FatFS - STM32F746NG fatfs library

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STM32F746NG fatfs library

Dependents: DISCO-F746NG_uSD Active-WolfMan_V2-5-All-Frank-Board-Functions_copy DISCO-F746NG_uSD DISCO-F746NG_uSD

ff.c@0:3a2f06aeceaf, 2018-02-03 (annotated)

Committer:: buyukesmeli
Date:: Sat Feb 03 14:38:06 2018 +0000
Revision:: 0:3a2f06aeceaf

Initial Commit

Who changed what in which revision?

User	Revision	Line number	New contents of line
buyukesmeli	0:3a2f06aeceaf	1	/*----------------------------------------------------------------------------/
buyukesmeli	0:3a2f06aeceaf	2	/ FatFs - FAT file system module R0.11 (C)ChaN, 2015
buyukesmeli	0:3a2f06aeceaf	3	/-----------------------------------------------------------------------------/
buyukesmeli	0:3a2f06aeceaf	4	/ FatFs module is a free software that opened under license policy of
buyukesmeli	0:3a2f06aeceaf	5	/ following conditions.
buyukesmeli	0:3a2f06aeceaf	6	/
buyukesmeli	0:3a2f06aeceaf	7	/ Copyright (C) 2015, ChaN, all right reserved.
buyukesmeli	0:3a2f06aeceaf	8	/
buyukesmeli	0:3a2f06aeceaf	9	/ 1. Redistributions of source code must retain the above copyright notice,
buyukesmeli	0:3a2f06aeceaf	10	/ this condition and the following disclaimer.
buyukesmeli	0:3a2f06aeceaf	11	/
buyukesmeli	0:3a2f06aeceaf	12	/ This software is provided by the copyright holder and contributors "AS IS"
buyukesmeli	0:3a2f06aeceaf	13	/ and any warranties related to this software are DISCLAIMED.
buyukesmeli	0:3a2f06aeceaf	14	/ The copyright owner or contributors be NOT LIABLE for any damages caused
buyukesmeli	0:3a2f06aeceaf	15	/ by use of this software.
buyukesmeli	0:3a2f06aeceaf	16	/-----------------------------------------------------------------------------/
buyukesmeli	0:3a2f06aeceaf	17	/ Feb 26,'06 R0.00 Prototype.
buyukesmeli	0:3a2f06aeceaf	18	/
buyukesmeli	0:3a2f06aeceaf	19	/ Apr 29,'06 R0.01 First stable version.
buyukesmeli	0:3a2f06aeceaf	20	/
buyukesmeli	0:3a2f06aeceaf	21	/ Jun 01,'06 R0.02 Added FAT12 support.
buyukesmeli	0:3a2f06aeceaf	22	/ Removed unbuffered mode.
buyukesmeli	0:3a2f06aeceaf	23	/ Fixed a problem on small (<32M) partition.
buyukesmeli	0:3a2f06aeceaf	24	/ Jun 10,'06 R0.02a Added a configuration option (_FS_MINIMUM).
buyukesmeli	0:3a2f06aeceaf	25	/
buyukesmeli	0:3a2f06aeceaf	26	/ Sep 22,'06 R0.03 Added f_rename().
buyukesmeli	0:3a2f06aeceaf	27	/ Changed option _FS_MINIMUM to _FS_MINIMIZE.
buyukesmeli	0:3a2f06aeceaf	28	/ Dec 11,'06 R0.03a Improved cluster scan algorithm to write files fast.
buyukesmeli	0:3a2f06aeceaf	29	/ Fixed f_mkdir() creates incorrect directory on FAT32.
buyukesmeli	0:3a2f06aeceaf	30	/
buyukesmeli	0:3a2f06aeceaf	31	/ Feb 04,'07 R0.04 Supported multiple drive system.
buyukesmeli	0:3a2f06aeceaf	32	/ Changed some interfaces for multiple drive system.
buyukesmeli	0:3a2f06aeceaf	33	/ Changed f_mountdrv() to f_mount().
buyukesmeli	0:3a2f06aeceaf	34	/ Added f_mkfs().
buyukesmeli	0:3a2f06aeceaf	35	/ Apr 01,'07 R0.04a Supported multiple partitions on a physical drive.
buyukesmeli	0:3a2f06aeceaf	36	/ Added a capability of extending file size to f_lseek().
buyukesmeli	0:3a2f06aeceaf	37	/ Added minimization level 3.
buyukesmeli	0:3a2f06aeceaf	38	/ Fixed an endian sensitive code in f_mkfs().
buyukesmeli	0:3a2f06aeceaf	39	/ May 05,'07 R0.04b Added a configuration option _USE_NTFLAG.
buyukesmeli	0:3a2f06aeceaf	40	/ Added FSINFO support.
buyukesmeli	0:3a2f06aeceaf	41	/ Fixed DBCS name can result FR_INVALID_NAME.
buyukesmeli	0:3a2f06aeceaf	42	/ Fixed short seek (<= csize) collapses the file object.
buyukesmeli	0:3a2f06aeceaf	43	/
buyukesmeli	0:3a2f06aeceaf	44	/ Aug 25,'07 R0.05 Changed arguments of f_read(), f_write() and f_mkfs().
buyukesmeli	0:3a2f06aeceaf	45	/ Fixed f_mkfs() on FAT32 creates incorrect FSINFO.
buyukesmeli	0:3a2f06aeceaf	46	/ Fixed f_mkdir() on FAT32 creates incorrect directory.
buyukesmeli	0:3a2f06aeceaf	47	/ Feb 03,'08 R0.05a Added f_truncate() and f_utime().
buyukesmeli	0:3a2f06aeceaf	48	/ Fixed off by one error at FAT sub-type determination.
buyukesmeli	0:3a2f06aeceaf	49	/ Fixed btr in f_read() can be mistruncated.
buyukesmeli	0:3a2f06aeceaf	50	/ Fixed cached sector is not flushed when create and close without write.
buyukesmeli	0:3a2f06aeceaf	51	/
buyukesmeli	0:3a2f06aeceaf	52	/ Apr 01,'08 R0.06 Added fputc(), fputs(), fprintf() and fgets().
buyukesmeli	0:3a2f06aeceaf	53	/ Improved performance of f_lseek() on moving to the same or following cluster.
buyukesmeli	0:3a2f06aeceaf	54	/
buyukesmeli	0:3a2f06aeceaf	55	/ Apr 01,'09 R0.07 Merged Tiny-FatFs as a configuration option. (_FS_TINY)
buyukesmeli	0:3a2f06aeceaf	56	/ Added long file name feature.
buyukesmeli	0:3a2f06aeceaf	57	/ Added multiple code page feature.
buyukesmeli	0:3a2f06aeceaf	58	/ Added re-entrancy for multitask operation.
buyukesmeli	0:3a2f06aeceaf	59	/ Added auto cluster size selection to f_mkfs().
buyukesmeli	0:3a2f06aeceaf	60	/ Added rewind option to f_readdir().
buyukesmeli	0:3a2f06aeceaf	61	/ Changed result code of critical errors.
buyukesmeli	0:3a2f06aeceaf	62	/ Renamed string functions to avoid name collision.
buyukesmeli	0:3a2f06aeceaf	63	/ Apr 14,'09 R0.07a Separated out OS dependent code on reentrant cfg.
buyukesmeli	0:3a2f06aeceaf	64	/ Added multiple sector size feature.
buyukesmeli	0:3a2f06aeceaf	65	/ Jun 21,'09 R0.07c Fixed f_unlink() can return FR_OK on error.
buyukesmeli	0:3a2f06aeceaf	66	/ Fixed wrong cache control in f_lseek().
buyukesmeli	0:3a2f06aeceaf	67	/ Added relative path feature.
buyukesmeli	0:3a2f06aeceaf	68	/ Added f_chdir() and f_chdrive().
buyukesmeli	0:3a2f06aeceaf	69	/ Added proper case conversion to extended character.
buyukesmeli	0:3a2f06aeceaf	70	/ Nov 03,'09 R0.07e Separated out configuration options from ff.h to ffconf.h.
buyukesmeli	0:3a2f06aeceaf	71	/ Fixed f_unlink() fails to remove a sub-directory on _FS_RPATH.
buyukesmeli	0:3a2f06aeceaf	72	/ Fixed name matching error on the 13 character boundary.
buyukesmeli	0:3a2f06aeceaf	73	/ Added a configuration option, _LFN_UNICODE.
buyukesmeli	0:3a2f06aeceaf	74	/ Changed f_readdir() to return the SFN with always upper case on non-LFN cfg.
buyukesmeli	0:3a2f06aeceaf	75	/
buyukesmeli	0:3a2f06aeceaf	76	/ May 15,'10 R0.08 Added a memory configuration option. (_USE_LFN = 3)
buyukesmeli	0:3a2f06aeceaf	77	/ Added file lock feature. (_FS_SHARE)
buyukesmeli	0:3a2f06aeceaf	78	/ Added fast seek feature. (_USE_FASTSEEK)
buyukesmeli	0:3a2f06aeceaf	79	/ Changed some types on the API, XCHAR->TCHAR.
buyukesmeli	0:3a2f06aeceaf	80	/ Changed .fname in the FILINFO structure on Unicode cfg.
buyukesmeli	0:3a2f06aeceaf	81	/ String functions support UTF-8 encoding files on Unicode cfg.
buyukesmeli	0:3a2f06aeceaf	82	/ Aug 16,'10 R0.08a Added f_getcwd().
buyukesmeli	0:3a2f06aeceaf	83	/ Added sector erase feature. (_USE_ERASE)
buyukesmeli	0:3a2f06aeceaf	84	/ Moved file lock semaphore table from fs object to the bss.
buyukesmeli	0:3a2f06aeceaf	85	/ Fixed a wrong directory entry is created on non-LFN cfg when the given name contains ';'.
buyukesmeli	0:3a2f06aeceaf	86	/ Fixed f_mkfs() creates wrong FAT32 volume.
buyukesmeli	0:3a2f06aeceaf	87	/ Jan 15,'11 R0.08b Fast seek feature is also applied to f_read() and f_write().
buyukesmeli	0:3a2f06aeceaf	88	/ f_lseek() reports required table size on creating CLMP.
buyukesmeli	0:3a2f06aeceaf	89	/ Extended format syntax of f_printf().
buyukesmeli	0:3a2f06aeceaf	90	/ Ignores duplicated directory separators in given path name.
buyukesmeli	0:3a2f06aeceaf	91	/
buyukesmeli	0:3a2f06aeceaf	92	/ Sep 06,'11 R0.09 f_mkfs() supports multiple partition to complete the multiple partition feature.
buyukesmeli	0:3a2f06aeceaf	93	/ Added f_fdisk().
buyukesmeli	0:3a2f06aeceaf	94	/ Aug 27,'12 R0.09a Changed f_open() and f_opendir() reject null object pointer to avoid crash.
buyukesmeli	0:3a2f06aeceaf	95	/ Changed option name _FS_SHARE to _FS_LOCK.
buyukesmeli	0:3a2f06aeceaf	96	/ Fixed assertion failure due to OS/2 EA on FAT12/16 volume.
buyukesmeli	0:3a2f06aeceaf	97	/ Jan 24,'13 R0.09b Added f_setlabel() and f_getlabel().
buyukesmeli	0:3a2f06aeceaf	98	/
buyukesmeli	0:3a2f06aeceaf	99	/ Oct 02,'13 R0.10 Added selection of character encoding on the file. (_STRF_ENCODE)
buyukesmeli	0:3a2f06aeceaf	100	/ Added f_closedir().
buyukesmeli	0:3a2f06aeceaf	101	/ Added forced full FAT scan for f_getfree(). (_FS_NOFSINFO)
buyukesmeli	0:3a2f06aeceaf	102	/ Added forced mount feature with changes of f_mount().
buyukesmeli	0:3a2f06aeceaf	103	/ Improved behavior of volume auto detection.
buyukesmeli	0:3a2f06aeceaf	104	/ Improved write throughput of f_puts() and f_printf().
buyukesmeli	0:3a2f06aeceaf	105	/ Changed argument of f_chdrive(), f_mkfs(), disk_read() and disk_write().
buyukesmeli	0:3a2f06aeceaf	106	/ Fixed f_write() can be truncated when the file size is close to 4GB.
buyukesmeli	0:3a2f06aeceaf	107	/ Fixed f_open(), f_mkdir() and f_setlabel() can return incorrect error code.
buyukesmeli	0:3a2f06aeceaf	108	/ Jan 15,'14 R0.10a Added arbitrary strings as drive number in the path name. (_STR_VOLUME_ID)
buyukesmeli	0:3a2f06aeceaf	109	/ Added a configuration option of minimum sector size. (_MIN_SS)
buyukesmeli	0:3a2f06aeceaf	110	/ 2nd argument of f_rename() can have a drive number and it will be ignored.
buyukesmeli	0:3a2f06aeceaf	111	/ Fixed f_mount() with forced mount fails when drive number is >= 1.
buyukesmeli	0:3a2f06aeceaf	112	/ Fixed f_close() invalidates the file object without volume lock.
buyukesmeli	0:3a2f06aeceaf	113	/ Fixed f_closedir() returns but the volume lock is left acquired.
buyukesmeli	0:3a2f06aeceaf	114	/ Fixed creation of an entry with LFN fails on too many SFN collisions.
buyukesmeli	0:3a2f06aeceaf	115	/ May 19,'14 R0.10b Fixed a hard error in the disk I/O layer can collapse the directory entry.
buyukesmeli	0:3a2f06aeceaf	116	/ Fixed LFN entry is not deleted on delete/rename an object with lossy converted SFN.
buyukesmeli	0:3a2f06aeceaf	117	/ Nov 9,'14 R0.10c Added a configuration option for the platforms without RTC. (_FS_NORTC)
buyukesmeli	0:3a2f06aeceaf	118	/ Fixed volume label created by Mac OS X cannot be retrieved with f_getlabel(). (appeared at R0.09b)
buyukesmeli	0:3a2f06aeceaf	119	/ Fixed a potential problem of FAT access that can appear on disk error.
buyukesmeli	0:3a2f06aeceaf	120	/ Fixed null pointer dereference on attempting to delete the root direcotry. (appeared at R0.08)
buyukesmeli	0:3a2f06aeceaf	121	/ Feb 02,'15 R0.11 Added f_findfirst() and f_findnext(). (_USE_FIND)
buyukesmeli	0:3a2f06aeceaf	122	/ Fixed f_unlink() does not remove cluster chain of the file. (appeared at R0.10c)
buyukesmeli	0:3a2f06aeceaf	123	/ Fixed _FS_NORTC option does not work properly. (appeared at R0.10c)
buyukesmeli	0:3a2f06aeceaf	124	/---------------------------------------------------------------------------*/
buyukesmeli	0:3a2f06aeceaf	125
buyukesmeli	0:3a2f06aeceaf	126	#include "ff.h" /* Declarations of FatFs API */
buyukesmeli	0:3a2f06aeceaf	127	#include "diskio.h" /* Declarations of disk I/O functions */
buyukesmeli	0:3a2f06aeceaf	128
buyukesmeli	0:3a2f06aeceaf	129
buyukesmeli	0:3a2f06aeceaf	130	/*--------------------------------------------------------------------------
buyukesmeli	0:3a2f06aeceaf	131
buyukesmeli	0:3a2f06aeceaf	132	Module Private Definitions
buyukesmeli	0:3a2f06aeceaf	133
buyukesmeli	0:3a2f06aeceaf	134	---------------------------------------------------------------------------*/
buyukesmeli	0:3a2f06aeceaf	135
buyukesmeli	0:3a2f06aeceaf	136	#if _FATFS != 32020 /* Revision ID */
buyukesmeli	0:3a2f06aeceaf	137	#error Wrong include file (ff.h).
buyukesmeli	0:3a2f06aeceaf	138	#endif
buyukesmeli	0:3a2f06aeceaf	139
buyukesmeli	0:3a2f06aeceaf	140
buyukesmeli	0:3a2f06aeceaf	141	/* Reentrancy related */
buyukesmeli	0:3a2f06aeceaf	142	#if _FS_REENTRANT
buyukesmeli	0:3a2f06aeceaf	143	#if _USE_LFN == 1
buyukesmeli	0:3a2f06aeceaf	144	#error Static LFN work area cannot be used at thread-safe configuration
buyukesmeli	0:3a2f06aeceaf	145	#endif
buyukesmeli	0:3a2f06aeceaf	146	#define ENTER_FF(fs) { if (!lock_fs(fs)) return FR_TIMEOUT; }
buyukesmeli	0:3a2f06aeceaf	147	#define LEAVE_FF(fs, res) { unlock_fs(fs, res); return res; }
buyukesmeli	0:3a2f06aeceaf	148	#else
buyukesmeli	0:3a2f06aeceaf	149	#define ENTER_FF(fs)
buyukesmeli	0:3a2f06aeceaf	150	#define LEAVE_FF(fs, res) return res
buyukesmeli	0:3a2f06aeceaf	151	#endif
buyukesmeli	0:3a2f06aeceaf	152
buyukesmeli	0:3a2f06aeceaf	153	#define ABORT(fs, res) { fp->err = (BYTE)(res); LEAVE_FF(fs, res); }
buyukesmeli	0:3a2f06aeceaf	154
buyukesmeli	0:3a2f06aeceaf	155
buyukesmeli	0:3a2f06aeceaf	156	/* Definitions of sector size */
buyukesmeli	0:3a2f06aeceaf	157	#if (_MAX_SS < _MIN_SS) \|\| (_MAX_SS != 512 && _MAX_SS != 1024 && _MAX_SS != 2048 && _MAX_SS != 4096) \|\| (_MIN_SS != 512 && _MIN_SS != 1024 && _MIN_SS != 2048 && _MIN_SS != 4096)
buyukesmeli	0:3a2f06aeceaf	158	#error Wrong sector size configuration
buyukesmeli	0:3a2f06aeceaf	159	#endif
buyukesmeli	0:3a2f06aeceaf	160	#if _MAX_SS == _MIN_SS
buyukesmeli	0:3a2f06aeceaf	161	#define SS(fs) ((UINT)_MAX_SS) /* Fixed sector size */
buyukesmeli	0:3a2f06aeceaf	162	#else
buyukesmeli	0:3a2f06aeceaf	163	#define SS(fs) ((fs)->ssize) /* Variable sector size */
buyukesmeli	0:3a2f06aeceaf	164	#endif
buyukesmeli	0:3a2f06aeceaf	165
buyukesmeli	0:3a2f06aeceaf	166
buyukesmeli	0:3a2f06aeceaf	167	/* Timestamp feature */
buyukesmeli	0:3a2f06aeceaf	168	#if _FS_NORTC == 1
buyukesmeli	0:3a2f06aeceaf	169	#if _NORTC_YEAR < 1980 \|\| _NORTC_YEAR > 2107 \|\| _NORTC_MON < 1 \|\| _NORTC_MON > 12 \|\| _NORTC_MDAY < 1 \|\| _NORTC_MDAY > 31
buyukesmeli	0:3a2f06aeceaf	170	#error Invalid _FS_NORTC settings
buyukesmeli	0:3a2f06aeceaf	171	#endif
buyukesmeli	0:3a2f06aeceaf	172	#define GET_FATTIME() ((DWORD)(_NORTC_YEAR - 1980) << 25 \| (DWORD)_NORTC_MON << 21 \| (DWORD)_NORTC_MDAY << 16)
buyukesmeli	0:3a2f06aeceaf	173	#else
buyukesmeli	0:3a2f06aeceaf	174	#define GET_FATTIME() get_fattime()
buyukesmeli	0:3a2f06aeceaf	175	#endif
buyukesmeli	0:3a2f06aeceaf	176
buyukesmeli	0:3a2f06aeceaf	177
buyukesmeli	0:3a2f06aeceaf	178	/* File access control feature */
buyukesmeli	0:3a2f06aeceaf	179	#if _FS_LOCK
buyukesmeli	0:3a2f06aeceaf	180	#if _FS_READONLY
buyukesmeli	0:3a2f06aeceaf	181	#error _FS_LOCK must be 0 at read-only configuration
buyukesmeli	0:3a2f06aeceaf	182	#endif
buyukesmeli	0:3a2f06aeceaf	183	typedef struct {
buyukesmeli	0:3a2f06aeceaf	184	FATFS fs; / Object ID 1, volume (NULL:blank entry) */
buyukesmeli	0:3a2f06aeceaf	185	DWORD clu; /* Object ID 2, directory (0:root) */
buyukesmeli	0:3a2f06aeceaf	186	WORD idx; /* Object ID 3, directory index */
buyukesmeli	0:3a2f06aeceaf	187	WORD ctr; /* Object open counter, 0:none, 0x01..0xFF:read mode open count, 0x100:write mode */
buyukesmeli	0:3a2f06aeceaf	188	} FILESEM;
buyukesmeli	0:3a2f06aeceaf	189	#endif
buyukesmeli	0:3a2f06aeceaf	190
buyukesmeli	0:3a2f06aeceaf	191
buyukesmeli	0:3a2f06aeceaf	192
buyukesmeli	0:3a2f06aeceaf	193	/* DBCS code ranges and SBCS extend character conversion table */
buyukesmeli	0:3a2f06aeceaf	194
buyukesmeli	0:3a2f06aeceaf	195	#if _CODE_PAGE == 932 /* Japanese Shift-JIS */
buyukesmeli	0:3a2f06aeceaf	196	#define _DF1S 0x81 /* DBC 1st byte range 1 start */
buyukesmeli	0:3a2f06aeceaf	197	#define _DF1E 0x9F /* DBC 1st byte range 1 end */
buyukesmeli	0:3a2f06aeceaf	198	#define _DF2S 0xE0 /* DBC 1st byte range 2 start */
buyukesmeli	0:3a2f06aeceaf	199	#define _DF2E 0xFC /* DBC 1st byte range 2 end */
buyukesmeli	0:3a2f06aeceaf	200	#define _DS1S 0x40 /* DBC 2nd byte range 1 start */
buyukesmeli	0:3a2f06aeceaf	201	#define _DS1E 0x7E /* DBC 2nd byte range 1 end */
buyukesmeli	0:3a2f06aeceaf	202	#define _DS2S 0x80 /* DBC 2nd byte range 2 start */
buyukesmeli	0:3a2f06aeceaf	203	#define _DS2E 0xFC /* DBC 2nd byte range 2 end */
buyukesmeli	0:3a2f06aeceaf	204
buyukesmeli	0:3a2f06aeceaf	205	#elif _CODE_PAGE == 936 /* Simplified Chinese GBK */
buyukesmeli	0:3a2f06aeceaf	206	#define _DF1S 0x81
buyukesmeli	0:3a2f06aeceaf	207	#define _DF1E 0xFE
buyukesmeli	0:3a2f06aeceaf	208	#define _DS1S 0x40
buyukesmeli	0:3a2f06aeceaf	209	#define _DS1E 0x7E
buyukesmeli	0:3a2f06aeceaf	210	#define _DS2S 0x80
buyukesmeli	0:3a2f06aeceaf	211	#define _DS2E 0xFE
buyukesmeli	0:3a2f06aeceaf	212
buyukesmeli	0:3a2f06aeceaf	213	#elif _CODE_PAGE == 949 /* Korean */
buyukesmeli	0:3a2f06aeceaf	214	#define _DF1S 0x81
buyukesmeli	0:3a2f06aeceaf	215	#define _DF1E 0xFE
buyukesmeli	0:3a2f06aeceaf	216	#define _DS1S 0x41
buyukesmeli	0:3a2f06aeceaf	217	#define _DS1E 0x5A
buyukesmeli	0:3a2f06aeceaf	218	#define _DS2S 0x61
buyukesmeli	0:3a2f06aeceaf	219	#define _DS2E 0x7A
buyukesmeli	0:3a2f06aeceaf	220	#define _DS3S 0x81
buyukesmeli	0:3a2f06aeceaf	221	#define _DS3E 0xFE
buyukesmeli	0:3a2f06aeceaf	222
buyukesmeli	0:3a2f06aeceaf	223	#elif _CODE_PAGE == 950 /* Traditional Chinese Big5 */
buyukesmeli	0:3a2f06aeceaf	224	#define _DF1S 0x81
buyukesmeli	0:3a2f06aeceaf	225	#define _DF1E 0xFE
buyukesmeli	0:3a2f06aeceaf	226	#define _DS1S 0x40
buyukesmeli	0:3a2f06aeceaf	227	#define _DS1E 0x7E
buyukesmeli	0:3a2f06aeceaf	228	#define _DS2S 0xA1
buyukesmeli	0:3a2f06aeceaf	229	#define _DS2E 0xFE
buyukesmeli	0:3a2f06aeceaf	230
buyukesmeli	0:3a2f06aeceaf	231	#elif _CODE_PAGE == 437 /* U.S. (OEM) */
buyukesmeli	0:3a2f06aeceaf	232	#define _DF1S 0
buyukesmeli	0:3a2f06aeceaf	233	#define _EXCVT {0x80,0x9A,0x90,0x41,0x8E,0x41,0x8F,0x80,0x45,0x45,0x45,0x49,0x49,0x49,0x8E,0x8F,0x90,0x92,0x92,0x4F,0x99,0x4F,0x55,0x55,0x59,0x99,0x9A,0x9B,0x9C,0x9D,0x9E,0x9F, \
buyukesmeli	0:3a2f06aeceaf	234	0x41,0x49,0x4F,0x55,0xA5,0xA5,0xA6,0xA7,0xA8,0xA9,0xAA,0xAB,0xAC,0x21,0xAE,0xAF,0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBE,0xBF, \
buyukesmeli	0:3a2f06aeceaf	235	0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \
buyukesmeli	0:3a2f06aeceaf	236	0xE0,0xE1,0xE2,0xE3,0xE4,0xE5,0xE6,0xE7,0xE8,0xE9,0xEA,0xEB,0xEC,0xED,0xEE,0xEF,0xF0,0xF1,0xF2,0xF3,0xF4,0xF5,0xF6,0xF7,0xF8,0xF9,0xFA,0xFB,0xFC,0xFD,0xFE,0xFF}
buyukesmeli	0:3a2f06aeceaf	237
buyukesmeli	0:3a2f06aeceaf	238	#elif _CODE_PAGE == 720 /* Arabic (OEM) */
buyukesmeli	0:3a2f06aeceaf	239	#define _DF1S 0
buyukesmeli	0:3a2f06aeceaf	240	#define _EXCVT {0x80,0x81,0x45,0x41,0x84,0x41,0x86,0x43,0x45,0x45,0x45,0x49,0x49,0x8D,0x8E,0x8F,0x90,0x92,0x92,0x93,0x94,0x95,0x49,0x49,0x98,0x99,0x9A,0x9B,0x9C,0x9D,0x9E,0x9F, \
buyukesmeli	0:3a2f06aeceaf	241	0xA0,0xA1,0xA2,0xA3,0xA4,0xA5,0xA6,0xA7,0xA8,0xA9,0xAA,0xAB,0xAC,0xAD,0xAE,0xAF,0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBE,0xBF, \
buyukesmeli	0:3a2f06aeceaf	242	0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \
buyukesmeli	0:3a2f06aeceaf	243	0xE0,0xE1,0xE2,0xE3,0xE4,0xE5,0xE6,0xE7,0xE8,0xE9,0xEA,0xEB,0xEC,0xED,0xEE,0xEF,0xF0,0xF1,0xF2,0xF3,0xF4,0xF5,0xF6,0xF7,0xF8,0xF9,0xFA,0xFB,0xFC,0xFD,0xFE,0xFF}
buyukesmeli	0:3a2f06aeceaf	244
buyukesmeli	0:3a2f06aeceaf	245	#elif _CODE_PAGE == 737 /* Greek (OEM) */
buyukesmeli	0:3a2f06aeceaf	246	#define _DF1S 0
buyukesmeli	0:3a2f06aeceaf	247	#define _EXCVT {0x80,0x81,0x82,0x83,0x84,0x85,0x86,0x87,0x88,0x89,0x8A,0x8B,0x8C,0x8D,0x8E,0x8F,0x90,0x92,0x92,0x93,0x94,0x95,0x96,0x97,0x80,0x81,0x82,0x83,0x84,0x85,0x86,0x87, \
buyukesmeli	0:3a2f06aeceaf	248	0x88,0x89,0x8A,0x8B,0x8C,0x8D,0x8E,0x8F,0x90,0x91,0xAA,0x92,0x93,0x94,0x95,0x96,0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBE,0xBF, \
buyukesmeli	0:3a2f06aeceaf	249	0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \
buyukesmeli	0:3a2f06aeceaf	250	0x97,0xEA,0xEB,0xEC,0xE4,0xED,0xEE,0xE7,0xE8,0xF1,0xEA,0xEB,0xEC,0xED,0xEE,0xEF,0xF0,0xF1,0xF2,0xF3,0xF4,0xF5,0xF6,0xF7,0xF8,0xF9,0xFA,0xFB,0xFC,0xFD,0xFE,0xFF}
buyukesmeli	0:3a2f06aeceaf	251
buyukesmeli	0:3a2f06aeceaf	252	#elif _CODE_PAGE == 775 /* Baltic (OEM) */
buyukesmeli	0:3a2f06aeceaf	253	#define _DF1S 0
buyukesmeli	0:3a2f06aeceaf	254	#define _EXCVT {0x80,0x9A,0x91,0xA0,0x8E,0x95,0x8F,0x80,0xAD,0xED,0x8A,0x8A,0xA1,0x8D,0x8E,0x8F,0x90,0x92,0x92,0xE2,0x99,0x95,0x96,0x97,0x97,0x99,0x9A,0x9D,0x9C,0x9D,0x9E,0x9F, \
buyukesmeli	0:3a2f06aeceaf	255	0xA0,0xA1,0xE0,0xA3,0xA3,0xA5,0xA6,0xA7,0xA8,0xA9,0xAA,0xAB,0xAC,0xAD,0xAE,0xAF,0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBE,0xBF, \
buyukesmeli	0:3a2f06aeceaf	256	0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xB5,0xB6,0xB7,0xB8,0xBD,0xBE,0xC6,0xC7,0xA5,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \
buyukesmeli	0:3a2f06aeceaf	257	0xE0,0xE1,0xE2,0xE3,0xE5,0xE5,0xE6,0xE3,0xE8,0xE8,0xEA,0xEA,0xEE,0xED,0xEE,0xEF,0xF0,0xF1,0xF2,0xF3,0xF4,0xF5,0xF6,0xF7,0xF8,0xF9,0xFA,0xFB,0xFC,0xFD,0xFE,0xFF}
buyukesmeli	0:3a2f06aeceaf	258
buyukesmeli	0:3a2f06aeceaf	259	#elif _CODE_PAGE == 850 /* Multilingual Latin 1 (OEM) */
buyukesmeli	0:3a2f06aeceaf	260	#define _DF1S 0
buyukesmeli	0:3a2f06aeceaf	261	#define _EXCVT {0x80,0x9A,0x90,0xB6,0x8E,0xB7,0x8F,0x80,0xD2,0xD3,0xD4,0xD8,0xD7,0xDE,0x8E,0x8F,0x90,0x92,0x92,0xE2,0x99,0xE3,0xEA,0xEB,0x59,0x99,0x9A,0x9D,0x9C,0x9D,0x9E,0x9F, \
buyukesmeli	0:3a2f06aeceaf	262	0xB5,0xD6,0xE0,0xE9,0xA5,0xA5,0xA6,0xA7,0xA8,0xA9,0xAA,0xAB,0xAC,0x21,0xAE,0xAF,0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBE,0xBF, \
buyukesmeli	0:3a2f06aeceaf	263	0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC7,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \
buyukesmeli	0:3a2f06aeceaf	264	0xE0,0xE1,0xE2,0xE3,0xE5,0xE5,0xE6,0xE7,0xE7,0xE9,0xEA,0xEB,0xED,0xED,0xEE,0xEF,0xF0,0xF1,0xF2,0xF3,0xF4,0xF5,0xF6,0xF7,0xF8,0xF9,0xFA,0xFB,0xFC,0xFD,0xFE,0xFF}
buyukesmeli	0:3a2f06aeceaf	265
buyukesmeli	0:3a2f06aeceaf	266	#elif _CODE_PAGE == 852 /* Latin 2 (OEM) */
buyukesmeli	0:3a2f06aeceaf	267	#define _DF1S 0
buyukesmeli	0:3a2f06aeceaf	268	#define _EXCVT {0x80,0x9A,0x90,0xB6,0x8E,0xDE,0x8F,0x80,0x9D,0xD3,0x8A,0x8A,0xD7,0x8D,0x8E,0x8F,0x90,0x91,0x91,0xE2,0x99,0x95,0x95,0x97,0x97,0x99,0x9A,0x9B,0x9B,0x9D,0x9E,0x9F, \
buyukesmeli	0:3a2f06aeceaf	269	0xB5,0xD6,0xE0,0xE9,0xA4,0xA4,0xA6,0xA6,0xA8,0xA8,0xAA,0x8D,0xAC,0xB8,0xAE,0xAF,0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBD,0xBF, \
buyukesmeli	0:3a2f06aeceaf	270	0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC6,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD1,0xD1,0xD2,0xD3,0xD2,0xD5,0xD6,0xD7,0xB7,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \
buyukesmeli	0:3a2f06aeceaf	271	0xE0,0xE1,0xE2,0xE3,0xE3,0xD5,0xE6,0xE6,0xE8,0xE9,0xE8,0xEB,0xED,0xED,0xDD,0xEF,0xF0,0xF1,0xF2,0xF3,0xF4,0xF5,0xF6,0xF7,0xF8,0xF9,0xFA,0xEB,0xFC,0xFC,0xFE,0xFF}
buyukesmeli	0:3a2f06aeceaf	272
buyukesmeli	0:3a2f06aeceaf	273	#elif _CODE_PAGE == 855 /* Cyrillic (OEM) */
buyukesmeli	0:3a2f06aeceaf	274	#define _DF1S 0
buyukesmeli	0:3a2f06aeceaf	275	#define _EXCVT {0x81,0x81,0x83,0x83,0x85,0x85,0x87,0x87,0x89,0x89,0x8B,0x8B,0x8D,0x8D,0x8F,0x8F,0x91,0x91,0x93,0x93,0x95,0x95,0x97,0x97,0x99,0x99,0x9B,0x9B,0x9D,0x9D,0x9F,0x9F, \
buyukesmeli	0:3a2f06aeceaf	276	0xA1,0xA1,0xA3,0xA3,0xA5,0xA5,0xA7,0xA7,0xA9,0xA9,0xAB,0xAB,0xAD,0xAD,0xAE,0xAF,0xB0,0xB1,0xB2,0xB3,0xB4,0xB6,0xB6,0xB8,0xB8,0xB9,0xBA,0xBB,0xBC,0xBE,0xBE,0xBF, \
buyukesmeli	0:3a2f06aeceaf	277	0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC7,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD1,0xD1,0xD3,0xD3,0xD5,0xD5,0xD7,0xD7,0xDD,0xD9,0xDA,0xDB,0xDC,0xDD,0xE0,0xDF, \
buyukesmeli	0:3a2f06aeceaf	278	0xE0,0xE2,0xE2,0xE4,0xE4,0xE6,0xE6,0xE8,0xE8,0xEA,0xEA,0xEC,0xEC,0xEE,0xEE,0xEF,0xF0,0xF2,0xF2,0xF4,0xF4,0xF6,0xF6,0xF8,0xF8,0xFA,0xFA,0xFC,0xFC,0xFD,0xFE,0xFF}
buyukesmeli	0:3a2f06aeceaf	279
buyukesmeli	0:3a2f06aeceaf	280	#elif _CODE_PAGE == 857 /* Turkish (OEM) */
buyukesmeli	0:3a2f06aeceaf	281	#define _DF1S 0
buyukesmeli	0:3a2f06aeceaf	282	#define _EXCVT {0x80,0x9A,0x90,0xB6,0x8E,0xB7,0x8F,0x80,0xD2,0xD3,0xD4,0xD8,0xD7,0x98,0x8E,0x8F,0x90,0x92,0x92,0xE2,0x99,0xE3,0xEA,0xEB,0x98,0x99,0x9A,0x9D,0x9C,0x9D,0x9E,0x9E, \
buyukesmeli	0:3a2f06aeceaf	283	0xB5,0xD6,0xE0,0xE9,0xA5,0xA5,0xA6,0xA6,0xA8,0xA9,0xAA,0xAB,0xAC,0x21,0xAE,0xAF,0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBE,0xBF, \
buyukesmeli	0:3a2f06aeceaf	284	0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC7,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \
buyukesmeli	0:3a2f06aeceaf	285	0xE0,0xE1,0xE2,0xE3,0xE5,0xE5,0xE6,0xE7,0xE8,0xE9,0xEA,0xEB,0xDE,0x59,0xEE,0xEF,0xF0,0xF1,0xF2,0xF3,0xF4,0xF5,0xF6,0xF7,0xF8,0xF9,0xFA,0xFB,0xFC,0xFD,0xFE,0xFF}
buyukesmeli	0:3a2f06aeceaf	286
buyukesmeli	0:3a2f06aeceaf	287	#elif _CODE_PAGE == 858 /* Multilingual Latin 1 + Euro (OEM) */
buyukesmeli	0:3a2f06aeceaf	288	#define _DF1S 0
buyukesmeli	0:3a2f06aeceaf	289	#define _EXCVT {0x80,0x9A,0x90,0xB6,0x8E,0xB7,0x8F,0x80,0xD2,0xD3,0xD4,0xD8,0xD7,0xDE,0x8E,0x8F,0x90,0x92,0x92,0xE2,0x99,0xE3,0xEA,0xEB,0x59,0x99,0x9A,0x9D,0x9C,0x9D,0x9E,0x9F, \
buyukesmeli	0:3a2f06aeceaf	290	0xB5,0xD6,0xE0,0xE9,0xA5,0xA5,0xA6,0xA7,0xA8,0xA9,0xAA,0xAB,0xAC,0x21,0xAE,0xAF,0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBE,0xBF, \
buyukesmeli	0:3a2f06aeceaf	291	0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC7,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD1,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \
buyukesmeli	0:3a2f06aeceaf	292	0xE0,0xE1,0xE2,0xE3,0xE5,0xE5,0xE6,0xE7,0xE7,0xE9,0xEA,0xEB,0xED,0xED,0xEE,0xEF,0xF0,0xF1,0xF2,0xF3,0xF4,0xF5,0xF6,0xF7,0xF8,0xF9,0xFA,0xFB,0xFC,0xFD,0xFE,0xFF}
buyukesmeli	0:3a2f06aeceaf	293
buyukesmeli	0:3a2f06aeceaf	294	#elif _CODE_PAGE == 862 /* Hebrew (OEM) */
buyukesmeli	0:3a2f06aeceaf	295	#define _DF1S 0
buyukesmeli	0:3a2f06aeceaf	296	#define _EXCVT {0x80,0x81,0x82,0x83,0x84,0x85,0x86,0x87,0x88,0x89,0x8A,0x8B,0x8C,0x8D,0x8E,0x8F,0x90,0x91,0x92,0x93,0x94,0x95,0x96,0x97,0x98,0x99,0x9A,0x9B,0x9C,0x9D,0x9E,0x9F, \
buyukesmeli	0:3a2f06aeceaf	297	0x41,0x49,0x4F,0x55,0xA5,0xA5,0xA6,0xA7,0xA8,0xA9,0xAA,0xAB,0xAC,0x21,0xAE,0xAF,0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBE,0xBF, \
buyukesmeli	0:3a2f06aeceaf	298	0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \
buyukesmeli	0:3a2f06aeceaf	299	0xE0,0xE1,0xE2,0xE3,0xE4,0xE5,0xE6,0xE7,0xE8,0xE9,0xEA,0xEB,0xEC,0xED,0xEE,0xEF,0xF0,0xF1,0xF2,0xF3,0xF4,0xF5,0xF6,0xF7,0xF8,0xF9,0xFA,0xFB,0xFC,0xFD,0xFE,0xFF}
buyukesmeli	0:3a2f06aeceaf	300
buyukesmeli	0:3a2f06aeceaf	301	#elif _CODE_PAGE == 866 /* Russian (OEM) */
buyukesmeli	0:3a2f06aeceaf	302	#define _DF1S 0
buyukesmeli	0:3a2f06aeceaf	303	#define _EXCVT {0x80,0x81,0x82,0x83,0x84,0x85,0x86,0x87,0x88,0x89,0x8A,0x8B,0x8C,0x8D,0x8E,0x8F,0x90,0x91,0x92,0x93,0x94,0x95,0x96,0x97,0x98,0x99,0x9A,0x9B,0x9C,0x9D,0x9E,0x9F, \
buyukesmeli	0:3a2f06aeceaf	304	0x80,0x81,0x82,0x83,0x84,0x85,0x86,0x87,0x88,0x89,0x8A,0x8B,0x8C,0x8D,0x8E,0x8F,0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBE,0xBF, \
buyukesmeli	0:3a2f06aeceaf	305	0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \
buyukesmeli	0:3a2f06aeceaf	306	0x90,0x91,0x92,0x93,0x9d,0x95,0x96,0x97,0x98,0x99,0x9A,0x9B,0x9C,0x9D,0x9E,0x9F,0xF0,0xF0,0xF2,0xF2,0xF4,0xF4,0xF6,0xF6,0xF8,0xF9,0xFA,0xFB,0xFC,0xFD,0xFE,0xFF}
buyukesmeli	0:3a2f06aeceaf	307
buyukesmeli	0:3a2f06aeceaf	308	#elif _CODE_PAGE == 874 /* Thai (OEM, Windows) */
buyukesmeli	0:3a2f06aeceaf	309	#define _DF1S 0
buyukesmeli	0:3a2f06aeceaf	310	#define _EXCVT {0x80,0x81,0x82,0x83,0x84,0x85,0x86,0x87,0x88,0x89,0x8A,0x8B,0x8C,0x8D,0x8E,0x8F,0x90,0x91,0x92,0x93,0x94,0x95,0x96,0x97,0x98,0x99,0x9A,0x9B,0x9C,0x9D,0x9E,0x9F, \
buyukesmeli	0:3a2f06aeceaf	311	0xA0,0xA1,0xA2,0xA3,0xA4,0xA5,0xA6,0xA7,0xA8,0xA9,0xAA,0xAB,0xAC,0xAD,0xAE,0xAF,0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBE,0xBF, \
buyukesmeli	0:3a2f06aeceaf	312	0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \
buyukesmeli	0:3a2f06aeceaf	313	0xE0,0xE1,0xE2,0xE3,0xE4,0xE5,0xE6,0xE7,0xE8,0xE9,0xEA,0xEB,0xEC,0xED,0xEE,0xEF,0xF0,0xF1,0xF2,0xF3,0xF4,0xF5,0xF6,0xF7,0xF8,0xF9,0xFA,0xFB,0xFC,0xFD,0xFE,0xFF}
buyukesmeli	0:3a2f06aeceaf	314
buyukesmeli	0:3a2f06aeceaf	315	#elif _CODE_PAGE == 1250 /* Central Europe (Windows) */
buyukesmeli	0:3a2f06aeceaf	316	#define _DF1S 0
buyukesmeli	0:3a2f06aeceaf	317	#define _EXCVT {0x80,0x81,0x82,0x83,0x84,0x85,0x86,0x87,0x88,0x89,0x8A,0x8B,0x8C,0x8D,0x8E,0x8F,0x90,0x91,0x92,0x93,0x94,0x95,0x96,0x97,0x98,0x99,0x8A,0x9B,0x8C,0x8D,0x8E,0x8F, \
buyukesmeli	0:3a2f06aeceaf	318	0xA0,0xA1,0xA2,0xA3,0xA4,0xA5,0xA6,0xA7,0xA8,0xA9,0xAA,0xAB,0xAC,0xAD,0xAE,0xAF,0xB0,0xB1,0xB2,0xA3,0xB4,0xB5,0xB6,0xB7,0xB8,0xA5,0xAA,0xBB,0xBC,0xBD,0xBC,0xAF, \
buyukesmeli	0:3a2f06aeceaf	319	0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \
buyukesmeli	0:3a2f06aeceaf	320	0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xF7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xFF}
buyukesmeli	0:3a2f06aeceaf	321
buyukesmeli	0:3a2f06aeceaf	322	#elif _CODE_PAGE == 1251 /* Cyrillic (Windows) */
buyukesmeli	0:3a2f06aeceaf	323	#define _DF1S 0
buyukesmeli	0:3a2f06aeceaf	324	#define _EXCVT {0x80,0x81,0x82,0x82,0x84,0x85,0x86,0x87,0x88,0x89,0x8A,0x8B,0x8C,0x8D,0x8E,0x8F,0x80,0x91,0x92,0x93,0x94,0x95,0x96,0x97,0x98,0x99,0x8A,0x9B,0x8C,0x8D,0x8E,0x8F, \
buyukesmeli	0:3a2f06aeceaf	325	0xA0,0xA2,0xA2,0xA3,0xA4,0xA5,0xA6,0xA7,0xA8,0xA9,0xAA,0xAB,0xAC,0xAD,0xAE,0xAF,0xB0,0xB1,0xB2,0xB2,0xA5,0xB5,0xB6,0xB7,0xA8,0xB9,0xAA,0xBB,0xA3,0xBD,0xBD,0xAF, \
buyukesmeli	0:3a2f06aeceaf	326	0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \
buyukesmeli	0:3a2f06aeceaf	327	0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF}
buyukesmeli	0:3a2f06aeceaf	328
buyukesmeli	0:3a2f06aeceaf	329	#elif _CODE_PAGE == 1252 /* Latin 1 (Windows) */
buyukesmeli	0:3a2f06aeceaf	330	#define _DF1S 0
buyukesmeli	0:3a2f06aeceaf	331	#define _EXCVT {0x80,0x81,0x82,0x83,0x84,0x85,0x86,0x87,0x88,0x89,0x8A,0x8B,0x8C,0x8D,0x8E,0x8F,0x90,0x91,0x92,0x93,0x94,0x95,0x96,0x97,0x98,0x99,0xAd,0x9B,0x8C,0x9D,0xAE,0x9F, \
buyukesmeli	0:3a2f06aeceaf	332	0xA0,0x21,0xA2,0xA3,0xA4,0xA5,0xA6,0xA7,0xA8,0xA9,0xAA,0xAB,0xAC,0xAD,0xAE,0xAF,0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBE,0xBF, \
buyukesmeli	0:3a2f06aeceaf	333	0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \
buyukesmeli	0:3a2f06aeceaf	334	0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xF7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0x9F}
buyukesmeli	0:3a2f06aeceaf	335
buyukesmeli	0:3a2f06aeceaf	336	#elif _CODE_PAGE == 1253 /* Greek (Windows) */
buyukesmeli	0:3a2f06aeceaf	337	#define _DF1S 0
buyukesmeli	0:3a2f06aeceaf	338	#define _EXCVT {0x80,0x81,0x82,0x83,0x84,0x85,0x86,0x87,0x88,0x89,0x8A,0x8B,0x8C,0x8D,0x8E,0x8F,0x90,0x91,0x92,0x93,0x94,0x95,0x96,0x97,0x98,0x99,0x9A,0x9B,0x9C,0x9D,0x9E,0x9F, \
buyukesmeli	0:3a2f06aeceaf	339	0xA0,0xA1,0xA2,0xA3,0xA4,0xA5,0xA6,0xA7,0xA8,0xA9,0xAA,0xAB,0xAC,0xAD,0xAE,0xAF,0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBE,0xBF, \
buyukesmeli	0:3a2f06aeceaf	340	0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xA2,0xB8,0xB9,0xBA, \
buyukesmeli	0:3a2f06aeceaf	341	0xE0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD0,0xD1,0xF2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xFB,0xBC,0xFD,0xBF,0xFF}
buyukesmeli	0:3a2f06aeceaf	342
buyukesmeli	0:3a2f06aeceaf	343	#elif _CODE_PAGE == 1254 /* Turkish (Windows) */
buyukesmeli	0:3a2f06aeceaf	344	#define _DF1S 0
buyukesmeli	0:3a2f06aeceaf	345	#define _EXCVT {0x80,0x81,0x82,0x83,0x84,0x85,0x86,0x87,0x88,0x89,0x8A,0x8B,0x8C,0x8D,0x8E,0x8F,0x90,0x91,0x92,0x93,0x94,0x95,0x96,0x97,0x98,0x99,0x8A,0x9B,0x8C,0x9D,0x9E,0x9F, \
buyukesmeli	0:3a2f06aeceaf	346	0xA0,0x21,0xA2,0xA3,0xA4,0xA5,0xA6,0xA7,0xA8,0xA9,0xAA,0xAB,0xAC,0xAD,0xAE,0xAF,0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBE,0xBF, \
buyukesmeli	0:3a2f06aeceaf	347	0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \
buyukesmeli	0:3a2f06aeceaf	348	0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xF7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0x9F}
buyukesmeli	0:3a2f06aeceaf	349
buyukesmeli	0:3a2f06aeceaf	350	#elif _CODE_PAGE == 1255 /* Hebrew (Windows) */
buyukesmeli	0:3a2f06aeceaf	351	#define _DF1S 0
buyukesmeli	0:3a2f06aeceaf	352	#define _EXCVT {0x80,0x81,0x82,0x83,0x84,0x85,0x86,0x87,0x88,0x89,0x8A,0x8B,0x8C,0x8D,0x8E,0x8F,0x90,0x91,0x92,0x93,0x94,0x95,0x96,0x97,0x98,0x99,0x9A,0x9B,0x9C,0x9D,0x9E,0x9F, \
buyukesmeli	0:3a2f06aeceaf	353	0xA0,0x21,0xA2,0xA3,0xA4,0xA5,0xA6,0xA7,0xA8,0xA9,0xAA,0xAB,0xAC,0xAD,0xAE,0xAF,0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBE,0xBF, \
buyukesmeli	0:3a2f06aeceaf	354	0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \
buyukesmeli	0:3a2f06aeceaf	355	0xE0,0xE1,0xE2,0xE3,0xE4,0xE5,0xE6,0xE7,0xE8,0xE9,0xEA,0xEB,0xEC,0xED,0xEE,0xEF,0xF0,0xF1,0xF2,0xF3,0xF4,0xF5,0xF6,0xF7,0xF8,0xF9,0xFA,0xFB,0xFC,0xFD,0xFE,0xFF}
buyukesmeli	0:3a2f06aeceaf	356
buyukesmeli	0:3a2f06aeceaf	357	#elif _CODE_PAGE == 1256 /* Arabic (Windows) */
buyukesmeli	0:3a2f06aeceaf	358	#define _DF1S 0
buyukesmeli	0:3a2f06aeceaf	359	#define _EXCVT {0x80,0x81,0x82,0x83,0x84,0x85,0x86,0x87,0x88,0x89,0x8A,0x8B,0x8C,0x8D,0x8E,0x8F,0x90,0x91,0x92,0x93,0x94,0x95,0x96,0x97,0x98,0x99,0x9A,0x9B,0x8C,0x9D,0x9E,0x9F, \
buyukesmeli	0:3a2f06aeceaf	360	0xA0,0xA1,0xA2,0xA3,0xA4,0xA5,0xA6,0xA7,0xA8,0xA9,0xAA,0xAB,0xAC,0xAD,0xAE,0xAF,0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBE,0xBF, \
buyukesmeli	0:3a2f06aeceaf	361	0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \
buyukesmeli	0:3a2f06aeceaf	362	0x41,0xE1,0x41,0xE3,0xE4,0xE5,0xE6,0x43,0x45,0x45,0x45,0x45,0xEC,0xED,0x49,0x49,0xF0,0xF1,0xF2,0xF3,0x4F,0xF5,0xF6,0xF7,0xF8,0x55,0xFA,0x55,0x55,0xFD,0xFE,0xFF}
buyukesmeli	0:3a2f06aeceaf	363
buyukesmeli	0:3a2f06aeceaf	364	#elif _CODE_PAGE == 1257 /* Baltic (Windows) */
buyukesmeli	0:3a2f06aeceaf	365	#define _DF1S 0
buyukesmeli	0:3a2f06aeceaf	366	#define _EXCVT {0x80,0x81,0x82,0x83,0x84,0x85,0x86,0x87,0x88,0x89,0x8A,0x8B,0x8C,0x8D,0x8E,0x8F,0x90,0x91,0x92,0x93,0x94,0x95,0x96,0x97,0x98,0x99,0x9A,0x9B,0x9C,0x9D,0x9E,0x9F, \
buyukesmeli	0:3a2f06aeceaf	367	0xA0,0xA1,0xA2,0xA3,0xA4,0xA5,0xA6,0xA7,0xA8,0xA9,0xAA,0xAB,0xAC,0xAD,0xAE,0xAF,0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xA8,0xB9,0xAA,0xBB,0xBC,0xBD,0xBE,0xAF, \
buyukesmeli	0:3a2f06aeceaf	368	0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \
buyukesmeli	0:3a2f06aeceaf	369	0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xF7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xFF}
buyukesmeli	0:3a2f06aeceaf	370
buyukesmeli	0:3a2f06aeceaf	371	#elif _CODE_PAGE == 1258 /* Vietnam (OEM, Windows) */
buyukesmeli	0:3a2f06aeceaf	372	#define _DF1S 0
buyukesmeli	0:3a2f06aeceaf	373	#define _EXCVT {0x80,0x81,0x82,0x83,0x84,0x85,0x86,0x87,0x88,0x89,0x8A,0x8B,0x8C,0x8D,0x8E,0x8F,0x90,0x91,0x92,0x93,0x94,0x95,0x96,0x97,0x98,0x99,0x9A,0x9B,0xAC,0x9D,0x9E,0x9F, \
buyukesmeli	0:3a2f06aeceaf	374	0xA0,0x21,0xA2,0xA3,0xA4,0xA5,0xA6,0xA7,0xA8,0xA9,0xAA,0xAB,0xAC,0xAD,0xAE,0xAF,0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBE,0xBF, \
buyukesmeli	0:3a2f06aeceaf	375	0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \
buyukesmeli	0:3a2f06aeceaf	376	0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xEC,0xCD,0xCE,0xCF,0xD0,0xD1,0xF2,0xD3,0xD4,0xD5,0xD6,0xF7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xFE,0x9F}
buyukesmeli	0:3a2f06aeceaf	377
buyukesmeli	0:3a2f06aeceaf	378	#elif _CODE_PAGE == 1 /* ASCII (for only non-LFN cfg) */
buyukesmeli	0:3a2f06aeceaf	379	#if _USE_LFN
buyukesmeli	0:3a2f06aeceaf	380	#error Cannot use LFN feature without valid code page.
