20210627_Logger - hattori&ide

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Atsushi Hattori / Mbed 2 deprecated 20210627_Logger

hattori&ide

ChaNFSUSB/ChaNFS/CHAN_FS/ff.c@0:f77369cabd75, 18 months ago (annotated)

Committer:: hattori_atsushi
Date:: Sun Dec 18 08:16:01 2022 +0000
Revision:: 0:f77369cabd75

hattori

Who changed what in which revision?

User	Revision	Line number	New contents of line
hattori_atsushi	0:f77369cabd75	1	/*----------------------------------------------------------------------------/
hattori_atsushi	0:f77369cabd75	2	/ FatFs - FAT file system module R0.08b (C)ChaN, 2011
hattori_atsushi	0:f77369cabd75	3	/-----------------------------------------------------------------------------/
hattori_atsushi	0:f77369cabd75	4	/ FatFs module is a generic FAT file system module for small embedded systems.
hattori_atsushi	0:f77369cabd75	5	/ This is a free software that opened for education, research and commercial
hattori_atsushi	0:f77369cabd75	6	/ developments under license policy of following terms.
hattori_atsushi	0:f77369cabd75	7	/
hattori_atsushi	0:f77369cabd75	8	/ Copyright (C) 2011, ChaN, all right reserved.
hattori_atsushi	0:f77369cabd75	9	/
hattori_atsushi	0:f77369cabd75	10	/ * The FatFs module is a free software and there is NO WARRANTY.
hattori_atsushi	0:f77369cabd75	11	/ * No restriction on use. You can use, modify and redistribute it for
hattori_atsushi	0:f77369cabd75	12	/ personal, non-profit or commercial products UNDER YOUR RESPONSIBILITY.
hattori_atsushi	0:f77369cabd75	13	/ * Redistributions of source code must retain the above copyright notice.
hattori_atsushi	0:f77369cabd75	14	/
hattori_atsushi	0:f77369cabd75	15	/-----------------------------------------------------------------------------/
hattori_atsushi	0:f77369cabd75	16	/ Feb 26,'06 R0.00 Prototype.
hattori_atsushi	0:f77369cabd75	17	/
hattori_atsushi	0:f77369cabd75	18	/ Apr 29,'06 R0.01 First stable version.
hattori_atsushi	0:f77369cabd75	19	/
hattori_atsushi	0:f77369cabd75	20	/ Jun 01,'06 R0.02 Added FAT12 support.
hattori_atsushi	0:f77369cabd75	21	/ Removed unbuffered mode.
hattori_atsushi	0:f77369cabd75	22	/ Fixed a problem on small (<32M) partition.
hattori_atsushi	0:f77369cabd75	23	/ Jun 10,'06 R0.02a Added a configuration option (_FS_MINIMUM).
hattori_atsushi	0:f77369cabd75	24	/
hattori_atsushi	0:f77369cabd75	25	/ Sep 22,'06 R0.03 Added f_rename().
hattori_atsushi	0:f77369cabd75	26	/ Changed option _FS_MINIMUM to _FS_MINIMIZE.
hattori_atsushi	0:f77369cabd75	27	/ Dec 11,'06 R0.03a Improved cluster scan algorithm to write files fast.
hattori_atsushi	0:f77369cabd75	28	/ Fixed f_mkdir() creates incorrect directory on FAT32.
hattori_atsushi	0:f77369cabd75	29	/
hattori_atsushi	0:f77369cabd75	30	/ Feb 04,'07 R0.04 Supported multiple drive system.
hattori_atsushi	0:f77369cabd75	31	/ Changed some interfaces for multiple drive system.
hattori_atsushi	0:f77369cabd75	32	/ Changed f_mountdrv() to f_mount().
hattori_atsushi	0:f77369cabd75	33	/ Added f_mkfs().
hattori_atsushi	0:f77369cabd75	34	/ Apr 01,'07 R0.04a Supported multiple partitions on a physical drive.
hattori_atsushi	0:f77369cabd75	35	/ Added a capability of extending file size to f_lseek().
hattori_atsushi	0:f77369cabd75	36	/ Added minimization level 3.
hattori_atsushi	0:f77369cabd75	37	/ Fixed an endian sensitive code in f_mkfs().
hattori_atsushi	0:f77369cabd75	38	/ May 05,'07 R0.04b Added a configuration option _USE_NTFLAG.
hattori_atsushi	0:f77369cabd75	39	/ Added FSInfo support.
hattori_atsushi	0:f77369cabd75	40	/ Fixed DBCS name can result FR_INVALID_NAME.
hattori_atsushi	0:f77369cabd75	41	/ Fixed short seek (<= csize) collapses the file object.
hattori_atsushi	0:f77369cabd75	42	/
hattori_atsushi	0:f77369cabd75	43	/ Aug 25,'07 R0.05 Changed arguments of f_read(), f_write() and f_mkfs().
hattori_atsushi	0:f77369cabd75	44	/ Fixed f_mkfs() on FAT32 creates incorrect FSInfo.
hattori_atsushi	0:f77369cabd75	45	/ Fixed f_mkdir() on FAT32 creates incorrect directory.
hattori_atsushi	0:f77369cabd75	46	/ Feb 03,'08 R0.05a Added f_truncate() and f_utime().
hattori_atsushi	0:f77369cabd75	47	/ Fixed off by one error at FAT sub-type determination.
hattori_atsushi	0:f77369cabd75	48	/ Fixed btr in f_read() can be mistruncated.
hattori_atsushi	0:f77369cabd75	49	/ Fixed cached sector is not flushed when create and close without write.
hattori_atsushi	0:f77369cabd75	50	/
hattori_atsushi	0:f77369cabd75	51	/ Apr 01,'08 R0.06 Added fputc(), fputs(), fprintf() and fgets().
hattori_atsushi	0:f77369cabd75	52	/ Improved performance of f_lseek() on moving to the same or following cluster.
hattori_atsushi	0:f77369cabd75	53	/
hattori_atsushi	0:f77369cabd75	54	/ Apr 01,'09 R0.07 Merged Tiny-FatFs as a configuration option. (_FS_TINY)
hattori_atsushi	0:f77369cabd75	55	/ Added long file name feature.
hattori_atsushi	0:f77369cabd75	56	/ Added multiple code page feature.
hattori_atsushi	0:f77369cabd75	57	/ Added re-entrancy for multitask operation.
hattori_atsushi	0:f77369cabd75	58	/ Added auto cluster size selection to f_mkfs().
hattori_atsushi	0:f77369cabd75	59	/ Added rewind option to f_readdir().
hattori_atsushi	0:f77369cabd75	60	/ Changed result code of critical errors.
hattori_atsushi	0:f77369cabd75	61	/ Renamed string functions to avoid name collision.
hattori_atsushi	0:f77369cabd75	62	/ Apr 14,'09 R0.07a Separated out OS dependent code on reentrant cfg.
hattori_atsushi	0:f77369cabd75	63	/ Added multiple sector size feature.
hattori_atsushi	0:f77369cabd75	64	/ Jun 21,'09 R0.07c Fixed f_unlink() can return FR_OK on error.
hattori_atsushi	0:f77369cabd75	65	/ Fixed wrong cache control in f_lseek().
hattori_atsushi	0:f77369cabd75	66	/ Added relative path feature.
hattori_atsushi	0:f77369cabd75	67	/ Added f_chdir() and f_chdrive().
hattori_atsushi	0:f77369cabd75	68	/ Added proper case conversion to extended char.
hattori_atsushi	0:f77369cabd75	69	/ Nov 03,'09 R0.07e Separated out configuration options from ff.h to ffconf.h.
hattori_atsushi	0:f77369cabd75	70	/ Fixed f_unlink() fails to remove a sub-dir on _FS_RPATH.
hattori_atsushi	0:f77369cabd75	71	/ Fixed name matching error on the 13 char boundary.
hattori_atsushi	0:f77369cabd75	72	/ Added a configuration option, _LFN_UNICODE.
hattori_atsushi	0:f77369cabd75	73	/ Changed f_readdir() to return the SFN with always upper case on non-LFN cfg.
hattori_atsushi	0:f77369cabd75	74	/
hattori_atsushi	0:f77369cabd75	75	/ May 15,'10 R0.08 Added a memory configuration option. (_USE_LFN = 3)
hattori_atsushi	0:f77369cabd75	76	/ Added file lock feature. (_FS_SHARE)
hattori_atsushi	0:f77369cabd75	77	/ Added fast seek feature. (_USE_FASTSEEK)
hattori_atsushi	0:f77369cabd75	78	/ Changed some types on the API, XCHAR->TCHAR.
hattori_atsushi	0:f77369cabd75	79	/ Changed fname member in the FILINFO structure on Unicode cfg.
hattori_atsushi	0:f77369cabd75	80	/ String functions support UTF-8 encoding files on Unicode cfg.
hattori_atsushi	0:f77369cabd75	81	/ Aug 16,'10 R0.08a Added f_getcwd(). (_FS_RPATH = 2)
hattori_atsushi	0:f77369cabd75	82	/ Added sector erase feature. (_USE_ERASE)
hattori_atsushi	0:f77369cabd75	83	/ Moved file lock semaphore table from fs object to the bss.
hattori_atsushi	0:f77369cabd75	84	/ Fixed a wrong directory entry is created on non-LFN cfg when the given name contains ';'.
hattori_atsushi	0:f77369cabd75	85	/ Fixed f_mkfs() creates wrong FAT32 volume.
hattori_atsushi	0:f77369cabd75	86	/ Jan 15,'11 R0.08b Fast seek feature is also applied to f_read() and f_write().
hattori_atsushi	0:f77369cabd75	87	/ f_lseek() reports required table size on creating CLMP.
hattori_atsushi	0:f77369cabd75	88	/ Extended format syntax of f_printf function.
hattori_atsushi	0:f77369cabd75	89	/ Ignores duplicated directory separators in given path names.
hattori_atsushi	0:f77369cabd75	90	/---------------------------------------------------------------------------*/
hattori_atsushi	0:f77369cabd75	91
hattori_atsushi	0:f77369cabd75	92	#include "ff.h" /* FatFs configurations and declarations */
hattori_atsushi	0:f77369cabd75	93	#include "diskio.h" /* Declarations of low level disk I/O functions */
hattori_atsushi	0:f77369cabd75	94	#include "mbed.h"
hattori_atsushi	0:f77369cabd75	95
hattori_atsushi	0:f77369cabd75	96
hattori_atsushi	0:f77369cabd75	97	/*--------------------------------------------------------------------------
hattori_atsushi	0:f77369cabd75	98
hattori_atsushi	0:f77369cabd75	99	Module Private Definitions
hattori_atsushi	0:f77369cabd75	100
hattori_atsushi	0:f77369cabd75	101	---------------------------------------------------------------------------*/
hattori_atsushi	0:f77369cabd75	102
hattori_atsushi	0:f77369cabd75	103	#if _FATFS != 8237
hattori_atsushi	0:f77369cabd75	104	#error Wrong include file (ff.h).
hattori_atsushi	0:f77369cabd75	105	#endif
hattori_atsushi	0:f77369cabd75	106
hattori_atsushi	0:f77369cabd75	107
hattori_atsushi	0:f77369cabd75	108	/* Definitions on sector size */
hattori_atsushi	0:f77369cabd75	109	#if _MAX_SS != 512 && _MAX_SS != 1024 && _MAX_SS != 2048 && _MAX_SS != 4096
hattori_atsushi	0:f77369cabd75	110	#error Wrong sector size.
hattori_atsushi	0:f77369cabd75	111	#endif
hattori_atsushi	0:f77369cabd75	112	#if _MAX_SS != 512
hattori_atsushi	0:f77369cabd75	113	#define SS(fs) ((fs)->ssize) /* Multiple sector size */
hattori_atsushi	0:f77369cabd75	114	#else
hattori_atsushi	0:f77369cabd75	115	#define SS(fs) 512U /* Fixed sector size */
hattori_atsushi	0:f77369cabd75	116	#endif
hattori_atsushi	0:f77369cabd75	117
hattori_atsushi	0:f77369cabd75	118
hattori_atsushi	0:f77369cabd75	119	/* Reentrancy related */
hattori_atsushi	0:f77369cabd75	120	#if _FS_REENTRANT
hattori_atsushi	0:f77369cabd75	121	#if _USE_LFN == 1
hattori_atsushi	0:f77369cabd75	122	#error Static LFN work area must not be used in re-entrant configuration.
hattori_atsushi	0:f77369cabd75	123	#endif
hattori_atsushi	0:f77369cabd75	124	#define ENTER_FF(fs) { if (!lock_fs(fs)) return FR_TIMEOUT; }
hattori_atsushi	0:f77369cabd75	125	#define LEAVE_FF(fs, res) { unlock_fs(fs, res); return res; }
hattori_atsushi	0:f77369cabd75	126	#else
hattori_atsushi	0:f77369cabd75	127	#define ENTER_FF(fs)
hattori_atsushi	0:f77369cabd75	128	#define LEAVE_FF(fs, res) return res
hattori_atsushi	0:f77369cabd75	129	#endif
hattori_atsushi	0:f77369cabd75	130
hattori_atsushi	0:f77369cabd75	131	#define ABORT(fs, res) { fp->flag \|= FA__ERROR; LEAVE_FF(fs, res); }
hattori_atsushi	0:f77369cabd75	132
hattori_atsushi	0:f77369cabd75	133
hattori_atsushi	0:f77369cabd75	134	/* File shareing feature */
hattori_atsushi	0:f77369cabd75	135	#if _FS_SHARE
hattori_atsushi	0:f77369cabd75	136	#if _FS_READONLY
hattori_atsushi	0:f77369cabd75	137	#error _FS_SHARE must be 0 on read-only cfg.
hattori_atsushi	0:f77369cabd75	138	#endif
hattori_atsushi	0:f77369cabd75	139	typedef struct {
hattori_atsushi	0:f77369cabd75	140	FATFS fs; / File ID 1, volume (NULL:blank entry) */
hattori_atsushi	0:f77369cabd75	141	DWORD clu; /* File ID 2, directory */
hattori_atsushi	0:f77369cabd75	142	WORD idx; /* File ID 3, directory index */
hattori_atsushi	0:f77369cabd75	143	WORD ctr; /* File open counter, 0:none, 0x01..0xFF:read open count, 0x100:write mode */
hattori_atsushi	0:f77369cabd75	144	} FILESEM;
hattori_atsushi	0:f77369cabd75	145	#endif
hattori_atsushi	0:f77369cabd75	146
hattori_atsushi	0:f77369cabd75	147
hattori_atsushi	0:f77369cabd75	148	/* Misc definitions */
hattori_atsushi	0:f77369cabd75	149	#define LD_CLUST(dir) (((DWORD)LD_WORD(dir+DIR_FstClusHI)<<16) \| LD_WORD(dir+DIR_FstClusLO))
hattori_atsushi	0:f77369cabd75	150	#define ST_CLUST(dir,cl) {ST_WORD(dir+DIR_FstClusLO, cl); ST_WORD(dir+DIR_FstClusHI, (DWORD)cl>>16);}
hattori_atsushi	0:f77369cabd75	151
hattori_atsushi	0:f77369cabd75	152
hattori_atsushi	0:f77369cabd75	153	/* DBCS code ranges and SBCS extend char conversion table */
hattori_atsushi	0:f77369cabd75	154
hattori_atsushi	0:f77369cabd75	155	#if _CODE_PAGE == 932 /* Japanese Shift-JIS */
hattori_atsushi	0:f77369cabd75	156	#define _DF1S 0x81 /* DBC 1st byte range 1 start */
hattori_atsushi	0:f77369cabd75	157	#define _DF1E 0x9F /* DBC 1st byte range 1 end */
hattori_atsushi	0:f77369cabd75	158	#define _DF2S 0xE0 /* DBC 1st byte range 2 start */
hattori_atsushi	0:f77369cabd75	159	#define _DF2E 0xFC /* DBC 1st byte range 2 end */
hattori_atsushi	0:f77369cabd75	160	#define _DS1S 0x40 /* DBC 2nd byte range 1 start */
hattori_atsushi	0:f77369cabd75	161	#define _DS1E 0x7E /* DBC 2nd byte range 1 end */
hattori_atsushi	0:f77369cabd75	162	#define _DS2S 0x80 /* DBC 2nd byte range 2 start */
hattori_atsushi	0:f77369cabd75	163	#define _DS2E 0xFC /* DBC 2nd byte range 2 end */
hattori_atsushi	0:f77369cabd75	164
hattori_atsushi	0:f77369cabd75	165	#elif _CODE_PAGE == 936 /* Simplified Chinese GBK */
hattori_atsushi	0:f77369cabd75	166	#define _DF1S 0x81
hattori_atsushi	0:f77369cabd75	167	#define _DF1E 0xFE
hattori_atsushi	0:f77369cabd75	168	#define _DS1S 0x40
hattori_atsushi	0:f77369cabd75	169	#define _DS1E 0x7E
hattori_atsushi	0:f77369cabd75	170	#define _DS2S 0x80
hattori_atsushi	0:f77369cabd75	171	#define _DS2E 0xFE
hattori_atsushi	0:f77369cabd75	172
hattori_atsushi	0:f77369cabd75	173	#elif _CODE_PAGE == 949 /* Korean */
hattori_atsushi	0:f77369cabd75	174	#define _DF1S 0x81
hattori_atsushi	0:f77369cabd75	175	#define _DF1E 0xFE
hattori_atsushi	0:f77369cabd75	176	#define _DS1S 0x41
hattori_atsushi	0:f77369cabd75	177	#define _DS1E 0x5A
hattori_atsushi	0:f77369cabd75	178	#define _DS2S 0x61
hattori_atsushi	0:f77369cabd75	179	#define _DS2E 0x7A
hattori_atsushi	0:f77369cabd75	180	#define _DS3S 0x81
hattori_atsushi	0:f77369cabd75	181	#define _DS3E 0xFE
hattori_atsushi	0:f77369cabd75	182
hattori_atsushi	0:f77369cabd75	183	#elif _CODE_PAGE == 950 /* Traditional Chinese Big5 */
hattori_atsushi	0:f77369cabd75	184	#define _DF1S 0x81
hattori_atsushi	0:f77369cabd75	185	#define _DF1E 0xFE
hattori_atsushi	0:f77369cabd75	186	#define _DS1S 0x40
hattori_atsushi	0:f77369cabd75	187	#define _DS1E 0x7E
hattori_atsushi	0:f77369cabd75	188	#define _DS2S 0xA1
hattori_atsushi	0:f77369cabd75	189	#define _DS2E 0xFE
hattori_atsushi	0:f77369cabd75	190
hattori_atsushi	0:f77369cabd75	191	#elif _CODE_PAGE == 437 /* U.S. (OEM) */
hattori_atsushi	0:f77369cabd75	192	#define _DF1S 0
hattori_atsushi	0:f77369cabd75	193	#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, \
hattori_atsushi	0:f77369cabd75	194	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, \
hattori_atsushi	0:f77369cabd75	195	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, \
hattori_atsushi	0:f77369cabd75	196	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}
hattori_atsushi	0:f77369cabd75	197
hattori_atsushi	0:f77369cabd75	198	#elif _CODE_PAGE == 720 /* Arabic (OEM) */
hattori_atsushi	0:f77369cabd75	199	#define _DF1S 0
hattori_atsushi	0:f77369cabd75	200	#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, \
hattori_atsushi	0:f77369cabd75	201	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, \
hattori_atsushi	0:f77369cabd75	202	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, \
hattori_atsushi	0:f77369cabd75	203	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}
hattori_atsushi	0:f77369cabd75	204
hattori_atsushi	0:f77369cabd75	205	#elif _CODE_PAGE == 737 /* Greek (OEM) */
hattori_atsushi	0:f77369cabd75	206	#define _DF1S 0
hattori_atsushi	0:f77369cabd75	207	#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, \
hattori_atsushi	0:f77369cabd75	208	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, \
hattori_atsushi	0:f77369cabd75	209	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, \
hattori_atsushi	0:f77369cabd75	210	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}
hattori_atsushi	0:f77369cabd75	211
hattori_atsushi	0:f77369cabd75	212	#elif _CODE_PAGE == 775 /* Baltic (OEM) */
hattori_atsushi	0:f77369cabd75	213	#define _DF1S 0
hattori_atsushi	0:f77369cabd75	214	#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, \
hattori_atsushi	0:f77369cabd75	215	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, \
hattori_atsushi	0:f77369cabd75	216	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, \
hattori_atsushi	0:f77369cabd75	217	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}
hattori_atsushi	0:f77369cabd75	218
hattori_atsushi	0:f77369cabd75	219	#elif _CODE_PAGE == 850 /* Multilingual Latin 1 (OEM) */
hattori_atsushi	0:f77369cabd75	220	#define _DF1S 0
hattori_atsushi	0:f77369cabd75	221	#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, \
hattori_atsushi	0:f77369cabd75	222	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, \
hattori_atsushi	0:f77369cabd75	223	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, \
hattori_atsushi	0:f77369cabd75	224	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}
hattori_atsushi	0:f77369cabd75	225
hattori_atsushi	0:f77369cabd75	226	#elif _CODE_PAGE == 852 /* Latin 2 (OEM) */
hattori_atsushi	0:f77369cabd75	227	#define _DF1S 0
hattori_atsushi	0:f77369cabd75	228	#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, \
hattori_atsushi	0:f77369cabd75	229	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, \
hattori_atsushi	0:f77369cabd75	230	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, \
hattori_atsushi	0:f77369cabd75	231	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}
hattori_atsushi	0:f77369cabd75	232
hattori_atsushi	0:f77369cabd75	233	#elif _CODE_PAGE == 855 /* Cyrillic (OEM) */
hattori_atsushi	0:f77369cabd75	234	#define _DF1S 0
hattori_atsushi	0:f77369cabd75	235	#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, \
hattori_atsushi	0:f77369cabd75	236	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, \
hattori_atsushi	0:f77369cabd75	237	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, \
hattori_atsushi	0:f77369cabd75	238	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}
hattori_atsushi	0:f77369cabd75	239
hattori_atsushi	0:f77369cabd75	240	#elif _CODE_PAGE == 857 /* Turkish (OEM) */
hattori_atsushi	0:f77369cabd75	241	#define _DF1S 0
hattori_atsushi	0:f77369cabd75	242	#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, \
hattori_atsushi	0:f77369cabd75	243	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, \
hattori_atsushi	0:f77369cabd75	244	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, \
hattori_atsushi	0:f77369cabd75	245	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}
hattori_atsushi	0:f77369cabd75	246
hattori_atsushi	0:f77369cabd75	247	#elif _CODE_PAGE == 858 /* Multilingual Latin 1 + Euro (OEM) */
hattori_atsushi	0:f77369cabd75	248	#define _DF1S 0
hattori_atsushi	0:f77369cabd75	249	#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, \
hattori_atsushi	0:f77369cabd75	250	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, \
hattori_atsushi	0:f77369cabd75	251	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, \
hattori_atsushi	0:f77369cabd75	252	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}
hattori_atsushi	0:f77369cabd75	253
hattori_atsushi	0:f77369cabd75	254	#elif _CODE_PAGE == 862 /* Hebrew (OEM) */
hattori_atsushi	0:f77369cabd75	255	#define _DF1S 0
hattori_atsushi	0:f77369cabd75	256	#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, \
hattori_atsushi	0:f77369cabd75	257	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, \
hattori_atsushi	0:f77369cabd75	258	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, \
hattori_atsushi	0:f77369cabd75	259	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}
hattori_atsushi	0:f77369cabd75	260
hattori_atsushi	0:f77369cabd75	261	#elif _CODE_PAGE == 866 /* Russian (OEM) */
hattori_atsushi	0:f77369cabd75	262	#define _DF1S 0
hattori_atsushi	0:f77369cabd75	263	#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, \
hattori_atsushi	0:f77369cabd75	264	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, \
hattori_atsushi	0:f77369cabd75	265	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, \
hattori_atsushi	0:f77369cabd75	266	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}
hattori_atsushi	0:f77369cabd75	267
hattori_atsushi	0:f77369cabd75	268	#elif _CODE_PAGE == 874 /* Thai (OEM, Windows) */
hattori_atsushi	0:f77369cabd75	269	#define _DF1S 0
hattori_atsushi	0:f77369cabd75	270	#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, \
hattori_atsushi	0:f77369cabd75	271	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, \
hattori_atsushi	0:f77369cabd75	272	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, \
hattori_atsushi	0:f77369cabd75	273	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}
hattori_atsushi	0:f77369cabd75	274
hattori_atsushi	0:f77369cabd75	275	#elif _CODE_PAGE == 1250 /* Central Europe (Windows) */
hattori_atsushi	0:f77369cabd75	276	#define _DF1S 0
hattori_atsushi	0:f77369cabd75	277	#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, \
hattori_atsushi	0:f77369cabd75	278	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, \
hattori_atsushi	0:f77369cabd75	279	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, \
hattori_atsushi	0:f77369cabd75	280	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}
hattori_atsushi	0:f77369cabd75	281
hattori_atsushi	0:f77369cabd75	282	#elif _CODE_PAGE == 1251 /* Cyrillic (Windows) */
hattori_atsushi	0:f77369cabd75	283	#define _DF1S 0
hattori_atsushi	0:f77369cabd75	284	#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, \
hattori_atsushi	0:f77369cabd75	285	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, \
hattori_atsushi	0:f77369cabd75	286	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, \
hattori_atsushi	0:f77369cabd75	287	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}
hattori_atsushi	0:f77369cabd75	288
hattori_atsushi	0:f77369cabd75	289	#elif _CODE_PAGE == 1252 /* Latin 1 (Windows) */
hattori_atsushi	0:f77369cabd75	290	#define _DF1S 0
hattori_atsushi	0:f77369cabd75	291	#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, \
hattori_atsushi	0:f77369cabd75	292	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, \
hattori_atsushi	0:f77369cabd75	293	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, \
hattori_atsushi	0:f77369cabd75	294	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}
hattori_atsushi	0:f77369cabd75	295
hattori_atsushi	0:f77369cabd75	296	#elif _CODE_PAGE == 1253 /* Greek (Windows) */
hattori_atsushi	0:f77369cabd75	297	#define _DF1S 0
hattori_atsushi	0:f77369cabd75	298	#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, \
hattori_atsushi	0:f77369cabd75	299	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, \
hattori_atsushi	0:f77369cabd75	300	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, \
hattori_atsushi	0:f77369cabd75	301	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}
hattori_atsushi	0:f77369cabd75	302
hattori_atsushi	0:f77369cabd75	303	#elif _CODE_PAGE == 1254 /* Turkish (Windows) */
hattori_atsushi	0:f77369cabd75	304	#define _DF1S 0
hattori_atsushi	0:f77369cabd75	305	#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, \
hattori_atsushi	0:f77369cabd75	306	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, \
hattori_atsushi	0:f77369cabd75	307	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, \
hattori_atsushi	0:f77369cabd75	308	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}
hattori_atsushi	0:f77369cabd75	309
hattori_atsushi	0:f77369cabd75	310	#elif _CODE_PAGE == 1255 /* Hebrew (Windows) */
hattori_atsushi	0:f77369cabd75	311	#define _DF1S 0
hattori_atsushi	0:f77369cabd75	312	#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, \
hattori_atsushi	0:f77369cabd75	313	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, \
hattori_atsushi	0:f77369cabd75	314	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, \
hattori_atsushi	0:f77369cabd75	315	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}
hattori_atsushi	0:f77369cabd75	316
hattori_atsushi	0:f77369cabd75	317	#elif _CODE_PAGE == 1256 /* Arabic (Windows) */
hattori_atsushi	0:f77369cabd75	318	#define _DF1S 0
hattori_atsushi	0:f77369cabd75	319	#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, \
hattori_atsushi	0:f77369cabd75	320	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, \
hattori_atsushi	0:f77369cabd75	321	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, \
hattori_atsushi	0:f77369cabd75	322	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}
hattori_atsushi	0:f77369cabd75	323
hattori_atsushi	0:f77369cabd75	324	#elif _CODE_PAGE == 1257 /* Baltic (Windows) */
hattori_atsushi	0:f77369cabd75	325	#define _DF1S 0
hattori_atsushi	0:f77369cabd75	326	#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, \
hattori_atsushi	0:f77369cabd75	327	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, \
hattori_atsushi	0:f77369cabd75	328	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, \
hattori_atsushi	0:f77369cabd75	329	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}
hattori_atsushi	0:f77369cabd75	330
hattori_atsushi	0:f77369cabd75	331	#elif _CODE_PAGE == 1258 /* Vietnam (OEM, Windows) */
hattori_atsushi	0:f77369cabd75	332	#define _DF1S 0
hattori_atsushi	0:f77369cabd75	333	#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, \
hattori_atsushi	0:f77369cabd75	334	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, \
hattori_atsushi	0:f77369cabd75	335	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, \
hattori_atsushi	0:f77369cabd75	336	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}
hattori_atsushi	0:f77369cabd75	337
hattori_atsushi	0:f77369cabd75	338	#elif _CODE_PAGE == 1 /* ASCII (for only non-LFN cfg) */
hattori_atsushi	0:f77369cabd75	339	#if _USE_LFN
hattori_atsushi	0:f77369cabd75	340	#error Cannot use LFN feature without valid code page.
hattori_atsushi	0:f77369cabd75	341	#endif
hattori_atsushi	0:f77369cabd75	342	#define _DF1S 0
hattori_atsushi	0:f77369cabd75	343
hattori_atsushi	0:f77369cabd75	344	#else
hattori_atsushi	0:f77369cabd75	345	#error Unknown code page
hattori_atsushi	0:f77369cabd75	346
hattori_atsushi	0:f77369cabd75	347	#endif
hattori_atsushi	0:f77369cabd75	348
hattori_atsushi	0:f77369cabd75	349
hattori_atsushi	0:f77369cabd75	350	/* Character code support macros */
hattori_atsushi	0:f77369cabd75	351	#define IsUpper(c) (((c)>='A')&&((c)<='Z'))
hattori_atsushi	0:f77369cabd75	352	#define IsLower(c) (((c)>='a')&&((c)<='z'))
hattori_atsushi	0:f77369cabd75	353	#define IsDigit(c) (((c)>='0')&&((c)<='9'))
hattori_atsushi	0:f77369cabd75	354
hattori_atsushi	0:f77369cabd75	355	#if _DF1S /* Code page is DBCS */
hattori_atsushi	0:f77369cabd75	356
hattori_atsushi	0:f77369cabd75	357	#ifdef _DF2S /* Two 1st byte areas */
hattori_atsushi	0:f77369cabd75	358	#define IsDBCS1(c) (((BYTE)(c) >= _DF1S && (BYTE)(c) <= _DF1E) \|\| ((BYTE)(c) >= _DF2S && (BYTE)(c) <= _DF2E))
hattori_atsushi	0:f77369cabd75	359	#else /* One 1st byte area */
hattori_atsushi	0:f77369cabd75	360	#define IsDBCS1(c) ((BYTE)(c) >= _DF1S && (BYTE)(c) <= _DF1E)
hattori_atsushi	0:f77369cabd75	361	#endif
hattori_atsushi	0:f77369cabd75	362
hattori_atsushi	0:f77369cabd75	363	#ifdef _DS3S /* Three 2nd byte areas */
hattori_atsushi	0:f77369cabd75	364	#define IsDBCS2(c) (((BYTE)(c) >= _DS1S && (BYTE)(c) <= _DS1E) \|\| ((BYTE)(c) >= _DS2S && (BYTE)(c) <= _DS2E) \|\| ((BYTE)(c) >= _DS3S && (BYTE)(c) <= _DS3E))
hattori_atsushi	0:f77369cabd75	365	#else /* Two 2nd byte areas */
hattori_atsushi	0:f77369cabd75	366	#define IsDBCS2(c) (((BYTE)(c) >= _DS1S && (BYTE)(c) <= _DS1E) \|\| ((BYTE)(c) >= _DS2S && (BYTE)(c) <= _DS2E))
hattori_atsushi	0:f77369cabd75	367	#endif
hattori_atsushi	0:f77369cabd75	368
hattori_atsushi	0:f77369cabd75	369	#else /* Code page is SBCS */
hattori_atsushi	0:f77369cabd75	370
hattori_atsushi	0:f77369cabd75	371	#define IsDBCS1(c) 0
hattori_atsushi	0:f77369cabd75	372	#define IsDBCS2(c) 0
hattori_atsushi	0:f77369cabd75	373
hattori_atsushi	0:f77369cabd75	374	#endif /* _DF1S */
hattori_atsushi	0:f77369cabd75	375
hattori_atsushi	0:f77369cabd75	376
hattori_atsushi	0:f77369cabd75	377	/* Name status flags */
hattori_atsushi	0:f77369cabd75	378	#define NS 11 /* Index of name status byte in fn[] */
hattori_atsushi	0:f77369cabd75	379	#define NS_LOSS 0x01 /* Out of 8.3 format */
hattori_atsushi	0:f77369cabd75	380	#define NS_LFN 0x02 /* Force to create LFN entry */
hattori_atsushi	0:f77369cabd75	381	#define NS_LAST 0x04 /* Last segment */
hattori_atsushi	0:f77369cabd75	382	#define NS_BODY 0x08 /* Lower case flag (body) */
hattori_atsushi	0:f77369cabd75	383	#define NS_EXT 0x10 /* Lower case flag (ext) */
hattori_atsushi	0:f77369cabd75	384	#define NS_DOT 0x20 /* Dot entry */
hattori_atsushi	0:f77369cabd75	385
hattori_atsushi	0:f77369cabd75	386
hattori_atsushi	0:f77369cabd75	387	/* FAT sub-type boundaries */
hattori_atsushi	0:f77369cabd75	388	/* Note that the FAT spec by Microsoft says 4085 but Windows works with 4087! */
hattori_atsushi	0:f77369cabd75	389	#define MIN_FAT16 4086 /* Minimum number of clusters for FAT16 */
hattori_atsushi	0:f77369cabd75	390	#define MIN_FAT32 65526 /* Minimum number of clusters for FAT32 */
hattori_atsushi	0:f77369cabd75	391
hattori_atsushi	0:f77369cabd75	392
hattori_atsushi	0:f77369cabd75	393	/* FatFs refers the members in the FAT structures as byte array instead of
hattori_atsushi	0:f77369cabd75	394	/ structure member because the structure is not binary compatible between
hattori_atsushi	0:f77369cabd75	395	/ different platforms */
hattori_atsushi	0:f77369cabd75	396
hattori_atsushi	0:f77369cabd75	397	#define BS_jmpBoot 0 /* Jump instruction (3) */
hattori_atsushi	0:f77369cabd75	398	#define BS_OEMName 3 /* OEM name (8) */
hattori_atsushi	0:f77369cabd75	399	#define BPB_BytsPerSec 11 /* Sector size [byte] (2) */
hattori_atsushi	0:f77369cabd75	400	#define BPB_SecPerClus 13 /* Cluster size [sector] (1) */
hattori_atsushi	0:f77369cabd75	401	#define BPB_RsvdSecCnt 14 /* Size of reserved area [sector] (2) */
hattori_atsushi	0:f77369cabd75	402	#define BPB_NumFATs 16 /* Number of FAT copies (1) */
hattori_atsushi	0:f77369cabd75	403	#define BPB_RootEntCnt 17 /* Number of root dir entries for FAT12/16 (2) */
hattori_atsushi	0:f77369cabd75	404	#define BPB_TotSec16 19 /* Volume size [sector] (2) */
hattori_atsushi	0:f77369cabd75	405	#define BPB_Media 21 /* Media descriptor (1) */
hattori_atsushi	0:f77369cabd75	406	#define BPB_FATSz16 22 /* FAT size [sector] (2) */
hattori_atsushi	0:f77369cabd75	407	#define BPB_SecPerTrk 24 /* Track size [sector] (2) */
hattori_atsushi	0:f77369cabd75	408	#define BPB_NumHeads 26 /* Number of heads (2) */
hattori_atsushi	0:f77369cabd75	409	#define BPB_HiddSec 28 /* Number of special hidden sectors (4) */
hattori_atsushi	0:f77369cabd75	410	#define BPB_TotSec32 32 /* Volume size [sector] (4) */
hattori_atsushi	0:f77369cabd75	411	#define BS_DrvNum 36 /* Physical drive number (2) */
hattori_atsushi	0:f77369cabd75	412	#define BS_BootSig 38 /* Extended boot signature (1) */
hattori_atsushi	0:f77369cabd75	413	#define BS_VolID 39 /* Volume serial number (4) */
hattori_atsushi	0:f77369cabd75	414	#define BS_VolLab 43 /* Volume label (8) */
hattori_atsushi	0:f77369cabd75	415	#define BS_FilSysType 54 /* File system type (1) */
hattori_atsushi	0:f77369cabd75	416	#define BPB_FATSz32 36 /* FAT size [sector] (4) */
hattori_atsushi	0:f77369cabd75	417	#define BPB_ExtFlags 40 /* Extended flags (2) */
hattori_atsushi	0:f77369cabd75	418	#define BPB_FSVer 42 /* File system version (2) */
hattori_atsushi	0:f77369cabd75	419	#define BPB_RootClus 44 /* Root dir first cluster (4) */
hattori_atsushi	0:f77369cabd75	420	#define BPB_FSInfo 48 /* Offset of FSInfo sector (2) */
hattori_atsushi	0:f77369cabd75	421	#define BPB_BkBootSec 50 /* Offset of backup boot sectot (2) */
hattori_atsushi	0:f77369cabd75	422	#define BS_DrvNum32 64 /* Physical drive number (2) */
hattori_atsushi	0:f77369cabd75	423	#define BS_BootSig32 66 /* Extended boot signature (1) */
hattori_atsushi	0:f77369cabd75	424	#define BS_VolID32 67 /* Volume serial number (4) */
hattori_atsushi	0:f77369cabd75	425	#define BS_VolLab32 71 /* Volume label (8) */
hattori_atsushi	0:f77369cabd75	426	#define BS_FilSysType32 82 /* File system type (1) */
hattori_atsushi	0:f77369cabd75	427	#define FSI_LeadSig 0 /* FSI: Leading signature (4) */
hattori_atsushi	0:f77369cabd75	428	#define FSI_StrucSig 484 /* FSI: Structure signature (4) */
hattori_atsushi	0:f77369cabd75	429	#define FSI_Free_Count 488 /* FSI: Number of free clusters (4) */
hattori_atsushi	0:f77369cabd75	430	#define FSI_Nxt_Free 492 /* FSI: Last allocated cluster (4) */
hattori_atsushi	0:f77369cabd75	431	#define MBR_Table 446 /* MBR: Partition table offset (2) */
hattori_atsushi	0:f77369cabd75	432	#define SZ_PTE 16 /* MBR: Size of a partition table entry */
hattori_atsushi	0:f77369cabd75	433	#define BS_55AA 510 /* Boot sector signature (2) */
hattori_atsushi	0:f77369cabd75	434
hattori_atsushi	0:f77369cabd75	435	#define DIR_Name 0 /* Short file name (11) */
hattori_atsushi	0:f77369cabd75	436	#define DIR_Attr 11 /* Attribute (1) */
hattori_atsushi	0:f77369cabd75	437	#define DIR_NTres 12 /* NT flag (1) */
hattori_atsushi	0:f77369cabd75	438	#define DIR_CrtTime 14 /* Created time (2) */
hattori_atsushi	0:f77369cabd75	439	#define DIR_CrtDate 16 /* Created date (2) */
hattori_atsushi	0:f77369cabd75	440	#define DIR_FstClusHI 20 /* Higher 16-bit of first cluster (2) */
hattori_atsushi	0:f77369cabd75	441	#define DIR_WrtTime 22 /* Modified time (2) */
hattori_atsushi	0:f77369cabd75	442	#define DIR_WrtDate 24 /* Modified date (2) */
hattori_atsushi	0:f77369cabd75	443	#define DIR_FstClusLO 26 /* Lower 16-bit of first cluster (2) */
hattori_atsushi	0:f77369cabd75	444	#define DIR_FileSize 28 /* File size (4) */
hattori_atsushi	0:f77369cabd75	445	#define LDIR_Ord 0 /* LFN entry order and LLE flag (1) */
hattori_atsushi	0:f77369cabd75	446	#define LDIR_Attr 11 /* LFN attribute (1) */
hattori_atsushi	0:f77369cabd75	447	#define LDIR_Type 12 /* LFN type (1) */
hattori_atsushi	0:f77369cabd75	448	#define LDIR_Chksum 13 /* Sum of corresponding SFN entry */
hattori_atsushi	0:f77369cabd75	449	#define LDIR_FstClusLO 26 /* Filled by zero (0) */
hattori_atsushi	0:f77369cabd75	450	#define SZ_DIR 32 /* Size of a directory entry */
hattori_atsushi	0:f77369cabd75	451	#define LLE 0x40 /* Last long entry flag in LDIR_Ord */
hattori_atsushi	0:f77369cabd75	452	#define DDE 0xE5 /* Deleted directory enrty mark in DIR_Name[0] */
hattori_atsushi	0:f77369cabd75	453	#define NDDE 0x05 /* Replacement of a character collides with DDE */
hattori_atsushi	0:f77369cabd75	454
hattori_atsushi	0:f77369cabd75	455
hattori_atsushi	0:f77369cabd75	456	/------------------------------------------------------------/
hattori_atsushi	0:f77369cabd75	457	/* Work area */
hattori_atsushi	0:f77369cabd75	458
hattori_atsushi	0:f77369cabd75	459	#if _VOLUMES
hattori_atsushi	0:f77369cabd75	460	static
hattori_atsushi	0:f77369cabd75	461	FATFS FatFs[_VOLUMES]; / Pointer to the file system objects (logical drives) */
hattori_atsushi	0:f77369cabd75	462	#else
hattori_atsushi	0:f77369cabd75	463	#error Number of drives must not be 0.
hattori_atsushi	0:f77369cabd75	464	#endif
hattori_atsushi	0:f77369cabd75	465
hattori_atsushi	0:f77369cabd75	466	static
hattori_atsushi	0:f77369cabd75	467	WORD Fsid; /* File system mount ID */
hattori_atsushi	0:f77369cabd75	468
hattori_atsushi	0:f77369cabd75	469	#if _FS_RPATH
hattori_atsushi	0:f77369cabd75	470	static
hattori_atsushi	0:f77369cabd75	471	BYTE CurrVol; /* Current drive */
hattori_atsushi	0:f77369cabd75	472	#endif
hattori_atsushi	0:f77369cabd75	473
hattori_atsushi	0:f77369cabd75	474	#if _FS_SHARE
hattori_atsushi	0:f77369cabd75	475	static
hattori_atsushi	0:f77369cabd75	476	FILESEM Files[_FS_SHARE]; /* File lock semaphores */
hattori_atsushi	0:f77369cabd75	477	#endif
hattori_atsushi	0:f77369cabd75	478
hattori_atsushi	0:f77369cabd75	479	#if _USE_LFN == 0 /* No LFN */
hattori_atsushi	0:f77369cabd75	480	#define DEF_NAMEBUF BYTE sfn[12]
hattori_atsushi	0:f77369cabd75	481	#define INIT_BUF(dobj) (dobj).fn = sfn
hattori_atsushi	0:f77369cabd75	482	#define FREE_BUF()
hattori_atsushi	0:f77369cabd75	483
hattori_atsushi	0:f77369cabd75	484	#elif _USE_LFN == 1 /* LFN with static LFN working buffer */
hattori_atsushi	0:f77369cabd75	485	static WCHAR LfnBuf[_MAX_LFN+1];
hattori_atsushi	0:f77369cabd75	486	#define DEF_NAMEBUF BYTE sfn[12]
hattori_atsushi	0:f77369cabd75	487	#define INIT_BUF(dobj) { (dobj).fn = sfn; (dobj).lfn = LfnBuf; }
hattori_atsushi	0:f77369cabd75	488	#define FREE_BUF()
hattori_atsushi	0:f77369cabd75	489
hattori_atsushi	0:f77369cabd75	490	#elif _USE_LFN == 2 /* LFN with dynamic LFN working buffer on the stack */
hattori_atsushi	0:f77369cabd75	491	#define DEF_NAMEBUF BYTE sfn[12]; WCHAR lbuf[_MAX_LFN+1]
hattori_atsushi	0:f77369cabd75	492	#define INIT_BUF(dobj) { (dobj).fn = sfn; (dobj).lfn = lbuf; }
hattori_atsushi	0:f77369cabd75	493	#define FREE_BUF()
hattori_atsushi	0:f77369cabd75	494
hattori_atsushi	0:f77369cabd75	495	#elif _USE_LFN == 3 /* LFN with dynamic LFN working buffer on the heap */
hattori_atsushi	0:f77369cabd75	496	#define DEF_NAMEBUF BYTE sfn[12]; WCHAR *lfn
hattori_atsushi	0:f77369cabd75	497	#define INIT_BUF(dobj) { lfn = ff_memalloc((_MAX_LFN + 1) * 2); \
hattori_atsushi	0:f77369cabd75	498	if (!lfn) LEAVE_FF((dobj).fs, FR_NOT_ENOUGH_CORE); \
hattori_atsushi	0:f77369cabd75	499	(dobj).lfn = lfn; (dobj).fn = sfn; }
hattori_atsushi	0:f77369cabd75	500	#define FREE_BUF() ff_memfree(lfn)
hattori_atsushi	0:f77369cabd75	501
hattori_atsushi	0:f77369cabd75	502	#else
hattori_atsushi	0:f77369cabd75	503	#error Wrong LFN configuration.
hattori_atsushi	0:f77369cabd75	504	#endif
hattori_atsushi	0:f77369cabd75	505
hattori_atsushi	0:f77369cabd75	506
hattori_atsushi	0:f77369cabd75	507
hattori_atsushi	0:f77369cabd75	508
hattori_atsushi	0:f77369cabd75	509	/*--------------------------------------------------------------------------
hattori_atsushi	0:f77369cabd75	510
hattori_atsushi	0:f77369cabd75	511	Module Private Functions
hattori_atsushi	0:f77369cabd75	512
hattori_atsushi	0:f77369cabd75	513	---------------------------------------------------------------------------*/
hattori_atsushi	0:f77369cabd75	514
hattori_atsushi	0:f77369cabd75	515	//static FATFS FatFs[_DRIVES]; / Pointer to the file system objects (logical drives) */
hattori_atsushi	0:f77369cabd75	516	//static WORD fsid; /* File system mount ID */
hattori_atsushi	0:f77369cabd75	517
hattori_atsushi	0:f77369cabd75	518	/-----------------------------------------------------------------------/
hattori_atsushi	0:f77369cabd75	519	/* String functions */
hattori_atsushi	0:f77369cabd75	520	/-----------------------------------------------------------------------/
hattori_atsushi	0:f77369cabd75	521
hattori_atsushi	0:f77369cabd75	522	/* Copy memory to memory */
hattori_atsushi	0:f77369cabd75	523	static
hattori_atsushi	0:f77369cabd75	524	void mem_cpy (void* dst, const void* src, UINT cnt) {
hattori_atsushi	0:f77369cabd75	525	BYTE d = (BYTE)dst;
hattori_atsushi	0:f77369cabd75	526	const BYTE s = (const BYTE)src;
hattori_atsushi	0:f77369cabd75	527
hattori_atsushi	0:f77369cabd75	528	#if _WORD_ACCESS == 1
hattori_atsushi	0:f77369cabd75	529	while (cnt >= sizeof(int)) {
hattori_atsushi	0:f77369cabd75	530	(int)d = (int)s;
hattori_atsushi	0:f77369cabd75	531	d += sizeof(int); s += sizeof(int);
hattori_atsushi	0:f77369cabd75	532	cnt -= sizeof(int);
hattori_atsushi	0:f77369cabd75	533	}
hattori_atsushi	0:f77369cabd75	534	#endif
hattori_atsushi	0:f77369cabd75	535	while (cnt--)
hattori_atsushi	0:f77369cabd75	536	d++ = s++;
hattori_atsushi	0:f77369cabd75	537	}
hattori_atsushi	0:f77369cabd75	538
hattori_atsushi	0:f77369cabd75	539	/* Fill memory */
hattori_atsushi	0:f77369cabd75	540	static
hattori_atsushi	0:f77369cabd75	541	void mem_set (void* dst, int val, UINT cnt) {
hattori_atsushi	0:f77369cabd75	542	BYTE d = (BYTE)dst;
hattori_atsushi	0:f77369cabd75	543
hattori_atsushi	0:f77369cabd75	544	while (cnt--)
hattori_atsushi	0:f77369cabd75	545	*d++ = (BYTE)val;
hattori_atsushi	0:f77369cabd75	546	}
hattori_atsushi	0:f77369cabd75	547
hattori_atsushi	0:f77369cabd75	548	/* Compare memory to memory */
hattori_atsushi	0:f77369cabd75	549	static
hattori_atsushi	0:f77369cabd75	550	int mem_cmp (const void* dst, const void* src, UINT cnt) {
hattori_atsushi	0:f77369cabd75	551	const BYTE d = (const BYTE )dst, s = (const BYTE )src;
hattori_atsushi	0:f77369cabd75	552	int r = 0;
hattori_atsushi	0:f77369cabd75	553
hattori_atsushi	0:f77369cabd75	554	while (cnt-- && (r = d++ - s++) == 0) ;
hattori_atsushi	0:f77369cabd75	555	return r;
hattori_atsushi	0:f77369cabd75	556	}
hattori_atsushi	0:f77369cabd75	557
hattori_atsushi	0:f77369cabd75	558	/* Check if chr is contained in the string */
hattori_atsushi	0:f77369cabd75	559	static
hattori_atsushi	0:f77369cabd75	560	int chk_chr (const char* str, int chr) {
hattori_atsushi	0:f77369cabd75	561	while (str && str != chr) str++;
hattori_atsushi	0:f77369cabd75	562	return *str;
hattori_atsushi	0:f77369cabd75	563	}
hattori_atsushi	0:f77369cabd75	564
hattori_atsushi	0:f77369cabd75	565
hattori_atsushi	0:f77369cabd75	566
hattori_atsushi	0:f77369cabd75	567	/-----------------------------------------------------------------------/
hattori_atsushi	0:f77369cabd75	568	/* Request/Release grant to access the volume */
hattori_atsushi	0:f77369cabd75	569	/-----------------------------------------------------------------------/
hattori_atsushi	0:f77369cabd75	570	#if _FS_REENTRANT
hattori_atsushi	0:f77369cabd75	571
hattori_atsushi	0:f77369cabd75	572	static
hattori_atsushi	0:f77369cabd75	573	int lock_fs (
hattori_atsushi	0:f77369cabd75	574	FATFS fs / File system object */
hattori_atsushi	0:f77369cabd75	575	)
hattori_atsushi	0:f77369cabd75	576	{
hattori_atsushi	0:f77369cabd75	577	return ff_req_grant(fs->sobj);
hattori_atsushi	0:f77369cabd75	578	}
hattori_atsushi	0:f77369cabd75	579
hattori_atsushi	0:f77369cabd75	580
hattori_atsushi	0:f77369cabd75	581	static
hattori_atsushi	0:f77369cabd75	582	void unlock_fs (
hattori_atsushi	0:f77369cabd75	583	FATFS fs, / File system object */
hattori_atsushi	0:f77369cabd75	584	FRESULT res /* Result code to be returned */
hattori_atsushi	0:f77369cabd75	585	)
hattori_atsushi	0:f77369cabd75	586	{
hattori_atsushi	0:f77369cabd75	587	if (res != FR_NOT_ENABLED &&
hattori_atsushi	0:f77369cabd75	588	res != FR_INVALID_DRIVE &&
hattori_atsushi	0:f77369cabd75	589	res != FR_INVALID_OBJECT &&
hattori_atsushi	0:f77369cabd75	590	res != FR_TIMEOUT) {
hattori_atsushi	0:f77369cabd75	591	ff_rel_grant(fs->sobj);
hattori_atsushi	0:f77369cabd75	592	}
hattori_atsushi	0:f77369cabd75	593	}
hattori_atsushi	0:f77369cabd75	594	#endif
hattori_atsushi	0:f77369cabd75	595
hattori_atsushi	0:f77369cabd75	596
hattori_atsushi	0:f77369cabd75	597
hattori_atsushi	0:f77369cabd75	598	/-----------------------------------------------------------------------/
hattori_atsushi	0:f77369cabd75	599	/* File shareing control functions */
hattori_atsushi	0:f77369cabd75	600	/-----------------------------------------------------------------------/
hattori_atsushi	0:f77369cabd75	601	#if _FS_SHARE
hattori_atsushi	0:f77369cabd75	602
hattori_atsushi	0:f77369cabd75	603	static
hattori_atsushi	0:f77369cabd75	604	FRESULT chk_lock ( /* Check if the file can be accessed */
hattori_atsushi	0:f77369cabd75	605	DIR* dj, /* Directory object pointing the file to be checked */
hattori_atsushi	0:f77369cabd75	606	int acc /* Desired access (0:Read, 1:Write, 2:Delete/Rename) */
hattori_atsushi	0:f77369cabd75	607	)
hattori_atsushi	0:f77369cabd75	608	{
hattori_atsushi	0:f77369cabd75	609	UINT i, be;
hattori_atsushi	0:f77369cabd75	610
hattori_atsushi	0:f77369cabd75	611	/* Search file semaphore table */
hattori_atsushi	0:f77369cabd75	612	for (i = be = 0; i < _FS_SHARE; i++) {
hattori_atsushi	0:f77369cabd75	613	if (Files[i].fs) { /* Existing entry */
hattori_atsushi	0:f77369cabd75	614	if (Files[i].fs == dj->fs && /* Check if the file matched with an open file */
hattori_atsushi	0:f77369cabd75	615	Files[i].clu == dj->sclust &&
hattori_atsushi	0:f77369cabd75	616	Files[i].idx == dj->index) break;
hattori_atsushi	0:f77369cabd75	617	} else { /* Blank entry */
hattori_atsushi	0:f77369cabd75	618	be++;
hattori_atsushi	0:f77369cabd75	619	}
hattori_atsushi	0:f77369cabd75	620	}
hattori_atsushi	0:f77369cabd75	621	if (i == _FS_SHARE) /* The file is not opened */
hattori_atsushi	0:f77369cabd75	622	return (be \|\| acc == 2) ? FR_OK : FR_TOO_MANY_OPEN_FILES; /* Is there a blank entry for new file? */
hattori_atsushi	0:f77369cabd75	623
hattori_atsushi	0:f77369cabd75	624	/* The file has been opened. Reject any open against writing file and all write mode open */
hattori_atsushi	0:f77369cabd75	625	return (acc \|\| Files[i].ctr == 0x100) ? FR_LOCKED : FR_OK;
hattori_atsushi	0:f77369cabd75	626	}
hattori_atsushi	0:f77369cabd75	627
hattori_atsushi	0:f77369cabd75	628
hattori_atsushi	0:f77369cabd75	629	static
hattori_atsushi	0:f77369cabd75	630	int enq_lock ( /* Check if an entry is available for a new file */
hattori_atsushi	0:f77369cabd75	631	FATFS* fs /* File system object */
hattori_atsushi	0:f77369cabd75	632	)
hattori_atsushi	0:f77369cabd75	633	{
hattori_atsushi	0:f77369cabd75	634	UINT i;
hattori_atsushi	0:f77369cabd75	635
hattori_atsushi	0:f77369cabd75	636	for (i = 0; i < _FS_SHARE && Files[i].fs; i++) ;
hattori_atsushi	0:f77369cabd75	637	return (i == _FS_SHARE) ? 0 : 1;
hattori_atsushi	0:f77369cabd75	638	}
hattori_atsushi	0:f77369cabd75	639
hattori_atsushi	0:f77369cabd75	640
hattori_atsushi	0:f77369cabd75	641	static
hattori_atsushi	0:f77369cabd75	642	UINT inc_lock ( /* Increment file open counter and returns its index (0:int error) */
hattori_atsushi	0:f77369cabd75	643	DIR* dj, /* Directory object pointing the file to register or increment */
hattori_atsushi	0:f77369cabd75	644	int acc /* Desired access mode (0:Read, !0:Write) */
hattori_atsushi	0:f77369cabd75	645	)
hattori_atsushi	0:f77369cabd75	646	{
hattori_atsushi	0:f77369cabd75	647	UINT i;
hattori_atsushi	0:f77369cabd75	648
hattori_atsushi	0:f77369cabd75	649
hattori_atsushi	0:f77369cabd75	650	for (i = 0; i < _FS_SHARE; i++) { /* Find the file */
hattori_atsushi	0:f77369cabd75	651	if (Files[i].fs == dj->fs &&
hattori_atsushi	0:f77369cabd75	652	Files[i].clu == dj->sclust &&
hattori_atsushi	0:f77369cabd75	653	Files[i].idx == dj->index) break;
hattori_atsushi	0:f77369cabd75	654	}
hattori_atsushi	0:f77369cabd75	655
hattori_atsushi	0:f77369cabd75	656	if (i == _FS_SHARE) { /* Not opened. Register it as new. */
hattori_atsushi	0:f77369cabd75	657	for (i = 0; i < _FS_SHARE && Files[i].fs; i++) ;
hattori_atsushi	0:f77369cabd75	658	if (i == _FS_SHARE) return 0; /* No space to register (int err) */
hattori_atsushi	0:f77369cabd75	659	Files[i].fs = dj->fs;
hattori_atsushi	0:f77369cabd75	660	Files[i].clu = dj->sclust;
hattori_atsushi	0:f77369cabd75	661	Files[i].idx = dj->index;
hattori_atsushi	0:f77369cabd75	662	Files[i].ctr = 0;
hattori_atsushi	0:f77369cabd75	663	}
hattori_atsushi	0:f77369cabd75	664
hattori_atsushi	0:f77369cabd75	665	if (acc && Files[i].ctr) return 0; /* Access violation (int err) */
hattori_atsushi	0:f77369cabd75	666
hattori_atsushi	0:f77369cabd75	667	Files[i].ctr = acc ? 0x100 : Files[i].ctr + 1; /* Set semaphore value */
hattori_atsushi	0:f77369cabd75	668
hattori_atsushi	0:f77369cabd75	669	return i + 1;
hattori_atsushi	0:f77369cabd75	670	}
hattori_atsushi	0:f77369cabd75	671
hattori_atsushi	0:f77369cabd75	672
hattori_atsushi	0:f77369cabd75	673	static
hattori_atsushi	0:f77369cabd75	674	FRESULT dec_lock ( /* Decrement file open counter */
hattori_atsushi	0:f77369cabd75	675	UINT i /* Semaphore index */
hattori_atsushi	0:f77369cabd75	676	)
hattori_atsushi	0:f77369cabd75	677	{
hattori_atsushi	0:f77369cabd75	678	WORD n;
hattori_atsushi	0:f77369cabd75	679	FRESULT res;
hattori_atsushi	0:f77369cabd75	680
hattori_atsushi	0:f77369cabd75	681
hattori_atsushi	0:f77369cabd75	682	if (--i < _FS_SHARE) {
hattori_atsushi	0:f77369cabd75	683	n = Files[i].ctr;
hattori_atsushi	0:f77369cabd75	684	if (n == 0x100) n = 0;
hattori_atsushi	0:f77369cabd75	685	if (n) n--;
hattori_atsushi	0:f77369cabd75	686	Files[i].ctr = n;
hattori_atsushi	0:f77369cabd75	687	if (!n) Files[i].fs = 0;
hattori_atsushi	0:f77369cabd75	688	res = FR_OK;
hattori_atsushi	0:f77369cabd75	689	} else {
hattori_atsushi	0:f77369cabd75	690	res = FR_INT_ERR;
hattori_atsushi	0:f77369cabd75	691	}
hattori_atsushi	0:f77369cabd75	692	return res;
hattori_atsushi	0:f77369cabd75	693	}
hattori_atsushi	0:f77369cabd75	694
hattori_atsushi	0:f77369cabd75	695
hattori_atsushi	0:f77369cabd75	696	static
hattori_atsushi	0:f77369cabd75	697	void clear_lock ( /* Clear lock entries of the volume */
hattori_atsushi	0:f77369cabd75	698	FATFS *fs
hattori_atsushi	0:f77369cabd75	699	)
hattori_atsushi	0:f77369cabd75	700	{
hattori_atsushi	0:f77369cabd75	701	UINT i;
hattori_atsushi	0:f77369cabd75	702
hattori_atsushi	0:f77369cabd75	703	for (i = 0; i < _FS_SHARE; i++) {
hattori_atsushi	0:f77369cabd75	704	if (Files[i].fs == fs) Files[i].fs = 0;