buyukesmeli	0:3a2f06aeceaf	381	#endif
buyukesmeli	0:3a2f06aeceaf	382	#define _DF1S 0
buyukesmeli	0:3a2f06aeceaf	383
buyukesmeli	0:3a2f06aeceaf	384	#else
buyukesmeli	0:3a2f06aeceaf	385	#error Unknown code page
buyukesmeli	0:3a2f06aeceaf	386
buyukesmeli	0:3a2f06aeceaf	387	#endif
buyukesmeli	0:3a2f06aeceaf	388
buyukesmeli	0:3a2f06aeceaf	389
buyukesmeli	0:3a2f06aeceaf	390	/* Character code support macros */
buyukesmeli	0:3a2f06aeceaf	391	#define IsUpper(c) (((c)>='A')&&((c)<='Z'))
buyukesmeli	0:3a2f06aeceaf	392	#define IsLower(c) (((c)>='a')&&((c)<='z'))
buyukesmeli	0:3a2f06aeceaf	393	#define IsDigit(c) (((c)>='0')&&((c)<='9'))
buyukesmeli	0:3a2f06aeceaf	394
buyukesmeli	0:3a2f06aeceaf	395	#if _DF1S /* Code page is DBCS */
buyukesmeli	0:3a2f06aeceaf	396
buyukesmeli	0:3a2f06aeceaf	397	#ifdef _DF2S /* Two 1st byte areas */
buyukesmeli	0:3a2f06aeceaf	398	#define IsDBCS1(c) (((BYTE)(c) >= _DF1S && (BYTE)(c) <= _DF1E) \|\| ((BYTE)(c) >= _DF2S && (BYTE)(c) <= _DF2E))
buyukesmeli	0:3a2f06aeceaf	399	#else /* One 1st byte area */
buyukesmeli	0:3a2f06aeceaf	400	#define IsDBCS1(c) ((BYTE)(c) >= _DF1S && (BYTE)(c) <= _DF1E)
buyukesmeli	0:3a2f06aeceaf	401	#endif
buyukesmeli	0:3a2f06aeceaf	402
buyukesmeli	0:3a2f06aeceaf	403	#ifdef _DS3S /* Three 2nd byte areas */
buyukesmeli	0:3a2f06aeceaf	404	#define IsDBCS2(c) (((BYTE)(c) >= _DS1S && (BYTE)(c) <= _DS1E) \|\| ((BYTE)(c) >= _DS2S && (BYTE)(c) <= _DS2E) \|\| ((BYTE)(c) >= _DS3S && (BYTE)(c) <= _DS3E))
buyukesmeli	0:3a2f06aeceaf	405	#else /* Two 2nd byte areas */
buyukesmeli	0:3a2f06aeceaf	406	#define IsDBCS2(c) (((BYTE)(c) >= _DS1S && (BYTE)(c) <= _DS1E) \|\| ((BYTE)(c) >= _DS2S && (BYTE)(c) <= _DS2E))
buyukesmeli	0:3a2f06aeceaf	407	#endif
buyukesmeli	0:3a2f06aeceaf	408
buyukesmeli	0:3a2f06aeceaf	409	#else /* Code page is SBCS */
buyukesmeli	0:3a2f06aeceaf	410
buyukesmeli	0:3a2f06aeceaf	411	#define IsDBCS1(c) 0
buyukesmeli	0:3a2f06aeceaf	412	#define IsDBCS2(c) 0
buyukesmeli	0:3a2f06aeceaf	413
buyukesmeli	0:3a2f06aeceaf	414	#endif /* _DF1S */
buyukesmeli	0:3a2f06aeceaf	415
buyukesmeli	0:3a2f06aeceaf	416
buyukesmeli	0:3a2f06aeceaf	417	/* Name status flags */
buyukesmeli	0:3a2f06aeceaf	418	#define NSFLAG 11 /* Index of name status byte in fn[] */
buyukesmeli	0:3a2f06aeceaf	419	#define NS_LOSS 0x01 /* Out of 8.3 format */
buyukesmeli	0:3a2f06aeceaf	420	#define NS_LFN 0x02 /* Force to create LFN entry */
buyukesmeli	0:3a2f06aeceaf	421	#define NS_LAST 0x04 /* Last segment */
buyukesmeli	0:3a2f06aeceaf	422	#define NS_BODY 0x08 /* Lower case flag (body) */
buyukesmeli	0:3a2f06aeceaf	423	#define NS_EXT 0x10 /* Lower case flag (ext) */
buyukesmeli	0:3a2f06aeceaf	424	#define NS_DOT 0x20 /* Dot entry */
buyukesmeli	0:3a2f06aeceaf	425
buyukesmeli	0:3a2f06aeceaf	426
buyukesmeli	0:3a2f06aeceaf	427	/* FAT sub-type boundaries (Differ from specs but correct for real DOS/Windows) */
buyukesmeli	0:3a2f06aeceaf	428	#define MIN_FAT16 4086U /* Minimum number of clusters as FAT16 */
buyukesmeli	0:3a2f06aeceaf	429	#define MIN_FAT32 65526U /* Minimum number of clusters as FAT32 */
buyukesmeli	0:3a2f06aeceaf	430
buyukesmeli	0:3a2f06aeceaf	431
buyukesmeli	0:3a2f06aeceaf	432	/* FatFs refers the members in the FAT structures as byte array instead of
buyukesmeli	0:3a2f06aeceaf	433	/ structure member because the structure is not binary compatible between
buyukesmeli	0:3a2f06aeceaf	434	/ different platforms */
buyukesmeli	0:3a2f06aeceaf	435
buyukesmeli	0:3a2f06aeceaf	436	#define BS_jmpBoot 0 /* x86 jump instruction (3) */
buyukesmeli	0:3a2f06aeceaf	437	#define BS_OEMName 3 /* OEM name (8) */
buyukesmeli	0:3a2f06aeceaf	438	#define BPB_BytsPerSec 11 /* Sector size [byte] (2) */
buyukesmeli	0:3a2f06aeceaf	439	#define BPB_SecPerClus 13 /* Cluster size [sector] (1) */
buyukesmeli	0:3a2f06aeceaf	440	#define BPB_RsvdSecCnt 14 /* Size of reserved area [sector] (2) */
buyukesmeli	0:3a2f06aeceaf	441	#define BPB_NumFATs 16 /* Number of FAT copies (1) */
buyukesmeli	0:3a2f06aeceaf	442	#define BPB_RootEntCnt 17 /* Number of root directory entries for FAT12/16 (2) */
buyukesmeli	0:3a2f06aeceaf	443	#define BPB_TotSec16 19 /* Volume size [sector] (2) */
buyukesmeli	0:3a2f06aeceaf	444	#define BPB_Media 21 /* Media descriptor (1) */
buyukesmeli	0:3a2f06aeceaf	445	#define BPB_FATSz16 22 /* FAT size [sector] (2) */
buyukesmeli	0:3a2f06aeceaf	446	#define BPB_SecPerTrk 24 /* Track size [sector] (2) */
buyukesmeli	0:3a2f06aeceaf	447	#define BPB_NumHeads 26 /* Number of heads (2) */
buyukesmeli	0:3a2f06aeceaf	448	#define BPB_HiddSec 28 /* Number of special hidden sectors (4) */
buyukesmeli	0:3a2f06aeceaf	449	#define BPB_TotSec32 32 /* Volume size [sector] (4) */
buyukesmeli	0:3a2f06aeceaf	450	#define BS_DrvNum 36 /* Physical drive number (2) */
buyukesmeli	0:3a2f06aeceaf	451	#define BS_BootSig 38 /* Extended boot signature (1) */
buyukesmeli	0:3a2f06aeceaf	452	#define BS_VolID 39 /* Volume serial number (4) */
buyukesmeli	0:3a2f06aeceaf	453	#define BS_VolLab 43 /* Volume label (8) */
buyukesmeli	0:3a2f06aeceaf	454	#define BS_FilSysType 54 /* File system type (1) */
buyukesmeli	0:3a2f06aeceaf	455	#define BPB_FATSz32 36 /* FAT size [sector] (4) */
buyukesmeli	0:3a2f06aeceaf	456	#define BPB_ExtFlags 40 /* Extended flags (2) */
buyukesmeli	0:3a2f06aeceaf	457	#define BPB_FSVer 42 /* File system version (2) */
buyukesmeli	0:3a2f06aeceaf	458	#define BPB_RootClus 44 /* Root directory first cluster (4) */
buyukesmeli	0:3a2f06aeceaf	459	#define BPB_FSInfo 48 /* Offset of FSINFO sector (2) */
buyukesmeli	0:3a2f06aeceaf	460	#define BPB_BkBootSec 50 /* Offset of backup boot sector (2) */
buyukesmeli	0:3a2f06aeceaf	461	#define BS_DrvNum32 64 /* Physical drive number (2) */
buyukesmeli	0:3a2f06aeceaf	462	#define BS_BootSig32 66 /* Extended boot signature (1) */
buyukesmeli	0:3a2f06aeceaf	463	#define BS_VolID32 67 /* Volume serial number (4) */
buyukesmeli	0:3a2f06aeceaf	464	#define BS_VolLab32 71 /* Volume label (8) */
buyukesmeli	0:3a2f06aeceaf	465	#define BS_FilSysType32 82 /* File system type (1) */
buyukesmeli	0:3a2f06aeceaf	466	#define FSI_LeadSig 0 /* FSI: Leading signature (4) */
buyukesmeli	0:3a2f06aeceaf	467	#define FSI_StrucSig 484 /* FSI: Structure signature (4) */
buyukesmeli	0:3a2f06aeceaf	468	#define FSI_Free_Count 488 /* FSI: Number of free clusters (4) */
buyukesmeli	0:3a2f06aeceaf	469	#define FSI_Nxt_Free 492 /* FSI: Last allocated cluster (4) */
buyukesmeli	0:3a2f06aeceaf	470	#define MBR_Table 446 /* MBR: Partition table offset (2) */
buyukesmeli	0:3a2f06aeceaf	471	#define SZ_PTE 16 /* MBR: Size of a partition table entry */
buyukesmeli	0:3a2f06aeceaf	472	#define BS_55AA 510 /* Signature word (2) */
buyukesmeli	0:3a2f06aeceaf	473
buyukesmeli	0:3a2f06aeceaf	474	#define DIR_Name 0 /* Short file name (11) */
buyukesmeli	0:3a2f06aeceaf	475	#define DIR_Attr 11 /* Attribute (1) */
buyukesmeli	0:3a2f06aeceaf	476	#define DIR_NTres 12 /* Lower case flag (1) */
buyukesmeli	0:3a2f06aeceaf	477	#define DIR_CrtTimeTenth 13 /* Created time sub-second (1) */
buyukesmeli	0:3a2f06aeceaf	478	#define DIR_CrtTime 14 /* Created time (2) */
buyukesmeli	0:3a2f06aeceaf	479	#define DIR_CrtDate 16 /* Created date (2) */
buyukesmeli	0:3a2f06aeceaf	480	#define DIR_LstAccDate 18 /* Last accessed date (2) */
buyukesmeli	0:3a2f06aeceaf	481	#define DIR_FstClusHI 20 /* Higher 16-bit of first cluster (2) */
buyukesmeli	0:3a2f06aeceaf	482	#define DIR_WrtTime 22 /* Modified time (2) */
buyukesmeli	0:3a2f06aeceaf	483	#define DIR_WrtDate 24 /* Modified date (2) */
buyukesmeli	0:3a2f06aeceaf	484	#define DIR_FstClusLO 26 /* Lower 16-bit of first cluster (2) */
buyukesmeli	0:3a2f06aeceaf	485	#define DIR_FileSize 28 /* File size (4) */
buyukesmeli	0:3a2f06aeceaf	486	#define LDIR_Ord 0 /* LFN entry order and LLE flag (1) */
buyukesmeli	0:3a2f06aeceaf	487	#define LDIR_Attr 11 /* LFN attribute (1) */
buyukesmeli	0:3a2f06aeceaf	488	#define LDIR_Type 12 /* LFN type (1) */
buyukesmeli	0:3a2f06aeceaf	489	#define LDIR_Chksum 13 /* Sum of corresponding SFN entry */
buyukesmeli	0:3a2f06aeceaf	490	#define LDIR_FstClusLO 26 /* Must be zero (0) */
buyukesmeli	0:3a2f06aeceaf	491	#define SZ_DIRE 32 /* Size of a directory entry */
buyukesmeli	0:3a2f06aeceaf	492	#define LLEF 0x40 /* Last long entry flag in LDIR_Ord */
buyukesmeli	0:3a2f06aeceaf	493	#define DDEM 0xE5 /* Deleted directory entry mark at DIR_Name[0] */
buyukesmeli	0:3a2f06aeceaf	494	#define RDDEM 0x05 /* Replacement of the character collides with DDEM */
buyukesmeli	0:3a2f06aeceaf	495
buyukesmeli	0:3a2f06aeceaf	496
buyukesmeli	0:3a2f06aeceaf	497
buyukesmeli	0:3a2f06aeceaf	498
buyukesmeli	0:3a2f06aeceaf	499	/------------------------------------------------------------/
buyukesmeli	0:3a2f06aeceaf	500	/* Module private work area */
buyukesmeli	0:3a2f06aeceaf	501	/------------------------------------------------------------/
buyukesmeli	0:3a2f06aeceaf	502	/* Remark: Uninitialized variables with static duration are
buyukesmeli	0:3a2f06aeceaf	503	/ guaranteed zero/null at start-up. If not, either the linker
buyukesmeli	0:3a2f06aeceaf	504	/ or start-up routine being used is out of ANSI-C standard.
buyukesmeli	0:3a2f06aeceaf	505	*/
buyukesmeli	0:3a2f06aeceaf	506
buyukesmeli	0:3a2f06aeceaf	507	#if _VOLUMES < 1 \|\| _VOLUMES > 9
buyukesmeli	0:3a2f06aeceaf	508	#error Wrong _VOLUMES setting
buyukesmeli	0:3a2f06aeceaf	509	#endif
buyukesmeli	0:3a2f06aeceaf	510	static FATFS FatFs[_VOLUMES]; / Pointer to the file system objects (logical drives) */
buyukesmeli	0:3a2f06aeceaf	511	static WORD Fsid; /* File system mount ID */
buyukesmeli	0:3a2f06aeceaf	512
buyukesmeli	0:3a2f06aeceaf	513	#if _FS_RPATH && _VOLUMES >= 2
buyukesmeli	0:3a2f06aeceaf	514	static BYTE CurrVol; /* Current drive */
buyukesmeli	0:3a2f06aeceaf	515	#endif
buyukesmeli	0:3a2f06aeceaf	516
buyukesmeli	0:3a2f06aeceaf	517	#if _FS_LOCK
buyukesmeli	0:3a2f06aeceaf	518	static FILESEM Files[_FS_LOCK]; /* Open object lock semaphores */
buyukesmeli	0:3a2f06aeceaf	519	#endif
buyukesmeli	0:3a2f06aeceaf	520
buyukesmeli	0:3a2f06aeceaf	521	#if _USE_LFN == 0 /* Non LFN feature */
buyukesmeli	0:3a2f06aeceaf	522	#define DEFINE_NAMEBUF BYTE sfn[12]
buyukesmeli	0:3a2f06aeceaf	523	#define INIT_BUF(dobj) (dobj).fn = sfn
buyukesmeli	0:3a2f06aeceaf	524	#define FREE_BUF()
buyukesmeli	0:3a2f06aeceaf	525	#else
buyukesmeli	0:3a2f06aeceaf	526	#if _MAX_LFN < 12 \|\| _MAX_LFN > 255
buyukesmeli	0:3a2f06aeceaf	527	#error Wrong _MAX_LFN setting
buyukesmeli	0:3a2f06aeceaf	528	#endif
buyukesmeli	0:3a2f06aeceaf	529	#if _USE_LFN == 1 /* LFN feature with static working buffer */
buyukesmeli	0:3a2f06aeceaf	530	static WCHAR LfnBuf[_MAX_LFN + 1];
buyukesmeli	0:3a2f06aeceaf	531	#define DEFINE_NAMEBUF BYTE sfn[12]
buyukesmeli	0:3a2f06aeceaf	532	#define INIT_BUF(dobj) { (dobj).fn = sfn; (dobj).lfn = LfnBuf; }
buyukesmeli	0:3a2f06aeceaf	533	#define FREE_BUF()
buyukesmeli	0:3a2f06aeceaf	534	#elif _USE_LFN == 2 /* LFN feature with dynamic working buffer on the stack */
buyukesmeli	0:3a2f06aeceaf	535	#define DEFINE_NAMEBUF BYTE sfn[12]; WCHAR lbuf[_MAX_LFN + 1]
buyukesmeli	0:3a2f06aeceaf	536	#define INIT_BUF(dobj) { (dobj).fn = sfn; (dobj).lfn = lbuf; }
buyukesmeli	0:3a2f06aeceaf	537	#define FREE_BUF()
buyukesmeli	0:3a2f06aeceaf	538	#elif _USE_LFN == 3 /* LFN feature with dynamic working buffer on the heap */
buyukesmeli	0:3a2f06aeceaf	539	#define DEFINE_NAMEBUF BYTE sfn[12]; WCHAR *lfn
buyukesmeli	0:3a2f06aeceaf	540	#define INIT_BUF(dobj) { lfn = ff_memalloc((_MAX_LFN + 1) * 2); if (!lfn) LEAVE_FF((dobj).fs, FR_NOT_ENOUGH_CORE); (dobj).lfn = lfn; (dobj).fn = sfn; }
buyukesmeli	0:3a2f06aeceaf	541	#define FREE_BUF() ff_memfree(lfn)
buyukesmeli	0:3a2f06aeceaf	542	#else
buyukesmeli	0:3a2f06aeceaf	543	#error Wrong _USE_LFN setting
buyukesmeli	0:3a2f06aeceaf	544	#endif
buyukesmeli	0:3a2f06aeceaf	545	#endif
buyukesmeli	0:3a2f06aeceaf	546
buyukesmeli	0:3a2f06aeceaf	547	#ifdef _EXCVT
buyukesmeli	0:3a2f06aeceaf	548	static const BYTE ExCvt[] = _EXCVT; /* Upper conversion table for extended characters */
buyukesmeli	0:3a2f06aeceaf	549	#endif
buyukesmeli	0:3a2f06aeceaf	550
buyukesmeli	0:3a2f06aeceaf	551
buyukesmeli	0:3a2f06aeceaf	552
buyukesmeli	0:3a2f06aeceaf	553
buyukesmeli	0:3a2f06aeceaf	554
buyukesmeli	0:3a2f06aeceaf	555
buyukesmeli	0:3a2f06aeceaf	556	/*--------------------------------------------------------------------------
buyukesmeli	0:3a2f06aeceaf	557
buyukesmeli	0:3a2f06aeceaf	558	Module Private Functions
buyukesmeli	0:3a2f06aeceaf	559
buyukesmeli	0:3a2f06aeceaf	560	---------------------------------------------------------------------------*/
buyukesmeli	0:3a2f06aeceaf	561	DWORD clust2sect (FATFS* fs, DWORD clst);
buyukesmeli	0:3a2f06aeceaf	562	DWORD get_fat (FATFS* fs, DWORD clst);
buyukesmeli	0:3a2f06aeceaf	563
buyukesmeli	0:3a2f06aeceaf	564	#if !_FS_READONLY
buyukesmeli	0:3a2f06aeceaf	565	FRESULT put_fat (FATFS* fs, DWORD clst, DWORD val);
buyukesmeli	0:3a2f06aeceaf	566	#endif /* !_FS_READONLY */
buyukesmeli	0:3a2f06aeceaf	567
buyukesmeli	0:3a2f06aeceaf	568	#if _USE_LFN
buyukesmeli	0:3a2f06aeceaf	569	static void gen_numname (BYTE* dst, const BYTE* src, const WCHAR* lfn, UINT seq);
buyukesmeli	0:3a2f06aeceaf	570	#endif /* !_USE_LFN */
buyukesmeli	0:3a2f06aeceaf	571
buyukesmeli	0:3a2f06aeceaf	572
buyukesmeli	0:3a2f06aeceaf	573
buyukesmeli	0:3a2f06aeceaf	574	/-----------------------------------------------------------------------/
buyukesmeli	0:3a2f06aeceaf	575	/* String functions */
buyukesmeli	0:3a2f06aeceaf	576	/-----------------------------------------------------------------------/
buyukesmeli	0:3a2f06aeceaf	577
buyukesmeli	0:3a2f06aeceaf	578	/* Copy memory to memory */
buyukesmeli	0:3a2f06aeceaf	579	static
buyukesmeli	0:3a2f06aeceaf	580	void mem_cpy (void* dst, const void* src, UINT cnt) {
buyukesmeli	0:3a2f06aeceaf	581	BYTE d = (BYTE)dst;
buyukesmeli	0:3a2f06aeceaf	582	const BYTE s = (const BYTE)src;
buyukesmeli	0:3a2f06aeceaf	583
buyukesmeli	0:3a2f06aeceaf	584	#if _WORD_ACCESS == 1
buyukesmeli	0:3a2f06aeceaf	585	while (cnt >= sizeof (int)) {
buyukesmeli	0:3a2f06aeceaf	586	(int)d = (int)s;
buyukesmeli	0:3a2f06aeceaf	587	d += sizeof (int); s += sizeof (int);
buyukesmeli	0:3a2f06aeceaf	588	cnt -= sizeof (int);
buyukesmeli	0:3a2f06aeceaf	589	}
buyukesmeli	0:3a2f06aeceaf	590	#endif
buyukesmeli	0:3a2f06aeceaf	591	while (cnt--)
buyukesmeli	0:3a2f06aeceaf	592	d++ = s++;
buyukesmeli	0:3a2f06aeceaf	593	}
buyukesmeli	0:3a2f06aeceaf	594
buyukesmeli	0:3a2f06aeceaf	595	/* Fill memory */
buyukesmeli	0:3a2f06aeceaf	596	static
buyukesmeli	0:3a2f06aeceaf	597	void mem_set (void* dst, int val, UINT cnt) {
buyukesmeli	0:3a2f06aeceaf	598	BYTE d = (BYTE)dst;
buyukesmeli	0:3a2f06aeceaf	599
buyukesmeli	0:3a2f06aeceaf	600	while (cnt--)
buyukesmeli	0:3a2f06aeceaf	601	*d++ = (BYTE)val;
buyukesmeli	0:3a2f06aeceaf	602	}
buyukesmeli	0:3a2f06aeceaf	603
buyukesmeli	0:3a2f06aeceaf	604	/* Compare memory to memory */
buyukesmeli	0:3a2f06aeceaf	605	static
buyukesmeli	0:3a2f06aeceaf	606	int mem_cmp (const void* dst, const void* src, UINT cnt) {
buyukesmeli	0:3a2f06aeceaf	607	const BYTE d = (const BYTE )dst, s = (const BYTE )src;
buyukesmeli	0:3a2f06aeceaf	608	int r = 0;
buyukesmeli	0:3a2f06aeceaf	609
buyukesmeli	0:3a2f06aeceaf	610	while (cnt-- && (r = d++ - s++) == 0) ;
buyukesmeli	0:3a2f06aeceaf	611	return r;
buyukesmeli	0:3a2f06aeceaf	612	}
buyukesmeli	0:3a2f06aeceaf	613
buyukesmeli	0:3a2f06aeceaf	614	/* Check if chr is contained in the string */
buyukesmeli	0:3a2f06aeceaf	615	static
buyukesmeli	0:3a2f06aeceaf	616	int chk_chr (const char* str, int chr) {
buyukesmeli	0:3a2f06aeceaf	617	while (str && str != chr) str++;
buyukesmeli	0:3a2f06aeceaf	618	return *str;
buyukesmeli	0:3a2f06aeceaf	619	}
buyukesmeli	0:3a2f06aeceaf	620
buyukesmeli	0:3a2f06aeceaf	621
buyukesmeli	0:3a2f06aeceaf	622
buyukesmeli	0:3a2f06aeceaf	623
buyukesmeli	0:3a2f06aeceaf	624	/-----------------------------------------------------------------------/
buyukesmeli	0:3a2f06aeceaf	625	/* Request/Release grant to access the volume */
buyukesmeli	0:3a2f06aeceaf	626	/-----------------------------------------------------------------------/
buyukesmeli	0:3a2f06aeceaf	627	#if _FS_REENTRANT
buyukesmeli	0:3a2f06aeceaf	628	static
buyukesmeli	0:3a2f06aeceaf	629	int lock_fs (
buyukesmeli	0:3a2f06aeceaf	630	FATFS* fs /* File system object */
buyukesmeli	0:3a2f06aeceaf	631	)
buyukesmeli	0:3a2f06aeceaf	632	{
buyukesmeli	0:3a2f06aeceaf	633	return ff_req_grant(fs->sobj);
buyukesmeli	0:3a2f06aeceaf	634	}
buyukesmeli	0:3a2f06aeceaf	635
buyukesmeli	0:3a2f06aeceaf	636
buyukesmeli	0:3a2f06aeceaf	637	static
buyukesmeli	0:3a2f06aeceaf	638	void unlock_fs (
buyukesmeli	0:3a2f06aeceaf	639	FATFS* fs, /* File system object */
buyukesmeli	0:3a2f06aeceaf	640	FRESULT res /* Result code to be returned */
buyukesmeli	0:3a2f06aeceaf	641	)
buyukesmeli	0:3a2f06aeceaf	642	{
buyukesmeli	0:3a2f06aeceaf	643	if (fs &&
buyukesmeli	0:3a2f06aeceaf	644	res != FR_NOT_ENABLED &&
buyukesmeli	0:3a2f06aeceaf	645	res != FR_INVALID_DRIVE &&
buyukesmeli	0:3a2f06aeceaf	646	res != FR_INVALID_OBJECT &&
buyukesmeli	0:3a2f06aeceaf	647	res != FR_TIMEOUT) {
buyukesmeli	0:3a2f06aeceaf	648	ff_rel_grant(fs->sobj);
buyukesmeli	0:3a2f06aeceaf	649	}
buyukesmeli	0:3a2f06aeceaf	650	}
buyukesmeli	0:3a2f06aeceaf	651	#endif
buyukesmeli	0:3a2f06aeceaf	652
buyukesmeli	0:3a2f06aeceaf	653
buyukesmeli	0:3a2f06aeceaf	654
buyukesmeli	0:3a2f06aeceaf	655
buyukesmeli	0:3a2f06aeceaf	656	/-----------------------------------------------------------------------/
buyukesmeli	0:3a2f06aeceaf	657	/* File lock control functions */
buyukesmeli	0:3a2f06aeceaf	658	/-----------------------------------------------------------------------/
buyukesmeli	0:3a2f06aeceaf	659	#if _FS_LOCK
buyukesmeli	0:3a2f06aeceaf	660
buyukesmeli	0:3a2f06aeceaf	661	static
buyukesmeli	0:3a2f06aeceaf	662	FRESULT chk_lock ( /* Check if the file can be accessed */
buyukesmeli	0:3a2f06aeceaf	663	DIR_* dp, /* Directory object pointing the file to be checked */
buyukesmeli	0:3a2f06aeceaf	664	int acc /* Desired access type (0:Read, 1:Write, 2:Delete/Rename) */
buyukesmeli	0:3a2f06aeceaf	665	)
buyukesmeli	0:3a2f06aeceaf	666	{
buyukesmeli	0:3a2f06aeceaf	667	UINT i, be;
buyukesmeli	0:3a2f06aeceaf	668
buyukesmeli	0:3a2f06aeceaf	669	/* Search file semaphore table */
buyukesmeli	0:3a2f06aeceaf	670	for (i = be = 0; i < _FS_LOCK; i++) {
buyukesmeli	0:3a2f06aeceaf	671	if (Files[i].fs) { /* Existing entry */
buyukesmeli	0:3a2f06aeceaf	672	if (Files[i].fs == dp->fs && /* Check if the object matched with an open object */
buyukesmeli	0:3a2f06aeceaf	673	Files[i].clu == dp->sclust &&
buyukesmeli	0:3a2f06aeceaf	674	Files[i].idx == dp->index) break;
buyukesmeli	0:3a2f06aeceaf	675	} else { /* Blank entry */
buyukesmeli	0:3a2f06aeceaf	676	be = 1;
buyukesmeli	0:3a2f06aeceaf	677	}
buyukesmeli	0:3a2f06aeceaf	678	}
buyukesmeli	0:3a2f06aeceaf	679	if (i == _FS_LOCK) /* The object is not opened */
buyukesmeli	0:3a2f06aeceaf	680	return (be \|\| acc == 2) ? FR_OK : FR_TOO_MANY_OPEN_FILES; /* Is there a blank entry for new object? */
buyukesmeli	0:3a2f06aeceaf	681
buyukesmeli	0:3a2f06aeceaf	682	/* The object has been opened. Reject any open against writing file and all write mode open */
buyukesmeli	0:3a2f06aeceaf	683	return (acc \|\| Files[i].ctr == 0x100) ? FR_LOCKED : FR_OK;
buyukesmeli	0:3a2f06aeceaf	684	}
buyukesmeli	0:3a2f06aeceaf	685
buyukesmeli	0:3a2f06aeceaf	686
buyukesmeli	0:3a2f06aeceaf	687	static
buyukesmeli	0:3a2f06aeceaf	688	int enq_lock (void) /* Check if an entry is available for a new object */
buyukesmeli	0:3a2f06aeceaf	689	{
buyukesmeli	0:3a2f06aeceaf	690	UINT i;
buyukesmeli	0:3a2f06aeceaf	691
buyukesmeli	0:3a2f06aeceaf	692	for (i = 0; i < _FS_LOCK && Files[i].fs; i++) ;
buyukesmeli	0:3a2f06aeceaf	693	return (i == _FS_LOCK) ? 0 : 1;
buyukesmeli	0:3a2f06aeceaf	694	}
buyukesmeli	0:3a2f06aeceaf	695
buyukesmeli	0:3a2f06aeceaf	696
buyukesmeli	0:3a2f06aeceaf	697	static
buyukesmeli	0:3a2f06aeceaf	698	UINT inc_lock ( /* Increment object open counter and returns its index (0:Internal error) */
buyukesmeli	0:3a2f06aeceaf	699	DIR_* dp, /* Directory object pointing the file to register or increment */
buyukesmeli	0:3a2f06aeceaf	700	int acc /* Desired access (0:Read, 1:Write, 2:Delete/Rename) */
buyukesmeli	0:3a2f06aeceaf	701	)
buyukesmeli	0:3a2f06aeceaf	702	{
buyukesmeli	0:3a2f06aeceaf	703	UINT i;
buyukesmeli	0:3a2f06aeceaf	704
buyukesmeli	0:3a2f06aeceaf	705
buyukesmeli	0:3a2f06aeceaf	706	for (i = 0; i < _FS_LOCK; i++) { /* Find the object */
buyukesmeli	0:3a2f06aeceaf	707	if (Files[i].fs == dp->fs &&
buyukesmeli	0:3a2f06aeceaf	708	Files[i].clu == dp->sclust &&
buyukesmeli	0:3a2f06aeceaf	709	Files[i].idx == dp->index) break;
buyukesmeli	0:3a2f06aeceaf	710	}
buyukesmeli	0:3a2f06aeceaf	711
buyukesmeli	0:3a2f06aeceaf	712	if (i == _FS_LOCK) { /* Not opened. Register it as new. */
buyukesmeli	0:3a2f06aeceaf	713	for (i = 0; i < _FS_LOCK && Files[i].fs; i++) ;
buyukesmeli	0:3a2f06aeceaf	714	if (i == _FS_LOCK) return 0; /* No free entry to register (int err) */
buyukesmeli	0:3a2f06aeceaf	715	Files[i].fs = dp->fs;
buyukesmeli	0:3a2f06aeceaf	716	Files[i].clu = dp->sclust;
buyukesmeli	0:3a2f06aeceaf	717	Files[i].idx = dp->index;
buyukesmeli	0:3a2f06aeceaf	718	Files[i].ctr = 0;
buyukesmeli	0:3a2f06aeceaf	719	}
buyukesmeli	0:3a2f06aeceaf	720
buyukesmeli	0:3a2f06aeceaf	721	if (acc && Files[i].ctr) return 0; /* Access violation (int err) */
buyukesmeli	0:3a2f06aeceaf	722
buyukesmeli	0:3a2f06aeceaf	723	Files[i].ctr = acc ? 0x100 : Files[i].ctr + 1; /* Set semaphore value */
buyukesmeli	0:3a2f06aeceaf	724
buyukesmeli	0:3a2f06aeceaf	725	return i + 1;
buyukesmeli	0:3a2f06aeceaf	726	}
buyukesmeli	0:3a2f06aeceaf	727
buyukesmeli	0:3a2f06aeceaf	728
buyukesmeli	0:3a2f06aeceaf	729	static
buyukesmeli	0:3a2f06aeceaf	730	FRESULT dec_lock ( /* Decrement object open counter */
buyukesmeli	0:3a2f06aeceaf	731	UINT i /* Semaphore index (1..) */
buyukesmeli	0:3a2f06aeceaf	732	)
buyukesmeli	0:3a2f06aeceaf	733	{
buyukesmeli	0:3a2f06aeceaf	734	WORD n;
buyukesmeli	0:3a2f06aeceaf	735	FRESULT res;
buyukesmeli	0:3a2f06aeceaf	736
buyukesmeli	0:3a2f06aeceaf	737
buyukesmeli	0:3a2f06aeceaf	738	if (--i < _FS_LOCK) { /* Shift index number origin from 0 */
buyukesmeli	0:3a2f06aeceaf	739	n = Files[i].ctr;
buyukesmeli	0:3a2f06aeceaf	740	if (n == 0x100) n = 0; /* If write mode open, delete the entry */
buyukesmeli	0:3a2f06aeceaf	741	if (n) n--; /* Decrement read mode open count */
buyukesmeli	0:3a2f06aeceaf	742	Files[i].ctr = n;
buyukesmeli	0:3a2f06aeceaf	743	if (!n) Files[i].fs = 0; /* Delete the entry if open count gets zero */
buyukesmeli	0:3a2f06aeceaf	744	res = FR_OK;
buyukesmeli	0:3a2f06aeceaf	745	} else {
buyukesmeli	0:3a2f06aeceaf	746	res = FR_INT_ERR; /* Invalid index nunber */
buyukesmeli	0:3a2f06aeceaf	747	}
buyukesmeli	0:3a2f06aeceaf	748	return res;
buyukesmeli	0:3a2f06aeceaf	749	}
buyukesmeli	0:3a2f06aeceaf	750
buyukesmeli	0:3a2f06aeceaf	751
buyukesmeli	0:3a2f06aeceaf	752	static
buyukesmeli	0:3a2f06aeceaf	753	void clear_lock ( /* Clear lock entries of the volume */
buyukesmeli	0:3a2f06aeceaf	754	FATFS *fs
buyukesmeli	0:3a2f06aeceaf	755	)
buyukesmeli	0:3a2f06aeceaf	756	{
buyukesmeli	0:3a2f06aeceaf	757	UINT i;
buyukesmeli	0:3a2f06aeceaf	758
buyukesmeli	0:3a2f06aeceaf	759	for (i = 0; i < _FS_LOCK; i++) {
buyukesmeli	0:3a2f06aeceaf	760	if (Files[i].fs == fs) Files[i].fs = 0;
buyukesmeli	0:3a2f06aeceaf	761	}
buyukesmeli	0:3a2f06aeceaf	762	}
buyukesmeli	0:3a2f06aeceaf	763	#endif
buyukesmeli	0:3a2f06aeceaf	764
buyukesmeli	0:3a2f06aeceaf	765
buyukesmeli	0:3a2f06aeceaf	766
buyukesmeli	0:3a2f06aeceaf	767
buyukesmeli	0:3a2f06aeceaf	768	/-----------------------------------------------------------------------/
buyukesmeli	0:3a2f06aeceaf	769	/* Move/Flush disk access window in the file system object */
buyukesmeli	0:3a2f06aeceaf	770	/-----------------------------------------------------------------------/
buyukesmeli	0:3a2f06aeceaf	771	#if !_FS_READONLY
buyukesmeli	0:3a2f06aeceaf	772	static
buyukesmeli	0:3a2f06aeceaf	773	FRESULT sync_window (
buyukesmeli	0:3a2f06aeceaf	774	FATFS* fs /* File system object */
buyukesmeli	0:3a2f06aeceaf	775	)
buyukesmeli	0:3a2f06aeceaf	776	{
buyukesmeli	0:3a2f06aeceaf	777	DWORD wsect;
buyukesmeli	0:3a2f06aeceaf	778	UINT nf;
buyukesmeli	0:3a2f06aeceaf	779	FRESULT res = FR_OK;
buyukesmeli	0:3a2f06aeceaf	780
buyukesmeli	0:3a2f06aeceaf	781
buyukesmeli	0:3a2f06aeceaf	782	if (fs->wflag) { /* Write back the sector if it is dirty */
buyukesmeli	0:3a2f06aeceaf	783	wsect = fs->winsect; /* Current sector number */
buyukesmeli	0:3a2f06aeceaf	784	if (disk_write(fs->drv, fs->win.d8, wsect, 1) != RES_OK) {
buyukesmeli	0:3a2f06aeceaf	785	res = FR_DISK_ERR;
buyukesmeli	0:3a2f06aeceaf	786	} else {
buyukesmeli	0:3a2f06aeceaf	787	fs->wflag = 0;
buyukesmeli	0:3a2f06aeceaf	788	if (wsect - fs->fatbase < fs->fsize) { /* Is it in the FAT area? */
buyukesmeli	0:3a2f06aeceaf	789	for (nf = fs->n_fats; nf >= 2; nf--) { /* Reflect the change to all FAT copies */
buyukesmeli	0:3a2f06aeceaf	790	wsect += fs->fsize;
buyukesmeli	0:3a2f06aeceaf	791	disk_write(fs->drv, fs->win.d8, wsect, 1);
buyukesmeli	0:3a2f06aeceaf	792	}
buyukesmeli	0:3a2f06aeceaf	793	}
buyukesmeli	0:3a2f06aeceaf	794	}
buyukesmeli	0:3a2f06aeceaf	795	}
buyukesmeli	0:3a2f06aeceaf	796	return res;
buyukesmeli	0:3a2f06aeceaf	797	}
buyukesmeli	0:3a2f06aeceaf	798	#endif
buyukesmeli	0:3a2f06aeceaf	799
buyukesmeli	0:3a2f06aeceaf	800
buyukesmeli	0:3a2f06aeceaf	801	static
buyukesmeli	0:3a2f06aeceaf	802	FRESULT move_window (
buyukesmeli	0:3a2f06aeceaf	803	FATFS* fs, /* File system object */
buyukesmeli	0:3a2f06aeceaf	804	DWORD sector /* Sector number to make appearance in the fs->win[].d8 */
buyukesmeli	0:3a2f06aeceaf	805	)
buyukesmeli	0:3a2f06aeceaf	806	{
buyukesmeli	0:3a2f06aeceaf	807	FRESULT res = FR_OK;
buyukesmeli	0:3a2f06aeceaf	808
buyukesmeli	0:3a2f06aeceaf	809
buyukesmeli	0:3a2f06aeceaf	810	if (sector != fs->winsect) { /* Window offset changed? */
buyukesmeli	0:3a2f06aeceaf	811	#if !_FS_READONLY
buyukesmeli	0:3a2f06aeceaf	812	res = sync_window(fs); /* Write-back changes */
buyukesmeli	0:3a2f06aeceaf	813	#endif
buyukesmeli	0:3a2f06aeceaf	814	if (res == FR_OK) { /* Fill sector window with new data */
buyukesmeli	0:3a2f06aeceaf	815	if (disk_read(fs->drv, fs->win.d8, sector, 1) != RES_OK) {
buyukesmeli	0:3a2f06aeceaf	816	sector = 0xFFFFFFFF; /* Invalidate window if data is not reliable */
buyukesmeli	0:3a2f06aeceaf	817	res = FR_DISK_ERR;
buyukesmeli	0:3a2f06aeceaf	818	}
buyukesmeli	0:3a2f06aeceaf	819	fs->winsect = sector;
buyukesmeli	0:3a2f06aeceaf	820	}
buyukesmeli	0:3a2f06aeceaf	821	}
buyukesmeli	0:3a2f06aeceaf	822	return res;
buyukesmeli	0:3a2f06aeceaf	823	}
buyukesmeli	0:3a2f06aeceaf	824
buyukesmeli	0:3a2f06aeceaf	825
buyukesmeli	0:3a2f06aeceaf	826
buyukesmeli	0:3a2f06aeceaf	827
buyukesmeli	0:3a2f06aeceaf	828	/-----------------------------------------------------------------------/
buyukesmeli	0:3a2f06aeceaf	829	/* Synchronize file system and strage device */
buyukesmeli	0:3a2f06aeceaf	830	/-----------------------------------------------------------------------/
buyukesmeli	0:3a2f06aeceaf	831	#if !_FS_READONLY
buyukesmeli	0:3a2f06aeceaf	832	static
buyukesmeli	0:3a2f06aeceaf	833	FRESULT sync_fs ( /* FR_OK: successful, FR_DISK_ERR: failed */
buyukesmeli	0:3a2f06aeceaf	834	FATFS* fs /* File system object */
buyukesmeli	0:3a2f06aeceaf	835	)
buyukesmeli	0:3a2f06aeceaf	836	{
buyukesmeli	0:3a2f06aeceaf	837	FRESULT res;
buyukesmeli	0:3a2f06aeceaf	838
buyukesmeli	0:3a2f06aeceaf	839
buyukesmeli	0:3a2f06aeceaf	840	res = sync_window(fs);
buyukesmeli	0:3a2f06aeceaf	841	if (res == FR_OK) {
buyukesmeli	0:3a2f06aeceaf	842	/* Update FSINFO sector if needed */
buyukesmeli	0:3a2f06aeceaf	843	if (fs->fs_type == FS_FAT32 && fs->fsi_flag == 1) {
buyukesmeli	0:3a2f06aeceaf	844	/* Create FSINFO structure */
buyukesmeli	0:3a2f06aeceaf	845	mem_set(fs->win.d8, 0, SS(fs));
buyukesmeli	0:3a2f06aeceaf	846	ST_WORD(fs->win.d8 + BS_55AA, 0xAA55);
buyukesmeli	0:3a2f06aeceaf	847	ST_DWORD(fs->win.d8 + FSI_LeadSig, 0x41615252);
buyukesmeli	0:3a2f06aeceaf	848	ST_DWORD(fs->win.d8 + FSI_StrucSig, 0x61417272);
buyukesmeli	0:3a2f06aeceaf	849	ST_DWORD(fs->win.d8 + FSI_Free_Count, fs->free_clust);
buyukesmeli	0:3a2f06aeceaf	850	ST_DWORD(fs->win.d8 + FSI_Nxt_Free, fs->last_clust);
buyukesmeli	0:3a2f06aeceaf	851	/* Write it into the FSINFO sector */
buyukesmeli	0:3a2f06aeceaf	852	fs->winsect = fs->volbase + 1;
buyukesmeli	0:3a2f06aeceaf	853	disk_write(fs->drv, fs->win.d8, fs->winsect, 1);
buyukesmeli	0:3a2f06aeceaf	854	fs->fsi_flag = 0;
buyukesmeli	0:3a2f06aeceaf	855	}
buyukesmeli	0:3a2f06aeceaf	856	/* Make sure that no pending write process in the physical drive */
buyukesmeli	0:3a2f06aeceaf	857	if (disk_ioctl(fs->drv, CTRL_SYNC, 0) != RES_OK)
buyukesmeli	0:3a2f06aeceaf	858	res = FR_DISK_ERR;
buyukesmeli	0:3a2f06aeceaf	859	}
buyukesmeli	0:3a2f06aeceaf	860
buyukesmeli	0:3a2f06aeceaf	861	return res;
buyukesmeli	0:3a2f06aeceaf	862	}
buyukesmeli	0:3a2f06aeceaf	863	#endif
buyukesmeli	0:3a2f06aeceaf	864
buyukesmeli	0:3a2f06aeceaf	865
buyukesmeli	0:3a2f06aeceaf	866
buyukesmeli	0:3a2f06aeceaf	867
buyukesmeli	0:3a2f06aeceaf	868	/-----------------------------------------------------------------------/
buyukesmeli	0:3a2f06aeceaf	869	/* Get sector# from cluster# */
buyukesmeli	0:3a2f06aeceaf	870	/-----------------------------------------------------------------------/
buyukesmeli	0:3a2f06aeceaf	871	/* Hidden API for hacks and disk tools */
buyukesmeli	0:3a2f06aeceaf	872
buyukesmeli	0:3a2f06aeceaf	873	DWORD clust2sect ( /* !=0: Sector number, 0: Failed - invalid cluster# */
buyukesmeli	0:3a2f06aeceaf	874	FATFS* fs, /* File system object */
buyukesmeli	0:3a2f06aeceaf	875	DWORD clst /* Cluster# to be converted */
buyukesmeli	0:3a2f06aeceaf	876	)
buyukesmeli	0:3a2f06aeceaf	877	{
buyukesmeli	0:3a2f06aeceaf	878	clst -= 2;
buyukesmeli	0:3a2f06aeceaf	879	if (clst >= fs->n_fatent - 2) return 0; /* Invalid cluster# */
buyukesmeli	0:3a2f06aeceaf	880	return clst * fs->csize + fs->database;
buyukesmeli	0:3a2f06aeceaf	881	}
buyukesmeli	0:3a2f06aeceaf	882
buyukesmeli	0:3a2f06aeceaf	883
buyukesmeli	0:3a2f06aeceaf	884
buyukesmeli	0:3a2f06aeceaf	885
buyukesmeli	0:3a2f06aeceaf	886	/-----------------------------------------------------------------------/
buyukesmeli	0:3a2f06aeceaf	887	/* FAT access - Read value of a FAT entry */
buyukesmeli	0:3a2f06aeceaf	888	/-----------------------------------------------------------------------/
buyukesmeli	0:3a2f06aeceaf	889	/* Hidden API for hacks and disk tools */
buyukesmeli	0:3a2f06aeceaf	890
buyukesmeli	0:3a2f06aeceaf	891	DWORD get_fat ( /* 0xFFFFFFFF:Disk error, 1:Internal error, 2..0x0FFFFFFF:Cluster status */
buyukesmeli	0:3a2f06aeceaf	892	FATFS* fs, /* File system object */
buyukesmeli	0:3a2f06aeceaf	893	DWORD clst /* FAT index number (cluster number) to get the value */
buyukesmeli	0:3a2f06aeceaf	894	)
buyukesmeli	0:3a2f06aeceaf	895	{
buyukesmeli	0:3a2f06aeceaf	896	UINT wc, bc;
buyukesmeli	0:3a2f06aeceaf	897	BYTE *p;
buyukesmeli	0:3a2f06aeceaf	898	DWORD val;
buyukesmeli	0:3a2f06aeceaf	899
buyukesmeli	0:3a2f06aeceaf	900
buyukesmeli	0:3a2f06aeceaf	901	if (clst < 2 \|\| clst >= fs->n_fatent) { /* Check range */
buyukesmeli	0:3a2f06aeceaf	902	val = 1; /* Internal error */
buyukesmeli	0:3a2f06aeceaf	903
buyukesmeli	0:3a2f06aeceaf	904	} else {
buyukesmeli	0:3a2f06aeceaf	905	val = 0xFFFFFFFF; /* Default value falls on disk error */
buyukesmeli	0:3a2f06aeceaf	906
buyukesmeli	0:3a2f06aeceaf	907	switch (fs->fs_type) {
buyukesmeli	0:3a2f06aeceaf	908	case FS_FAT12 :
buyukesmeli	0:3a2f06aeceaf	909	bc = (UINT)clst; bc += bc / 2;
buyukesmeli	0:3a2f06aeceaf	910	if (move_window(fs, fs->fatbase + (bc / SS(fs))) != FR_OK) break;
buyukesmeli	0:3a2f06aeceaf	911	wc = fs->win.d8[bc++ % SS(fs)];
buyukesmeli	0:3a2f06aeceaf	912	if (move_window(fs, fs->fatbase + (bc / SS(fs))) != FR_OK) break;
buyukesmeli	0:3a2f06aeceaf	913	wc \|= fs->win.d8[bc % SS(fs)] << 8;
buyukesmeli	0:3a2f06aeceaf	914	val = clst & 1 ? wc >> 4 : (wc & 0xFFF);
buyukesmeli	0:3a2f06aeceaf	915	break;
buyukesmeli	0:3a2f06aeceaf	916
buyukesmeli	0:3a2f06aeceaf	917	case FS_FAT16 :
buyukesmeli	0:3a2f06aeceaf	918	if (move_window(fs, fs->fatbase + (clst / (SS(fs) / 2))) != FR_OK) break;
buyukesmeli	0:3a2f06aeceaf	919	p = &fs->win.d8[clst * 2 % SS(fs)];
buyukesmeli	0:3a2f06aeceaf	920	val = LD_WORD(p);
buyukesmeli	0:3a2f06aeceaf	921	break;
buyukesmeli	0:3a2f06aeceaf	922
buyukesmeli	0:3a2f06aeceaf	923	case FS_FAT32 :
buyukesmeli	0:3a2f06aeceaf	924	if (move_window(fs, fs->fatbase + (clst / (SS(fs) / 4))) != FR_OK) break;
buyukesmeli	0:3a2f06aeceaf	925	p = &fs->win.d8[clst * 4 % SS(fs)];
buyukesmeli	0:3a2f06aeceaf	926	val = LD_DWORD(p) & 0x0FFFFFFF;
buyukesmeli	0:3a2f06aeceaf	927	break;
buyukesmeli	0:3a2f06aeceaf	928
buyukesmeli	0:3a2f06aeceaf	929	default:
buyukesmeli	0:3a2f06aeceaf	930	val = 1; /* Internal error */
buyukesmeli	0:3a2f06aeceaf	931	}
buyukesmeli	0:3a2f06aeceaf	932	}
buyukesmeli	0:3a2f06aeceaf	933
buyukesmeli	0:3a2f06aeceaf	934	return val;
buyukesmeli	0:3a2f06aeceaf	935	}
buyukesmeli	0:3a2f06aeceaf	936
buyukesmeli	0:3a2f06aeceaf	937
buyukesmeli	0:3a2f06aeceaf	938
buyukesmeli	0:3a2f06aeceaf	939
buyukesmeli	0:3a2f06aeceaf	940	/-----------------------------------------------------------------------/
buyukesmeli	0:3a2f06aeceaf	941	/* FAT access - Change value of a FAT entry */
buyukesmeli	0:3a2f06aeceaf	942	/-----------------------------------------------------------------------/
buyukesmeli	0:3a2f06aeceaf	943	/* Hidden API for hacks and disk tools */
buyukesmeli	0:3a2f06aeceaf	944
buyukesmeli	0:3a2f06aeceaf	945	#if !_FS_READONLY
buyukesmeli	0:3a2f06aeceaf	946	FRESULT put_fat (
buyukesmeli	0:3a2f06aeceaf	947	FATFS* fs, /* File system object */
buyukesmeli	0:3a2f06aeceaf	948	DWORD clst, /* FAT index number (cluster number) to be changed */
buyukesmeli	0:3a2f06aeceaf	949	DWORD val /* New value to be set to the entry */
buyukesmeli	0:3a2f06aeceaf	950	)
buyukesmeli	0:3a2f06aeceaf	951	{
buyukesmeli	0:3a2f06aeceaf	952	UINT bc;
buyukesmeli	0:3a2f06aeceaf	953	BYTE *p;
buyukesmeli	0:3a2f06aeceaf	954	FRESULT res;
buyukesmeli	0:3a2f06aeceaf	955
buyukesmeli	0:3a2f06aeceaf	956
buyukesmeli	0:3a2f06aeceaf	957	if (clst < 2 \|\| clst >= fs->n_fatent) { /* Check range */
buyukesmeli	0:3a2f06aeceaf	958	res = FR_INT_ERR;
buyukesmeli	0:3a2f06aeceaf	959
buyukesmeli	0:3a2f06aeceaf	960	} else {
buyukesmeli	0:3a2f06aeceaf	961	switch (fs->fs_type) {
buyukesmeli	0:3a2f06aeceaf	962	case FS_FAT12 :
buyukesmeli	0:3a2f06aeceaf	963	bc = (UINT)clst; bc += bc / 2;
buyukesmeli	0:3a2f06aeceaf	964	res = move_window(fs, fs->fatbase + (bc / SS(fs)));
buyukesmeli	0:3a2f06aeceaf	965	if (res != FR_OK) break;
buyukesmeli	0:3a2f06aeceaf	966	p = &fs->win.d8[bc++ % SS(fs)];
buyukesmeli	0:3a2f06aeceaf	967	p = (clst & 1) ? ((p & 0x0F) \| ((BYTE)val << 4)) : (BYTE)val;
buyukesmeli	0:3a2f06aeceaf	968	fs->wflag = 1;
buyukesmeli	0:3a2f06aeceaf	969	res = move_window(fs, fs->fatbase + (bc / SS(fs)));
buyukesmeli	0:3a2f06aeceaf	970	if (res != FR_OK) break;
buyukesmeli	0:3a2f06aeceaf	971	p = &fs->win.d8[bc % SS(fs)];
buyukesmeli	0:3a2f06aeceaf	972	p = (clst & 1) ? (BYTE)(val >> 4) : ((p & 0xF0) \| ((BYTE)(val >> 8) & 0x0F));
buyukesmeli	0:3a2f06aeceaf	973	fs->wflag = 1;
buyukesmeli	0:3a2f06aeceaf	974	break;
buyukesmeli	0:3a2f06aeceaf	975
buyukesmeli	0:3a2f06aeceaf	976	case FS_FAT16 :
buyukesmeli	0:3a2f06aeceaf	977	res = move_window(fs, fs->fatbase + (clst / (SS(fs) / 2)));
buyukesmeli	0:3a2f06aeceaf	978	if (res != FR_OK) break;
buyukesmeli	0:3a2f06aeceaf	979	p = &fs->win.d8[clst * 2 % SS(fs)];
buyukesmeli	0:3a2f06aeceaf	980	ST_WORD(p, (WORD)val);
buyukesmeli	0:3a2f06aeceaf	981	fs->wflag = 1;
buyukesmeli	0:3a2f06aeceaf	982	break;
buyukesmeli	0:3a2f06aeceaf	983
buyukesmeli	0:3a2f06aeceaf	984	case FS_FAT32 :
buyukesmeli	0:3a2f06aeceaf	985	res = move_window(fs, fs->fatbase + (clst / (SS(fs) / 4)));
buyukesmeli	0:3a2f06aeceaf	986	if (res != FR_OK) break;
buyukesmeli	0:3a2f06aeceaf	987	p = &fs->win.d8[clst * 4 % SS(fs)];
buyukesmeli	0:3a2f06aeceaf	988	val \|= LD_DWORD(p) & 0xF0000000;
buyukesmeli	0:3a2f06aeceaf	989	ST_DWORD(p, val);
buyukesmeli	0:3a2f06aeceaf	990	fs->wflag = 1;
buyukesmeli	0:3a2f06aeceaf	991	break;
buyukesmeli	0:3a2f06aeceaf	992
buyukesmeli	0:3a2f06aeceaf	993	default :
buyukesmeli	0:3a2f06aeceaf	994	res = FR_INT_ERR;
buyukesmeli	0:3a2f06aeceaf	995	}
buyukesmeli	0:3a2f06aeceaf	996	}
buyukesmeli	0:3a2f06aeceaf	997
buyukesmeli	0:3a2f06aeceaf	998	return res;
buyukesmeli	0:3a2f06aeceaf	999	}
buyukesmeli	0:3a2f06aeceaf	1000	#endif /* !_FS_READONLY */
buyukesmeli	0:3a2f06aeceaf	1001
buyukesmeli	0:3a2f06aeceaf	1002
buyukesmeli	0:3a2f06aeceaf	1003
buyukesmeli	0:3a2f06aeceaf	1004
buyukesmeli	0:3a2f06aeceaf	1005	/-----------------------------------------------------------------------/
buyukesmeli	0:3a2f06aeceaf	1006	/* FAT handling - Remove a cluster chain */
buyukesmeli	0:3a2f06aeceaf	1007	/-----------------------------------------------------------------------/
buyukesmeli	0:3a2f06aeceaf	1008	#if !_FS_READONLY
buyukesmeli	0:3a2f06aeceaf	1009	static
buyukesmeli	0:3a2f06aeceaf	1010	FRESULT remove_chain (
buyukesmeli	0:3a2f06aeceaf	1011	FATFS* fs, /* File system object */
buyukesmeli	0:3a2f06aeceaf	1012	DWORD clst /* Cluster# to remove a chain from */
buyukesmeli	0:3a2f06aeceaf	1013	)
buyukesmeli	0:3a2f06aeceaf	1014	{
buyukesmeli	0:3a2f06aeceaf	1015	FRESULT res;
buyukesmeli	0:3a2f06aeceaf	1016	DWORD nxt;
buyukesmeli	0:3a2f06aeceaf	1017	#if _USE_TRIM