hattori_atsushi	0:f77369cabd75	705	}
hattori_atsushi	0:f77369cabd75	706	}
hattori_atsushi	0:f77369cabd75	707	#endif
hattori_atsushi	0:f77369cabd75	708
hattori_atsushi	0:f77369cabd75	709
hattori_atsushi	0:f77369cabd75	710
hattori_atsushi	0:f77369cabd75	711	/-----------------------------------------------------------------------/
hattori_atsushi	0:f77369cabd75	712	/* Change window offset */
hattori_atsushi	0:f77369cabd75	713	/-----------------------------------------------------------------------/
hattori_atsushi	0:f77369cabd75	714
hattori_atsushi	0:f77369cabd75	715	static
hattori_atsushi	0:f77369cabd75	716	FRESULT move_window (
hattori_atsushi	0:f77369cabd75	717	FATFS fs, / File system object */
hattori_atsushi	0:f77369cabd75	718	DWORD sector /* Sector number to make appearance in the fs->win[] */
hattori_atsushi	0:f77369cabd75	719	) /* Move to zero only writes back dirty window */
hattori_atsushi	0:f77369cabd75	720	{
hattori_atsushi	0:f77369cabd75	721	DWORD wsect;
hattori_atsushi	0:f77369cabd75	722
hattori_atsushi	0:f77369cabd75	723
hattori_atsushi	0:f77369cabd75	724	wsect = fs->winsect;
hattori_atsushi	0:f77369cabd75	725	if (wsect != sector) { /* Changed current window */
hattori_atsushi	0:f77369cabd75	726	#if !_FS_READONLY
hattori_atsushi	0:f77369cabd75	727	if (fs->wflag) { /* Write back dirty window if needed */
hattori_atsushi	0:f77369cabd75	728	if (disk_write(fs->drv, fs->win, wsect, 1) != RES_OK)
hattori_atsushi	0:f77369cabd75	729	return FR_DISK_ERR;
hattori_atsushi	0:f77369cabd75	730	fs->wflag = 0;
hattori_atsushi	0:f77369cabd75	731	if (wsect < (fs->fatbase + fs->fsize)) { /* In FAT area */
hattori_atsushi	0:f77369cabd75	732	BYTE nf;
hattori_atsushi	0:f77369cabd75	733	for (nf = fs->n_fats; nf > 1; nf--) { /* Reflect the change to all FAT copies */
hattori_atsushi	0:f77369cabd75	734	wsect += fs->fsize;
hattori_atsushi	0:f77369cabd75	735	disk_write(fs->drv, fs->win, wsect, 1);
hattori_atsushi	0:f77369cabd75	736	}
hattori_atsushi	0:f77369cabd75	737	}
hattori_atsushi	0:f77369cabd75	738	}
hattori_atsushi	0:f77369cabd75	739	#endif
hattori_atsushi	0:f77369cabd75	740	if (sector) {
hattori_atsushi	0:f77369cabd75	741	if (disk_read(fs->drv, fs->win, sector, 1) != RES_OK)
hattori_atsushi	0:f77369cabd75	742	return FR_DISK_ERR;
hattori_atsushi	0:f77369cabd75	743	fs->winsect = sector;
hattori_atsushi	0:f77369cabd75	744	}
hattori_atsushi	0:f77369cabd75	745	}
hattori_atsushi	0:f77369cabd75	746
hattori_atsushi	0:f77369cabd75	747	return FR_OK;
hattori_atsushi	0:f77369cabd75	748	}
hattori_atsushi	0:f77369cabd75	749
hattori_atsushi	0:f77369cabd75	750
hattori_atsushi	0:f77369cabd75	751
hattori_atsushi	0:f77369cabd75	752
hattori_atsushi	0:f77369cabd75	753	/-----------------------------------------------------------------------/
hattori_atsushi	0:f77369cabd75	754	/* Clean-up cached data */
hattori_atsushi	0:f77369cabd75	755	/-----------------------------------------------------------------------/
hattori_atsushi	0:f77369cabd75	756	#if !_FS_READONLY
hattori_atsushi	0:f77369cabd75	757	static
hattori_atsushi	0:f77369cabd75	758	FRESULT sync ( /* FR_OK: successful, FR_DISK_ERR: failed */
hattori_atsushi	0:f77369cabd75	759	FATFS fs / File system object */
hattori_atsushi	0:f77369cabd75	760	)
hattori_atsushi	0:f77369cabd75	761	{
hattori_atsushi	0:f77369cabd75	762	FRESULT res;
hattori_atsushi	0:f77369cabd75	763
hattori_atsushi	0:f77369cabd75	764
hattori_atsushi	0:f77369cabd75	765	res = move_window(fs, 0);
hattori_atsushi	0:f77369cabd75	766	if (res == FR_OK) {
hattori_atsushi	0:f77369cabd75	767	/* Update FSInfo sector if needed */
hattori_atsushi	0:f77369cabd75	768	if (fs->fs_type == FS_FAT32 && fs->fsi_flag) {
hattori_atsushi	0:f77369cabd75	769	fs->winsect = 0;
hattori_atsushi	0:f77369cabd75	770	/* Create FSInfo structure */
hattori_atsushi	0:f77369cabd75	771	mem_set(fs->win, 0, 512);
hattori_atsushi	0:f77369cabd75	772	ST_WORD(fs->win+BS_55AA, 0xAA55);
hattori_atsushi	0:f77369cabd75	773	ST_DWORD(fs->win+FSI_LeadSig, 0x41615252);
hattori_atsushi	0:f77369cabd75	774	ST_DWORD(fs->win+FSI_StrucSig, 0x61417272);
hattori_atsushi	0:f77369cabd75	775	ST_DWORD(fs->win+FSI_Free_Count, fs->free_clust);
hattori_atsushi	0:f77369cabd75	776	ST_DWORD(fs->win+FSI_Nxt_Free, fs->last_clust);
hattori_atsushi	0:f77369cabd75	777	/* Write it into the FSInfo sector */
hattori_atsushi	0:f77369cabd75	778	disk_write(fs->drv, fs->win, fs->fsi_sector, 1);
hattori_atsushi	0:f77369cabd75	779	fs->fsi_flag = 0;
hattori_atsushi	0:f77369cabd75	780	}
hattori_atsushi	0:f77369cabd75	781	/* Make sure that no pending write process in the physical drive */
hattori_atsushi	0:f77369cabd75	782	if (disk_ioctl(fs->drv, CTRL_SYNC, (void*)0) != RES_OK)
hattori_atsushi	0:f77369cabd75	783	res = FR_DISK_ERR;
hattori_atsushi	0:f77369cabd75	784	}
hattori_atsushi	0:f77369cabd75	785
hattori_atsushi	0:f77369cabd75	786	return res;
hattori_atsushi	0:f77369cabd75	787	}
hattori_atsushi	0:f77369cabd75	788	#endif
hattori_atsushi	0:f77369cabd75	789
hattori_atsushi	0:f77369cabd75	790
hattori_atsushi	0:f77369cabd75	791
hattori_atsushi	0:f77369cabd75	792
hattori_atsushi	0:f77369cabd75	793	/-----------------------------------------------------------------------/
hattori_atsushi	0:f77369cabd75	794	/* Get sector# from cluster# */
hattori_atsushi	0:f77369cabd75	795	/-----------------------------------------------------------------------/
hattori_atsushi	0:f77369cabd75	796
hattori_atsushi	0:f77369cabd75	797
hattori_atsushi	0:f77369cabd75	798	DWORD clust2sect ( /* !=0: Sector number, 0: Failed - invalid cluster# */
hattori_atsushi	0:f77369cabd75	799	FATFS fs, / File system object */
hattori_atsushi	0:f77369cabd75	800	DWORD clst /* Cluster# to be converted */
hattori_atsushi	0:f77369cabd75	801	)
hattori_atsushi	0:f77369cabd75	802	{
hattori_atsushi	0:f77369cabd75	803	clst -= 2;
hattori_atsushi	0:f77369cabd75	804	if (clst >= (fs->n_fatent - 2)) return 0; /* Invalid cluster# */
hattori_atsushi	0:f77369cabd75	805	return clst * fs->csize + fs->database;
hattori_atsushi	0:f77369cabd75	806	}
hattori_atsushi	0:f77369cabd75	807
hattori_atsushi	0:f77369cabd75	808
hattori_atsushi	0:f77369cabd75	809
hattori_atsushi	0:f77369cabd75	810
hattori_atsushi	0:f77369cabd75	811	/-----------------------------------------------------------------------/
hattori_atsushi	0:f77369cabd75	812	/* FAT access - Read value of a FAT entry */
hattori_atsushi	0:f77369cabd75	813	/-----------------------------------------------------------------------/
hattori_atsushi	0:f77369cabd75	814
hattori_atsushi	0:f77369cabd75	815
hattori_atsushi	0:f77369cabd75	816	DWORD get_fat ( /* 0xFFFFFFFF:Disk error, 1:Internal error, Else:Cluster status */
hattori_atsushi	0:f77369cabd75	817	FATFS fs, / File system object */
hattori_atsushi	0:f77369cabd75	818	DWORD clst /* Cluster# to get the link information */
hattori_atsushi	0:f77369cabd75	819	)
hattori_atsushi	0:f77369cabd75	820	{
hattori_atsushi	0:f77369cabd75	821	UINT wc, bc;
hattori_atsushi	0:f77369cabd75	822	BYTE *p;
hattori_atsushi	0:f77369cabd75	823
hattori_atsushi	0:f77369cabd75	824
hattori_atsushi	0:f77369cabd75	825	if (clst < 2 \|\| clst >= fs->n_fatent) /* Chack range */
hattori_atsushi	0:f77369cabd75	826	return 1;
hattori_atsushi	0:f77369cabd75	827
hattori_atsushi	0:f77369cabd75	828	switch (fs->fs_type) {
hattori_atsushi	0:f77369cabd75	829	case FS_FAT12 :
hattori_atsushi	0:f77369cabd75	830	bc = (UINT)clst; bc += bc / 2;
hattori_atsushi	0:f77369cabd75	831	if (move_window(fs, fs->fatbase + (bc / SS(fs)))) break;
hattori_atsushi	0:f77369cabd75	832	wc = fs->win[bc % SS(fs)]; bc++;
hattori_atsushi	0:f77369cabd75	833	if (move_window(fs, fs->fatbase + (bc / SS(fs)))) break;
hattori_atsushi	0:f77369cabd75	834	wc \|= fs->win[bc % SS(fs)] << 8;
hattori_atsushi	0:f77369cabd75	835	return (clst & 1) ? (wc >> 4) : (wc & 0xFFF);
hattori_atsushi	0:f77369cabd75	836
hattori_atsushi	0:f77369cabd75	837	case FS_FAT16 :
hattori_atsushi	0:f77369cabd75	838	if (move_window(fs, fs->fatbase + (clst / (SS(fs) / 2)))) break;
hattori_atsushi	0:f77369cabd75	839	p = &fs->win[clst * 2 % SS(fs)];
hattori_atsushi	0:f77369cabd75	840	return LD_WORD(p);
hattori_atsushi	0:f77369cabd75	841
hattori_atsushi	0:f77369cabd75	842	case FS_FAT32 :
hattori_atsushi	0:f77369cabd75	843	if (move_window(fs, fs->fatbase + (clst / (SS(fs) / 4)))) break;
hattori_atsushi	0:f77369cabd75	844	p = &fs->win[clst * 4 % SS(fs)];
hattori_atsushi	0:f77369cabd75	845	return LD_DWORD(p) & 0x0FFFFFFF;
hattori_atsushi	0:f77369cabd75	846	}
hattori_atsushi	0:f77369cabd75	847
hattori_atsushi	0:f77369cabd75	848	return 0xFFFFFFFF; /* An error occurred at the disk I/O layer */
hattori_atsushi	0:f77369cabd75	849	}
hattori_atsushi	0:f77369cabd75	850
hattori_atsushi	0:f77369cabd75	851
hattori_atsushi	0:f77369cabd75	852
hattori_atsushi	0:f77369cabd75	853
hattori_atsushi	0:f77369cabd75	854	/-----------------------------------------------------------------------/
hattori_atsushi	0:f77369cabd75	855	/* FAT access - Change value of a FAT entry */
hattori_atsushi	0:f77369cabd75	856	/-----------------------------------------------------------------------/
hattori_atsushi	0:f77369cabd75	857	#if !_FS_READONLY
hattori_atsushi	0:f77369cabd75	858
hattori_atsushi	0:f77369cabd75	859	FRESULT put_fat (
hattori_atsushi	0:f77369cabd75	860	FATFS fs, / File system object */
hattori_atsushi	0:f77369cabd75	861	DWORD clst, /* Cluster# to be changed in range of 2 to fs->n_fatent - 1 */
hattori_atsushi	0:f77369cabd75	862	DWORD val /* New value to mark the cluster */
hattori_atsushi	0:f77369cabd75	863	)
hattori_atsushi	0:f77369cabd75	864	{
hattori_atsushi	0:f77369cabd75	865	UINT bc;
hattori_atsushi	0:f77369cabd75	866	BYTE *p;
hattori_atsushi	0:f77369cabd75	867	FRESULT res;
hattori_atsushi	0:f77369cabd75	868
hattori_atsushi	0:f77369cabd75	869
hattori_atsushi	0:f77369cabd75	870	if (clst < 2 \|\| clst >= fs->n_fatent) { /* Check range */
hattori_atsushi	0:f77369cabd75	871	res = FR_INT_ERR;
hattori_atsushi	0:f77369cabd75	872
hattori_atsushi	0:f77369cabd75	873	} else {
hattori_atsushi	0:f77369cabd75	874	switch (fs->fs_type) {
hattori_atsushi	0:f77369cabd75	875	case FS_FAT12 :
hattori_atsushi	0:f77369cabd75	876	bc = clst; bc += bc / 2;
hattori_atsushi	0:f77369cabd75	877	res = move_window(fs, fs->fatbase + (bc / SS(fs)));
hattori_atsushi	0:f77369cabd75	878	if (res != FR_OK) break;
hattori_atsushi	0:f77369cabd75	879	p = &fs->win[bc % SS(fs)];
hattori_atsushi	0:f77369cabd75	880	p = (clst & 1) ? ((p & 0x0F) \| ((BYTE)val << 4)) : (BYTE)val;
hattori_atsushi	0:f77369cabd75	881	bc++;
hattori_atsushi	0:f77369cabd75	882	fs->wflag = 1;
hattori_atsushi	0:f77369cabd75	883	res = move_window(fs, fs->fatbase + (bc / SS(fs)));
hattori_atsushi	0:f77369cabd75	884	if (res != FR_OK) break;
hattori_atsushi	0:f77369cabd75	885	p = &fs->win[bc % SS(fs)];
hattori_atsushi	0:f77369cabd75	886	p = (clst & 1) ? (BYTE)(val >> 4) : ((p & 0xF0) \| ((BYTE)(val >> 8) & 0x0F));
hattori_atsushi	0:f77369cabd75	887	break;
hattori_atsushi	0:f77369cabd75	888
hattori_atsushi	0:f77369cabd75	889	case FS_FAT16 :
hattori_atsushi	0:f77369cabd75	890	res = move_window(fs, fs->fatbase + (clst / (SS(fs) / 2)));
hattori_atsushi	0:f77369cabd75	891	if (res != FR_OK) break;
hattori_atsushi	0:f77369cabd75	892	p = &fs->win[clst * 2 % SS(fs)];
hattori_atsushi	0:f77369cabd75	893	ST_WORD(p, (WORD)val);
hattori_atsushi	0:f77369cabd75	894	break;
hattori_atsushi	0:f77369cabd75	895
hattori_atsushi	0:f77369cabd75	896	case FS_FAT32 :
hattori_atsushi	0:f77369cabd75	897	res = move_window(fs, fs->fatbase + (clst / (SS(fs) / 4)));
hattori_atsushi	0:f77369cabd75	898	if (res != FR_OK) break;
hattori_atsushi	0:f77369cabd75	899	p = &fs->win[clst * 4 % SS(fs)];
hattori_atsushi	0:f77369cabd75	900	val \|= LD_DWORD(p) & 0xF0000000;
hattori_atsushi	0:f77369cabd75	901	ST_DWORD(p, val);
hattori_atsushi	0:f77369cabd75	902	break;
hattori_atsushi	0:f77369cabd75	903
hattori_atsushi	0:f77369cabd75	904	default :
hattori_atsushi	0:f77369cabd75	905	res = FR_INT_ERR;
hattori_atsushi	0:f77369cabd75	906	}
hattori_atsushi	0:f77369cabd75	907	fs->wflag = 1;
hattori_atsushi	0:f77369cabd75	908	}
hattori_atsushi	0:f77369cabd75	909
hattori_atsushi	0:f77369cabd75	910	return res;
hattori_atsushi	0:f77369cabd75	911	}
hattori_atsushi	0:f77369cabd75	912	#endif /* !_FS_READONLY */
hattori_atsushi	0:f77369cabd75	913
hattori_atsushi	0:f77369cabd75	914
hattori_atsushi	0:f77369cabd75	915
hattori_atsushi	0:f77369cabd75	916
hattori_atsushi	0:f77369cabd75	917	/-----------------------------------------------------------------------/
hattori_atsushi	0:f77369cabd75	918	/* FAT handling - Remove a cluster chain */
hattori_atsushi	0:f77369cabd75	919	/-----------------------------------------------------------------------/
hattori_atsushi	0:f77369cabd75	920	#if !_FS_READONLY
hattori_atsushi	0:f77369cabd75	921	static
hattori_atsushi	0:f77369cabd75	922	FRESULT remove_chain (
hattori_atsushi	0:f77369cabd75	923	FATFS fs, / File system object */
hattori_atsushi	0:f77369cabd75	924	DWORD clst /* Cluster# to remove a chain from */
hattori_atsushi	0:f77369cabd75	925	)
hattori_atsushi	0:f77369cabd75	926	{
hattori_atsushi	0:f77369cabd75	927	FRESULT res;
hattori_atsushi	0:f77369cabd75	928	DWORD nxt;
hattori_atsushi	0:f77369cabd75	929	#if _USE_ERASE
hattori_atsushi	0:f77369cabd75	930	DWORD scl = clst, ecl = clst, resion[2];
hattori_atsushi	0:f77369cabd75	931	#endif
hattori_atsushi	0:f77369cabd75	932
hattori_atsushi	0:f77369cabd75	933	if (clst < 2 \|\| clst >= fs->n_fatent) { /* Check range */
hattori_atsushi	0:f77369cabd75	934	res = FR_INT_ERR;
hattori_atsushi	0:f77369cabd75	935
hattori_atsushi	0:f77369cabd75	936	} else {
hattori_atsushi	0:f77369cabd75	937	res = FR_OK;
hattori_atsushi	0:f77369cabd75	938	while (clst < fs->n_fatent) { /* Not a last link? */
hattori_atsushi	0:f77369cabd75	939	nxt = get_fat(fs, clst); /* Get cluster status */
hattori_atsushi	0:f77369cabd75	940	if (nxt == 0) break; /* Empty cluster? */
hattori_atsushi	0:f77369cabd75	941	if (nxt == 1) { res = FR_INT_ERR; break; } /* Internal error? */
hattori_atsushi	0:f77369cabd75	942	if (nxt == 0xFFFFFFFF) { res = FR_DISK_ERR; break; } /* Disk error? */
hattori_atsushi	0:f77369cabd75	943	res = put_fat(fs, clst, 0); /* Mark the cluster "empty" */
hattori_atsushi	0:f77369cabd75	944	if (res != FR_OK) break;
hattori_atsushi	0:f77369cabd75	945	if (fs->free_clust != 0xFFFFFFFF) { /* Update FSInfo */
hattori_atsushi	0:f77369cabd75	946	fs->free_clust++;
hattori_atsushi	0:f77369cabd75	947	fs->fsi_flag = 1;
hattori_atsushi	0:f77369cabd75	948	}
hattori_atsushi	0:f77369cabd75	949	#if _USE_ERASE
hattori_atsushi	0:f77369cabd75	950	if (ecl + 1 == nxt) { /* Next cluster is contiguous */
hattori_atsushi	0:f77369cabd75	951	ecl = nxt;
hattori_atsushi	0:f77369cabd75	952	} else { /* End of contiguous clusters */
hattori_atsushi	0:f77369cabd75	953	resion[0] = clust2sect(fs, scl); /* Start sector */
hattori_atsushi	0:f77369cabd75	954	resion[1] = clust2sect(fs, ecl) + fs->csize - 1; /* End sector */
hattori_atsushi	0:f77369cabd75	955	disk_ioctl(fs->drv, CTRL_ERASE_SECTOR, resion); /* Erase the block */
hattori_atsushi	0:f77369cabd75	956	scl = ecl = nxt;
hattori_atsushi	0:f77369cabd75	957	}
hattori_atsushi	0:f77369cabd75	958	#endif
hattori_atsushi	0:f77369cabd75	959	clst = nxt; /* Next cluster */
hattori_atsushi	0:f77369cabd75	960	}
hattori_atsushi	0:f77369cabd75	961	}
hattori_atsushi	0:f77369cabd75	962
hattori_atsushi	0:f77369cabd75	963	return res;
hattori_atsushi	0:f77369cabd75	964	}
hattori_atsushi	0:f77369cabd75	965	#endif
hattori_atsushi	0:f77369cabd75	966
hattori_atsushi	0:f77369cabd75	967
hattori_atsushi	0:f77369cabd75	968
hattori_atsushi	0:f77369cabd75	969
hattori_atsushi	0:f77369cabd75	970	/-----------------------------------------------------------------------/
hattori_atsushi	0:f77369cabd75	971	/* FAT handling - Stretch or Create a cluster chain */
hattori_atsushi	0:f77369cabd75	972	/-----------------------------------------------------------------------/
hattori_atsushi	0:f77369cabd75	973	#if !_FS_READONLY
hattori_atsushi	0:f77369cabd75	974	static
hattori_atsushi	0:f77369cabd75	975	DWORD create_chain ( /* 0:No free cluster, 1:Internal error, 0xFFFFFFFF:Disk error, >=2:New cluster# */
hattori_atsushi	0:f77369cabd75	976	FATFS fs, / File system object */
hattori_atsushi	0:f77369cabd75	977	DWORD clst /* Cluster# to stretch. 0 means create a new chain. */
hattori_atsushi	0:f77369cabd75	978	)
hattori_atsushi	0:f77369cabd75	979	{
hattori_atsushi	0:f77369cabd75	980	DWORD cs, ncl, scl;
hattori_atsushi	0:f77369cabd75	981	FRESULT res;
hattori_atsushi	0:f77369cabd75	982
hattori_atsushi	0:f77369cabd75	983
hattori_atsushi	0:f77369cabd75	984	if (clst == 0) { /* Create a new chain */
hattori_atsushi	0:f77369cabd75	985	scl = fs->last_clust; /* Get suggested start point */
hattori_atsushi	0:f77369cabd75	986	if (!scl \|\| scl >= fs->n_fatent) scl = 1;
hattori_atsushi	0:f77369cabd75	987	}
hattori_atsushi	0:f77369cabd75	988	else { /* Stretch the current chain */
hattori_atsushi	0:f77369cabd75	989	cs = get_fat(fs, clst); /* Check the cluster status */
hattori_atsushi	0:f77369cabd75	990	if (cs < 2) return 1; /* It is an invalid cluster */
hattori_atsushi	0:f77369cabd75	991	if (cs < fs->n_fatent) return cs; /* It is already followed by next cluster */
hattori_atsushi	0:f77369cabd75	992	scl = clst;
hattori_atsushi	0:f77369cabd75	993	}
hattori_atsushi	0:f77369cabd75	994
hattori_atsushi	0:f77369cabd75	995	ncl = scl; /* Start cluster */
hattori_atsushi	0:f77369cabd75	996	for (;;) {
hattori_atsushi	0:f77369cabd75	997	ncl++; /* Next cluster */
hattori_atsushi	0:f77369cabd75	998	if (ncl >= fs->n_fatent) { /* Wrap around */
hattori_atsushi	0:f77369cabd75	999	ncl = 2;
hattori_atsushi	0:f77369cabd75	1000	if (ncl > scl) return 0; /* No free cluster */
hattori_atsushi	0:f77369cabd75	1001	}
hattori_atsushi	0:f77369cabd75	1002	cs = get_fat(fs, ncl); /* Get the cluster status */
hattori_atsushi	0:f77369cabd75	1003	if (cs == 0) break; /* Found a free cluster */
hattori_atsushi	0:f77369cabd75	1004	if (cs == 0xFFFFFFFF \|\| cs == 1)/* An error occurred */
hattori_atsushi	0:f77369cabd75	1005	return cs;
hattori_atsushi	0:f77369cabd75	1006	if (ncl == scl) return 0; /* No free cluster */
hattori_atsushi	0:f77369cabd75	1007	}
hattori_atsushi	0:f77369cabd75	1008
hattori_atsushi	0:f77369cabd75	1009	res = put_fat(fs, ncl, 0x0FFFFFFF); /* Mark the new cluster "last link" */
hattori_atsushi	0:f77369cabd75	1010	if (res == FR_OK && clst != 0) {
hattori_atsushi	0:f77369cabd75	1011	res = put_fat(fs, clst, ncl); /* Link it to the previous one if needed */
hattori_atsushi	0:f77369cabd75	1012	}
hattori_atsushi	0:f77369cabd75	1013	if (res == FR_OK) {
hattori_atsushi	0:f77369cabd75	1014	fs->last_clust = ncl; /* Update FSINFO */
hattori_atsushi	0:f77369cabd75	1015	if (fs->free_clust != 0xFFFFFFFF) {
hattori_atsushi	0:f77369cabd75	1016	fs->free_clust--;
hattori_atsushi	0:f77369cabd75	1017	fs->fsi_flag = 1;
hattori_atsushi	0:f77369cabd75	1018	}
hattori_atsushi	0:f77369cabd75	1019	} else {
hattori_atsushi	0:f77369cabd75	1020	ncl = (res == FR_DISK_ERR) ? 0xFFFFFFFF : 1;
hattori_atsushi	0:f77369cabd75	1021	}
hattori_atsushi	0:f77369cabd75	1022
hattori_atsushi	0:f77369cabd75	1023	return ncl; /* Return new cluster number or error code */
hattori_atsushi	0:f77369cabd75	1024	}
hattori_atsushi	0:f77369cabd75	1025	#endif /* !_FS_READONLY */
hattori_atsushi	0:f77369cabd75	1026
hattori_atsushi	0:f77369cabd75	1027
hattori_atsushi	0:f77369cabd75	1028
hattori_atsushi	0:f77369cabd75	1029	/-----------------------------------------------------------------------/
hattori_atsushi	0:f77369cabd75	1030	/* FAT handling - Convert offset into cluster with link map table */
hattori_atsushi	0:f77369cabd75	1031	/-----------------------------------------------------------------------/
hattori_atsushi	0:f77369cabd75	1032
hattori_atsushi	0:f77369cabd75	1033	#if _USE_FASTSEEK
hattori_atsushi	0:f77369cabd75	1034	static
hattori_atsushi	0:f77369cabd75	1035	DWORD clmt_clust ( /* <2:Error, >=2:Cluster number */
hattori_atsushi	0:f77369cabd75	1036	FIL* fp, /* Pointer to the file object */
hattori_atsushi	0:f77369cabd75	1037	DWORD ofs /* File offset to be converted to cluster# */
hattori_atsushi	0:f77369cabd75	1038	)
hattori_atsushi	0:f77369cabd75	1039	{
hattori_atsushi	0:f77369cabd75	1040	DWORD cl, ncl, *tbl;
hattori_atsushi	0:f77369cabd75	1041
hattori_atsushi	0:f77369cabd75	1042
hattori_atsushi	0:f77369cabd75	1043	tbl = fp->cltbl + 1; /* Top of CLMT */
hattori_atsushi	0:f77369cabd75	1044	cl = ofs / SS(fp->fs) / fp->fs->csize; /* Cluster order from top of the file */
hattori_atsushi	0:f77369cabd75	1045	for (;;) {
hattori_atsushi	0:f77369cabd75	1046	ncl = tbl++; / Number of cluters in the fragment */
hattori_atsushi	0:f77369cabd75	1047	if (!ncl) return 0; /* End of table? (error) */
hattori_atsushi	0:f77369cabd75	1048	if (cl < ncl) break; /* In this fragment? */
hattori_atsushi	0:f77369cabd75	1049	cl -= ncl; tbl++; /* Next fragment */
hattori_atsushi	0:f77369cabd75	1050	}
hattori_atsushi	0:f77369cabd75	1051	return cl + tbl; / Return the cluster number */
hattori_atsushi	0:f77369cabd75	1052	}
hattori_atsushi	0:f77369cabd75	1053	#endif /* _USE_FASTSEEK */
hattori_atsushi	0:f77369cabd75	1054
hattori_atsushi	0:f77369cabd75	1055
hattori_atsushi	0:f77369cabd75	1056
hattori_atsushi	0:f77369cabd75	1057	/-----------------------------------------------------------------------/
hattori_atsushi	0:f77369cabd75	1058	/* Directory handling - Set directory index */
hattori_atsushi	0:f77369cabd75	1059	/-----------------------------------------------------------------------/
hattori_atsushi	0:f77369cabd75	1060
hattori_atsushi	0:f77369cabd75	1061	static
hattori_atsushi	0:f77369cabd75	1062	FRESULT dir_sdi (
hattori_atsushi	0:f77369cabd75	1063	DIR_t dj, / Pointer to directory object */
hattori_atsushi	0:f77369cabd75	1064	WORD idx /* Directory index number */
hattori_atsushi	0:f77369cabd75	1065	)
hattori_atsushi	0:f77369cabd75	1066	{
hattori_atsushi	0:f77369cabd75	1067	DWORD clst;
hattori_atsushi	0:f77369cabd75	1068	WORD ic;
hattori_atsushi	0:f77369cabd75	1069
hattori_atsushi	0:f77369cabd75	1070
hattori_atsushi	0:f77369cabd75	1071	dj->index = idx;
hattori_atsushi	0:f77369cabd75	1072	clst = dj->sclust;
hattori_atsushi	0:f77369cabd75	1073	if (clst == 1 \|\| clst >= dj->fs->n_fatent) /* Check start cluster range */
hattori_atsushi	0:f77369cabd75	1074	return FR_INT_ERR;
hattori_atsushi	0:f77369cabd75	1075	if (!clst && dj->fs->fs_type == FS_FAT32) /* Replace cluster# 0 with root cluster# if in FAT32 */
hattori_atsushi	0:f77369cabd75	1076	clst = dj->fs->dirbase;
hattori_atsushi	0:f77369cabd75	1077
hattori_atsushi	0:f77369cabd75	1078	if (clst == 0) { /* Static table (root-dir in FAT12/16) */
hattori_atsushi	0:f77369cabd75	1079	dj->clust = clst;
hattori_atsushi	0:f77369cabd75	1080	if (idx >= dj->fs->n_rootdir) /* Index is out of range */
hattori_atsushi	0:f77369cabd75	1081	return FR_INT_ERR;
hattori_atsushi	0:f77369cabd75	1082	dj->sect = dj->fs->dirbase + idx / (SS(dj->fs) / SZ_DIR); /* Sector# */
hattori_atsushi	0:f77369cabd75	1083	}
hattori_atsushi	0:f77369cabd75	1084	else { /* Dynamic table (sub-dirs or root-dir in FAT32) */
hattori_atsushi	0:f77369cabd75	1085	ic = SS(dj->fs) / SZ_DIR * dj->fs->csize; /* Entries per cluster */
hattori_atsushi	0:f77369cabd75	1086	while (idx >= ic) { /* Follow cluster chain */
hattori_atsushi	0:f77369cabd75	1087	clst = get_fat(dj->fs, clst); /* Get next cluster */
hattori_atsushi	0:f77369cabd75	1088	if (clst == 0xFFFFFFFF) return FR_DISK_ERR; /* Disk error */
hattori_atsushi	0:f77369cabd75	1089	if (clst < 2 \|\| clst >= dj->fs->n_fatent) /* Reached to end of table or int error */
hattori_atsushi	0:f77369cabd75	1090	return FR_INT_ERR;
hattori_atsushi	0:f77369cabd75	1091	idx -= ic;
hattori_atsushi	0:f77369cabd75	1092	}
hattori_atsushi	0:f77369cabd75	1093	dj->clust = clst;
hattori_atsushi	0:f77369cabd75	1094	dj->sect = clust2sect(dj->fs, clst) + idx / (SS(dj->fs) / SZ_DIR); /* Sector# */
hattori_atsushi	0:f77369cabd75	1095	}
hattori_atsushi	0:f77369cabd75	1096
hattori_atsushi	0:f77369cabd75	1097	dj->dir = dj->fs->win + (idx % (SS(dj->fs) / SZ_DIR)) * SZ_DIR; /* Ptr to the entry in the sector */
hattori_atsushi	0:f77369cabd75	1098
hattori_atsushi	0:f77369cabd75	1099	return FR_OK; /* Seek succeeded */
hattori_atsushi	0:f77369cabd75	1100	}
hattori_atsushi	0:f77369cabd75	1101
hattori_atsushi	0:f77369cabd75	1102
hattori_atsushi	0:f77369cabd75	1103
hattori_atsushi	0:f77369cabd75	1104
hattori_atsushi	0:f77369cabd75	1105	/-----------------------------------------------------------------------/
hattori_atsushi	0:f77369cabd75	1106	/* Directory handling - Move directory index next */
hattori_atsushi	0:f77369cabd75	1107	/-----------------------------------------------------------------------/
hattori_atsushi	0:f77369cabd75	1108
hattori_atsushi	0:f77369cabd75	1109	static
hattori_atsushi	0:f77369cabd75	1110	FRESULT dir_next ( /* FR_OK:Succeeded, FR_NO_FILE:End of table, FR_DENIED:EOT and could not stretch */
hattori_atsushi	0:f77369cabd75	1111	DIR_t dj, / Pointer to directory object */
hattori_atsushi	0:f77369cabd75	1112	int stretch /* 0: Do not stretch table, 1: Stretch table if needed */
hattori_atsushi	0:f77369cabd75	1113	)
hattori_atsushi	0:f77369cabd75	1114	{
hattori_atsushi	0:f77369cabd75	1115	DWORD clst;
hattori_atsushi	0:f77369cabd75	1116	WORD i;
hattori_atsushi	0:f77369cabd75	1117
hattori_atsushi	0:f77369cabd75	1118
hattori_atsushi	0:f77369cabd75	1119	i = dj->index + 1;
hattori_atsushi	0:f77369cabd75	1120	if (!i \|\| !dj->sect) /* Report EOT when index has reached 65535 */
hattori_atsushi	0:f77369cabd75	1121	return FR_NO_FILE;
hattori_atsushi	0:f77369cabd75	1122
hattori_atsushi	0:f77369cabd75	1123	if (!(i % (SS(dj->fs) / SZ_DIR))) { /* Sector changed? */
hattori_atsushi	0:f77369cabd75	1124	dj->sect++; /* Next sector */
hattori_atsushi	0:f77369cabd75	1125
hattori_atsushi	0:f77369cabd75	1126	if (dj->clust == 0) { /* Static table */
hattori_atsushi	0:f77369cabd75	1127	if (i >= dj->fs->n_rootdir) /* Report EOT when end of table */
hattori_atsushi	0:f77369cabd75	1128	return FR_NO_FILE;
hattori_atsushi	0:f77369cabd75	1129	}
hattori_atsushi	0:f77369cabd75	1130	else { /* Dynamic table */
hattori_atsushi	0:f77369cabd75	1131	if (((i / (SS(dj->fs) / SZ_DIR)) & (dj->fs->csize - 1)) == 0) { /* Cluster changed? */
hattori_atsushi	0:f77369cabd75	1132	clst = get_fat(dj->fs, dj->clust); /* Get next cluster */
hattori_atsushi	0:f77369cabd75	1133	if (clst <= 1) return FR_INT_ERR;
hattori_atsushi	0:f77369cabd75	1134	if (clst == 0xFFFFFFFF) return FR_DISK_ERR;
hattori_atsushi	0:f77369cabd75	1135	if (clst >= dj->fs->n_fatent) { /* When it reached end of dynamic table */
hattori_atsushi	0:f77369cabd75	1136	#if !_FS_READONLY
hattori_atsushi	0:f77369cabd75	1137	BYTE c;
hattori_atsushi	0:f77369cabd75	1138	if (!stretch) return FR_NO_FILE; /* When do not stretch, report EOT */
hattori_atsushi	0:f77369cabd75	1139	clst = create_chain(dj->fs, dj->clust); /* Stretch cluster chain */
hattori_atsushi	0:f77369cabd75	1140	if (clst == 0) return FR_DENIED; /* No free cluster */
hattori_atsushi	0:f77369cabd75	1141	if (clst == 1) return FR_INT_ERR;
hattori_atsushi	0:f77369cabd75	1142	if (clst == 0xFFFFFFFF) return FR_DISK_ERR;
hattori_atsushi	0:f77369cabd75	1143	/* Clean-up stretched table */
hattori_atsushi	0:f77369cabd75	1144	if (move_window(dj->fs, 0)) return FR_DISK_ERR; /* Flush active window */
hattori_atsushi	0:f77369cabd75	1145	mem_set(dj->fs->win, 0, SS(dj->fs)); /* Clear window buffer */
hattori_atsushi	0:f77369cabd75	1146	dj->fs->winsect = clust2sect(dj->fs, clst); /* Cluster start sector */
hattori_atsushi	0:f77369cabd75	1147	for (c = 0; c < dj->fs->csize; c++) { /* Fill the new cluster with 0 */
hattori_atsushi	0:f77369cabd75	1148	dj->fs->wflag = 1;
hattori_atsushi	0:f77369cabd75	1149	if (move_window(dj->fs, 0)) return FR_DISK_ERR;
hattori_atsushi	0:f77369cabd75	1150	dj->fs->winsect++;
hattori_atsushi	0:f77369cabd75	1151	}
hattori_atsushi	0:f77369cabd75	1152	dj->fs->winsect -= c; /* Rewind window address */
hattori_atsushi	0:f77369cabd75	1153	#else
hattori_atsushi	0:f77369cabd75	1154	return FR_NO_FILE; /* Report EOT */
hattori_atsushi	0:f77369cabd75	1155	#endif
hattori_atsushi	0:f77369cabd75	1156	}
hattori_atsushi	0:f77369cabd75	1157	dj->clust = clst; /* Initialize data for new cluster */
hattori_atsushi	0:f77369cabd75	1158	dj->sect = clust2sect(dj->fs, clst);
hattori_atsushi	0:f77369cabd75	1159	}
hattori_atsushi	0:f77369cabd75	1160	}
hattori_atsushi	0:f77369cabd75	1161	}
hattori_atsushi	0:f77369cabd75	1162
hattori_atsushi	0:f77369cabd75	1163	dj->index = i;
hattori_atsushi	0:f77369cabd75	1164	dj->dir = dj->fs->win + (i % (SS(dj->fs) / SZ_DIR)) * SZ_DIR;
hattori_atsushi	0:f77369cabd75	1165
hattori_atsushi	0:f77369cabd75	1166	return FR_OK;
hattori_atsushi	0:f77369cabd75	1167	}
hattori_atsushi	0:f77369cabd75	1168
hattori_atsushi	0:f77369cabd75	1169
hattori_atsushi	0:f77369cabd75	1170
hattori_atsushi	0:f77369cabd75	1171
hattori_atsushi	0:f77369cabd75	1172	/-----------------------------------------------------------------------/
hattori_atsushi	0:f77369cabd75	1173	/* LFN handling - Test/Pick/Fit an LFN segment from/to directory entry */
hattori_atsushi	0:f77369cabd75	1174	/-----------------------------------------------------------------------/
hattori_atsushi	0:f77369cabd75	1175	#if _USE_LFN
hattori_atsushi	0:f77369cabd75	1176	static
hattori_atsushi	0:f77369cabd75	1177	const BYTE LfnOfs[] = {1,3,5,7,9,14,16,18,20,22,24,28,30}; /* Offset of LFN chars in the directory entry */
hattori_atsushi	0:f77369cabd75	1178
hattori_atsushi	0:f77369cabd75	1179
hattori_atsushi	0:f77369cabd75	1180	static
hattori_atsushi	0:f77369cabd75	1181	int cmp_lfn ( /* 1:Matched, 0:Not matched */
hattori_atsushi	0:f77369cabd75	1182	WCHAR lfnbuf, / Pointer to the LFN to be compared */
hattori_atsushi	0:f77369cabd75	1183	BYTE dir / Pointer to the directory entry containing a part of LFN */
hattori_atsushi	0:f77369cabd75	1184	)
hattori_atsushi	0:f77369cabd75	1185	{
hattori_atsushi	0:f77369cabd75	1186	UINT i, s;
hattori_atsushi	0:f77369cabd75	1187	WCHAR wc, uc;
hattori_atsushi	0:f77369cabd75	1188
hattori_atsushi	0:f77369cabd75	1189
hattori_atsushi	0:f77369cabd75	1190	i = ((dir[LDIR_Ord] & ~LLE) - 1) * 13; /* Get offset in the LFN buffer */
hattori_atsushi	0:f77369cabd75	1191	s = 0; wc = 1;
hattori_atsushi	0:f77369cabd75	1192	do {
hattori_atsushi	0:f77369cabd75	1193	uc = LD_WORD(dir+LfnOfs[s]); /* Pick an LFN character from the entry */
hattori_atsushi	0:f77369cabd75	1194	if (wc) { /* Last char has not been processed */
hattori_atsushi	0:f77369cabd75	1195	wc = ff_wtoupper(uc); /* Convert it to upper case */
hattori_atsushi	0:f77369cabd75	1196	if (i >= _MAX_LFN \|\| wc != ff_wtoupper(lfnbuf[i++])) /* Compare it */
hattori_atsushi	0:f77369cabd75	1197	return 0; /* Not matched */
hattori_atsushi	0:f77369cabd75	1198	} else {
hattori_atsushi	0:f77369cabd75	1199	if (uc != 0xFFFF) return 0; /* Check filler */
hattori_atsushi	0:f77369cabd75	1200	}
hattori_atsushi	0:f77369cabd75	1201	} while (++s < 13); /* Repeat until all chars in the entry are checked */
hattori_atsushi	0:f77369cabd75	1202
hattori_atsushi	0:f77369cabd75	1203	if ((dir[LDIR_Ord] & LLE) && wc && lfnbuf[i]) /* Last segment matched but different length */
hattori_atsushi	0:f77369cabd75	1204	return 0;
hattori_atsushi	0:f77369cabd75	1205
hattori_atsushi	0:f77369cabd75	1206	return 1; /* The part of LFN matched */
hattori_atsushi	0:f77369cabd75	1207	}
hattori_atsushi	0:f77369cabd75	1208
hattori_atsushi	0:f77369cabd75	1209
hattori_atsushi	0:f77369cabd75	1210
hattori_atsushi	0:f77369cabd75	1211	static
hattori_atsushi	0:f77369cabd75	1212	int pick_lfn ( /* 1:Succeeded, 0:Buffer overflow */
hattori_atsushi	0:f77369cabd75	1213	WCHAR lfnbuf, / Pointer to the Unicode-LFN buffer */
hattori_atsushi	0:f77369cabd75	1214	BYTE dir / Pointer to the directory entry */
hattori_atsushi	0:f77369cabd75	1215	)
hattori_atsushi	0:f77369cabd75	1216	{
hattori_atsushi	0:f77369cabd75	1217	UINT i, s;
hattori_atsushi	0:f77369cabd75	1218	WCHAR wc, uc;
hattori_atsushi	0:f77369cabd75	1219
hattori_atsushi	0:f77369cabd75	1220
hattori_atsushi	0:f77369cabd75	1221	i = ((dir[LDIR_Ord] & 0x3F) - 1) * 13; /* Offset in the LFN buffer */
hattori_atsushi	0:f77369cabd75	1222
hattori_atsushi	0:f77369cabd75	1223	s = 0; wc = 1;
hattori_atsushi	0:f77369cabd75	1224	do {
hattori_atsushi	0:f77369cabd75	1225	uc = LD_WORD(dir+LfnOfs[s]); /* Pick an LFN character from the entry */
hattori_atsushi	0:f77369cabd75	1226	if (wc) { /* Last char has not been processed */
hattori_atsushi	0:f77369cabd75	1227	if (i >= _MAX_LFN) return 0; /* Buffer overflow? */
hattori_atsushi	0:f77369cabd75	1228	lfnbuf[i++] = wc = uc; /* Store it */
hattori_atsushi	0:f77369cabd75	1229	} else {
hattori_atsushi	0:f77369cabd75	1230	if (uc != 0xFFFF) return 0; /* Check filler */
hattori_atsushi	0:f77369cabd75	1231	}
hattori_atsushi	0:f77369cabd75	1232	} while (++s < 13); /* Read all character in the entry */
hattori_atsushi	0:f77369cabd75	1233
hattori_atsushi	0:f77369cabd75	1234	if (dir[LDIR_Ord] & LLE) { /* Put terminator if it is the last LFN part */
hattori_atsushi	0:f77369cabd75	1235	if (i >= _MAX_LFN) return 0; /* Buffer overflow? */
hattori_atsushi	0:f77369cabd75	1236	lfnbuf[i] = 0;
hattori_atsushi	0:f77369cabd75	1237	}
hattori_atsushi	0:f77369cabd75	1238
hattori_atsushi	0:f77369cabd75	1239	return 1;
hattori_atsushi	0:f77369cabd75	1240	}
hattori_atsushi	0:f77369cabd75	1241
hattori_atsushi	0:f77369cabd75	1242
hattori_atsushi	0:f77369cabd75	1243	#if !_FS_READONLY
hattori_atsushi	0:f77369cabd75	1244	static
hattori_atsushi	0:f77369cabd75	1245	void fit_lfn (
hattori_atsushi	0:f77369cabd75	1246	const WCHAR lfnbuf, / Pointer to the LFN buffer */
hattori_atsushi	0:f77369cabd75	1247	BYTE dir, / Pointer to the directory entry */
hattori_atsushi	0:f77369cabd75	1248	BYTE ord, /* LFN order (1-20) */
hattori_atsushi	0:f77369cabd75	1249	BYTE sum /* SFN sum */
hattori_atsushi	0:f77369cabd75	1250	)
hattori_atsushi	0:f77369cabd75	1251	{
hattori_atsushi	0:f77369cabd75	1252	UINT i, s;
hattori_atsushi	0:f77369cabd75	1253	WCHAR wc;
hattori_atsushi	0:f77369cabd75	1254
hattori_atsushi	0:f77369cabd75	1255
hattori_atsushi	0:f77369cabd75	1256	dir[LDIR_Chksum] = sum; /* Set check sum */
hattori_atsushi	0:f77369cabd75	1257	dir[LDIR_Attr] = AM_LFN; /* Set attribute. LFN entry */
hattori_atsushi	0:f77369cabd75	1258	dir[LDIR_Type] = 0;
hattori_atsushi	0:f77369cabd75	1259	ST_WORD(dir+LDIR_FstClusLO, 0);
hattori_atsushi	0:f77369cabd75	1260
hattori_atsushi	0:f77369cabd75	1261	i = (ord - 1) * 13; /* Get offset in the LFN buffer */
hattori_atsushi	0:f77369cabd75	1262	s = wc = 0;
hattori_atsushi	0:f77369cabd75	1263	do {
hattori_atsushi	0:f77369cabd75	1264	if (wc != 0xFFFF) wc = lfnbuf[i++]; /* Get an effective char */
hattori_atsushi	0:f77369cabd75	1265	ST_WORD(dir+LfnOfs[s], wc); /* Put it */
hattori_atsushi	0:f77369cabd75	1266	if (!wc) wc = 0xFFFF; /* Padding chars following last char */
hattori_atsushi	0:f77369cabd75	1267	} while (++s < 13);
hattori_atsushi	0:f77369cabd75	1268	if (wc == 0xFFFF \|\| !lfnbuf[i]) ord \|= LLE; /* Bottom LFN part is the start of LFN sequence */
hattori_atsushi	0:f77369cabd75	1269	dir[LDIR_Ord] = ord; /* Set the LFN order */
hattori_atsushi	0:f77369cabd75	1270	}
hattori_atsushi	0:f77369cabd75	1271
hattori_atsushi	0:f77369cabd75	1272	#endif
hattori_atsushi	0:f77369cabd75	1273	#endif
hattori_atsushi	0:f77369cabd75	1274
hattori_atsushi	0:f77369cabd75	1275
hattori_atsushi	0:f77369cabd75	1276
hattori_atsushi	0:f77369cabd75	1277	/-----------------------------------------------------------------------/
hattori_atsushi	0:f77369cabd75	1278	/* Create numbered name */
hattori_atsushi	0:f77369cabd75	1279	/-----------------------------------------------------------------------/
hattori_atsushi	0:f77369cabd75	1280	#if _USE_LFN
hattori_atsushi	0:f77369cabd75	1281	void gen_numname (
hattori_atsushi	0:f77369cabd75	1282	BYTE dst, / Pointer to generated SFN */
hattori_atsushi	0:f77369cabd75	1283	const BYTE src, / Pointer to source SFN to be modified */
hattori_atsushi	0:f77369cabd75	1284	const WCHAR lfn, / Pointer to LFN */
hattori_atsushi	0:f77369cabd75	1285	WORD seq /* Sequence number */
hattori_atsushi	0:f77369cabd75	1286	)
hattori_atsushi	0:f77369cabd75	1287	{
hattori_atsushi	0:f77369cabd75	1288	BYTE ns[8], c;
hattori_atsushi	0:f77369cabd75	1289	UINT i, j;
hattori_atsushi	0:f77369cabd75	1290
hattori_atsushi	0:f77369cabd75	1291
hattori_atsushi	0:f77369cabd75	1292	mem_cpy(dst, src, 11);
hattori_atsushi	0:f77369cabd75	1293
hattori_atsushi	0:f77369cabd75	1294	if (seq > 5) { /* On many collisions, generate a hash number instead of sequential number */
hattori_atsushi	0:f77369cabd75	1295	do seq = (seq >> 1) + (seq << 15) + (WORD)lfn++; while (lfn);
hattori_atsushi	0:f77369cabd75	1296	}
hattori_atsushi	0:f77369cabd75	1297
hattori_atsushi	0:f77369cabd75	1298	/* itoa (hexdecimal) */
hattori_atsushi	0:f77369cabd75	1299	i = 7;
hattori_atsushi	0:f77369cabd75	1300	do {
hattori_atsushi	0:f77369cabd75	1301	c = (seq % 16) + '0';
hattori_atsushi	0:f77369cabd75	1302	if (c > '9') c += 7;
hattori_atsushi	0:f77369cabd75	1303	ns[i--] = c;
hattori_atsushi	0:f77369cabd75	1304	seq /= 16;
hattori_atsushi	0:f77369cabd75	1305	} while (seq);
hattori_atsushi	0:f77369cabd75	1306	ns[i] = '~';
hattori_atsushi	0:f77369cabd75	1307
hattori_atsushi	0:f77369cabd75	1308	/* Append the number */
hattori_atsushi	0:f77369cabd75	1309	for (j = 0; j < i && dst[j] != ' '; j++) {
hattori_atsushi	0:f77369cabd75	1310	if (IsDBCS1(dst[j])) {
hattori_atsushi	0:f77369cabd75	1311	if (j == i - 1) break;
hattori_atsushi	0:f77369cabd75	1312	j++;
hattori_atsushi	0:f77369cabd75	1313	}
hattori_atsushi	0:f77369cabd75	1314	}
hattori_atsushi	0:f77369cabd75	1315	do {
hattori_atsushi	0:f77369cabd75	1316	dst[j++] = (i < 8) ? ns[i++] : ' ';
hattori_atsushi	0:f77369cabd75	1317	} while (j < 8);
hattori_atsushi	0:f77369cabd75	1318	}
hattori_atsushi	0:f77369cabd75	1319	#endif
hattori_atsushi	0:f77369cabd75	1320
hattori_atsushi	0:f77369cabd75	1321
hattori_atsushi	0:f77369cabd75	1322
hattori_atsushi	0:f77369cabd75	1323
hattori_atsushi	0:f77369cabd75	1324	/-----------------------------------------------------------------------/
hattori_atsushi	0:f77369cabd75	1325	/* Calculate sum of an SFN */
hattori_atsushi	0:f77369cabd75	1326	/-----------------------------------------------------------------------/
hattori_atsushi	0:f77369cabd75	1327	#if _USE_LFN
hattori_atsushi	0:f77369cabd75	1328	static
hattori_atsushi	0:f77369cabd75	1329	BYTE sum_sfn (
hattori_atsushi	0:f77369cabd75	1330	const BYTE dir / Ptr to directory entry */
hattori_atsushi	0:f77369cabd75	1331	)
hattori_atsushi	0:f77369cabd75	1332	{
hattori_atsushi	0:f77369cabd75	1333	BYTE sum = 0;
hattori_atsushi	0:f77369cabd75	1334	UINT n = 11;
hattori_atsushi	0:f77369cabd75	1335
hattori_atsushi	0:f77369cabd75	1336	do sum = (sum >> 1) + (sum << 7) + *dir++; while (--n);
hattori_atsushi	0:f77369cabd75	1337	return sum;
hattori_atsushi	0:f77369cabd75	1338	}
hattori_atsushi	0:f77369cabd75	1339	#endif
hattori_atsushi	0:f77369cabd75	1340
hattori_atsushi	0:f77369cabd75	1341
hattori_atsushi	0:f77369cabd75	1342
hattori_atsushi	0:f77369cabd75	1343
hattori_atsushi	0:f77369cabd75	1344	/-----------------------------------------------------------------------/
hattori_atsushi	0:f77369cabd75	1345	/* Directory handling - Find an object in the directory */
hattori_atsushi	0:f77369cabd75	1346	/-----------------------------------------------------------------------/
hattori_atsushi	0:f77369cabd75	1347
hattori_atsushi	0:f77369cabd75	1348	static
hattori_atsushi	0:f77369cabd75	1349	FRESULT dir_find (
hattori_atsushi	0:f77369cabd75	1350	DIR_t dj / Pointer to the directory object linked to the file name */
hattori_atsushi	0:f77369cabd75	1351	)
hattori_atsushi	0:f77369cabd75	1352	{
hattori_atsushi	0:f77369cabd75	1353	FRESULT res;
hattori_atsushi	0:f77369cabd75	1354	BYTE c, *dir;
hattori_atsushi	0:f77369cabd75	1355	#if _USE_LFN
hattori_atsushi	0:f77369cabd75	1356	BYTE a, ord, sum;
hattori_atsushi	0:f77369cabd75	1357	#endif
hattori_atsushi	0:f77369cabd75	1358
hattori_atsushi	0:f77369cabd75	1359	res = dir_sdi(dj, 0); /* Rewind directory object */
hattori_atsushi	0:f77369cabd75	1360	if (res != FR_OK) return res;
hattori_atsushi	0:f77369cabd75	1361
hattori_atsushi	0:f77369cabd75	1362	#if _USE_LFN
hattori_atsushi	0:f77369cabd75	1363	ord = sum = 0xFF;
hattori_atsushi	0:f77369cabd75	1364	#endif
hattori_atsushi	0:f77369cabd75	1365	do {
hattori_atsushi	0:f77369cabd75	1366	res = move_window(dj->fs, dj->sect);
hattori_atsushi	0:f77369cabd75	1367	if (res != FR_OK) break;
hattori_atsushi	0:f77369cabd75	1368	dir = dj->dir; /* Ptr to the directory entry of current index */
hattori_atsushi	0:f77369cabd75	1369	c = dir[DIR_Name];
hattori_atsushi	0:f77369cabd75	1370	if (c == 0) { res = FR_NO_FILE; break; } /* Reached to end of table */
hattori_atsushi	0:f77369cabd75	1371	#if _USE_LFN /* LFN configuration */
hattori_atsushi	0:f77369cabd75	1372	a = dir[DIR_Attr] & AM_MASK;
hattori_atsushi	0:f77369cabd75	1373	if (c == DDE \|\| ((a & AM_VOL) && a != AM_LFN)) { /* An entry without valid data */
hattori_atsushi	0:f77369cabd75	1374	ord = 0xFF;
hattori_atsushi	0:f77369cabd75	1375	} else {
hattori_atsushi	0:f77369cabd75	1376	if (a == AM_LFN) { /* An LFN entry is found */
hattori_atsushi	0:f77369cabd75	1377	if (dj->lfn) {
hattori_atsushi	0:f77369cabd75	1378	if (c & LLE) { /* Is it start of LFN sequence? */
hattori_atsushi	0:f77369cabd75	1379	sum = dir[LDIR_Chksum];
hattori_atsushi	0:f77369cabd75	1380	c &= ~LLE; ord = c; /* LFN start order */
hattori_atsushi	0:f77369cabd75	1381	dj->lfn_idx = dj->index;
hattori_atsushi	0:f77369cabd75	1382	}
hattori_atsushi	0:f77369cabd75	1383	/* Check validity of the LFN entry and compare it with given name */
hattori_atsushi	0:f77369cabd75	1384	ord = (c == ord && sum == dir[LDIR_Chksum] && cmp_lfn(dj->lfn, dir)) ? ord - 1 : 0xFF;
hattori_atsushi	0:f77369cabd75	1385	}
hattori_atsushi	0:f77369cabd75	1386	} else { /* An SFN entry is found */
hattori_atsushi	0:f77369cabd75	1387	if (!ord && sum == sum_sfn(dir)) break; /* LFN matched? */
hattori_atsushi	0:f77369cabd75	1388	ord = 0xFF; dj->lfn_idx = 0xFFFF; /* Reset LFN sequence */
hattori_atsushi	0:f77369cabd75	1389	if (!(dj->fn[NS] & NS_LOSS) && !mem_cmp(dir, dj->fn, 11)) break; /* SFN matched? */
hattori_atsushi	0:f77369cabd75	1390	}
hattori_atsushi	0:f77369cabd75	1391	}
hattori_atsushi	0:f77369cabd75	1392	#else /* Non LFN configuration */
hattori_atsushi	0:f77369cabd75	1393	if (!(dir[DIR_Attr] & AM_VOL) && !mem_cmp(dir, dj->fn, 11)) /* Is it a valid entry? */
hattori_atsushi	0:f77369cabd75	1394	break;
hattori_atsushi	0:f77369cabd75	1395	#endif
hattori_atsushi	0:f77369cabd75	1396	res = dir_next(dj, 0); /* Next entry */
hattori_atsushi	0:f77369cabd75	1397	} while (res == FR_OK);
hattori_atsushi	0:f77369cabd75	1398
hattori_atsushi	0:f77369cabd75	1399	return res;
hattori_atsushi	0:f77369cabd75	1400	}
hattori_atsushi	0:f77369cabd75	1401
hattori_atsushi	0:f77369cabd75	1402
hattori_atsushi	0:f77369cabd75	1403
hattori_atsushi	0:f77369cabd75	1404
hattori_atsushi	0:f77369cabd75	1405	/-----------------------------------------------------------------------/
hattori_atsushi	0:f77369cabd75	1406	/* Read an object from the directory */
hattori_atsushi	0:f77369cabd75	1407	/-----------------------------------------------------------------------/
hattori_atsushi	0:f77369cabd75	1408	#if _FS_MINIMIZE <= 1
hattori_atsushi	0:f77369cabd75	1409	static
hattori_atsushi	0:f77369cabd75	1410	FRESULT dir_read (
hattori_atsushi	0:f77369cabd75	1411	DIR_t dj / Pointer to the directory object that pointing the entry to be read */
hattori_atsushi	0:f77369cabd75	1412	)
hattori_atsushi	0:f77369cabd75	1413	{
hattori_atsushi	0:f77369cabd75	1414	FRESULT res;
hattori_atsushi	0:f77369cabd75	1415	BYTE c, *dir;
hattori_atsushi	0:f77369cabd75	1416	#if _USE_LFN
hattori_atsushi	0:f77369cabd75	1417	BYTE a, ord = 0xFF, sum = 0xFF;
hattori_atsushi	0:f77369cabd75	1418	#endif
hattori_atsushi	0:f77369cabd75	1419
hattori_atsushi	0:f77369cabd75	1420	res = FR_NO_FILE;
hattori_atsushi	0:f77369cabd75	1421	while (dj->sect) {
hattori_atsushi	0:f77369cabd75	1422	res = move_window(dj->fs, dj->sect);
hattori_atsushi	0:f77369cabd75	1423	if (res != FR_OK) break;
hattori_atsushi	0:f77369cabd75	1424	dir = dj->dir; /* Ptr to the directory entry of current index */
hattori_atsushi	0:f77369cabd75	1425	c = dir[DIR_Name];
hattori_atsushi	0:f77369cabd75	1426	if (c == 0) { res = FR_NO_FILE; break; } /* Reached to end of table */
hattori_atsushi	0:f77369cabd75	1427	#if _USE_LFN /* LFN configuration */
hattori_atsushi	0:f77369cabd75	1428	a = dir[DIR_Attr] & AM_MASK;
hattori_atsushi	0:f77369cabd75	1429	if (c == DDE \|\| (!_FS_RPATH && c == '.') \|\| ((a & AM_VOL) && a != AM_LFN)) { /* An entry without valid data */
hattori_atsushi	0:f77369cabd75	1430	ord = 0xFF;
hattori_atsushi	0:f77369cabd75	1431	} else {
hattori_atsushi	0:f77369cabd75	1432	if (a == AM_LFN) { /* An LFN entry is found */
hattori_atsushi	0:f77369cabd75	1433	if (c & LLE) { /* Is it start of LFN sequence? */
hattori_atsushi	0:f77369cabd75	1434	sum = dir[LDIR_Chksum];
hattori_atsushi	0:f77369cabd75	1435	c &= ~LLE; ord = c;
hattori_atsushi	0:f77369cabd75	1436	dj->lfn_idx = dj->index;
hattori_atsushi	0:f77369cabd75	1437	}
hattori_atsushi	0:f77369cabd75	1438	/* Check LFN validity and capture it */
hattori_atsushi	0:f77369cabd75	1439	ord = (c == ord && sum == dir[LDIR_Chksum] && pick_lfn(dj->lfn, dir)) ? ord - 1 : 0xFF;
hattori_atsushi	0:f77369cabd75	1440	} else { /* An SFN entry is found */
hattori_atsushi	0:f77369cabd75	1441	if (ord \|\| sum != sum_sfn(dir)) /* Is there a valid LFN? */
hattori_atsushi	0:f77369cabd75	1442	dj->lfn_idx = 0xFFFF; /* It has no LFN. */
hattori_atsushi	0:f77369cabd75	1443	break;
hattori_atsushi	0:f77369cabd75	1444	}
hattori_atsushi	0:f77369cabd75	1445	}
hattori_atsushi	0:f77369cabd75	1446	#else /* Non LFN configuration */
hattori_atsushi	0:f77369cabd75	1447	if (c != DDE && (_FS_RPATH \|\| c != '.') && !(dir[DIR_Attr] & AM_VOL)) /* Is it a valid entry? */
hattori_atsushi	0:f77369cabd75	1448	break;
hattori_atsushi	0:f77369cabd75	1449	#endif
hattori_atsushi	0:f77369cabd75	1450	res = dir_next(dj, 0); /* Next entry */
hattori_atsushi	0:f77369cabd75	1451	if (res != FR_OK) break;
hattori_atsushi	0:f77369cabd75	1452	}