buyukesmeli	0:3a2f06aeceaf	1018	DWORD scl = clst, ecl = clst, rt[2];
buyukesmeli	0:3a2f06aeceaf	1019	#endif
buyukesmeli	0:3a2f06aeceaf	1020
buyukesmeli	0:3a2f06aeceaf	1021	if (clst < 2 \|\| clst >= fs->n_fatent) { /* Check range */
buyukesmeli	0:3a2f06aeceaf	1022	res = FR_INT_ERR;
buyukesmeli	0:3a2f06aeceaf	1023
buyukesmeli	0:3a2f06aeceaf	1024	} else {
buyukesmeli	0:3a2f06aeceaf	1025	res = FR_OK;
buyukesmeli	0:3a2f06aeceaf	1026	while (clst < fs->n_fatent) { /* Not a last link? */
buyukesmeli	0:3a2f06aeceaf	1027	nxt = get_fat(fs, clst); /* Get cluster status */
buyukesmeli	0:3a2f06aeceaf	1028	if (nxt == 0) break; /* Empty cluster? */
buyukesmeli	0:3a2f06aeceaf	1029	if (nxt == 1) { res = FR_INT_ERR; break; } /* Internal error? */
buyukesmeli	0:3a2f06aeceaf	1030	if (nxt == 0xFFFFFFFF) { res = FR_DISK_ERR; break; } /* Disk error? */
buyukesmeli	0:3a2f06aeceaf	1031	res = put_fat(fs, clst, 0); /* Mark the cluster "empty" */
buyukesmeli	0:3a2f06aeceaf	1032	if (res != FR_OK) break;
buyukesmeli	0:3a2f06aeceaf	1033	if (fs->free_clust != 0xFFFFFFFF) { /* Update FSINFO */
buyukesmeli	0:3a2f06aeceaf	1034	fs->free_clust++;
buyukesmeli	0:3a2f06aeceaf	1035	fs->fsi_flag \|= 1;
buyukesmeli	0:3a2f06aeceaf	1036	}
buyukesmeli	0:3a2f06aeceaf	1037	#if _USE_TRIM
buyukesmeli	0:3a2f06aeceaf	1038	if (ecl + 1 == nxt) { /* Is next cluster contiguous? */
buyukesmeli	0:3a2f06aeceaf	1039	ecl = nxt;
buyukesmeli	0:3a2f06aeceaf	1040	} else { /* End of contiguous clusters */
buyukesmeli	0:3a2f06aeceaf	1041	rt[0] = clust2sect(fs, scl); /* Start sector */
buyukesmeli	0:3a2f06aeceaf	1042	rt[1] = clust2sect(fs, ecl) + fs->csize - 1; /* End sector */
buyukesmeli	0:3a2f06aeceaf	1043	disk_ioctl(fs->drv, CTRL_TRIM, rt); /* Erase the block */
buyukesmeli	0:3a2f06aeceaf	1044	scl = ecl = nxt;
buyukesmeli	0:3a2f06aeceaf	1045	}
buyukesmeli	0:3a2f06aeceaf	1046	#endif
buyukesmeli	0:3a2f06aeceaf	1047	clst = nxt; /* Next cluster */
buyukesmeli	0:3a2f06aeceaf	1048	}
buyukesmeli	0:3a2f06aeceaf	1049	}
buyukesmeli	0:3a2f06aeceaf	1050
buyukesmeli	0:3a2f06aeceaf	1051	return res;
buyukesmeli	0:3a2f06aeceaf	1052	}
buyukesmeli	0:3a2f06aeceaf	1053	#endif
buyukesmeli	0:3a2f06aeceaf	1054
buyukesmeli	0:3a2f06aeceaf	1055
buyukesmeli	0:3a2f06aeceaf	1056
buyukesmeli	0:3a2f06aeceaf	1057
buyukesmeli	0:3a2f06aeceaf	1058	/-----------------------------------------------------------------------/
buyukesmeli	0:3a2f06aeceaf	1059	/* FAT handling - Stretch or Create a cluster chain */
buyukesmeli	0:3a2f06aeceaf	1060	/-----------------------------------------------------------------------/
buyukesmeli	0:3a2f06aeceaf	1061	#if !_FS_READONLY
buyukesmeli	0:3a2f06aeceaf	1062	static
buyukesmeli	0:3a2f06aeceaf	1063	DWORD create_chain ( /* 0:No free cluster, 1:Internal error, 0xFFFFFFFF:Disk error, >=2:New cluster# */
buyukesmeli	0:3a2f06aeceaf	1064	FATFS* fs, /* File system object */
buyukesmeli	0:3a2f06aeceaf	1065	DWORD clst /* Cluster# to stretch. 0 means create a new chain. */
buyukesmeli	0:3a2f06aeceaf	1066	)
buyukesmeli	0:3a2f06aeceaf	1067	{
buyukesmeli	0:3a2f06aeceaf	1068	DWORD cs, ncl, scl;
buyukesmeli	0:3a2f06aeceaf	1069	FRESULT res;
buyukesmeli	0:3a2f06aeceaf	1070
buyukesmeli	0:3a2f06aeceaf	1071
buyukesmeli	0:3a2f06aeceaf	1072	if (clst == 0) { /* Create a new chain */
buyukesmeli	0:3a2f06aeceaf	1073	scl = fs->last_clust; /* Get suggested start point */
buyukesmeli	0:3a2f06aeceaf	1074	if (!scl \|\| scl >= fs->n_fatent) scl = 1;
buyukesmeli	0:3a2f06aeceaf	1075	}
buyukesmeli	0:3a2f06aeceaf	1076	else { /* Stretch the current chain */
buyukesmeli	0:3a2f06aeceaf	1077	cs = get_fat(fs, clst); /* Check the cluster status */
buyukesmeli	0:3a2f06aeceaf	1078	if (cs < 2) return 1; /* Invalid value */
buyukesmeli	0:3a2f06aeceaf	1079	if (cs == 0xFFFFFFFF) return cs; /* A disk error occurred */
buyukesmeli	0:3a2f06aeceaf	1080	if (cs < fs->n_fatent) return cs; /* It is already followed by next cluster */
buyukesmeli	0:3a2f06aeceaf	1081	scl = clst;
buyukesmeli	0:3a2f06aeceaf	1082	}
buyukesmeli	0:3a2f06aeceaf	1083
buyukesmeli	0:3a2f06aeceaf	1084	ncl = scl; /* Start cluster */
buyukesmeli	0:3a2f06aeceaf	1085	for (;;) {
buyukesmeli	0:3a2f06aeceaf	1086	ncl++; /* Next cluster */
buyukesmeli	0:3a2f06aeceaf	1087	if (ncl >= fs->n_fatent) { /* Check wrap around */
buyukesmeli	0:3a2f06aeceaf	1088	ncl = 2;
buyukesmeli	0:3a2f06aeceaf	1089	if (ncl > scl) return 0; /* No free cluster */
buyukesmeli	0:3a2f06aeceaf	1090	}
buyukesmeli	0:3a2f06aeceaf	1091	cs = get_fat(fs, ncl); /* Get the cluster status */
buyukesmeli	0:3a2f06aeceaf	1092	if (cs == 0) break; /* Found a free cluster */
buyukesmeli	0:3a2f06aeceaf	1093	if (cs == 0xFFFFFFFF \|\| cs == 1)/* An error occurred */
buyukesmeli	0:3a2f06aeceaf	1094	return cs;
buyukesmeli	0:3a2f06aeceaf	1095	if (ncl == scl) return 0; /* No free cluster */
buyukesmeli	0:3a2f06aeceaf	1096	}
buyukesmeli	0:3a2f06aeceaf	1097
buyukesmeli	0:3a2f06aeceaf	1098	res = put_fat(fs, ncl, 0x0FFFFFFF); /* Mark the new cluster "last link" */
buyukesmeli	0:3a2f06aeceaf	1099	if (res == FR_OK && clst != 0) {
buyukesmeli	0:3a2f06aeceaf	1100	res = put_fat(fs, clst, ncl); /* Link it to the previous one if needed */
buyukesmeli	0:3a2f06aeceaf	1101	}
buyukesmeli	0:3a2f06aeceaf	1102	if (res == FR_OK) {
buyukesmeli	0:3a2f06aeceaf	1103	fs->last_clust = ncl; /* Update FSINFO */
buyukesmeli	0:3a2f06aeceaf	1104	if (fs->free_clust != 0xFFFFFFFF) {
buyukesmeli	0:3a2f06aeceaf	1105	fs->free_clust--;
buyukesmeli	0:3a2f06aeceaf	1106	fs->fsi_flag \|= 1;
buyukesmeli	0:3a2f06aeceaf	1107	}
buyukesmeli	0:3a2f06aeceaf	1108	} else {
buyukesmeli	0:3a2f06aeceaf	1109	ncl = (res == FR_DISK_ERR) ? 0xFFFFFFFF : 1;
buyukesmeli	0:3a2f06aeceaf	1110	}
buyukesmeli	0:3a2f06aeceaf	1111
buyukesmeli	0:3a2f06aeceaf	1112	return ncl; /* Return new cluster number or error code */
buyukesmeli	0:3a2f06aeceaf	1113	}
buyukesmeli	0:3a2f06aeceaf	1114	#endif /* !_FS_READONLY */
buyukesmeli	0:3a2f06aeceaf	1115
buyukesmeli	0:3a2f06aeceaf	1116
buyukesmeli	0:3a2f06aeceaf	1117
buyukesmeli	0:3a2f06aeceaf	1118
buyukesmeli	0:3a2f06aeceaf	1119	/-----------------------------------------------------------------------/
buyukesmeli	0:3a2f06aeceaf	1120	/* FAT handling - Convert offset into cluster with link map table */
buyukesmeli	0:3a2f06aeceaf	1121	/-----------------------------------------------------------------------/
buyukesmeli	0:3a2f06aeceaf	1122
buyukesmeli	0:3a2f06aeceaf	1123	#if _USE_FASTSEEK
buyukesmeli	0:3a2f06aeceaf	1124	static
buyukesmeli	0:3a2f06aeceaf	1125	DWORD clmt_clust ( /* <2:Error, >=2:Cluster number */
buyukesmeli	0:3a2f06aeceaf	1126	FIL* fp, /* Pointer to the file object */
buyukesmeli	0:3a2f06aeceaf	1127	DWORD ofs /* File offset to be converted to cluster# */
buyukesmeli	0:3a2f06aeceaf	1128	)
buyukesmeli	0:3a2f06aeceaf	1129	{
buyukesmeli	0:3a2f06aeceaf	1130	DWORD cl, ncl, *tbl;
buyukesmeli	0:3a2f06aeceaf	1131
buyukesmeli	0:3a2f06aeceaf	1132
buyukesmeli	0:3a2f06aeceaf	1133	tbl = fp->cltbl + 1; /* Top of CLMT */
buyukesmeli	0:3a2f06aeceaf	1134	cl = ofs / SS(fp->fs) / fp->fs->csize; /* Cluster order from top of the file */
buyukesmeli	0:3a2f06aeceaf	1135	for (;;) {
buyukesmeli	0:3a2f06aeceaf	1136	ncl = tbl++; / Number of cluters in the fragment */
buyukesmeli	0:3a2f06aeceaf	1137	if (!ncl) return 0; /* End of table? (error) */
buyukesmeli	0:3a2f06aeceaf	1138	if (cl < ncl) break; /* In this fragment? */
buyukesmeli	0:3a2f06aeceaf	1139	cl -= ncl; tbl++; /* Next fragment */
buyukesmeli	0:3a2f06aeceaf	1140	}
buyukesmeli	0:3a2f06aeceaf	1141	return cl + tbl; / Return the cluster number */
buyukesmeli	0:3a2f06aeceaf	1142	}
buyukesmeli	0:3a2f06aeceaf	1143	#endif /* _USE_FASTSEEK */
buyukesmeli	0:3a2f06aeceaf	1144
buyukesmeli	0:3a2f06aeceaf	1145
buyukesmeli	0:3a2f06aeceaf	1146
buyukesmeli	0:3a2f06aeceaf	1147
buyukesmeli	0:3a2f06aeceaf	1148	/-----------------------------------------------------------------------/
buyukesmeli	0:3a2f06aeceaf	1149	/* Directory handling - Set directory index */
buyukesmeli	0:3a2f06aeceaf	1150	/-----------------------------------------------------------------------/
buyukesmeli	0:3a2f06aeceaf	1151
buyukesmeli	0:3a2f06aeceaf	1152	static
buyukesmeli	0:3a2f06aeceaf	1153	FRESULT dir_sdi (
buyukesmeli	0:3a2f06aeceaf	1154	DIR_* dp, /* Pointer to directory object */
buyukesmeli	0:3a2f06aeceaf	1155	UINT idx /* Index of directory table */
buyukesmeli	0:3a2f06aeceaf	1156	)
buyukesmeli	0:3a2f06aeceaf	1157	{
buyukesmeli	0:3a2f06aeceaf	1158	DWORD clst, sect;
buyukesmeli	0:3a2f06aeceaf	1159	UINT ic;
buyukesmeli	0:3a2f06aeceaf	1160
buyukesmeli	0:3a2f06aeceaf	1161
buyukesmeli	0:3a2f06aeceaf	1162	dp->index = (WORD)idx; /* Current index */
buyukesmeli	0:3a2f06aeceaf	1163	clst = dp->sclust; /* Table start cluster (0:root) */
buyukesmeli	0:3a2f06aeceaf	1164	if (clst == 1 \|\| clst >= dp->fs->n_fatent) /* Check start cluster range */
buyukesmeli	0:3a2f06aeceaf	1165	return FR_INT_ERR;
buyukesmeli	0:3a2f06aeceaf	1166	if (!clst && dp->fs->fs_type == FS_FAT32) /* Replace cluster# 0 with root cluster# if in FAT32 */
buyukesmeli	0:3a2f06aeceaf	1167	clst = dp->fs->dirbase;
buyukesmeli	0:3a2f06aeceaf	1168
buyukesmeli	0:3a2f06aeceaf	1169	if (clst == 0) { /* Static table (root-directory in FAT12/16) */
buyukesmeli	0:3a2f06aeceaf	1170	if (idx >= dp->fs->n_rootdir) /* Is index out of range? */
buyukesmeli	0:3a2f06aeceaf	1171	return FR_INT_ERR;
buyukesmeli	0:3a2f06aeceaf	1172	sect = dp->fs->dirbase;
buyukesmeli	0:3a2f06aeceaf	1173	}
buyukesmeli	0:3a2f06aeceaf	1174	else { /* Dynamic table (root-directory in FAT32 or sub-directory) */
buyukesmeli	0:3a2f06aeceaf	1175	ic = SS(dp->fs) / SZ_DIRE * dp->fs->csize; /* Entries per cluster */
buyukesmeli	0:3a2f06aeceaf	1176	while (idx >= ic) { /* Follow cluster chain */
buyukesmeli	0:3a2f06aeceaf	1177	clst = get_fat(dp->fs, clst); /* Get next cluster */
buyukesmeli	0:3a2f06aeceaf	1178	if (clst == 0xFFFFFFFF) return FR_DISK_ERR; /* Disk error */
buyukesmeli	0:3a2f06aeceaf	1179	if (clst < 2 \|\| clst >= dp->fs->n_fatent) /* Reached to end of table or internal error */
buyukesmeli	0:3a2f06aeceaf	1180	return FR_INT_ERR;
buyukesmeli	0:3a2f06aeceaf	1181	idx -= ic;
buyukesmeli	0:3a2f06aeceaf	1182	}
buyukesmeli	0:3a2f06aeceaf	1183	sect = clust2sect(dp->fs, clst);
buyukesmeli	0:3a2f06aeceaf	1184	}
buyukesmeli	0:3a2f06aeceaf	1185	dp->clust = clst; /* Current cluster# */
buyukesmeli	0:3a2f06aeceaf	1186	if (!sect) return FR_INT_ERR;
buyukesmeli	0:3a2f06aeceaf	1187	dp->sect = sect + idx / (SS(dp->fs) / SZ_DIRE); /* Sector# of the directory entry */
buyukesmeli	0:3a2f06aeceaf	1188	dp->dir = dp->fs->win.d8 + (idx % (SS(dp->fs) / SZ_DIRE)) * SZ_DIRE; /* Ptr to the entry in the sector */
buyukesmeli	0:3a2f06aeceaf	1189
buyukesmeli	0:3a2f06aeceaf	1190	return FR_OK;
buyukesmeli	0:3a2f06aeceaf	1191	}
buyukesmeli	0:3a2f06aeceaf	1192
buyukesmeli	0:3a2f06aeceaf	1193
buyukesmeli	0:3a2f06aeceaf	1194
buyukesmeli	0:3a2f06aeceaf	1195
buyukesmeli	0:3a2f06aeceaf	1196	/-----------------------------------------------------------------------/
buyukesmeli	0:3a2f06aeceaf	1197	/* Directory handling - Move directory table index next */
buyukesmeli	0:3a2f06aeceaf	1198	/-----------------------------------------------------------------------/
buyukesmeli	0:3a2f06aeceaf	1199
buyukesmeli	0:3a2f06aeceaf	1200	static
buyukesmeli	0:3a2f06aeceaf	1201	FRESULT dir_next ( /* FR_OK:Succeeded, FR_NO_FILE:End of table, FR_DENIED:Could not stretch */
buyukesmeli	0:3a2f06aeceaf	1202	DIR_* dp, /* Pointer to the directory object */
buyukesmeli	0:3a2f06aeceaf	1203	int stretch /* 0: Do not stretch table, 1: Stretch table if needed */
buyukesmeli	0:3a2f06aeceaf	1204	)
buyukesmeli	0:3a2f06aeceaf	1205	{
buyukesmeli	0:3a2f06aeceaf	1206	DWORD clst;
buyukesmeli	0:3a2f06aeceaf	1207	UINT i;
buyukesmeli	0:3a2f06aeceaf	1208	#if !_FS_READONLY
buyukesmeli	0:3a2f06aeceaf	1209	UINT c;
buyukesmeli	0:3a2f06aeceaf	1210	#endif
buyukesmeli	0:3a2f06aeceaf	1211
buyukesmeli	0:3a2f06aeceaf	1212
buyukesmeli	0:3a2f06aeceaf	1213	i = dp->index + 1;
buyukesmeli	0:3a2f06aeceaf	1214	if (!(i & 0xFFFF) \|\| !dp->sect) /* Report EOT when index has reached 65535 */
buyukesmeli	0:3a2f06aeceaf	1215	return FR_NO_FILE;
buyukesmeli	0:3a2f06aeceaf	1216
buyukesmeli	0:3a2f06aeceaf	1217	if (!(i % (SS(dp->fs) / SZ_DIRE))) { /* Sector changed? */
buyukesmeli	0:3a2f06aeceaf	1218	dp->sect++; /* Next sector */
buyukesmeli	0:3a2f06aeceaf	1219
buyukesmeli	0:3a2f06aeceaf	1220	if (!dp->clust) { /* Static table */
buyukesmeli	0:3a2f06aeceaf	1221	if (i >= dp->fs->n_rootdir) /* Report EOT if it reached end of static table */
buyukesmeli	0:3a2f06aeceaf	1222	return FR_NO_FILE;
buyukesmeli	0:3a2f06aeceaf	1223	}
buyukesmeli	0:3a2f06aeceaf	1224	else { /* Dynamic table */
buyukesmeli	0:3a2f06aeceaf	1225	if (((i / (SS(dp->fs) / SZ_DIRE)) & (dp->fs->csize - 1)) == 0) { /* Cluster changed? */
buyukesmeli	0:3a2f06aeceaf	1226	clst = get_fat(dp->fs, dp->clust); /* Get next cluster */
buyukesmeli	0:3a2f06aeceaf	1227	if (clst <= 1) return FR_INT_ERR;
buyukesmeli	0:3a2f06aeceaf	1228	if (clst == 0xFFFFFFFF) return FR_DISK_ERR;
buyukesmeli	0:3a2f06aeceaf	1229	if (clst >= dp->fs->n_fatent) { /* If it reached end of dynamic table, */
buyukesmeli	0:3a2f06aeceaf	1230	#if !_FS_READONLY
buyukesmeli	0:3a2f06aeceaf	1231	if (!stretch) return FR_NO_FILE; /* If do not stretch, report EOT */
buyukesmeli	0:3a2f06aeceaf	1232	clst = create_chain(dp->fs, dp->clust); /* Stretch cluster chain */
buyukesmeli	0:3a2f06aeceaf	1233	if (clst == 0) return FR_DENIED; /* No free cluster */
buyukesmeli	0:3a2f06aeceaf	1234	if (clst == 1) return FR_INT_ERR;
buyukesmeli	0:3a2f06aeceaf	1235	if (clst == 0xFFFFFFFF) return FR_DISK_ERR;
buyukesmeli	0:3a2f06aeceaf	1236	/* Clean-up stretched table */
buyukesmeli	0:3a2f06aeceaf	1237	if (sync_window(dp->fs)) return FR_DISK_ERR;/* Flush disk access window */
buyukesmeli	0:3a2f06aeceaf	1238	mem_set(dp->fs->win.d8, 0, SS(dp->fs)); /* Clear window buffer */
buyukesmeli	0:3a2f06aeceaf	1239	dp->fs->winsect = clust2sect(dp->fs, clst); /* Cluster start sector */
buyukesmeli	0:3a2f06aeceaf	1240	for (c = 0; c < dp->fs->csize; c++) { /* Fill the new cluster with 0 */
buyukesmeli	0:3a2f06aeceaf	1241	dp->fs->wflag = 1;
buyukesmeli	0:3a2f06aeceaf	1242	if (sync_window(dp->fs)) return FR_DISK_ERR;
buyukesmeli	0:3a2f06aeceaf	1243	dp->fs->winsect++;
buyukesmeli	0:3a2f06aeceaf	1244	}
buyukesmeli	0:3a2f06aeceaf	1245	dp->fs->winsect -= c; /* Rewind window offset */
buyukesmeli	0:3a2f06aeceaf	1246	#else
buyukesmeli	0:3a2f06aeceaf	1247	if (!stretch) return FR_NO_FILE; /* If do not stretch, report EOT (this is to suppress warning) */
buyukesmeli	0:3a2f06aeceaf	1248	return FR_NO_FILE; /* Report EOT */
buyukesmeli	0:3a2f06aeceaf	1249	#endif
buyukesmeli	0:3a2f06aeceaf	1250	}
buyukesmeli	0:3a2f06aeceaf	1251	dp->clust = clst; /* Initialize data for new cluster */
buyukesmeli	0:3a2f06aeceaf	1252	dp->sect = clust2sect(dp->fs, clst);
buyukesmeli	0:3a2f06aeceaf	1253	}
buyukesmeli	0:3a2f06aeceaf	1254	}
buyukesmeli	0:3a2f06aeceaf	1255	}
buyukesmeli	0:3a2f06aeceaf	1256
buyukesmeli	0:3a2f06aeceaf	1257	dp->index = (WORD)i; /* Current index */
buyukesmeli	0:3a2f06aeceaf	1258	dp->dir = dp->fs->win.d8 + (i % (SS(dp->fs) / SZ_DIRE)) * SZ_DIRE; /* Current entry in the window */
buyukesmeli	0:3a2f06aeceaf	1259
buyukesmeli	0:3a2f06aeceaf	1260	return FR_OK;
buyukesmeli	0:3a2f06aeceaf	1261	}
buyukesmeli	0:3a2f06aeceaf	1262
buyukesmeli	0:3a2f06aeceaf	1263
buyukesmeli	0:3a2f06aeceaf	1264
buyukesmeli	0:3a2f06aeceaf	1265
buyukesmeli	0:3a2f06aeceaf	1266	/-----------------------------------------------------------------------/
buyukesmeli	0:3a2f06aeceaf	1267	/* Directory handling - Reserve directory entry */
buyukesmeli	0:3a2f06aeceaf	1268	/-----------------------------------------------------------------------/
buyukesmeli	0:3a2f06aeceaf	1269
buyukesmeli	0:3a2f06aeceaf	1270	#if !_FS_READONLY
buyukesmeli	0:3a2f06aeceaf	1271	static
buyukesmeli	0:3a2f06aeceaf	1272	FRESULT dir_alloc (
buyukesmeli	0:3a2f06aeceaf	1273	DIR_* dp, /* Pointer to the directory object */
buyukesmeli	0:3a2f06aeceaf	1274	UINT nent /* Number of contiguous entries to allocate (1-21) */
buyukesmeli	0:3a2f06aeceaf	1275	)
buyukesmeli	0:3a2f06aeceaf	1276	{
buyukesmeli	0:3a2f06aeceaf	1277	FRESULT res;
buyukesmeli	0:3a2f06aeceaf	1278	UINT n;
buyukesmeli	0:3a2f06aeceaf	1279
buyukesmeli	0:3a2f06aeceaf	1280
buyukesmeli	0:3a2f06aeceaf	1281	res = dir_sdi(dp, 0);
buyukesmeli	0:3a2f06aeceaf	1282	if (res == FR_OK) {
buyukesmeli	0:3a2f06aeceaf	1283	n = 0;
buyukesmeli	0:3a2f06aeceaf	1284	do {
buyukesmeli	0:3a2f06aeceaf	1285	res = move_window(dp->fs, dp->sect);
buyukesmeli	0:3a2f06aeceaf	1286	if (res != FR_OK) break;
buyukesmeli	0:3a2f06aeceaf	1287	if (dp->dir[0] == DDEM \|\| dp->dir[0] == 0) { /* Is it a free entry? */
buyukesmeli	0:3a2f06aeceaf	1288	if (++n == nent) break; /* A block of contiguous free entries is found */
buyukesmeli	0:3a2f06aeceaf	1289	} else {
buyukesmeli	0:3a2f06aeceaf	1290	n = 0; /* Not a blank entry. Restart to search */
buyukesmeli	0:3a2f06aeceaf	1291	}
buyukesmeli	0:3a2f06aeceaf	1292	res = dir_next(dp, 1); /* Next entry with table stretch enabled */
buyukesmeli	0:3a2f06aeceaf	1293	} while (res == FR_OK);
buyukesmeli	0:3a2f06aeceaf	1294	}
buyukesmeli	0:3a2f06aeceaf	1295	if (res == FR_NO_FILE) res = FR_DENIED; /* No directory entry to allocate */
buyukesmeli	0:3a2f06aeceaf	1296	return res;
buyukesmeli	0:3a2f06aeceaf	1297	}
buyukesmeli	0:3a2f06aeceaf	1298	#endif
buyukesmeli	0:3a2f06aeceaf	1299
buyukesmeli	0:3a2f06aeceaf	1300
buyukesmeli	0:3a2f06aeceaf	1301
buyukesmeli	0:3a2f06aeceaf	1302
buyukesmeli	0:3a2f06aeceaf	1303	/-----------------------------------------------------------------------/
buyukesmeli	0:3a2f06aeceaf	1304	/* Directory handling - Load/Store start cluster number */
buyukesmeli	0:3a2f06aeceaf	1305	/-----------------------------------------------------------------------/
buyukesmeli	0:3a2f06aeceaf	1306
buyukesmeli	0:3a2f06aeceaf	1307	static
buyukesmeli	0:3a2f06aeceaf	1308	DWORD ld_clust (
buyukesmeli	0:3a2f06aeceaf	1309	FATFS* fs, /* Pointer to the fs object */
buyukesmeli	0:3a2f06aeceaf	1310	BYTE* dir /* Pointer to the directory entry */
buyukesmeli	0:3a2f06aeceaf	1311	)
buyukesmeli	0:3a2f06aeceaf	1312	{
buyukesmeli	0:3a2f06aeceaf	1313	DWORD cl;
buyukesmeli	0:3a2f06aeceaf	1314
buyukesmeli	0:3a2f06aeceaf	1315	cl = LD_WORD(dir + DIR_FstClusLO);
buyukesmeli	0:3a2f06aeceaf	1316	if (fs->fs_type == FS_FAT32)
buyukesmeli	0:3a2f06aeceaf	1317	cl \|= (DWORD)LD_WORD(dir + DIR_FstClusHI) << 16;
buyukesmeli	0:3a2f06aeceaf	1318
buyukesmeli	0:3a2f06aeceaf	1319	return cl;
buyukesmeli	0:3a2f06aeceaf	1320	}
buyukesmeli	0:3a2f06aeceaf	1321
buyukesmeli	0:3a2f06aeceaf	1322
buyukesmeli	0:3a2f06aeceaf	1323	#if !_FS_READONLY
buyukesmeli	0:3a2f06aeceaf	1324	static
buyukesmeli	0:3a2f06aeceaf	1325	void st_clust (
buyukesmeli	0:3a2f06aeceaf	1326	BYTE* dir, /* Pointer to the directory entry */
buyukesmeli	0:3a2f06aeceaf	1327	DWORD cl /* Value to be set */
buyukesmeli	0:3a2f06aeceaf	1328	)
buyukesmeli	0:3a2f06aeceaf	1329	{
buyukesmeli	0:3a2f06aeceaf	1330	ST_WORD(dir + DIR_FstClusLO, cl);
buyukesmeli	0:3a2f06aeceaf	1331	ST_WORD(dir + DIR_FstClusHI, cl >> 16);
buyukesmeli	0:3a2f06aeceaf	1332	}
buyukesmeli	0:3a2f06aeceaf	1333	#endif
buyukesmeli	0:3a2f06aeceaf	1334
buyukesmeli	0:3a2f06aeceaf	1335
buyukesmeli	0:3a2f06aeceaf	1336
buyukesmeli	0:3a2f06aeceaf	1337
buyukesmeli	0:3a2f06aeceaf	1338	/-----------------------------------------------------------------------/
buyukesmeli	0:3a2f06aeceaf	1339	/* LFN handling - Test/Pick/Fit an LFN segment from/to directory entry */
buyukesmeli	0:3a2f06aeceaf	1340	/-----------------------------------------------------------------------/
buyukesmeli	0:3a2f06aeceaf	1341	#if _USE_LFN
buyukesmeli	0:3a2f06aeceaf	1342	static
buyukesmeli	0:3a2f06aeceaf	1343	const BYTE LfnOfs[] = {1,3,5,7,9,14,16,18,20,22,24,28,30}; /* Offset of LFN characters in the directory entry */
buyukesmeli	0:3a2f06aeceaf	1344
buyukesmeli	0:3a2f06aeceaf	1345
buyukesmeli	0:3a2f06aeceaf	1346	static
buyukesmeli	0:3a2f06aeceaf	1347	int cmp_lfn ( /* 1:Matched, 0:Not matched */
buyukesmeli	0:3a2f06aeceaf	1348	WCHAR* lfnbuf, /* Pointer to the LFN to be compared */
buyukesmeli	0:3a2f06aeceaf	1349	BYTE* dir /* Pointer to the directory entry containing a part of LFN */
buyukesmeli	0:3a2f06aeceaf	1350	)
buyukesmeli	0:3a2f06aeceaf	1351	{
buyukesmeli	0:3a2f06aeceaf	1352	UINT i, s;
buyukesmeli	0:3a2f06aeceaf	1353	WCHAR wc, uc;
buyukesmeli	0:3a2f06aeceaf	1354
buyukesmeli	0:3a2f06aeceaf	1355
buyukesmeli	0:3a2f06aeceaf	1356	i = ((dir[LDIR_Ord] & ~LLEF) - 1) * 13; /* Get offset in the LFN buffer */
buyukesmeli	0:3a2f06aeceaf	1357	s = 0; wc = 1;
buyukesmeli	0:3a2f06aeceaf	1358	do {
buyukesmeli	0:3a2f06aeceaf	1359	uc = LD_WORD(dir + LfnOfs[s]); /* Pick an LFN character from the entry */
buyukesmeli	0:3a2f06aeceaf	1360	if (wc) { /* Last character has not been processed */
buyukesmeli	0:3a2f06aeceaf	1361	wc = ff_wtoupper(uc); /* Convert it to upper case */
buyukesmeli	0:3a2f06aeceaf	1362	if (i >= _MAX_LFN \|\| wc != ff_wtoupper(lfnbuf[i++])) /* Compare it */
buyukesmeli	0:3a2f06aeceaf	1363	return 0; /* Not matched */
buyukesmeli	0:3a2f06aeceaf	1364	} else {
buyukesmeli	0:3a2f06aeceaf	1365	if (uc != 0xFFFF) return 0; /* Check filler */
buyukesmeli	0:3a2f06aeceaf	1366	}
buyukesmeli	0:3a2f06aeceaf	1367	} while (++s < 13); /* Repeat until all characters in the entry are checked */
buyukesmeli	0:3a2f06aeceaf	1368
buyukesmeli	0:3a2f06aeceaf	1369	if ((dir[LDIR_Ord] & LLEF) && wc && lfnbuf[i]) /* Last segment matched but different length */
buyukesmeli	0:3a2f06aeceaf	1370	return 0;
buyukesmeli	0:3a2f06aeceaf	1371
buyukesmeli	0:3a2f06aeceaf	1372	return 1; /* The part of LFN matched */
buyukesmeli	0:3a2f06aeceaf	1373	}
buyukesmeli	0:3a2f06aeceaf	1374
buyukesmeli	0:3a2f06aeceaf	1375
buyukesmeli	0:3a2f06aeceaf	1376
buyukesmeli	0:3a2f06aeceaf	1377	static
buyukesmeli	0:3a2f06aeceaf	1378	int pick_lfn ( /* 1:Succeeded, 0:Buffer overflow */
buyukesmeli	0:3a2f06aeceaf	1379	WCHAR* lfnbuf, /* Pointer to the Unicode-LFN buffer */
buyukesmeli	0:3a2f06aeceaf	1380	BYTE* dir /* Pointer to the directory entry */
buyukesmeli	0:3a2f06aeceaf	1381	)
buyukesmeli	0:3a2f06aeceaf	1382	{
buyukesmeli	0:3a2f06aeceaf	1383	UINT i, s;
buyukesmeli	0:3a2f06aeceaf	1384	WCHAR wc, uc;
buyukesmeli	0:3a2f06aeceaf	1385
buyukesmeli	0:3a2f06aeceaf	1386
buyukesmeli	0:3a2f06aeceaf	1387	i = ((dir[LDIR_Ord] & 0x3F) - 1) * 13; /* Offset in the LFN buffer */
buyukesmeli	0:3a2f06aeceaf	1388
buyukesmeli	0:3a2f06aeceaf	1389	s = 0; wc = 1;
buyukesmeli	0:3a2f06aeceaf	1390	do {
buyukesmeli	0:3a2f06aeceaf	1391	uc = LD_WORD(dir + LfnOfs[s]); /* Pick an LFN character from the entry */
buyukesmeli	0:3a2f06aeceaf	1392	if (wc) { /* Last character has not been processed */
buyukesmeli	0:3a2f06aeceaf	1393	if (i >= _MAX_LFN) return 0; /* Buffer overflow? */
buyukesmeli	0:3a2f06aeceaf	1394	lfnbuf[i++] = wc = uc; /* Store it */
buyukesmeli	0:3a2f06aeceaf	1395	} else {
buyukesmeli	0:3a2f06aeceaf	1396	if (uc != 0xFFFF) return 0; /* Check filler */
buyukesmeli	0:3a2f06aeceaf	1397	}
buyukesmeli	0:3a2f06aeceaf	1398	} while (++s < 13); /* Read all character in the entry */
buyukesmeli	0:3a2f06aeceaf	1399
buyukesmeli	0:3a2f06aeceaf	1400	if (dir[LDIR_Ord] & LLEF) { /* Put terminator if it is the last LFN part */
buyukesmeli	0:3a2f06aeceaf	1401	if (i >= _MAX_LFN) return 0; /* Buffer overflow? */
buyukesmeli	0:3a2f06aeceaf	1402	lfnbuf[i] = 0;
buyukesmeli	0:3a2f06aeceaf	1403	}
buyukesmeli	0:3a2f06aeceaf	1404
buyukesmeli	0:3a2f06aeceaf	1405	return 1;
buyukesmeli	0:3a2f06aeceaf	1406	}
buyukesmeli	0:3a2f06aeceaf	1407
buyukesmeli	0:3a2f06aeceaf	1408
buyukesmeli	0:3a2f06aeceaf	1409	#if !_FS_READONLY
buyukesmeli	0:3a2f06aeceaf	1410	static
buyukesmeli	0:3a2f06aeceaf	1411	void fit_lfn (
buyukesmeli	0:3a2f06aeceaf	1412	const WCHAR* lfnbuf, /* Pointer to the LFN buffer */
buyukesmeli	0:3a2f06aeceaf	1413	BYTE* dir, /* Pointer to the directory entry */
buyukesmeli	0:3a2f06aeceaf	1414	BYTE ord, /* LFN order (1-20) */
buyukesmeli	0:3a2f06aeceaf	1415	BYTE sum /* SFN sum */
buyukesmeli	0:3a2f06aeceaf	1416	)
buyukesmeli	0:3a2f06aeceaf	1417	{
buyukesmeli	0:3a2f06aeceaf	1418	UINT i, s;
buyukesmeli	0:3a2f06aeceaf	1419	WCHAR wc;
buyukesmeli	0:3a2f06aeceaf	1420
buyukesmeli	0:3a2f06aeceaf	1421
buyukesmeli	0:3a2f06aeceaf	1422	dir[LDIR_Chksum] = sum; /* Set check sum */
buyukesmeli	0:3a2f06aeceaf	1423	dir[LDIR_Attr] = AM_LFN; /* Set attribute. LFN entry */
buyukesmeli	0:3a2f06aeceaf	1424	dir[LDIR_Type] = 0;
buyukesmeli	0:3a2f06aeceaf	1425	ST_WORD(dir + LDIR_FstClusLO, 0);
buyukesmeli	0:3a2f06aeceaf	1426
buyukesmeli	0:3a2f06aeceaf	1427	i = (ord - 1) * 13; /* Get offset in the LFN buffer */
buyukesmeli	0:3a2f06aeceaf	1428	s = wc = 0;
buyukesmeli	0:3a2f06aeceaf	1429	do {
buyukesmeli	0:3a2f06aeceaf	1430	if (wc != 0xFFFF) wc = lfnbuf[i++]; /* Get an effective character */
buyukesmeli	0:3a2f06aeceaf	1431	ST_WORD(dir+LfnOfs[s], wc); /* Put it */
buyukesmeli	0:3a2f06aeceaf	1432	if (!wc) wc = 0xFFFF; /* Padding characters following last character */
buyukesmeli	0:3a2f06aeceaf	1433	} while (++s < 13);
buyukesmeli	0:3a2f06aeceaf	1434	if (wc == 0xFFFF \|\| !lfnbuf[i]) ord \|= LLEF; /* Bottom LFN part is the start of LFN sequence */
buyukesmeli	0:3a2f06aeceaf	1435	dir[LDIR_Ord] = ord; /* Set the LFN order */
buyukesmeli	0:3a2f06aeceaf	1436	}
buyukesmeli	0:3a2f06aeceaf	1437
buyukesmeli	0:3a2f06aeceaf	1438	#endif
buyukesmeli	0:3a2f06aeceaf	1439	#endif
buyukesmeli	0:3a2f06aeceaf	1440
buyukesmeli	0:3a2f06aeceaf	1441
buyukesmeli	0:3a2f06aeceaf	1442
buyukesmeli	0:3a2f06aeceaf	1443
buyukesmeli	0:3a2f06aeceaf	1444	/-----------------------------------------------------------------------/
buyukesmeli	0:3a2f06aeceaf	1445	/* Create numbered name */
buyukesmeli	0:3a2f06aeceaf	1446	/-----------------------------------------------------------------------/
buyukesmeli	0:3a2f06aeceaf	1447	#if _USE_LFN
buyukesmeli	0:3a2f06aeceaf	1448	static
buyukesmeli	0:3a2f06aeceaf	1449	void gen_numname (
buyukesmeli	0:3a2f06aeceaf	1450	BYTE* dst, /* Pointer to the buffer to store numbered SFN */
buyukesmeli	0:3a2f06aeceaf	1451	const BYTE* src, /* Pointer to SFN */
buyukesmeli	0:3a2f06aeceaf	1452	const WCHAR* lfn, /* Pointer to LFN */
buyukesmeli	0:3a2f06aeceaf	1453	UINT seq /* Sequence number */
buyukesmeli	0:3a2f06aeceaf	1454	)
buyukesmeli	0:3a2f06aeceaf	1455	{
buyukesmeli	0:3a2f06aeceaf	1456	BYTE ns[8], c;
buyukesmeli	0:3a2f06aeceaf	1457	UINT i, j;
buyukesmeli	0:3a2f06aeceaf	1458	WCHAR wc;
buyukesmeli	0:3a2f06aeceaf	1459	DWORD sr;
buyukesmeli	0:3a2f06aeceaf	1460
buyukesmeli	0:3a2f06aeceaf	1461
buyukesmeli	0:3a2f06aeceaf	1462	mem_cpy(dst, src, 11);
buyukesmeli	0:3a2f06aeceaf	1463
buyukesmeli	0:3a2f06aeceaf	1464	if (seq > 5) { /* On many collisions, generate a hash number instead of sequential number */
buyukesmeli	0:3a2f06aeceaf	1465	sr = seq;
buyukesmeli	0:3a2f06aeceaf	1466	while (lfn) { / Create a CRC */
buyukesmeli	0:3a2f06aeceaf	1467	wc = *lfn++;
buyukesmeli	0:3a2f06aeceaf	1468	for (i = 0; i < 16; i++) {
buyukesmeli	0:3a2f06aeceaf	1469	sr = (sr << 1) + (wc & 1);
buyukesmeli	0:3a2f06aeceaf	1470	wc >>= 1;
buyukesmeli	0:3a2f06aeceaf	1471	if (sr & 0x10000) sr ^= 0x11021;
buyukesmeli	0:3a2f06aeceaf	1472	}
buyukesmeli	0:3a2f06aeceaf	1473	}
buyukesmeli	0:3a2f06aeceaf	1474	seq = (UINT)sr;
buyukesmeli	0:3a2f06aeceaf	1475	}
buyukesmeli	0:3a2f06aeceaf	1476
buyukesmeli	0:3a2f06aeceaf	1477	/* itoa (hexdecimal) */
buyukesmeli	0:3a2f06aeceaf	1478	i = 7;
buyukesmeli	0:3a2f06aeceaf	1479	do {
buyukesmeli	0:3a2f06aeceaf	1480	c = (seq % 16) + '0';
buyukesmeli	0:3a2f06aeceaf	1481	if (c > '9') c += 7;
buyukesmeli	0:3a2f06aeceaf	1482	ns[i--] = c;
buyukesmeli	0:3a2f06aeceaf	1483	seq /= 16;
buyukesmeli	0:3a2f06aeceaf	1484	} while (seq);
buyukesmeli	0:3a2f06aeceaf	1485	ns[i] = '~';
buyukesmeli	0:3a2f06aeceaf	1486
buyukesmeli	0:3a2f06aeceaf	1487	/* Append the number */
buyukesmeli	0:3a2f06aeceaf	1488	for (j = 0; j < i && dst[j] != ' '; j++) {
buyukesmeli	0:3a2f06aeceaf	1489	if (IsDBCS1(dst[j])) {
buyukesmeli	0:3a2f06aeceaf	1490	if (j == i - 1) break;
buyukesmeli	0:3a2f06aeceaf	1491	j++;
buyukesmeli	0:3a2f06aeceaf	1492	}
buyukesmeli	0:3a2f06aeceaf	1493	}
buyukesmeli	0:3a2f06aeceaf	1494	do {
buyukesmeli	0:3a2f06aeceaf	1495	dst[j++] = (i < 8) ? ns[i++] : ' ';
buyukesmeli	0:3a2f06aeceaf	1496	} while (j < 8);
buyukesmeli	0:3a2f06aeceaf	1497	}
buyukesmeli	0:3a2f06aeceaf	1498	#endif
buyukesmeli	0:3a2f06aeceaf	1499
buyukesmeli	0:3a2f06aeceaf	1500
buyukesmeli	0:3a2f06aeceaf	1501
buyukesmeli	0:3a2f06aeceaf	1502
buyukesmeli	0:3a2f06aeceaf	1503	/-----------------------------------------------------------------------/
buyukesmeli	0:3a2f06aeceaf	1504	/* Calculate sum of an SFN */
buyukesmeli	0:3a2f06aeceaf	1505	/-----------------------------------------------------------------------/
buyukesmeli	0:3a2f06aeceaf	1506	#if _USE_LFN
buyukesmeli	0:3a2f06aeceaf	1507	static
buyukesmeli	0:3a2f06aeceaf	1508	BYTE sum_sfn (
buyukesmeli	0:3a2f06aeceaf	1509	const BYTE* dir /* Pointer to the SFN entry */
buyukesmeli	0:3a2f06aeceaf	1510	)
buyukesmeli	0:3a2f06aeceaf	1511	{
buyukesmeli	0:3a2f06aeceaf	1512	BYTE sum = 0;
buyukesmeli	0:3a2f06aeceaf	1513	UINT n = 11;
buyukesmeli	0:3a2f06aeceaf	1514
buyukesmeli	0:3a2f06aeceaf	1515	do sum = (sum >> 1) + (sum << 7) + *dir++; while (--n);
buyukesmeli	0:3a2f06aeceaf	1516	return sum;
buyukesmeli	0:3a2f06aeceaf	1517	}
buyukesmeli	0:3a2f06aeceaf	1518	#endif
buyukesmeli	0:3a2f06aeceaf	1519
buyukesmeli	0:3a2f06aeceaf	1520
buyukesmeli	0:3a2f06aeceaf	1521
buyukesmeli	0:3a2f06aeceaf	1522
buyukesmeli	0:3a2f06aeceaf	1523	/-----------------------------------------------------------------------/
buyukesmeli	0:3a2f06aeceaf	1524	/* Directory handling - Find an object in the directory */
buyukesmeli	0:3a2f06aeceaf	1525	/-----------------------------------------------------------------------/
buyukesmeli	0:3a2f06aeceaf	1526
buyukesmeli	0:3a2f06aeceaf	1527	static
buyukesmeli	0:3a2f06aeceaf	1528	FRESULT dir_find (
buyukesmeli	0:3a2f06aeceaf	1529	DIR_* dp /* Pointer to the directory object linked to the file name */
buyukesmeli	0:3a2f06aeceaf	1530	)
buyukesmeli	0:3a2f06aeceaf	1531	{
buyukesmeli	0:3a2f06aeceaf	1532	FRESULT res;
buyukesmeli	0:3a2f06aeceaf	1533	BYTE c, *dir;
buyukesmeli	0:3a2f06aeceaf	1534	#if _USE_LFN
buyukesmeli	0:3a2f06aeceaf	1535	BYTE a, ord, sum;
buyukesmeli	0:3a2f06aeceaf	1536	#endif
buyukesmeli	0:3a2f06aeceaf	1537
buyukesmeli	0:3a2f06aeceaf	1538	res = dir_sdi(dp, 0); /* Rewind directory object */
buyukesmeli	0:3a2f06aeceaf	1539	if (res != FR_OK) return res;
buyukesmeli	0:3a2f06aeceaf	1540
buyukesmeli	0:3a2f06aeceaf	1541	#if _USE_LFN
buyukesmeli	0:3a2f06aeceaf	1542	ord = sum = 0xFF; dp->lfn_idx = 0xFFFF; /* Reset LFN sequence */
buyukesmeli	0:3a2f06aeceaf	1543	#endif
buyukesmeli	0:3a2f06aeceaf	1544	do {
buyukesmeli	0:3a2f06aeceaf	1545	res = move_window(dp->fs, dp->sect);
buyukesmeli	0:3a2f06aeceaf	1546	if (res != FR_OK) break;
buyukesmeli	0:3a2f06aeceaf	1547	dir = dp->dir; /* Ptr to the directory entry of current index */
buyukesmeli	0:3a2f06aeceaf	1548	c = dir[DIR_Name];
buyukesmeli	0:3a2f06aeceaf	1549	if (c == 0) { res = FR_NO_FILE; break; } /* Reached to end of table */
buyukesmeli	0:3a2f06aeceaf	1550	#if _USE_LFN /* LFN configuration */
buyukesmeli	0:3a2f06aeceaf	1551	a = dir[DIR_Attr] & AM_MASK;
buyukesmeli	0:3a2f06aeceaf	1552	if (c == DDEM \|\| ((a & AM_VOL) && a != AM_LFN)) { /* An entry without valid data */
buyukesmeli	0:3a2f06aeceaf	1553	ord = 0xFF; dp->lfn_idx = 0xFFFF; /* Reset LFN sequence */
buyukesmeli	0:3a2f06aeceaf	1554	} else {
buyukesmeli	0:3a2f06aeceaf	1555	if (a == AM_LFN) { /* An LFN entry is found */
buyukesmeli	0:3a2f06aeceaf	1556	if (dp->lfn) {
buyukesmeli	0:3a2f06aeceaf	1557	if (c & LLEF) { /* Is it start of LFN sequence? */
buyukesmeli	0:3a2f06aeceaf	1558	sum = dir[LDIR_Chksum];
buyukesmeli	0:3a2f06aeceaf	1559	c &= ~LLEF; ord = c; /* LFN start order */
buyukesmeli	0:3a2f06aeceaf	1560	dp->lfn_idx = dp->index; /* Start index of LFN */
buyukesmeli	0:3a2f06aeceaf	1561	}
buyukesmeli	0:3a2f06aeceaf	1562	/* Check validity of the LFN entry and compare it with given name */
buyukesmeli	0:3a2f06aeceaf	1563	ord = (c == ord && sum == dir[LDIR_Chksum] && cmp_lfn(dp->lfn, dir)) ? ord - 1 : 0xFF;
buyukesmeli	0:3a2f06aeceaf	1564	}
buyukesmeli	0:3a2f06aeceaf	1565	} else { /* An SFN entry is found */
buyukesmeli	0:3a2f06aeceaf	1566	if (!ord && sum == sum_sfn(dir)) break; /* LFN matched? */
buyukesmeli	0:3a2f06aeceaf	1567	if (!(dp->fn[NSFLAG] & NS_LOSS) && !mem_cmp(dir, dp->fn, 11)) break; /* SFN matched? */
buyukesmeli	0:3a2f06aeceaf	1568	ord = 0xFF; dp->lfn_idx = 0xFFFF; /* Reset LFN sequence */
buyukesmeli	0:3a2f06aeceaf	1569	}
buyukesmeli	0:3a2f06aeceaf	1570	}
buyukesmeli	0:3a2f06aeceaf	1571	#else /* Non LFN configuration */
buyukesmeli	0:3a2f06aeceaf	1572	if (!(dir[DIR_Attr] & AM_VOL) && !mem_cmp(dir, dp->fn, 11)) /* Is it a valid entry? */
buyukesmeli	0:3a2f06aeceaf	1573	break;
buyukesmeli	0:3a2f06aeceaf	1574	#endif
buyukesmeli	0:3a2f06aeceaf	1575	res = dir_next(dp, 0); /* Next entry */
buyukesmeli	0:3a2f06aeceaf	1576	} while (res == FR_OK);
buyukesmeli	0:3a2f06aeceaf	1577
buyukesmeli	0:3a2f06aeceaf	1578	return res;
buyukesmeli	0:3a2f06aeceaf	1579	}
buyukesmeli	0:3a2f06aeceaf	1580
buyukesmeli	0:3a2f06aeceaf	1581
buyukesmeli	0:3a2f06aeceaf	1582
buyukesmeli	0:3a2f06aeceaf	1583
buyukesmeli	0:3a2f06aeceaf	1584	/-----------------------------------------------------------------------/
buyukesmeli	0:3a2f06aeceaf	1585	/* Read an object from the directory */
buyukesmeli	0:3a2f06aeceaf	1586	/-----------------------------------------------------------------------/
buyukesmeli	0:3a2f06aeceaf	1587	#if _FS_MINIMIZE <= 1 \|\| _USE_LABEL \|\| _FS_RPATH >= 2
buyukesmeli	0:3a2f06aeceaf	1588	static
buyukesmeli	0:3a2f06aeceaf	1589	FRESULT dir_read (
buyukesmeli	0:3a2f06aeceaf	1590	DIR_* dp, /* Pointer to the directory object */
buyukesmeli	0:3a2f06aeceaf	1591	int vol /* Filtered by 0:file/directory or 1:volume label */
buyukesmeli	0:3a2f06aeceaf	1592	)
buyukesmeli	0:3a2f06aeceaf	1593	{
buyukesmeli	0:3a2f06aeceaf	1594	FRESULT res;
buyukesmeli	0:3a2f06aeceaf	1595	BYTE a, c, *dir;
buyukesmeli	0:3a2f06aeceaf	1596	#if _USE_LFN
buyukesmeli	0:3a2f06aeceaf	1597	BYTE ord = 0xFF, sum = 0xFF;
buyukesmeli	0:3a2f06aeceaf	1598	#endif
buyukesmeli	0:3a2f06aeceaf	1599
buyukesmeli	0:3a2f06aeceaf	1600	res = FR_NO_FILE;
buyukesmeli	0:3a2f06aeceaf	1601	while (dp->sect) {
buyukesmeli	0:3a2f06aeceaf	1602	res = move_window(dp->fs, dp->sect);
buyukesmeli	0:3a2f06aeceaf	1603	if (res != FR_OK) break;
buyukesmeli	0:3a2f06aeceaf	1604	dir = dp->dir; /* Ptr to the directory entry of current index */
buyukesmeli	0:3a2f06aeceaf	1605	c = dir[DIR_Name];
buyukesmeli	0:3a2f06aeceaf	1606	if (c == 0) { res = FR_NO_FILE; break; } /* Reached to end of table */
buyukesmeli	0:3a2f06aeceaf	1607	a = dir[DIR_Attr] & AM_MASK;
buyukesmeli	0:3a2f06aeceaf	1608	#if _USE_LFN /* LFN configuration */
buyukesmeli	0:3a2f06aeceaf	1609	if (c == DDEM \|\| (!_FS_RPATH && c == '.') \|\| (int)((a & ~AM_ARC) == AM_VOL) != vol) { /* An entry without valid data */
buyukesmeli	0:3a2f06aeceaf	1610	ord = 0xFF;
buyukesmeli	0:3a2f06aeceaf	1611	} else {
buyukesmeli	0:3a2f06aeceaf	1612	if (a == AM_LFN) { /* An LFN entry is found */
buyukesmeli	0:3a2f06aeceaf	1613	if (c & LLEF) { /* Is it start of LFN sequence? */
buyukesmeli	0:3a2f06aeceaf	1614	sum = dir[LDIR_Chksum];
buyukesmeli	0:3a2f06aeceaf	1615	c &= ~LLEF; ord = c;
buyukesmeli	0:3a2f06aeceaf	1616	dp->lfn_idx = dp->index;
buyukesmeli	0:3a2f06aeceaf	1617	}
buyukesmeli	0:3a2f06aeceaf	1618	/* Check LFN validity and capture it */
buyukesmeli	0:3a2f06aeceaf	1619	ord = (c == ord && sum == dir[LDIR_Chksum] && pick_lfn(dp->lfn, dir)) ? ord - 1 : 0xFF;
buyukesmeli	0:3a2f06aeceaf	1620	} else { /* An SFN entry is found */
buyukesmeli	0:3a2f06aeceaf	1621	if (ord \|\| sum != sum_sfn(dir)) /* Is there a valid LFN? */
buyukesmeli	0:3a2f06aeceaf	1622	dp->lfn_idx = 0xFFFF; /* It has no LFN. */
buyukesmeli	0:3a2f06aeceaf	1623	break;
buyukesmeli	0:3a2f06aeceaf	1624	}
buyukesmeli	0:3a2f06aeceaf	1625	}
buyukesmeli	0:3a2f06aeceaf	1626	#else /* Non LFN configuration */
buyukesmeli	0:3a2f06aeceaf	1627	if (c != DDEM && (_FS_RPATH \|\| c != '.') && a != AM_LFN && (int)((a & ~AM_ARC) == AM_VOL) == vol) /* Is it a valid entry? */
buyukesmeli	0:3a2f06aeceaf	1628	break;
buyukesmeli	0:3a2f06aeceaf	1629	#endif
buyukesmeli	0:3a2f06aeceaf	1630	res = dir_next(dp, 0); /* Next entry */
buyukesmeli	0:3a2f06aeceaf	1631	if (res != FR_OK) break;
buyukesmeli	0:3a2f06aeceaf	1632	}
buyukesmeli	0:3a2f06aeceaf	1633
buyukesmeli	0:3a2f06aeceaf	1634	if (res != FR_OK) dp->sect = 0;
buyukesmeli	0:3a2f06aeceaf	1635
buyukesmeli	0:3a2f06aeceaf	1636	return res;
buyukesmeli	0:3a2f06aeceaf	1637	}
buyukesmeli	0:3a2f06aeceaf	1638	#endif /* _FS_MINIMIZE <= 1 \|\| _USE_LABEL \|\| _FS_RPATH >= 2 */
buyukesmeli	0:3a2f06aeceaf	1639
buyukesmeli	0:3a2f06aeceaf	1640
buyukesmeli	0:3a2f06aeceaf	1641
buyukesmeli	0:3a2f06aeceaf	1642
buyukesmeli	0:3a2f06aeceaf	1643	/-----------------------------------------------------------------------/
buyukesmeli	0:3a2f06aeceaf	1644	/* Register an object to the directory */
buyukesmeli	0:3a2f06aeceaf	1645	/-----------------------------------------------------------------------/
buyukesmeli	0:3a2f06aeceaf	1646	#if !_FS_READONLY
buyukesmeli	0:3a2f06aeceaf	1647	static
buyukesmeli	0:3a2f06aeceaf	1648	FRESULT dir_register ( /* FR_OK:Successful, FR_DENIED:No free entry or too many SFN collision, FR_DISK_ERR:Disk error */
buyukesmeli	0:3a2f06aeceaf	1649	DIR_* dp /* Target directory with object name to be created */
buyukesmeli	0:3a2f06aeceaf	1650	)
buyukesmeli	0:3a2f06aeceaf	1651	{
buyukesmeli	0:3a2f06aeceaf	1652	FRESULT res;
buyukesmeli	0:3a2f06aeceaf	1653	#if _USE_LFN /* LFN configuration */
buyukesmeli	0:3a2f06aeceaf	1654	UINT n, nent;
buyukesmeli	0:3a2f06aeceaf	1655	BYTE sn[12], *fn, sum;
buyukesmeli	0:3a2f06aeceaf	1656	WCHAR *lfn;
buyukesmeli	0:3a2f06aeceaf	1657
buyukesmeli	0:3a2f06aeceaf	1658
buyukesmeli	0:3a2f06aeceaf	1659	fn = dp->fn; lfn = dp->lfn;
buyukesmeli	0:3a2f06aeceaf	1660	mem_cpy(sn, fn, 12);
buyukesmeli	0:3a2f06aeceaf	1661
buyukesmeli	0:3a2f06aeceaf	1662	if (_FS_RPATH && (sn[NSFLAG] & NS_DOT)) /* Cannot create dot entry */
buyukesmeli	0:3a2f06aeceaf	1663	return FR_INVALID_NAME;
buyukesmeli	0:3a2f06aeceaf	1664
buyukesmeli	0:3a2f06aeceaf	1665	if (sn[NSFLAG] & NS_LOSS) { /* When LFN is out of 8.3 format, generate a numbered name */
buyukesmeli	0:3a2f06aeceaf	1666	fn[NSFLAG] = 0; dp->lfn = 0; /* Find only SFN */
buyukesmeli	0:3a2f06aeceaf	1667	for (n = 1; n < 100; n++) {
buyukesmeli	0:3a2f06aeceaf	1668	gen_numname(fn, sn, lfn, n); /* Generate a numbered name */
buyukesmeli	0:3a2f06aeceaf	1669	res = dir_find(dp); /* Check if the name collides with existing SFN */
buyukesmeli	0:3a2f06aeceaf	1670	if (res != FR_OK) break;
buyukesmeli	0:3a2f06aeceaf	1671	}
buyukesmeli	0:3a2f06aeceaf	1672	if (n == 100) return FR_DENIED; /* Abort if too many collisions */
buyukesmeli	0:3a2f06aeceaf	1673	if (res != FR_NO_FILE) return res; /* Abort if the result is other than 'not collided' */
buyukesmeli	0:3a2f06aeceaf	1674	fn[NSFLAG] = sn[NSFLAG]; dp->lfn = lfn;
buyukesmeli	0:3a2f06aeceaf	1675	}
buyukesmeli	0:3a2f06aeceaf	1676
buyukesmeli	0:3a2f06aeceaf	1677	if (sn[NSFLAG] & NS_LFN) { /* When LFN is to be created, allocate entries for an SFN + LFNs. */
buyukesmeli	0:3a2f06aeceaf	1678	for (n = 0; lfn[n]; n++) ;
buyukesmeli	0:3a2f06aeceaf	1679	nent = (n + 25) / 13;
buyukesmeli	0:3a2f06aeceaf	1680	} else { /* Otherwise allocate an entry for an SFN */
buyukesmeli	0:3a2f06aeceaf	1681	nent = 1;
buyukesmeli	0:3a2f06aeceaf	1682	}
buyukesmeli	0:3a2f06aeceaf	1683	res = dir_alloc(dp, nent); /* Allocate entries */
buyukesmeli	0:3a2f06aeceaf	1684
buyukesmeli	0:3a2f06aeceaf	1685	if (res == FR_OK && --nent) { /* Set LFN entry if needed */
buyukesmeli	0:3a2f06aeceaf	1686	res = dir_sdi(dp, dp->index - nent);
buyukesmeli	0:3a2f06aeceaf	1687	if (res == FR_OK) {
buyukesmeli	0:3a2f06aeceaf	1688	sum = sum_sfn(dp->fn); /* Sum value of the SFN tied to the LFN */
buyukesmeli	0:3a2f06aeceaf	1689	do { /* Store LFN entries in bottom first */
buyukesmeli	0:3a2f06aeceaf	1690	res = move_window(dp->fs, dp->sect);
buyukesmeli	0:3a2f06aeceaf	1691	if (res != FR_OK) break;
buyukesmeli	0:3a2f06aeceaf	1692	fit_lfn(dp->lfn, dp->dir, (BYTE)nent, sum);
buyukesmeli	0:3a2f06aeceaf	1693	dp->fs->wflag = 1;
buyukesmeli	0:3a2f06aeceaf	1694	res = dir_next(dp, 0); /* Next entry */
buyukesmeli	0:3a2f06aeceaf	1695	} while (res == FR_OK && --nent);
buyukesmeli	0:3a2f06aeceaf	1696	}
buyukesmeli	0:3a2f06aeceaf	1697	}
buyukesmeli	0:3a2f06aeceaf	1698	#else /* Non LFN configuration */
buyukesmeli	0:3a2f06aeceaf	1699	res = dir_alloc(dp, 1); /* Allocate an entry for SFN */
buyukesmeli	0:3a2f06aeceaf	1700	#endif
buyukesmeli	0:3a2f06aeceaf	1701
buyukesmeli	0:3a2f06aeceaf	1702	if (res == FR_OK) { /* Set SFN entry */
buyukesmeli	0:3a2f06aeceaf	1703	res = move_window(dp->fs, dp->sect);
buyukesmeli	0:3a2f06aeceaf	1704	if (res == FR_OK) {
buyukesmeli	0:3a2f06aeceaf	1705	mem_set(dp->dir, 0, SZ_DIRE); /* Clean the entry */
buyukesmeli	0:3a2f06aeceaf	1706	mem_cpy(dp->dir, dp->fn, 11); /* Put SFN */
buyukesmeli	0:3a2f06aeceaf	1707	#if _USE_LFN
buyukesmeli	0:3a2f06aeceaf	1708	dp->dir[DIR_NTres] = dp->fn[NSFLAG] & (NS_BODY \| NS_EXT); /* Put NT flag */
buyukesmeli	0:3a2f06aeceaf	1709	#endif
buyukesmeli	0:3a2f06aeceaf	1710	dp->fs->wflag = 1;
buyukesmeli	0:3a2f06aeceaf	1711	}
buyukesmeli	0:3a2f06aeceaf	1712	}
buyukesmeli	0:3a2f06aeceaf	1713
buyukesmeli	0:3a2f06aeceaf	1714	return res;
buyukesmeli	0:3a2f06aeceaf	1715	}
buyukesmeli	0:3a2f06aeceaf	1716	#endif /* !_FS_READONLY */
buyukesmeli	0:3a2f06aeceaf	1717
buyukesmeli	0:3a2f06aeceaf	1718
buyukesmeli	0:3a2f06aeceaf	1719
buyukesmeli	0:3a2f06aeceaf	1720
buyukesmeli	0:3a2f06aeceaf	1721	/-----------------------------------------------------------------------/
buyukesmeli	0:3a2f06aeceaf	1722	/* Remove an object from the directory */
buyukesmeli	0:3a2f06aeceaf	1723	/-----------------------------------------------------------------------/
buyukesmeli	0:3a2f06aeceaf	1724	#if !_FS_READONLY && !_FS_MINIMIZE
buyukesmeli	0:3a2f06aeceaf	1725	static
buyukesmeli	0:3a2f06aeceaf	1726	FRESULT dir_remove ( /* FR_OK: Successful, FR_DISK_ERR: A disk error */
buyukesmeli	0:3a2f06aeceaf	1727	DIR_* dp /* Directory object pointing the entry to be removed */
buyukesmeli	0:3a2f06aeceaf	1728	)
buyukesmeli	0:3a2f06aeceaf	1729	{
buyukesmeli	0:3a2f06aeceaf	1730	FRESULT res;
buyukesmeli	0:3a2f06aeceaf	1731	#if _USE_LFN /* LFN configuration */
buyukesmeli	0:3a2f06aeceaf	1732	UINT i;
buyukesmeli	0:3a2f06aeceaf	1733
buyukesmeli	0:3a2f06aeceaf	1734	i = dp->index; /* SFN index */
buyukesmeli	0:3a2f06aeceaf	1735	res = dir_sdi(dp, (dp->lfn_idx == 0xFFFF) ? i : dp->lfn_idx); /* Goto the SFN or top of the LFN entries */
buyukesmeli	0:3a2f06aeceaf	1736	if (res == FR_OK) {
buyukesmeli	0:3a2f06aeceaf	1737	do {
buyukesmeli	0:3a2f06aeceaf	1738	res = move_window(dp->fs, dp->sect);
buyukesmeli	0:3a2f06aeceaf	1739	if (res != FR_OK) break;
buyukesmeli	0:3a2f06aeceaf	1740	mem_set(dp->dir, 0, SZ_DIRE); /* Clear and mark the entry "deleted" */
buyukesmeli	0:3a2f06aeceaf	1741	*dp->dir = DDEM;
buyukesmeli	0:3a2f06aeceaf	1742	dp->fs->wflag = 1;
buyukesmeli	0:3a2f06aeceaf	1743	if (dp->index >= i) break; /* When reached SFN, all entries of the object has been deleted. */
buyukesmeli	0:3a2f06aeceaf	1744	res = dir_next(dp, 0); /* Next entry */
buyukesmeli	0:3a2f06aeceaf	1745	} while (res == FR_OK);
buyukesmeli	0:3a2f06aeceaf	1746	if (res == FR_NO_FILE) res = FR_INT_ERR;
buyukesmeli	0:3a2f06aeceaf	1747	}
buyukesmeli	0:3a2f06aeceaf	1748
buyukesmeli	0:3a2f06aeceaf	1749	#else /* Non LFN configuration */
buyukesmeli	0:3a2f06aeceaf	1750	res = dir_sdi(dp, dp->index);
buyukesmeli	0:3a2f06aeceaf	1751	if (res == FR_OK) {
buyukesmeli	0:3a2f06aeceaf	1752	res = move_window(dp->fs, dp->sect);
buyukesmeli	0:3a2f06aeceaf	1753	if (res == FR_OK) {
buyukesmeli	0:3a2f06aeceaf	1754	mem_set(dp->dir, 0, SZ_DIRE); /* Clear and mark the entry "deleted" */
buyukesmeli	0:3a2f06aeceaf	1755	*dp->dir = DDEM;
buyukesmeli	0:3a2f06aeceaf	1756	dp->fs->wflag = 1;
buyukesmeli	0:3a2f06aeceaf	1757	}
buyukesmeli	0:3a2f06aeceaf	1758	}
buyukesmeli	0:3a2f06aeceaf	1759	#endif
buyukesmeli	0:3a2f06aeceaf	1760
buyukesmeli	0:3a2f06aeceaf	1761	return res;
buyukesmeli	0:3a2f06aeceaf	1762	}
buyukesmeli	0:3a2f06aeceaf	1763	#endif /* !_FS_READONLY */
buyukesmeli	0:3a2f06aeceaf	1764
buyukesmeli	0:3a2f06aeceaf	1765
buyukesmeli	0:3a2f06aeceaf	1766
buyukesmeli	0:3a2f06aeceaf	1767
buyukesmeli	0:3a2f06aeceaf	1768	/-----------------------------------------------------------------------/
buyukesmeli	0:3a2f06aeceaf	1769	/* Get file information from directory entry */
buyukesmeli	0:3a2f06aeceaf	1770	/-----------------------------------------------------------------------/
buyukesmeli	0:3a2f06aeceaf	1771	#if _FS_MINIMIZE <= 1 \|\| _FS_RPATH >= 2
buyukesmeli	0:3a2f06aeceaf	1772	static
buyukesmeli	0:3a2f06aeceaf	1773	void get_fileinfo ( /* No return code */
buyukesmeli	0:3a2f06aeceaf	1774	DIR_* dp, /* Pointer to the directory object */
buyukesmeli	0:3a2f06aeceaf	1775	FILINFO* fno /* Pointer to the file information to be filled */
buyukesmeli	0:3a2f06aeceaf	1776	)
buyukesmeli	0:3a2f06aeceaf	1777	{
buyukesmeli	0:3a2f06aeceaf	1778	UINT i;
buyukesmeli	0:3a2f06aeceaf	1779	TCHAR *p, c;
buyukesmeli	0:3a2f06aeceaf	1780	BYTE *dir;
buyukesmeli	0:3a2f06aeceaf	1781	#if _USE_LFN
buyukesmeli	0:3a2f06aeceaf	1782	WCHAR w, *lfn;
buyukesmeli	0:3a2f06aeceaf	1783	#endif
buyukesmeli	0:3a2f06aeceaf	1784
buyukesmeli	0:3a2f06aeceaf	1785	p = fno->fname;
buyukesmeli	0:3a2f06aeceaf	1786	if (dp->sect) { /* Get SFN */
buyukesmeli	0:3a2f06aeceaf	1787	dir = dp->dir;
buyukesmeli	0:3a2f06aeceaf	1788	i = 0;
buyukesmeli	0:3a2f06aeceaf	1789	while (i < 11) { /* Copy name body and extension */
buyukesmeli	0:3a2f06aeceaf	1790	c = (TCHAR)dir[i++];
buyukesmeli	0:3a2f06aeceaf	1791	if (c == ' ') continue; /* Skip padding spaces */
buyukesmeli	0:3a2f06aeceaf	1792	if (c == RDDEM) c = (TCHAR)DDEM; /* Restore replaced DDEM character */
buyukesmeli	0:3a2f06aeceaf	1793	if (i == 9) p++ = '.'; / Insert a . if extension is exist */
buyukesmeli	0:3a2f06aeceaf	1794	#if _USE_LFN
buyukesmeli	0:3a2f06aeceaf	1795	if (IsUpper(c) && (dir[DIR_NTres] & (i >= 9 ? NS_EXT : NS_BODY)))
buyukesmeli	0:3a2f06aeceaf	1796	c += 0x20; /* To lower */
buyukesmeli	0:3a2f06aeceaf	1797	#if _LFN_UNICODE
buyukesmeli	0:3a2f06aeceaf	1798	if (IsDBCS1(c) && i != 8 && i != 11 && IsDBCS2(dir[i]))
buyukesmeli	0:3a2f06aeceaf	1799	c = c << 8 \| dir[i++];
buyukesmeli	0:3a2f06aeceaf	1800	c = ff_convert(c, 1); /* OEM -> Unicode */
buyukesmeli	0:3a2f06aeceaf	1801	if (!c) c = '?';
buyukesmeli	0:3a2f06aeceaf	1802	#endif
buyukesmeli	0:3a2f06aeceaf	1803	#endif
buyukesmeli	0:3a2f06aeceaf	1804	*p++ = c;
buyukesmeli	0:3a2f06aeceaf	1805	}
buyukesmeli	0:3a2f06aeceaf	1806	fno->fattrib = dir[DIR_Attr]; /* Attribute */
buyukesmeli	0:3a2f06aeceaf	1807	fno->fsize = LD_DWORD(dir + DIR_FileSize); /* Size */
buyukesmeli	0:3a2f06aeceaf	1808	fno->fdate = LD_WORD(dir + DIR_WrtDate); /* Date */
buyukesmeli	0:3a2f06aeceaf	1809	fno->ftime = LD_WORD(dir + DIR_WrtTime); /* Time */
buyukesmeli	0:3a2f06aeceaf	1810	}
buyukesmeli	0:3a2f06aeceaf	1811	p = 0; / Terminate SFN string by a \0 */
buyukesmeli	0:3a2f06aeceaf	1812
buyukesmeli	0:3a2f06aeceaf	1813	#if _USE_LFN
buyukesmeli	0:3a2f06aeceaf	1814	if (fno->lfname) {
buyukesmeli	0:3a2f06aeceaf	1815	i = 0; p = fno->lfname;
buyukesmeli	0:3a2f06aeceaf	1816	if (dp->sect && fno->lfsize && dp->lfn_idx != 0xFFFF) { /* Get LFN if available */
buyukesmeli	0:3a2f06aeceaf	1817	lfn = dp->lfn;
buyukesmeli	0:3a2f06aeceaf	1818	while ((w = lfn++) != 0) { / Get an LFN character */
buyukesmeli	0:3a2f06aeceaf	1819	#if !_LFN_UNICODE
buyukesmeli	0:3a2f06aeceaf	1820	w = ff_convert(w, 0); /* Unicode -> OEM */
buyukesmeli	0:3a2f06aeceaf	1821	if (!w) { i = 0; break; } /* No LFN if it could not be converted */
buyukesmeli	0:3a2f06aeceaf	1822	if (_DF1S && w >= 0x100) /* Put 1st byte if it is a DBC (always false on SBCS cfg) */
buyukesmeli	0:3a2f06aeceaf	1823	p[i++] = (TCHAR)(w >> 8);
buyukesmeli	0:3a2f06aeceaf	1824	#endif
buyukesmeli	0:3a2f06aeceaf	1825	if (i >= fno->lfsize - 1) { i = 0; break; } /* No LFN if buffer overflow */
buyukesmeli	0:3a2f06aeceaf	1826	p[i++] = (TCHAR)w;
buyukesmeli	0:3a2f06aeceaf	1827	}
buyukesmeli	0:3a2f06aeceaf	1828	}
buyukesmeli	0:3a2f06aeceaf	1829	p[i] = 0; /* Terminate LFN string by a \0 */
buyukesmeli	0:3a2f06aeceaf	1830	}
buyukesmeli	0:3a2f06aeceaf	1831	#endif
buyukesmeli	0:3a2f06aeceaf	1832	}
buyukesmeli	0:3a2f06aeceaf	1833	#endif /* _FS_MINIMIZE <= 1 \|\| _FS_RPATH >= 2 */
buyukesmeli	0:3a2f06aeceaf	1834
buyukesmeli	0:3a2f06aeceaf	1835
buyukesmeli	0:3a2f06aeceaf	1836
buyukesmeli	0:3a2f06aeceaf	1837
buyukesmeli	0:3a2f06aeceaf	1838	/-----------------------------------------------------------------------/
buyukesmeli	0:3a2f06aeceaf	1839	/* Pattern matching */
buyukesmeli	0:3a2f06aeceaf	1840	/-----------------------------------------------------------------------/
buyukesmeli	0:3a2f06aeceaf	1841	#if _USE_FIND && _FS_MINIMIZE <= 1
buyukesmeli	0:3a2f06aeceaf	1842	static
buyukesmeli	0:3a2f06aeceaf	1843	WCHAR get_achar ( /* Get a character and advances ptr 1 or 2 */
buyukesmeli	0:3a2f06aeceaf	1844	const TCHAR** ptr /* Pointer to pointer to the SBCS/DBCS/Unicode string */
buyukesmeli	0:3a2f06aeceaf	1845	)
buyukesmeli	0:3a2f06aeceaf	1846	{
buyukesmeli	0:3a2f06aeceaf	1847	WCHAR chr;
buyukesmeli	0:3a2f06aeceaf	1848
buyukesmeli	0:3a2f06aeceaf	1849	#if !_LFN_UNICODE
buyukesmeli	0:3a2f06aeceaf	1850	chr = (BYTE)(ptr)++; /* Get a byte */
buyukesmeli	0:3a2f06aeceaf	1851	if (IsLower(chr)) chr -= 0x20; /* To upper ASCII char */
buyukesmeli	0:3a2f06aeceaf	1852	if (IsDBCS1(chr) && IsDBCS2(*ptr)) / Get DBC 2nd byte if needed */
buyukesmeli	0:3a2f06aeceaf	1853	chr = chr << 8 \| (BYTE)(ptr)++;
buyukesmeli	0:3a2f06aeceaf	1854	#ifdef _EXCVT
buyukesmeli	0:3a2f06aeceaf	1855	if (chr >= 0x80) chr = ExCvt[chr - 0x80]; /* To upper SBCS extended char */
buyukesmeli	0:3a2f06aeceaf	1856	#endif
buyukesmeli	0:3a2f06aeceaf	1857	#else
buyukesmeli	0:3a2f06aeceaf	1858	chr = ff_wtoupper((ptr)++); /* Get a word and to upper */
buyukesmeli	0:3a2f06aeceaf	1859	#endif
buyukesmeli	0:3a2f06aeceaf	1860	return chr;
buyukesmeli	0:3a2f06aeceaf	1861	}
buyukesmeli	0:3a2f06aeceaf	1862
buyukesmeli	0:3a2f06aeceaf	1863
buyukesmeli	0:3a2f06aeceaf	1864	static
buyukesmeli	0:3a2f06aeceaf	1865	int pattern_matching ( /* Return value: 0:mismatched, 1:matched */
buyukesmeli	0:3a2f06aeceaf	1866	const TCHAR* pat, /* Matching pattern */
buyukesmeli	0:3a2f06aeceaf	1867	const TCHAR* nam, /* String to be tested */
buyukesmeli	0:3a2f06aeceaf	1868	int skip, /* Number of pre-skip chars (number of ?s) */
buyukesmeli	0:3a2f06aeceaf	1869	int inf /* Infinite search (* specified) */
buyukesmeli	0:3a2f06aeceaf	1870	)
buyukesmeli	0:3a2f06aeceaf	1871	{
buyukesmeli	0:3a2f06aeceaf	1872	const TCHAR pp, np;
buyukesmeli	0:3a2f06aeceaf	1873	WCHAR pc, nc;
buyukesmeli	0:3a2f06aeceaf	1874	int nm, nx;
buyukesmeli	0:3a2f06aeceaf	1875
buyukesmeli	0:3a2f06aeceaf	1876
buyukesmeli	0:3a2f06aeceaf	1877	while (skip--) { /* Pre-skip name chars */
buyukesmeli	0:3a2f06aeceaf	1878	if (!get_achar(&nam)) return 0; /* Branch mismatched if less name chars */
buyukesmeli	0:3a2f06aeceaf	1879	}
buyukesmeli	0:3a2f06aeceaf	1880	if (!pat && inf) return 1; / (short circuit) */
buyukesmeli	0:3a2f06aeceaf	1881
buyukesmeli	0:3a2f06aeceaf	1882	do {
buyukesmeli	0:3a2f06aeceaf	1883	pp = pat; np = nam; /* Top of pattern and name to match */
buyukesmeli	0:3a2f06aeceaf	1884	for (;;) {
buyukesmeli	0:3a2f06aeceaf	1885	if (pp == '?' \|\| pp == '') { / Wildcard? */
buyukesmeli	0:3a2f06aeceaf	1886	nm = nx = 0;
buyukesmeli	0:3a2f06aeceaf	1887	do { /* Analyze the wildcard chars */
buyukesmeli	0:3a2f06aeceaf	1888	if (*pp++ == '?') nm++; else nx = 1;
buyukesmeli	0:3a2f06aeceaf	1889	} while (pp == '?' \|\| pp == '*');
buyukesmeli	0:3a2f06aeceaf	1890	if (pattern_matching(pp, np, nm, nx)) return 1; /* Test new branch (recurs upto number of wildcard blocks in the pattern) */
buyukesmeli	0:3a2f06aeceaf	1891	nc = np; break; / Branch mismatched */
buyukesmeli	0:3a2f06aeceaf	1892	}
buyukesmeli	0:3a2f06aeceaf	1893	pc = get_achar(&pp); /* Get a pattern char */
buyukesmeli	0:3a2f06aeceaf	1894	nc = get_achar(&np); /* Get a name char */
buyukesmeli	0:3a2f06aeceaf	1895	if (pc != nc) break; /* Branch mismatched? */
buyukesmeli	0:3a2f06aeceaf	1896	if (!pc) return 1; /* Branch matched? (matched at end of both strings) */
buyukesmeli	0:3a2f06aeceaf	1897	}
buyukesmeli	0:3a2f06aeceaf	1898	get_achar(&nam); /* nam++ */
buyukesmeli	0:3a2f06aeceaf	1899	} while (inf && nc); /* Retry until end of name if infinite search is specified */
buyukesmeli	0:3a2f06aeceaf	1900
buyukesmeli	0:3a2f06aeceaf	1901	return 0;
buyukesmeli	0:3a2f06aeceaf	1902	}
buyukesmeli	0:3a2f06aeceaf	1903	#endif /* _USE_FIND && _FS_MINIMIZE <= 1 */
buyukesmeli	0:3a2f06aeceaf	1904
buyukesmeli	0:3a2f06aeceaf	1905
buyukesmeli	0:3a2f06aeceaf	1906
buyukesmeli	0:3a2f06aeceaf	1907
buyukesmeli	0:3a2f06aeceaf	1908	/-----------------------------------------------------------------------/
buyukesmeli	0:3a2f06aeceaf	1909	/* Pick a segment and create the object name in directory form */
buyukesmeli	0:3a2f06aeceaf	1910	/-----------------------------------------------------------------------/
buyukesmeli	0:3a2f06aeceaf	1911
buyukesmeli	0:3a2f06aeceaf	1912	static
buyukesmeli	0:3a2f06aeceaf	1913	FRESULT create_name (
buyukesmeli	0:3a2f06aeceaf	1914	DIR_* dp, /* Pointer to the directory object */
buyukesmeli	0:3a2f06aeceaf	1915	const TCHAR** path /* Pointer to pointer to the segment in the path string */
buyukesmeli	0:3a2f06aeceaf	1916	)
buyukesmeli	0:3a2f06aeceaf	1917	{
buyukesmeli	0:3a2f06aeceaf	1918	#if _USE_LFN /* LFN configuration */
buyukesmeli	0:3a2f06aeceaf	1919	BYTE b, cf;
buyukesmeli	0:3a2f06aeceaf	1920	WCHAR w, *lfn;
buyukesmeli	0:3a2f06aeceaf	1921	UINT i, ni, si, di;
buyukesmeli	0:3a2f06aeceaf	1922	const TCHAR *p;
buyukesmeli	0:3a2f06aeceaf	1923
buyukesmeli	0:3a2f06aeceaf	1924	/* Create LFN in Unicode */
buyukesmeli	0:3a2f06aeceaf	1925	for (p = path; p == '/' \|\| p == '\\'; p++) ; / Strip duplicated separator */
buyukesmeli	0:3a2f06aeceaf	1926	lfn = dp->lfn;
buyukesmeli	0:3a2f06aeceaf	1927	si = di = 0;
buyukesmeli	0:3a2f06aeceaf	1928	for (;;) {
buyukesmeli	0:3a2f06aeceaf	1929	w = p[si++]; /* Get a character */
buyukesmeli	0:3a2f06aeceaf	1930	if (w < ' ' \|\| w == '/' \|\| w == '\\') break; /* Break on end of segment */
buyukesmeli	0:3a2f06aeceaf	1931	if (di >= _MAX_LFN) /* Reject too long name */
buyukesmeli	0:3a2f06aeceaf	1932	return FR_INVALID_NAME;
buyukesmeli	0:3a2f06aeceaf	1933	#if !_LFN_UNICODE
buyukesmeli	0:3a2f06aeceaf	1934	w &= 0xFF;
buyukesmeli	0:3a2f06aeceaf	1935	if (IsDBCS1(w)) { /* Check if it is a DBC 1st byte (always false on SBCS cfg) */
buyukesmeli	0:3a2f06aeceaf	1936	#if _DF1S
buyukesmeli	0:3a2f06aeceaf	1937	b = (BYTE)p[si++]; /* Get 2nd byte */
buyukesmeli	0:3a2f06aeceaf	1938	w = (w << 8) + b; /* Create a DBC */
buyukesmeli	0:3a2f06aeceaf	1939	if (!IsDBCS2(b))
buyukesmeli	0:3a2f06aeceaf	1940	return FR_INVALID_NAME; /* Reject invalid sequence */
buyukesmeli	0:3a2f06aeceaf	1941	#endif
buyukesmeli	0:3a2f06aeceaf	1942	}
buyukesmeli	0:3a2f06aeceaf	1943	w = ff_convert(w, 1); /* Convert ANSI/OEM to Unicode */
buyukesmeli	0:3a2f06aeceaf	1944	if (!w) return FR_INVALID_NAME; /* Reject invalid code */
buyukesmeli	0:3a2f06aeceaf	1945	#endif
buyukesmeli	0:3a2f06aeceaf	1946	if (w < 0x80 && chk_chr("\":<>\?\|\x7F", w)) / Reject illegal characters for LFN */
buyukesmeli	0:3a2f06aeceaf	1947	return FR_INVALID_NAME;
buyukesmeli	0:3a2f06aeceaf	1948	lfn[di++] = w; /* Store the Unicode character */
buyukesmeli	0:3a2f06aeceaf	1949	}
buyukesmeli	0:3a2f06aeceaf	1950	path = &p[si]; / Return pointer to the next segment */
buyukesmeli	0:3a2f06aeceaf	1951	cf = (w < ' ') ? NS_LAST : 0; /* Set last segment flag if end of path */
buyukesmeli	0:3a2f06aeceaf	1952	#if _FS_RPATH
buyukesmeli	0:3a2f06aeceaf	1953	if ((di == 1 && lfn[di - 1] == '.') \|\| /* Is this a dot entry? */
buyukesmeli	0:3a2f06aeceaf	1954	(di == 2 && lfn[di - 1] == '.' && lfn[di - 2] == '.')) {
buyukesmeli	0:3a2f06aeceaf	1955	lfn[di] = 0;
buyukesmeli	0:3a2f06aeceaf	1956	for (i = 0; i < 11; i++)
buyukesmeli	0:3a2f06aeceaf	1957	dp->fn[i] = (i < di) ? '.' : ' ';
buyukesmeli	0:3a2f06aeceaf	1958	dp->fn[i] = cf \| NS_DOT; /* This is a dot entry */
buyukesmeli	0:3a2f06aeceaf	1959	return FR_OK;
buyukesmeli	0:3a2f06aeceaf	1960	}
buyukesmeli	0:3a2f06aeceaf	1961	#endif
buyukesmeli	0:3a2f06aeceaf	1962	while (di) { /* Strip trailing spaces and dots */
buyukesmeli	0:3a2f06aeceaf	1963	w = lfn[di - 1];
buyukesmeli	0:3a2f06aeceaf	1964	if (w != ' ' && w != '.') break;
buyukesmeli	0:3a2f06aeceaf	1965	di--;
buyukesmeli	0:3a2f06aeceaf	1966	}
buyukesmeli	0:3a2f06aeceaf	1967	if (!di) return FR_INVALID_NAME; /* Reject nul string */
buyukesmeli	0:3a2f06aeceaf	1968
buyukesmeli	0:3a2f06aeceaf	1969	lfn[di] = 0; /* LFN is created */
buyukesmeli	0:3a2f06aeceaf	1970
buyukesmeli	0:3a2f06aeceaf	1971	/* Create SFN in directory form */
buyukesmeli	0:3a2f06aeceaf	1972	mem_set(dp->fn, ' ', 11);
buyukesmeli	0:3a2f06aeceaf	1973	for (si = 0; lfn[si] == ' ' \|\| lfn[si] == '.'; si++) ; /* Strip leading spaces and dots */
buyukesmeli	0:3a2f06aeceaf	1974	if (si) cf \|= NS_LOSS \| NS_LFN;
buyukesmeli	0:3a2f06aeceaf	1975	while (di && lfn[di - 1] != '.') di--; /* Find extension (di<=si: no extension) */
buyukesmeli	0:3a2f06aeceaf	1976
buyukesmeli	0:3a2f06aeceaf	1977	b = i = 0; ni = 8;
buyukesmeli	0:3a2f06aeceaf	1978	for (;;) {
buyukesmeli	0:3a2f06aeceaf	1979	w = lfn[si++]; /* Get an LFN character */
buyukesmeli	0:3a2f06aeceaf	1980	if (!w) break; /* Break on end of the LFN */
buyukesmeli	0:3a2f06aeceaf	1981	if (w == ' ' \|\| (w == '.' && si != di)) { /* Remove spaces and dots */
buyukesmeli	0:3a2f06aeceaf	1982	cf \|= NS_LOSS \| NS_LFN; continue;
buyukesmeli	0:3a2f06aeceaf	1983	}
buyukesmeli	0:3a2f06aeceaf	1984
buyukesmeli	0:3a2f06aeceaf	1985	if (i >= ni \|\| si == di) { /* Extension or end of SFN */
buyukesmeli	0:3a2f06aeceaf	1986	if (ni == 11) { /* Long extension */
buyukesmeli	0:3a2f06aeceaf	1987	cf \|= NS_LOSS \| NS_LFN; break;
buyukesmeli	0:3a2f06aeceaf	1988	}
buyukesmeli	0:3a2f06aeceaf	1989	if (si != di) cf \|= NS_LOSS \| NS_LFN; /* Out of 8.3 format */
buyukesmeli	0:3a2f06aeceaf	1990	if (si > di) break; /* No extension */
buyukesmeli	0:3a2f06aeceaf	1991	si = di; i = 8; ni = 11; /* Enter extension section */
buyukesmeli	0:3a2f06aeceaf	1992	b <<= 2; continue;
buyukesmeli	0:3a2f06aeceaf	1993	}
buyukesmeli	0:3a2f06aeceaf	1994
buyukesmeli	0:3a2f06aeceaf	1995	if (w >= 0x80) { /* Non ASCII character */
buyukesmeli	0:3a2f06aeceaf	1996	#ifdef _EXCVT
buyukesmeli	0:3a2f06aeceaf	1997	w = ff_convert(w, 0); /* Unicode -> OEM code */
buyukesmeli	0:3a2f06aeceaf	1998	if (w) w = ExCvt[w - 0x80]; /* Convert extended character to upper (SBCS) */
buyukesmeli	0:3a2f06aeceaf	1999	#else
buyukesmeli	0:3a2f06aeceaf	2000	w = ff_convert(ff_wtoupper(w), 0); /* Upper converted Unicode -> OEM code */
buyukesmeli	0:3a2f06aeceaf	2001	#endif
buyukesmeli	0:3a2f06aeceaf	2002	cf \|= NS_LFN; /* Force create LFN entry */
buyukesmeli	0:3a2f06aeceaf	2003	}
buyukesmeli	0:3a2f06aeceaf	2004
buyukesmeli	0:3a2f06aeceaf	2005	if (_DF1S && w >= 0x100) { /* DBC (always false at SBCS cfg) */
buyukesmeli	0:3a2f06aeceaf	2006	if (i >= ni - 1) {
buyukesmeli	0:3a2f06aeceaf	2007	cf \|= NS_LOSS \| NS_LFN; i = ni; continue;
buyukesmeli	0:3a2f06aeceaf	2008	}
buyukesmeli	0:3a2f06aeceaf	2009	dp->fn[i++] = (BYTE)(w >> 8);
buyukesmeli	0:3a2f06aeceaf	2010	} else { /* SBC */
buyukesmeli	0:3a2f06aeceaf	2011	if (!w \|\| chk_chr("+,;=[]", w)) { /* Replace illegal characters for SFN */
buyukesmeli	0:3a2f06aeceaf	2012	w = '_'; cf \|= NS_LOSS \| NS_LFN;/* Lossy conversion */
buyukesmeli	0:3a2f06aeceaf	2013	} else {
buyukesmeli	0:3a2f06aeceaf	2014	if (IsUpper(w)) { /* ASCII large capital */
buyukesmeli	0:3a2f06aeceaf	2015	b \|= 2;
buyukesmeli	0:3a2f06aeceaf	2016	} else {
buyukesmeli	0:3a2f06aeceaf	2017	if (IsLower(w)) { /* ASCII small capital */
buyukesmeli	0:3a2f06aeceaf	2018	b \|= 1; w -= 0x20;
buyukesmeli	0:3a2f06aeceaf	2019	}
buyukesmeli	0:3a2f06aeceaf	2020	}
buyukesmeli	0:3a2f06aeceaf	2021	}
buyukesmeli	0:3a2f06aeceaf	2022	}
buyukesmeli	0:3a2f06aeceaf	2023	dp->fn[i++] = (BYTE)w;
buyukesmeli	0:3a2f06aeceaf	2024	}
buyukesmeli	0:3a2f06aeceaf	2025
buyukesmeli	0:3a2f06aeceaf	2026	if (dp->fn[0] == DDEM) dp->fn[0] = RDDEM; /* If the first character collides with deleted mark, replace it with RDDEM */
buyukesmeli	0:3a2f06aeceaf	2027
buyukesmeli	0:3a2f06aeceaf	2028	if (ni == 8) b <<= 2;
buyukesmeli	0:3a2f06aeceaf	2029	if ((b & 0x0C) == 0x0C \|\| (b & 0x03) == 0x03) /* Create LFN entry when there are composite capitals */
buyukesmeli	0:3a2f06aeceaf	2030	cf \|= NS_LFN;
buyukesmeli	0:3a2f06aeceaf	2031	if (!(cf & NS_LFN)) { /* When LFN is in 8.3 format without extended character, NT flags are created */
buyukesmeli	0:3a2f06aeceaf	2032	if ((b & 0x03) == 0x01) cf \|= NS_EXT; /* NT flag (Extension has only small capital) */
buyukesmeli	0:3a2f06aeceaf	2033	if ((b & 0x0C) == 0x04) cf \|= NS_BODY; /* NT flag (Filename has only small capital) */
buyukesmeli	0:3a2f06aeceaf	2034	}
buyukesmeli	0:3a2f06aeceaf	2035
buyukesmeli	0:3a2f06aeceaf	2036	dp->fn[NSFLAG] = cf; /* SFN is created */
buyukesmeli	0:3a2f06aeceaf	2037
buyukesmeli	0:3a2f06aeceaf	2038	return FR_OK;
buyukesmeli	0:3a2f06aeceaf	2039
buyukesmeli	0:3a2f06aeceaf	2040
buyukesmeli	0:3a2f06aeceaf	2041	#else /* Non-LFN configuration */
buyukesmeli	0:3a2f06aeceaf	2042	BYTE b, c, d, *sfn;
buyukesmeli	0:3a2f06aeceaf	2043	UINT ni, si, i;
buyukesmeli	0:3a2f06aeceaf	2044	const char *p;
buyukesmeli	0:3a2f06aeceaf	2045
buyukesmeli	0:3a2f06aeceaf	2046	/* Create file name in directory form */
buyukesmeli	0:3a2f06aeceaf	2047	for (p = path; p == '/' \|\| p == '\\'; p++) ; / Strip duplicated separator */
buyukesmeli	0:3a2f06aeceaf	2048	sfn = dp->fn;
buyukesmeli	0:3a2f06aeceaf	2049	mem_set(sfn, ' ', 11);
buyukesmeli	0:3a2f06aeceaf	2050	si = i = b = 0; ni = 8;
buyukesmeli	0:3a2f06aeceaf	2051	#if _FS_RPATH
buyukesmeli	0:3a2f06aeceaf	2052	if (p[si] == '.') { /* Is this a dot entry? */
buyukesmeli	0:3a2f06aeceaf	2053	for (;;) {
buyukesmeli	0:3a2f06aeceaf	2054	c = (BYTE)p[si++];
buyukesmeli	0:3a2f06aeceaf	2055	if (c != '.' \|\| si >= 3) break;
buyukesmeli	0:3a2f06aeceaf	2056	sfn[i++] = c;
buyukesmeli	0:3a2f06aeceaf	2057	}
buyukesmeli	0:3a2f06aeceaf	2058	if (c != '/' && c != '\\' && c > ' ') return FR_INVALID_NAME;
buyukesmeli	0:3a2f06aeceaf	2059	path = &p[si]; / Return pointer to the next segment */
buyukesmeli	0:3a2f06aeceaf	2060	sfn[NSFLAG] = (c <= ' ') ? NS_LAST \| NS_DOT : NS_DOT; /* Set last segment flag if end of path */
buyukesmeli	0:3a2f06aeceaf	2061	return FR_OK;
buyukesmeli	0:3a2f06aeceaf	2062	}
buyukesmeli	0:3a2f06aeceaf	2063	#endif
buyukesmeli	0:3a2f06aeceaf	2064	for (;;) {
buyukesmeli	0:3a2f06aeceaf	2065	c = (BYTE)p[si++];
buyukesmeli	0:3a2f06aeceaf	2066	if (c <= ' ' \|\| c == '/' \|\| c == '\\') break; /* Break on end of segment */
buyukesmeli	0:3a2f06aeceaf	2067	if (c == '.' \|\| i >= ni) {
buyukesmeli	0:3a2f06aeceaf	2068	if (ni != 8 \|\| c != '.') return FR_INVALID_NAME;
buyukesmeli	0:3a2f06aeceaf	2069	i = 8; ni = 11;
buyukesmeli	0:3a2f06aeceaf	2070	b <<= 2; continue;
buyukesmeli	0:3a2f06aeceaf	2071	}
buyukesmeli	0:3a2f06aeceaf	2072	if (c >= 0x80) { /* Extended character? */
buyukesmeli	0:3a2f06aeceaf	2073	b \|= 3; /* Eliminate NT flag */
buyukesmeli	0:3a2f06aeceaf	2074	#ifdef _EXCVT
buyukesmeli	0:3a2f06aeceaf	2075	c = ExCvt[c - 0x80]; /* To upper extended characters (SBCS cfg) */
buyukesmeli	0:3a2f06aeceaf	2076	#else
buyukesmeli	0:3a2f06aeceaf	2077	#if !_DF1S
buyukesmeli	0:3a2f06aeceaf	2078	return FR_INVALID_NAME; /* Reject extended characters (ASCII cfg) */
buyukesmeli	0:3a2f06aeceaf	2079	#endif
buyukesmeli	0:3a2f06aeceaf	2080	#endif
buyukesmeli	0:3a2f06aeceaf	2081	}
buyukesmeli	0:3a2f06aeceaf	2082	if (IsDBCS1(c)) { /* Check if it is a DBC 1st byte (always false on SBCS cfg) */
buyukesmeli	0:3a2f06aeceaf	2083	d = (BYTE)p[si++]; /* Get 2nd byte */
buyukesmeli	0:3a2f06aeceaf	2084	if (!IsDBCS2(d) \|\| i >= ni - 1) /* Reject invalid DBC */
buyukesmeli	0:3a2f06aeceaf	2085	return FR_INVALID_NAME;
buyukesmeli	0:3a2f06aeceaf	2086	sfn[i++] = c;
buyukesmeli	0:3a2f06aeceaf	2087	sfn[i++] = d;
buyukesmeli	0:3a2f06aeceaf	2088	} else { /* SBC */
buyukesmeli	0:3a2f06aeceaf	2089	if (chk_chr("\"+,:;<=>\?[]\|\x7F", c)) / Reject illegal chrs for SFN */
buyukesmeli	0:3a2f06aeceaf	2090	return FR_INVALID_NAME;
buyukesmeli	0:3a2f06aeceaf	2091	if (IsUpper(c)) { /* ASCII large capital? */
buyukesmeli	0:3a2f06aeceaf	2092	b \|= 2;
buyukesmeli	0:3a2f06aeceaf	2093	} else {
buyukesmeli	0:3a2f06aeceaf	2094	if (IsLower(c)) { /* ASCII small capital? */
buyukesmeli	0:3a2f06aeceaf	2095	b \|= 1; c -= 0x20;
buyukesmeli	0:3a2f06aeceaf	2096	}
buyukesmeli	0:3a2f06aeceaf	2097	}
buyukesmeli	0:3a2f06aeceaf	2098	sfn[i++] = c;
buyukesmeli	0:3a2f06aeceaf	2099	}
buyukesmeli	0:3a2f06aeceaf	2100	}
buyukesmeli	0:3a2f06aeceaf	2101	path = &p[si]; / Return pointer to the next segment */
buyukesmeli	0:3a2f06aeceaf	2102	c = (c <= ' ') ? NS_LAST : 0; /* Set last segment flag if end of path */
buyukesmeli	0:3a2f06aeceaf	2103
buyukesmeli	0:3a2f06aeceaf	2104	if (!i) return FR_INVALID_NAME; /* Reject nul string */
buyukesmeli	0:3a2f06aeceaf	2105	if (sfn[0] == DDEM) sfn[0] = RDDEM; /* When first character collides with DDEM, replace it with RDDEM */
buyukesmeli	0:3a2f06aeceaf	2106
buyukesmeli	0:3a2f06aeceaf	2107	if (ni == 8) b <<= 2;
buyukesmeli	0:3a2f06aeceaf	2108	if ((b & 0x03) == 0x01) c \|= NS_EXT; /* NT flag (Name extension has only small capital) */
buyukesmeli	0:3a2f06aeceaf	2109	if ((b & 0x0C) == 0x04) c \|= NS_BODY; /* NT flag (Name body has only small capital) */
buyukesmeli	0:3a2f06aeceaf	2110
buyukesmeli	0:3a2f06aeceaf	2111	sfn[NSFLAG] = c; /* Store NT flag, File name is created */
buyukesmeli	0:3a2f06aeceaf	2112
buyukesmeli	0:3a2f06aeceaf	2113	return FR_OK;
buyukesmeli	0:3a2f06aeceaf	2114	#endif
buyukesmeli	0:3a2f06aeceaf	2115	}
buyukesmeli	0:3a2f06aeceaf	2116
buyukesmeli	0:3a2f06aeceaf	2117
buyukesmeli	0:3a2f06aeceaf	2118
buyukesmeli	0:3a2f06aeceaf	2119
buyukesmeli	0:3a2f06aeceaf	2120	/-----------------------------------------------------------------------/
buyukesmeli	0:3a2f06aeceaf	2121	/* Follow a file path */
buyukesmeli	0:3a2f06aeceaf	2122	/-----------------------------------------------------------------------/
buyukesmeli	0:3a2f06aeceaf	2123
buyukesmeli	0:3a2f06aeceaf	2124	static
buyukesmeli	0:3a2f06aeceaf	2125	FRESULT follow_path ( /* FR_OK(0): successful, !=0: error code */
buyukesmeli	0:3a2f06aeceaf	2126	DIR_* dp, /* Directory object to return last directory and found object */
buyukesmeli	0:3a2f06aeceaf	2127	const TCHAR* path /* Full-path string to find a file or directory */
buyukesmeli	0:3a2f06aeceaf	2128	)
buyukesmeli	0:3a2f06aeceaf	2129	{
buyukesmeli	0:3a2f06aeceaf	2130	FRESULT res;
buyukesmeli	0:3a2f06aeceaf	2131	BYTE *dir, ns;
buyukesmeli	0:3a2f06aeceaf	2132
buyukesmeli	0:3a2f06aeceaf	2133
buyukesmeli	0:3a2f06aeceaf	2134	#if _FS_RPATH
buyukesmeli	0:3a2f06aeceaf	2135	if (path == '/' \|\| path == '\\') { /* There is a heading separator */
buyukesmeli	0:3a2f06aeceaf	2136	path++; dp->sclust = 0; /* Strip it and start from the root directory */
buyukesmeli	0:3a2f06aeceaf	2137	} else { /* No heading separator */
buyukesmeli	0:3a2f06aeceaf	2138	dp->sclust = dp->fs->cdir; /* Start from the current directory */
buyukesmeli	0:3a2f06aeceaf	2139	}
buyukesmeli	0:3a2f06aeceaf	2140	#else
buyukesmeli	0:3a2f06aeceaf	2141	if (path == '/' \|\| path == '\\') /* Strip heading separator if exist */
buyukesmeli	0:3a2f06aeceaf	2142	path++;
buyukesmeli	0:3a2f06aeceaf	2143	dp->sclust = 0; /* Always start from the root directory */
buyukesmeli	0:3a2f06aeceaf	2144	#endif
buyukesmeli	0:3a2f06aeceaf	2145
buyukesmeli	0:3a2f06aeceaf	2146	if ((UINT)path < ' ') { / Null path name is the origin directory itself */
buyukesmeli	0:3a2f06aeceaf	2147	res = dir_sdi(dp, 0);
buyukesmeli	0:3a2f06aeceaf	2148	dp->dir = 0;
buyukesmeli	0:3a2f06aeceaf	2149	} else { /* Follow path */
buyukesmeli	0:3a2f06aeceaf	2150	for (;;) {
buyukesmeli	0:3a2f06aeceaf	2151	res = create_name(dp, &path); /* Get a segment name of the path */
buyukesmeli	0:3a2f06aeceaf	2152	if (res != FR_OK) break;
buyukesmeli	0:3a2f06aeceaf	2153	res = dir_find(dp); /* Find an object with the sagment name */
buyukesmeli	0:3a2f06aeceaf	2154	ns = dp->fn[NSFLAG];
buyukesmeli	0:3a2f06aeceaf	2155	if (res != FR_OK) { /* Failed to find the object */
buyukesmeli	0:3a2f06aeceaf	2156	if (res == FR_NO_FILE) { /* Object is not found */
buyukesmeli	0:3a2f06aeceaf	2157	if (_FS_RPATH && (ns & NS_DOT)) { /* If dot entry is not exist, */
buyukesmeli	0:3a2f06aeceaf	2158	dp->sclust = 0; dp->dir = 0; /* it is the root directory and stay there */
buyukesmeli	0:3a2f06aeceaf	2159	if (!(ns & NS_LAST)) continue; /* Continue to follow if not last segment */
buyukesmeli	0:3a2f06aeceaf	2160	res = FR_OK; /* Ended at the root directroy. Function completed. */
buyukesmeli	0:3a2f06aeceaf	2161	} else { /* Could not find the object */
buyukesmeli	0:3a2f06aeceaf	2162	if (!(ns & NS_LAST)) res = FR_NO_PATH; /* Adjust error code if not last segment */
buyukesmeli	0:3a2f06aeceaf	2163	}
buyukesmeli	0:3a2f06aeceaf	2164	}
buyukesmeli	0:3a2f06aeceaf	2165	break;
buyukesmeli	0:3a2f06aeceaf	2166	}
buyukesmeli	0:3a2f06aeceaf	2167	if (ns & NS_LAST) break; /* Last segment matched. Function completed. */
buyukesmeli	0:3a2f06aeceaf	2168	dir = dp->dir; /* Follow the sub-directory */
buyukesmeli	0:3a2f06aeceaf	2169	if (!(dir[DIR_Attr] & AM_DIR)) { /* It is not a sub-directory and cannot follow */
buyukesmeli	0:3a2f06aeceaf	2170	res = FR_NO_PATH; break;
buyukesmeli	0:3a2f06aeceaf	2171	}
buyukesmeli	0:3a2f06aeceaf	2172	dp->sclust = ld_clust(dp->fs, dir);
buyukesmeli	0:3a2f06aeceaf	2173	}
buyukesmeli	0:3a2f06aeceaf	2174	}
buyukesmeli	0:3a2f06aeceaf	2175
buyukesmeli	0:3a2f06aeceaf	2176	return res;
buyukesmeli	0:3a2f06aeceaf	2177	}
buyukesmeli	0:3a2f06aeceaf	2178
buyukesmeli	0:3a2f06aeceaf	2179
buyukesmeli	0:3a2f06aeceaf	2180
buyukesmeli	0:3a2f06aeceaf	2181
buyukesmeli	0:3a2f06aeceaf	2182	/-----------------------------------------------------------------------/
buyukesmeli	0:3a2f06aeceaf	2183	/* Get logical drive number from path name */
buyukesmeli	0:3a2f06aeceaf	2184	/-----------------------------------------------------------------------/
buyukesmeli	0:3a2f06aeceaf	2185
buyukesmeli	0:3a2f06aeceaf	2186	static
buyukesmeli	0:3a2f06aeceaf	2187	int get_ldnumber ( /* Returns logical drive number (-1:invalid drive) */
buyukesmeli	0:3a2f06aeceaf	2188	const TCHAR** path /* Pointer to pointer to the path name */
buyukesmeli	0:3a2f06aeceaf	2189	)
buyukesmeli	0:3a2f06aeceaf	2190	{
buyukesmeli	0:3a2f06aeceaf	2191	const TCHAR tp, tt;
buyukesmeli	0:3a2f06aeceaf	2192	UINT i;
buyukesmeli	0:3a2f06aeceaf	2193	int vol = -1;
buyukesmeli	0:3a2f06aeceaf	2194	#if _STR_VOLUME_ID /* Find string drive id */
buyukesmeli	0:3a2f06aeceaf	2195	static const char* const str[] = {_VOLUME_STRS};
buyukesmeli	0:3a2f06aeceaf	2196	const char *sp;
buyukesmeli	0:3a2f06aeceaf	2197	char c;
buyukesmeli	0:3a2f06aeceaf	2198	TCHAR tc;
buyukesmeli	0:3a2f06aeceaf	2199	#endif
buyukesmeli	0:3a2f06aeceaf	2200
buyukesmeli	0:3a2f06aeceaf	2201
buyukesmeli	0:3a2f06aeceaf	2202	if (path) { / If the pointer is not a null */
buyukesmeli	0:3a2f06aeceaf	2203	for (tt = path; (UINT)tt >= (_USE_LFN ? ' ' : '!') && tt != ':'; tt++) ; / Find ':' in the path */
buyukesmeli	0:3a2f06aeceaf	2204	if (tt == ':') { / If a ':' is exist in the path name */
buyukesmeli	0:3a2f06aeceaf	2205	tp = *path;
buyukesmeli	0:3a2f06aeceaf	2206	i = *tp++ - '0';
buyukesmeli	0:3a2f06aeceaf	2207	if (i < 10 && tp == tt) { /* Is there a numeric drive id? */
buyukesmeli	0:3a2f06aeceaf	2208	if (i < _VOLUMES) { /* If a drive id is found, get the value and strip it */
buyukesmeli	0:3a2f06aeceaf	2209	vol = (int)i;
buyukesmeli	0:3a2f06aeceaf	2210	*path = ++tt;
buyukesmeli	0:3a2f06aeceaf	2211	}
buyukesmeli	0:3a2f06aeceaf	2212	}
buyukesmeli	0:3a2f06aeceaf	2213	#if _STR_VOLUME_ID
buyukesmeli	0:3a2f06aeceaf	2214	else { /* No numeric drive number, find string drive id */
buyukesmeli	0:3a2f06aeceaf	2215	i = 0; tt++;
buyukesmeli	0:3a2f06aeceaf	2216	do {
buyukesmeli	0:3a2f06aeceaf	2217	sp = str[i]; tp = *path;
buyukesmeli	0:3a2f06aeceaf	2218	do { /* Compare a string drive id with path name */
buyukesmeli	0:3a2f06aeceaf	2219	c = sp++; tc = tp++;
buyukesmeli	0:3a2f06aeceaf	2220	if (IsLower(tc)) tc -= 0x20;
buyukesmeli	0:3a2f06aeceaf	2221	} while (c && (TCHAR)c == tc);
buyukesmeli	0:3a2f06aeceaf	2222	} while ((c \|\| tp != tt) && ++i < _VOLUMES); /* Repeat for each id until pattern match */
buyukesmeli	0:3a2f06aeceaf	2223	if (i < _VOLUMES) { /* If a drive id is found, get the value and strip it */
buyukesmeli	0:3a2f06aeceaf	2224	vol = (int)i;
buyukesmeli	0:3a2f06aeceaf	2225	*path = tt;
buyukesmeli	0:3a2f06aeceaf	2226	}
buyukesmeli	0:3a2f06aeceaf	2227	}
buyukesmeli	0:3a2f06aeceaf	2228	#endif
buyukesmeli	0:3a2f06aeceaf	2229	return vol;
buyukesmeli	0:3a2f06aeceaf	2230	}
buyukesmeli	0:3a2f06aeceaf	2231	#if _FS_RPATH && _VOLUMES >= 2
buyukesmeli	0:3a2f06aeceaf	2232	vol = CurrVol; /* Current drive */
buyukesmeli	0:3a2f06aeceaf	2233	#else
buyukesmeli	0:3a2f06aeceaf	2234	vol = 0; /* Drive 0 */
buyukesmeli	0:3a2f06aeceaf	2235	#endif
buyukesmeli	0:3a2f06aeceaf	2236	}
buyukesmeli	0:3a2f06aeceaf	2237	return vol;
buyukesmeli	0:3a2f06aeceaf	2238	}
buyukesmeli	0:3a2f06aeceaf	2239
buyukesmeli	0:3a2f06aeceaf	2240
buyukesmeli	0:3a2f06aeceaf	2241
buyukesmeli	0:3a2f06aeceaf	2242
buyukesmeli	0:3a2f06aeceaf	2243	/-----------------------------------------------------------------------/
buyukesmeli	0:3a2f06aeceaf	2244	/* Load a sector and check if it is an FAT boot sector */
buyukesmeli	0:3a2f06aeceaf	2245	/-----------------------------------------------------------------------/
buyukesmeli	0:3a2f06aeceaf	2246
buyukesmeli	0:3a2f06aeceaf	2247	static
buyukesmeli	0:3a2f06aeceaf	2248	BYTE check_fs ( /* 0:FAT boor sector, 1:Valid boor sector but not FAT, 2:Not a boot sector, 3:Disk error */
buyukesmeli	0:3a2f06aeceaf	2249	FATFS* fs, /* File system object */
buyukesmeli	0:3a2f06aeceaf	2250	DWORD sect /* Sector# (lba) to check if it is an FAT boot record or not */
buyukesmeli	0:3a2f06aeceaf	2251	)
buyukesmeli	0:3a2f06aeceaf	2252	{
buyukesmeli	0:3a2f06aeceaf	2253	fs->wflag = 0; fs->winsect = 0xFFFFFFFF; /* Invaidate window */
buyukesmeli	0:3a2f06aeceaf	2254	if (move_window(fs, sect) != FR_OK) /* Load boot record */
buyukesmeli	0:3a2f06aeceaf	2255	return 3;
buyukesmeli	0:3a2f06aeceaf	2256