hattori_atsushi	0:f77369cabd75	1453
hattori_atsushi	0:f77369cabd75	1454	if (res != FR_OK) dj->sect = 0;
hattori_atsushi	0:f77369cabd75	1455
hattori_atsushi	0:f77369cabd75	1456	return res;
hattori_atsushi	0:f77369cabd75	1457	}
hattori_atsushi	0:f77369cabd75	1458	#endif
hattori_atsushi	0:f77369cabd75	1459
hattori_atsushi	0:f77369cabd75	1460
hattori_atsushi	0:f77369cabd75	1461
hattori_atsushi	0:f77369cabd75	1462	/-----------------------------------------------------------------------/
hattori_atsushi	0:f77369cabd75	1463	/* Register an object to the directory */
hattori_atsushi	0:f77369cabd75	1464	/-----------------------------------------------------------------------/
hattori_atsushi	0:f77369cabd75	1465	#if !_FS_READONLY
hattori_atsushi	0:f77369cabd75	1466	static
hattori_atsushi	0:f77369cabd75	1467	FRESULT dir_register ( /* FR_OK:Successful, FR_DENIED:No free entry or too many SFN collision, FR_DISK_ERR:Disk error */
hattori_atsushi	0:f77369cabd75	1468	DIR_t dj / Target directory with object name to be created */
hattori_atsushi	0:f77369cabd75	1469	)
hattori_atsushi	0:f77369cabd75	1470	{
hattori_atsushi	0:f77369cabd75	1471	FRESULT res;
hattori_atsushi	0:f77369cabd75	1472	BYTE c, *dir;
hattori_atsushi	0:f77369cabd75	1473	#if _USE_LFN /* LFN configuration */
hattori_atsushi	0:f77369cabd75	1474	WORD n, ne, is;
hattori_atsushi	0:f77369cabd75	1475	BYTE sn[12], *fn, sum;
hattori_atsushi	0:f77369cabd75	1476	WCHAR *lfn;
hattori_atsushi	0:f77369cabd75	1477
hattori_atsushi	0:f77369cabd75	1478
hattori_atsushi	0:f77369cabd75	1479	fn = dj->fn; lfn = dj->lfn;
hattori_atsushi	0:f77369cabd75	1480	mem_cpy(sn, fn, 12);
hattori_atsushi	0:f77369cabd75	1481
hattori_atsushi	0:f77369cabd75	1482	if (_FS_RPATH && (sn[NS] & NS_DOT)) /* Cannot create dot entry */
hattori_atsushi	0:f77369cabd75	1483	return FR_INVALID_NAME;
hattori_atsushi	0:f77369cabd75	1484
hattori_atsushi	0:f77369cabd75	1485	if (sn[NS] & NS_LOSS) { /* When LFN is out of 8.3 format, generate a numbered name */
hattori_atsushi	0:f77369cabd75	1486	fn[NS] = 0; dj->lfn = 0; /* Find only SFN */
hattori_atsushi	0:f77369cabd75	1487	for (n = 1; n < 100; n++) {
hattori_atsushi	0:f77369cabd75	1488	gen_numname(fn, sn, lfn, n); /* Generate a numbered name */
hattori_atsushi	0:f77369cabd75	1489	res = dir_find(dj); /* Check if the name collides with existing SFN */
hattori_atsushi	0:f77369cabd75	1490	if (res != FR_OK) break;
hattori_atsushi	0:f77369cabd75	1491	}
hattori_atsushi	0:f77369cabd75	1492	if (n == 100) return FR_DENIED; /* Abort if too many collisions */
hattori_atsushi	0:f77369cabd75	1493	if (res != FR_NO_FILE) return res; /* Abort if the result is other than 'not collided' */
hattori_atsushi	0:f77369cabd75	1494	fn[NS] = sn[NS]; dj->lfn = lfn;
hattori_atsushi	0:f77369cabd75	1495	}
hattori_atsushi	0:f77369cabd75	1496
hattori_atsushi	0:f77369cabd75	1497	if (sn[NS] & NS_LFN) { /* When LFN is to be created, reserve an SFN + LFN entries. */
hattori_atsushi	0:f77369cabd75	1498	for (ne = 0; lfn[ne]; ne++) ;
hattori_atsushi	0:f77369cabd75	1499	ne = (ne + 25) / 13;
hattori_atsushi	0:f77369cabd75	1500	} else { /* Otherwise reserve only an SFN entry. */
hattori_atsushi	0:f77369cabd75	1501	ne = 1;
hattori_atsushi	0:f77369cabd75	1502	}
hattori_atsushi	0:f77369cabd75	1503
hattori_atsushi	0:f77369cabd75	1504	/* Reserve contiguous entries */
hattori_atsushi	0:f77369cabd75	1505	res = dir_sdi(dj, 0);
hattori_atsushi	0:f77369cabd75	1506	if (res != FR_OK) return res;
hattori_atsushi	0:f77369cabd75	1507	n = is = 0;
hattori_atsushi	0:f77369cabd75	1508	do {
hattori_atsushi	0:f77369cabd75	1509	res = move_window(dj->fs, dj->sect);
hattori_atsushi	0:f77369cabd75	1510	if (res != FR_OK) break;
hattori_atsushi	0:f77369cabd75	1511	c = dj->dir; / Check the entry status */
hattori_atsushi	0:f77369cabd75	1512	if (c == DDE \|\| c == 0) { /* Is it a blank entry? */
hattori_atsushi	0:f77369cabd75	1513	if (n == 0) is = dj->index; /* First index of the contiguous entry */
hattori_atsushi	0:f77369cabd75	1514	if (++n == ne) break; /* A contiguous entry that required count is found */
hattori_atsushi	0:f77369cabd75	1515	} else {
hattori_atsushi	0:f77369cabd75	1516	n = 0; /* Not a blank entry. Restart to search */
hattori_atsushi	0:f77369cabd75	1517	}
hattori_atsushi	0:f77369cabd75	1518	res = dir_next(dj, 1); /* Next entry with table stretch */
hattori_atsushi	0:f77369cabd75	1519	} while (res == FR_OK);
hattori_atsushi	0:f77369cabd75	1520
hattori_atsushi	0:f77369cabd75	1521	if (res == FR_OK && ne > 1) { /* Initialize LFN entry if needed */
hattori_atsushi	0:f77369cabd75	1522	res = dir_sdi(dj, is);
hattori_atsushi	0:f77369cabd75	1523	if (res == FR_OK) {
hattori_atsushi	0:f77369cabd75	1524	sum = sum_sfn(dj->fn); /* Sum of the SFN tied to the LFN */
hattori_atsushi	0:f77369cabd75	1525	ne--;
hattori_atsushi	0:f77369cabd75	1526	do { /* Store LFN entries in bottom first */
hattori_atsushi	0:f77369cabd75	1527	res = move_window(dj->fs, dj->sect);
hattori_atsushi	0:f77369cabd75	1528	if (res != FR_OK) break;
hattori_atsushi	0:f77369cabd75	1529	fit_lfn(dj->lfn, dj->dir, (BYTE)ne, sum);
hattori_atsushi	0:f77369cabd75	1530	dj->fs->wflag = 1;
hattori_atsushi	0:f77369cabd75	1531	res = dir_next(dj, 0); /* Next entry */
hattori_atsushi	0:f77369cabd75	1532	} while (res == FR_OK && --ne);
hattori_atsushi	0:f77369cabd75	1533	}
hattori_atsushi	0:f77369cabd75	1534	}
hattori_atsushi	0:f77369cabd75	1535
hattori_atsushi	0:f77369cabd75	1536	#else /* Non LFN configuration */
hattori_atsushi	0:f77369cabd75	1537	res = dir_sdi(dj, 0);
hattori_atsushi	0:f77369cabd75	1538	if (res == FR_OK) {
hattori_atsushi	0:f77369cabd75	1539	do { /* Find a blank entry for the SFN */
hattori_atsushi	0:f77369cabd75	1540	res = move_window(dj->fs, dj->sect);
hattori_atsushi	0:f77369cabd75	1541	if (res != FR_OK) break;
hattori_atsushi	0:f77369cabd75	1542	c = *dj->dir;
hattori_atsushi	0:f77369cabd75	1543	if (c == DDE \|\| c == 0) break; /* Is it a blank entry? */
hattori_atsushi	0:f77369cabd75	1544	res = dir_next(dj, 1); /* Next entry with table stretch */
hattori_atsushi	0:f77369cabd75	1545	} while (res == FR_OK);
hattori_atsushi	0:f77369cabd75	1546	}
hattori_atsushi	0:f77369cabd75	1547	#endif
hattori_atsushi	0:f77369cabd75	1548
hattori_atsushi	0:f77369cabd75	1549	if (res == FR_OK) { /* Initialize the SFN entry */
hattori_atsushi	0:f77369cabd75	1550	res = move_window(dj->fs, dj->sect);
hattori_atsushi	0:f77369cabd75	1551	if (res == FR_OK) {
hattori_atsushi	0:f77369cabd75	1552	dir = dj->dir;
hattori_atsushi	0:f77369cabd75	1553	mem_set(dir, 0, SZ_DIR); /* Clean the entry */
hattori_atsushi	0:f77369cabd75	1554	mem_cpy(dir, dj->fn, 11); /* Put SFN */
hattori_atsushi	0:f77369cabd75	1555	#if _USE_LFN
hattori_atsushi	0:f77369cabd75	1556	dir[DIR_NTres] = (dj->fn+NS) & (NS_BODY \| NS_EXT); / Put NT flag */
hattori_atsushi	0:f77369cabd75	1557	#endif
hattori_atsushi	0:f77369cabd75	1558	dj->fs->wflag = 1;
hattori_atsushi	0:f77369cabd75	1559	}
hattori_atsushi	0:f77369cabd75	1560	}
hattori_atsushi	0:f77369cabd75	1561
hattori_atsushi	0:f77369cabd75	1562	return res;
hattori_atsushi	0:f77369cabd75	1563	}
hattori_atsushi	0:f77369cabd75	1564	#endif /* !_FS_READONLY */
hattori_atsushi	0:f77369cabd75	1565
hattori_atsushi	0:f77369cabd75	1566
hattori_atsushi	0:f77369cabd75	1567
hattori_atsushi	0:f77369cabd75	1568
hattori_atsushi	0:f77369cabd75	1569	/-----------------------------------------------------------------------/
hattori_atsushi	0:f77369cabd75	1570	/* Remove an object from the directory */
hattori_atsushi	0:f77369cabd75	1571	/-----------------------------------------------------------------------/
hattori_atsushi	0:f77369cabd75	1572	#if !_FS_READONLY && !_FS_MINIMIZE
hattori_atsushi	0:f77369cabd75	1573	static
hattori_atsushi	0:f77369cabd75	1574	FRESULT dir_remove ( /* FR_OK: Successful, FR_DISK_ERR: A disk error */
hattori_atsushi	0:f77369cabd75	1575	DIR_t dj / Directory object pointing the entry to be removed */
hattori_atsushi	0:f77369cabd75	1576	)
hattori_atsushi	0:f77369cabd75	1577	{
hattori_atsushi	0:f77369cabd75	1578	FRESULT res;
hattori_atsushi	0:f77369cabd75	1579	#if _USE_LFN /* LFN configuration */
hattori_atsushi	0:f77369cabd75	1580	WORD i;
hattori_atsushi	0:f77369cabd75	1581
hattori_atsushi	0:f77369cabd75	1582	i = dj->index; /* SFN index */
hattori_atsushi	0:f77369cabd75	1583	res = dir_sdi(dj, (WORD)((dj->lfn_idx == 0xFFFF) ? i : dj->lfn_idx)); /* Goto the SFN or top of the LFN entries */
hattori_atsushi	0:f77369cabd75	1584	if (res == FR_OK) {
hattori_atsushi	0:f77369cabd75	1585	do {
hattori_atsushi	0:f77369cabd75	1586	res = move_window(dj->fs, dj->sect);
hattori_atsushi	0:f77369cabd75	1587	if (res != FR_OK) break;
hattori_atsushi	0:f77369cabd75	1588	dj->dir = DDE; / Mark the entry "deleted" */
hattori_atsushi	0:f77369cabd75	1589	dj->fs->wflag = 1;
hattori_atsushi	0:f77369cabd75	1590	if (dj->index >= i) break; /* When reached SFN, all entries of the object has been deleted. */
hattori_atsushi	0:f77369cabd75	1591	res = dir_next(dj, 0); /* Next entry */
hattori_atsushi	0:f77369cabd75	1592	} while (res == FR_OK);
hattori_atsushi	0:f77369cabd75	1593	if (res == FR_NO_FILE) res = FR_INT_ERR;
hattori_atsushi	0:f77369cabd75	1594	}
hattori_atsushi	0:f77369cabd75	1595
hattori_atsushi	0:f77369cabd75	1596	#else /* Non LFN configuration */
hattori_atsushi	0:f77369cabd75	1597	res = dir_sdi(dj, dj->index);
hattori_atsushi	0:f77369cabd75	1598	if (res == FR_OK) {
hattori_atsushi	0:f77369cabd75	1599	res = move_window(dj->fs, dj->sect);
hattori_atsushi	0:f77369cabd75	1600	if (res == FR_OK) {
hattori_atsushi	0:f77369cabd75	1601	dj->dir = DDE; / Mark the entry "deleted" */
hattori_atsushi	0:f77369cabd75	1602	dj->fs->wflag = 1;
hattori_atsushi	0:f77369cabd75	1603	}
hattori_atsushi	0:f77369cabd75	1604	}
hattori_atsushi	0:f77369cabd75	1605	#endif
hattori_atsushi	0:f77369cabd75	1606
hattori_atsushi	0:f77369cabd75	1607	return res;
hattori_atsushi	0:f77369cabd75	1608	}
hattori_atsushi	0:f77369cabd75	1609	#endif /* !_FS_READONLY */
hattori_atsushi	0:f77369cabd75	1610
hattori_atsushi	0:f77369cabd75	1611
hattori_atsushi	0:f77369cabd75	1612
hattori_atsushi	0:f77369cabd75	1613
hattori_atsushi	0:f77369cabd75	1614	/-----------------------------------------------------------------------/
hattori_atsushi	0:f77369cabd75	1615	/* Pick a segment and create the object name in directory form */
hattori_atsushi	0:f77369cabd75	1616	/-----------------------------------------------------------------------/
hattori_atsushi	0:f77369cabd75	1617
hattori_atsushi	0:f77369cabd75	1618	static
hattori_atsushi	0:f77369cabd75	1619	FRESULT create_name (
hattori_atsushi	0:f77369cabd75	1620	DIR_t dj, / Pointer to the directory object */
hattori_atsushi	0:f77369cabd75	1621	const TCHAR *path / Pointer to pointer to the segment in the path string */
hattori_atsushi	0:f77369cabd75	1622	)
hattori_atsushi	0:f77369cabd75	1623	{
hattori_atsushi	0:f77369cabd75	1624	#ifdef _EXCVT
hattori_atsushi	0:f77369cabd75	1625	static const BYTE excvt[] = _EXCVT; /* Upper conversion table for extended chars */
hattori_atsushi	0:f77369cabd75	1626	#endif
hattori_atsushi	0:f77369cabd75	1627
hattori_atsushi	0:f77369cabd75	1628	#if _USE_LFN /* LFN configuration */
hattori_atsushi	0:f77369cabd75	1629	BYTE b, cf;
hattori_atsushi	0:f77369cabd75	1630	WCHAR w, *lfn;
hattori_atsushi	0:f77369cabd75	1631	UINT i, ni, si, di;
hattori_atsushi	0:f77369cabd75	1632	const TCHAR *p;
hattori_atsushi	0:f77369cabd75	1633
hattori_atsushi	0:f77369cabd75	1634	/* Create LFN in Unicode */
hattori_atsushi	0:f77369cabd75	1635	for (p = path; p == '/' \|\| p == '\\'; p++) ; / Strip duplicated separator */
hattori_atsushi	0:f77369cabd75	1636	lfn = dj->lfn;
hattori_atsushi	0:f77369cabd75	1637	si = di = 0;
hattori_atsushi	0:f77369cabd75	1638	for (;;) {
hattori_atsushi	0:f77369cabd75	1639	w = p[si++]; /* Get a character */
hattori_atsushi	0:f77369cabd75	1640	if (w < ' ' \|\| w == '/' \|\| w == '\\') break; /* Break on end of segment */
hattori_atsushi	0:f77369cabd75	1641	if (di >= _MAX_LFN) /* Reject too long name */
hattori_atsushi	0:f77369cabd75	1642	return FR_INVALID_NAME;
hattori_atsushi	0:f77369cabd75	1643	#if !_LFN_UNICODE
hattori_atsushi	0:f77369cabd75	1644	w &= 0xFF;
hattori_atsushi	0:f77369cabd75	1645	if (IsDBCS1(w)) { /* Check if it is a DBC 1st byte (always false on SBCS cfg) */
hattori_atsushi	0:f77369cabd75	1646	b = (BYTE)p[si++]; /* Get 2nd byte */
hattori_atsushi	0:f77369cabd75	1647	if (!IsDBCS2(b))
hattori_atsushi	0:f77369cabd75	1648	return FR_INVALID_NAME; /* Reject invalid sequence */
hattori_atsushi	0:f77369cabd75	1649	w = (w << 8) + b; /* Create a DBC */
hattori_atsushi	0:f77369cabd75	1650	}
hattori_atsushi	0:f77369cabd75	1651	w = ff_convert(w, 1); /* Convert ANSI/OEM to Unicode */
hattori_atsushi	0:f77369cabd75	1652	if (!w) return FR_INVALID_NAME; /* Reject invalid code */
hattori_atsushi	0:f77369cabd75	1653	#endif
hattori_atsushi	0:f77369cabd75	1654	if (w < 0x80 && chk_chr("\":<>\?\|\x7F", w)) / Reject illegal chars for LFN */
hattori_atsushi	0:f77369cabd75	1655	return FR_INVALID_NAME;
hattori_atsushi	0:f77369cabd75	1656	lfn[di++] = w; /* Store the Unicode char */
hattori_atsushi	0:f77369cabd75	1657	}
hattori_atsushi	0:f77369cabd75	1658	path = &p[si]; / Return pointer to the next segment */
hattori_atsushi	0:f77369cabd75	1659	cf = (w < ' ') ? NS_LAST : 0; /* Set last segment flag if end of path */
hattori_atsushi	0:f77369cabd75	1660	#if _FS_RPATH
hattori_atsushi	0:f77369cabd75	1661	if ((di == 1 && lfn[di-1] == '.') \|\| /* Is this a dot entry? */
hattori_atsushi	0:f77369cabd75	1662	(di == 2 && lfn[di-1] == '.' && lfn[di-2] == '.')) {
hattori_atsushi	0:f77369cabd75	1663	lfn[di] = 0;
hattori_atsushi	0:f77369cabd75	1664	for (i = 0; i < 11; i++)
hattori_atsushi	0:f77369cabd75	1665	dj->fn[i] = (i < di) ? '.' : ' ';
hattori_atsushi	0:f77369cabd75	1666	dj->fn[i] = cf \| NS_DOT; /* This is a dot entry */
hattori_atsushi	0:f77369cabd75	1667	return FR_OK;
hattori_atsushi	0:f77369cabd75	1668	}
hattori_atsushi	0:f77369cabd75	1669	#endif
hattori_atsushi	0:f77369cabd75	1670	while (di) { /* Strip trailing spaces and dots */
hattori_atsushi	0:f77369cabd75	1671	w = lfn[di-1];
hattori_atsushi	0:f77369cabd75	1672	if (w != ' ' && w != '.') break;
hattori_atsushi	0:f77369cabd75	1673	di--;
hattori_atsushi	0:f77369cabd75	1674	}
hattori_atsushi	0:f77369cabd75	1675	if (!di) return FR_INVALID_NAME; /* Reject nul string */
hattori_atsushi	0:f77369cabd75	1676
hattori_atsushi	0:f77369cabd75	1677	lfn[di] = 0; /* LFN is created */
hattori_atsushi	0:f77369cabd75	1678
hattori_atsushi	0:f77369cabd75	1679	/* Create SFN in directory form */
hattori_atsushi	0:f77369cabd75	1680	mem_set(dj->fn, ' ', 11);
hattori_atsushi	0:f77369cabd75	1681	for (si = 0; lfn[si] == ' ' \|\| lfn[si] == '.'; si++) ; /* Strip leading spaces and dots */
hattori_atsushi	0:f77369cabd75	1682	if (si) cf \|= NS_LOSS \| NS_LFN;
hattori_atsushi	0:f77369cabd75	1683	while (di && lfn[di - 1] != '.') di--; /* Find extension (di<=si: no extension) */
hattori_atsushi	0:f77369cabd75	1684
hattori_atsushi	0:f77369cabd75	1685	b = i = 0; ni = 8;
hattori_atsushi	0:f77369cabd75	1686	for (;;) {
hattori_atsushi	0:f77369cabd75	1687	w = lfn[si++]; /* Get an LFN char */
hattori_atsushi	0:f77369cabd75	1688	if (!w) break; /* Break on end of the LFN */
hattori_atsushi	0:f77369cabd75	1689	if (w == ' ' \|\| (w == '.' && si != di)) { /* Remove spaces and dots */
hattori_atsushi	0:f77369cabd75	1690	cf \|= NS_LOSS \| NS_LFN; continue;
hattori_atsushi	0:f77369cabd75	1691	}
hattori_atsushi	0:f77369cabd75	1692
hattori_atsushi	0:f77369cabd75	1693	if (i >= ni \|\| si == di) { /* Extension or end of SFN */
hattori_atsushi	0:f77369cabd75	1694	if (ni == 11) { /* Long extension */
hattori_atsushi	0:f77369cabd75	1695	cf \|= NS_LOSS \| NS_LFN; break;
hattori_atsushi	0:f77369cabd75	1696	}
hattori_atsushi	0:f77369cabd75	1697	if (si != di) cf \|= NS_LOSS \| NS_LFN; /* Out of 8.3 format */
hattori_atsushi	0:f77369cabd75	1698	if (si > di) break; /* No extension */
hattori_atsushi	0:f77369cabd75	1699	si = di; i = 8; ni = 11; /* Enter extension section */
hattori_atsushi	0:f77369cabd75	1700	b <<= 2; continue;
hattori_atsushi	0:f77369cabd75	1701	}
hattori_atsushi	0:f77369cabd75	1702
hattori_atsushi	0:f77369cabd75	1703	if (w >= 0x80) { /* Non ASCII char */
hattori_atsushi	0:f77369cabd75	1704	#ifdef _EXCVT
hattori_atsushi	0:f77369cabd75	1705	w = ff_convert(w, 0); /* Unicode -> OEM code */
hattori_atsushi	0:f77369cabd75	1706	if (w) w = excvt[w - 0x80]; /* Convert extended char to upper (SBCS) */
hattori_atsushi	0:f77369cabd75	1707	#else
hattori_atsushi	0:f77369cabd75	1708	w = ff_convert(ff_wtoupper(w), 0); /* Upper converted Unicode -> OEM code */
hattori_atsushi	0:f77369cabd75	1709	#endif
hattori_atsushi	0:f77369cabd75	1710	cf \|= NS_LFN; /* Force create LFN entry */
hattori_atsushi	0:f77369cabd75	1711	}
hattori_atsushi	0:f77369cabd75	1712
hattori_atsushi	0:f77369cabd75	1713	if (_DF1S && w >= 0x100) { /* Double byte char (always false on SBCS cfg) */
hattori_atsushi	0:f77369cabd75	1714	if (i >= ni - 1) {
hattori_atsushi	0:f77369cabd75	1715	cf \|= NS_LOSS \| NS_LFN; i = ni; continue;
hattori_atsushi	0:f77369cabd75	1716	}
hattori_atsushi	0:f77369cabd75	1717	dj->fn[i++] = (BYTE)(w >> 8);
hattori_atsushi	0:f77369cabd75	1718	} else { /* Single byte char */
hattori_atsushi	0:f77369cabd75	1719	if (!w \|\| chk_chr("+,;=[]", w)) { /* Replace illegal chars for SFN */
hattori_atsushi	0:f77369cabd75	1720	w = '_'; cf \|= NS_LOSS \| NS_LFN;/* Lossy conversion */
hattori_atsushi	0:f77369cabd75	1721	} else {
hattori_atsushi	0:f77369cabd75	1722	if (IsUpper(w)) { /* ASCII large capital */
hattori_atsushi	0:f77369cabd75	1723	b \|= 2;
hattori_atsushi	0:f77369cabd75	1724	} else {
hattori_atsushi	0:f77369cabd75	1725	if (IsLower(w)) { /* ASCII small capital */
hattori_atsushi	0:f77369cabd75	1726	b \|= 1; w -= 0x20;
hattori_atsushi	0:f77369cabd75	1727	}
hattori_atsushi	0:f77369cabd75	1728	}
hattori_atsushi	0:f77369cabd75	1729	}
hattori_atsushi	0:f77369cabd75	1730	}
hattori_atsushi	0:f77369cabd75	1731	dj->fn[i++] = (BYTE)w;
hattori_atsushi	0:f77369cabd75	1732	}
hattori_atsushi	0:f77369cabd75	1733
hattori_atsushi	0:f77369cabd75	1734	if (dj->fn[0] == DDE) dj->fn[0] = NDDE; /* If the first char collides with deleted mark, replace it with 0x05 */
hattori_atsushi	0:f77369cabd75	1735
hattori_atsushi	0:f77369cabd75	1736	if (ni == 8) b <<= 2;
hattori_atsushi	0:f77369cabd75	1737	if ((b & 0x0C) == 0x0C \|\| (b & 0x03) == 0x03) /* Create LFN entry when there are composite capitals */
hattori_atsushi	0:f77369cabd75	1738	cf \|= NS_LFN;
hattori_atsushi	0:f77369cabd75	1739	if (!(cf & NS_LFN)) { /* When LFN is in 8.3 format without extended char, NT flags are created */
hattori_atsushi	0:f77369cabd75	1740	if ((b & 0x03) == 0x01) cf \|= NS_EXT; /* NT flag (Extension has only small capital) */
hattori_atsushi	0:f77369cabd75	1741	if ((b & 0x0C) == 0x04) cf \|= NS_BODY; /* NT flag (Filename has only small capital) */
hattori_atsushi	0:f77369cabd75	1742	}
hattori_atsushi	0:f77369cabd75	1743
hattori_atsushi	0:f77369cabd75	1744	dj->fn[NS] = cf; /* SFN is created */
hattori_atsushi	0:f77369cabd75	1745
hattori_atsushi	0:f77369cabd75	1746	return FR_OK;
hattori_atsushi	0:f77369cabd75	1747
hattori_atsushi	0:f77369cabd75	1748
hattori_atsushi	0:f77369cabd75	1749	#else /* Non-LFN configuration */
hattori_atsushi	0:f77369cabd75	1750	BYTE b, c, d, *sfn;
hattori_atsushi	0:f77369cabd75	1751	UINT ni, si, i;
hattori_atsushi	0:f77369cabd75	1752	const char *p;
hattori_atsushi	0:f77369cabd75	1753
hattori_atsushi	0:f77369cabd75	1754	/* Create file name in directory form */
hattori_atsushi	0:f77369cabd75	1755	for (p = path; p == '/' \|\| p == '\\'; p++) ; / Strip duplicated separator */
hattori_atsushi	0:f77369cabd75	1756	sfn = dj->fn;
hattori_atsushi	0:f77369cabd75	1757	mem_set(sfn, ' ', 11);
hattori_atsushi	0:f77369cabd75	1758	si = i = b = 0; ni = 8;
hattori_atsushi	0:f77369cabd75	1759	#if _FS_RPATH
hattori_atsushi	0:f77369cabd75	1760	if (p[si] == '.') { /* Is this a dot entry? */
hattori_atsushi	0:f77369cabd75	1761	for (;;) {
hattori_atsushi	0:f77369cabd75	1762	c = (BYTE)p[si++];
hattori_atsushi	0:f77369cabd75	1763	if (c != '.' \|\| si >= 3) break;
hattori_atsushi	0:f77369cabd75	1764	sfn[i++] = c;
hattori_atsushi	0:f77369cabd75	1765	}
hattori_atsushi	0:f77369cabd75	1766	if (c != '/' && c != '\\' && c > ' ') return FR_INVALID_NAME;
hattori_atsushi	0:f77369cabd75	1767	path = &p[si]; / Return pointer to the next segment */
hattori_atsushi	0:f77369cabd75	1768	sfn[NS] = (c <= ' ') ? NS_LAST \| NS_DOT : NS_DOT; /* Set last segment flag if end of path */
hattori_atsushi	0:f77369cabd75	1769	return FR_OK;
hattori_atsushi	0:f77369cabd75	1770	}
hattori_atsushi	0:f77369cabd75	1771	#endif
hattori_atsushi	0:f77369cabd75	1772	for (;;) {
hattori_atsushi	0:f77369cabd75	1773	c = (BYTE)p[si++];
hattori_atsushi	0:f77369cabd75	1774	if (c <= ' ' \|\| c == '/' \|\| c == '\\') break; /* Break on end of segment */
hattori_atsushi	0:f77369cabd75	1775	if (c == '.' \|\| i >= ni) {
hattori_atsushi	0:f77369cabd75	1776	if (ni != 8 \|\| c != '.') return FR_INVALID_NAME;
hattori_atsushi	0:f77369cabd75	1777	i = 8; ni = 11;
hattori_atsushi	0:f77369cabd75	1778	b <<= 2; continue;
hattori_atsushi	0:f77369cabd75	1779	}
hattori_atsushi	0:f77369cabd75	1780	if (c >= 0x80) { /* Extended char? */
hattori_atsushi	0:f77369cabd75	1781	b \|= 3; /* Eliminate NT flag */
hattori_atsushi	0:f77369cabd75	1782	#ifdef _EXCVT
hattori_atsushi	0:f77369cabd75	1783	c = excvt[c-0x80]; /* Upper conversion (SBCS) */
hattori_atsushi	0:f77369cabd75	1784	#else
hattori_atsushi	0:f77369cabd75	1785	#if !_DF1S /* ASCII only cfg */
hattori_atsushi	0:f77369cabd75	1786	return FR_INVALID_NAME;
hattori_atsushi	0:f77369cabd75	1787	#endif
hattori_atsushi	0:f77369cabd75	1788	#endif
hattori_atsushi	0:f77369cabd75	1789	}
hattori_atsushi	0:f77369cabd75	1790	if (IsDBCS1(c)) { /* Check if it is a DBC 1st byte (always false on SBCS cfg) */
hattori_atsushi	0:f77369cabd75	1791	d = (BYTE)p[si++]; /* Get 2nd byte */
hattori_atsushi	0:f77369cabd75	1792	if (!IsDBCS2(d) \|\| i >= ni - 1) /* Reject invalid DBC */
hattori_atsushi	0:f77369cabd75	1793	return FR_INVALID_NAME;
hattori_atsushi	0:f77369cabd75	1794	sfn[i++] = c;
hattori_atsushi	0:f77369cabd75	1795	sfn[i++] = d;
hattori_atsushi	0:f77369cabd75	1796	} else { /* Single byte code */
hattori_atsushi	0:f77369cabd75	1797	if (chk_chr("\"+,:;<=>\?[]\|\x7F", c)) / Reject illegal chrs for SFN */
hattori_atsushi	0:f77369cabd75	1798	return FR_INVALID_NAME;
hattori_atsushi	0:f77369cabd75	1799	if (IsUpper(c)) { /* ASCII large capital? */
hattori_atsushi	0:f77369cabd75	1800	b \|= 2;
hattori_atsushi	0:f77369cabd75	1801	} else {
hattori_atsushi	0:f77369cabd75	1802	if (IsLower(c)) { /* ASCII small capital? */
hattori_atsushi	0:f77369cabd75	1803	b \|= 1; c -= 0x20;
hattori_atsushi	0:f77369cabd75	1804	}
hattori_atsushi	0:f77369cabd75	1805	}
hattori_atsushi	0:f77369cabd75	1806	sfn[i++] = c;
hattori_atsushi	0:f77369cabd75	1807	}
hattori_atsushi	0:f77369cabd75	1808	}
hattori_atsushi	0:f77369cabd75	1809	path = &p[si]; / Return pointer to the next segment */
hattori_atsushi	0:f77369cabd75	1810	c = (c <= ' ') ? NS_LAST : 0; /* Set last segment flag if end of path */
hattori_atsushi	0:f77369cabd75	1811
hattori_atsushi	0:f77369cabd75	1812	if (!i) return FR_INVALID_NAME; /* Reject nul string */
hattori_atsushi	0:f77369cabd75	1813	if (sfn[0] == DDE) sfn[0] = NDDE; /* When first char collides with DDE, replace it with 0x05 */
hattori_atsushi	0:f77369cabd75	1814
hattori_atsushi	0:f77369cabd75	1815	if (ni == 8) b <<= 2;
hattori_atsushi	0:f77369cabd75	1816	if ((b & 0x03) == 0x01) c \|= NS_EXT; /* NT flag (Name extension has only small capital) */
hattori_atsushi	0:f77369cabd75	1817	if ((b & 0x0C) == 0x04) c \|= NS_BODY; /* NT flag (Name body has only small capital) */
hattori_atsushi	0:f77369cabd75	1818
hattori_atsushi	0:f77369cabd75	1819	sfn[NS] = c; /* Store NT flag, File name is created */
hattori_atsushi	0:f77369cabd75	1820
hattori_atsushi	0:f77369cabd75	1821	return FR_OK;
hattori_atsushi	0:f77369cabd75	1822	#endif
hattori_atsushi	0:f77369cabd75	1823	}
hattori_atsushi	0:f77369cabd75	1824
hattori_atsushi	0:f77369cabd75	1825
hattori_atsushi	0:f77369cabd75	1826
hattori_atsushi	0:f77369cabd75	1827
hattori_atsushi	0:f77369cabd75	1828	/-----------------------------------------------------------------------/
hattori_atsushi	0:f77369cabd75	1829	/* Get file information from directory entry */
hattori_atsushi	0:f77369cabd75	1830	/-----------------------------------------------------------------------/
hattori_atsushi	0:f77369cabd75	1831	#if _FS_MINIMIZE <= 1
hattori_atsushi	0:f77369cabd75	1832	static
hattori_atsushi	0:f77369cabd75	1833	void get_fileinfo ( /* No return code */
hattori_atsushi	0:f77369cabd75	1834	DIR_t dj, / Pointer to the directory object */
hattori_atsushi	0:f77369cabd75	1835	FILINFO fno / Pointer to the file information to be filled */
hattori_atsushi	0:f77369cabd75	1836	)
hattori_atsushi	0:f77369cabd75	1837	{
hattori_atsushi	0:f77369cabd75	1838	UINT i;
hattori_atsushi	0:f77369cabd75	1839	BYTE nt, *dir;
hattori_atsushi	0:f77369cabd75	1840	TCHAR *p, c;
hattori_atsushi	0:f77369cabd75	1841	p = fno->fname;
hattori_atsushi	0:f77369cabd75	1842
hattori_atsushi	0:f77369cabd75	1843	if (dj->sect) {
hattori_atsushi	0:f77369cabd75	1844	dir = dj->dir;
hattori_atsushi	0:f77369cabd75	1845	nt = dir[DIR_NTres]; /* NT flag */
hattori_atsushi	0:f77369cabd75	1846	for (i = 0; i < 8; i++) { /* Copy name body */
hattori_atsushi	0:f77369cabd75	1847	c = dir[i];
hattori_atsushi	0:f77369cabd75	1848	if (c == ' ') break;
hattori_atsushi	0:f77369cabd75	1849	if (c == NDDE) c = (TCHAR)DDE;
hattori_atsushi	0:f77369cabd75	1850	if (_USE_LFN && (nt & NS_BODY) && IsUpper(c)) c += 0x20;
hattori_atsushi	0:f77369cabd75	1851	#if _LFN_UNICODE
hattori_atsushi	0:f77369cabd75	1852	if (IsDBCS1(c) && i < 7 && IsDBCS2(dir[i+1]))
hattori_atsushi	0:f77369cabd75	1853	c = (c << 8) \| dir[++i];
hattori_atsushi	0:f77369cabd75	1854	c = ff_convert(c, 1);
hattori_atsushi	0:f77369cabd75	1855	if (!c) c = '?';
hattori_atsushi	0:f77369cabd75	1856	#endif
hattori_atsushi	0:f77369cabd75	1857	*p++ = c;
hattori_atsushi	0:f77369cabd75	1858	}
hattori_atsushi	0:f77369cabd75	1859	if (dir[8] != ' ') { /* Copy name extension */
hattori_atsushi	0:f77369cabd75	1860	*p++ = '.';
hattori_atsushi	0:f77369cabd75	1861	for (i = 8; i < 11; i++) {
hattori_atsushi	0:f77369cabd75	1862	c = dir[i];
hattori_atsushi	0:f77369cabd75	1863	if (c == ' ') break;
hattori_atsushi	0:f77369cabd75	1864	if (_USE_LFN && (nt & NS_EXT) && IsUpper(c)) c += 0x20;
hattori_atsushi	0:f77369cabd75	1865	#if _LFN_UNICODE
hattori_atsushi	0:f77369cabd75	1866	if (IsDBCS1(c) && i < 10 && IsDBCS2(dir[i+1]))
hattori_atsushi	0:f77369cabd75	1867	c = (c << 8) \| dir[++i];
hattori_atsushi	0:f77369cabd75	1868	c = ff_convert(c, 1);
hattori_atsushi	0:f77369cabd75	1869	if (!c) c = '?';
hattori_atsushi	0:f77369cabd75	1870	#endif
hattori_atsushi	0:f77369cabd75	1871	*p++ = c;
hattori_atsushi	0:f77369cabd75	1872	}
hattori_atsushi	0:f77369cabd75	1873	}
hattori_atsushi	0:f77369cabd75	1874	fno->fattrib = dir[DIR_Attr]; /* Attribute */
hattori_atsushi	0:f77369cabd75	1875	fno->fsize = LD_DWORD(dir+DIR_FileSize); /* Size */
hattori_atsushi	0:f77369cabd75	1876	fno->fdate = LD_WORD(dir+DIR_WrtDate); /* Date */
hattori_atsushi	0:f77369cabd75	1877	fno->ftime = LD_WORD(dir+DIR_WrtTime); /* Time */
hattori_atsushi	0:f77369cabd75	1878	}
hattori_atsushi	0:f77369cabd75	1879	p = 0; / Terminate SFN str by a \0 */
hattori_atsushi	0:f77369cabd75	1880
hattori_atsushi	0:f77369cabd75	1881	#if _USE_LFN
hattori_atsushi	0:f77369cabd75	1882	if (fno->lfname && fno->lfsize) {
hattori_atsushi	0:f77369cabd75	1883	TCHAR *tp = fno->lfname;
hattori_atsushi	0:f77369cabd75	1884	WCHAR w, *lfn;
hattori_atsushi	0:f77369cabd75	1885
hattori_atsushi	0:f77369cabd75	1886	i = 0;
hattori_atsushi	0:f77369cabd75	1887	if (dj->sect && dj->lfn_idx != 0xFFFF) {/* Get LFN if available */
hattori_atsushi	0:f77369cabd75	1888	lfn = dj->lfn;
hattori_atsushi	0:f77369cabd75	1889	while ((w = lfn++) != 0) { / Get an LFN char */
hattori_atsushi	0:f77369cabd75	1890	#if !_LFN_UNICODE
hattori_atsushi	0:f77369cabd75	1891	w = ff_convert(w, 0); /* Unicode -> OEM conversion */
hattori_atsushi	0:f77369cabd75	1892	if (!w) { i = 0; break; } /* Could not convert, no LFN */
hattori_atsushi	0:f77369cabd75	1893	if (_DF1S && w >= 0x100) /* Put 1st byte if it is a DBC (always false on SBCS cfg) */
hattori_atsushi	0:f77369cabd75	1894	tp[i++] = (TCHAR)(w >> 8);
hattori_atsushi	0:f77369cabd75	1895	#endif
hattori_atsushi	0:f77369cabd75	1896	if (i >= fno->lfsize - 1) { i = 0; break; } /* Buffer overflow, no LFN */
hattori_atsushi	0:f77369cabd75	1897	tp[i++] = (TCHAR)w;
hattori_atsushi	0:f77369cabd75	1898	}
hattori_atsushi	0:f77369cabd75	1899
hattori_atsushi	0:f77369cabd75	1900	}
hattori_atsushi	0:f77369cabd75	1901	tp[i] = 0; /* Terminate the LFN str by a \0 */
hattori_atsushi	0:f77369cabd75	1902	}
hattori_atsushi	0:f77369cabd75	1903	#endif
hattori_atsushi	0:f77369cabd75	1904	}
hattori_atsushi	0:f77369cabd75	1905	#endif /* _FS_MINIMIZE <= 1 */
hattori_atsushi	0:f77369cabd75	1906
hattori_atsushi	0:f77369cabd75	1907
hattori_atsushi	0:f77369cabd75	1908
hattori_atsushi	0:f77369cabd75	1909
hattori_atsushi	0:f77369cabd75	1910	/-----------------------------------------------------------------------/
hattori_atsushi	0:f77369cabd75	1911	/* Follow a file path */
hattori_atsushi	0:f77369cabd75	1912	/-----------------------------------------------------------------------/
hattori_atsushi	0:f77369cabd75	1913
hattori_atsushi	0:f77369cabd75	1914	static
hattori_atsushi	0:f77369cabd75	1915	FRESULT follow_path ( /* FR_OK(0): successful, !=0: error code */
hattori_atsushi	0:f77369cabd75	1916	DIR_t dj, / Directory object to return last directory and found object */
hattori_atsushi	0:f77369cabd75	1917	const TCHAR path / Full-path string to find a file or directory */
hattori_atsushi	0:f77369cabd75	1918	)
hattori_atsushi	0:f77369cabd75	1919	{
hattori_atsushi	0:f77369cabd75	1920	FRESULT res;
hattori_atsushi	0:f77369cabd75	1921	BYTE *dir, ns;
hattori_atsushi	0:f77369cabd75	1922
hattori_atsushi	0:f77369cabd75	1923
hattori_atsushi	0:f77369cabd75	1924	#if _FS_RPATH
hattori_atsushi	0:f77369cabd75	1925	if (path == '/' \|\| path == '\\') { /* There is a heading separator */
hattori_atsushi	0:f77369cabd75	1926	path++; dj->sclust = 0; /* Strip it and start from the root dir */
hattori_atsushi	0:f77369cabd75	1927	} else { /* No heading separator */
hattori_atsushi	0:f77369cabd75	1928	dj->sclust = dj->fs->cdir; /* Start from the current dir */
hattori_atsushi	0:f77369cabd75	1929	}
hattori_atsushi	0:f77369cabd75	1930	#else
hattori_atsushi	0:f77369cabd75	1931	if (path == '/' \|\| path == '\\') /* Strip heading separator if exist */
hattori_atsushi	0:f77369cabd75	1932	path++;
hattori_atsushi	0:f77369cabd75	1933	dj->sclust = 0; /* Start from the root dir */
hattori_atsushi	0:f77369cabd75	1934	#endif
hattori_atsushi	0:f77369cabd75	1935
hattori_atsushi	0:f77369cabd75	1936	if ((UINT)path < ' ') { / Nul path means the start directory itself */
hattori_atsushi	0:f77369cabd75	1937	res = dir_sdi(dj, 0);
hattori_atsushi	0:f77369cabd75	1938	dj->dir = 0;
hattori_atsushi	0:f77369cabd75	1939
hattori_atsushi	0:f77369cabd75	1940	} else { /* Follow path */
hattori_atsushi	0:f77369cabd75	1941	for (;;) {
hattori_atsushi	0:f77369cabd75	1942	res = create_name(dj, &path); /* Get a segment */
hattori_atsushi	0:f77369cabd75	1943	if (res != FR_OK) break;
hattori_atsushi	0:f77369cabd75	1944	res = dir_find(dj); /* Find it */
hattori_atsushi	0:f77369cabd75	1945	ns = *(dj->fn+NS);
hattori_atsushi	0:f77369cabd75	1946	if (res != FR_OK) { /* Failed to find the object */
hattori_atsushi	0:f77369cabd75	1947	if (res != FR_NO_FILE) break; /* Abort if any hard error occured */
hattori_atsushi	0:f77369cabd75	1948	/* Object not found */
hattori_atsushi	0:f77369cabd75	1949	if (_FS_RPATH && (ns & NS_DOT)) { /* If dot entry is not exit */
hattori_atsushi	0:f77369cabd75	1950	dj->sclust = 0; dj->dir = 0; /* It is the root dir */
hattori_atsushi	0:f77369cabd75	1951	res = FR_OK;
hattori_atsushi	0:f77369cabd75	1952	if (!(ns & NS_LAST)) continue;
hattori_atsushi	0:f77369cabd75	1953	} else { /* Could not find the object */
hattori_atsushi	0:f77369cabd75	1954	if (!(ns & NS_LAST)) res = FR_NO_PATH;
hattori_atsushi	0:f77369cabd75	1955	}
hattori_atsushi	0:f77369cabd75	1956	break;
hattori_atsushi	0:f77369cabd75	1957	}
hattori_atsushi	0:f77369cabd75	1958	if (ns & NS_LAST) break; /* Last segment match. Function completed. */
hattori_atsushi	0:f77369cabd75	1959	dir = dj->dir; /* There is next segment. Follow the sub directory */
hattori_atsushi	0:f77369cabd75	1960	if (!(dir[DIR_Attr] & AM_DIR)) { /* Cannot follow because it is a file */
hattori_atsushi	0:f77369cabd75	1961	res = FR_NO_PATH; break;
hattori_atsushi	0:f77369cabd75	1962	}
hattori_atsushi	0:f77369cabd75	1963	dj->sclust = LD_CLUST(dir);
hattori_atsushi	0:f77369cabd75	1964	}
hattori_atsushi	0:f77369cabd75	1965	}
hattori_atsushi	0:f77369cabd75	1966
hattori_atsushi	0:f77369cabd75	1967	return res;
hattori_atsushi	0:f77369cabd75	1968	}
hattori_atsushi	0:f77369cabd75	1969
hattori_atsushi	0:f77369cabd75	1970
hattori_atsushi	0:f77369cabd75	1971
hattori_atsushi	0:f77369cabd75	1972
hattori_atsushi	0:f77369cabd75	1973	/-----------------------------------------------------------------------/
hattori_atsushi	0:f77369cabd75	1974	/* Load boot record and check if it is an FAT boot record */
hattori_atsushi	0:f77369cabd75	1975	/-----------------------------------------------------------------------/
hattori_atsushi	0:f77369cabd75	1976
hattori_atsushi	0:f77369cabd75	1977	static
hattori_atsushi	0:f77369cabd75	1978	BYTE check_fs ( /* 0:The FAT BR, 1:Valid BR but not an FAT, 2:Not a BR, 3:Disk error */
hattori_atsushi	0:f77369cabd75	1979	FATFS fs, / File system object */
hattori_atsushi	0:f77369cabd75	1980	DWORD sect /* Sector# (lba) to check if it is an FAT boot record or not */
hattori_atsushi	0:f77369cabd75	1981	)
hattori_atsushi	0:f77369cabd75	1982	{
hattori_atsushi	0:f77369cabd75	1983	if (disk_read(fs->drv, fs->win, sect, 1) != RES_OK) /* Load boot record */
hattori_atsushi	0:f77369cabd75	1984	return 3;
hattori_atsushi	0:f77369cabd75	1985	if (LD_WORD(&fs->win[BS_55AA]) != 0xAA55) /* Check record signature (always placed at offset 510 even if the sector size is >512) */
hattori_atsushi	0:f77369cabd75	1986	return 2;
hattori_atsushi	0:f77369cabd75	1987
hattori_atsushi	0:f77369cabd75	1988	if ((LD_DWORD(&fs->win[BS_FilSysType]) & 0xFFFFFF) == 0x544146) /* Check "FAT" string */
hattori_atsushi	0:f77369cabd75	1989	return 0;
hattori_atsushi	0:f77369cabd75	1990	if ((LD_DWORD(&fs->win[BS_FilSysType32]) & 0xFFFFFF) == 0x544146)
hattori_atsushi	0:f77369cabd75	1991	return 0;
hattori_atsushi	0:f77369cabd75	1992
hattori_atsushi	0:f77369cabd75	1993	return 1;
hattori_atsushi	0:f77369cabd75	1994	}
hattori_atsushi	0:f77369cabd75	1995
hattori_atsushi	0:f77369cabd75	1996
hattori_atsushi	0:f77369cabd75	1997
hattori_atsushi	0:f77369cabd75	1998
hattori_atsushi	0:f77369cabd75	1999	/-----------------------------------------------------------------------/
hattori_atsushi	0:f77369cabd75	2000	/* Check if the file system object is valid or not */
hattori_atsushi	0:f77369cabd75	2001	/-----------------------------------------------------------------------/
hattori_atsushi	0:f77369cabd75	2002
hattori_atsushi	0:f77369cabd75	2003	static
hattori_atsushi	0:f77369cabd75	2004	FRESULT chk_mounted ( /* FR_OK(0): successful, !=0: any error occurred */
hattori_atsushi	0:f77369cabd75	2005	const TCHAR *path, / Pointer to pointer to the path name (drive number) */
hattori_atsushi	0:f77369cabd75	2006	FATFS *rfs, / Pointer to pointer to the found file system object */
hattori_atsushi	0:f77369cabd75	2007	BYTE chk_wp /* !=0: Check media write protection for write access */
hattori_atsushi	0:f77369cabd75	2008	)
hattori_atsushi	0:f77369cabd75	2009	{
hattori_atsushi	0:f77369cabd75	2010	BYTE fmt, b, *tbl;
hattori_atsushi	0:f77369cabd75	2011	UINT vol;
hattori_atsushi	0:f77369cabd75	2012	DSTATUS stat;
hattori_atsushi	0:f77369cabd75	2013	DWORD bsect, fasize, tsect, sysect, nclst, szbfat;
hattori_atsushi	0:f77369cabd75	2014	WORD nrsv;
hattori_atsushi	0:f77369cabd75	2015	const TCHAR p = path;
hattori_atsushi	0:f77369cabd75	2016	FATFS *fs;
hattori_atsushi	0:f77369cabd75	2017
hattori_atsushi	0:f77369cabd75	2018	/* Get logical drive number from the path name */
hattori_atsushi	0:f77369cabd75	2019	vol = p[0] - '0'; /* Is there a drive number? */
hattori_atsushi	0:f77369cabd75	2020	if (vol <= 9 && p[1] == ':') { /* Found a drive number, get and strip it */
hattori_atsushi	0:f77369cabd75	2021	p += 2; path = p; / Return pointer to the path name */
hattori_atsushi	0:f77369cabd75	2022	} else { /* No drive number is given */
hattori_atsushi	0:f77369cabd75	2023	#if _FS_RPATH
hattori_atsushi	0:f77369cabd75	2024	vol = CurrVol; /* Use current drive */
hattori_atsushi	0:f77369cabd75	2025	#else
hattori_atsushi	0:f77369cabd75	2026	vol = 0; /* Use drive 0 */
hattori_atsushi	0:f77369cabd75	2027	#endif
hattori_atsushi	0:f77369cabd75	2028	}
hattori_atsushi	0:f77369cabd75	2029
hattori_atsushi	0:f77369cabd75	2030	/* Check if the logical drive is valid or not */
hattori_atsushi	0:f77369cabd75	2031	if (vol >= _VOLUMES) /* Is the drive number valid? */
hattori_atsushi	0:f77369cabd75	2032	return FR_INVALID_DRIVE;
hattori_atsushi	0:f77369cabd75	2033	rfs = fs = FatFs[vol]; / Return pointer to the corresponding file system object */
hattori_atsushi	0:f77369cabd75	2034	if (!fs) return FR_NOT_ENABLED; /* Is the file system object available? */
hattori_atsushi	0:f77369cabd75	2035
hattori_atsushi	0:f77369cabd75	2036	ENTER_FF(fs); /* Lock file system */
hattori_atsushi	0:f77369cabd75	2037
hattori_atsushi	0:f77369cabd75	2038	if (fs->fs_type) { /* If the logical drive has been mounted */
hattori_atsushi	0:f77369cabd75	2039	stat = disk_status(fs->drv);
hattori_atsushi	0:f77369cabd75	2040	if (!(stat & STA_NOINIT)) { /* and the physical drive is kept initialized (has not been changed), */
hattori_atsushi	0:f77369cabd75	2041	#if !_FS_READONLY
hattori_atsushi	0:f77369cabd75	2042	if (chk_wp && (stat & STA_PROTECT)) /* Check write protection if needed */
hattori_atsushi	0:f77369cabd75	2043	return FR_WRITE_PROTECTED;
hattori_atsushi	0:f77369cabd75	2044	#endif
hattori_atsushi	0:f77369cabd75	2045	return FR_OK; /* The file system object is valid */
hattori_atsushi	0:f77369cabd75	2046	}
hattori_atsushi	0:f77369cabd75	2047	}
hattori_atsushi	0:f77369cabd75	2048
hattori_atsushi	0:f77369cabd75	2049	/* The logical drive must be mounted. */
hattori_atsushi	0:f77369cabd75	2050	/* Following code attempts to mount a volume. (analyze BPB and initialize the fs object) */
hattori_atsushi	0:f77369cabd75	2051
hattori_atsushi	0:f77369cabd75	2052	fs->fs_type = 0; /* Clear the file system object */
hattori_atsushi	0:f77369cabd75	2053	fs->drv = (BYTE)LD2PD(vol); /* Bind the logical drive and a physical drive */
hattori_atsushi	0:f77369cabd75	2054	stat = disk_initialize(fs->drv); /* Initialize low level disk I/O layer */
hattori_atsushi	0:f77369cabd75	2055	if (stat & STA_NOINIT) /* Check if the initialization succeeded */
hattori_atsushi	0:f77369cabd75	2056	return FR_NOT_READY; /* Failed to initialize due to no media or hard error */
hattori_atsushi	0:f77369cabd75	2057	#if _MAX_SS != 512 /* Get disk sector size (variable sector size cfg only) */
hattori_atsushi	0:f77369cabd75	2058	if (disk_ioctl(fs->drv, GET_SECTOR_SIZE, &fs->ssize) != RES_OK)
hattori_atsushi	0:f77369cabd75	2059	return FR_DISK_ERR;
hattori_atsushi	0:f77369cabd75	2060	#endif
hattori_atsushi	0:f77369cabd75	2061	#if !_FS_READONLY
hattori_atsushi	0:f77369cabd75	2062	if (chk_wp && (stat & STA_PROTECT)) /* Check disk write protection if needed */
hattori_atsushi	0:f77369cabd75	2063	return FR_WRITE_PROTECTED;
hattori_atsushi	0:f77369cabd75	2064	#endif
hattori_atsushi	0:f77369cabd75	2065	/* Search FAT partition on the drive. Supports only generic partitionings, FDISK and SFD. */
hattori_atsushi	0:f77369cabd75	2066	fmt = check_fs(fs, bsect = 0); /* Check sector 0 if it is a VBR */
hattori_atsushi	0:f77369cabd75	2067	if (fmt == 1) { /* Not an FAT-VBR, the disk may be partitioned */
hattori_atsushi	0:f77369cabd75	2068	/* Check the partition listed in top of the partition table */
hattori_atsushi	0:f77369cabd75	2069	tbl = &fs->win[MBR_Table + LD2PT(vol) * SZ_PTE];/* Partition table */
hattori_atsushi	0:f77369cabd75	2070	if (tbl[4]) { /* Is the partition existing? */
hattori_atsushi	0:f77369cabd75	2071	bsect = LD_DWORD(&tbl[8]); /* Partition offset in LBA */
hattori_atsushi	0:f77369cabd75	2072	fmt = check_fs(fs, bsect); /* Check the partition */
hattori_atsushi	0:f77369cabd75	2073	}
hattori_atsushi	0:f77369cabd75	2074	}
hattori_atsushi	0:f77369cabd75	2075	if (fmt == 3) return FR_DISK_ERR;
hattori_atsushi	0:f77369cabd75	2076	if (fmt) return FR_NO_FILESYSTEM; /* No FAT volume is found */
hattori_atsushi	0:f77369cabd75	2077
hattori_atsushi	0:f77369cabd75	2078	/* Following code initializes the file system object */
hattori_atsushi	0:f77369cabd75	2079
hattori_atsushi	0:f77369cabd75	2080	if (LD_WORD(fs->win+BPB_BytsPerSec) != SS(fs)) /* (BPB_BytsPerSec must be equal to the physical sector size) */
hattori_atsushi	0:f77369cabd75	2081	return FR_NO_FILESYSTEM;
hattori_atsushi	0:f77369cabd75	2082
hattori_atsushi	0:f77369cabd75	2083	fasize = LD_WORD(fs->win+BPB_FATSz16); /* Number of sectors per FAT */
hattori_atsushi	0:f77369cabd75	2084	if (!fasize) fasize = LD_DWORD(fs->win+BPB_FATSz32);
hattori_atsushi	0:f77369cabd75	2085	fs->fsize = fasize;
hattori_atsushi	0:f77369cabd75	2086
hattori_atsushi	0:f77369cabd75	2087	fs->n_fats = b = fs->win[BPB_NumFATs]; /* Number of FAT copies */
hattori_atsushi	0:f77369cabd75	2088	if (b != 1 && b != 2) return FR_NO_FILESYSTEM; /* (Must be 1 or 2) */
hattori_atsushi	0:f77369cabd75	2089	fasize = b; / Number of sectors for FAT area */
hattori_atsushi	0:f77369cabd75	2090
hattori_atsushi	0:f77369cabd75	2091	fs->csize = b = fs->win[BPB_SecPerClus]; /* Number of sectors per cluster */
hattori_atsushi	0:f77369cabd75	2092	if (!b \|\| (b & (b - 1))) return FR_NO_FILESYSTEM; /* (Must be power of 2) */
hattori_atsushi	0:f77369cabd75	2093
hattori_atsushi	0:f77369cabd75	2094	fs->n_rootdir = LD_WORD(fs->win+BPB_RootEntCnt); /* Number of root directory entries */
hattori_atsushi	0:f77369cabd75	2095	if (fs->n_rootdir % (SS(fs) / SZ_DIR)) return FR_NO_FILESYSTEM; /* (BPB_RootEntCnt must be sector aligned) */
hattori_atsushi	0:f77369cabd75	2096
hattori_atsushi	0:f77369cabd75	2097	tsect = LD_WORD(fs->win+BPB_TotSec16); /* Number of sectors on the volume */
hattori_atsushi	0:f77369cabd75	2098	if (!tsect) tsect = LD_DWORD(fs->win+BPB_TotSec32);
hattori_atsushi	0:f77369cabd75	2099
hattori_atsushi	0:f77369cabd75	2100	nrsv = LD_WORD(fs->win+BPB_RsvdSecCnt); /* Number of reserved sectors */
hattori_atsushi	0:f77369cabd75	2101	if (!nrsv) return FR_NO_FILESYSTEM; /* (BPB_RsvdSecCnt must not be 0) */
hattori_atsushi	0:f77369cabd75	2102
hattori_atsushi	0:f77369cabd75	2103	/* Determine the FAT sub type */
hattori_atsushi	0:f77369cabd75	2104	sysect = nrsv + fasize + fs->n_rootdir / (SS(fs) / SZ_DIR); /* RSV+FAT+DIR */
hattori_atsushi	0:f77369cabd75	2105	if (tsect < sysect) return FR_NO_FILESYSTEM; /* (Invalid volume size) */
hattori_atsushi	0:f77369cabd75	2106	nclst = (tsect - sysect) / fs->csize; /* Number of clusters */
hattori_atsushi	0:f77369cabd75	2107	if (!nclst) return FR_NO_FILESYSTEM; /* (Invalid volume size) */
hattori_atsushi	0:f77369cabd75	2108	fmt = FS_FAT12;
hattori_atsushi	0:f77369cabd75	2109	if (nclst >= MIN_FAT16) fmt = FS_FAT16;
hattori_atsushi	0:f77369cabd75	2110	if (nclst >= MIN_FAT32) fmt = FS_FAT32;
hattori_atsushi	0:f77369cabd75	2111
hattori_atsushi	0:f77369cabd75	2112	/* Boundaries and Limits */
hattori_atsushi	0:f77369cabd75	2113	fs->n_fatent = nclst + 2; /* Number of FAT entries */
hattori_atsushi	0:f77369cabd75	2114	fs->database = bsect + sysect; /* Data start sector */
hattori_atsushi	0:f77369cabd75	2115	fs->fatbase = bsect + nrsv; /* FAT start sector */
hattori_atsushi	0:f77369cabd75	2116	if (fmt == FS_FAT32) {
hattori_atsushi	0:f77369cabd75	2117	if (fs->n_rootdir) return FR_NO_FILESYSTEM; /* (BPB_RootEntCnt must be 0) */
hattori_atsushi	0:f77369cabd75	2118	fs->dirbase = LD_DWORD(fs->win+BPB_RootClus); /* Root directory start cluster */
hattori_atsushi	0:f77369cabd75	2119	szbfat = fs->n_fatent * 4; /* (Required FAT size) */
hattori_atsushi	0:f77369cabd75	2120	} else {
hattori_atsushi	0:f77369cabd75	2121	if (!fs->n_rootdir) return FR_NO_FILESYSTEM; /* (BPB_RootEntCnt must not be 0) */
hattori_atsushi	0:f77369cabd75	2122	fs->dirbase = fs->fatbase + fasize; /* Root directory start sector */
hattori_atsushi	0:f77369cabd75	2123	szbfat = (fmt == FS_FAT16) ? /* (Required FAT size) */
hattori_atsushi	0:f77369cabd75	2124	fs->n_fatent * 2 : fs->n_fatent * 3 / 2 + (fs->n_fatent & 1);
hattori_atsushi	0:f77369cabd75	2125	}
hattori_atsushi	0:f77369cabd75	2126	if (fs->fsize < (szbfat + (SS(fs) - 1)) / SS(fs)) /* (BPB_FATSz must not be less than required) */
hattori_atsushi	0:f77369cabd75	2127	return FR_NO_FILESYSTEM;
hattori_atsushi	0:f77369cabd75	2128
hattori_atsushi	0:f77369cabd75	2129	#if !_FS_READONLY
hattori_atsushi	0:f77369cabd75	2130	/* Initialize cluster allocation information */
hattori_atsushi	0:f77369cabd75	2131	fs->free_clust = 0xFFFFFFFF;
hattori_atsushi	0:f77369cabd75	2132	fs->last_clust = 0;
hattori_atsushi	0:f77369cabd75	2133
hattori_atsushi	0:f77369cabd75	2134	/* Get fsinfo if available */
hattori_atsushi	0:f77369cabd75	2135	if (fmt == FS_FAT32) {
hattori_atsushi	0:f77369cabd75	2136	fs->fsi_flag = 0;
hattori_atsushi	0:f77369cabd75	2137	fs->fsi_sector = bsect + LD_WORD(fs->win+BPB_FSInfo);
hattori_atsushi	0:f77369cabd75	2138	if (disk_read(fs->drv, fs->win, fs->fsi_sector, 1) == RES_OK &&
hattori_atsushi	0:f77369cabd75	2139	LD_WORD(fs->win+BS_55AA) == 0xAA55 &&
hattori_atsushi	0:f77369cabd75	2140	LD_DWORD(fs->win+FSI_LeadSig) == 0x41615252 &&
hattori_atsushi	0:f77369cabd75	2141	LD_DWORD(fs->win+FSI_StrucSig) == 0x61417272) {
hattori_atsushi	0:f77369cabd75	2142	fs->last_clust = LD_DWORD(fs->win+FSI_Nxt_Free);
hattori_atsushi	0:f77369cabd75	2143	fs->free_clust = LD_DWORD(fs->win+FSI_Free_Count);