buyukesmeli	0:3a2f06aeceaf	2257	if (LD_WORD(&fs->win.d8[BS_55AA]) != 0xAA55) /* Check boot record signature (always placed at offset 510 even if the sector size is >512) */
buyukesmeli	0:3a2f06aeceaf	2258	return 2;
buyukesmeli	0:3a2f06aeceaf	2259
buyukesmeli	0:3a2f06aeceaf	2260	if ((LD_DWORD(&fs->win.d8[BS_FilSysType]) & 0xFFFFFF) == 0x544146) /* Check "FAT" string */
buyukesmeli	0:3a2f06aeceaf	2261	return 0;
buyukesmeli	0:3a2f06aeceaf	2262	if ((LD_DWORD(&fs->win.d8[BS_FilSysType32]) & 0xFFFFFF) == 0x544146) /* Check "FAT" string */
buyukesmeli	0:3a2f06aeceaf	2263	return 0;
buyukesmeli	0:3a2f06aeceaf	2264
buyukesmeli	0:3a2f06aeceaf	2265	return 1;
buyukesmeli	0:3a2f06aeceaf	2266	}
buyukesmeli	0:3a2f06aeceaf	2267
buyukesmeli	0:3a2f06aeceaf	2268
buyukesmeli	0:3a2f06aeceaf	2269
buyukesmeli	0:3a2f06aeceaf	2270
buyukesmeli	0:3a2f06aeceaf	2271	/-----------------------------------------------------------------------/
buyukesmeli	0:3a2f06aeceaf	2272	/* Find logical drive and check if the volume is mounted */
buyukesmeli	0:3a2f06aeceaf	2273	/-----------------------------------------------------------------------/
buyukesmeli	0:3a2f06aeceaf	2274
buyukesmeli	0:3a2f06aeceaf	2275	static
buyukesmeli	0:3a2f06aeceaf	2276	FRESULT find_volume ( /* FR_OK(0): successful, !=0: any error occurred */
buyukesmeli	0:3a2f06aeceaf	2277	FATFS** rfs, /* Pointer to pointer to the found file system object */
buyukesmeli	0:3a2f06aeceaf	2278	const TCHAR** path, /* Pointer to pointer to the path name (drive number) */
buyukesmeli	0:3a2f06aeceaf	2279	BYTE wmode /* !=0: Check write protection for write access */
buyukesmeli	0:3a2f06aeceaf	2280	)
buyukesmeli	0:3a2f06aeceaf	2281	{
buyukesmeli	0:3a2f06aeceaf	2282	BYTE fmt, *pt;
buyukesmeli	0:3a2f06aeceaf	2283	int vol;
buyukesmeli	0:3a2f06aeceaf	2284	DSTATUS stat;
buyukesmeli	0:3a2f06aeceaf	2285	DWORD bsect, fasize, tsect, sysect, nclst, szbfat, br[4];
buyukesmeli	0:3a2f06aeceaf	2286	WORD nrsv;
buyukesmeli	0:3a2f06aeceaf	2287	FATFS *fs;
buyukesmeli	0:3a2f06aeceaf	2288	UINT i;
buyukesmeli	0:3a2f06aeceaf	2289
buyukesmeli	0:3a2f06aeceaf	2290
buyukesmeli	0:3a2f06aeceaf	2291	/* Get logical drive number from the path name */
buyukesmeli	0:3a2f06aeceaf	2292	*rfs = 0;
buyukesmeli	0:3a2f06aeceaf	2293	vol = get_ldnumber(path);
buyukesmeli	0:3a2f06aeceaf	2294	if (vol < 0) return FR_INVALID_DRIVE;
buyukesmeli	0:3a2f06aeceaf	2295
buyukesmeli	0:3a2f06aeceaf	2296	/* Check if the file system object is valid or not */
buyukesmeli	0:3a2f06aeceaf	2297	fs = FatFs[vol]; /* Get pointer to the file system object */
buyukesmeli	0:3a2f06aeceaf	2298	if (!fs) return FR_NOT_ENABLED; /* Is the file system object available? */
buyukesmeli	0:3a2f06aeceaf	2299
buyukesmeli	0:3a2f06aeceaf	2300	ENTER_FF(fs); /* Lock the volume */
buyukesmeli	0:3a2f06aeceaf	2301	rfs = fs; / Return pointer to the file system object */
buyukesmeli	0:3a2f06aeceaf	2302
buyukesmeli	0:3a2f06aeceaf	2303	if (fs->fs_type) { /* If the volume has been mounted */
buyukesmeli	0:3a2f06aeceaf	2304	stat = disk_status(fs->drv);
buyukesmeli	0:3a2f06aeceaf	2305	if (!(stat & STA_NOINIT)) { /* and the physical drive is kept initialized */
buyukesmeli	0:3a2f06aeceaf	2306	if (!_FS_READONLY && wmode && (stat & STA_PROTECT)) /* Check write protection if needed */
buyukesmeli	0:3a2f06aeceaf	2307	return FR_WRITE_PROTECTED;
buyukesmeli	0:3a2f06aeceaf	2308	return FR_OK; /* The file system object is valid */
buyukesmeli	0:3a2f06aeceaf	2309	}
buyukesmeli	0:3a2f06aeceaf	2310	}
buyukesmeli	0:3a2f06aeceaf	2311
buyukesmeli	0:3a2f06aeceaf	2312	/* The file system object is not valid. */
buyukesmeli	0:3a2f06aeceaf	2313	/* Following code attempts to mount the volume. (analyze BPB and initialize the fs object) */
buyukesmeli	0:3a2f06aeceaf	2314
buyukesmeli	0:3a2f06aeceaf	2315	fs->fs_type = 0; /* Clear the file system object */
buyukesmeli	0:3a2f06aeceaf	2316	fs->drv = LD2PD(vol); /* Bind the logical drive and a physical drive */
buyukesmeli	0:3a2f06aeceaf	2317	stat = disk_initialize(fs->drv); /* Initialize the physical drive */
buyukesmeli	0:3a2f06aeceaf	2318	if (stat & STA_NOINIT) /* Check if the initialization succeeded */
buyukesmeli	0:3a2f06aeceaf	2319	return FR_NOT_READY; /* Failed to initialize due to no medium or hard error */
buyukesmeli	0:3a2f06aeceaf	2320	if (!_FS_READONLY && wmode && (stat & STA_PROTECT)) /* Check disk write protection if needed */
buyukesmeli	0:3a2f06aeceaf	2321	return FR_WRITE_PROTECTED;
buyukesmeli	0:3a2f06aeceaf	2322	#if _MAX_SS != _MIN_SS /* Get sector size (multiple sector size cfg only) */
buyukesmeli	0:3a2f06aeceaf	2323	if (disk_ioctl(fs->drv, GET_SECTOR_SIZE, &SS(fs)) != RES_OK
buyukesmeli	0:3a2f06aeceaf	2324	\|\| SS(fs) < _MIN_SS \|\| SS(fs) > _MAX_SS) return FR_DISK_ERR;
buyukesmeli	0:3a2f06aeceaf	2325	#endif
buyukesmeli	0:3a2f06aeceaf	2326	/* Find an FAT partition on the drive. Supports only generic partitioning, FDISK and SFD. */
buyukesmeli	0:3a2f06aeceaf	2327	bsect = 0;
buyukesmeli	0:3a2f06aeceaf	2328	fmt = check_fs(fs, bsect); /* Load sector 0 and check if it is an FAT boot sector as SFD */
buyukesmeli	0:3a2f06aeceaf	2329	if (fmt == 1 \|\| (!fmt && (LD2PT(vol)))) { /* Not an FAT boot sector or forced partition number */
buyukesmeli	0:3a2f06aeceaf	2330	for (i = 0; i < 4; i++) { /* Get partition offset */
buyukesmeli	0:3a2f06aeceaf	2331	pt = fs->win.d8 + MBR_Table + i * SZ_PTE;
buyukesmeli	0:3a2f06aeceaf	2332	br[i] = pt[4] ? LD_DWORD(&pt[8]) : 0;
buyukesmeli	0:3a2f06aeceaf	2333	}
buyukesmeli	0:3a2f06aeceaf	2334	i = LD2PT(vol); /* Partition number: 0:auto, 1-4:forced */
buyukesmeli	0:3a2f06aeceaf	2335	if (i) i--;
buyukesmeli	0:3a2f06aeceaf	2336	do { /* Find an FAT volume */
buyukesmeli	0:3a2f06aeceaf	2337	bsect = br[i];
buyukesmeli	0:3a2f06aeceaf	2338	fmt = bsect ? check_fs(fs, bsect) : 2; /* Check the partition */
buyukesmeli	0:3a2f06aeceaf	2339	} while (!LD2PT(vol) && fmt && ++i < 4);
buyukesmeli	0:3a2f06aeceaf	2340	}
buyukesmeli	0:3a2f06aeceaf	2341	if (fmt == 3) return FR_DISK_ERR; /* An error occured in the disk I/O layer */
buyukesmeli	0:3a2f06aeceaf	2342	if (fmt) return FR_NO_FILESYSTEM; /* No FAT volume is found */
buyukesmeli	0:3a2f06aeceaf	2343
buyukesmeli	0:3a2f06aeceaf	2344	/* An FAT volume is found. Following code initializes the file system object */
buyukesmeli	0:3a2f06aeceaf	2345
buyukesmeli	0:3a2f06aeceaf	2346	if (LD_WORD(fs->win.d8 + BPB_BytsPerSec) != SS(fs)) /* (BPB_BytsPerSec must be equal to the physical sector size) */
buyukesmeli	0:3a2f06aeceaf	2347	return FR_NO_FILESYSTEM;
buyukesmeli	0:3a2f06aeceaf	2348
buyukesmeli	0:3a2f06aeceaf	2349	fasize = LD_WORD(fs->win.d8 + BPB_FATSz16); /* Number of sectors per FAT */
buyukesmeli	0:3a2f06aeceaf	2350	if (!fasize) fasize = LD_DWORD(fs->win.d8 + BPB_FATSz32);
buyukesmeli	0:3a2f06aeceaf	2351	fs->fsize = fasize;
buyukesmeli	0:3a2f06aeceaf	2352
buyukesmeli	0:3a2f06aeceaf	2353	fs->n_fats = fs->win.d8[BPB_NumFATs]; /* Number of FAT copies */
buyukesmeli	0:3a2f06aeceaf	2354	if (fs->n_fats != 1 && fs->n_fats != 2) /* (Must be 1 or 2) */
buyukesmeli	0:3a2f06aeceaf	2355	return FR_NO_FILESYSTEM;
buyukesmeli	0:3a2f06aeceaf	2356	fasize = fs->n_fats; / Number of sectors for FAT area */
buyukesmeli	0:3a2f06aeceaf	2357
buyukesmeli	0:3a2f06aeceaf	2358	fs->csize = fs->win.d8[BPB_SecPerClus]; /* Number of sectors per cluster */
buyukesmeli	0:3a2f06aeceaf	2359	if (!fs->csize \|\| (fs->csize & (fs->csize - 1))) /* (Must be power of 2) */
buyukesmeli	0:3a2f06aeceaf	2360	return FR_NO_FILESYSTEM;
buyukesmeli	0:3a2f06aeceaf	2361
buyukesmeli	0:3a2f06aeceaf	2362	fs->n_rootdir = LD_WORD(fs->win.d8 + BPB_RootEntCnt); /* Number of root directory entries */
buyukesmeli	0:3a2f06aeceaf	2363	if (fs->n_rootdir % (SS(fs) / SZ_DIRE)) /* (Must be sector aligned) */
buyukesmeli	0:3a2f06aeceaf	2364	return FR_NO_FILESYSTEM;
buyukesmeli	0:3a2f06aeceaf	2365
buyukesmeli	0:3a2f06aeceaf	2366	tsect = LD_WORD(fs->win.d8 + BPB_TotSec16); /* Number of sectors on the volume */
buyukesmeli	0:3a2f06aeceaf	2367	if (!tsect) tsect = LD_DWORD(fs->win.d8 + BPB_TotSec32);
buyukesmeli	0:3a2f06aeceaf	2368
buyukesmeli	0:3a2f06aeceaf	2369	nrsv = LD_WORD(fs->win.d8 + BPB_RsvdSecCnt); /* Number of reserved sectors */
buyukesmeli	0:3a2f06aeceaf	2370	if (!nrsv) return FR_NO_FILESYSTEM; /* (Must not be 0) */
buyukesmeli	0:3a2f06aeceaf	2371
buyukesmeli	0:3a2f06aeceaf	2372	/* Determine the FAT sub type */
buyukesmeli	0:3a2f06aeceaf	2373	sysect = nrsv + fasize + fs->n_rootdir / (SS(fs) / SZ_DIRE); /* RSV + FAT + DIR */
buyukesmeli	0:3a2f06aeceaf	2374	if (tsect < sysect) return FR_NO_FILESYSTEM; /* (Invalid volume size) */
buyukesmeli	0:3a2f06aeceaf	2375	nclst = (tsect - sysect) / fs->csize; /* Number of clusters */
buyukesmeli	0:3a2f06aeceaf	2376	if (!nclst) return FR_NO_FILESYSTEM; /* (Invalid volume size) */
buyukesmeli	0:3a2f06aeceaf	2377	fmt = FS_FAT12;
buyukesmeli	0:3a2f06aeceaf	2378	if (nclst >= MIN_FAT16) fmt = FS_FAT16;
buyukesmeli	0:3a2f06aeceaf	2379	if (nclst >= MIN_FAT32) fmt = FS_FAT32;
buyukesmeli	0:3a2f06aeceaf	2380
buyukesmeli	0:3a2f06aeceaf	2381	/* Boundaries and Limits */
buyukesmeli	0:3a2f06aeceaf	2382	fs->n_fatent = nclst + 2; /* Number of FAT entries */
buyukesmeli	0:3a2f06aeceaf	2383	fs->volbase = bsect; /* Volume start sector */
buyukesmeli	0:3a2f06aeceaf	2384	fs->fatbase = bsect + nrsv; /* FAT start sector */
buyukesmeli	0:3a2f06aeceaf	2385	fs->database = bsect + sysect; /* Data start sector */
buyukesmeli	0:3a2f06aeceaf	2386	if (fmt == FS_FAT32) {
buyukesmeli	0:3a2f06aeceaf	2387	if (fs->n_rootdir) return FR_NO_FILESYSTEM; /* (BPB_RootEntCnt must be 0) */
buyukesmeli	0:3a2f06aeceaf	2388	fs->dirbase = LD_DWORD(fs->win.d8 + BPB_RootClus); /* Root directory start cluster */
buyukesmeli	0:3a2f06aeceaf	2389	szbfat = fs->n_fatent * 4; /* (Needed FAT size) */
buyukesmeli	0:3a2f06aeceaf	2390	} else {
buyukesmeli	0:3a2f06aeceaf	2391	if (!fs->n_rootdir) return FR_NO_FILESYSTEM; /* (BPB_RootEntCnt must not be 0) */
buyukesmeli	0:3a2f06aeceaf	2392	fs->dirbase = fs->fatbase + fasize; /* Root directory start sector */
buyukesmeli	0:3a2f06aeceaf	2393	szbfat = (fmt == FS_FAT16) ? /* (Needed FAT size) */
buyukesmeli	0:3a2f06aeceaf	2394	fs->n_fatent * 2 : fs->n_fatent * 3 / 2 + (fs->n_fatent & 1);
buyukesmeli	0:3a2f06aeceaf	2395	}
buyukesmeli	0:3a2f06aeceaf	2396	if (fs->fsize < (szbfat + (SS(fs) - 1)) / SS(fs)) /* (BPB_FATSz must not be less than the size needed) */
buyukesmeli	0:3a2f06aeceaf	2397	return FR_NO_FILESYSTEM;
buyukesmeli	0:3a2f06aeceaf	2398
buyukesmeli	0:3a2f06aeceaf	2399	#if !_FS_READONLY
buyukesmeli	0:3a2f06aeceaf	2400	/* Initialize cluster allocation information */
buyukesmeli	0:3a2f06aeceaf	2401	fs->last_clust = fs->free_clust = 0xFFFFFFFF;
buyukesmeli	0:3a2f06aeceaf	2402
buyukesmeli	0:3a2f06aeceaf	2403	/* Get fsinfo if available */
buyukesmeli	0:3a2f06aeceaf	2404	fs->fsi_flag = 0x80;
buyukesmeli	0:3a2f06aeceaf	2405	#if (_FS_NOFSINFO & 3) != 3
buyukesmeli	0:3a2f06aeceaf	2406	if (fmt == FS_FAT32 /* Enable FSINFO only if FAT32 and BPB_FSInfo is 1 */
buyukesmeli	0:3a2f06aeceaf	2407	&& LD_WORD(fs->win.d8 + BPB_FSInfo) == 1
buyukesmeli	0:3a2f06aeceaf	2408	&& move_window(fs, bsect + 1) == FR_OK)
buyukesmeli	0:3a2f06aeceaf	2409	{
buyukesmeli	0:3a2f06aeceaf	2410	fs->fsi_flag = 0;
buyukesmeli	0:3a2f06aeceaf	2411	if (LD_WORD(fs->win.d8 + BS_55AA) == 0xAA55 /* Load FSINFO data if available */
buyukesmeli	0:3a2f06aeceaf	2412	&& LD_DWORD(fs->win.d8 + FSI_LeadSig) == 0x41615252
buyukesmeli	0:3a2f06aeceaf	2413	&& LD_DWORD(fs->win.d8 + FSI_StrucSig) == 0x61417272)
buyukesmeli	0:3a2f06aeceaf	2414	{
buyukesmeli	0:3a2f06aeceaf	2415	#if (_FS_NOFSINFO & 1) == 0
buyukesmeli	0:3a2f06aeceaf	2416	fs->free_clust = LD_DWORD(fs->win.d8 + FSI_Free_Count);
buyukesmeli	0:3a2f06aeceaf	2417	#endif
buyukesmeli	0:3a2f06aeceaf	2418	#if (_FS_NOFSINFO & 2) == 0
buyukesmeli	0:3a2f06aeceaf	2419	fs->last_clust = LD_DWORD(fs->win.d8 + FSI_Nxt_Free);
buyukesmeli	0:3a2f06aeceaf	2420	#endif
buyukesmeli	0:3a2f06aeceaf	2421	}
buyukesmeli	0:3a2f06aeceaf	2422	}
buyukesmeli	0:3a2f06aeceaf	2423	#endif
buyukesmeli	0:3a2f06aeceaf	2424	#endif
buyukesmeli	0:3a2f06aeceaf	2425	fs->fs_type = fmt; /* FAT sub-type */
buyukesmeli	0:3a2f06aeceaf	2426	fs->id = ++Fsid; /* File system mount ID */
buyukesmeli	0:3a2f06aeceaf	2427	#if _FS_RPATH
buyukesmeli	0:3a2f06aeceaf	2428	fs->cdir = 0; /* Set current directory to root */
buyukesmeli	0:3a2f06aeceaf	2429	#endif
buyukesmeli	0:3a2f06aeceaf	2430	#if _FS_LOCK /* Clear file lock semaphores */
buyukesmeli	0:3a2f06aeceaf	2431	clear_lock(fs);
buyukesmeli	0:3a2f06aeceaf	2432	#endif
buyukesmeli	0:3a2f06aeceaf	2433
buyukesmeli	0:3a2f06aeceaf	2434	return FR_OK;
buyukesmeli	0:3a2f06aeceaf	2435	}
buyukesmeli	0:3a2f06aeceaf	2436
buyukesmeli	0:3a2f06aeceaf	2437
buyukesmeli	0:3a2f06aeceaf	2438
buyukesmeli	0:3a2f06aeceaf	2439
buyukesmeli	0:3a2f06aeceaf	2440	/-----------------------------------------------------------------------/
buyukesmeli	0:3a2f06aeceaf	2441	/* Check if the file/directory object is valid or not */
buyukesmeli	0:3a2f06aeceaf	2442	/-----------------------------------------------------------------------/
buyukesmeli	0:3a2f06aeceaf	2443
buyukesmeli	0:3a2f06aeceaf	2444	static
buyukesmeli	0:3a2f06aeceaf	2445	FRESULT validate ( /* FR_OK(0): The object is valid, !=0: Invalid */
buyukesmeli	0:3a2f06aeceaf	2446	void* obj /* Pointer to the object FIL/DIR to check validity */
buyukesmeli	0:3a2f06aeceaf	2447	)
buyukesmeli	0:3a2f06aeceaf	2448	{
buyukesmeli	0:3a2f06aeceaf	2449	FIL fil = (FIL)obj; /* Assuming offset of .fs and .id in the FIL/DIR structure is identical */
buyukesmeli	0:3a2f06aeceaf	2450
buyukesmeli	0:3a2f06aeceaf	2451
buyukesmeli	0:3a2f06aeceaf	2452	if (!fil \|\| !fil->fs \|\| !fil->fs->fs_type \|\| fil->fs->id != fil->id \|\| (disk_status(fil->fs->drv) & STA_NOINIT))
buyukesmeli	0:3a2f06aeceaf	2453	return FR_INVALID_OBJECT;
buyukesmeli	0:3a2f06aeceaf	2454
buyukesmeli	0:3a2f06aeceaf	2455	ENTER_FF(fil->fs); /* Lock file system */
buyukesmeli	0:3a2f06aeceaf	2456
buyukesmeli	0:3a2f06aeceaf	2457	return FR_OK;
buyukesmeli	0:3a2f06aeceaf	2458	}
buyukesmeli	0:3a2f06aeceaf	2459
buyukesmeli	0:3a2f06aeceaf	2460
buyukesmeli	0:3a2f06aeceaf	2461
buyukesmeli	0:3a2f06aeceaf	2462
buyukesmeli	0:3a2f06aeceaf	2463	/*--------------------------------------------------------------------------
buyukesmeli	0:3a2f06aeceaf	2464
buyukesmeli	0:3a2f06aeceaf	2465	Public Functions
buyukesmeli	0:3a2f06aeceaf	2466
buyukesmeli	0:3a2f06aeceaf	2467	--------------------------------------------------------------------------*/
buyukesmeli	0:3a2f06aeceaf	2468
buyukesmeli	0:3a2f06aeceaf	2469
buyukesmeli	0:3a2f06aeceaf	2470
buyukesmeli	0:3a2f06aeceaf	2471	/-----------------------------------------------------------------------/
buyukesmeli	0:3a2f06aeceaf	2472	/* Mount/Unmount a Logical Drive */
buyukesmeli	0:3a2f06aeceaf	2473	/-----------------------------------------------------------------------/
buyukesmeli	0:3a2f06aeceaf	2474
buyukesmeli	0:3a2f06aeceaf	2475	FRESULT f_mount (
buyukesmeli	0:3a2f06aeceaf	2476	FATFS* fs, /* Pointer to the file system object (NULL:unmount)*/
buyukesmeli	0:3a2f06aeceaf	2477	const TCHAR* path, /* Logical drive number to be mounted/unmounted */
buyukesmeli	0:3a2f06aeceaf	2478	BYTE opt /* 0:Do not mount (delayed mount), 1:Mount immediately */
buyukesmeli	0:3a2f06aeceaf	2479	)
buyukesmeli	0:3a2f06aeceaf	2480	{
buyukesmeli	0:3a2f06aeceaf	2481	FATFS *cfs;
buyukesmeli	0:3a2f06aeceaf	2482	int vol;
buyukesmeli	0:3a2f06aeceaf	2483	FRESULT res;
buyukesmeli	0:3a2f06aeceaf	2484	const TCHAR *rp = path;
buyukesmeli	0:3a2f06aeceaf	2485
buyukesmeli	0:3a2f06aeceaf	2486
buyukesmeli	0:3a2f06aeceaf	2487	vol = get_ldnumber(&rp);
buyukesmeli	0:3a2f06aeceaf	2488	if (vol < 0) return FR_INVALID_DRIVE;
buyukesmeli	0:3a2f06aeceaf	2489	cfs = FatFs[vol]; /* Pointer to fs object */
buyukesmeli	0:3a2f06aeceaf	2490
buyukesmeli	0:3a2f06aeceaf	2491	if (cfs) {
buyukesmeli	0:3a2f06aeceaf	2492	#if _FS_LOCK
buyukesmeli	0:3a2f06aeceaf	2493	clear_lock(cfs);
buyukesmeli	0:3a2f06aeceaf	2494	#endif
buyukesmeli	0:3a2f06aeceaf	2495	#if _FS_REENTRANT /* Discard sync object of the current volume */
buyukesmeli	0:3a2f06aeceaf	2496	if (!ff_del_syncobj(cfs->sobj)) return FR_INT_ERR;
buyukesmeli	0:3a2f06aeceaf	2497	#endif
buyukesmeli	0:3a2f06aeceaf	2498	cfs->fs_type = 0; /* Clear old fs object */
buyukesmeli	0:3a2f06aeceaf	2499	}
buyukesmeli	0:3a2f06aeceaf	2500
buyukesmeli	0:3a2f06aeceaf	2501	if (fs) {
buyukesmeli	0:3a2f06aeceaf	2502	fs->fs_type = 0; /* Clear new fs object */
buyukesmeli	0:3a2f06aeceaf	2503	#if _FS_REENTRANT /* Create sync object for the new volume */
buyukesmeli	0:3a2f06aeceaf	2504	if (!ff_cre_syncobj((BYTE)vol, &fs->sobj)) return FR_INT_ERR;
buyukesmeli	0:3a2f06aeceaf	2505	#endif
buyukesmeli	0:3a2f06aeceaf	2506	}
buyukesmeli	0:3a2f06aeceaf	2507	FatFs[vol] = fs; /* Register new fs object */
buyukesmeli	0:3a2f06aeceaf	2508
buyukesmeli	0:3a2f06aeceaf	2509	if (!fs \|\| opt != 1) return FR_OK; /* Do not mount now, it will be mounted later */
buyukesmeli	0:3a2f06aeceaf	2510
buyukesmeli	0:3a2f06aeceaf	2511	res = find_volume(&fs, &path, 0); /* Force mounted the volume */
buyukesmeli	0:3a2f06aeceaf	2512	LEAVE_FF(fs, res);
buyukesmeli	0:3a2f06aeceaf	2513	}
buyukesmeli	0:3a2f06aeceaf	2514
buyukesmeli	0:3a2f06aeceaf	2515
buyukesmeli	0:3a2f06aeceaf	2516
buyukesmeli	0:3a2f06aeceaf	2517
buyukesmeli	0:3a2f06aeceaf	2518	/-----------------------------------------------------------------------/
buyukesmeli	0:3a2f06aeceaf	2519	/* Open or Create a File */
buyukesmeli	0:3a2f06aeceaf	2520	/-----------------------------------------------------------------------/
buyukesmeli	0:3a2f06aeceaf	2521
buyukesmeli	0:3a2f06aeceaf	2522	FRESULT f_open (
buyukesmeli	0:3a2f06aeceaf	2523	FIL* fp, /* Pointer to the blank file object */
buyukesmeli	0:3a2f06aeceaf	2524	const TCHAR* path, /* Pointer to the file name */
buyukesmeli	0:3a2f06aeceaf	2525	BYTE mode /* Access mode and file open mode flags */
buyukesmeli	0:3a2f06aeceaf	2526	)
buyukesmeli	0:3a2f06aeceaf	2527	{
buyukesmeli	0:3a2f06aeceaf	2528	FRESULT res;
buyukesmeli	0:3a2f06aeceaf	2529	DIR_ dj;
buyukesmeli	0:3a2f06aeceaf	2530	BYTE *dir;
buyukesmeli	0:3a2f06aeceaf	2531	DEFINE_NAMEBUF;
buyukesmeli	0:3a2f06aeceaf	2532	#if !_FS_READONLY
buyukesmeli	0:3a2f06aeceaf	2533	DWORD dw, cl;
buyukesmeli	0:3a2f06aeceaf	2534	#endif
buyukesmeli	0:3a2f06aeceaf	2535
buyukesmeli	0:3a2f06aeceaf	2536
buyukesmeli	0:3a2f06aeceaf	2537	if (!fp) return FR_INVALID_OBJECT;
buyukesmeli	0:3a2f06aeceaf	2538	fp->fs = 0; /* Clear file object */
buyukesmeli	0:3a2f06aeceaf	2539
buyukesmeli	0:3a2f06aeceaf	2540	/* Get logical drive number */
buyukesmeli	0:3a2f06aeceaf	2541	#if !_FS_READONLY
buyukesmeli	0:3a2f06aeceaf	2542	mode &= FA_READ \| FA_WRITE \| FA_CREATE_ALWAYS \| FA_OPEN_ALWAYS \| FA_CREATE_NEW;
buyukesmeli	0:3a2f06aeceaf	2543	res = find_volume(&dj.fs, &path, (BYTE)(mode & ~FA_READ));
buyukesmeli	0:3a2f06aeceaf	2544	#else
buyukesmeli	0:3a2f06aeceaf	2545	mode &= FA_READ;
buyukesmeli	0:3a2f06aeceaf	2546	res = find_volume(&dj.fs, &path, 0);
buyukesmeli	0:3a2f06aeceaf	2547	#endif
buyukesmeli	0:3a2f06aeceaf	2548	if (res == FR_OK) {
buyukesmeli	0:3a2f06aeceaf	2549	INIT_BUF(dj);
buyukesmeli	0:3a2f06aeceaf	2550	res = follow_path(&dj, path); /* Follow the file path */
buyukesmeli	0:3a2f06aeceaf	2551	dir = dj.dir;
buyukesmeli	0:3a2f06aeceaf	2552	#if !_FS_READONLY /* R/W configuration */
buyukesmeli	0:3a2f06aeceaf	2553	if (res == FR_OK) {
buyukesmeli	0:3a2f06aeceaf	2554	if (!dir) /* Default directory itself */
buyukesmeli	0:3a2f06aeceaf	2555	res = FR_INVALID_NAME;
buyukesmeli	0:3a2f06aeceaf	2556	#if _FS_LOCK
buyukesmeli	0:3a2f06aeceaf	2557	else
buyukesmeli	0:3a2f06aeceaf	2558	res = chk_lock(&dj, (mode & ~FA_READ) ? 1 : 0);
buyukesmeli	0:3a2f06aeceaf	2559	#endif
buyukesmeli	0:3a2f06aeceaf	2560	}
buyukesmeli	0:3a2f06aeceaf	2561	/* Create or Open a file */
buyukesmeli	0:3a2f06aeceaf	2562	if (mode & (FA_CREATE_ALWAYS \| FA_OPEN_ALWAYS \| FA_CREATE_NEW)) {
buyukesmeli	0:3a2f06aeceaf	2563	if (res != FR_OK) { /* No file, create new */
buyukesmeli	0:3a2f06aeceaf	2564	if (res == FR_NO_FILE) /* There is no file to open, create a new entry */
buyukesmeli	0:3a2f06aeceaf	2565	#if _FS_LOCK
buyukesmeli	0:3a2f06aeceaf	2566	res = enq_lock() ? dir_register(&dj) : FR_TOO_MANY_OPEN_FILES;
buyukesmeli	0:3a2f06aeceaf	2567	#else
buyukesmeli	0:3a2f06aeceaf	2568	res = dir_register(&dj);
buyukesmeli	0:3a2f06aeceaf	2569	#endif
buyukesmeli	0:3a2f06aeceaf	2570	mode \|= FA_CREATE_ALWAYS; /* File is created */
buyukesmeli	0:3a2f06aeceaf	2571	dir = dj.dir; /* New entry */
buyukesmeli	0:3a2f06aeceaf	2572	}
buyukesmeli	0:3a2f06aeceaf	2573	else { /* Any object is already existing */
buyukesmeli	0:3a2f06aeceaf	2574	if (dir[DIR_Attr] & (AM_RDO \| AM_DIR)) { /* Cannot overwrite it (R/O or DIR) */
buyukesmeli	0:3a2f06aeceaf	2575	res = FR_DENIED;
buyukesmeli	0:3a2f06aeceaf	2576	} else {
buyukesmeli	0:3a2f06aeceaf	2577	if (mode & FA_CREATE_NEW) /* Cannot create as new file */
buyukesmeli	0:3a2f06aeceaf	2578	res = FR_EXIST;
buyukesmeli	0:3a2f06aeceaf	2579	}
buyukesmeli	0:3a2f06aeceaf	2580	}
buyukesmeli	0:3a2f06aeceaf	2581	if (res == FR_OK && (mode & FA_CREATE_ALWAYS)) { /* Truncate it if overwrite mode */
buyukesmeli	0:3a2f06aeceaf	2582	dw = GET_FATTIME(); /* Created time */
buyukesmeli	0:3a2f06aeceaf	2583	ST_DWORD(dir + DIR_CrtTime, dw);
buyukesmeli	0:3a2f06aeceaf	2584	dir[DIR_Attr] = 0; /* Reset attribute */
buyukesmeli	0:3a2f06aeceaf	2585	ST_DWORD(dir + DIR_FileSize, 0);/* size = 0 */
buyukesmeli	0:3a2f06aeceaf	2586	cl = ld_clust(dj.fs, dir); /* Get start cluster */
buyukesmeli	0:3a2f06aeceaf	2587	st_clust(dir, 0); /* cluster = 0 */
buyukesmeli	0:3a2f06aeceaf	2588	dj.fs->wflag = 1;
buyukesmeli	0:3a2f06aeceaf	2589	if (cl) { /* Remove the cluster chain if exist */
buyukesmeli	0:3a2f06aeceaf	2590	dw = dj.fs->winsect;
buyukesmeli	0:3a2f06aeceaf	2591	res = remove_chain(dj.fs, cl);
buyukesmeli	0:3a2f06aeceaf	2592	if (res == FR_OK) {
buyukesmeli	0:3a2f06aeceaf	2593	dj.fs->last_clust = cl - 1; /* Reuse the cluster hole */
buyukesmeli	0:3a2f06aeceaf	2594	res = move_window(dj.fs, dw);
buyukesmeli	0:3a2f06aeceaf	2595	}
buyukesmeli	0:3a2f06aeceaf	2596	}
buyukesmeli	0:3a2f06aeceaf	2597	}
buyukesmeli	0:3a2f06aeceaf	2598	}
buyukesmeli	0:3a2f06aeceaf	2599	else { /* Open an existing file */
buyukesmeli	0:3a2f06aeceaf	2600	if (res == FR_OK) { /* Follow succeeded */
buyukesmeli	0:3a2f06aeceaf	2601	if (dir[DIR_Attr] & AM_DIR) { /* It is a directory */
buyukesmeli	0:3a2f06aeceaf	2602	res = FR_NO_FILE;
buyukesmeli	0:3a2f06aeceaf	2603	} else {
buyukesmeli	0:3a2f06aeceaf	2604	if ((mode & FA_WRITE) && (dir[DIR_Attr] & AM_RDO)) /* R/O violation */
buyukesmeli	0:3a2f06aeceaf	2605	res = FR_DENIED;
buyukesmeli	0:3a2f06aeceaf	2606	}
buyukesmeli	0:3a2f06aeceaf	2607	}
buyukesmeli	0:3a2f06aeceaf	2608	}
buyukesmeli	0:3a2f06aeceaf	2609	if (res == FR_OK) {
buyukesmeli	0:3a2f06aeceaf	2610	if (mode & FA_CREATE_ALWAYS) /* Set file change flag if created or overwritten */
buyukesmeli	0:3a2f06aeceaf	2611	mode \|= FA__WRITTEN;
buyukesmeli	0:3a2f06aeceaf	2612	fp->dir_sect = dj.fs->winsect; /* Pointer to the directory entry */
buyukesmeli	0:3a2f06aeceaf	2613	fp->dir_ptr = dir;
buyukesmeli	0:3a2f06aeceaf	2614	#if _FS_LOCK
buyukesmeli	0:3a2f06aeceaf	2615	fp->lockid = inc_lock(&dj, (mode & ~FA_READ) ? 1 : 0);
buyukesmeli	0:3a2f06aeceaf	2616	if (!fp->lockid) res = FR_INT_ERR;
buyukesmeli	0:3a2f06aeceaf	2617	#endif
buyukesmeli	0:3a2f06aeceaf	2618	}
buyukesmeli	0:3a2f06aeceaf	2619
buyukesmeli	0:3a2f06aeceaf	2620	#else /* R/O configuration */
buyukesmeli	0:3a2f06aeceaf	2621	if (res == FR_OK) { /* Follow succeeded */
buyukesmeli	0:3a2f06aeceaf	2622	dir = dj.dir;
buyukesmeli	0:3a2f06aeceaf	2623	if (!dir) { /* Current directory itself */
buyukesmeli	0:3a2f06aeceaf	2624	res = FR_INVALID_NAME;
buyukesmeli	0:3a2f06aeceaf	2625	} else {
buyukesmeli	0:3a2f06aeceaf	2626	if (dir[DIR_Attr] & AM_DIR) /* It is a directory */
buyukesmeli	0:3a2f06aeceaf	2627	res = FR_NO_FILE;
buyukesmeli	0:3a2f06aeceaf	2628	}
buyukesmeli	0:3a2f06aeceaf	2629	}
buyukesmeli	0:3a2f06aeceaf	2630	#endif
buyukesmeli	0:3a2f06aeceaf	2631	FREE_BUF();
buyukesmeli	0:3a2f06aeceaf	2632
buyukesmeli	0:3a2f06aeceaf	2633	if (res == FR_OK) {
buyukesmeli	0:3a2f06aeceaf	2634	fp->flag = mode; /* File access mode */
buyukesmeli	0:3a2f06aeceaf	2635	fp->err = 0; /* Clear error flag */
buyukesmeli	0:3a2f06aeceaf	2636	fp->sclust = ld_clust(dj.fs, dir); /* File start cluster */
buyukesmeli	0:3a2f06aeceaf	2637	fp->fsize = LD_DWORD(dir + DIR_FileSize); /* File size */
buyukesmeli	0:3a2f06aeceaf	2638	fp->fptr = 0; /* File pointer */
buyukesmeli	0:3a2f06aeceaf	2639	fp->dsect = 0;
buyukesmeli	0:3a2f06aeceaf	2640	#if _USE_FASTSEEK
buyukesmeli	0:3a2f06aeceaf	2641	fp->cltbl = 0; /* Normal seek mode */
buyukesmeli	0:3a2f06aeceaf	2642	#endif
buyukesmeli	0:3a2f06aeceaf	2643	fp->fs = dj.fs; /* Validate file object */
buyukesmeli	0:3a2f06aeceaf	2644	fp->id = fp->fs->id;
buyukesmeli	0:3a2f06aeceaf	2645	}
buyukesmeli	0:3a2f06aeceaf	2646	}
buyukesmeli	0:3a2f06aeceaf	2647
buyukesmeli	0:3a2f06aeceaf	2648	LEAVE_FF(dj.fs, res);
buyukesmeli	0:3a2f06aeceaf	2649	}
buyukesmeli	0:3a2f06aeceaf	2650
buyukesmeli	0:3a2f06aeceaf	2651
buyukesmeli	0:3a2f06aeceaf	2652
buyukesmeli	0:3a2f06aeceaf	2653
buyukesmeli	0:3a2f06aeceaf	2654	/-----------------------------------------------------------------------/
buyukesmeli	0:3a2f06aeceaf	2655	/* Read File */
buyukesmeli	0:3a2f06aeceaf	2656	/-----------------------------------------------------------------------/
buyukesmeli	0:3a2f06aeceaf	2657
buyukesmeli	0:3a2f06aeceaf	2658	FRESULT f_read (
buyukesmeli	0:3a2f06aeceaf	2659	FIL* fp, /* Pointer to the file object */
buyukesmeli	0:3a2f06aeceaf	2660	void* buff, /* Pointer to data buffer */
buyukesmeli	0:3a2f06aeceaf	2661	UINT btr, /* Number of bytes to read */
buyukesmeli	0:3a2f06aeceaf	2662	UINT* br /* Pointer to number of bytes read */
buyukesmeli	0:3a2f06aeceaf	2663	)
buyukesmeli	0:3a2f06aeceaf	2664	{
buyukesmeli	0:3a2f06aeceaf	2665	FRESULT res;
buyukesmeli	0:3a2f06aeceaf	2666	DWORD clst, sect, remain;
buyukesmeli	0:3a2f06aeceaf	2667	UINT rcnt, cc;
buyukesmeli	0:3a2f06aeceaf	2668	BYTE csect, rbuff = (BYTE)buff;
buyukesmeli	0:3a2f06aeceaf	2669
buyukesmeli	0:3a2f06aeceaf	2670
buyukesmeli	0:3a2f06aeceaf	2671	br = 0; / Clear read byte counter */
buyukesmeli	0:3a2f06aeceaf	2672
buyukesmeli	0:3a2f06aeceaf	2673	res = validate(fp); /* Check validity */
buyukesmeli	0:3a2f06aeceaf	2674	if (res != FR_OK) LEAVE_FF(fp->fs, res);
buyukesmeli	0:3a2f06aeceaf	2675	if (fp->err) /* Check error */
buyukesmeli	0:3a2f06aeceaf	2676	LEAVE_FF(fp->fs, (FRESULT)fp->err);
buyukesmeli	0:3a2f06aeceaf	2677	if (!(fp->flag & FA_READ)) /* Check access mode */
buyukesmeli	0:3a2f06aeceaf	2678	LEAVE_FF(fp->fs, FR_DENIED);
buyukesmeli	0:3a2f06aeceaf	2679	remain = fp->fsize - fp->fptr;
buyukesmeli	0:3a2f06aeceaf	2680	if (btr > remain) btr = (UINT)remain; /* Truncate btr by remaining bytes */
buyukesmeli	0:3a2f06aeceaf	2681
buyukesmeli	0:3a2f06aeceaf	2682	for ( ; btr; /* Repeat until all data read */
buyukesmeli	0:3a2f06aeceaf	2683	rbuff += rcnt, fp->fptr += rcnt, *br += rcnt, btr -= rcnt) {
buyukesmeli	0:3a2f06aeceaf	2684	if ((fp->fptr % SS(fp->fs)) == 0) { /* On the sector boundary? */
buyukesmeli	0:3a2f06aeceaf	2685	csect = (BYTE)(fp->fptr / SS(fp->fs) & (fp->fs->csize - 1)); /* Sector offset in the cluster */
buyukesmeli	0:3a2f06aeceaf	2686	if (!csect) { /* On the cluster boundary? */
buyukesmeli	0:3a2f06aeceaf	2687	if (fp->fptr == 0) { /* On the top of the file? */
buyukesmeli	0:3a2f06aeceaf	2688	clst = fp->sclust; /* Follow from the origin */
buyukesmeli	0:3a2f06aeceaf	2689	} else { /* Middle or end of the file */
buyukesmeli	0:3a2f06aeceaf	2690	#if _USE_FASTSEEK
buyukesmeli	0:3a2f06aeceaf	2691	if (fp->cltbl)
buyukesmeli	0:3a2f06aeceaf	2692	clst = clmt_clust(fp, fp->fptr); /* Get cluster# from the CLMT */
buyukesmeli	0:3a2f06aeceaf	2693	else
buyukesmeli	0:3a2f06aeceaf	2694	#endif
buyukesmeli	0:3a2f06aeceaf	2695	clst = get_fat(fp->fs, fp->clust); /* Follow cluster chain on the FAT */
buyukesmeli	0:3a2f06aeceaf	2696	}
buyukesmeli	0:3a2f06aeceaf	2697	if (clst < 2) ABORT(fp->fs, FR_INT_ERR);
buyukesmeli	0:3a2f06aeceaf	2698	if (clst == 0xFFFFFFFF) ABORT(fp->fs, FR_DISK_ERR);
buyukesmeli	0:3a2f06aeceaf	2699	fp->clust = clst; /* Update current cluster */
buyukesmeli	0:3a2f06aeceaf	2700	}
buyukesmeli	0:3a2f06aeceaf	2701	sect = clust2sect(fp->fs, fp->clust); /* Get current sector */
buyukesmeli	0:3a2f06aeceaf	2702	if (!sect) ABORT(fp->fs, FR_INT_ERR);
buyukesmeli	0:3a2f06aeceaf	2703	sect += csect;
buyukesmeli	0:3a2f06aeceaf	2704	cc = btr / SS(fp->fs); /* When remaining bytes >= sector size, */
buyukesmeli	0:3a2f06aeceaf	2705	if (cc) { /* Read maximum contiguous sectors directly */
buyukesmeli	0:3a2f06aeceaf	2706	if (csect + cc > fp->fs->csize) /* Clip at cluster boundary */
buyukesmeli	0:3a2f06aeceaf	2707	cc = fp->fs->csize - csect;
buyukesmeli	0:3a2f06aeceaf	2708	if (disk_read(fp->fs->drv, rbuff, sect, cc) != RES_OK)
buyukesmeli	0:3a2f06aeceaf	2709	ABORT(fp->fs, FR_DISK_ERR);
buyukesmeli	0:3a2f06aeceaf	2710	#if !_FS_READONLY && _FS_MINIMIZE <= 2 /* Replace one of the read sectors with cached data if it contains a dirty sector */
buyukesmeli	0:3a2f06aeceaf	2711	#if _FS_TINY
buyukesmeli	0:3a2f06aeceaf	2712	if (fp->fs->wflag && fp->fs->winsect - sect < cc)
buyukesmeli	0:3a2f06aeceaf	2713	mem_cpy(rbuff + ((fp->fs->winsect - sect) * SS(fp->fs)), fp->fs->win.d8, SS(fp->fs));
buyukesmeli	0:3a2f06aeceaf	2714	#else
buyukesmeli	0:3a2f06aeceaf	2715	if ((fp->flag & FA__DIRTY) && fp->dsect - sect < cc)
buyukesmeli	0:3a2f06aeceaf	2716	mem_cpy(rbuff + ((fp->dsect - sect) * SS(fp->fs)), fp->buf.d8, SS(fp->fs));
buyukesmeli	0:3a2f06aeceaf	2717	#endif
buyukesmeli	0:3a2f06aeceaf	2718	#endif
buyukesmeli	0:3a2f06aeceaf	2719	rcnt = SS(fp->fs) * cc; /* Number of bytes transferred */
buyukesmeli	0:3a2f06aeceaf	2720	continue;
buyukesmeli	0:3a2f06aeceaf	2721	}
buyukesmeli	0:3a2f06aeceaf	2722	#if !_FS_TINY
buyukesmeli	0:3a2f06aeceaf	2723	if (fp->dsect != sect) { /* Load data sector if not in cache */
buyukesmeli	0:3a2f06aeceaf	2724	#if !_FS_READONLY
buyukesmeli	0:3a2f06aeceaf	2725	if (fp->flag & FA__DIRTY) { /* Write-back dirty sector cache */
buyukesmeli	0:3a2f06aeceaf	2726	if (disk_write(fp->fs->drv, fp->buf.d8, fp->dsect, 1) != RES_OK)
buyukesmeli	0:3a2f06aeceaf	2727	ABORT(fp->fs, FR_DISK_ERR);
buyukesmeli	0:3a2f06aeceaf	2728	fp->flag &= ~FA__DIRTY;
buyukesmeli	0:3a2f06aeceaf	2729	}
buyukesmeli	0:3a2f06aeceaf	2730	#endif
buyukesmeli	0:3a2f06aeceaf	2731	if (disk_read(fp->fs->drv, fp->buf.d8, sect, 1) != RES_OK) /* Fill sector cache */
buyukesmeli	0:3a2f06aeceaf	2732	ABORT(fp->fs, FR_DISK_ERR);
buyukesmeli	0:3a2f06aeceaf	2733	}
buyukesmeli	0:3a2f06aeceaf	2734	#endif
buyukesmeli	0:3a2f06aeceaf	2735	fp->dsect = sect;
buyukesmeli	0:3a2f06aeceaf	2736	}
buyukesmeli	0:3a2f06aeceaf	2737	rcnt = SS(fp->fs) - ((UINT)fp->fptr % SS(fp->fs)); /* Get partial sector data from sector buffer */
buyukesmeli	0:3a2f06aeceaf	2738	if (rcnt > btr) rcnt = btr;
buyukesmeli	0:3a2f06aeceaf	2739	#if _FS_TINY
buyukesmeli	0:3a2f06aeceaf	2740	if (move_window(fp->fs, fp->dsect) != FR_OK) /* Move sector window */
buyukesmeli	0:3a2f06aeceaf	2741	ABORT(fp->fs, FR_DISK_ERR);
buyukesmeli	0:3a2f06aeceaf	2742	mem_cpy(rbuff, &fp->fs->win.d8[fp->fptr % SS(fp->fs)], rcnt); /* Pick partial sector */
buyukesmeli	0:3a2f06aeceaf	2743	#else
buyukesmeli	0:3a2f06aeceaf	2744	mem_cpy(rbuff, &fp->buf.d8[fp->fptr % SS(fp->fs)], rcnt); /* Pick partial sector */
buyukesmeli	0:3a2f06aeceaf	2745	#endif
buyukesmeli	0:3a2f06aeceaf	2746	}
buyukesmeli	0:3a2f06aeceaf	2747
buyukesmeli	0:3a2f06aeceaf	2748	LEAVE_FF(fp->fs, FR_OK);
buyukesmeli	0:3a2f06aeceaf	2749	}
buyukesmeli	0:3a2f06aeceaf	2750
buyukesmeli	0:3a2f06aeceaf	2751
buyukesmeli	0:3a2f06aeceaf	2752
buyukesmeli	0:3a2f06aeceaf	2753
buyukesmeli	0:3a2f06aeceaf	2754	#if !_FS_READONLY
buyukesmeli	0:3a2f06aeceaf	2755	/-----------------------------------------------------------------------/
buyukesmeli	0:3a2f06aeceaf	2756	/* Write File */
buyukesmeli	0:3a2f06aeceaf	2757	/-----------------------------------------------------------------------/
buyukesmeli	0:3a2f06aeceaf	2758
buyukesmeli	0:3a2f06aeceaf	2759	FRESULT f_write (
buyukesmeli	0:3a2f06aeceaf	2760	FIL* fp, /* Pointer to the file object */
buyukesmeli	0:3a2f06aeceaf	2761	const void buff, / Pointer to the data to be written */
buyukesmeli	0:3a2f06aeceaf	2762	UINT btw, /* Number of bytes to write */
buyukesmeli	0:3a2f06aeceaf	2763	UINT* bw /* Pointer to number of bytes written */
buyukesmeli	0:3a2f06aeceaf	2764	)
buyukesmeli	0:3a2f06aeceaf	2765	{
buyukesmeli	0:3a2f06aeceaf	2766	FRESULT res;
buyukesmeli	0:3a2f06aeceaf	2767	DWORD clst, sect;
buyukesmeli	0:3a2f06aeceaf	2768	UINT wcnt, cc;
buyukesmeli	0:3a2f06aeceaf	2769	const BYTE wbuff = (const BYTE)buff;
buyukesmeli	0:3a2f06aeceaf	2770	BYTE csect;
buyukesmeli	0:3a2f06aeceaf	2771
buyukesmeli	0:3a2f06aeceaf	2772
buyukesmeli	0:3a2f06aeceaf	2773	bw = 0; / Clear write byte counter */
buyukesmeli	0:3a2f06aeceaf	2774
buyukesmeli	0:3a2f06aeceaf	2775	res = validate(fp); /* Check validity */
buyukesmeli	0:3a2f06aeceaf	2776	if (res != FR_OK) LEAVE_FF(fp->fs, res);
buyukesmeli	0:3a2f06aeceaf	2777	if (fp->err) /* Check error */
buyukesmeli	0:3a2f06aeceaf	2778	LEAVE_FF(fp->fs, (FRESULT)fp->err);
buyukesmeli	0:3a2f06aeceaf	2779	if (!(fp->flag & FA_WRITE)) /* Check access mode */
buyukesmeli	0:3a2f06aeceaf	2780	LEAVE_FF(fp->fs, FR_DENIED);
buyukesmeli	0:3a2f06aeceaf	2781	if (fp->fptr + btw < fp->fptr) btw = 0; /* File size cannot reach 4GB */
buyukesmeli	0:3a2f06aeceaf	2782
buyukesmeli	0:3a2f06aeceaf	2783	for ( ; btw; /* Repeat until all data written */
buyukesmeli	0:3a2f06aeceaf	2784	wbuff += wcnt, fp->fptr += wcnt, *bw += wcnt, btw -= wcnt) {
buyukesmeli	0:3a2f06aeceaf	2785	if ((fp->fptr % SS(fp->fs)) == 0) { /* On the sector boundary? */
buyukesmeli	0:3a2f06aeceaf	2786	csect = (BYTE)(fp->fptr / SS(fp->fs) & (fp->fs->csize - 1)); /* Sector offset in the cluster */
buyukesmeli	0:3a2f06aeceaf	2787	if (!csect) { /* On the cluster boundary? */
buyukesmeli	0:3a2f06aeceaf	2788	if (fp->fptr == 0) { /* On the top of the file? */
buyukesmeli	0:3a2f06aeceaf	2789	clst = fp->sclust; /* Follow from the origin */
buyukesmeli	0:3a2f06aeceaf	2790	if (clst == 0) /* When no cluster is allocated, */
buyukesmeli	0:3a2f06aeceaf	2791	clst = create_chain(fp->fs, 0); /* Create a new cluster chain */
buyukesmeli	0:3a2f06aeceaf	2792	} else { /* Middle or end of the file */
buyukesmeli	0:3a2f06aeceaf	2793	#if _USE_FASTSEEK
buyukesmeli	0:3a2f06aeceaf	2794	if (fp->cltbl)
buyukesmeli	0:3a2f06aeceaf	2795	clst = clmt_clust(fp, fp->fptr); /* Get cluster# from the CLMT */
buyukesmeli	0:3a2f06aeceaf	2796	else
buyukesmeli	0:3a2f06aeceaf	2797	#endif
buyukesmeli	0:3a2f06aeceaf	2798	clst = create_chain(fp->fs, fp->clust); /* Follow or stretch cluster chain on the FAT */
buyukesmeli	0:3a2f06aeceaf	2799	}
buyukesmeli	0:3a2f06aeceaf	2800	if (clst == 0) break; /* Could not allocate a new cluster (disk full) */
buyukesmeli	0:3a2f06aeceaf	2801	if (clst == 1) ABORT(fp->fs, FR_INT_ERR);
buyukesmeli	0:3a2f06aeceaf	2802	if (clst == 0xFFFFFFFF) ABORT(fp->fs, FR_DISK_ERR);
buyukesmeli	0:3a2f06aeceaf	2803	fp->clust = clst; /* Update current cluster */
buyukesmeli	0:3a2f06aeceaf	2804	if (fp->sclust == 0) fp->sclust = clst; /* Set start cluster if the first write */
buyukesmeli	0:3a2f06aeceaf	2805	}
buyukesmeli	0:3a2f06aeceaf	2806	#if _FS_TINY
buyukesmeli	0:3a2f06aeceaf	2807	if (fp->fs->winsect == fp->dsect && sync_window(fp->fs)) /* Write-back sector cache */
buyukesmeli	0:3a2f06aeceaf	2808	ABORT(fp->fs, FR_DISK_ERR);
buyukesmeli	0:3a2f06aeceaf	2809	#else
buyukesmeli	0:3a2f06aeceaf	2810	if (fp->flag & FA__DIRTY) { /* Write-back sector cache */
buyukesmeli	0:3a2f06aeceaf	2811	if (disk_write(fp->fs->drv, fp->buf.d8, fp->dsect, 1) != RES_OK)
buyukesmeli	0:3a2f06aeceaf	2812	ABORT(fp->fs, FR_DISK_ERR);
buyukesmeli	0:3a2f06aeceaf	2813	fp->flag &= ~FA__DIRTY;
buyukesmeli	0:3a2f06aeceaf	2814	}
buyukesmeli	0:3a2f06aeceaf	2815	#endif
buyukesmeli	0:3a2f06aeceaf	2816	sect = clust2sect(fp->fs, fp->clust); /* Get current sector */
buyukesmeli	0:3a2f06aeceaf	2817	if (!sect) ABORT(fp->fs, FR_INT_ERR);
buyukesmeli	0:3a2f06aeceaf	2818	sect += csect;
buyukesmeli	0:3a2f06aeceaf	2819	cc = btw / SS(fp->fs); /* When remaining bytes >= sector size, */
buyukesmeli	0:3a2f06aeceaf	2820	if (cc) { /* Write maximum contiguous sectors directly */
buyukesmeli	0:3a2f06aeceaf	2821	if (csect + cc > fp->fs->csize) /* Clip at cluster boundary */
buyukesmeli	0:3a2f06aeceaf	2822	cc = fp->fs->csize - csect;
buyukesmeli	0:3a2f06aeceaf	2823	if (disk_write(fp->fs->drv, wbuff, sect, cc) != RES_OK)
buyukesmeli	0:3a2f06aeceaf	2824	ABORT(fp->fs, FR_DISK_ERR);
buyukesmeli	0:3a2f06aeceaf	2825	#if _FS_MINIMIZE <= 2
buyukesmeli	0:3a2f06aeceaf	2826	#if _FS_TINY
buyukesmeli	0:3a2f06aeceaf	2827	if (fp->fs->winsect - sect < cc) { /* Refill sector cache if it gets invalidated by the direct write */
buyukesmeli	0:3a2f06aeceaf	2828	mem_cpy(fp->fs->win.d8, wbuff + ((fp->fs->winsect - sect) * SS(fp->fs)), SS(fp->fs));
buyukesmeli	0:3a2f06aeceaf	2829	fp->fs->wflag = 0;
buyukesmeli	0:3a2f06aeceaf	2830	}
buyukesmeli	0:3a2f06aeceaf	2831	#else
buyukesmeli	0:3a2f06aeceaf	2832	if (fp->dsect - sect < cc) { /* Refill sector cache if it gets invalidated by the direct write */
buyukesmeli	0:3a2f06aeceaf	2833	mem_cpy(fp->buf.d8, wbuff + ((fp->dsect - sect) * SS(fp->fs)), SS(fp->fs));