hattori_atsushi	0:f77369cabd75	2144	}
hattori_atsushi	0:f77369cabd75	2145	}
hattori_atsushi	0:f77369cabd75	2146	#endif
hattori_atsushi	0:f77369cabd75	2147	fs->fs_type = fmt; /* FAT sub-type */
hattori_atsushi	0:f77369cabd75	2148	fs->id = ++Fsid; /* File system mount ID */
hattori_atsushi	0:f77369cabd75	2149	fs->winsect = 0; /* Invalidate sector cache */
hattori_atsushi	0:f77369cabd75	2150	fs->wflag = 0;
hattori_atsushi	0:f77369cabd75	2151	#if _FS_RPATH
hattori_atsushi	0:f77369cabd75	2152	fs->cdir = 0; /* Current directory (root dir) */
hattori_atsushi	0:f77369cabd75	2153	#endif
hattori_atsushi	0:f77369cabd75	2154	#if _FS_SHARE /* Clear file lock semaphores */
hattori_atsushi	0:f77369cabd75	2155	clear_lock(fs);
hattori_atsushi	0:f77369cabd75	2156	#endif
hattori_atsushi	0:f77369cabd75	2157
hattori_atsushi	0:f77369cabd75	2158	return FR_OK;
hattori_atsushi	0:f77369cabd75	2159	}
hattori_atsushi	0:f77369cabd75	2160
hattori_atsushi	0:f77369cabd75	2161
hattori_atsushi	0:f77369cabd75	2162
hattori_atsushi	0:f77369cabd75	2163
hattori_atsushi	0:f77369cabd75	2164	/-----------------------------------------------------------------------/
hattori_atsushi	0:f77369cabd75	2165	/* Check if the file/dir object is valid or not */
hattori_atsushi	0:f77369cabd75	2166	/-----------------------------------------------------------------------/
hattori_atsushi	0:f77369cabd75	2167
hattori_atsushi	0:f77369cabd75	2168	static
hattori_atsushi	0:f77369cabd75	2169	FRESULT validate ( /* FR_OK(0): The object is valid, !=0: Invalid */
hattori_atsushi	0:f77369cabd75	2170	FATFS fs, / Pointer to the file system object */
hattori_atsushi	0:f77369cabd75	2171	WORD id /* Member id of the target object to be checked */
hattori_atsushi	0:f77369cabd75	2172	)
hattori_atsushi	0:f77369cabd75	2173	{
hattori_atsushi	0:f77369cabd75	2174	if (!fs \|\| !fs->fs_type \|\| fs->id != id)
hattori_atsushi	0:f77369cabd75	2175	return FR_INVALID_OBJECT;
hattori_atsushi	0:f77369cabd75	2176
hattori_atsushi	0:f77369cabd75	2177	ENTER_FF(fs); /* Lock file system */
hattori_atsushi	0:f77369cabd75	2178
hattori_atsushi	0:f77369cabd75	2179	if (disk_status(fs->drv) & STA_NOINIT)
hattori_atsushi	0:f77369cabd75	2180	return FR_NOT_READY;
hattori_atsushi	0:f77369cabd75	2181
hattori_atsushi	0:f77369cabd75	2182	return FR_OK;
hattori_atsushi	0:f77369cabd75	2183	}
hattori_atsushi	0:f77369cabd75	2184
hattori_atsushi	0:f77369cabd75	2185
hattori_atsushi	0:f77369cabd75	2186
hattori_atsushi	0:f77369cabd75	2187
hattori_atsushi	0:f77369cabd75	2188	/*--------------------------------------------------------------------------
hattori_atsushi	0:f77369cabd75	2189
hattori_atsushi	0:f77369cabd75	2190	Public Functions
hattori_atsushi	0:f77369cabd75	2191
hattori_atsushi	0:f77369cabd75	2192	--------------------------------------------------------------------------*/
hattori_atsushi	0:f77369cabd75	2193
hattori_atsushi	0:f77369cabd75	2194
hattori_atsushi	0:f77369cabd75	2195
hattori_atsushi	0:f77369cabd75	2196	/-----------------------------------------------------------------------/
hattori_atsushi	0:f77369cabd75	2197	/* Mount/Unmount a Logical Drive */
hattori_atsushi	0:f77369cabd75	2198	/-----------------------------------------------------------------------/
hattori_atsushi	0:f77369cabd75	2199
hattori_atsushi	0:f77369cabd75	2200	FRESULT f_mount (
hattori_atsushi	0:f77369cabd75	2201	BYTE vol, /* Logical drive number to be mounted/unmounted */
hattori_atsushi	0:f77369cabd75	2202	FATFS fs / Pointer to new file system object (NULL for unmount)*/
hattori_atsushi	0:f77369cabd75	2203	)
hattori_atsushi	0:f77369cabd75	2204	{
hattori_atsushi	0:f77369cabd75	2205	FATFS *rfs;
hattori_atsushi	0:f77369cabd75	2206
hattori_atsushi	0:f77369cabd75	2207
hattori_atsushi	0:f77369cabd75	2208	if (vol >= _VOLUMES) /* Check if the drive number is valid */
hattori_atsushi	0:f77369cabd75	2209	return FR_INVALID_DRIVE;
hattori_atsushi	0:f77369cabd75	2210	rfs = FatFs[vol]; /* Get current fs object */
hattori_atsushi	0:f77369cabd75	2211
hattori_atsushi	0:f77369cabd75	2212	if (rfs) {
hattori_atsushi	0:f77369cabd75	2213	#if _FS_SHARE
hattori_atsushi	0:f77369cabd75	2214	clear_lock(rfs);
hattori_atsushi	0:f77369cabd75	2215	#endif
hattori_atsushi	0:f77369cabd75	2216	#if _FS_REENTRANT /* Discard sync object of the current volume */
hattori_atsushi	0:f77369cabd75	2217	if (!ff_del_syncobj(rfs->sobj)) return FR_INT_ERR;
hattori_atsushi	0:f77369cabd75	2218	#endif
hattori_atsushi	0:f77369cabd75	2219	rfs->fs_type = 0; /* Clear old fs object */
hattori_atsushi	0:f77369cabd75	2220	}
hattori_atsushi	0:f77369cabd75	2221
hattori_atsushi	0:f77369cabd75	2222	if (fs) {
hattori_atsushi	0:f77369cabd75	2223	fs->fs_type = 0; /* Clear new fs object */
hattori_atsushi	0:f77369cabd75	2224	#if _FS_REENTRANT /* Create sync object for the new volume */
hattori_atsushi	0:f77369cabd75	2225	if (!ff_cre_syncobj(vol, &fs->sobj)) return FR_INT_ERR;
hattori_atsushi	0:f77369cabd75	2226	#endif
hattori_atsushi	0:f77369cabd75	2227	}
hattori_atsushi	0:f77369cabd75	2228	FatFs[vol] = fs; /* Register new fs object */
hattori_atsushi	0:f77369cabd75	2229
hattori_atsushi	0:f77369cabd75	2230	return FR_OK;
hattori_atsushi	0:f77369cabd75	2231	}
hattori_atsushi	0:f77369cabd75	2232
hattori_atsushi	0:f77369cabd75	2233
hattori_atsushi	0:f77369cabd75	2234
hattori_atsushi	0:f77369cabd75	2235
hattori_atsushi	0:f77369cabd75	2236	/-----------------------------------------------------------------------/
hattori_atsushi	0:f77369cabd75	2237	/* Open or Create a File */
hattori_atsushi	0:f77369cabd75	2238	/-----------------------------------------------------------------------/
hattori_atsushi	0:f77369cabd75	2239
hattori_atsushi	0:f77369cabd75	2240	FRESULT f_open (
hattori_atsushi	0:f77369cabd75	2241	FIL_t fp, / Pointer to the blank file object */
hattori_atsushi	0:f77369cabd75	2242	const TCHAR path, / Pointer to the file name */
hattori_atsushi	0:f77369cabd75	2243	BYTE mode /* Access mode and file open mode flags */
hattori_atsushi	0:f77369cabd75	2244	)
hattori_atsushi	0:f77369cabd75	2245	{
hattori_atsushi	0:f77369cabd75	2246	FRESULT res;
hattori_atsushi	0:f77369cabd75	2247	DIR_t dj;
hattori_atsushi	0:f77369cabd75	2248	BYTE *dir;
hattori_atsushi	0:f77369cabd75	2249	DEF_NAMEBUF;
hattori_atsushi	0:f77369cabd75	2250
hattori_atsushi	0:f77369cabd75	2251
hattori_atsushi	0:f77369cabd75	2252	fp->fs = 0; /* Clear file object */
hattori_atsushi	0:f77369cabd75	2253
hattori_atsushi	0:f77369cabd75	2254	#if !_FS_READONLY
hattori_atsushi	0:f77369cabd75	2255	mode &= FA_READ \| FA_WRITE \| FA_CREATE_ALWAYS \| FA_OPEN_ALWAYS \| FA_CREATE_NEW;
hattori_atsushi	0:f77369cabd75	2256	res = chk_mounted(&path, &dj.fs, (BYTE)(mode & ~FA_READ));
hattori_atsushi	0:f77369cabd75	2257	#else
hattori_atsushi	0:f77369cabd75	2258	mode &= FA_READ;
hattori_atsushi	0:f77369cabd75	2259	res = chk_mounted(&path, &dj.fs, 0);
hattori_atsushi	0:f77369cabd75	2260	#endif
hattori_atsushi	0:f77369cabd75	2261	INIT_BUF(dj);
hattori_atsushi	0:f77369cabd75	2262	if (res == FR_OK)
hattori_atsushi	0:f77369cabd75	2263	res = follow_path(&dj, path); /* Follow the file path */
hattori_atsushi	0:f77369cabd75	2264	dir = dj.dir;
hattori_atsushi	0:f77369cabd75	2265
hattori_atsushi	0:f77369cabd75	2266	#if !_FS_READONLY /* R/W configuration */
hattori_atsushi	0:f77369cabd75	2267	if (res == FR_OK) {
hattori_atsushi	0:f77369cabd75	2268	if (!dir) /* Current dir itself */
hattori_atsushi	0:f77369cabd75	2269	res = FR_INVALID_NAME;
hattori_atsushi	0:f77369cabd75	2270	#if _FS_SHARE
hattori_atsushi	0:f77369cabd75	2271	else
hattori_atsushi	0:f77369cabd75	2272	res = chk_lock(&dj, (mode & ~FA_READ) ? 1 : 0);
hattori_atsushi	0:f77369cabd75	2273	#endif
hattori_atsushi	0:f77369cabd75	2274	}
hattori_atsushi	0:f77369cabd75	2275	/* Create or Open a file */
hattori_atsushi	0:f77369cabd75	2276	if (mode & (FA_CREATE_ALWAYS\|FA_OPEN_ALWAYS\|FA_CREATE_NEW)) {
hattori_atsushi	0:f77369cabd75	2277	DWORD dw, cl;
hattori_atsushi	0:f77369cabd75	2278
hattori_atsushi	0:f77369cabd75	2279	if (res != FR_OK) { /* No file, create new */
hattori_atsushi	0:f77369cabd75	2280	if (res == FR_NO_FILE) /* There is no file to open, create a new entry */
hattori_atsushi	0:f77369cabd75	2281	#if _FS_SHARE
hattori_atsushi	0:f77369cabd75	2282	res = enq_lock(dj.fs) ? dir_register(&dj) : FR_TOO_MANY_OPEN_FILES;
hattori_atsushi	0:f77369cabd75	2283	#else
hattori_atsushi	0:f77369cabd75	2284	res = dir_register(&dj);
hattori_atsushi	0:f77369cabd75	2285	#endif
hattori_atsushi	0:f77369cabd75	2286	mode \|= FA_CREATE_ALWAYS; /* File is created */
hattori_atsushi	0:f77369cabd75	2287	dir = dj.dir; /* New entry */
hattori_atsushi	0:f77369cabd75	2288	}
hattori_atsushi	0:f77369cabd75	2289	else { /* Any object is already existing */
hattori_atsushi	0:f77369cabd75	2290	if (dir[DIR_Attr] & (AM_RDO \| AM_DIR)) { /* Cannot overwrite it (R/O or DIR) */
hattori_atsushi	0:f77369cabd75	2291	res = FR_DENIED;
hattori_atsushi	0:f77369cabd75	2292	} else {
hattori_atsushi	0:f77369cabd75	2293	if (mode & FA_CREATE_NEW) /* Cannot create as new file */
hattori_atsushi	0:f77369cabd75	2294	res = FR_EXIST;
hattori_atsushi	0:f77369cabd75	2295	}
hattori_atsushi	0:f77369cabd75	2296	}
hattori_atsushi	0:f77369cabd75	2297	if (res == FR_OK && (mode & FA_CREATE_ALWAYS)) { /* Truncate it if overwrite mode */
hattori_atsushi	0:f77369cabd75	2298	dw = get_fattime(); /* Created time */
hattori_atsushi	0:f77369cabd75	2299	ST_DWORD(dir+DIR_CrtTime, dw);
hattori_atsushi	0:f77369cabd75	2300	dir[DIR_Attr] = 0; /* Reset attribute */
hattori_atsushi	0:f77369cabd75	2301	ST_DWORD(dir+DIR_FileSize, 0); /* size = 0 */
hattori_atsushi	0:f77369cabd75	2302	cl = LD_CLUST(dir); /* Get start cluster */
hattori_atsushi	0:f77369cabd75	2303	ST_CLUST(dir, 0); /* cluster = 0 */
hattori_atsushi	0:f77369cabd75	2304	dj.fs->wflag = 1;
hattori_atsushi	0:f77369cabd75	2305	if (cl) { /* Remove the cluster chain if exist */
hattori_atsushi	0:f77369cabd75	2306	dw = dj.fs->winsect;
hattori_atsushi	0:f77369cabd75	2307	res = remove_chain(dj.fs, cl);
hattori_atsushi	0:f77369cabd75	2308	if (res == FR_OK) {
hattori_atsushi	0:f77369cabd75	2309	dj.fs->last_clust = cl - 1; /* Reuse the cluster hole */
hattori_atsushi	0:f77369cabd75	2310	res = move_window(dj.fs, dw);
hattori_atsushi	0:f77369cabd75	2311	}
hattori_atsushi	0:f77369cabd75	2312	}
hattori_atsushi	0:f77369cabd75	2313	}
hattori_atsushi	0:f77369cabd75	2314	}
hattori_atsushi	0:f77369cabd75	2315	else { /* Open an existing file */
hattori_atsushi	0:f77369cabd75	2316	if (res == FR_OK) { /* Follow succeeded */
hattori_atsushi	0:f77369cabd75	2317	if (dir[DIR_Attr] & AM_DIR) { /* It is a directory */
hattori_atsushi	0:f77369cabd75	2318	res = FR_NO_FILE;
hattori_atsushi	0:f77369cabd75	2319	} else {
hattori_atsushi	0:f77369cabd75	2320	if ((mode & FA_WRITE) && (dir[DIR_Attr] & AM_RDO)) /* R/O violation */
hattori_atsushi	0:f77369cabd75	2321	res = FR_DENIED;
hattori_atsushi	0:f77369cabd75	2322	}
hattori_atsushi	0:f77369cabd75	2323	}
hattori_atsushi	0:f77369cabd75	2324	}
hattori_atsushi	0:f77369cabd75	2325	if (res == FR_OK) {
hattori_atsushi	0:f77369cabd75	2326	if (mode & FA_CREATE_ALWAYS) /* Set file change flag if created or overwritten */
hattori_atsushi	0:f77369cabd75	2327	mode \|= FA__WRITTEN;
hattori_atsushi	0:f77369cabd75	2328	fp->dir_sect = dj.fs->winsect; /* Pointer to the directory entry */
hattori_atsushi	0:f77369cabd75	2329	fp->dir_ptr = dir;
hattori_atsushi	0:f77369cabd75	2330	#if _FS_SHARE
hattori_atsushi	0:f77369cabd75	2331	fp->lockid = inc_lock(&dj, (mode & ~FA_READ) ? 1 : 0);
hattori_atsushi	0:f77369cabd75	2332	if (!fp->lockid) res = FR_INT_ERR;
hattori_atsushi	0:f77369cabd75	2333	#endif
hattori_atsushi	0:f77369cabd75	2334	}
hattori_atsushi	0:f77369cabd75	2335
hattori_atsushi	0:f77369cabd75	2336	#else /* R/O configuration */
hattori_atsushi	0:f77369cabd75	2337	if (res == FR_OK) { /* Follow succeeded */
hattori_atsushi	0:f77369cabd75	2338	if (!dir) { /* Current dir itself */
hattori_atsushi	0:f77369cabd75	2339	res = FR_INVALID_NAME;
hattori_atsushi	0:f77369cabd75	2340	} else {
hattori_atsushi	0:f77369cabd75	2341	if (dir[DIR_Attr] & AM_DIR) /* It is a directory */
hattori_atsushi	0:f77369cabd75	2342	res = FR_NO_FILE;
hattori_atsushi	0:f77369cabd75	2343	}
hattori_atsushi	0:f77369cabd75	2344	}
hattori_atsushi	0:f77369cabd75	2345	#endif
hattori_atsushi	0:f77369cabd75	2346	FREE_BUF();
hattori_atsushi	0:f77369cabd75	2347
hattori_atsushi	0:f77369cabd75	2348	if (res == FR_OK) {
hattori_atsushi	0:f77369cabd75	2349	fp->flag = mode; /* File access mode */
hattori_atsushi	0:f77369cabd75	2350	fp->sclust = LD_CLUST(dir); /* File start cluster */
hattori_atsushi	0:f77369cabd75	2351	fp->fsize = LD_DWORD(dir+DIR_FileSize); /* File size */
hattori_atsushi	0:f77369cabd75	2352	fp->fptr = 0; /* File pointer */
hattori_atsushi	0:f77369cabd75	2353	fp->dsect = 0;
hattori_atsushi	0:f77369cabd75	2354	#if _USE_FASTSEEK
hattori_atsushi	0:f77369cabd75	2355	fp->cltbl = 0; /* Normal seek mode */
hattori_atsushi	0:f77369cabd75	2356	#endif
hattori_atsushi	0:f77369cabd75	2357	fp->fs = dj.fs; fp->id = dj.fs->id; /* Validate file object */
hattori_atsushi	0:f77369cabd75	2358	}
hattori_atsushi	0:f77369cabd75	2359
hattori_atsushi	0:f77369cabd75	2360	LEAVE_FF(dj.fs, res);
hattori_atsushi	0:f77369cabd75	2361	}
hattori_atsushi	0:f77369cabd75	2362
hattori_atsushi	0:f77369cabd75	2363
hattori_atsushi	0:f77369cabd75	2364
hattori_atsushi	0:f77369cabd75	2365
hattori_atsushi	0:f77369cabd75	2366	/-----------------------------------------------------------------------/
hattori_atsushi	0:f77369cabd75	2367	/* Read File */
hattori_atsushi	0:f77369cabd75	2368	/-----------------------------------------------------------------------/
hattori_atsushi	0:f77369cabd75	2369
hattori_atsushi	0:f77369cabd75	2370	FRESULT f_read (
hattori_atsushi	0:f77369cabd75	2371	FIL_t fp, / Pointer to the file object */
hattori_atsushi	0:f77369cabd75	2372	void buff, / Pointer to data buffer */
hattori_atsushi	0:f77369cabd75	2373	UINT btr, /* Number of bytes to read */
hattori_atsushi	0:f77369cabd75	2374	UINT br / Pointer to number of bytes read */
hattori_atsushi	0:f77369cabd75	2375	)
hattori_atsushi	0:f77369cabd75	2376	{
hattori_atsushi	0:f77369cabd75	2377	FRESULT res;
hattori_atsushi	0:f77369cabd75	2378	DWORD clst, sect, remain;
hattori_atsushi	0:f77369cabd75	2379	UINT rcnt, cc;
hattori_atsushi	0:f77369cabd75	2380	BYTE csect, rbuff = (BYTE)buff;
hattori_atsushi	0:f77369cabd75	2381
hattori_atsushi	0:f77369cabd75	2382
hattori_atsushi	0:f77369cabd75	2383	br = 0; / Initialize byte counter */
hattori_atsushi	0:f77369cabd75	2384
hattori_atsushi	0:f77369cabd75	2385	res = validate(fp->fs, fp->id); /* Check validity */
hattori_atsushi	0:f77369cabd75	2386	if (res != FR_OK) LEAVE_FF(fp->fs, res);
hattori_atsushi	0:f77369cabd75	2387	if (fp->flag & FA__ERROR) /* Aborted file? */
hattori_atsushi	0:f77369cabd75	2388	LEAVE_FF(fp->fs, FR_INT_ERR);
hattori_atsushi	0:f77369cabd75	2389	if (!(fp->flag & FA_READ)) /* Check access mode */
hattori_atsushi	0:f77369cabd75	2390	LEAVE_FF(fp->fs, FR_DENIED);
hattori_atsushi	0:f77369cabd75	2391	remain = fp->fsize - fp->fptr;
hattori_atsushi	0:f77369cabd75	2392	if (btr > remain) btr = (UINT)remain; /* Truncate btr by remaining bytes */
hattori_atsushi	0:f77369cabd75	2393
hattori_atsushi	0:f77369cabd75	2394	for ( ; btr; /* Repeat until all data read */
hattori_atsushi	0:f77369cabd75	2395	rbuff += rcnt, fp->fptr += rcnt, *br += rcnt, btr -= rcnt) {
hattori_atsushi	0:f77369cabd75	2396	if ((fp->fptr % SS(fp->fs)) == 0) { /* On the sector boundary? */
hattori_atsushi	0:f77369cabd75	2397	csect = (BYTE)(fp->fptr / SS(fp->fs) & (fp->fs->csize - 1)); /* Sector offset in the cluster */
hattori_atsushi	0:f77369cabd75	2398	if (!csect) { /* On the cluster boundary? */
hattori_atsushi	0:f77369cabd75	2399	if (fp->fptr == 0) { /* On the top of the file? */
hattori_atsushi	0:f77369cabd75	2400	clst = fp->sclust; /* Follow from the origin */
hattori_atsushi	0:f77369cabd75	2401	} else { /* Middle or end of the file */
hattori_atsushi	0:f77369cabd75	2402	#if _USE_FASTSEEK
hattori_atsushi	0:f77369cabd75	2403	if (fp->cltbl)
hattori_atsushi	0:f77369cabd75	2404	clst = clmt_clust(fp, fp->fptr); /* Get cluster# from the CLMT */
hattori_atsushi	0:f77369cabd75	2405	else
hattori_atsushi	0:f77369cabd75	2406	#endif
hattori_atsushi	0:f77369cabd75	2407	clst = get_fat(fp->fs, fp->clust); /* Follow cluster chain on the FAT */
hattori_atsushi	0:f77369cabd75	2408	}
hattori_atsushi	0:f77369cabd75	2409	if (clst < 2) ABORT(fp->fs, FR_INT_ERR);
hattori_atsushi	0:f77369cabd75	2410	if (clst == 0xFFFFFFFF) ABORT(fp->fs, FR_DISK_ERR);
hattori_atsushi	0:f77369cabd75	2411	fp->clust = clst; /* Update current cluster */
hattori_atsushi	0:f77369cabd75	2412	}
hattori_atsushi	0:f77369cabd75	2413	sect = clust2sect(fp->fs, fp->clust); /* Get current sector */
hattori_atsushi	0:f77369cabd75	2414	if (!sect) ABORT(fp->fs, FR_INT_ERR);
hattori_atsushi	0:f77369cabd75	2415	sect += csect;
hattori_atsushi	0:f77369cabd75	2416	cc = btr / SS(fp->fs); /* When remaining bytes >= sector size, */
hattori_atsushi	0:f77369cabd75	2417	if (cc) { /* Read maximum contiguous sectors directly */
hattori_atsushi	0:f77369cabd75	2418	if (csect + cc > fp->fs->csize) /* Clip at cluster boundary */
hattori_atsushi	0:f77369cabd75	2419	cc = fp->fs->csize - csect;
hattori_atsushi	0:f77369cabd75	2420	if (disk_read(fp->fs->drv, rbuff, sect, (BYTE)cc) != RES_OK)
hattori_atsushi	0:f77369cabd75	2421	ABORT(fp->fs, FR_DISK_ERR);
hattori_atsushi	0:f77369cabd75	2422	#if !_FS_READONLY && _FS_MINIMIZE <= 2 /* Replace one of the read sectors with cached data if it contains a dirty sector */
hattori_atsushi	0:f77369cabd75	2423	#if _FS_TINY
hattori_atsushi	0:f77369cabd75	2424	if (fp->fs->wflag && fp->fs->winsect - sect < cc)
hattori_atsushi	0:f77369cabd75	2425	mem_cpy(rbuff + ((fp->fs->winsect - sect) * SS(fp->fs)), fp->fs->win, SS(fp->fs));
hattori_atsushi	0:f77369cabd75	2426	#else
hattori_atsushi	0:f77369cabd75	2427	if ((fp->flag & FA__DIRTY) && fp->dsect - sect < cc)
hattori_atsushi	0:f77369cabd75	2428	mem_cpy(rbuff + ((fp->dsect - sect) * SS(fp->fs)), fp->buf, SS(fp->fs));
hattori_atsushi	0:f77369cabd75	2429	#endif
hattori_atsushi	0:f77369cabd75	2430	#endif
hattori_atsushi	0:f77369cabd75	2431	rcnt = SS(fp->fs) * cc; /* Number of bytes transferred */
hattori_atsushi	0:f77369cabd75	2432	continue;
hattori_atsushi	0:f77369cabd75	2433	}
hattori_atsushi	0:f77369cabd75	2434	#if !_FS_TINY
hattori_atsushi	0:f77369cabd75	2435	if (fp->dsect != sect) { /* Load data sector if not in cache */
hattori_atsushi	0:f77369cabd75	2436	#if !_FS_READONLY
hattori_atsushi	0:f77369cabd75	2437	if (fp->flag & FA__DIRTY) { /* Write-back dirty sector cache */
hattori_atsushi	0:f77369cabd75	2438	if (disk_write(fp->fs->drv, fp->buf, fp->dsect, 1) != RES_OK)
hattori_atsushi	0:f77369cabd75	2439	ABORT(fp->fs, FR_DISK_ERR);
hattori_atsushi	0:f77369cabd75	2440	fp->flag &= ~FA__DIRTY;
hattori_atsushi	0:f77369cabd75	2441	}
hattori_atsushi	0:f77369cabd75	2442	#endif
hattori_atsushi	0:f77369cabd75	2443	if (disk_read(fp->fs->drv, fp->buf, sect, 1) != RES_OK) /* Fill sector cache */
hattori_atsushi	0:f77369cabd75	2444	ABORT(fp->fs, FR_DISK_ERR);
hattori_atsushi	0:f77369cabd75	2445	}
hattori_atsushi	0:f77369cabd75	2446	#endif
hattori_atsushi	0:f77369cabd75	2447	fp->dsect = sect;
hattori_atsushi	0:f77369cabd75	2448	}
hattori_atsushi	0:f77369cabd75	2449	rcnt = SS(fp->fs) - (fp->fptr % SS(fp->fs)); /* Get partial sector data from sector buffer */
hattori_atsushi	0:f77369cabd75	2450	if (rcnt > btr) rcnt = btr;
hattori_atsushi	0:f77369cabd75	2451	#if _FS_TINY
hattori_atsushi	0:f77369cabd75	2452	if (move_window(fp->fs, fp->dsect)) /* Move sector window */
hattori_atsushi	0:f77369cabd75	2453	ABORT(fp->fs, FR_DISK_ERR);
hattori_atsushi	0:f77369cabd75	2454	mem_cpy(rbuff, &fp->fs->win[fp->fptr % SS(fp->fs)], rcnt); /* Pick partial sector */
hattori_atsushi	0:f77369cabd75	2455	#else
hattori_atsushi	0:f77369cabd75	2456	mem_cpy(rbuff, &fp->buf[fp->fptr % SS(fp->fs)], rcnt); /* Pick partial sector */
hattori_atsushi	0:f77369cabd75	2457	#endif
hattori_atsushi	0:f77369cabd75	2458	}
hattori_atsushi	0:f77369cabd75	2459
hattori_atsushi	0:f77369cabd75	2460	LEAVE_FF(fp->fs, FR_OK);
hattori_atsushi	0:f77369cabd75	2461	}
hattori_atsushi	0:f77369cabd75	2462
hattori_atsushi	0:f77369cabd75	2463
hattori_atsushi	0:f77369cabd75	2464
hattori_atsushi	0:f77369cabd75	2465
hattori_atsushi	0:f77369cabd75	2466	#if !_FS_READONLY
hattori_atsushi	0:f77369cabd75	2467	/-----------------------------------------------------------------------/
hattori_atsushi	0:f77369cabd75	2468	/* Write File */
hattori_atsushi	0:f77369cabd75	2469	/-----------------------------------------------------------------------/
hattori_atsushi	0:f77369cabd75	2470
hattori_atsushi	0:f77369cabd75	2471	FRESULT f_write (
hattori_atsushi	0:f77369cabd75	2472	FIL_t fp, / Pointer to the file object */
hattori_atsushi	0:f77369cabd75	2473	const void buff, / Pointer to the data to be written */
hattori_atsushi	0:f77369cabd75	2474	UINT btw, /* Number of bytes to write */
hattori_atsushi	0:f77369cabd75	2475	UINT bw / Pointer to number of bytes written */
hattori_atsushi	0:f77369cabd75	2476	)
hattori_atsushi	0:f77369cabd75	2477	{
hattori_atsushi	0:f77369cabd75	2478	FRESULT res;
hattori_atsushi	0:f77369cabd75	2479	DWORD clst, sect;
hattori_atsushi	0:f77369cabd75	2480	UINT wcnt, cc;
hattori_atsushi	0:f77369cabd75	2481	const BYTE wbuff = (BYTE)buff;
hattori_atsushi	0:f77369cabd75	2482	BYTE csect;
hattori_atsushi	0:f77369cabd75	2483
hattori_atsushi	0:f77369cabd75	2484
hattori_atsushi	0:f77369cabd75	2485	bw = 0; / Initialize byte counter */
hattori_atsushi	0:f77369cabd75	2486
hattori_atsushi	0:f77369cabd75	2487	res = validate(fp->fs, fp->id); /* Check validity */
hattori_atsushi	0:f77369cabd75	2488	if (res != FR_OK) LEAVE_FF(fp->fs, res);
hattori_atsushi	0:f77369cabd75	2489	if (fp->flag & FA__ERROR) /* Aborted file? */
hattori_atsushi	0:f77369cabd75	2490	LEAVE_FF(fp->fs, FR_INT_ERR);
hattori_atsushi	0:f77369cabd75	2491	if (!(fp->flag & FA_WRITE)) /* Check access mode */
hattori_atsushi	0:f77369cabd75	2492	LEAVE_FF(fp->fs, FR_DENIED);
hattori_atsushi	0:f77369cabd75	2493	if ((DWORD)(fp->fsize + btw) < fp->fsize) btw = 0; /* File size cannot reach 4GB */
hattori_atsushi	0:f77369cabd75	2494
hattori_atsushi	0:f77369cabd75	2495	for ( ; btw; /* Repeat until all data written */
hattori_atsushi	0:f77369cabd75	2496	wbuff += wcnt, fp->fptr += wcnt, *bw += wcnt, btw -= wcnt) {
hattori_atsushi	0:f77369cabd75	2497	if ((fp->fptr % SS(fp->fs)) == 0) { /* On the sector boundary? */
hattori_atsushi	0:f77369cabd75	2498	csect = (BYTE)(fp->fptr / SS(fp->fs) & (fp->fs->csize - 1)); /* Sector offset in the cluster */
hattori_atsushi	0:f77369cabd75	2499	if (!csect) { /* On the cluster boundary? */
hattori_atsushi	0:f77369cabd75	2500	if (fp->fptr == 0) { /* On the top of the file? */
hattori_atsushi	0:f77369cabd75	2501	clst = fp->sclust; /* Follow from the origin */
hattori_atsushi	0:f77369cabd75	2502	if (clst == 0) /* When no cluster is allocated, */
hattori_atsushi	0:f77369cabd75	2503	fp->sclust = clst = create_chain(fp->fs, 0); /* Create a new cluster chain */
hattori_atsushi	0:f77369cabd75	2504	} else { /* Middle or end of the file */