buyukesmeli	0:3a2f06aeceaf	2834	fp->flag &= ~FA__DIRTY;
buyukesmeli	0:3a2f06aeceaf	2835	}
buyukesmeli	0:3a2f06aeceaf	2836	#endif
buyukesmeli	0:3a2f06aeceaf	2837	#endif
buyukesmeli	0:3a2f06aeceaf	2838	wcnt = SS(fp->fs) * cc; /* Number of bytes transferred */
buyukesmeli	0:3a2f06aeceaf	2839	continue;
buyukesmeli	0:3a2f06aeceaf	2840	}
buyukesmeli	0:3a2f06aeceaf	2841	#if _FS_TINY
buyukesmeli	0:3a2f06aeceaf	2842	if (fp->fptr >= fp->fsize) { /* Avoid silly cache filling at growing edge */
buyukesmeli	0:3a2f06aeceaf	2843	if (sync_window(fp->fs)) ABORT(fp->fs, FR_DISK_ERR);
buyukesmeli	0:3a2f06aeceaf	2844	fp->fs->winsect = sect;
buyukesmeli	0:3a2f06aeceaf	2845	}
buyukesmeli	0:3a2f06aeceaf	2846	#else
buyukesmeli	0:3a2f06aeceaf	2847	if (fp->dsect != sect) { /* Fill sector cache with file data */
buyukesmeli	0:3a2f06aeceaf	2848	if (fp->fptr < fp->fsize &&
buyukesmeli	0:3a2f06aeceaf	2849	disk_read(fp->fs->drv, fp->buf.d8, sect, 1) != RES_OK)
buyukesmeli	0:3a2f06aeceaf	2850	ABORT(fp->fs, FR_DISK_ERR);
buyukesmeli	0:3a2f06aeceaf	2851	}
buyukesmeli	0:3a2f06aeceaf	2852	#endif
buyukesmeli	0:3a2f06aeceaf	2853	fp->dsect = sect;
buyukesmeli	0:3a2f06aeceaf	2854	}
buyukesmeli	0:3a2f06aeceaf	2855	wcnt = SS(fp->fs) - ((UINT)fp->fptr % SS(fp->fs));/* Put partial sector into file I/O buffer */
buyukesmeli	0:3a2f06aeceaf	2856	if (wcnt > btw) wcnt = btw;
buyukesmeli	0:3a2f06aeceaf	2857	#if _FS_TINY
buyukesmeli	0:3a2f06aeceaf	2858	if (move_window(fp->fs, fp->dsect) != FR_OK) /* Move sector window */
buyukesmeli	0:3a2f06aeceaf	2859	ABORT(fp->fs, FR_DISK_ERR);
buyukesmeli	0:3a2f06aeceaf	2860	mem_cpy(&fp->fs->win.d8[fp->fptr % SS(fp->fs)], wbuff, wcnt); /* Fit partial sector */
buyukesmeli	0:3a2f06aeceaf	2861	fp->fs->wflag = 1;
buyukesmeli	0:3a2f06aeceaf	2862	#else
buyukesmeli	0:3a2f06aeceaf	2863	mem_cpy(&fp->buf.d8[fp->fptr % SS(fp->fs)], wbuff, wcnt); /* Fit partial sector */
buyukesmeli	0:3a2f06aeceaf	2864	fp->flag \|= FA__DIRTY;
buyukesmeli	0:3a2f06aeceaf	2865	#endif
buyukesmeli	0:3a2f06aeceaf	2866	}
buyukesmeli	0:3a2f06aeceaf	2867
buyukesmeli	0:3a2f06aeceaf	2868	if (fp->fptr > fp->fsize) fp->fsize = fp->fptr; /* Update file size if needed */
buyukesmeli	0:3a2f06aeceaf	2869	fp->flag \|= FA__WRITTEN; /* Set file change flag */
buyukesmeli	0:3a2f06aeceaf	2870
buyukesmeli	0:3a2f06aeceaf	2871	LEAVE_FF(fp->fs, FR_OK);
buyukesmeli	0:3a2f06aeceaf	2872	}
buyukesmeli	0:3a2f06aeceaf	2873
buyukesmeli	0:3a2f06aeceaf	2874
buyukesmeli	0:3a2f06aeceaf	2875
buyukesmeli	0:3a2f06aeceaf	2876
buyukesmeli	0:3a2f06aeceaf	2877	/-----------------------------------------------------------------------/
buyukesmeli	0:3a2f06aeceaf	2878	/* Synchronize the File */
buyukesmeli	0:3a2f06aeceaf	2879	/-----------------------------------------------------------------------/
buyukesmeli	0:3a2f06aeceaf	2880
buyukesmeli	0:3a2f06aeceaf	2881	FRESULT f_sync (
buyukesmeli	0:3a2f06aeceaf	2882	FIL* fp /* Pointer to the file object */
buyukesmeli	0:3a2f06aeceaf	2883	)
buyukesmeli	0:3a2f06aeceaf	2884	{
buyukesmeli	0:3a2f06aeceaf	2885	FRESULT res;
buyukesmeli	0:3a2f06aeceaf	2886	DWORD tm;
buyukesmeli	0:3a2f06aeceaf	2887	BYTE *dir;
buyukesmeli	0:3a2f06aeceaf	2888
buyukesmeli	0:3a2f06aeceaf	2889
buyukesmeli	0:3a2f06aeceaf	2890	res = validate(fp); /* Check validity of the object */
buyukesmeli	0:3a2f06aeceaf	2891	if (res == FR_OK) {
buyukesmeli	0:3a2f06aeceaf	2892	if (fp->flag & FA__WRITTEN) { /* Has the file been written? */
buyukesmeli	0:3a2f06aeceaf	2893	/* Write-back dirty buffer */
buyukesmeli	0:3a2f06aeceaf	2894	#if !_FS_TINY
buyukesmeli	0:3a2f06aeceaf	2895	if (fp->flag & FA__DIRTY) {
buyukesmeli	0:3a2f06aeceaf	2896	if (disk_write(fp->fs->drv, fp->buf.d8, fp->dsect, 1) != RES_OK)
buyukesmeli	0:3a2f06aeceaf	2897	LEAVE_FF(fp->fs, FR_DISK_ERR);
buyukesmeli	0:3a2f06aeceaf	2898	fp->flag &= ~FA__DIRTY;
buyukesmeli	0:3a2f06aeceaf	2899	}
buyukesmeli	0:3a2f06aeceaf	2900	#endif
buyukesmeli	0:3a2f06aeceaf	2901	/* Update the directory entry */
buyukesmeli	0:3a2f06aeceaf	2902	res = move_window(fp->fs, fp->dir_sect);
buyukesmeli	0:3a2f06aeceaf	2903	if (res == FR_OK) {
buyukesmeli	0:3a2f06aeceaf	2904	dir = fp->dir_ptr;
buyukesmeli	0:3a2f06aeceaf	2905	dir[DIR_Attr] \|= AM_ARC; /* Set archive bit */
buyukesmeli	0:3a2f06aeceaf	2906	ST_DWORD(dir + DIR_FileSize, fp->fsize); /* Update file size */
buyukesmeli	0:3a2f06aeceaf	2907	st_clust(dir, fp->sclust); /* Update start cluster */
buyukesmeli	0:3a2f06aeceaf	2908	tm = GET_FATTIME(); /* Update updated time */
buyukesmeli	0:3a2f06aeceaf	2909	ST_DWORD(dir + DIR_WrtTime, tm);
buyukesmeli	0:3a2f06aeceaf	2910	ST_WORD(dir + DIR_LstAccDate, 0);
buyukesmeli	0:3a2f06aeceaf	2911	fp->flag &= ~FA__WRITTEN;
buyukesmeli	0:3a2f06aeceaf	2912	fp->fs->wflag = 1;
buyukesmeli	0:3a2f06aeceaf	2913	res = sync_fs(fp->fs);
buyukesmeli	0:3a2f06aeceaf	2914	}
buyukesmeli	0:3a2f06aeceaf	2915	}
buyukesmeli	0:3a2f06aeceaf	2916	}
buyukesmeli	0:3a2f06aeceaf	2917
buyukesmeli	0:3a2f06aeceaf	2918	LEAVE_FF(fp->fs, res);
buyukesmeli	0:3a2f06aeceaf	2919	}
buyukesmeli	0:3a2f06aeceaf	2920
buyukesmeli	0:3a2f06aeceaf	2921	#endif /* !_FS_READONLY */
buyukesmeli	0:3a2f06aeceaf	2922
buyukesmeli	0:3a2f06aeceaf	2923
buyukesmeli	0:3a2f06aeceaf	2924
buyukesmeli	0:3a2f06aeceaf	2925
buyukesmeli	0:3a2f06aeceaf	2926	/-----------------------------------------------------------------------/
buyukesmeli	0:3a2f06aeceaf	2927	/* Close File */
buyukesmeli	0:3a2f06aeceaf	2928	/-----------------------------------------------------------------------/
buyukesmeli	0:3a2f06aeceaf	2929
buyukesmeli	0:3a2f06aeceaf	2930	FRESULT f_close (
buyukesmeli	0:3a2f06aeceaf	2931	FIL fp / Pointer to the file object to be closed */
buyukesmeli	0:3a2f06aeceaf	2932	)
buyukesmeli	0:3a2f06aeceaf	2933	{
buyukesmeli	0:3a2f06aeceaf	2934	FRESULT res;
buyukesmeli	0:3a2f06aeceaf	2935
buyukesmeli	0:3a2f06aeceaf	2936
buyukesmeli	0:3a2f06aeceaf	2937	#if !_FS_READONLY
buyukesmeli	0:3a2f06aeceaf	2938	res = f_sync(fp); /* Flush cached data */
buyukesmeli	0:3a2f06aeceaf	2939	if (res == FR_OK)
buyukesmeli	0:3a2f06aeceaf	2940	#endif
buyukesmeli	0:3a2f06aeceaf	2941	{
buyukesmeli	0:3a2f06aeceaf	2942	res = validate(fp); /* Lock volume */
buyukesmeli	0:3a2f06aeceaf	2943	if (res == FR_OK) {
buyukesmeli	0:3a2f06aeceaf	2944	#if _FS_REENTRANT
buyukesmeli	0:3a2f06aeceaf	2945	FATFS *fs = fp->fs;
buyukesmeli	0:3a2f06aeceaf	2946	#endif
buyukesmeli	0:3a2f06aeceaf	2947	#if _FS_LOCK
buyukesmeli	0:3a2f06aeceaf	2948	res = dec_lock(fp->lockid); /* Decrement file open counter */
buyukesmeli	0:3a2f06aeceaf	2949	if (res == FR_OK)
buyukesmeli	0:3a2f06aeceaf	2950	#endif
buyukesmeli	0:3a2f06aeceaf	2951	fp->fs = 0; /* Invalidate file object */
buyukesmeli	0:3a2f06aeceaf	2952	#if _FS_REENTRANT
buyukesmeli	0:3a2f06aeceaf	2953	unlock_fs(fs, FR_OK); /* Unlock volume */
buyukesmeli	0:3a2f06aeceaf	2954	#endif
buyukesmeli	0:3a2f06aeceaf	2955	}
buyukesmeli	0:3a2f06aeceaf	2956	}
buyukesmeli	0:3a2f06aeceaf	2957	return res;
buyukesmeli	0:3a2f06aeceaf	2958	}
buyukesmeli	0:3a2f06aeceaf	2959
buyukesmeli	0:3a2f06aeceaf	2960
buyukesmeli	0:3a2f06aeceaf	2961
buyukesmeli	0:3a2f06aeceaf	2962
buyukesmeli	0:3a2f06aeceaf	2963	/-----------------------------------------------------------------------/
buyukesmeli	0:3a2f06aeceaf	2964	/* Change Current Directory or Current Drive, Get Current Directory */
buyukesmeli	0:3a2f06aeceaf	2965	/-----------------------------------------------------------------------/
buyukesmeli	0:3a2f06aeceaf	2966
buyukesmeli	0:3a2f06aeceaf	2967	#if _FS_RPATH >= 1
buyukesmeli	0:3a2f06aeceaf	2968	#if _VOLUMES >= 2
buyukesmeli	0:3a2f06aeceaf	2969	FRESULT f_chdrive (
buyukesmeli	0:3a2f06aeceaf	2970	const TCHAR* path /* Drive number */
buyukesmeli	0:3a2f06aeceaf	2971	)
buyukesmeli	0:3a2f06aeceaf	2972	{
buyukesmeli	0:3a2f06aeceaf	2973	int vol;
buyukesmeli	0:3a2f06aeceaf	2974
buyukesmeli	0:3a2f06aeceaf	2975
buyukesmeli	0:3a2f06aeceaf	2976	vol = get_ldnumber(&path);
buyukesmeli	0:3a2f06aeceaf	2977	if (vol < 0) return FR_INVALID_DRIVE;
buyukesmeli	0:3a2f06aeceaf	2978
buyukesmeli	0:3a2f06aeceaf	2979	CurrVol = (BYTE)vol;
buyukesmeli	0:3a2f06aeceaf	2980
buyukesmeli	0:3a2f06aeceaf	2981	return FR_OK;
buyukesmeli	0:3a2f06aeceaf	2982	}
buyukesmeli	0:3a2f06aeceaf	2983	#endif
buyukesmeli	0:3a2f06aeceaf	2984
buyukesmeli	0:3a2f06aeceaf	2985
buyukesmeli	0:3a2f06aeceaf	2986	FRESULT f_chdir (
buyukesmeli	0:3a2f06aeceaf	2987	const TCHAR* path /* Pointer to the directory path */
buyukesmeli	0:3a2f06aeceaf	2988	)
buyukesmeli	0:3a2f06aeceaf	2989	{
buyukesmeli	0:3a2f06aeceaf	2990	FRESULT res;
buyukesmeli	0:3a2f06aeceaf	2991	DIR dj;
buyukesmeli	0:3a2f06aeceaf	2992	DEFINE_NAMEBUF;
buyukesmeli	0:3a2f06aeceaf	2993
buyukesmeli	0:3a2f06aeceaf	2994
buyukesmeli	0:3a2f06aeceaf	2995	/* Get logical drive number */
buyukesmeli	0:3a2f06aeceaf	2996	res = find_volume(&dj.fs, &path, 0);
buyukesmeli	0:3a2f06aeceaf	2997	if (res == FR_OK) {
buyukesmeli	0:3a2f06aeceaf	2998	INIT_BUF(dj);
buyukesmeli	0:3a2f06aeceaf	2999	res = follow_path(&dj, path); /* Follow the path */
buyukesmeli	0:3a2f06aeceaf	3000	FREE_BUF();
buyukesmeli	0:3a2f06aeceaf	3001	if (res == FR_OK) { /* Follow completed */
buyukesmeli	0:3a2f06aeceaf	3002	if (!dj.dir) {
buyukesmeli	0:3a2f06aeceaf	3003	dj.fs->cdir = dj.sclust; /* Start directory itself */
buyukesmeli	0:3a2f06aeceaf	3004	} else {
buyukesmeli	0:3a2f06aeceaf	3005	if (dj.dir[DIR_Attr] & AM_DIR) /* Reached to the directory */
buyukesmeli	0:3a2f06aeceaf	3006	dj.fs->cdir = ld_clust(dj.fs, dj.dir);
buyukesmeli	0:3a2f06aeceaf	3007	else
buyukesmeli	0:3a2f06aeceaf	3008	res = FR_NO_PATH; /* Reached but a file */
buyukesmeli	0:3a2f06aeceaf	3009	}
buyukesmeli	0:3a2f06aeceaf	3010	}
buyukesmeli	0:3a2f06aeceaf	3011	if (res == FR_NO_FILE) res = FR_NO_PATH;
buyukesmeli	0:3a2f06aeceaf	3012	}
buyukesmeli	0:3a2f06aeceaf	3013
buyukesmeli	0:3a2f06aeceaf	3014	LEAVE_FF(dj.fs, res);
buyukesmeli	0:3a2f06aeceaf	3015	}
buyukesmeli	0:3a2f06aeceaf	3016
buyukesmeli	0:3a2f06aeceaf	3017
buyukesmeli	0:3a2f06aeceaf	3018	#if _FS_RPATH >= 2
buyukesmeli	0:3a2f06aeceaf	3019	FRESULT f_getcwd (
buyukesmeli	0:3a2f06aeceaf	3020	TCHAR* buff, /* Pointer to the directory path */
buyukesmeli	0:3a2f06aeceaf	3021	UINT len /* Size of path */
buyukesmeli	0:3a2f06aeceaf	3022	)
buyukesmeli	0:3a2f06aeceaf	3023	{
buyukesmeli	0:3a2f06aeceaf	3024	FRESULT res;
buyukesmeli	0:3a2f06aeceaf	3025	DIR dj;
buyukesmeli	0:3a2f06aeceaf	3026	UINT i, n;
buyukesmeli	0:3a2f06aeceaf	3027	DWORD ccl;
buyukesmeli	0:3a2f06aeceaf	3028	TCHAR *tp;
buyukesmeli	0:3a2f06aeceaf	3029	FILINFO fno;
buyukesmeli	0:3a2f06aeceaf	3030	DEFINE_NAMEBUF;
buyukesmeli	0:3a2f06aeceaf	3031
buyukesmeli	0:3a2f06aeceaf	3032
buyukesmeli	0:3a2f06aeceaf	3033	*buff = 0;
buyukesmeli	0:3a2f06aeceaf	3034	/* Get logical drive number */
buyukesmeli	0:3a2f06aeceaf	3035	res = find_volume(&dj.fs, (const TCHAR*)&buff, 0); / Get current volume */
buyukesmeli	0:3a2f06aeceaf	3036	if (res == FR_OK) {
buyukesmeli	0:3a2f06aeceaf	3037	INIT_BUF(dj);
buyukesmeli	0:3a2f06aeceaf	3038	i = len; /* Bottom of buffer (directory stack base) */
buyukesmeli	0:3a2f06aeceaf	3039	dj.sclust = dj.fs->cdir; /* Start to follow upper directory from current directory */
buyukesmeli	0:3a2f06aeceaf	3040	while ((ccl = dj.sclust) != 0) { /* Repeat while current directory is a sub-directory */
buyukesmeli	0:3a2f06aeceaf	3041	res = dir_sdi(&dj, 1); /* Get parent directory */
buyukesmeli	0:3a2f06aeceaf	3042	if (res != FR_OK) break;
buyukesmeli	0:3a2f06aeceaf	3043	res = dir_read(&dj, 0);
buyukesmeli	0:3a2f06aeceaf	3044	if (res != FR_OK) break;
buyukesmeli	0:3a2f06aeceaf	3045	dj.sclust = ld_clust(dj.fs, dj.dir); /* Goto parent directory */
buyukesmeli	0:3a2f06aeceaf	3046	res = dir_sdi(&dj, 0);
buyukesmeli	0:3a2f06aeceaf	3047	if (res != FR_OK) break;
buyukesmeli	0:3a2f06aeceaf	3048	do { /* Find the entry links to the child directory */
buyukesmeli	0:3a2f06aeceaf	3049	res = dir_read(&dj, 0);
buyukesmeli	0:3a2f06aeceaf	3050	if (res != FR_OK) break;
buyukesmeli	0:3a2f06aeceaf	3051	if (ccl == ld_clust(dj.fs, dj.dir)) break; /* Found the entry */
buyukesmeli	0:3a2f06aeceaf	3052	res = dir_next(&dj, 0);
buyukesmeli	0:3a2f06aeceaf	3053	} while (res == FR_OK);
buyukesmeli	0:3a2f06aeceaf	3054	if (res == FR_NO_FILE) res = FR_INT_ERR;/* It cannot be 'not found'. */
buyukesmeli	0:3a2f06aeceaf	3055	if (res != FR_OK) break;
buyukesmeli	0:3a2f06aeceaf	3056	#if _USE_LFN
buyukesmeli	0:3a2f06aeceaf	3057	fno.lfname = buff;
buyukesmeli	0:3a2f06aeceaf	3058	fno.lfsize = i;
buyukesmeli	0:3a2f06aeceaf	3059	#endif
buyukesmeli	0:3a2f06aeceaf	3060	get_fileinfo(&dj, &fno); /* Get the directory name and push it to the buffer */
buyukesmeli	0:3a2f06aeceaf	3061	tp = fno.fname;
buyukesmeli	0:3a2f06aeceaf	3062	#if _USE_LFN
buyukesmeli	0:3a2f06aeceaf	3063	if (*buff) tp = buff;
buyukesmeli	0:3a2f06aeceaf	3064	#endif
buyukesmeli	0:3a2f06aeceaf	3065	for (n = 0; tp[n]; n++) ;
buyukesmeli	0:3a2f06aeceaf	3066	if (i < n + 3) {
buyukesmeli	0:3a2f06aeceaf	3067	res = FR_NOT_ENOUGH_CORE; break;
buyukesmeli	0:3a2f06aeceaf	3068	}
buyukesmeli	0:3a2f06aeceaf	3069	while (n) buff[--i] = tp[--n];
buyukesmeli	0:3a2f06aeceaf	3070	buff[--i] = '/';
buyukesmeli	0:3a2f06aeceaf	3071	}
buyukesmeli	0:3a2f06aeceaf	3072	tp = buff;
buyukesmeli	0:3a2f06aeceaf	3073	if (res == FR_OK) {
buyukesmeli	0:3a2f06aeceaf	3074	#if _VOLUMES >= 2
buyukesmeli	0:3a2f06aeceaf	3075	tp++ = '0' + CurrVol; / Put drive number */
buyukesmeli	0:3a2f06aeceaf	3076	*tp++ = ':';
buyukesmeli	0:3a2f06aeceaf	3077	#endif
buyukesmeli	0:3a2f06aeceaf	3078	if (i == len) { /* Root-directory */
buyukesmeli	0:3a2f06aeceaf	3079	*tp++ = '/';
buyukesmeli	0:3a2f06aeceaf	3080	} else { /* Sub-directroy */
buyukesmeli	0:3a2f06aeceaf	3081	do /* Add stacked path str */
buyukesmeli	0:3a2f06aeceaf	3082	*tp++ = buff[i++];
buyukesmeli	0:3a2f06aeceaf	3083	while (i < len);
buyukesmeli	0:3a2f06aeceaf	3084	}
buyukesmeli	0:3a2f06aeceaf	3085	}
buyukesmeli	0:3a2f06aeceaf	3086	*tp = 0;
buyukesmeli	0:3a2f06aeceaf	3087	FREE_BUF();
buyukesmeli	0:3a2f06aeceaf	3088	}
buyukesmeli	0:3a2f06aeceaf	3089
buyukesmeli	0:3a2f06aeceaf	3090	LEAVE_FF(dj.fs, res);
buyukesmeli	0:3a2f06aeceaf	3091	}
buyukesmeli	0:3a2f06aeceaf	3092	#endif /* _FS_RPATH >= 2 */
buyukesmeli	0:3a2f06aeceaf	3093	#endif /* _FS_RPATH >= 1 */
buyukesmeli	0:3a2f06aeceaf	3094
buyukesmeli	0:3a2f06aeceaf	3095
buyukesmeli	0:3a2f06aeceaf	3096
buyukesmeli	0:3a2f06aeceaf	3097	#if _FS_MINIMIZE <= 2
buyukesmeli	0:3a2f06aeceaf	3098	/-----------------------------------------------------------------------/
buyukesmeli	0:3a2f06aeceaf	3099	/* Seek File R/W Pointer */
buyukesmeli	0:3a2f06aeceaf	3100	/-----------------------------------------------------------------------/
buyukesmeli	0:3a2f06aeceaf	3101
buyukesmeli	0:3a2f06aeceaf	3102	FRESULT f_lseek (
buyukesmeli	0:3a2f06aeceaf	3103	FIL* fp, /* Pointer to the file object */
buyukesmeli	0:3a2f06aeceaf	3104	DWORD ofs /* File pointer from top of file */
buyukesmeli	0:3a2f06aeceaf	3105	)
buyukesmeli	0:3a2f06aeceaf	3106	{
buyukesmeli	0:3a2f06aeceaf	3107	FRESULT res;
buyukesmeli	0:3a2f06aeceaf	3108	DWORD clst, bcs, nsect, ifptr;
buyukesmeli	0:3a2f06aeceaf	3109	#if _USE_FASTSEEK
buyukesmeli	0:3a2f06aeceaf	3110	DWORD cl, pcl, ncl, tcl, dsc, tlen, ulen, *tbl;
buyukesmeli	0:3a2f06aeceaf	3111	#endif
buyukesmeli	0:3a2f06aeceaf	3112
buyukesmeli	0:3a2f06aeceaf	3113
buyukesmeli	0:3a2f06aeceaf	3114	res = validate(fp); /* Check validity of the object */
buyukesmeli	0:3a2f06aeceaf	3115	if (res != FR_OK) LEAVE_FF(fp->fs, res);
buyukesmeli	0:3a2f06aeceaf	3116	if (fp->err) /* Check error */
buyukesmeli	0:3a2f06aeceaf	3117	LEAVE_FF(fp->fs, (FRESULT)fp->err);
buyukesmeli	0:3a2f06aeceaf	3118
buyukesmeli	0:3a2f06aeceaf	3119	#if _USE_FASTSEEK
buyukesmeli	0:3a2f06aeceaf	3120	if (fp->cltbl) { /* Fast seek */
buyukesmeli	0:3a2f06aeceaf	3121	if (ofs == CREATE_LINKMAP) { /* Create CLMT */
buyukesmeli	0:3a2f06aeceaf	3122	tbl = fp->cltbl;
buyukesmeli	0:3a2f06aeceaf	3123	tlen = tbl++; ulen = 2; / Given table size and required table size */
buyukesmeli	0:3a2f06aeceaf	3124	cl = fp->sclust; /* Top of the chain */
buyukesmeli	0:3a2f06aeceaf	3125	if (cl) {
buyukesmeli	0:3a2f06aeceaf	3126	do {
buyukesmeli	0:3a2f06aeceaf	3127	/* Get a fragment */
buyukesmeli	0:3a2f06aeceaf	3128	tcl = cl; ncl = 0; ulen += 2; /* Top, length and used items */
buyukesmeli	0:3a2f06aeceaf	3129	do {
buyukesmeli	0:3a2f06aeceaf	3130	pcl = cl; ncl++;
buyukesmeli	0:3a2f06aeceaf	3131	cl = get_fat(fp->fs, cl);
buyukesmeli	0:3a2f06aeceaf	3132	if (cl <= 1) ABORT(fp->fs, FR_INT_ERR);
buyukesmeli	0:3a2f06aeceaf	3133	if (cl == 0xFFFFFFFF) ABORT(fp->fs, FR_DISK_ERR);
buyukesmeli	0:3a2f06aeceaf	3134	} while (cl == pcl + 1);
buyukesmeli	0:3a2f06aeceaf	3135	if (ulen <= tlen) { /* Store the length and top of the fragment */
buyukesmeli	0:3a2f06aeceaf	3136	tbl++ = ncl; tbl++ = tcl;
buyukesmeli	0:3a2f06aeceaf	3137	}
buyukesmeli	0:3a2f06aeceaf	3138	} while (cl < fp->fs->n_fatent); /* Repeat until end of chain */
buyukesmeli	0:3a2f06aeceaf	3139	}
buyukesmeli	0:3a2f06aeceaf	3140	fp->cltbl = ulen; / Number of items used */
buyukesmeli	0:3a2f06aeceaf	3141	if (ulen <= tlen)
buyukesmeli	0:3a2f06aeceaf	3142	tbl = 0; / Terminate table */
buyukesmeli	0:3a2f06aeceaf	3143	else
buyukesmeli	0:3a2f06aeceaf	3144	res = FR_NOT_ENOUGH_CORE; /* Given table size is smaller than required */
buyukesmeli	0:3a2f06aeceaf	3145
buyukesmeli	0:3a2f06aeceaf	3146	} else { /* Fast seek */
buyukesmeli	0:3a2f06aeceaf	3147	if (ofs > fp->fsize) /* Clip offset at the file size */
buyukesmeli	0:3a2f06aeceaf	3148	ofs = fp->fsize;
buyukesmeli	0:3a2f06aeceaf	3149	fp->fptr = ofs; /* Set file pointer */
buyukesmeli	0:3a2f06aeceaf	3150	if (ofs) {
buyukesmeli	0:3a2f06aeceaf	3151	fp->clust = clmt_clust(fp, ofs - 1);
buyukesmeli	0:3a2f06aeceaf	3152	dsc = clust2sect(fp->fs, fp->clust);
buyukesmeli	0:3a2f06aeceaf	3153	if (!dsc) ABORT(fp->fs, FR_INT_ERR);
buyukesmeli	0:3a2f06aeceaf	3154	dsc += (ofs - 1) / SS(fp->fs) & (fp->fs->csize - 1);
buyukesmeli	0:3a2f06aeceaf	3155	if (fp->fptr % SS(fp->fs) && dsc != fp->dsect) { /* Refill sector cache if needed */
buyukesmeli	0:3a2f06aeceaf	3156	#if !_FS_TINY
buyukesmeli	0:3a2f06aeceaf	3157	#if !_FS_READONLY
buyukesmeli	0:3a2f06aeceaf	3158	if (fp->flag & FA__DIRTY) { /* Write-back dirty sector cache */
buyukesmeli	0:3a2f06aeceaf	3159	if (disk_write(fp->fs->drv, fp->buf.d8, fp->dsect, 1) != RES_OK)
buyukesmeli	0:3a2f06aeceaf	3160	ABORT(fp->fs, FR_DISK_ERR);
buyukesmeli	0:3a2f06aeceaf	3161	fp->flag &= ~FA__DIRTY;
buyukesmeli	0:3a2f06aeceaf	3162	}
buyukesmeli	0:3a2f06aeceaf	3163	#endif
buyukesmeli	0:3a2f06aeceaf	3164	if (disk_read(fp->fs->drv, fp->buf.d8, dsc, 1) != RES_OK) /* Load current sector */
buyukesmeli	0:3a2f06aeceaf	3165	ABORT(fp->fs, FR_DISK_ERR);
buyukesmeli	0:3a2f06aeceaf	3166	#endif
buyukesmeli	0:3a2f06aeceaf	3167	fp->dsect = dsc;
buyukesmeli	0:3a2f06aeceaf	3168	}
buyukesmeli	0:3a2f06aeceaf	3169	}
buyukesmeli	0:3a2f06aeceaf	3170	}
buyukesmeli	0:3a2f06aeceaf	3171	} else
buyukesmeli	0:3a2f06aeceaf	3172	#endif
buyukesmeli	0:3a2f06aeceaf	3173
buyukesmeli	0:3a2f06aeceaf	3174	/* Normal Seek */
buyukesmeli	0:3a2f06aeceaf	3175	{
buyukesmeli	0:3a2f06aeceaf	3176	if (ofs > fp->fsize /* In read-only mode, clip offset with the file size */
buyukesmeli	0:3a2f06aeceaf	3177	#if !_FS_READONLY
buyukesmeli	0:3a2f06aeceaf	3178	&& !(fp->flag & FA_WRITE)
buyukesmeli	0:3a2f06aeceaf	3179	#endif
buyukesmeli	0:3a2f06aeceaf	3180	) ofs = fp->fsize;
buyukesmeli	0:3a2f06aeceaf	3181
buyukesmeli	0:3a2f06aeceaf	3182	ifptr = fp->fptr;
buyukesmeli	0:3a2f06aeceaf	3183	fp->fptr = nsect = 0;
buyukesmeli	0:3a2f06aeceaf	3184	if (ofs) {
buyukesmeli	0:3a2f06aeceaf	3185	bcs = (DWORD)fp->fs->csize * SS(fp->fs); /* Cluster size (byte) */
buyukesmeli	0:3a2f06aeceaf	3186	if (ifptr > 0 &&
buyukesmeli	0:3a2f06aeceaf	3187	(ofs - 1) / bcs >= (ifptr - 1) / bcs) { /* When seek to same or following cluster, */
buyukesmeli	0:3a2f06aeceaf	3188	fp->fptr = (ifptr - 1) & ~(bcs - 1); /* start from the current cluster */
buyukesmeli	0:3a2f06aeceaf	3189	ofs -= fp->fptr;
buyukesmeli	0:3a2f06aeceaf	3190	clst = fp->clust;
buyukesmeli	0:3a2f06aeceaf	3191	} else { /* When seek to back cluster, */
buyukesmeli	0:3a2f06aeceaf	3192	clst = fp->sclust; /* start from the first cluster */
buyukesmeli	0:3a2f06aeceaf	3193	#if !_FS_READONLY
buyukesmeli	0:3a2f06aeceaf	3194	if (clst == 0) { /* If no cluster chain, create a new chain */
buyukesmeli	0:3a2f06aeceaf	3195	clst = create_chain(fp->fs, 0);
buyukesmeli	0:3a2f06aeceaf	3196	if (clst == 1) ABORT(fp->fs, FR_INT_ERR);
buyukesmeli	0:3a2f06aeceaf	3197	if (clst == 0xFFFFFFFF) ABORT(fp->fs, FR_DISK_ERR);
buyukesmeli	0:3a2f06aeceaf	3198	fp->sclust = clst;
buyukesmeli	0:3a2f06aeceaf	3199	}
buyukesmeli	0:3a2f06aeceaf	3200	#endif
buyukesmeli	0:3a2f06aeceaf	3201	fp->clust = clst;
buyukesmeli	0:3a2f06aeceaf	3202	}
buyukesmeli	0:3a2f06aeceaf	3203	if (clst != 0) {
buyukesmeli	0:3a2f06aeceaf	3204	while (ofs > bcs) { /* Cluster following loop */
buyukesmeli	0:3a2f06aeceaf	3205	#if !_FS_READONLY
buyukesmeli	0:3a2f06aeceaf	3206	if (fp->flag & FA_WRITE) { /* Check if in write mode or not */
buyukesmeli	0:3a2f06aeceaf	3207	clst = create_chain(fp->fs, clst); /* Force stretch if in write mode */
buyukesmeli	0:3a2f06aeceaf	3208	if (clst == 0) { /* When disk gets full, clip file size */
buyukesmeli	0:3a2f06aeceaf	3209	ofs = bcs; break;
buyukesmeli	0:3a2f06aeceaf	3210	}
buyukesmeli	0:3a2f06aeceaf	3211	} else
buyukesmeli	0:3a2f06aeceaf	3212	#endif
buyukesmeli	0:3a2f06aeceaf	3213	clst = get_fat(fp->fs, clst); /* Follow cluster chain if not in write mode */
buyukesmeli	0:3a2f06aeceaf	3214	if (clst == 0xFFFFFFFF) ABORT(fp->fs, FR_DISK_ERR);
buyukesmeli	0:3a2f06aeceaf	3215	if (clst <= 1 \|\| clst >= fp->fs->n_fatent) ABORT(fp->fs, FR_INT_ERR);
buyukesmeli	0:3a2f06aeceaf	3216	fp->clust = clst;
buyukesmeli	0:3a2f06aeceaf	3217	fp->fptr += bcs;
buyukesmeli	0:3a2f06aeceaf	3218	ofs -= bcs;
buyukesmeli	0:3a2f06aeceaf	3219	}
buyukesmeli	0:3a2f06aeceaf	3220	fp->fptr += ofs;
buyukesmeli	0:3a2f06aeceaf	3221	if (ofs % SS(fp->fs)) {
buyukesmeli	0:3a2f06aeceaf	3222	nsect = clust2sect(fp->fs, clst); /* Current sector */
buyukesmeli	0:3a2f06aeceaf	3223	if (!nsect) ABORT(fp->fs, FR_INT_ERR);
buyukesmeli	0:3a2f06aeceaf	3224	nsect += ofs / SS(fp->fs);
buyukesmeli	0:3a2f06aeceaf	3225	}
buyukesmeli	0:3a2f06aeceaf	3226	}
buyukesmeli	0:3a2f06aeceaf	3227	}
buyukesmeli	0:3a2f06aeceaf	3228	if (fp->fptr % SS(fp->fs) && nsect != fp->dsect) { /* Fill sector cache if needed */
buyukesmeli	0:3a2f06aeceaf	3229	#if !_FS_TINY
buyukesmeli	0:3a2f06aeceaf	3230	#if !_FS_READONLY
buyukesmeli	0:3a2f06aeceaf	3231	if (fp->flag & FA__DIRTY) { /* Write-back dirty sector cache */
buyukesmeli	0:3a2f06aeceaf	3232	if (disk_write(fp->fs->drv, fp->buf.d8, fp->dsect, 1) != RES_OK)
buyukesmeli	0:3a2f06aeceaf	3233	ABORT(fp->fs, FR_DISK_ERR);
buyukesmeli	0:3a2f06aeceaf	3234	fp->flag &= ~FA__DIRTY;
buyukesmeli	0:3a2f06aeceaf	3235	}
buyukesmeli	0:3a2f06aeceaf	3236	#endif
buyukesmeli	0:3a2f06aeceaf	3237	if (disk_read(fp->fs->drv, fp->buf.d8, nsect, 1) != RES_OK) /* Fill sector cache */
buyukesmeli	0:3a2f06aeceaf	3238	ABORT(fp->fs, FR_DISK_ERR);
buyukesmeli	0:3a2f06aeceaf	3239	#endif
buyukesmeli	0:3a2f06aeceaf	3240	fp->dsect = nsect;
buyukesmeli	0:3a2f06aeceaf	3241	}
buyukesmeli	0:3a2f06aeceaf	3242	#if !_FS_READONLY
buyukesmeli	0:3a2f06aeceaf	3243	if (fp->fptr > fp->fsize) { /* Set file change flag if the file size is extended */
buyukesmeli	0:3a2f06aeceaf	3244	fp->fsize = fp->fptr;
buyukesmeli	0:3a2f06aeceaf	3245	fp->flag \|= FA__WRITTEN;
buyukesmeli	0:3a2f06aeceaf	3246	}
buyukesmeli	0:3a2f06aeceaf	3247	#endif
buyukesmeli	0:3a2f06aeceaf	3248	}
buyukesmeli	0:3a2f06aeceaf	3249
buyukesmeli	0:3a2f06aeceaf	3250	LEAVE_FF(fp->fs, res);
buyukesmeli	0:3a2f06aeceaf	3251	}
buyukesmeli	0:3a2f06aeceaf	3252
buyukesmeli	0:3a2f06aeceaf	3253
buyukesmeli	0:3a2f06aeceaf	3254
buyukesmeli	0:3a2f06aeceaf	3255	#if _FS_MINIMIZE <= 1
buyukesmeli	0:3a2f06aeceaf	3256	/-----------------------------------------------------------------------/
buyukesmeli	0:3a2f06aeceaf	3257	/* Create a Directory Object */
buyukesmeli	0:3a2f06aeceaf	3258	/-----------------------------------------------------------------------/
buyukesmeli	0:3a2f06aeceaf	3259
buyukesmeli	0:3a2f06aeceaf	3260	FRESULT f_opendir (
buyukesmeli	0:3a2f06aeceaf	3261	DIR_* dp, /* Pointer to directory object to create */
buyukesmeli	0:3a2f06aeceaf	3262	const TCHAR* path /* Pointer to the directory path */
buyukesmeli	0:3a2f06aeceaf	3263	)
buyukesmeli	0:3a2f06aeceaf	3264	{
buyukesmeli	0:3a2f06aeceaf	3265	FRESULT res;
buyukesmeli	0:3a2f06aeceaf	3266	FATFS* fs;
buyukesmeli	0:3a2f06aeceaf	3267	DEFINE_NAMEBUF;
buyukesmeli	0:3a2f06aeceaf	3268
buyukesmeli	0:3a2f06aeceaf	3269
buyukesmeli	0:3a2f06aeceaf	3270	if (!dp) return FR_INVALID_OBJECT;
buyukesmeli	0:3a2f06aeceaf	3271
buyukesmeli	0:3a2f06aeceaf	3272	/* Get logical drive number */
buyukesmeli	0:3a2f06aeceaf	3273	res = find_volume(&fs, &path, 0);
buyukesmeli	0:3a2f06aeceaf	3274	if (res == FR_OK) {
buyukesmeli	0:3a2f06aeceaf	3275	dp->fs = fs;
buyukesmeli	0:3a2f06aeceaf	3276	INIT_BUF(*dp);
buyukesmeli	0:3a2f06aeceaf	3277	res = follow_path(dp, path); /* Follow the path to the directory */
buyukesmeli	0:3a2f06aeceaf	3278	FREE_BUF();
buyukesmeli	0:3a2f06aeceaf	3279	if (res == FR_OK) { /* Follow completed */
buyukesmeli	0:3a2f06aeceaf	3280	if (dp->dir) { /* It is not the origin directory itself */
buyukesmeli	0:3a2f06aeceaf	3281	if (dp->dir[DIR_Attr] & AM_DIR) /* The object is a sub directory */
buyukesmeli	0:3a2f06aeceaf	3282	dp->sclust = ld_clust(fs, dp->dir);
buyukesmeli	0:3a2f06aeceaf	3283	else /* The object is a file */
buyukesmeli	0:3a2f06aeceaf	3284	res = FR_NO_PATH;
buyukesmeli	0:3a2f06aeceaf	3285	}
buyukesmeli	0:3a2f06aeceaf	3286	if (res == FR_OK) {
buyukesmeli	0:3a2f06aeceaf	3287	dp->id = fs->id;
buyukesmeli	0:3a2f06aeceaf	3288	res = dir_sdi(dp, 0); /* Rewind directory */
buyukesmeli	0:3a2f06aeceaf	3289	#if _FS_LOCK
buyukesmeli	0:3a2f06aeceaf	3290	if (res == FR_OK) {
buyukesmeli	0:3a2f06aeceaf	3291	if (dp->sclust) {
buyukesmeli	0:3a2f06aeceaf	3292	dp->lockid = inc_lock(dp, 0); /* Lock the sub directory */
buyukesmeli	0:3a2f06aeceaf	3293	if (!dp->lockid)
buyukesmeli	0:3a2f06aeceaf	3294	res = FR_TOO_MANY_OPEN_FILES;
buyukesmeli	0:3a2f06aeceaf	3295	} else {
buyukesmeli	0:3a2f06aeceaf	3296	dp->lockid = 0; /* Root directory need not to be locked */
buyukesmeli	0:3a2f06aeceaf	3297	}
buyukesmeli	0:3a2f06aeceaf	3298	}
buyukesmeli	0:3a2f06aeceaf	3299	#endif
buyukesmeli	0:3a2f06aeceaf	3300	}
buyukesmeli	0:3a2f06aeceaf	3301	}
buyukesmeli	0:3a2f06aeceaf	3302	if (res == FR_NO_FILE) res = FR_NO_PATH;
buyukesmeli	0:3a2f06aeceaf	3303	}
buyukesmeli	0:3a2f06aeceaf	3304	if (res != FR_OK) dp->fs = 0; /* Invalidate the directory object if function faild */
buyukesmeli	0:3a2f06aeceaf	3305
buyukesmeli	0:3a2f06aeceaf	3306	LEAVE_FF(fs, res);
buyukesmeli	0:3a2f06aeceaf	3307	}
buyukesmeli	0:3a2f06aeceaf	3308
buyukesmeli	0:3a2f06aeceaf	3309
buyukesmeli	0:3a2f06aeceaf	3310
buyukesmeli	0:3a2f06aeceaf	3311
buyukesmeli	0:3a2f06aeceaf	3312	/-----------------------------------------------------------------------/
buyukesmeli	0:3a2f06aeceaf	3313	/* Close Directory */
buyukesmeli	0:3a2f06aeceaf	3314	/-----------------------------------------------------------------------/
buyukesmeli	0:3a2f06aeceaf	3315
buyukesmeli	0:3a2f06aeceaf	3316	FRESULT f_closedir (
buyukesmeli	0:3a2f06aeceaf	3317	DIR_ dp / Pointer to the directory object to be closed */
buyukesmeli	0:3a2f06aeceaf	3318	)
buyukesmeli	0:3a2f06aeceaf	3319	{
buyukesmeli	0:3a2f06aeceaf	3320	FRESULT res;
buyukesmeli	0:3a2f06aeceaf	3321
buyukesmeli	0:3a2f06aeceaf	3322
buyukesmeli	0:3a2f06aeceaf	3323	res = validate(dp);
buyukesmeli	0:3a2f06aeceaf	3324	if (res == FR_OK) {
buyukesmeli	0:3a2f06aeceaf	3325	#if _FS_REENTRANT
buyukesmeli	0:3a2f06aeceaf	3326	FATFS *fs = dp->fs;
buyukesmeli	0:3a2f06aeceaf	3327	#endif
buyukesmeli	0:3a2f06aeceaf	3328	#if _FS_LOCK
buyukesmeli	0:3a2f06aeceaf	3329	if (dp->lockid) /* Decrement sub-directory open counter */
buyukesmeli	0:3a2f06aeceaf	3330	res = dec_lock(dp->lockid);
buyukesmeli	0:3a2f06aeceaf	3331	if (res == FR_OK)
buyukesmeli	0:3a2f06aeceaf	3332	#endif
buyukesmeli	0:3a2f06aeceaf	3333	dp->fs = 0; /* Invalidate directory object */
buyukesmeli	0:3a2f06aeceaf	3334	#if _FS_REENTRANT
buyukesmeli	0:3a2f06aeceaf	3335	unlock_fs(fs, FR_OK); /* Unlock volume */
buyukesmeli	0:3a2f06aeceaf	3336	#endif
buyukesmeli	0:3a2f06aeceaf	3337	}
buyukesmeli	0:3a2f06aeceaf	3338	return res;
buyukesmeli	0:3a2f06aeceaf	3339	}
buyukesmeli	0:3a2f06aeceaf	3340
buyukesmeli	0:3a2f06aeceaf	3341
buyukesmeli	0:3a2f06aeceaf	3342
buyukesmeli	0:3a2f06aeceaf	3343
buyukesmeli	0:3a2f06aeceaf	3344	/-----------------------------------------------------------------------/
buyukesmeli	0:3a2f06aeceaf	3345	/* Read Directory Entries in Sequence */
buyukesmeli	0:3a2f06aeceaf	3346	/-----------------------------------------------------------------------/
buyukesmeli	0:3a2f06aeceaf	3347
buyukesmeli	0:3a2f06aeceaf	3348	FRESULT f_readdir (
buyukesmeli	0:3a2f06aeceaf	3349	DIR_* dp, /* Pointer to the open directory object */
buyukesmeli	0:3a2f06aeceaf	3350	FILINFO* fno /* Pointer to file information to return */
buyukesmeli	0:3a2f06aeceaf	3351	)
buyukesmeli	0:3a2f06aeceaf	3352	{
buyukesmeli	0:3a2f06aeceaf	3353	FRESULT res;
buyukesmeli	0:3a2f06aeceaf	3354	DEFINE_NAMEBUF;
buyukesmeli	0:3a2f06aeceaf	3355
buyukesmeli	0:3a2f06aeceaf	3356
buyukesmeli	0:3a2f06aeceaf	3357	res = validate(dp); /* Check validity of the object */
buyukesmeli	0:3a2f06aeceaf	3358	if (res == FR_OK) {
buyukesmeli	0:3a2f06aeceaf	3359	if (!fno) {
buyukesmeli	0:3a2f06aeceaf	3360	res = dir_sdi(dp, 0); /* Rewind the directory object */
buyukesmeli	0:3a2f06aeceaf	3361	} else {
buyukesmeli	0:3a2f06aeceaf	3362	INIT_BUF(*dp);
buyukesmeli	0:3a2f06aeceaf	3363	res = dir_read(dp, 0); /* Read an item */
buyukesmeli	0:3a2f06aeceaf	3364	if (res == FR_NO_FILE) { /* Reached end of directory */
buyukesmeli	0:3a2f06aeceaf	3365	dp->sect = 0;
buyukesmeli	0:3a2f06aeceaf	3366	res = FR_OK;
buyukesmeli	0:3a2f06aeceaf	3367	}
buyukesmeli	0:3a2f06aeceaf	3368	if (res == FR_OK) { /* A valid entry is found */
buyukesmeli	0:3a2f06aeceaf	3369	get_fileinfo(dp, fno); /* Get the object information */
buyukesmeli	0:3a2f06aeceaf	3370	res = dir_next(dp, 0); /* Increment index for next */
buyukesmeli	0:3a2f06aeceaf	3371	if (res == FR_NO_FILE) {
buyukesmeli	0:3a2f06aeceaf	3372	dp->sect = 0;
buyukesmeli	0:3a2f06aeceaf	3373	res = FR_OK;
buyukesmeli	0:3a2f06aeceaf	3374	}
buyukesmeli	0:3a2f06aeceaf	3375	}
buyukesmeli	0:3a2f06aeceaf	3376	FREE_BUF();
buyukesmeli	0:3a2f06aeceaf	3377	}
buyukesmeli	0:3a2f06aeceaf	3378	}
buyukesmeli	0:3a2f06aeceaf	3379
buyukesmeli	0:3a2f06aeceaf	3380	LEAVE_FF(dp->fs, res);
buyukesmeli	0:3a2f06aeceaf	3381	}
buyukesmeli	0:3a2f06aeceaf	3382
buyukesmeli	0:3a2f06aeceaf	3383
buyukesmeli	0:3a2f06aeceaf	3384
buyukesmeli	0:3a2f06aeceaf	3385	#if _USE_FIND
buyukesmeli	0:3a2f06aeceaf	3386	/-----------------------------------------------------------------------/
buyukesmeli	0:3a2f06aeceaf	3387	/* Find next file */
buyukesmeli	0:3a2f06aeceaf	3388	/-----------------------------------------------------------------------/
buyukesmeli	0:3a2f06aeceaf	3389
buyukesmeli	0:3a2f06aeceaf	3390	FRESULT f_findnext (
buyukesmeli	0:3a2f06aeceaf	3391	DIR* dp, /* Pointer to the open directory object */
buyukesmeli	0:3a2f06aeceaf	3392	FILINFO* fno /* Pointer to the file information structure */
buyukesmeli	0:3a2f06aeceaf	3393	)
buyukesmeli	0:3a2f06aeceaf	3394	{
buyukesmeli	0:3a2f06aeceaf	3395	FRESULT res;
buyukesmeli	0:3a2f06aeceaf	3396
buyukesmeli	0:3a2f06aeceaf	3397
buyukesmeli	0:3a2f06aeceaf	3398	for (;;) {
buyukesmeli	0:3a2f06aeceaf	3399	res = f_readdir(dp, fno); /* Get a directory item */
buyukesmeli	0:3a2f06aeceaf	3400	if (res != FR_OK \|\| !fno \|\| !fno->fname[0]) break; /* Terminate if any error or end of directory */
buyukesmeli	0:3a2f06aeceaf	3401	#if _USE_LFN
buyukesmeli	0:3a2f06aeceaf	3402	if (fno->lfname && pattern_matching(dp->pat, fno->lfname, 0, 0)) break; /* Test for LFN if exist */
buyukesmeli	0:3a2f06aeceaf	3403	#endif
buyukesmeli	0:3a2f06aeceaf	3404	if (pattern_matching(dp->pat, fno->fname, 0, 0)) break; /* Test for SFN */
buyukesmeli	0:3a2f06aeceaf	3405	}
buyukesmeli	0:3a2f06aeceaf	3406	return res;
buyukesmeli	0:3a2f06aeceaf	3407
buyukesmeli	0:3a2f06aeceaf	3408	}
buyukesmeli	0:3a2f06aeceaf	3409
buyukesmeli	0:3a2f06aeceaf	3410
buyukesmeli	0:3a2f06aeceaf	3411
buyukesmeli	0:3a2f06aeceaf	3412	/-----------------------------------------------------------------------/
buyukesmeli	0:3a2f06aeceaf	3413	/* Find first file */
buyukesmeli	0:3a2f06aeceaf	3414	/-----------------------------------------------------------------------/
buyukesmeli	0:3a2f06aeceaf	3415
buyukesmeli	0:3a2f06aeceaf	3416	FRESULT f_findfirst (
buyukesmeli	0:3a2f06aeceaf	3417	DIR* dp, /* Pointer to the blank directory object */
buyukesmeli	0:3a2f06aeceaf	3418	FILINFO* fno, /* Pointer to the file information structure */
buyukesmeli	0:3a2f06aeceaf	3419	const TCHAR* path, /* Pointer to the directory to open */
buyukesmeli	0:3a2f06aeceaf	3420	const TCHAR* pattern /* Pointer to the matching pattern */
buyukesmeli	0:3a2f06aeceaf	3421	)
buyukesmeli	0:3a2f06aeceaf	3422	{
buyukesmeli	0:3a2f06aeceaf	3423	FRESULT res;
buyukesmeli	0:3a2f06aeceaf	3424
buyukesmeli	0:3a2f06aeceaf	3425
buyukesmeli	0:3a2f06aeceaf	3426	dp->pat = pattern; /* Save pointer to pattern string */
buyukesmeli	0:3a2f06aeceaf	3427	res = f_opendir(dp, path); /* Open the target directory */
buyukesmeli	0:3a2f06aeceaf	3428	if (res == FR_OK)
buyukesmeli	0:3a2f06aeceaf	3429	res = f_findnext(dp, fno); /* Find the first item */
buyukesmeli	0:3a2f06aeceaf	3430	return res;
buyukesmeli	0:3a2f06aeceaf	3431	}
buyukesmeli	0:3a2f06aeceaf	3432
buyukesmeli	0:3a2f06aeceaf	3433	#endif /* _USE_FIND */
buyukesmeli	0:3a2f06aeceaf	3434
buyukesmeli	0:3a2f06aeceaf	3435
buyukesmeli	0:3a2f06aeceaf	3436
buyukesmeli	0:3a2f06aeceaf	3437	#if _FS_MINIMIZE == 0
buyukesmeli	0:3a2f06aeceaf	3438	/-----------------------------------------------------------------------/
buyukesmeli	0:3a2f06aeceaf	3439	/* Get File Status */
buyukesmeli	0:3a2f06aeceaf	3440	/-----------------------------------------------------------------------/
buyukesmeli	0:3a2f06aeceaf	3441
buyukesmeli	0:3a2f06aeceaf	3442	FRESULT f_stat (
buyukesmeli	0:3a2f06aeceaf	3443	const TCHAR* path, /* Pointer to the file path */
buyukesmeli	0:3a2f06aeceaf	3444	FILINFO* fno /* Pointer to file information to return */
buyukesmeli	0:3a2f06aeceaf	3445	)
buyukesmeli	0:3a2f06aeceaf	3446	{
buyukesmeli	0:3a2f06aeceaf	3447	FRESULT res;
buyukesmeli	0:3a2f06aeceaf	3448	DIR_ dj;
buyukesmeli	0:3a2f06aeceaf	3449	DEFINE_NAMEBUF;
buyukesmeli	0:3a2f06aeceaf	3450
buyukesmeli	0:3a2f06aeceaf	3451
buyukesmeli	0:3a2f06aeceaf	3452	/* Get logical drive number */
buyukesmeli	0:3a2f06aeceaf	3453	res = find_volume(&dj.fs, &path, 0);
buyukesmeli	0:3a2f06aeceaf	3454	if (res == FR_OK) {
buyukesmeli	0:3a2f06aeceaf	3455	INIT_BUF(dj);
buyukesmeli	0:3a2f06aeceaf	3456	res = follow_path(&dj, path); /* Follow the file path */
buyukesmeli	0:3a2f06aeceaf	3457	if (res == FR_OK) { /* Follow completed */
buyukesmeli	0:3a2f06aeceaf	3458	if (dj.dir) { /* Found an object */
buyukesmeli	0:3a2f06aeceaf	3459	if (fno) get_fileinfo(&dj, fno);
buyukesmeli	0:3a2f06aeceaf	3460	} else { /* It is root directory */
buyukesmeli	0:3a2f06aeceaf	3461	res = FR_INVALID_NAME;
buyukesmeli	0:3a2f06aeceaf	3462	}
buyukesmeli	0:3a2f06aeceaf	3463	}
buyukesmeli	0:3a2f06aeceaf	3464	FREE_BUF();
buyukesmeli	0:3a2f06aeceaf	3465	}
buyukesmeli	0:3a2f06aeceaf	3466
buyukesmeli	0:3a2f06aeceaf	3467	LEAVE_FF(dj.fs, res);
buyukesmeli	0:3a2f06aeceaf	3468	}
buyukesmeli	0:3a2f06aeceaf	3469
buyukesmeli	0:3a2f06aeceaf	3470
buyukesmeli	0:3a2f06aeceaf	3471
buyukesmeli	0:3a2f06aeceaf	3472	#if !_FS_READONLY
buyukesmeli	0:3a2f06aeceaf	3473	/-----------------------------------------------------------------------/
buyukesmeli	0:3a2f06aeceaf	3474	/* Get Number of Free Clusters */
buyukesmeli	0:3a2f06aeceaf	3475	/-----------------------------------------------------------------------/
buyukesmeli	0:3a2f06aeceaf	3476
buyukesmeli	0:3a2f06aeceaf	3477	FRESULT f_getfree (
buyukesmeli	0:3a2f06aeceaf	3478	const TCHAR* path, /* Path name of the logical drive number */
buyukesmeli	0:3a2f06aeceaf	3479	DWORD* nclst, /* Pointer to a variable to return number of free clusters */
buyukesmeli	0:3a2f06aeceaf	3480	FATFS** fatfs /* Pointer to return pointer to corresponding file system object */
buyukesmeli	0:3a2f06aeceaf	3481	)
buyukesmeli	0:3a2f06aeceaf	3482	{
buyukesmeli	0:3a2f06aeceaf	3483	FRESULT res;
buyukesmeli	0:3a2f06aeceaf	3484	FATFS *fs;
buyukesmeli	0:3a2f06aeceaf	3485	DWORD n, clst, sect, stat;
buyukesmeli	0:3a2f06aeceaf	3486	UINT i;
buyukesmeli	0:3a2f06aeceaf	3487	BYTE fat, *p;
buyukesmeli	0:3a2f06aeceaf	3488
buyukesmeli	0:3a2f06aeceaf	3489
buyukesmeli	0:3a2f06aeceaf	3490	/* Get logical drive number */
buyukesmeli	0:3a2f06aeceaf	3491	res = find_volume(fatfs, &path, 0);
buyukesmeli	0:3a2f06aeceaf	3492	fs = *fatfs;
buyukesmeli	0:3a2f06aeceaf	3493	if (res == FR_OK) {
buyukesmeli	0:3a2f06aeceaf	3494	/* If free_clust is valid, return it without full cluster scan */
buyukesmeli	0:3a2f06aeceaf	3495	if (fs->free_clust <= fs->n_fatent - 2) {
buyukesmeli	0:3a2f06aeceaf	3496	*nclst = fs->free_clust;
buyukesmeli	0:3a2f06aeceaf	3497	} else {
buyukesmeli	0:3a2f06aeceaf	3498	/* Get number of free clusters */
buyukesmeli	0:3a2f06aeceaf	3499	fat = fs->fs_type;
buyukesmeli	0:3a2f06aeceaf	3500	n = 0;
buyukesmeli	0:3a2f06aeceaf	3501	if (fat == FS_FAT12) {
buyukesmeli	0:3a2f06aeceaf	3502	clst = 2;
buyukesmeli	0:3a2f06aeceaf	3503	do {
buyukesmeli	0:3a2f06aeceaf	3504	stat = get_fat(fs, clst);
buyukesmeli	0:3a2f06aeceaf	3505	if (stat == 0xFFFFFFFF) { res = FR_DISK_ERR; break; }
buyukesmeli	0:3a2f06aeceaf	3506	if (stat == 1) { res = FR_INT_ERR; break; }
buyukesmeli	0:3a2f06aeceaf	3507	if (stat == 0) n++;
buyukesmeli	0:3a2f06aeceaf	3508	} while (++clst < fs->n_fatent);
buyukesmeli	0:3a2f06aeceaf	3509	} else {
buyukesmeli	0:3a2f06aeceaf	3510	clst = fs->n_fatent;
buyukesmeli	0:3a2f06aeceaf	3511	sect = fs->fatbase;
buyukesmeli	0:3a2f06aeceaf	3512	i = 0; p = 0;
buyukesmeli	0:3a2f06aeceaf	3513	do {
buyukesmeli	0:3a2f06aeceaf	3514	if (!i) {
buyukesmeli	0:3a2f06aeceaf	3515	res = move_window(fs, sect++);
buyukesmeli	0:3a2f06aeceaf	3516	if (res != FR_OK) break;
buyukesmeli	0:3a2f06aeceaf	3517	p = fs->win.d8;
buyukesmeli	0:3a2f06aeceaf	3518	i = SS(fs);
buyukesmeli	0:3a2f06aeceaf	3519	}
buyukesmeli	0:3a2f06aeceaf	3520	if (fat == FS_FAT16) {
buyukesmeli	0:3a2f06aeceaf	3521	if (LD_WORD(p) == 0) n++;
buyukesmeli	0:3a2f06aeceaf	3522	p += 2; i -= 2;
buyukesmeli	0:3a2f06aeceaf	3523	} else {
buyukesmeli	0:3a2f06aeceaf	3524	if ((LD_DWORD(p) & 0x0FFFFFFF) == 0) n++;
buyukesmeli	0:3a2f06aeceaf	3525	p += 4; i -= 4;
buyukesmeli	0:3a2f06aeceaf	3526	}
buyukesmeli	0:3a2f06aeceaf	3527	} while (--clst);
buyukesmeli	0:3a2f06aeceaf	3528	}
buyukesmeli	0:3a2f06aeceaf	3529	fs->free_clust = n;
buyukesmeli	0:3a2f06aeceaf	3530	fs->fsi_flag \|= 1;
buyukesmeli	0:3a2f06aeceaf	3531	*nclst = n;
buyukesmeli	0:3a2f06aeceaf	3532	}
buyukesmeli	0:3a2f06aeceaf	3533	}
buyukesmeli	0:3a2f06aeceaf	3534	LEAVE_FF(fs, res);
buyukesmeli	0:3a2f06aeceaf	3535	}
buyukesmeli	0:3a2f06aeceaf	3536
buyukesmeli	0:3a2f06aeceaf	3537
buyukesmeli	0:3a2f06aeceaf	3538
buyukesmeli	0:3a2f06aeceaf	3539
buyukesmeli	0:3a2f06aeceaf	3540	/-----------------------------------------------------------------------/
buyukesmeli	0:3a2f06aeceaf	3541	/* Truncate File */
buyukesmeli	0:3a2f06aeceaf	3542	/-----------------------------------------------------------------------/
buyukesmeli	0:3a2f06aeceaf	3543
buyukesmeli	0:3a2f06aeceaf	3544	FRESULT f_truncate (
buyukesmeli	0:3a2f06aeceaf	3545	FIL* fp /* Pointer to the file object */
buyukesmeli	0:3a2f06aeceaf	3546	)
buyukesmeli	0:3a2f06aeceaf	3547	{
buyukesmeli	0:3a2f06aeceaf	3548	FRESULT res;
buyukesmeli	0:3a2f06aeceaf	3549	DWORD ncl;
buyukesmeli	0:3a2f06aeceaf	3550
buyukesmeli	0:3a2f06aeceaf	3551
buyukesmeli	0:3a2f06aeceaf	3552	res = validate(fp); /* Check validity of the object */
buyukesmeli	0:3a2f06aeceaf	3553	if (res == FR_OK) {
buyukesmeli	0:3a2f06aeceaf	3554	if (fp->err) { /* Check error */
buyukesmeli	0:3a2f06aeceaf	3555	res = (FRESULT)fp->err;
buyukesmeli	0:3a2f06aeceaf	3556	} else {
buyukesmeli	0:3a2f06aeceaf	3557	if (!(fp->flag & FA_WRITE)) /* Check access mode */
buyukesmeli	0:3a2f06aeceaf	3558	res = FR_DENIED;
buyukesmeli	0:3a2f06aeceaf	3559	}
buyukesmeli	0:3a2f06aeceaf	3560	}
buyukesmeli	0:3a2f06aeceaf	3561	if (res == FR_OK) {
buyukesmeli	0:3a2f06aeceaf	3562	if (fp->fsize > fp->fptr) {
buyukesmeli	0:3a2f06aeceaf	3563	fp->fsize = fp->fptr; /* Set file size to current R/W point */
buyukesmeli	0:3a2f06aeceaf	3564	fp->flag \|= FA__WRITTEN;
buyukesmeli	0:3a2f06aeceaf	3565	if (fp->fptr == 0) { /* When set file size to zero, remove entire cluster chain */
buyukesmeli	0:3a2f06aeceaf	3566	res = remove_chain(fp->fs, fp->sclust);
buyukesmeli	0:3a2f06aeceaf	3567	fp->sclust = 0;
buyukesmeli	0:3a2f06aeceaf	3568	} else { /* When truncate a part of the file, remove remaining clusters */
buyukesmeli	0:3a2f06aeceaf	3569	ncl = get_fat(fp->fs, fp->clust);
buyukesmeli	0:3a2f06aeceaf	3570	res = FR_OK;
buyukesmeli	0:3a2f06aeceaf	3571	if (ncl == 0xFFFFFFFF) res = FR_DISK_ERR;
buyukesmeli	0:3a2f06aeceaf	3572	if (ncl == 1) res = FR_INT_ERR;
buyukesmeli	0:3a2f06aeceaf	3573	if (res == FR_OK && ncl < fp->fs->n_fatent) {
buyukesmeli	0:3a2f06aeceaf	3574	res = put_fat(fp->fs, fp->clust, 0x0FFFFFFF);
buyukesmeli	0:3a2f06aeceaf	3575	if (res == FR_OK) res = remove_chain(fp->fs, ncl);
buyukesmeli	0:3a2f06aeceaf	3576	}
buyukesmeli	0:3a2f06aeceaf	3577	}
buyukesmeli	0:3a2f06aeceaf	3578	#if !_FS_TINY
buyukesmeli	0:3a2f06aeceaf	3579	if (res == FR_OK && (fp->flag & FA__DIRTY)) {
buyukesmeli	0:3a2f06aeceaf	3580	if (disk_write(fp->fs->drv, fp->buf.d8, fp->dsect, 1) != RES_OK)
buyukesmeli	0:3a2f06aeceaf	3581	res = FR_DISK_ERR;
buyukesmeli	0:3a2f06aeceaf	3582	else
buyukesmeli	0:3a2f06aeceaf	3583	fp->flag &= ~FA__DIRTY;
buyukesmeli	0:3a2f06aeceaf	3584	}
buyukesmeli	0:3a2f06aeceaf	3585	#endif
buyukesmeli	0:3a2f06aeceaf	3586	}
buyukesmeli	0:3a2f06aeceaf	3587	if (res != FR_OK) fp->err = (FRESULT)res;
buyukesmeli	0:3a2f06aeceaf	3588	}
buyukesmeli	0:3a2f06aeceaf	3589
buyukesmeli	0:3a2f06aeceaf	3590	LEAVE_FF(fp->fs, res);
buyukesmeli	0:3a2f06aeceaf	3591	}
buyukesmeli	0:3a2f06aeceaf	3592
buyukesmeli	0:3a2f06aeceaf	3593
buyukesmeli	0:3a2f06aeceaf	3594
buyukesmeli	0:3a2f06aeceaf	3595
buyukesmeli	0:3a2f06aeceaf	3596	/-----------------------------------------------------------------------/
buyukesmeli	0:3a2f06aeceaf	3597	/* Delete a File or Directory */
buyukesmeli	0:3a2f06aeceaf	3598	/-----------------------------------------------------------------------/
buyukesmeli	0:3a2f06aeceaf	3599
buyukesmeli	0:3a2f06aeceaf	3600	FRESULT f_unlink (
buyukesmeli	0:3a2f06aeceaf	3601	const TCHAR* path /* Pointer to the file or directory path */
buyukesmeli	0:3a2f06aeceaf	3602	)
buyukesmeli	0:3a2f06aeceaf	3603	{
buyukesmeli	0:3a2f06aeceaf	3604	FRESULT res;
buyukesmeli	0:3a2f06aeceaf	3605	DIR_ dj, sdj;
buyukesmeli	0:3a2f06aeceaf	3606	BYTE *dir;
buyukesmeli	0:3a2f06aeceaf	3607	DWORD dclst = 0;
buyukesmeli	0:3a2f06aeceaf	3608	DEFINE_NAMEBUF;
buyukesmeli	0:3a2f06aeceaf	3609
buyukesmeli	0:3a2f06aeceaf	3610
buyukesmeli	0:3a2f06aeceaf	3611	/* Get logical drive number */
buyukesmeli	0:3a2f06aeceaf	3612	res = find_volume(&dj.fs, &path, 1);
buyukesmeli	0:3a2f06aeceaf	3613	if (res == FR_OK) {
buyukesmeli	0:3a2f06aeceaf	3614	INIT_BUF(dj);
buyukesmeli	0:3a2f06aeceaf	3615	res = follow_path(&dj, path); /* Follow the file path */
buyukesmeli	0:3a2f06aeceaf	3616	if (_FS_RPATH && res == FR_OK && (dj.fn[NSFLAG] & NS_DOT))
buyukesmeli	0:3a2f06aeceaf	3617	res = FR_INVALID_NAME; /* Cannot remove dot entry */
buyukesmeli	0:3a2f06aeceaf	3618	#if _FS_LOCK
buyukesmeli	0:3a2f06aeceaf	3619	if (res == FR_OK) res = chk_lock(&dj, 2); /* Cannot remove open object */
buyukesmeli	0:3a2f06aeceaf	3620	#endif
buyukesmeli	0:3a2f06aeceaf	3621	if (res == FR_OK) { /* The object is accessible */
buyukesmeli	0:3a2f06aeceaf	3622	dir = dj.dir;
buyukesmeli	0:3a2f06aeceaf	3623	if (!dir) {
buyukesmeli	0:3a2f06aeceaf	3624	res = FR_INVALID_NAME; /* Cannot remove the origin directory */
buyukesmeli	0:3a2f06aeceaf	3625	} else {
buyukesmeli	0:3a2f06aeceaf	3626	if (dir[DIR_Attr] & AM_RDO)
buyukesmeli	0:3a2f06aeceaf	3627	res = FR_DENIED; /* Cannot remove R/O object */
buyukesmeli	0:3a2f06aeceaf	3628	}
buyukesmeli	0:3a2f06aeceaf	3629	if (res == FR_OK) {
buyukesmeli	0:3a2f06aeceaf	3630	dclst = ld_clust(dj.fs, dir);
buyukesmeli	0:3a2f06aeceaf	3631	if (dclst && (dir[DIR_Attr] & AM_DIR)) { /* Is it a sub-directory ? */
buyukesmeli	0:3a2f06aeceaf	3632	#if _FS_RPATH
buyukesmeli	0:3a2f06aeceaf	3633	if (dclst == dj.fs->cdir) { /* Is it the current directory? */
buyukesmeli	0:3a2f06aeceaf	3634	res = FR_DENIED;
buyukesmeli	0:3a2f06aeceaf	3635	} else
buyukesmeli	0:3a2f06aeceaf	3636	#endif
buyukesmeli	0:3a2f06aeceaf	3637	{
buyukesmeli	0:3a2f06aeceaf	3638	mem_cpy(&sdj, &dj, sizeof (DIR_)); /* Open the sub-directory */
buyukesmeli	0:3a2f06aeceaf	3639	sdj.sclust = dclst;
buyukesmeli	0:3a2f06aeceaf	3640	res = dir_sdi(&sdj, 2);
buyukesmeli	0:3a2f06aeceaf	3641	if (res == FR_OK) {
buyukesmeli	0:3a2f06aeceaf	3642	res = dir_read(&sdj, 0); /* Read an item (excluding dot entries) */
buyukesmeli	0:3a2f06aeceaf	3643	if (res == FR_OK) res = FR_DENIED; /* Not empty? (cannot remove) */
buyukesmeli	0:3a2f06aeceaf	3644	if (res == FR_NO_FILE) res = FR_OK; /* Empty? (can remove) */
buyukesmeli	0:3a2f06aeceaf	3645	}
buyukesmeli	0:3a2f06aeceaf	3646	}
buyukesmeli	0:3a2f06aeceaf	3647	}
buyukesmeli	0:3a2f06aeceaf	3648	}
buyukesmeli	0:3a2f06aeceaf	3649	if (res == FR_OK) {
buyukesmeli	0:3a2f06aeceaf	3650	res = dir_remove(&dj); /* Remove the directory entry */
buyukesmeli	0:3a2f06aeceaf	3651	if (res == FR_OK && dclst) /* Remove the cluster chain if exist */
buyukesmeli	0:3a2f06aeceaf	3652	res = remove_chain(dj.fs, dclst);
buyukesmeli	0:3a2f06aeceaf	3653	if (res == FR_OK) res = sync_fs(dj.fs);
buyukesmeli	0:3a2f06aeceaf	3654	}
buyukesmeli	0:3a2f06aeceaf	3655	}
buyukesmeli	0:3a2f06aeceaf	3656	FREE_BUF();
buyukesmeli	0:3a2f06aeceaf	3657	}
buyukesmeli	0:3a2f06aeceaf	3658
buyukesmeli	0:3a2f06aeceaf	3659	LEAVE_FF(dj.fs, res);
buyukesmeli	0:3a2f06aeceaf	3660	}
buyukesmeli	0:3a2f06aeceaf	3661
buyukesmeli	0:3a2f06aeceaf	3662
buyukesmeli	0:3a2f06aeceaf	3663
buyukesmeli	0:3a2f06aeceaf	3664
buyukesmeli	0:3a2f06aeceaf	3665	/-----------------------------------------------------------------------/
buyukesmeli	0:3a2f06aeceaf	3666	/* Create a Directory */
buyukesmeli	0:3a2f06aeceaf	3667	/-----------------------------------------------------------------------/
buyukesmeli	0:3a2f06aeceaf	3668
buyukesmeli	0:3a2f06aeceaf	3669	FRESULT f_mkdir (
buyukesmeli	0:3a2f06aeceaf	3670	const TCHAR* path /* Pointer to the directory path */
buyukesmeli	0:3a2f06aeceaf	3671	)
buyukesmeli	0:3a2f06aeceaf	3672	{
buyukesmeli	0:3a2f06aeceaf	3673	FRESULT res;
buyukesmeli	0:3a2f06aeceaf	3674	DIR_ dj;
buyukesmeli	0:3a2f06aeceaf	3675	BYTE *dir, n;
buyukesmeli	0:3a2f06aeceaf	3676	DWORD dsc, dcl, pcl, tm = GET_FATTIME();
buyukesmeli	0:3a2f06aeceaf	3677	DEFINE_NAMEBUF;
buyukesmeli	0:3a2f06aeceaf	3678
buyukesmeli	0:3a2f06aeceaf	3679
buyukesmeli	0:3a2f06aeceaf	3680	/* Get logical drive number */
buyukesmeli	0:3a2f06aeceaf	3681	res = find_volume(&dj.fs, &path, 1);
buyukesmeli	0:3a2f06aeceaf	3682	if (res == FR_OK) {
buyukesmeli	0:3a2f06aeceaf	3683	INIT_BUF(dj);
buyukesmeli	0:3a2f06aeceaf	3684	res = follow_path(&dj, path); /* Follow the file path */
buyukesmeli	0:3a2f06aeceaf	3685	if (res == FR_OK) res = FR_EXIST; /* Any object with same name is already existing */
buyukesmeli	0:3a2f06aeceaf	3686	if (_FS_RPATH && res == FR_NO_FILE && (dj.fn[NSFLAG] & NS_DOT))
buyukesmeli	0:3a2f06aeceaf	3687	res = FR_INVALID_NAME;
buyukesmeli	0:3a2f06aeceaf	3688	if (res == FR_NO_FILE) { /* Can create a new directory */
buyukesmeli	0:3a2f06aeceaf	3689	dcl = create_chain(dj.fs, 0); /* Allocate a cluster for the new directory table */
buyukesmeli	0:3a2f06aeceaf	3690	res = FR_OK;
buyukesmeli	0:3a2f06aeceaf	3691	if (dcl == 0) res = FR_DENIED; /* No space to allocate a new cluster */
buyukesmeli	0:3a2f06aeceaf	3692	if (dcl == 1) res = FR_INT_ERR;
buyukesmeli	0:3a2f06aeceaf	3693	if (dcl == 0xFFFFFFFF) res = FR_DISK_ERR;
buyukesmeli	0:3a2f06aeceaf	3694	if (res == FR_OK) /* Flush FAT */
buyukesmeli	0:3a2f06aeceaf	3695	res = sync_window(dj.fs);
buyukesmeli	0:3a2f06aeceaf	3696	if (res == FR_OK) { /* Initialize the new directory table */
buyukesmeli	0:3a2f06aeceaf	3697	dsc = clust2sect(dj.fs, dcl);
buyukesmeli	0:3a2f06aeceaf	3698	dir = dj.fs->win.d8;
buyukesmeli	0:3a2f06aeceaf	3699	mem_set(dir, 0, SS(dj.fs));
buyukesmeli	0:3a2f06aeceaf	3700	mem_set(dir + DIR_Name, ' ', 11); /* Create "." entry */
buyukesmeli	0:3a2f06aeceaf	3701	dir[DIR_Name] = '.';
buyukesmeli	0:3a2f06aeceaf	3702	dir[DIR_Attr] = AM_DIR;
buyukesmeli	0:3a2f06aeceaf	3703	ST_DWORD(dir + DIR_WrtTime, tm);
buyukesmeli	0:3a2f06aeceaf	3704	st_clust(dir, dcl);
buyukesmeli	0:3a2f06aeceaf	3705	mem_cpy(dir + SZ_DIRE, dir, SZ_DIRE); /* Create ".." entry */
buyukesmeli	0:3a2f06aeceaf	3706	dir[SZ_DIRE + 1] = '.'; pcl = dj.sclust;
buyukesmeli	0:3a2f06aeceaf	3707	if (dj.fs->fs_type == FS_FAT32 && pcl == dj.fs->dirbase)
buyukesmeli	0:3a2f06aeceaf	3708	pcl = 0;
buyukesmeli	0:3a2f06aeceaf	3709	st_clust(dir + SZ_DIRE, pcl);
buyukesmeli	0:3a2f06aeceaf	3710	for (n = dj.fs->csize; n; n--) { /* Write dot entries and clear following sectors */
buyukesmeli	0:3a2f06aeceaf	3711	dj.fs->winsect = dsc++;
buyukesmeli	0:3a2f06aeceaf	3712	dj.fs->wflag = 1;
buyukesmeli	0:3a2f06aeceaf	3713	res = sync_window(dj.fs);
buyukesmeli	0:3a2f06aeceaf	3714	if (res != FR_OK) break;
buyukesmeli	0:3a2f06aeceaf	3715	mem_set(dir, 0, SS(dj.fs));
buyukesmeli	0:3a2f06aeceaf	3716	}
buyukesmeli	0:3a2f06aeceaf	3717	}
buyukesmeli	0:3a2f06aeceaf	3718	if (res == FR_OK) res = dir_register(&dj); /* Register the object to the directoy */
buyukesmeli	0:3a2f06aeceaf	3719	if (res != FR_OK) {
buyukesmeli	0:3a2f06aeceaf	3720	remove_chain(dj.fs, dcl); /* Could not register, remove cluster chain */
buyukesmeli	0:3a2f06aeceaf	3721	} else {
buyukesmeli	0:3a2f06aeceaf	3722	dir = dj.dir;
buyukesmeli	0:3a2f06aeceaf	3723	dir[DIR_Attr] = AM_DIR; /* Attribute */
buyukesmeli	0:3a2f06aeceaf	3724	ST_DWORD(dir + DIR_WrtTime, tm); /* Created time */
buyukesmeli	0:3a2f06aeceaf	3725	st_clust(dir, dcl); /* Table start cluster */
buyukesmeli	0:3a2f06aeceaf	3726	dj.fs->wflag = 1;
buyukesmeli	0:3a2f06aeceaf	3727	res = sync_fs(dj.fs);
buyukesmeli	0:3a2f06aeceaf	3728	}
buyukesmeli	0:3a2f06aeceaf	3729	}
buyukesmeli	0:3a2f06aeceaf	3730	FREE_BUF();
buyukesmeli	0:3a2f06aeceaf	3731	}
buyukesmeli	0:3a2f06aeceaf	3732
buyukesmeli	0:3a2f06aeceaf	3733	LEAVE_FF(dj.fs, res);
buyukesmeli	0:3a2f06aeceaf	3734	}
buyukesmeli	0:3a2f06aeceaf	3735
buyukesmeli	0:3a2f06aeceaf	3736
buyukesmeli	0:3a2f06aeceaf	3737
buyukesmeli	0:3a2f06aeceaf	3738
buyukesmeli	0:3a2f06aeceaf	3739	/-----------------------------------------------------------------------/
buyukesmeli	0:3a2f06aeceaf	3740	/* Change Attribute */
buyukesmeli	0:3a2f06aeceaf	3741	/-----------------------------------------------------------------------/
buyukesmeli	0:3a2f06aeceaf	3742
buyukesmeli	0:3a2f06aeceaf	3743	FRESULT f_chmod (
buyukesmeli	0:3a2f06aeceaf	3744	const TCHAR* path, /* Pointer to the file path */
buyukesmeli	0:3a2f06aeceaf	3745	BYTE attr, /* Attribute bits */
buyukesmeli	0:3a2f06aeceaf	3746	BYTE mask /* Attribute mask to change */
buyukesmeli	0:3a2f06aeceaf	3747	)
buyukesmeli	0:3a2f06aeceaf	3748	{
buyukesmeli	0:3a2f06aeceaf	3749	FRESULT res;
buyukesmeli	0:3a2f06aeceaf	3750	DIR_ dj;
buyukesmeli	0:3a2f06aeceaf	3751	BYTE *dir;
buyukesmeli	0:3a2f06aeceaf	3752	DEFINE_NAMEBUF;
buyukesmeli	0:3a2f06aeceaf	3753
buyukesmeli	0:3a2f06aeceaf	3754
buyukesmeli	0:3a2f06aeceaf	3755	/* Get logical drive number */
buyukesmeli	0:3a2f06aeceaf	3756	res = find_volume(&dj.fs, &path, 1);
buyukesmeli	0:3a2f06aeceaf	3757	if (res == FR_OK) {
buyukesmeli	0:3a2f06aeceaf	3758	INIT_BUF(dj);
buyukesmeli	0:3a2f06aeceaf	3759	res = follow_path(&dj, path); /* Follow the file path */
buyukesmeli	0:3a2f06aeceaf	3760	FREE_BUF();
buyukesmeli	0:3a2f06aeceaf	3761	if (_FS_RPATH && res == FR_OK && (dj.fn[NSFLAG] & NS_DOT))
buyukesmeli	0:3a2f06aeceaf	3762	res = FR_INVALID_NAME;
buyukesmeli	0:3a2f06aeceaf	3763	if (res == FR_OK) {
buyukesmeli	0:3a2f06aeceaf	3764	dir = dj.dir;
buyukesmeli	0:3a2f06aeceaf	3765	if (!dir) { /* Is it a root directory? */
buyukesmeli	0:3a2f06aeceaf	3766	res = FR_INVALID_NAME;
buyukesmeli	0:3a2f06aeceaf	3767	} else { /* File or sub directory */
buyukesmeli	0:3a2f06aeceaf	3768	mask &= AM_RDO\|AM_HID\|AM_SYS\|AM_ARC; /* Valid attribute mask */
buyukesmeli	0:3a2f06aeceaf	3769	dir[DIR_Attr] = (attr & mask) \| (dir[DIR_Attr] & (BYTE)~mask); /* Apply attribute change */
buyukesmeli	0:3a2f06aeceaf	3770	dj.fs->wflag = 1;
buyukesmeli	0:3a2f06aeceaf	3771	res = sync_fs(dj.fs);
buyukesmeli	0:3a2f06aeceaf	3772	}
buyukesmeli	0:3a2f06aeceaf	3773	}
buyukesmeli	0:3a2f06aeceaf	3774	}
buyukesmeli	0:3a2f06aeceaf	3775
buyukesmeli	0:3a2f06aeceaf	3776	LEAVE_FF(dj.fs, res);
buyukesmeli	0:3a2f06aeceaf	3777	}
buyukesmeli	0:3a2f06aeceaf	3778
buyukesmeli	0:3a2f06aeceaf	3779
buyukesmeli	0:3a2f06aeceaf	3780
buyukesmeli	0:3a2f06aeceaf	3781
buyukesmeli	0:3a2f06aeceaf	3782	/-----------------------------------------------------------------------/
buyukesmeli	0:3a2f06aeceaf	3783	/* Rename File/Directory */
buyukesmeli	0:3a2f06aeceaf	3784	/-----------------------------------------------------------------------/
buyukesmeli	0:3a2f06aeceaf	3785
buyukesmeli	0:3a2f06aeceaf	3786	FRESULT f_rename (
buyukesmeli	0:3a2f06aeceaf	3787	const TCHAR* path_old, /* Pointer to the object to be renamed */
buyukesmeli	0:3a2f06aeceaf	3788	const TCHAR* path_new /* Pointer to the new name */
buyukesmeli	0:3a2f06aeceaf	3789	)
buyukesmeli	0:3a2f06aeceaf	3790	{
buyukesmeli	0:3a2f06aeceaf	3791	FRESULT res;
buyukesmeli	0:3a2f06aeceaf	3792	DIR_ djo, djn;
buyukesmeli	0:3a2f06aeceaf	3793	BYTE buf[21], *dir;
buyukesmeli	0:3a2f06aeceaf	3794	DWORD dw;
buyukesmeli	0:3a2f06aeceaf	3795	DEFINE_NAMEBUF;
buyukesmeli	0:3a2f06aeceaf	3796
buyukesmeli	0:3a2f06aeceaf	3797
buyukesmeli	0:3a2f06aeceaf	3798	/* Get logical drive number of the source object */
buyukesmeli	0:3a2f06aeceaf	3799	res = find_volume(&djo.fs, &path_old, 1);
buyukesmeli	0:3a2f06aeceaf	3800	if (res == FR_OK) {
buyukesmeli	0:3a2f06aeceaf	3801	djn.fs = djo.fs;
buyukesmeli	0:3a2f06aeceaf	3802	INIT_BUF(djo);
buyukesmeli	0:3a2f06aeceaf	3803	res = follow_path(&djo, path_old); /* Check old object */
buyukesmeli	0:3a2f06aeceaf	3804	if (_FS_RPATH && res == FR_OK && (djo.fn[NSFLAG] & NS_DOT))
buyukesmeli	0:3a2f06aeceaf	3805	res = FR_INVALID_NAME;
buyukesmeli	0:3a2f06aeceaf	3806	#if _FS_LOCK
buyukesmeli	0:3a2f06aeceaf	3807	if (res == FR_OK) res = chk_lock(&djo, 2);
buyukesmeli	0:3a2f06aeceaf	3808	#endif
buyukesmeli	0:3a2f06aeceaf	3809	if (res == FR_OK) { /* Old object is found */
buyukesmeli	0:3a2f06aeceaf	3810	if (!djo.dir) { /* Is root dir? */
buyukesmeli	0:3a2f06aeceaf	3811	res = FR_NO_FILE;
buyukesmeli	0:3a2f06aeceaf	3812	} else {
buyukesmeli	0:3a2f06aeceaf	3813	mem_cpy(buf, djo.dir + DIR_Attr, 21); /* Save information about object except name */
buyukesmeli	0:3a2f06aeceaf	3814	mem_cpy(&djn, &djo, sizeof (DIR_)); /* Duplicate the directory object */
buyukesmeli	0:3a2f06aeceaf	3815	if (get_ldnumber(&path_new) >= 0) /* Snip drive number off and ignore it */
buyukesmeli	0:3a2f06aeceaf	3816	res = follow_path(&djn, path_new); /* and make sure if new object name is not conflicting */
buyukesmeli	0:3a2f06aeceaf	3817	else
buyukesmeli	0:3a2f06aeceaf	3818	res = FR_INVALID_DRIVE;
buyukesmeli	0:3a2f06aeceaf	3819	if (res == FR_OK) res = FR_EXIST; /* The new object name is already existing */
buyukesmeli	0:3a2f06aeceaf	3820	if (res == FR_NO_FILE) { /* It is a valid path and no name collision */
buyukesmeli	0:3a2f06aeceaf	3821	res = dir_register(&djn); /* Register the new entry */
buyukesmeli	0:3a2f06aeceaf	3822	if (res == FR_OK) {
buyukesmeli	0:3a2f06aeceaf	3823	/* Start of critical section where any interruption can cause a cross-link */
buyukesmeli	0:3a2f06aeceaf	3824	dir = djn.dir; /* Copy information about object except name */
buyukesmeli	0:3a2f06aeceaf	3825	mem_cpy(dir + 13, buf + 2, 19);
buyukesmeli	0:3a2f06aeceaf	3826	dir[DIR_Attr] = buf[0] \| AM_ARC;
buyukesmeli	0:3a2f06aeceaf	3827	djo.fs->wflag = 1;
buyukesmeli	0:3a2f06aeceaf	3828	if ((dir[DIR_Attr] & AM_DIR) && djo.sclust != djn.sclust) { /* Update .. entry in the sub-directory if needed */
buyukesmeli	0:3a2f06aeceaf	3829	dw = clust2sect(djo.fs, ld_clust(djo.fs, dir));
buyukesmeli	0:3a2f06aeceaf	3830	if (!dw) {
buyukesmeli	0:3a2f06aeceaf	3831	res = FR_INT_ERR;
buyukesmeli	0:3a2f06aeceaf	3832	} else {
buyukesmeli	0:3a2f06aeceaf	3833	res = move_window(djo.fs, dw);
buyukesmeli	0:3a2f06aeceaf	3834	dir = djo.fs->win.d8 + SZ_DIRE * 1; /* Ptr to .. entry */
buyukesmeli	0:3a2f06aeceaf	3835	if (res == FR_OK && dir[1] == '.') {
buyukesmeli	0:3a2f06aeceaf	3836	st_clust(dir, djn.sclust);
buyukesmeli	0:3a2f06aeceaf	3837	djo.fs->wflag = 1;
buyukesmeli	0:3a2f06aeceaf	3838	}
buyukesmeli	0:3a2f06aeceaf	3839	}
buyukesmeli	0:3a2f06aeceaf	3840	}
buyukesmeli	0:3a2f06aeceaf	3841	if (res == FR_OK) {
buyukesmeli	0:3a2f06aeceaf	3842	res = dir_remove(&djo); /* Remove old entry */
buyukesmeli	0:3a2f06aeceaf	3843	if (res == FR_OK)
buyukesmeli	0:3a2f06aeceaf	3844	res = sync_fs(djo.fs);
buyukesmeli	0:3a2f06aeceaf	3845	}
buyukesmeli	0:3a2f06aeceaf	3846	/* End of critical section */
buyukesmeli	0:3a2f06aeceaf	3847	}
buyukesmeli	0:3a2f06aeceaf	3848	}
buyukesmeli	0:3a2f06aeceaf	3849	}
buyukesmeli	0:3a2f06aeceaf	3850	}
buyukesmeli	0:3a2f06aeceaf	3851	FREE_BUF();
buyukesmeli	0:3a2f06aeceaf	3852	}
buyukesmeli	0:3a2f06aeceaf	3853
buyukesmeli	0:3a2f06aeceaf	3854	LEAVE_FF(djo.fs, res);
buyukesmeli	0:3a2f06aeceaf	3855	}
buyukesmeli	0:3a2f06aeceaf	3856
buyukesmeli	0:3a2f06aeceaf	3857
buyukesmeli	0:3a2f06aeceaf	3858
buyukesmeli	0:3a2f06aeceaf	3859
buyukesmeli	0:3a2f06aeceaf	3860	/-----------------------------------------------------------------------/
buyukesmeli	0:3a2f06aeceaf	3861	/* Change Timestamp */
buyukesmeli	0:3a2f06aeceaf	3862	/-----------------------------------------------------------------------/
buyukesmeli	0:3a2f06aeceaf	3863
buyukesmeli	0:3a2f06aeceaf	3864	FRESULT f_utime (
buyukesmeli	0:3a2f06aeceaf	3865	const TCHAR* path, /* Pointer to the file/directory name */
buyukesmeli	0:3a2f06aeceaf	3866	const FILINFO* fno /* Pointer to the time stamp to be set */
buyukesmeli	0:3a2f06aeceaf	3867	)
buyukesmeli	0:3a2f06aeceaf	3868	{
buyukesmeli	0:3a2f06aeceaf	3869	FRESULT res;
buyukesmeli	0:3a2f06aeceaf	3870	DIR_ dj;
buyukesmeli	0:3a2f06aeceaf	3871	BYTE *dir;
buyukesmeli	0:3a2f06aeceaf	3872	DEFINE_NAMEBUF;
buyukesmeli	0:3a2f06aeceaf	3873
buyukesmeli	0:3a2f06aeceaf	3874
buyukesmeli	0:3a2f06aeceaf	3875	/* Get logical drive number */
buyukesmeli	0:3a2f06aeceaf	3876	res = find_volume(&dj.fs, &path, 1);
buyukesmeli	0:3a2f06aeceaf	3877	if (res == FR_OK) {
buyukesmeli	0:3a2f06aeceaf	3878	INIT_BUF(dj);
buyukesmeli	0:3a2f06aeceaf	3879	res = follow_path(&dj, path); /* Follow the file path */
buyukesmeli	0:3a2f06aeceaf	3880	FREE_BUF();
buyukesmeli	0:3a2f06aeceaf	3881	if (_FS_RPATH && res == FR_OK && (dj.fn[NSFLAG] & NS_DOT))
buyukesmeli	0:3a2f06aeceaf	3882	res = FR_INVALID_NAME;
buyukesmeli	0:3a2f06aeceaf	3883	if (res == FR_OK) {
buyukesmeli	0:3a2f06aeceaf	3884	dir = dj.dir;
buyukesmeli	0:3a2f06aeceaf	3885	if (!dir) { /* Root directory */
buyukesmeli	0:3a2f06aeceaf	3886	res = FR_INVALID_NAME;
buyukesmeli	0:3a2f06aeceaf	3887	} else { /* File or sub-directory */
buyukesmeli	0:3a2f06aeceaf	3888	ST_WORD(dir + DIR_WrtTime, fno->ftime);
buyukesmeli	0:3a2f06aeceaf	3889	ST_WORD(dir + DIR_WrtDate, fno->fdate);
buyukesmeli	0:3a2f06aeceaf	3890	dj.fs->wflag = 1;
buyukesmeli	0:3a2f06aeceaf	3891	res = sync_fs(dj.fs);
buyukesmeli	0:3a2f06aeceaf	3892	}
buyukesmeli	0:3a2f06aeceaf	3893	}
buyukesmeli	0:3a2f06aeceaf	3894	}
buyukesmeli	0:3a2f06aeceaf	3895
buyukesmeli	0:3a2f06aeceaf	3896	LEAVE_FF(dj.fs, res);
buyukesmeli	0:3a2f06aeceaf	3897	}
buyukesmeli	0:3a2f06aeceaf	3898
buyukesmeli	0:3a2f06aeceaf	3899	#endif /* !_FS_READONLY */
buyukesmeli	0:3a2f06aeceaf	3900	#endif /* _FS_MINIMIZE == 0 */
buyukesmeli	0:3a2f06aeceaf	3901	#endif /* _FS_MINIMIZE <= 1 */
buyukesmeli	0:3a2f06aeceaf	3902	#endif /* _FS_MINIMIZE <= 2 */
buyukesmeli	0:3a2f06aeceaf	3903
buyukesmeli	0:3a2f06aeceaf	3904
buyukesmeli	0:3a2f06aeceaf	3905
buyukesmeli	0:3a2f06aeceaf	3906
buyukesmeli	0:3a2f06aeceaf	3907	#if _USE_LABEL
buyukesmeli	0:3a2f06aeceaf	3908	/-----------------------------------------------------------------------/
buyukesmeli	0:3a2f06aeceaf	3909	/* Get volume label */
buyukesmeli	0:3a2f06aeceaf	3910	/-----------------------------------------------------------------------/
buyukesmeli	0:3a2f06aeceaf	3911
buyukesmeli	0:3a2f06aeceaf	3912	FRESULT f_getlabel (
buyukesmeli	0:3a2f06aeceaf	3913	const TCHAR* path, /* Path name of the logical drive number */
buyukesmeli	0:3a2f06aeceaf	3914	TCHAR* label, /* Pointer to a buffer to return the volume label */
buyukesmeli	0:3a2f06aeceaf	3915	DWORD* vsn /* Pointer to a variable to return the volume serial number */
buyukesmeli	0:3a2f06aeceaf	3916	)
buyukesmeli	0:3a2f06aeceaf	3917	{
buyukesmeli	0:3a2f06aeceaf	3918	FRESULT res;
buyukesmeli	0:3a2f06aeceaf	3919	DIR dj;
buyukesmeli	0:3a2f06aeceaf	3920	UINT i, j;
buyukesmeli	0:3a2f06aeceaf	3921	#if _USE_LFN && _LFN_UNICODE
buyukesmeli	0:3a2f06aeceaf	3922	WCHAR w;
buyukesmeli	0:3a2f06aeceaf	3923	#endif
buyukesmeli	0:3a2f06aeceaf	3924
buyukesmeli	0:3a2f06aeceaf	3925
buyukesmeli	0:3a2f06aeceaf	3926	/* Get logical drive number */
buyukesmeli	0:3a2f06aeceaf	3927	res = find_volume(&dj.fs, &path, 0);
buyukesmeli	0:3a2f06aeceaf	3928
buyukesmeli	0:3a2f06aeceaf	3929	/* Get volume label */
buyukesmeli	0:3a2f06aeceaf	3930	if (res == FR_OK && label) {
buyukesmeli	0:3a2f06aeceaf	3931	dj.sclust = 0; /* Open root directory */
buyukesmeli	0:3a2f06aeceaf	3932	res = dir_sdi(&dj, 0);
buyukesmeli	0:3a2f06aeceaf	3933	if (res == FR_OK) {
buyukesmeli	0:3a2f06aeceaf	3934	res = dir_read(&dj, 1); /* Get an entry with AM_VOL */
buyukesmeli	0:3a2f06aeceaf	3935	if (res == FR_OK) { /* A volume label is exist */
buyukesmeli	0:3a2f06aeceaf	3936	#if _USE_LFN && _LFN_UNICODE
buyukesmeli	0:3a2f06aeceaf	3937	i = j = 0;
buyukesmeli	0:3a2f06aeceaf	3938	do {
buyukesmeli	0:3a2f06aeceaf	3939	w = (i < 11) ? dj.dir[i++] : ' ';
buyukesmeli	0:3a2f06aeceaf	3940	if (IsDBCS1(w) && i < 11 && IsDBCS2(dj.dir[i]))
buyukesmeli	0:3a2f06aeceaf	3941	w = w << 8 \| dj.dir[i++];
buyukesmeli	0:3a2f06aeceaf	3942	label[j++] = ff_convert(w, 1); /* OEM -> Unicode */
buyukesmeli	0:3a2f06aeceaf	3943	} while (j < 11);
buyukesmeli	0:3a2f06aeceaf	3944	#else
buyukesmeli	0:3a2f06aeceaf	3945	mem_cpy(label, dj.dir, 11);
buyukesmeli	0:3a2f06aeceaf	3946	#endif
buyukesmeli	0:3a2f06aeceaf	3947	j = 11;
buyukesmeli	0:3a2f06aeceaf	3948	do {
buyukesmeli	0:3a2f06aeceaf	3949	label[j] = 0;
buyukesmeli	0:3a2f06aeceaf	3950	if (!j) break;
buyukesmeli	0:3a2f06aeceaf	3951	} while (label[--j] == ' ');
buyukesmeli	0:3a2f06aeceaf	3952	}
buyukesmeli	0:3a2f06aeceaf	3953	if (res == FR_NO_FILE) { /* No label, return nul string */
buyukesmeli	0:3a2f06aeceaf	3954	label[0] = 0;
buyukesmeli	0:3a2f06aeceaf	3955	res = FR_OK;
buyukesmeli	0:3a2f06aeceaf	3956	}
buyukesmeli	0:3a2f06aeceaf	3957	}
buyukesmeli	0:3a2f06aeceaf	3958	}
buyukesmeli	0:3a2f06aeceaf	3959
buyukesmeli	0:3a2f06aeceaf	3960	/* Get volume serial number */
buyukesmeli	0:3a2f06aeceaf	3961	if (res == FR_OK && vsn) {
buyukesmeli	0:3a2f06aeceaf	3962	res = move_window(dj.fs, dj.fs->volbase);
buyukesmeli	0:3a2f06aeceaf	3963	if (res == FR_OK) {
buyukesmeli	0:3a2f06aeceaf	3964	i = dj.fs->fs_type == FS_FAT32 ? BS_VolID32 : BS_VolID;
buyukesmeli	0:3a2f06aeceaf	3965	*vsn = LD_DWORD(&dj.fs->win.d8[i]);
buyukesmeli	0:3a2f06aeceaf	3966	}
buyukesmeli	0:3a2f06aeceaf	3967	}
buyukesmeli	0:3a2f06aeceaf	3968
buyukesmeli	0:3a2f06aeceaf	3969	LEAVE_FF(dj.fs, res);
buyukesmeli	0:3a2f06aeceaf	3970	}
buyukesmeli	0:3a2f06aeceaf	3971
buyukesmeli	0:3a2f06aeceaf	3972
buyukesmeli	0:3a2f06aeceaf	3973
buyukesmeli	0:3a2f06aeceaf	3974	#if !_FS_READONLY
buyukesmeli	0:3a2f06aeceaf	3975	/-----------------------------------------------------------------------/
buyukesmeli	0:3a2f06aeceaf	3976	/* Set volume label */
buyukesmeli	0:3a2f06aeceaf	3977	/-----------------------------------------------------------------------/
buyukesmeli	0:3a2f06aeceaf	3978
buyukesmeli	0:3a2f06aeceaf	3979	FRESULT f_setlabel (
buyukesmeli	0:3a2f06aeceaf	3980	const TCHAR* label /* Pointer to the volume label to set */
buyukesmeli	0:3a2f06aeceaf	3981	)
buyukesmeli	0:3a2f06aeceaf	3982	{
buyukesmeli	0:3a2f06aeceaf	3983	FRESULT res;
buyukesmeli	0:3a2f06aeceaf	3984	DIR dj;
buyukesmeli	0:3a2f06aeceaf	3985	BYTE vn[11];
buyukesmeli	0:3a2f06aeceaf	3986	UINT i, j, sl;
buyukesmeli	0:3a2f06aeceaf	3987	WCHAR w;
buyukesmeli	0:3a2f06aeceaf	3988	DWORD tm;
buyukesmeli	0:3a2f06aeceaf	3989
buyukesmeli	0:3a2f06aeceaf	3990
buyukesmeli	0:3a2f06aeceaf	3991	/* Get logical drive number */
buyukesmeli	0:3a2f06aeceaf	3992	res = find_volume(&dj.fs, &label, 1);
buyukesmeli	0:3a2f06aeceaf	3993	if (res) LEAVE_FF(dj.fs, res);
buyukesmeli	0:3a2f06aeceaf	3994
buyukesmeli	0:3a2f06aeceaf	3995	/* Create a volume label in directory form */
buyukesmeli	0:3a2f06aeceaf	3996	vn[0] = 0;
buyukesmeli	0:3a2f06aeceaf	3997	for (sl = 0; label[sl]; sl++) ; /* Get name length */
buyukesmeli	0:3a2f06aeceaf	3998	for ( ; sl && label[sl - 1] == ' '; sl--) ; /* Remove trailing spaces */
buyukesmeli	0:3a2f06aeceaf	3999	if (sl) { /* Create volume label in directory form */
buyukesmeli	0:3a2f06aeceaf	4000	i = j = 0;
buyukesmeli	0:3a2f06aeceaf	4001	do {
buyukesmeli	0:3a2f06aeceaf	4002	#if _USE_LFN && _LFN_UNICODE
buyukesmeli	0:3a2f06aeceaf	4003	w = ff_convert(ff_wtoupper(label[i++]), 0);
buyukesmeli	0:3a2f06aeceaf	4004	#else
buyukesmeli	0:3a2f06aeceaf	4005	w = (BYTE)label[i++];
buyukesmeli	0:3a2f06aeceaf	4006	if (IsDBCS1(w))
buyukesmeli	0:3a2f06aeceaf	4007	w = (j < 10 && i < sl && IsDBCS2(label[i])) ? w << 8 \| (BYTE)label[i++] : 0;
buyukesmeli	0:3a2f06aeceaf	4008	#if _USE_LFN
buyukesmeli	0:3a2f06aeceaf	4009	w = ff_convert(ff_wtoupper(ff_convert(w, 1)), 0);
buyukesmeli	0:3a2f06aeceaf	4010	#else
buyukesmeli	0:3a2f06aeceaf	4011	if (IsLower(w)) w -= 0x20; /* To upper ASCII characters */
buyukesmeli	0:3a2f06aeceaf	4012	#ifdef _EXCVT
buyukesmeli	0:3a2f06aeceaf	4013	if (w >= 0x80) w = ExCvt[w - 0x80]; /* To upper extended characters (SBCS cfg) */
buyukesmeli	0:3a2f06aeceaf	4014	#else
buyukesmeli	0:3a2f06aeceaf	4015	if (!_DF1S && w >= 0x80) w = 0; /* Reject extended characters (ASCII cfg) */
buyukesmeli	0:3a2f06aeceaf	4016	#endif
buyukesmeli	0:3a2f06aeceaf	4017	#endif
buyukesmeli	0:3a2f06aeceaf	4018	#endif
buyukesmeli	0:3a2f06aeceaf	4019	if (!w \|\| chk_chr("\"+,.:;<=>\?[]\|\x7F", w) \|\| j >= (UINT)((w >= 0x100) ? 10 : 11)) / Reject invalid characters for volume label */
buyukesmeli	0:3a2f06aeceaf	4020	LEAVE_FF(dj.fs, FR_INVALID_NAME);
buyukesmeli	0:3a2f06aeceaf	4021	if (w >= 0x100) vn[j++] = (BYTE)(w >> 8);
buyukesmeli	0:3a2f06aeceaf	4022	vn[j++] = (BYTE)w;
buyukesmeli	0:3a2f06aeceaf	4023	} while (i < sl);
buyukesmeli	0:3a2f06aeceaf	4024	while (j < 11) vn[j++] = ' '; /* Fill remaining name field */
buyukesmeli	0:3a2f06aeceaf	4025	if (vn[0] == DDEM) LEAVE_FF(dj.fs, FR_INVALID_NAME); /* Reject illegal name (heading DDEM) */
buyukesmeli	0:3a2f06aeceaf	4026	}
buyukesmeli	0:3a2f06aeceaf	4027
buyukesmeli	0:3a2f06aeceaf	4028	/* Set volume label */
buyukesmeli	0:3a2f06aeceaf	4029	dj.sclust = 0; /* Open root directory */
buyukesmeli	0:3a2f06aeceaf	4030	res = dir_sdi(&dj, 0);
buyukesmeli	0:3a2f06aeceaf	4031	if (res == FR_OK) {
buyukesmeli	0:3a2f06aeceaf	4032	res = dir_read(&dj, 1); /* Get an entry with AM_VOL */
buyukesmeli	0:3a2f06aeceaf	4033	if (res == FR_OK) { /* A volume label is found */
buyukesmeli	0:3a2f06aeceaf	4034	if (vn[0]) {
buyukesmeli	0:3a2f06aeceaf	4035	mem_cpy(dj.dir, vn, 11); /* Change the volume label name */
buyukesmeli	0:3a2f06aeceaf	4036	tm = GET_FATTIME();
buyukesmeli	0:3a2f06aeceaf	4037	ST_DWORD(dj.dir + DIR_WrtTime, tm);
buyukesmeli	0:3a2f06aeceaf	4038	} else {
buyukesmeli	0:3a2f06aeceaf	4039	dj.dir[0] = DDEM; /* Remove the volume label */
buyukesmeli	0:3a2f06aeceaf	4040	}
buyukesmeli	0:3a2f06aeceaf	4041	dj.fs->wflag = 1;
buyukesmeli	0:3a2f06aeceaf	4042	res = sync_fs(dj.fs);
buyukesmeli	0:3a2f06aeceaf	4043	} else { /* No volume label is found or error */
buyukesmeli	0:3a2f06aeceaf	4044	if (res == FR_NO_FILE) {
buyukesmeli	0:3a2f06aeceaf	4045	res = FR_OK;
buyukesmeli	0:3a2f06aeceaf	4046	if (vn[0]) { /* Create volume label as new */
buyukesmeli	0:3a2f06aeceaf	4047	res = dir_alloc(&dj, 1); /* Allocate an entry for volume label */
buyukesmeli	0:3a2f06aeceaf	4048	if (res == FR_OK) {
buyukesmeli	0:3a2f06aeceaf	4049	mem_set(dj.dir, 0, SZ_DIRE); /* Set volume label */
buyukesmeli	0:3a2f06aeceaf	4050	mem_cpy(dj.dir, vn, 11);
buyukesmeli	0:3a2f06aeceaf	4051	dj.dir[DIR_Attr] = AM_VOL;
buyukesmeli	0:3a2f06aeceaf	4052	tm = GET_FATTIME();
buyukesmeli	0:3a2f06aeceaf	4053	ST_DWORD(dj.dir + DIR_WrtTime, tm);
buyukesmeli	0:3a2f06aeceaf	4054	dj.fs->wflag = 1;
buyukesmeli	0:3a2f06aeceaf	4055	res = sync_fs(dj.fs);
buyukesmeli	0:3a2f06aeceaf	4056	}
buyukesmeli	0:3a2f06aeceaf	4057	}
buyukesmeli	0:3a2f06aeceaf	4058	}
buyukesmeli	0:3a2f06aeceaf	4059	}
buyukesmeli	0:3a2f06aeceaf	4060	}
buyukesmeli	0:3a2f06aeceaf	4061
buyukesmeli	0:3a2f06aeceaf	4062	LEAVE_FF(dj.fs, res);
buyukesmeli	0:3a2f06aeceaf	4063	}
buyukesmeli	0:3a2f06aeceaf	4064
buyukesmeli	0:3a2f06aeceaf	4065	#endif /* !_FS_READONLY */
buyukesmeli	0:3a2f06aeceaf	4066	#endif /* _USE_LABEL */
buyukesmeli	0:3a2f06aeceaf	4067
buyukesmeli	0:3a2f06aeceaf	4068
buyukesmeli	0:3a2f06aeceaf	4069
buyukesmeli	0:3a2f06aeceaf	4070	/-----------------------------------------------------------------------/
buyukesmeli	0:3a2f06aeceaf	4071	/* Forward data to the stream directly (available on only tiny cfg) */
buyukesmeli	0:3a2f06aeceaf	4072	/-----------------------------------------------------------------------/
buyukesmeli	0:3a2f06aeceaf	4073	#if _USE_FORWARD && _FS_TINY
buyukesmeli	0:3a2f06aeceaf	4074
buyukesmeli	0:3a2f06aeceaf	4075	FRESULT f_forward (
buyukesmeli	0:3a2f06aeceaf	4076	FIL* fp, /* Pointer to the file object */
buyukesmeli	0:3a2f06aeceaf	4077	UINT (func)(const BYTE,UINT), /* Pointer to the streaming function */
buyukesmeli	0:3a2f06aeceaf	4078	UINT btf, /* Number of bytes to forward */
buyukesmeli	0:3a2f06aeceaf	4079	UINT* bf /* Pointer to number of bytes forwarded */
buyukesmeli	0:3a2f06aeceaf	4080	)
buyukesmeli	0:3a2f06aeceaf	4081	{
buyukesmeli	0:3a2f06aeceaf	4082	FRESULT res;
buyukesmeli	0:3a2f06aeceaf	4083	DWORD remain, clst, sect;
buyukesmeli	0:3a2f06aeceaf	4084	UINT rcnt;
buyukesmeli	0:3a2f06aeceaf	4085	BYTE csect;
buyukesmeli	0:3a2f06aeceaf	4086
buyukesmeli	0:3a2f06aeceaf	4087
buyukesmeli	0:3a2f06aeceaf	4088	bf = 0; / Clear transfer byte counter */
buyukesmeli	0:3a2f06aeceaf	4089
buyukesmeli	0:3a2f06aeceaf	4090	res = validate(fp); /* Check validity of the object */
buyukesmeli	0:3a2f06aeceaf	4091	if (res != FR_OK) LEAVE_FF(fp->fs, res);
buyukesmeli	0:3a2f06aeceaf	4092	if (fp->err) /* Check error */
buyukesmeli	0:3a2f06aeceaf	4093	LEAVE_FF(fp->fs, (FRESULT)fp->err);
buyukesmeli	0:3a2f06aeceaf	4094	if (!(fp->flag & FA_READ)) /* Check access mode */
buyukesmeli	0:3a2f06aeceaf	4095	LEAVE_FF(fp->fs, FR_DENIED);
buyukesmeli	0:3a2f06aeceaf	4096
buyukesmeli	0:3a2f06aeceaf	4097	remain = fp->fsize - fp->fptr;
buyukesmeli	0:3a2f06aeceaf	4098	if (btf > remain) btf = (UINT)remain; /* Truncate btf by remaining bytes */
buyukesmeli	0:3a2f06aeceaf	4099
buyukesmeli	0:3a2f06aeceaf	4100	for ( ; btf && (func)(0, 0); / Repeat until all data transferred or stream becomes busy */
buyukesmeli	0:3a2f06aeceaf	4101	fp->fptr += rcnt, *bf += rcnt, btf -= rcnt) {
buyukesmeli	0:3a2f06aeceaf	4102	csect = (BYTE)(fp->fptr / SS(fp->fs) & (fp->fs->csize - 1)); /* Sector offset in the cluster */
buyukesmeli	0:3a2f06aeceaf	4103	if ((fp->fptr % SS(fp->fs)) == 0) { /* On the sector boundary? */
buyukesmeli	0:3a2f06aeceaf	4104	if (!csect) { /* On the cluster boundary? */
buyukesmeli	0:3a2f06aeceaf	4105	clst = (fp->fptr == 0) ? /* On the top of the file? */
buyukesmeli	0:3a2f06aeceaf	4106	fp->sclust : get_fat(fp->fs, fp->clust);
buyukesmeli	0:3a2f06aeceaf	4107	if (clst <= 1) ABORT(fp->fs, FR_INT_ERR);
buyukesmeli	0:3a2f06aeceaf	4108	if (clst == 0xFFFFFFFF) ABORT(fp->fs, FR_DISK_ERR);
buyukesmeli	0:3a2f06aeceaf	4109	fp->clust = clst; /* Update current cluster */
buyukesmeli	0:3a2f06aeceaf	4110	}
buyukesmeli	0:3a2f06aeceaf	4111	}
buyukesmeli	0:3a2f06aeceaf	4112	sect = clust2sect(fp->fs, fp->clust); /* Get current data sector */
buyukesmeli	0:3a2f06aeceaf	4113	if (!sect) ABORT(fp->fs, FR_INT_ERR);
buyukesmeli	0:3a2f06aeceaf	4114	sect += csect;
buyukesmeli	0:3a2f06aeceaf	4115	if (move_window(fp->fs, sect) != FR_OK) /* Move sector window */
buyukesmeli	0:3a2f06aeceaf	4116	ABORT(fp->fs, FR_DISK_ERR);
buyukesmeli	0:3a2f06aeceaf	4117	fp->dsect = sect;
buyukesmeli	0:3a2f06aeceaf	4118	rcnt = SS(fp->fs) - (WORD)(fp->fptr % SS(fp->fs)); /* Forward data from sector window */
buyukesmeli	0:3a2f06aeceaf	4119	if (rcnt > btf) rcnt = btf;
buyukesmeli	0:3a2f06aeceaf	4120	rcnt = (*func)(&fp->fs->win.d8[(WORD)fp->fptr % SS(fp->fs)], rcnt);
buyukesmeli	0:3a2f06aeceaf	4121	if (!rcnt) ABORT(fp->fs, FR_INT_ERR);
buyukesmeli	0:3a2f06aeceaf	4122	}
buyukesmeli	0:3a2f06aeceaf	4123
buyukesmeli	0:3a2f06aeceaf	4124	LEAVE_FF(fp->fs, FR_OK);
buyukesmeli	0:3a2f06aeceaf	4125	}
buyukesmeli	0:3a2f06aeceaf	4126	#endif /* _USE_FORWARD */
buyukesmeli	0:3a2f06aeceaf	4127
buyukesmeli	0:3a2f06aeceaf	4128
buyukesmeli	0:3a2f06aeceaf	4129
buyukesmeli	0:3a2f06aeceaf	4130	#if _USE_MKFS && !_FS_READONLY
buyukesmeli	0:3a2f06aeceaf	4131	/-----------------------------------------------------------------------/
buyukesmeli	0:3a2f06aeceaf	4132	/* Create file system on the logical drive */
buyukesmeli	0:3a2f06aeceaf	4133	/-----------------------------------------------------------------------/
buyukesmeli	0:3a2f06aeceaf	4134	#define N_ROOTDIR 512 /* Number of root directory entries for FAT12/16 */
buyukesmeli	0:3a2f06aeceaf	4135	#define N_FATS 1 /* Number of FATs (1 or 2) */
buyukesmeli	0:3a2f06aeceaf	4136
buyukesmeli	0:3a2f06aeceaf	4137
buyukesmeli	0:3a2f06aeceaf	4138	FRESULT f_mkfs (
buyukesmeli	0:3a2f06aeceaf	4139	const TCHAR* path, /* Logical drive number */
buyukesmeli	0:3a2f06aeceaf	4140	BYTE sfd, /* Partitioning rule 0:FDISK, 1:SFD */
buyukesmeli	0:3a2f06aeceaf	4141	UINT au /* Size of allocation unit in unit of byte or sector */
buyukesmeli	0:3a2f06aeceaf	4142	)
buyukesmeli	0:3a2f06aeceaf	4143	{
buyukesmeli	0:3a2f06aeceaf	4144	static const WORD vst[] = { 1024, 512, 256, 128, 64, 32, 16, 8, 4, 2, 0};
buyukesmeli	0:3a2f06aeceaf	4145	static const WORD cst[] = {32768, 16384, 8192, 4096, 2048, 16384, 8192, 4096, 2048, 1024, 512};
buyukesmeli	0:3a2f06aeceaf	4146	int vol;
buyukesmeli	0:3a2f06aeceaf	4147	BYTE fmt, md, sys, *tbl, pdrv, part;
buyukesmeli	0:3a2f06aeceaf	4148	DWORD n_clst, vs, n, wsect;
buyukesmeli	0:3a2f06aeceaf	4149	UINT i;
buyukesmeli	0:3a2f06aeceaf	4150	DWORD b_vol, b_fat, b_dir, b_data; /* LBA */
buyukesmeli	0:3a2f06aeceaf	4151	DWORD n_vol, n_rsv, n_fat, n_dir; /* Size */
buyukesmeli	0:3a2f06aeceaf	4152	FATFS *fs;
buyukesmeli	0:3a2f06aeceaf	4153	DSTATUS stat;
buyukesmeli	0:3a2f06aeceaf	4154	#if _USE_TRIM
buyukesmeli	0:3a2f06aeceaf	4155	DWORD eb[2];
buyukesmeli	0:3a2f06aeceaf	4156	#endif
buyukesmeli	0:3a2f06aeceaf	4157
buyukesmeli	0:3a2f06aeceaf	4158
buyukesmeli	0:3a2f06aeceaf	4159	/* Check mounted drive and clear work area */
buyukesmeli	0:3a2f06aeceaf	4160	if (sfd > 1) return FR_INVALID_PARAMETER;
buyukesmeli	0:3a2f06aeceaf	4161	vol = get_ldnumber(&path);
buyukesmeli	0:3a2f06aeceaf	4162	if (vol < 0) return FR_INVALID_DRIVE;
buyukesmeli	0:3a2f06aeceaf	4163	fs = FatFs[vol];
buyukesmeli	0:3a2f06aeceaf	4164	if (!fs) return FR_NOT_ENABLED;
buyukesmeli	0:3a2f06aeceaf	4165	fs->fs_type = 0;
buyukesmeli	0:3a2f06aeceaf	4166	pdrv = LD2PD(vol); /* Physical drive */
buyukesmeli	0:3a2f06aeceaf	4167	part = LD2PT(vol); /* Partition (0:auto detect, 1-4:get from partition table)*/
buyukesmeli	0:3a2f06aeceaf	4168
buyukesmeli	0:3a2f06aeceaf	4169	/* Get disk statics */
buyukesmeli	0:3a2f06aeceaf	4170	stat = disk_initialize(pdrv);
buyukesmeli	0:3a2f06aeceaf	4171	if (stat & STA_NOINIT) return FR_NOT_READY;
buyukesmeli	0:3a2f06aeceaf	4172	if (stat & STA_PROTECT) return FR_WRITE_PROTECTED;
buyukesmeli	0:3a2f06aeceaf	4173	#if _MAX_SS != _MIN_SS /* Get disk sector size */
buyukesmeli	0:3a2f06aeceaf	4174	if (disk_ioctl(pdrv, GET_SECTOR_SIZE, &SS(fs)) != RES_OK \|\| SS(fs) > _MAX_SS \|\| SS(fs) < _MIN_SS)
buyukesmeli	0:3a2f06aeceaf	4175	return FR_DISK_ERR;
buyukesmeli	0:3a2f06aeceaf	4176	#endif
buyukesmeli	0:3a2f06aeceaf	4177	if (_MULTI_PARTITION && part) {
buyukesmeli	0:3a2f06aeceaf	4178	/* Get partition information from partition table in the MBR */
buyukesmeli	0:3a2f06aeceaf	4179	if (disk_read(pdrv, fs->win.d8, 0, 1) != RES_OK) return FR_DISK_ERR;
buyukesmeli	0:3a2f06aeceaf	4180	if (LD_WORD(fs->win.d8 + BS_55AA) != 0xAA55) return FR_MKFS_ABORTED;
buyukesmeli	0:3a2f06aeceaf	4181	tbl = &fs->win.d8[MBR_Table + (part - 1) * SZ_PTE];
buyukesmeli	0:3a2f06aeceaf	4182	if (!tbl[4]) return FR_MKFS_ABORTED; /* No partition? */
buyukesmeli	0:3a2f06aeceaf	4183	b_vol = LD_DWORD(tbl + 8); /* Volume start sector */
buyukesmeli	0:3a2f06aeceaf	4184	n_vol = LD_DWORD(tbl + 12); /* Volume size */
buyukesmeli	0:3a2f06aeceaf	4185	} else {
buyukesmeli	0:3a2f06aeceaf	4186	/* Create a partition in this function */
buyukesmeli	0:3a2f06aeceaf	4187	if (disk_ioctl(pdrv, GET_SECTOR_COUNT, &n_vol) != RES_OK \|\| n_vol < 128)
buyukesmeli	0:3a2f06aeceaf	4188	return FR_DISK_ERR;
buyukesmeli	0:3a2f06aeceaf	4189	b_vol = (sfd) ? 0 : 63; /* Volume start sector */
buyukesmeli	0:3a2f06aeceaf	4190	n_vol -= b_vol; /* Volume size */
buyukesmeli	0:3a2f06aeceaf	4191	}
buyukesmeli	0:3a2f06aeceaf	4192
buyukesmeli	0:3a2f06aeceaf	4193	if (au & (au - 1)) au = 0;
buyukesmeli	0:3a2f06aeceaf	4194	if (!au) { /* AU auto selection */
buyukesmeli	0:3a2f06aeceaf	4195	vs = n_vol / (2000 / (SS(fs) / 512));
buyukesmeli	0:3a2f06aeceaf	4196	for (i = 0; vs < vst[i]; i++) ;
buyukesmeli	0:3a2f06aeceaf	4197	au = cst[i];
buyukesmeli	0:3a2f06aeceaf	4198	}
buyukesmeli	0:3a2f06aeceaf	4199	if (au >= _MIN_SS) au /= SS(fs); /* Number of sectors per cluster */
buyukesmeli	0:3a2f06aeceaf	4200	if (!au) au = 1;
buyukesmeli	0:3a2f06aeceaf	4201	if (au > 128) au = 128;
buyukesmeli	0:3a2f06aeceaf	4202
buyukesmeli	0:3a2f06aeceaf	4203	/* Pre-compute number of clusters and FAT sub-type */
buyukesmeli	0:3a2f06aeceaf	4204	n_clst = n_vol / au;
buyukesmeli	0:3a2f06aeceaf	4205	fmt = FS_FAT12;
buyukesmeli	0:3a2f06aeceaf	4206	if (n_clst >= MIN_FAT16) fmt = FS_FAT16;
buyukesmeli	0:3a2f06aeceaf	4207	if (n_clst >= MIN_FAT32) fmt = FS_FAT32;
buyukesmeli	0:3a2f06aeceaf	4208
buyukesmeli	0:3a2f06aeceaf	4209	/* Determine offset and size of FAT structure */
buyukesmeli	0:3a2f06aeceaf	4210	if (fmt == FS_FAT32) {
buyukesmeli	0:3a2f06aeceaf	4211	n_fat = ((n_clst * 4) + 8 + SS(fs) - 1) / SS(fs);
buyukesmeli	0:3a2f06aeceaf	4212	n_rsv = 32;
buyukesmeli	0:3a2f06aeceaf	4213	n_dir = 0;
buyukesmeli	0:3a2f06aeceaf	4214	} else {
buyukesmeli	0:3a2f06aeceaf	4215	n_fat = (fmt == FS_FAT12) ? (n_clst * 3 + 1) / 2 + 3 : (n_clst * 2) + 4;
buyukesmeli	0:3a2f06aeceaf	4216	n_fat = (n_fat + SS(fs) - 1) / SS(fs);
buyukesmeli	0:3a2f06aeceaf	4217	n_rsv = 1;
buyukesmeli	0:3a2f06aeceaf	4218	n_dir = (DWORD)N_ROOTDIR * SZ_DIRE / SS(fs);
buyukesmeli	0:3a2f06aeceaf	4219	}
buyukesmeli	0:3a2f06aeceaf	4220	b_fat = b_vol + n_rsv; /* FAT area start sector */
buyukesmeli	0:3a2f06aeceaf	4221	b_dir = b_fat + n_fat * N_FATS; /* Directory area start sector */
buyukesmeli	0:3a2f06aeceaf	4222	b_data = b_dir + n_dir; /* Data area start sector */
buyukesmeli	0:3a2f06aeceaf	4223	if (n_vol < b_data + au - b_vol) return FR_MKFS_ABORTED; /* Too small volume */
buyukesmeli	0:3a2f06aeceaf	4224
buyukesmeli	0:3a2f06aeceaf	4225	/* Align data start sector to erase block boundary (for flash memory media) */
buyukesmeli	0:3a2f06aeceaf	4226	if (disk_ioctl(pdrv, GET_BLOCK_SIZE, &n) != RES_OK \|\| !n \|\| n > 32768) n = 1;
buyukesmeli	0:3a2f06aeceaf	4227	n = (b_data + n - 1) & ~(n - 1); /* Next nearest erase block from current data start */
buyukesmeli	0:3a2f06aeceaf	4228	n = (n - b_data) / N_FATS;
buyukesmeli	0:3a2f06aeceaf	4229	if (fmt == FS_FAT32) { /* FAT32: Move FAT offset */
buyukesmeli	0:3a2f06aeceaf	4230	n_rsv += n;
buyukesmeli	0:3a2f06aeceaf	4231	b_fat += n;
buyukesmeli	0:3a2f06aeceaf	4232	} else { /* FAT12/16: Expand FAT size */
buyukesmeli	0:3a2f06aeceaf	4233	n_fat += n;
buyukesmeli	0:3a2f06aeceaf	4234	}
buyukesmeli	0:3a2f06aeceaf	4235
buyukesmeli	0:3a2f06aeceaf	4236	/* Determine number of clusters and final check of validity of the FAT sub-type */
buyukesmeli	0:3a2f06aeceaf	4237	n_clst = (n_vol - n_rsv - n_fat * N_FATS - n_dir) / au;
buyukesmeli	0:3a2f06aeceaf	4238	if ( (fmt == FS_FAT16 && n_clst < MIN_FAT16)
buyukesmeli	0:3a2f06aeceaf	4239	\|\| (fmt == FS_FAT32 && n_clst < MIN_FAT32))
buyukesmeli	0:3a2f06aeceaf	4240	return FR_MKFS_ABORTED;
buyukesmeli	0:3a2f06aeceaf	4241
buyukesmeli	0:3a2f06aeceaf	4242	/* Determine system ID in the partition table */
buyukesmeli	0:3a2f06aeceaf	4243	if (fmt == FS_FAT32) {
buyukesmeli	0:3a2f06aeceaf	4244	sys = 0x0C; /* FAT32X */
buyukesmeli	0:3a2f06aeceaf	4245	} else {
buyukesmeli	0:3a2f06aeceaf	4246	if (fmt == FS_FAT12 && n_vol < 0x10000) {
buyukesmeli	0:3a2f06aeceaf	4247	sys = 0x01; /* FAT12(<65536) */
buyukesmeli	0:3a2f06aeceaf	4248	} else {
buyukesmeli	0:3a2f06aeceaf	4249	sys = (n_vol < 0x10000) ? 0x04 : 0x06; /* FAT16(<65536) : FAT12/16(>=65536) */
buyukesmeli	0:3a2f06aeceaf	4250	}
buyukesmeli	0:3a2f06aeceaf	4251	}
buyukesmeli	0:3a2f06aeceaf	4252
buyukesmeli	0:3a2f06aeceaf	4253	if (_MULTI_PARTITION && part) {
buyukesmeli	0:3a2f06aeceaf	4254	/* Update system ID in the partition table */
buyukesmeli	0:3a2f06aeceaf	4255	tbl = &fs->win.d8[MBR_Table + (part - 1) * SZ_PTE];
buyukesmeli	0:3a2f06aeceaf	4256	tbl[4] = sys;
buyukesmeli	0:3a2f06aeceaf	4257	if (disk_write(pdrv, fs->win.d8, 0, 1) != RES_OK) /* Write it to teh MBR */
buyukesmeli	0:3a2f06aeceaf	4258	return FR_DISK_ERR;
buyukesmeli	0:3a2f06aeceaf	4259	md = 0xF8;
buyukesmeli	0:3a2f06aeceaf	4260	} else {
buyukesmeli	0:3a2f06aeceaf	4261	if (sfd) { /* No partition table (SFD) */
buyukesmeli	0:3a2f06aeceaf	4262	md = 0xF0;
buyukesmeli	0:3a2f06aeceaf	4263	} else { /* Create partition table (FDISK) */
buyukesmeli	0:3a2f06aeceaf	4264	mem_set(fs->win.d8, 0, SS(fs));
buyukesmeli	0:3a2f06aeceaf	4265	tbl = fs->win.d8 + MBR_Table; /* Create partition table for single partition in the drive */
buyukesmeli	0:3a2f06aeceaf	4266	tbl[1] = 1; /* Partition start head */
buyukesmeli	0:3a2f06aeceaf	4267	tbl[2] = 1; /* Partition start sector */
buyukesmeli	0:3a2f06aeceaf	4268	tbl[3] = 0; /* Partition start cylinder */
buyukesmeli	0:3a2f06aeceaf	4269	tbl[4] = sys; /* System type */
buyukesmeli	0:3a2f06aeceaf	4270	tbl[5] = 254; /* Partition end head */
buyukesmeli	0:3a2f06aeceaf	4271	n = (b_vol + n_vol) / 63 / 255;
buyukesmeli	0:3a2f06aeceaf	4272	tbl[6] = (BYTE)(n >> 2 \| 63); /* Partition end sector */
buyukesmeli	0:3a2f06aeceaf	4273	tbl[7] = (BYTE)n; /* End cylinder */
buyukesmeli	0:3a2f06aeceaf	4274	ST_DWORD(tbl + 8, 63); /* Partition start in LBA */
buyukesmeli	0:3a2f06aeceaf	4275	ST_DWORD(tbl + 12, n_vol); /* Partition size in LBA */
buyukesmeli	0:3a2f06aeceaf	4276	ST_WORD(fs->win.d8 + BS_55AA, 0xAA55); /* MBR signature */
buyukesmeli	0:3a2f06aeceaf	4277	if (disk_write(pdrv, fs->win.d8, 0, 1) != RES_OK) /* Write it to the MBR */
buyukesmeli	0:3a2f06aeceaf	4278	return FR_DISK_ERR;
buyukesmeli	0:3a2f06aeceaf	4279	md = 0xF8;
buyukesmeli	0:3a2f06aeceaf	4280	}
buyukesmeli	0:3a2f06aeceaf	4281	}
buyukesmeli	0:3a2f06aeceaf	4282
buyukesmeli	0:3a2f06aeceaf	4283	/* Create BPB in the VBR */
buyukesmeli	0:3a2f06aeceaf	4284	tbl = fs->win.d8; /* Clear sector */
buyukesmeli	0:3a2f06aeceaf	4285	mem_set(tbl, 0, SS(fs));
buyukesmeli	0:3a2f06aeceaf	4286	mem_cpy(tbl, "\xEB\xFE\x90" "MSDOS5.0", 11);/* Boot jump code, OEM name */
buyukesmeli	0:3a2f06aeceaf	4287	i = SS(fs); /* Sector size */
buyukesmeli	0:3a2f06aeceaf	4288	ST_WORD(tbl + BPB_BytsPerSec, i);
buyukesmeli	0:3a2f06aeceaf	4289	tbl[BPB_SecPerClus] = (BYTE)au; /* Sectors per cluster */
buyukesmeli	0:3a2f06aeceaf	4290	ST_WORD(tbl + BPB_RsvdSecCnt, n_rsv); /* Reserved sectors */
buyukesmeli	0:3a2f06aeceaf	4291	tbl[BPB_NumFATs] = N_FATS; /* Number of FATs */
buyukesmeli	0:3a2f06aeceaf	4292	i = (fmt == FS_FAT32) ? 0 : N_ROOTDIR; /* Number of root directory entries */
buyukesmeli	0:3a2f06aeceaf	4293	ST_WORD(tbl + BPB_RootEntCnt, i);
buyukesmeli	0:3a2f06aeceaf	4294	if (n_vol < 0x10000) { /* Number of total sectors */
buyukesmeli	0:3a2f06aeceaf	4295	ST_WORD(tbl + BPB_TotSec16, n_vol);
buyukesmeli	0:3a2f06aeceaf	4296	} else {
buyukesmeli	0:3a2f06aeceaf	4297	ST_DWORD(tbl + BPB_TotSec32, n_vol);
buyukesmeli	0:3a2f06aeceaf	4298	}
buyukesmeli	0:3a2f06aeceaf	4299	tbl[BPB_Media] = md; /* Media descriptor */
buyukesmeli	0:3a2f06aeceaf	4300	ST_WORD(tbl + BPB_SecPerTrk, 63); /* Number of sectors per track */
buyukesmeli	0:3a2f06aeceaf	4301	ST_WORD(tbl + BPB_NumHeads, 255); /* Number of heads */
buyukesmeli	0:3a2f06aeceaf	4302	ST_DWORD(tbl + BPB_HiddSec, b_vol); /* Hidden sectors */
buyukesmeli	0:3a2f06aeceaf	4303	n = GET_FATTIME(); /* Use current time as VSN */
buyukesmeli	0:3a2f06aeceaf	4304	if (fmt == FS_FAT32) {
buyukesmeli	0:3a2f06aeceaf	4305	ST_DWORD(tbl + BS_VolID32, n); /* VSN */
buyukesmeli	0:3a2f06aeceaf	4306	ST_DWORD(tbl + BPB_FATSz32, n_fat); /* Number of sectors per FAT */
buyukesmeli	0:3a2f06aeceaf	4307	ST_DWORD(tbl + BPB_RootClus, 2); /* Root directory start cluster (2) */
buyukesmeli	0:3a2f06aeceaf	4308	ST_WORD(tbl + BPB_FSInfo, 1); /* FSINFO record offset (VBR + 1) */
buyukesmeli	0:3a2f06aeceaf	4309	ST_WORD(tbl + BPB_BkBootSec, 6); /* Backup boot record offset (VBR + 6) */
buyukesmeli	0:3a2f06aeceaf	4310	tbl[BS_DrvNum32] = 0x80; /* Drive number */
buyukesmeli	0:3a2f06aeceaf	4311	tbl[BS_BootSig32] = 0x29; /* Extended boot signature */
buyukesmeli	0:3a2f06aeceaf	4312	mem_cpy(tbl + BS_VolLab32, "NO NAME " "FAT32 ", 19); /* Volume label, FAT signature */
buyukesmeli	0:3a2f06aeceaf	4313	} else {
buyukesmeli	0:3a2f06aeceaf	4314	ST_DWORD(tbl + BS_VolID, n); /* VSN */
buyukesmeli	0:3a2f06aeceaf	4315	ST_WORD(tbl + BPB_FATSz16, n_fat); /* Number of sectors per FAT */
buyukesmeli	0:3a2f06aeceaf	4316	tbl[BS_DrvNum] = 0x80; /* Drive number */
buyukesmeli	0:3a2f06aeceaf	4317	tbl[BS_BootSig] = 0x29; /* Extended boot signature */
buyukesmeli	0:3a2f06aeceaf	4318	mem_cpy(tbl + BS_VolLab, "NO NAME " "FAT ", 19); /* Volume label, FAT signature */
buyukesmeli	0:3a2f06aeceaf	4319	}
buyukesmeli	0:3a2f06aeceaf	4320	ST_WORD(tbl + BS_55AA, 0xAA55); /* Signature (Offset is fixed here regardless of sector size) */
buyukesmeli	0:3a2f06aeceaf	4321	if (disk_write(pdrv, tbl, b_vol, 1) != RES_OK) /* Write it to the VBR sector */
buyukesmeli	0:3a2f06aeceaf	4322	return FR_DISK_ERR;
buyukesmeli	0:3a2f06aeceaf	4323	if (fmt == FS_FAT32) /* Write backup VBR if needed (VBR + 6) */
buyukesmeli	0:3a2f06aeceaf	4324	disk_write(pdrv, tbl, b_vol + 6, 1);
buyukesmeli	0:3a2f06aeceaf	4325
buyukesmeli	0:3a2f06aeceaf	4326	/* Initialize FAT area */
buyukesmeli	0:3a2f06aeceaf	4327	wsect = b_fat;
buyukesmeli	0:3a2f06aeceaf	4328	for (i = 0; i < N_FATS; i++) { /* Initialize each FAT copy */
buyukesmeli	0:3a2f06aeceaf	4329	mem_set(tbl, 0, SS(fs)); /* 1st sector of the FAT */
buyukesmeli	0:3a2f06aeceaf	4330	n = md; /* Media descriptor byte */
buyukesmeli	0:3a2f06aeceaf	4331	if (fmt != FS_FAT32) {
buyukesmeli	0:3a2f06aeceaf	4332	n \|= (fmt == FS_FAT12) ? 0x00FFFF00 : 0xFFFFFF00;
buyukesmeli	0:3a2f06aeceaf	4333	ST_DWORD(tbl + 0, n); /* Reserve cluster #0-1 (FAT12/16) */
buyukesmeli	0:3a2f06aeceaf	4334	} else {
buyukesmeli	0:3a2f06aeceaf	4335	n \|= 0xFFFFFF00;
buyukesmeli	0:3a2f06aeceaf	4336	ST_DWORD(tbl + 0, n); /* Reserve cluster #0-1 (FAT32) */
buyukesmeli	0:3a2f06aeceaf	4337	ST_DWORD(tbl + 4, 0xFFFFFFFF);
buyukesmeli	0:3a2f06aeceaf	4338	ST_DWORD(tbl + 8, 0x0FFFFFFF); /* Reserve cluster #2 for root directory */
buyukesmeli	0:3a2f06aeceaf	4339	}
buyukesmeli	0:3a2f06aeceaf	4340	if (disk_write(pdrv, tbl, wsect++, 1) != RES_OK)
buyukesmeli	0:3a2f06aeceaf	4341	return FR_DISK_ERR;
buyukesmeli	0:3a2f06aeceaf	4342	mem_set(tbl, 0, SS(fs)); /* Fill following FAT entries with zero */
buyukesmeli	0:3a2f06aeceaf	4343	for (n = 1; n < n_fat; n++) { /* This loop may take a time on FAT32 volume due to many single sector writes */
buyukesmeli	0:3a2f06aeceaf	4344	if (disk_write(pdrv, tbl, wsect++, 1) != RES_OK)
buyukesmeli	0:3a2f06aeceaf	4345	return FR_DISK_ERR;
buyukesmeli	0:3a2f06aeceaf	4346	}
buyukesmeli	0:3a2f06aeceaf	4347	}
buyukesmeli	0:3a2f06aeceaf	4348
buyukesmeli	0:3a2f06aeceaf	4349	/* Initialize root directory */
buyukesmeli	0:3a2f06aeceaf	4350	i = (fmt == FS_FAT32) ? au : (UINT)n_dir;
buyukesmeli	0:3a2f06aeceaf	4351	do {
buyukesmeli	0:3a2f06aeceaf	4352	if (disk_write(pdrv, tbl, wsect++, 1) != RES_OK)
buyukesmeli	0:3a2f06aeceaf	4353	return FR_DISK_ERR;
buyukesmeli	0:3a2f06aeceaf	4354	} while (--i);
buyukesmeli	0:3a2f06aeceaf	4355
buyukesmeli	0:3a2f06aeceaf	4356	#if _USE_TRIM /* Erase data area if needed */
buyukesmeli	0:3a2f06aeceaf	4357	{
buyukesmeli	0:3a2f06aeceaf	4358	eb[0] = wsect; eb[1] = wsect + (n_clst - ((fmt == FS_FAT32) ? 1 : 0)) * au - 1;
buyukesmeli	0:3a2f06aeceaf	4359	disk_ioctl(pdrv, CTRL_TRIM, eb);
buyukesmeli	0:3a2f06aeceaf	4360	}
buyukesmeli	0:3a2f06aeceaf	4361	#endif
buyukesmeli	0:3a2f06aeceaf	4362
buyukesmeli	0:3a2f06aeceaf	4363	/* Create FSINFO if needed */
buyukesmeli	0:3a2f06aeceaf	4364	if (fmt == FS_FAT32) {
buyukesmeli	0:3a2f06aeceaf	4365	ST_DWORD(tbl + FSI_LeadSig, 0x41615252);
buyukesmeli	0:3a2f06aeceaf	4366	ST_DWORD(tbl + FSI_StrucSig, 0x61417272);
buyukesmeli	0:3a2f06aeceaf	4367	ST_DWORD(tbl + FSI_Free_Count, n_clst - 1); /* Number of free clusters */
buyukesmeli	0:3a2f06aeceaf	4368	ST_DWORD(tbl + FSI_Nxt_Free, 2); /* Last allocated cluster# */
buyukesmeli	0:3a2f06aeceaf	4369	ST_WORD(tbl + BS_55AA, 0xAA55);
buyukesmeli	0:3a2f06aeceaf	4370	disk_write(pdrv, tbl, b_vol + 1, 1); /* Write original (VBR + 1) */
buyukesmeli	0:3a2f06aeceaf	4371	disk_write(pdrv, tbl, b_vol + 7, 1); /* Write backup (VBR + 7) */
buyukesmeli	0:3a2f06aeceaf	4372	}
buyukesmeli	0:3a2f06aeceaf	4373
buyukesmeli	0:3a2f06aeceaf	4374	return (disk_ioctl(pdrv, CTRL_SYNC, 0) == RES_OK) ? FR_OK : FR_DISK_ERR;
buyukesmeli	0:3a2f06aeceaf	4375	}
buyukesmeli	0:3a2f06aeceaf	4376
buyukesmeli	0:3a2f06aeceaf	4377
buyukesmeli	0:3a2f06aeceaf	4378
buyukesmeli	0:3a2f06aeceaf	4379	#if _MULTI_PARTITION
buyukesmeli	0:3a2f06aeceaf	4380	/-----------------------------------------------------------------------/
buyukesmeli	0:3a2f06aeceaf	4381	/* Create partition table on the physical drive */
buyukesmeli	0:3a2f06aeceaf	4382	/-----------------------------------------------------------------------/
buyukesmeli	0:3a2f06aeceaf	4383
buyukesmeli	0:3a2f06aeceaf	4384	FRESULT f_fdisk (
buyukesmeli	0:3a2f06aeceaf	4385	BYTE pdrv, /* Physical drive number */
buyukesmeli	0:3a2f06aeceaf	4386	const DWORD szt[], /* Pointer to the size table for each partitions */
buyukesmeli	0:3a2f06aeceaf	4387	void* work /* Pointer to the working buffer */
buyukesmeli	0:3a2f06aeceaf	4388	)
buyukesmeli	0:3a2f06aeceaf	4389	{
buyukesmeli	0:3a2f06aeceaf	4390	UINT i, n, sz_cyl, tot_cyl, b_cyl, e_cyl, p_cyl;
buyukesmeli	0:3a2f06aeceaf	4391	BYTE s_hd, e_hd, p, buf = (BYTE*)work;
buyukesmeli	0:3a2f06aeceaf	4392	DSTATUS stat;
buyukesmeli	0:3a2f06aeceaf	4393	DWORD sz_disk, sz_part, s_part;
buyukesmeli	0:3a2f06aeceaf	4394
buyukesmeli	0:3a2f06aeceaf	4395
buyukesmeli	0:3a2f06aeceaf	4396	stat = disk_initialize(pdrv);
buyukesmeli	0:3a2f06aeceaf	4397	if (stat & STA_NOINIT) return FR_NOT_READY;
buyukesmeli	0:3a2f06aeceaf	4398	if (stat & STA_PROTECT) return FR_WRITE_PROTECTED;
buyukesmeli	0:3a2f06aeceaf	4399	if (disk_ioctl(pdrv, GET_SECTOR_COUNT, &sz_disk)) return FR_DISK_ERR;
buyukesmeli	0:3a2f06aeceaf	4400
buyukesmeli	0:3a2f06aeceaf	4401	/* Determine CHS in the table regardless of the drive geometry */
buyukesmeli	0:3a2f06aeceaf	4402	for (n = 16; n < 256 && sz_disk / n / 63 > 1024; n *= 2) ;
buyukesmeli	0:3a2f06aeceaf	4403	if (n == 256) n--;
buyukesmeli	0:3a2f06aeceaf	4404	e_hd = n - 1;
buyukesmeli	0:3a2f06aeceaf	4405	sz_cyl = 63 * n;
buyukesmeli	0:3a2f06aeceaf	4406	tot_cyl = sz_disk / sz_cyl;
buyukesmeli	0:3a2f06aeceaf	4407
buyukesmeli	0:3a2f06aeceaf	4408	/* Create partition table */
buyukesmeli	0:3a2f06aeceaf	4409	mem_set(buf, 0, _MAX_SS);
buyukesmeli	0:3a2f06aeceaf	4410	p = buf + MBR_Table; b_cyl = 0;
buyukesmeli	0:3a2f06aeceaf	4411	for (i = 0; i < 4; i++, p += SZ_PTE) {
buyukesmeli	0:3a2f06aeceaf	4412	p_cyl = (szt[i] <= 100U) ? (DWORD)tot_cyl * szt[i] / 100 : szt[i] / sz_cyl;
buyukesmeli	0:3a2f06aeceaf	4413	if (!p_cyl) continue;
buyukesmeli	0:3a2f06aeceaf	4414	s_part = (DWORD)sz_cyl * b_cyl;
buyukesmeli	0:3a2f06aeceaf	4415	sz_part = (DWORD)sz_cyl * p_cyl;
buyukesmeli	0:3a2f06aeceaf	4416	if (i == 0) { /* Exclude first track of cylinder 0 */
buyukesmeli	0:3a2f06aeceaf	4417	s_hd = 1;
buyukesmeli	0:3a2f06aeceaf	4418	s_part += 63; sz_part -= 63;
buyukesmeli	0:3a2f06aeceaf	4419	} else {
buyukesmeli	0:3a2f06aeceaf	4420	s_hd = 0;
buyukesmeli	0:3a2f06aeceaf	4421	}
buyukesmeli	0:3a2f06aeceaf	4422	e_cyl = b_cyl + p_cyl - 1;
buyukesmeli	0:3a2f06aeceaf	4423	if (e_cyl >= tot_cyl) return FR_INVALID_PARAMETER;
buyukesmeli	0:3a2f06aeceaf	4424
buyukesmeli	0:3a2f06aeceaf	4425	/* Set partition table */
buyukesmeli	0:3a2f06aeceaf	4426	p[1] = s_hd; /* Start head */
buyukesmeli	0:3a2f06aeceaf	4427	p[2] = (BYTE)((b_cyl >> 2) + 1); /* Start sector */
buyukesmeli	0:3a2f06aeceaf	4428	p[3] = (BYTE)b_cyl; /* Start cylinder */
buyukesmeli	0:3a2f06aeceaf	4429	p[4] = 0x06; /* System type (temporary setting) */
buyukesmeli	0:3a2f06aeceaf	4430	p[5] = e_hd; /* End head */
buyukesmeli	0:3a2f06aeceaf	4431	p[6] = (BYTE)((e_cyl >> 2) + 63); /* End sector */
buyukesmeli	0:3a2f06aeceaf	4432	p[7] = (BYTE)e_cyl; /* End cylinder */
buyukesmeli	0:3a2f06aeceaf	4433	ST_DWORD(p + 8, s_part); /* Start sector in LBA */
buyukesmeli	0:3a2f06aeceaf	4434	ST_DWORD(p + 12, sz_part); /* Partition size */
buyukesmeli	0:3a2f06aeceaf	4435
buyukesmeli	0:3a2f06aeceaf	4436	/* Next partition */
buyukesmeli	0:3a2f06aeceaf	4437	b_cyl += p_cyl;
buyukesmeli	0:3a2f06aeceaf	4438	}
buyukesmeli	0:3a2f06aeceaf	4439	ST_WORD(p, 0xAA55);
buyukesmeli	0:3a2f06aeceaf	4440
buyukesmeli	0:3a2f06aeceaf	4441	/* Write it to the MBR */
buyukesmeli	0:3a2f06aeceaf	4442	return (disk_write(pdrv, buf, 0, 1) != RES_OK \|\| disk_ioctl(pdrv, CTRL_SYNC, 0) != RES_OK) ? FR_DISK_ERR : FR_OK;
buyukesmeli	0:3a2f06aeceaf	4443	}
buyukesmeli	0:3a2f06aeceaf	4444
buyukesmeli	0:3a2f06aeceaf	4445
buyukesmeli	0:3a2f06aeceaf	4446	#endif /* _MULTI_PARTITION */
buyukesmeli	0:3a2f06aeceaf	4447	#endif /* _USE_MKFS && !_FS_READONLY */
buyukesmeli	0:3a2f06aeceaf	4448
buyukesmeli	0:3a2f06aeceaf	4449
buyukesmeli	0:3a2f06aeceaf	4450
buyukesmeli	0:3a2f06aeceaf	4451
buyukesmeli	0:3a2f06aeceaf	4452	#if _USE_STRFUNC
buyukesmeli	0:3a2f06aeceaf	4453	/-----------------------------------------------------------------------/
buyukesmeli	0:3a2f06aeceaf	4454	/* Get a string from the file */
buyukesmeli	0:3a2f06aeceaf	4455	/-----------------------------------------------------------------------/
buyukesmeli	0:3a2f06aeceaf	4456
buyukesmeli	0:3a2f06aeceaf	4457	TCHAR* f_gets (
buyukesmeli	0:3a2f06aeceaf	4458	TCHAR* buff, /* Pointer to the string buffer to read */
buyukesmeli	0:3a2f06aeceaf	4459	int len, /* Size of string buffer (characters) */
buyukesmeli	0:3a2f06aeceaf	4460	FIL* fp /* Pointer to the file object */
buyukesmeli	0:3a2f06aeceaf	4461	)
buyukesmeli	0:3a2f06aeceaf	4462	{
buyukesmeli	0:3a2f06aeceaf	4463	int n = 0;
buyukesmeli	0:3a2f06aeceaf	4464	TCHAR c, *p = buff;
buyukesmeli	0:3a2f06aeceaf	4465	BYTE s[2];
buyukesmeli	0:3a2f06aeceaf	4466	UINT rc;
buyukesmeli	0:3a2f06aeceaf	4467
buyukesmeli	0:3a2f06aeceaf	4468
buyukesmeli	0:3a2f06aeceaf	4469	while (n < len - 1) { /* Read characters until buffer gets filled */
buyukesmeli	0:3a2f06aeceaf	4470	#if _USE_LFN && _LFN_UNICODE
buyukesmeli	0:3a2f06aeceaf	4471	#if _STRF_ENCODE == 3 /* Read a character in UTF-8 */
buyukesmeli	0:3a2f06aeceaf	4472	f_read(fp, s, 1, &rc);
buyukesmeli	0:3a2f06aeceaf	4473	if (rc != 1) break;
buyukesmeli	0:3a2f06aeceaf	4474	c = s[0];
buyukesmeli	0:3a2f06aeceaf	4475	if (c >= 0x80) {
buyukesmeli	0:3a2f06aeceaf	4476	if (c < 0xC0) continue; /* Skip stray trailer */
buyukesmeli	0:3a2f06aeceaf	4477	if (c < 0xE0) { /* Two-byte sequence */
buyukesmeli	0:3a2f06aeceaf	4478	f_read(fp, s, 1, &rc);
buyukesmeli	0:3a2f06aeceaf	4479	if (rc != 1) break;
buyukesmeli	0:3a2f06aeceaf	4480	c = (c & 0x1F) << 6 \| (s[0] & 0x3F);
buyukesmeli	0:3a2f06aeceaf	4481	if (c < 0x80) c = '?';
buyukesmeli	0:3a2f06aeceaf	4482	} else {
buyukesmeli	0:3a2f06aeceaf	4483	if (c < 0xF0) { /* Three-byte sequence */
buyukesmeli	0:3a2f06aeceaf	4484	f_read(fp, s, 2, &rc);
buyukesmeli	0:3a2f06aeceaf	4485	if (rc != 2) break;
buyukesmeli	0:3a2f06aeceaf	4486	c = c << 12 \| (s[0] & 0x3F) << 6 \| (s[1] & 0x3F);
buyukesmeli	0:3a2f06aeceaf	4487	if (c < 0x800) c = '?';
buyukesmeli	0:3a2f06aeceaf	4488	} else { /* Reject four-byte sequence */
buyukesmeli	0:3a2f06aeceaf	4489	c = '?';
buyukesmeli	0:3a2f06aeceaf	4490	}
buyukesmeli	0:3a2f06aeceaf	4491	}
buyukesmeli	0:3a2f06aeceaf	4492	}
buyukesmeli	0:3a2f06aeceaf	4493	#elif _STRF_ENCODE == 2 /* Read a character in UTF-16BE */
buyukesmeli	0:3a2f06aeceaf	4494	f_read(fp, s, 2, &rc);
buyukesmeli	0:3a2f06aeceaf	4495	if (rc != 2) break;
buyukesmeli	0:3a2f06aeceaf	4496	c = s[1] + (s[0] << 8);
buyukesmeli	0:3a2f06aeceaf	4497	#elif _STRF_ENCODE == 1 /* Read a character in UTF-16LE */
buyukesmeli	0:3a2f06aeceaf	4498	f_read(fp, s, 2, &rc);
buyukesmeli	0:3a2f06aeceaf	4499	if (rc != 2) break;
buyukesmeli	0:3a2f06aeceaf	4500	c = s[0] + (s[1] << 8);
buyukesmeli	0:3a2f06aeceaf	4501	#else /* Read a character in ANSI/OEM */
buyukesmeli	0:3a2f06aeceaf	4502	f_read(fp, s, 1, &rc);
buyukesmeli	0:3a2f06aeceaf	4503	if (rc != 1) break;
buyukesmeli	0:3a2f06aeceaf	4504	c = s[0];
buyukesmeli	0:3a2f06aeceaf	4505	if (IsDBCS1(c)) {
buyukesmeli	0:3a2f06aeceaf	4506	f_read(fp, s, 1, &rc);
buyukesmeli	0:3a2f06aeceaf	4507	if (rc != 1) break;
buyukesmeli	0:3a2f06aeceaf	4508	c = (c << 8) + s[0];
buyukesmeli	0:3a2f06aeceaf	4509	}
buyukesmeli	0:3a2f06aeceaf	4510	c = ff_convert(c, 1); /* OEM -> Unicode */
buyukesmeli	0:3a2f06aeceaf	4511	if (!c) c = '?';
buyukesmeli	0:3a2f06aeceaf	4512	#endif
buyukesmeli	0:3a2f06aeceaf	4513	#else /* Read a character without conversion */
buyukesmeli	0:3a2f06aeceaf	4514	f_read(fp, s, 1, &rc);
buyukesmeli	0:3a2f06aeceaf	4515	if (rc != 1) break;
buyukesmeli	0:3a2f06aeceaf	4516	c = s[0];
buyukesmeli	0:3a2f06aeceaf	4517	#endif
buyukesmeli	0:3a2f06aeceaf	4518	if (_USE_STRFUNC == 2 && c == '\r') continue; /* Strip '\r' */
buyukesmeli	0:3a2f06aeceaf	4519	*p++ = c;
buyukesmeli	0:3a2f06aeceaf	4520	n++;
buyukesmeli	0:3a2f06aeceaf	4521	if (c == '\n') break; /* Break on EOL */
buyukesmeli	0:3a2f06aeceaf	4522	}
buyukesmeli	0:3a2f06aeceaf	4523	*p = 0;
buyukesmeli	0:3a2f06aeceaf	4524	return n ? buff : 0; /* When no data read (eof or error), return with error. */
buyukesmeli	0:3a2f06aeceaf	4525	}
buyukesmeli	0:3a2f06aeceaf	4526
buyukesmeli	0:3a2f06aeceaf	4527
buyukesmeli	0:3a2f06aeceaf	4528
buyukesmeli	0:3a2f06aeceaf	4529
buyukesmeli	0:3a2f06aeceaf	4530	#if !_FS_READONLY
buyukesmeli	0:3a2f06aeceaf	4531	#include <stdarg.h>
buyukesmeli	0:3a2f06aeceaf	4532	/-----------------------------------------------------------------------/
buyukesmeli	0:3a2f06aeceaf	4533	/* Put a character to the file */
buyukesmeli	0:3a2f06aeceaf	4534	/-----------------------------------------------------------------------/
buyukesmeli	0:3a2f06aeceaf	4535
buyukesmeli	0:3a2f06aeceaf	4536	typedef struct {
buyukesmeli	0:3a2f06aeceaf	4537	FIL* fp;
buyukesmeli	0:3a2f06aeceaf	4538	int idx, nchr;
buyukesmeli	0:3a2f06aeceaf	4539	BYTE buf[64];
buyukesmeli	0:3a2f06aeceaf	4540	} putbuff;
buyukesmeli	0:3a2f06aeceaf	4541
buyukesmeli	0:3a2f06aeceaf	4542
buyukesmeli	0:3a2f06aeceaf	4543	static
buyukesmeli	0:3a2f06aeceaf	4544	void putc_bfd (
buyukesmeli	0:3a2f06aeceaf	4545	putbuff* pb,
buyukesmeli	0:3a2f06aeceaf	4546	TCHAR c
buyukesmeli	0:3a2f06aeceaf	4547	)
buyukesmeli	0:3a2f06aeceaf	4548	{
buyukesmeli	0:3a2f06aeceaf	4549	UINT bw;
buyukesmeli	0:3a2f06aeceaf	4550	int i;
buyukesmeli	0:3a2f06aeceaf	4551
buyukesmeli	0:3a2f06aeceaf	4552
buyukesmeli	0:3a2f06aeceaf	4553	if (_USE_STRFUNC == 2 && c == '\n') /* LF -> CRLF conversion */
buyukesmeli	0:3a2f06aeceaf	4554	putc_bfd(pb, '\r');
buyukesmeli	0:3a2f06aeceaf	4555
buyukesmeli	0:3a2f06aeceaf	4556	i = pb->idx; /* Buffer write index (-1:error) */
buyukesmeli	0:3a2f06aeceaf	4557	if (i < 0) return;
buyukesmeli	0:3a2f06aeceaf	4558
buyukesmeli	0:3a2f06aeceaf	4559	#if _USE_LFN && _LFN_UNICODE
buyukesmeli	0:3a2f06aeceaf	4560	#if _STRF_ENCODE == 3 /* Write a character in UTF-8 */
buyukesmeli	0:3a2f06aeceaf	4561	if (c < 0x80) { /* 7-bit */
buyukesmeli	0:3a2f06aeceaf	4562	pb->buf[i++] = (BYTE)c;
buyukesmeli	0:3a2f06aeceaf	4563	} else {
buyukesmeli	0:3a2f06aeceaf	4564	if (c < 0x800) { /* 11-bit */
buyukesmeli	0:3a2f06aeceaf	4565	pb->buf[i++] = (BYTE)(0xC0 \| c >> 6);
buyukesmeli	0:3a2f06aeceaf	4566	} else { /* 16-bit */
buyukesmeli	0:3a2f06aeceaf	4567	pb->buf[i++] = (BYTE)(0xE0 \| c >> 12);
buyukesmeli	0:3a2f06aeceaf	4568	pb->buf[i++] = (BYTE)(0x80 \| (c >> 6 & 0x3F));
buyukesmeli	0:3a2f06aeceaf	4569	}
buyukesmeli	0:3a2f06aeceaf	4570	pb->buf[i++] = (BYTE)(0x80 \| (c & 0x3F));
buyukesmeli	0:3a2f06aeceaf	4571	}
buyukesmeli	0:3a2f06aeceaf	4572	#elif _STRF_ENCODE == 2 /* Write a character in UTF-16BE */
buyukesmeli	0:3a2f06aeceaf	4573	pb->buf[i++] = (BYTE)(c >> 8);
buyukesmeli	0:3a2f06aeceaf	4574	pb->buf[i++] = (BYTE)c;
buyukesmeli	0:3a2f06aeceaf	4575	#elif _STRF_ENCODE == 1 /* Write a character in UTF-16LE */
buyukesmeli	0:3a2f06aeceaf	4576	pb->buf[i++] = (BYTE)c;
buyukesmeli	0:3a2f06aeceaf	4577	pb->buf[i++] = (BYTE)(c >> 8);
buyukesmeli	0:3a2f06aeceaf	4578	#else /* Write a character in ANSI/OEM */
buyukesmeli	0:3a2f06aeceaf	4579	c = ff_convert(c, 0); /* Unicode -> OEM */
buyukesmeli	0:3a2f06aeceaf	4580	if (!c) c = '?';
buyukesmeli	0:3a2f06aeceaf	4581	if (c >= 0x100)
buyukesmeli	0:3a2f06aeceaf	4582	pb->buf[i++] = (BYTE)(c >> 8);
buyukesmeli	0:3a2f06aeceaf	4583	pb->buf[i++] = (BYTE)c;
buyukesmeli	0:3a2f06aeceaf	4584	#endif
buyukesmeli	0:3a2f06aeceaf	4585	#else /* Write a character without conversion */
buyukesmeli	0:3a2f06aeceaf	4586	pb->buf[i++] = (BYTE)c;
buyukesmeli	0:3a2f06aeceaf	4587	#endif
buyukesmeli	0:3a2f06aeceaf	4588
buyukesmeli	0:3a2f06aeceaf	4589	if (i >= (int)(sizeof pb->buf) - 3) { /* Write buffered characters to the file */
buyukesmeli	0:3a2f06aeceaf	4590	f_write(pb->fp, pb->buf, (UINT)i, &bw);
buyukesmeli	0:3a2f06aeceaf	4591	i = (bw == (UINT)i) ? 0 : -1;
buyukesmeli	0:3a2f06aeceaf	4592	}
buyukesmeli	0:3a2f06aeceaf	4593	pb->idx = i;
buyukesmeli	0:3a2f06aeceaf	4594	pb->nchr++;
buyukesmeli	0:3a2f06aeceaf	4595	}
buyukesmeli	0:3a2f06aeceaf	4596
buyukesmeli	0:3a2f06aeceaf	4597
buyukesmeli	0:3a2f06aeceaf	4598
buyukesmeli	0:3a2f06aeceaf	4599	int f_putc (
buyukesmeli	0:3a2f06aeceaf	4600	TCHAR c, /* A character to be output */
buyukesmeli	0:3a2f06aeceaf	4601	FIL* fp /* Pointer to the file object */
buyukesmeli	0:3a2f06aeceaf	4602	)
buyukesmeli	0:3a2f06aeceaf	4603	{
buyukesmeli	0:3a2f06aeceaf	4604	putbuff pb;
buyukesmeli	0:3a2f06aeceaf	4605	UINT nw;
buyukesmeli	0:3a2f06aeceaf	4606
buyukesmeli	0:3a2f06aeceaf	4607
buyukesmeli	0:3a2f06aeceaf	4608	pb.fp = fp; /* Initialize output buffer */
buyukesmeli	0:3a2f06aeceaf	4609	pb.nchr = pb.idx = 0;
buyukesmeli	0:3a2f06aeceaf	4610
buyukesmeli	0:3a2f06aeceaf	4611	putc_bfd(&pb, c); /* Put a character */
buyukesmeli	0:3a2f06aeceaf	4612
buyukesmeli	0:3a2f06aeceaf	4613	if ( pb.idx >= 0 /* Flush buffered characters to the file */
buyukesmeli	0:3a2f06aeceaf	4614	&& f_write(pb.fp, pb.buf, (UINT)pb.idx, &nw) == FR_OK
buyukesmeli	0:3a2f06aeceaf	4615	&& (UINT)pb.idx == nw) return pb.nchr;
buyukesmeli	0:3a2f06aeceaf	4616	return EOF;
buyukesmeli	0:3a2f06aeceaf	4617	}
buyukesmeli	0:3a2f06aeceaf	4618
buyukesmeli	0:3a2f06aeceaf	4619
buyukesmeli	0:3a2f06aeceaf	4620
buyukesmeli	0:3a2f06aeceaf	4621
buyukesmeli	0:3a2f06aeceaf	4622	/-----------------------------------------------------------------------/
buyukesmeli	0:3a2f06aeceaf	4623	/* Put a string to the file */
buyukesmeli	0:3a2f06aeceaf	4624	/-----------------------------------------------------------------------/
buyukesmeli	0:3a2f06aeceaf	4625
buyukesmeli	0:3a2f06aeceaf	4626	int f_puts (
buyukesmeli	0:3a2f06aeceaf	4627	const TCHAR* str, /* Pointer to the string to be output */
buyukesmeli	0:3a2f06aeceaf	4628	FIL* fp /* Pointer to the file object */
buyukesmeli	0:3a2f06aeceaf	4629	)
buyukesmeli	0:3a2f06aeceaf	4630	{
buyukesmeli	0:3a2f06aeceaf	4631	putbuff pb;
buyukesmeli	0:3a2f06aeceaf	4632	UINT nw;
buyukesmeli	0:3a2f06aeceaf	4633
buyukesmeli	0:3a2f06aeceaf	4634
buyukesmeli	0:3a2f06aeceaf	4635	pb.fp = fp; /* Initialize output buffer */
buyukesmeli	0:3a2f06aeceaf	4636	pb.nchr = pb.idx = 0;
buyukesmeli	0:3a2f06aeceaf	4637
buyukesmeli	0:3a2f06aeceaf	4638	while (str) / Put the string */
buyukesmeli	0:3a2f06aeceaf	4639	putc_bfd(&pb, *str++);
buyukesmeli	0:3a2f06aeceaf	4640
buyukesmeli	0:3a2f06aeceaf	4641	if ( pb.idx >= 0 /* Flush buffered characters to the file */
buyukesmeli	0:3a2f06aeceaf	4642	&& f_write(pb.fp, pb.buf, (UINT)pb.idx, &nw) == FR_OK
buyukesmeli	0:3a2f06aeceaf	4643	&& (UINT)pb.idx == nw) return pb.nchr;
buyukesmeli	0:3a2f06aeceaf	4644	return EOF;
buyukesmeli	0:3a2f06aeceaf	4645	}
buyukesmeli	0:3a2f06aeceaf	4646
buyukesmeli	0:3a2f06aeceaf	4647
buyukesmeli	0:3a2f06aeceaf	4648
buyukesmeli	0:3a2f06aeceaf	4649
buyukesmeli	0:3a2f06aeceaf	4650	/-----------------------------------------------------------------------/
buyukesmeli	0:3a2f06aeceaf	4651	/* Put a formatted string to the file */
buyukesmeli	0:3a2f06aeceaf	4652	/-----------------------------------------------------------------------/
buyukesmeli	0:3a2f06aeceaf	4653
buyukesmeli	0:3a2f06aeceaf	4654	int f_printf (
buyukesmeli	0:3a2f06aeceaf	4655	FIL* fp, /* Pointer to the file object */
buyukesmeli	0:3a2f06aeceaf	4656	const TCHAR* fmt, /* Pointer to the format string */
buyukesmeli	0:3a2f06aeceaf	4657	... /* Optional arguments... */
buyukesmeli	0:3a2f06aeceaf	4658	)
buyukesmeli	0:3a2f06aeceaf	4659	{
buyukesmeli	0:3a2f06aeceaf	4660	va_list arp;
buyukesmeli	0:3a2f06aeceaf	4661	BYTE f, r;
buyukesmeli	0:3a2f06aeceaf	4662	UINT nw, i, j, w;
buyukesmeli	0:3a2f06aeceaf	4663	DWORD v;
buyukesmeli	0:3a2f06aeceaf	4664	TCHAR c, d, s[16], *p;
buyukesmeli	0:3a2f06aeceaf	4665	putbuff pb;
buyukesmeli	0:3a2f06aeceaf	4666
buyukesmeli	0:3a2f06aeceaf	4667
buyukesmeli	0:3a2f06aeceaf	4668	pb.fp = fp; /* Initialize output buffer */
buyukesmeli	0:3a2f06aeceaf	4669	pb.nchr = pb.idx = 0;
buyukesmeli	0:3a2f06aeceaf	4670
buyukesmeli	0:3a2f06aeceaf	4671	va_start(arp, fmt);
buyukesmeli	0:3a2f06aeceaf	4672
buyukesmeli	0:3a2f06aeceaf	4673	for (;;) {
buyukesmeli	0:3a2f06aeceaf	4674	c = *fmt++;
buyukesmeli	0:3a2f06aeceaf	4675	if (c == 0) break; /* End of string */
buyukesmeli	0:3a2f06aeceaf	4676	if (c != '%') { /* Non escape character */
buyukesmeli	0:3a2f06aeceaf	4677	putc_bfd(&pb, c);
buyukesmeli	0:3a2f06aeceaf	4678	continue;
buyukesmeli	0:3a2f06aeceaf	4679	}
buyukesmeli	0:3a2f06aeceaf	4680	w = f = 0;
buyukesmeli	0:3a2f06aeceaf	4681	c = *fmt++;
buyukesmeli	0:3a2f06aeceaf	4682	if (c == '0') { /* Flag: '0' padding */
buyukesmeli	0:3a2f06aeceaf	4683	f = 1; c = *fmt++;
buyukesmeli	0:3a2f06aeceaf	4684	} else {
buyukesmeli	0:3a2f06aeceaf	4685	if (c == '-') { /* Flag: left justified */
buyukesmeli	0:3a2f06aeceaf	4686	f = 2; c = *fmt++;
buyukesmeli	0:3a2f06aeceaf	4687	}
buyukesmeli	0:3a2f06aeceaf	4688	}
buyukesmeli	0:3a2f06aeceaf	4689	while (IsDigit(c)) { /* Precision */
buyukesmeli	0:3a2f06aeceaf	4690	w = w * 10 + c - '0';
buyukesmeli	0:3a2f06aeceaf	4691	c = *fmt++;
buyukesmeli	0:3a2f06aeceaf	4692	}
buyukesmeli	0:3a2f06aeceaf	4693	if (c == 'l' \|\| c == 'L') { /* Prefix: Size is long int */
buyukesmeli	0:3a2f06aeceaf	4694	f \|= 4; c = *fmt++;
buyukesmeli	0:3a2f06aeceaf	4695	}
buyukesmeli	0:3a2f06aeceaf	4696	if (!c) break;
buyukesmeli	0:3a2f06aeceaf	4697	d = c;
buyukesmeli	0:3a2f06aeceaf	4698	if (IsLower(d)) d -= 0x20;
buyukesmeli	0:3a2f06aeceaf	4699	switch (d) { /* Type is... */
buyukesmeli	0:3a2f06aeceaf	4700	case 'S' : /* String */
buyukesmeli	0:3a2f06aeceaf	4701	p = va_arg(arp, TCHAR*);
buyukesmeli	0:3a2f06aeceaf	4702	for (j = 0; p[j]; j++) ;
buyukesmeli	0:3a2f06aeceaf	4703	if (!(f & 2)) {
buyukesmeli	0:3a2f06aeceaf	4704	while (j++ < w) putc_bfd(&pb, ' ');
buyukesmeli	0:3a2f06aeceaf	4705	}
buyukesmeli	0:3a2f06aeceaf	4706	while (p) putc_bfd(&pb, p++);
buyukesmeli	0:3a2f06aeceaf	4707	while (j++ < w) putc_bfd(&pb, ' ');
buyukesmeli	0:3a2f06aeceaf	4708	continue;
buyukesmeli	0:3a2f06aeceaf	4709	case 'C' : /* Character */
buyukesmeli	0:3a2f06aeceaf	4710	putc_bfd(&pb, (TCHAR)va_arg(arp, int)); continue;
buyukesmeli	0:3a2f06aeceaf	4711	case 'B' : /* Binary */
buyukesmeli	0:3a2f06aeceaf	4712	r = 2; break;
buyukesmeli	0:3a2f06aeceaf	4713	case 'O' : /* Octal */
buyukesmeli	0:3a2f06aeceaf	4714	r = 8; break;
buyukesmeli	0:3a2f06aeceaf	4715	case 'D' : /* Signed decimal */
buyukesmeli	0:3a2f06aeceaf	4716	case 'U' : /* Unsigned decimal */
buyukesmeli	0:3a2f06aeceaf	4717	r = 10; break;
buyukesmeli	0:3a2f06aeceaf	4718	case 'X' : /* Hexdecimal */
buyukesmeli	0:3a2f06aeceaf	4719	r = 16; break;
buyukesmeli	0:3a2f06aeceaf	4720	default: /* Unknown type (pass-through) */
buyukesmeli	0:3a2f06aeceaf	4721	putc_bfd(&pb, c); continue;
buyukesmeli	0:3a2f06aeceaf	4722	}
buyukesmeli	0:3a2f06aeceaf	4723
buyukesmeli	0:3a2f06aeceaf	4724	/* Get an argument and put it in numeral */
buyukesmeli	0:3a2f06aeceaf	4725	v = (f & 4) ? (DWORD)va_arg(arp, long) : ((d == 'D') ? (DWORD)(long)va_arg(arp, int) : (DWORD)va_arg(arp, unsigned int));
buyukesmeli	0:3a2f06aeceaf	4726	if (d == 'D' && (v & 0x80000000)) {
buyukesmeli	0:3a2f06aeceaf	4727	v = 0 - v;
buyukesmeli	0:3a2f06aeceaf	4728	f \|= 8;
buyukesmeli	0:3a2f06aeceaf	4729	}
buyukesmeli	0:3a2f06aeceaf	4730	i = 0;
buyukesmeli	0:3a2f06aeceaf	4731	do {
buyukesmeli	0:3a2f06aeceaf	4732	d = (TCHAR)(v % r); v /= r;
buyukesmeli	0:3a2f06aeceaf	4733	if (d > 9) d += (c == 'x') ? 0x27 : 0x07;
buyukesmeli	0:3a2f06aeceaf	4734	s[i++] = d + '0';
buyukesmeli	0:3a2f06aeceaf	4735	} while (v && i < sizeof s / sizeof s[0]);
buyukesmeli	0:3a2f06aeceaf	4736	if (f & 8) s[i++] = '-';
buyukesmeli	0:3a2f06aeceaf	4737	j = i; d = (f & 1) ? '0' : ' ';
buyukesmeli	0:3a2f06aeceaf	4738	while (!(f & 2) && j++ < w) putc_bfd(&pb, d);
buyukesmeli	0:3a2f06aeceaf	4739	do putc_bfd(&pb, s[--i]); while (i);
buyukesmeli	0:3a2f06aeceaf	4740	while (j++ < w) putc_bfd(&pb, d);
buyukesmeli	0:3a2f06aeceaf	4741	}
buyukesmeli	0:3a2f06aeceaf	4742
buyukesmeli	0:3a2f06aeceaf	4743	va_end(arp);
buyukesmeli	0:3a2f06aeceaf	4744
buyukesmeli	0:3a2f06aeceaf	4745	if ( pb.idx >= 0 /* Flush buffered characters to the file */
buyukesmeli	0:3a2f06aeceaf	4746	&& f_write(pb.fp, pb.buf, (UINT)pb.idx, &nw) == FR_OK
buyukesmeli	0:3a2f06aeceaf	4747	&& (UINT)pb.idx == nw) return pb.nchr;
buyukesmeli	0:3a2f06aeceaf	4748	return EOF;
buyukesmeli	0:3a2f06aeceaf	4749	}
buyukesmeli	0:3a2f06aeceaf	4750
buyukesmeli	0:3a2f06aeceaf	4751	#endif /* !_FS_READONLY */
buyukesmeli	0:3a2f06aeceaf	4752	#endif /* _USE_STRFUNC */

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Type:	Library
Created:	03 Feb 2018
Imports:	65
Forks:	0
Commits:	1
Dependents:	4
Dependencies:	0
Followers:	2

ff.c@0:3a2f06aeceaf, 2018-02-03 (annotated)

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