hattori_atsushi	0:f77369cabd75	2505	#if _USE_FASTSEEK
hattori_atsushi	0:f77369cabd75	2506	if (fp->cltbl)
hattori_atsushi	0:f77369cabd75	2507	clst = clmt_clust(fp, fp->fptr); /* Get cluster# from the CLMT */
hattori_atsushi	0:f77369cabd75	2508	else
hattori_atsushi	0:f77369cabd75	2509	#endif
hattori_atsushi	0:f77369cabd75	2510	clst = create_chain(fp->fs, fp->clust); /* Follow or stretch cluster chain on the FAT */
hattori_atsushi	0:f77369cabd75	2511	}
hattori_atsushi	0:f77369cabd75	2512	if (clst == 0) break; /* Could not allocate a new cluster (disk full) */
hattori_atsushi	0:f77369cabd75	2513	if (clst == 1) ABORT(fp->fs, FR_INT_ERR);
hattori_atsushi	0:f77369cabd75	2514	if (clst == 0xFFFFFFFF) ABORT(fp->fs, FR_DISK_ERR);
hattori_atsushi	0:f77369cabd75	2515	fp->clust = clst; /* Update current cluster */
hattori_atsushi	0:f77369cabd75	2516	}
hattori_atsushi	0:f77369cabd75	2517	#if _FS_TINY
hattori_atsushi	0:f77369cabd75	2518	if (fp->fs->winsect == fp->dsect && move_window(fp->fs, 0)) /* Write-back sector cache */
hattori_atsushi	0:f77369cabd75	2519	ABORT(fp->fs, FR_DISK_ERR);
hattori_atsushi	0:f77369cabd75	2520	#else
hattori_atsushi	0:f77369cabd75	2521	if (fp->flag & FA__DIRTY) { /* Write-back sector cache */
hattori_atsushi	0:f77369cabd75	2522	if (disk_write(fp->fs->drv, fp->buf, fp->dsect, 1) != RES_OK)
hattori_atsushi	0:f77369cabd75	2523	ABORT(fp->fs, FR_DISK_ERR);
hattori_atsushi	0:f77369cabd75	2524	fp->flag &= ~FA__DIRTY;
hattori_atsushi	0:f77369cabd75	2525	}
hattori_atsushi	0:f77369cabd75	2526	#endif
hattori_atsushi	0:f77369cabd75	2527	sect = clust2sect(fp->fs, fp->clust); /* Get current sector */
hattori_atsushi	0:f77369cabd75	2528	if (!sect) ABORT(fp->fs, FR_INT_ERR);
hattori_atsushi	0:f77369cabd75	2529	sect += csect;
hattori_atsushi	0:f77369cabd75	2530	cc = btw / SS(fp->fs); /* When remaining bytes >= sector size, */
hattori_atsushi	0:f77369cabd75	2531	if (cc) { /* Write maximum contiguous sectors directly */
hattori_atsushi	0:f77369cabd75	2532	if (csect + cc > fp->fs->csize) /* Clip at cluster boundary */
hattori_atsushi	0:f77369cabd75	2533	cc = fp->fs->csize - csect;
hattori_atsushi	0:f77369cabd75	2534	if (disk_write(fp->fs->drv, wbuff, sect, (BYTE)cc) != RES_OK)
hattori_atsushi	0:f77369cabd75	2535	ABORT(fp->fs, FR_DISK_ERR);
hattori_atsushi	0:f77369cabd75	2536	#if _FS_TINY
hattori_atsushi	0:f77369cabd75	2537	if (fp->fs->winsect - sect < cc) { /* Refill sector cache if it gets invalidated by the direct write */
hattori_atsushi	0:f77369cabd75	2538	mem_cpy(fp->fs->win, wbuff + ((fp->fs->winsect - sect) * SS(fp->fs)), SS(fp->fs));
hattori_atsushi	0:f77369cabd75	2539	fp->fs->wflag = 0;
hattori_atsushi	0:f77369cabd75	2540	}
hattori_atsushi	0:f77369cabd75	2541	#else
hattori_atsushi	0:f77369cabd75	2542	if (fp->dsect - sect < cc) { /* Refill sector cache if it gets invalidated by the direct write */
hattori_atsushi	0:f77369cabd75	2543	mem_cpy(fp->buf, wbuff + ((fp->dsect - sect) * SS(fp->fs)), SS(fp->fs));
hattori_atsushi	0:f77369cabd75	2544	fp->flag &= ~FA__DIRTY;
hattori_atsushi	0:f77369cabd75	2545	}
hattori_atsushi	0:f77369cabd75	2546	#endif
hattori_atsushi	0:f77369cabd75	2547	wcnt = SS(fp->fs) * cc; /* Number of bytes transferred */
hattori_atsushi	0:f77369cabd75	2548	continue;
hattori_atsushi	0:f77369cabd75	2549	}
hattori_atsushi	0:f77369cabd75	2550	#if _FS_TINY
hattori_atsushi	0:f77369cabd75	2551	if (fp->fptr >= fp->fsize) { /* Avoid silly cache filling at growing edge */
hattori_atsushi	0:f77369cabd75	2552	if (move_window(fp->fs, 0)) ABORT(fp->fs, FR_DISK_ERR);
hattori_atsushi	0:f77369cabd75	2553	fp->fs->winsect = sect;
hattori_atsushi	0:f77369cabd75	2554	}
hattori_atsushi	0:f77369cabd75	2555	#else
hattori_atsushi	0:f77369cabd75	2556	if (fp->dsect != sect) { /* Fill sector cache with file data */
hattori_atsushi	0:f77369cabd75	2557	if (fp->fptr < fp->fsize &&
hattori_atsushi	0:f77369cabd75	2558	disk_read(fp->fs->drv, fp->buf, sect, 1) != RES_OK)
hattori_atsushi	0:f77369cabd75	2559	ABORT(fp->fs, FR_DISK_ERR);
hattori_atsushi	0:f77369cabd75	2560	}
hattori_atsushi	0:f77369cabd75	2561	#endif
hattori_atsushi	0:f77369cabd75	2562	fp->dsect = sect;
hattori_atsushi	0:f77369cabd75	2563	}
hattori_atsushi	0:f77369cabd75	2564	wcnt = SS(fp->fs) - (fp->fptr % SS(fp->fs)); /* Put partial sector into file I/O buffer */
hattori_atsushi	0:f77369cabd75	2565	if (wcnt > btw) wcnt = btw;
hattori_atsushi	0:f77369cabd75	2566	#if _FS_TINY
hattori_atsushi	0:f77369cabd75	2567	if (move_window(fp->fs, fp->dsect)) /* Move sector window */
hattori_atsushi	0:f77369cabd75	2568	ABORT(fp->fs, FR_DISK_ERR);
hattori_atsushi	0:f77369cabd75	2569	mem_cpy(&fp->fs->win[fp->fptr % SS(fp->fs)], wbuff, wcnt); /* Fit partial sector */
hattori_atsushi	0:f77369cabd75	2570	fp->fs->wflag = 1;
hattori_atsushi	0:f77369cabd75	2571	#else
hattori_atsushi	0:f77369cabd75	2572	mem_cpy(&fp->buf[fp->fptr % SS(fp->fs)], wbuff, wcnt); /* Fit partial sector */
hattori_atsushi	0:f77369cabd75	2573	fp->flag \|= FA__DIRTY;
hattori_atsushi	0:f77369cabd75	2574	#endif
hattori_atsushi	0:f77369cabd75	2575	}
hattori_atsushi	0:f77369cabd75	2576
hattori_atsushi	0:f77369cabd75	2577	if (fp->fptr > fp->fsize) fp->fsize = fp->fptr; /* Update file size if needed */
hattori_atsushi	0:f77369cabd75	2578	fp->flag \|= FA__WRITTEN; /* Set file change flag */
hattori_atsushi	0:f77369cabd75	2579
hattori_atsushi	0:f77369cabd75	2580	LEAVE_FF(fp->fs, FR_OK);
hattori_atsushi	0:f77369cabd75	2581	}
hattori_atsushi	0:f77369cabd75	2582
hattori_atsushi	0:f77369cabd75	2583
hattori_atsushi	0:f77369cabd75	2584
hattori_atsushi	0:f77369cabd75	2585
hattori_atsushi	0:f77369cabd75	2586	/-----------------------------------------------------------------------/
hattori_atsushi	0:f77369cabd75	2587	/* Synchronize the File Object */
hattori_atsushi	0:f77369cabd75	2588	/-----------------------------------------------------------------------/
hattori_atsushi	0:f77369cabd75	2589
hattori_atsushi	0:f77369cabd75	2590	FRESULT f_sync (
hattori_atsushi	0:f77369cabd75	2591	FIL_t fp / Pointer to the file object */
hattori_atsushi	0:f77369cabd75	2592	)
hattori_atsushi	0:f77369cabd75	2593	{
hattori_atsushi	0:f77369cabd75	2594	FRESULT res;
hattori_atsushi	0:f77369cabd75	2595	DWORD tim;
hattori_atsushi	0:f77369cabd75	2596	BYTE *dir;
hattori_atsushi	0:f77369cabd75	2597
hattori_atsushi	0:f77369cabd75	2598
hattori_atsushi	0:f77369cabd75	2599	res = validate(fp->fs, fp->id); /* Check validity of the object */
hattori_atsushi	0:f77369cabd75	2600	if (res == FR_OK) {
hattori_atsushi	0:f77369cabd75	2601	if (fp->flag & FA__WRITTEN) { /* Has the file been written? */
hattori_atsushi	0:f77369cabd75	2602	#if !_FS_TINY /* Write-back dirty buffer */
hattori_atsushi	0:f77369cabd75	2603	if (fp->flag & FA__DIRTY) {
hattori_atsushi	0:f77369cabd75	2604	if (disk_write(fp->fs->drv, fp->buf, fp->dsect, 1) != RES_OK)
hattori_atsushi	0:f77369cabd75	2605	LEAVE_FF(fp->fs, FR_DISK_ERR);
hattori_atsushi	0:f77369cabd75	2606	fp->flag &= ~FA__DIRTY;
hattori_atsushi	0:f77369cabd75	2607	}
hattori_atsushi	0:f77369cabd75	2608	#endif
hattori_atsushi	0:f77369cabd75	2609	/* Update the directory entry */
hattori_atsushi	0:f77369cabd75	2610	res = move_window(fp->fs, fp->dir_sect);
hattori_atsushi	0:f77369cabd75	2611	if (res == FR_OK) {
hattori_atsushi	0:f77369cabd75	2612	dir = fp->dir_ptr;
hattori_atsushi	0:f77369cabd75	2613	dir[DIR_Attr] \|= AM_ARC; /* Set archive bit */
hattori_atsushi	0:f77369cabd75	2614	ST_DWORD(dir+DIR_FileSize, fp->fsize); /* Update file size */
hattori_atsushi	0:f77369cabd75	2615	ST_CLUST(dir, fp->sclust); /* Update start cluster */
hattori_atsushi	0:f77369cabd75	2616	tim = get_fattime(); /* Update updated time */
hattori_atsushi	0:f77369cabd75	2617	ST_DWORD(dir+DIR_WrtTime, tim);
hattori_atsushi	0:f77369cabd75	2618	fp->flag &= ~FA__WRITTEN;
hattori_atsushi	0:f77369cabd75	2619	fp->fs->wflag = 1;
hattori_atsushi	0:f77369cabd75	2620	res = sync(fp->fs);
hattori_atsushi	0:f77369cabd75	2621	}
hattori_atsushi	0:f77369cabd75	2622	}
hattori_atsushi	0:f77369cabd75	2623	}
hattori_atsushi	0:f77369cabd75	2624
hattori_atsushi	0:f77369cabd75	2625	LEAVE_FF(fp->fs, res);
hattori_atsushi	0:f77369cabd75	2626	}
hattori_atsushi	0:f77369cabd75	2627
hattori_atsushi	0:f77369cabd75	2628	#endif /* !_FS_READONLY */
hattori_atsushi	0:f77369cabd75	2629
hattori_atsushi	0:f77369cabd75	2630
hattori_atsushi	0:f77369cabd75	2631
hattori_atsushi	0:f77369cabd75	2632
hattori_atsushi	0:f77369cabd75	2633	/-----------------------------------------------------------------------/
hattori_atsushi	0:f77369cabd75	2634	/* Close File */
hattori_atsushi	0:f77369cabd75	2635	/-----------------------------------------------------------------------/
hattori_atsushi	0:f77369cabd75	2636
hattori_atsushi	0:f77369cabd75	2637	FRESULT f_close (
hattori_atsushi	0:f77369cabd75	2638	FIL_t fp / Pointer to the file object to be closed */
hattori_atsushi	0:f77369cabd75	2639	)
hattori_atsushi	0:f77369cabd75	2640	{
hattori_atsushi	0:f77369cabd75	2641	FRESULT res;
hattori_atsushi	0:f77369cabd75	2642
hattori_atsushi	0:f77369cabd75	2643	#if _FS_READONLY
hattori_atsushi	0:f77369cabd75	2644	FATFS *fs = fp->fs;
hattori_atsushi	0:f77369cabd75	2645	res = validate(fs, fp->id);
hattori_atsushi	0:f77369cabd75	2646	if (res == FR_OK) fp->fs = 0; /* Discard file object */
hattori_atsushi	0:f77369cabd75	2647	LEAVE_FF(fs, res);
hattori_atsushi	0:f77369cabd75	2648
hattori_atsushi	0:f77369cabd75	2649	#else
hattori_atsushi	0:f77369cabd75	2650	res = f_sync(fp); /* Flush cached data */
hattori_atsushi	0:f77369cabd75	2651	#if _FS_SHARE
hattori_atsushi	0:f77369cabd75	2652	if (res == FR_OK) { /* Decrement open counter */
hattori_atsushi	0:f77369cabd75	2653	#if _FS_REENTRANT
hattori_atsushi	0:f77369cabd75	2654	res = validate(fp->fs, fp->id);
hattori_atsushi	0:f77369cabd75	2655	if (res == FR_OK) {
hattori_atsushi	0:f77369cabd75	2656	res = dec_lock(fp->lockid);
hattori_atsushi	0:f77369cabd75	2657	unlock_fs(fp->fs, FR_OK);
hattori_atsushi	0:f77369cabd75	2658	}
hattori_atsushi	0:f77369cabd75	2659	#else
hattori_atsushi	0:f77369cabd75	2660	res = dec_lock(fp->lockid);
hattori_atsushi	0:f77369cabd75	2661	#endif
hattori_atsushi	0:f77369cabd75	2662	}
hattori_atsushi	0:f77369cabd75	2663	#endif
hattori_atsushi	0:f77369cabd75	2664	if (res == FR_OK) fp->fs = 0; /* Discard file object */
hattori_atsushi	0:f77369cabd75	2665	return res;
hattori_atsushi	0:f77369cabd75	2666	#endif
hattori_atsushi	0:f77369cabd75	2667	}
hattori_atsushi	0:f77369cabd75	2668
hattori_atsushi	0:f77369cabd75	2669
hattori_atsushi	0:f77369cabd75	2670
hattori_atsushi	0:f77369cabd75	2671
hattori_atsushi	0:f77369cabd75	2672	/-----------------------------------------------------------------------/
hattori_atsushi	0:f77369cabd75	2673	/* Current Drive/Directory Handlings */
hattori_atsushi	0:f77369cabd75	2674	/-----------------------------------------------------------------------/
hattori_atsushi	0:f77369cabd75	2675
hattori_atsushi	0:f77369cabd75	2676	#if _FS_RPATH >= 1
hattori_atsushi	0:f77369cabd75	2677
hattori_atsushi	0:f77369cabd75	2678	FRESULT f_chdrive (
hattori_atsushi	0:f77369cabd75	2679	BYTE drv /* Drive number */
hattori_atsushi	0:f77369cabd75	2680	)
hattori_atsushi	0:f77369cabd75	2681	{
hattori_atsushi	0:f77369cabd75	2682	if (drv >= _VOLUMES) return FR_INVALID_DRIVE;
hattori_atsushi	0:f77369cabd75	2683
hattori_atsushi	0:f77369cabd75	2684	CurrVol = drv;
hattori_atsushi	0:f77369cabd75	2685
hattori_atsushi	0:f77369cabd75	2686	return FR_OK;
hattori_atsushi	0:f77369cabd75	2687	}
hattori_atsushi	0:f77369cabd75	2688
hattori_atsushi	0:f77369cabd75	2689
hattori_atsushi	0:f77369cabd75	2690
hattori_atsushi	0:f77369cabd75	2691	FRESULT f_chdir (
hattori_atsushi	0:f77369cabd75	2692	const TCHAR path / Pointer to the directory path */
hattori_atsushi	0:f77369cabd75	2693	)
hattori_atsushi	0:f77369cabd75	2694	{
hattori_atsushi	0:f77369cabd75	2695	FRESULT res;
hattori_atsushi	0:f77369cabd75	2696	DIR_t dj;
hattori_atsushi	0:f77369cabd75	2697	DEF_NAMEBUF;
hattori_atsushi	0:f77369cabd75	2698
hattori_atsushi	0:f77369cabd75	2699
hattori_atsushi	0:f77369cabd75	2700	res = chk_mounted(&path, &dj.fs, 0);
hattori_atsushi	0:f77369cabd75	2701	if (res == FR_OK) {
hattori_atsushi	0:f77369cabd75	2702	INIT_BUF(dj);
hattori_atsushi	0:f77369cabd75	2703	res = follow_path(&dj, path); /* Follow the path */
hattori_atsushi	0:f77369cabd75	2704	FREE_BUF();
hattori_atsushi	0:f77369cabd75	2705	if (res == FR_OK) { /* Follow completed */
hattori_atsushi	0:f77369cabd75	2706	if (!dj.dir) {
hattori_atsushi	0:f77369cabd75	2707	dj.fs->cdir = dj.sclust; /* Start directory itself */
hattori_atsushi	0:f77369cabd75	2708	} else {
hattori_atsushi	0:f77369cabd75	2709	if (dj.dir[DIR_Attr] & AM_DIR) /* Reached to the directory */
hattori_atsushi	0:f77369cabd75	2710	dj.fs->cdir = LD_CLUST(dj.dir);
hattori_atsushi	0:f77369cabd75	2711	else
hattori_atsushi	0:f77369cabd75	2712	res = FR_NO_PATH; /* Reached but a file */
hattori_atsushi	0:f77369cabd75	2713	}
hattori_atsushi	0:f77369cabd75	2714	}
hattori_atsushi	0:f77369cabd75	2715	if (res == FR_NO_FILE) res = FR_NO_PATH;
hattori_atsushi	0:f77369cabd75	2716	}
hattori_atsushi	0:f77369cabd75	2717
hattori_atsushi	0:f77369cabd75	2718	LEAVE_FF(dj.fs, res);
hattori_atsushi	0:f77369cabd75	2719	}
hattori_atsushi	0:f77369cabd75	2720
hattori_atsushi	0:f77369cabd75	2721
hattori_atsushi	0:f77369cabd75	2722	#if _FS_RPATH >= 2
hattori_atsushi	0:f77369cabd75	2723	FRESULT f_getcwd (
hattori_atsushi	0:f77369cabd75	2724	TCHAR path, / Pointer to the directory path */
hattori_atsushi	0:f77369cabd75	2725	UINT sz_path /* Size of path */
hattori_atsushi	0:f77369cabd75	2726	)
hattori_atsushi	0:f77369cabd75	2727	{
hattori_atsushi	0:f77369cabd75	2728	FRESULT res;
hattori_atsushi	0:f77369cabd75	2729	DIR_t dj;
hattori_atsushi	0:f77369cabd75	2730	UINT i, n;
hattori_atsushi	0:f77369cabd75	2731	DWORD ccl;
hattori_atsushi	0:f77369cabd75	2732	TCHAR *tp;
hattori_atsushi	0:f77369cabd75	2733	FILINFO fno;
hattori_atsushi	0:f77369cabd75	2734	DEF_NAMEBUF;
hattori_atsushi	0:f77369cabd75	2735
hattori_atsushi	0:f77369cabd75	2736
hattori_atsushi	0:f77369cabd75	2737	*path = 0;
hattori_atsushi	0:f77369cabd75	2738	res = chk_mounted((const TCHAR*)&path, &dj.fs, 0); / Get current volume */
hattori_atsushi	0:f77369cabd75	2739	if (res == FR_OK) {
hattori_atsushi	0:f77369cabd75	2740	INIT_BUF(dj);
hattori_atsushi	0:f77369cabd75	2741	i = sz_path; /* Bottom of buffer (dir stack base) */
hattori_atsushi	0:f77369cabd75	2742	dj.sclust = dj.fs->cdir; /* Start to follow upper dir from current dir */
hattori_atsushi	0:f77369cabd75	2743	while ((ccl = dj.sclust) != 0) { /* Repeat while current dir is a sub-dir */
hattori_atsushi	0:f77369cabd75	2744	res = dir_sdi(&dj, 1); /* Get parent dir */
hattori_atsushi	0:f77369cabd75	2745	if (res != FR_OK) break;
hattori_atsushi	0:f77369cabd75	2746	res = dir_read(&dj);
hattori_atsushi	0:f77369cabd75	2747	if (res != FR_OK) break;
hattori_atsushi	0:f77369cabd75	2748	dj.sclust = LD_CLUST(dj.dir); /* Goto parent dir */
hattori_atsushi	0:f77369cabd75	2749	res = dir_sdi(&dj, 0);
hattori_atsushi	0:f77369cabd75	2750	if (res != FR_OK) break;
hattori_atsushi	0:f77369cabd75	2751	do { /* Find the entry links to the child dir */
hattori_atsushi	0:f77369cabd75	2752	res = dir_read(&dj);
hattori_atsushi	0:f77369cabd75	2753	if (res != FR_OK) break;
hattori_atsushi	0:f77369cabd75	2754	if (ccl == LD_CLUST(dj.dir)) break; /* Found the entry */
hattori_atsushi	0:f77369cabd75	2755	res = dir_next(&dj, 0);
hattori_atsushi	0:f77369cabd75	2756	} while (res == FR_OK);
hattori_atsushi	0:f77369cabd75	2757	if (res == FR_NO_FILE) res = FR_INT_ERR;/* It cannot be 'not found'. */
hattori_atsushi	0:f77369cabd75	2758	if (res != FR_OK) break;
hattori_atsushi	0:f77369cabd75	2759	#if _USE_LFN
hattori_atsushi	0:f77369cabd75	2760	fno.lfname = path;
hattori_atsushi	0:f77369cabd75	2761	fno.lfsize = i;
hattori_atsushi	0:f77369cabd75	2762	#endif
hattori_atsushi	0:f77369cabd75	2763	get_fileinfo(&dj, &fno); /* Get the dir name and push it to the buffer */
hattori_atsushi	0:f77369cabd75	2764	tp = fno.fname;
hattori_atsushi	0:f77369cabd75	2765	if (_USE_LFN && *path) tp = path;
hattori_atsushi	0:f77369cabd75	2766	for (n = 0; tp[n]; n++) ;
hattori_atsushi	0:f77369cabd75	2767	if (i < n + 3) {
hattori_atsushi	0:f77369cabd75	2768	res = FR_NOT_ENOUGH_CORE; break;
hattori_atsushi	0:f77369cabd75	2769	}
hattori_atsushi	0:f77369cabd75	2770	while (n) path[--i] = tp[--n];
hattori_atsushi	0:f77369cabd75	2771	path[--i] = '/';
hattori_atsushi	0:f77369cabd75	2772	}
hattori_atsushi	0:f77369cabd75	2773	tp = path;
hattori_atsushi	0:f77369cabd75	2774	if (res == FR_OK) {
hattori_atsushi	0:f77369cabd75	2775	tp++ = '0' + CurrVol; / Put drive number */
hattori_atsushi	0:f77369cabd75	2776	*tp++ = ':';
hattori_atsushi	0:f77369cabd75	2777	if (i == sz_path) { /* Root-dir */
hattori_atsushi	0:f77369cabd75	2778	*tp++ = '/';
hattori_atsushi	0:f77369cabd75	2779	} else { /* Sub-dir */
hattori_atsushi	0:f77369cabd75	2780	do /* Add stacked path str */
hattori_atsushi	0:f77369cabd75	2781	*tp++ = path[i++];
hattori_atsushi	0:f77369cabd75	2782	while (i < sz_path);
hattori_atsushi	0:f77369cabd75	2783	}
hattori_atsushi	0:f77369cabd75	2784	}
hattori_atsushi	0:f77369cabd75	2785	*tp = 0;
hattori_atsushi	0:f77369cabd75	2786	FREE_BUF();
hattori_atsushi	0:f77369cabd75	2787	}
hattori_atsushi	0:f77369cabd75	2788
hattori_atsushi	0:f77369cabd75	2789	LEAVE_FF(dj.fs, res);
hattori_atsushi	0:f77369cabd75	2790	}
hattori_atsushi	0:f77369cabd75	2791	#endif /* _FS_RPATH >= 2 */
hattori_atsushi	0:f77369cabd75	2792	#endif /* _FS_RPATH >= 1 */
hattori_atsushi	0:f77369cabd75	2793
hattori_atsushi	0:f77369cabd75	2794
hattori_atsushi	0:f77369cabd75	2795
hattori_atsushi	0:f77369cabd75	2796	#if _FS_MINIMIZE <= 2
hattori_atsushi	0:f77369cabd75	2797	/-----------------------------------------------------------------------/
hattori_atsushi	0:f77369cabd75	2798	/* Seek File R/W Pointer */
hattori_atsushi	0:f77369cabd75	2799	/-----------------------------------------------------------------------/
hattori_atsushi	0:f77369cabd75	2800
hattori_atsushi	0:f77369cabd75	2801	FRESULT f_lseek (
hattori_atsushi	0:f77369cabd75	2802	FIL_t fp, / Pointer to the file object */
hattori_atsushi	0:f77369cabd75	2803	DWORD ofs /* File pointer from top of file */
hattori_atsushi	0:f77369cabd75	2804	)
hattori_atsushi	0:f77369cabd75	2805	{
hattori_atsushi	0:f77369cabd75	2806	FRESULT res;
hattori_atsushi	0:f77369cabd75	2807
hattori_atsushi	0:f77369cabd75	2808
hattori_atsushi	0:f77369cabd75	2809	res = validate(fp->fs, fp->id); /* Check validity of the object */
hattori_atsushi	0:f77369cabd75	2810	if (res != FR_OK) LEAVE_FF(fp->fs, res);
hattori_atsushi	0:f77369cabd75	2811	if (fp->flag & FA__ERROR) /* Check abort flag */
hattori_atsushi	0:f77369cabd75	2812	LEAVE_FF(fp->fs, FR_INT_ERR);
hattori_atsushi	0:f77369cabd75	2813
hattori_atsushi	0:f77369cabd75	2814	#if _USE_FASTSEEK
hattori_atsushi	0:f77369cabd75	2815	if (fp->cltbl) { /* Fast seek */
hattori_atsushi	0:f77369cabd75	2816	DWORD cl, pcl, ncl, tcl, dsc, tlen, ulen, *tbl;
hattori_atsushi	0:f77369cabd75	2817
hattori_atsushi	0:f77369cabd75	2818	if (ofs == CREATE_LINKMAP) { /* Create CLMT */
hattori_atsushi	0:f77369cabd75	2819	tbl = fp->cltbl;
hattori_atsushi	0:f77369cabd75	2820	tlen = tbl++; ulen = 2; / Given table size and required table size */
hattori_atsushi	0:f77369cabd75	2821	cl = fp->sclust; /* Top of the chain */
hattori_atsushi	0:f77369cabd75	2822	if (cl) {
hattori_atsushi	0:f77369cabd75	2823	do {
hattori_atsushi	0:f77369cabd75	2824	/* Get a fragment */
hattori_atsushi	0:f77369cabd75	2825	tcl = cl; ncl = 0; ulen += 2; /* Top, length and used items */
hattori_atsushi	0:f77369cabd75	2826	do {
hattori_atsushi	0:f77369cabd75	2827	pcl = cl; ncl++;
hattori_atsushi	0:f77369cabd75	2828	cl = get_fat(fp->fs, cl);
hattori_atsushi	0:f77369cabd75	2829	if (cl <= 1) ABORT(fp->fs, FR_INT_ERR);
hattori_atsushi	0:f77369cabd75	2830	if (cl == 0xFFFFFFFF) ABORT(fp->fs, FR_DISK_ERR);
hattori_atsushi	0:f77369cabd75	2831	} while (cl == pcl + 1);
hattori_atsushi	0:f77369cabd75	2832	if (ulen <= tlen) { /* Store the length and top of the fragment */
hattori_atsushi	0:f77369cabd75	2833	tbl++ = ncl; tbl++ = tcl;
hattori_atsushi	0:f77369cabd75	2834	}
hattori_atsushi	0:f77369cabd75	2835	} while (cl < fp->fs->n_fatent); /* Repeat until end of chain */
hattori_atsushi	0:f77369cabd75	2836	}
hattori_atsushi	0:f77369cabd75	2837	fp->cltbl = ulen; / Number of items used */
hattori_atsushi	0:f77369cabd75	2838	if (ulen <= tlen)
hattori_atsushi	0:f77369cabd75	2839	tbl = 0; / Terminate table */
hattori_atsushi	0:f77369cabd75	2840	else
hattori_atsushi	0:f77369cabd75	2841	res = FR_NOT_ENOUGH_CORE; /* Given table size is smaller than required */
hattori_atsushi	0:f77369cabd75	2842
hattori_atsushi	0:f77369cabd75	2843	} else { /* Fast seek */
hattori_atsushi	0:f77369cabd75	2844	if (ofs > fp->fsize) /* Clip offset at the file size */
hattori_atsushi	0:f77369cabd75	2845	ofs = fp->fsize;
hattori_atsushi	0:f77369cabd75	2846	fp->fptr = ofs; /* Set file pointer */
hattori_atsushi	0:f77369cabd75	2847	if (ofs) {
hattori_atsushi	0:f77369cabd75	2848	fp->clust = clmt_clust(fp, ofs - 1);
hattori_atsushi	0:f77369cabd75	2849	dsc = clust2sect(fp->fs, fp->clust);
hattori_atsushi	0:f77369cabd75	2850	if (!dsc) ABORT(fp->fs, FR_INT_ERR);
hattori_atsushi	0:f77369cabd75	2851	dsc += (ofs - 1) / SS(fp->fs) & (fp->fs->csize - 1);
hattori_atsushi	0:f77369cabd75	2852	if (fp->fptr % SS(fp->fs) && dsc != fp->dsect) { /* Refill sector cache if needed */
hattori_atsushi	0:f77369cabd75	2853	#if !_FS_TINY
hattori_atsushi	0:f77369cabd75	2854	#if !_FS_READONLY
hattori_atsushi	0:f77369cabd75	2855	if (fp->flag & FA__DIRTY) { /* Write-back dirty sector cache */
hattori_atsushi	0:f77369cabd75	2856	if (disk_write(fp->fs->drv, fp->buf, fp->dsect, 1) != RES_OK)
hattori_atsushi	0:f77369cabd75	2857	ABORT(fp->fs, FR_DISK_ERR);
hattori_atsushi	0:f77369cabd75	2858	fp->flag &= ~FA__DIRTY;
hattori_atsushi	0:f77369cabd75	2859	}
hattori_atsushi	0:f77369cabd75	2860	#endif
hattori_atsushi	0:f77369cabd75	2861	if (disk_read(fp->fs->drv, fp->buf, dsc, 1) != RES_OK) /* Load current sector */
hattori_atsushi	0:f77369cabd75	2862	ABORT(fp->fs, FR_DISK_ERR);
hattori_atsushi	0:f77369cabd75	2863	#endif
hattori_atsushi	0:f77369cabd75	2864	fp->dsect = dsc;
hattori_atsushi	0:f77369cabd75	2865	}
hattori_atsushi	0:f77369cabd75	2866	}
hattori_atsushi	0:f77369cabd75	2867	}
hattori_atsushi	0:f77369cabd75	2868	} else
hattori_atsushi	0:f77369cabd75	2869	#endif
hattori_atsushi	0:f77369cabd75	2870
hattori_atsushi	0:f77369cabd75	2871	/* Normal Seek */
hattori_atsushi	0:f77369cabd75	2872	{
hattori_atsushi	0:f77369cabd75	2873	DWORD clst, bcs, nsect, ifptr;
hattori_atsushi	0:f77369cabd75	2874
hattori_atsushi	0:f77369cabd75	2875	if (ofs > fp->fsize /* In read-only mode, clip offset with the file size */
hattori_atsushi	0:f77369cabd75	2876	#if !_FS_READONLY
hattori_atsushi	0:f77369cabd75	2877	&& !(fp->flag & FA_WRITE)
hattori_atsushi	0:f77369cabd75	2878	#endif
hattori_atsushi	0:f77369cabd75	2879	) ofs = fp->fsize;
hattori_atsushi	0:f77369cabd75	2880
hattori_atsushi	0:f77369cabd75	2881	ifptr = fp->fptr;
hattori_atsushi	0:f77369cabd75	2882	fp->fptr = nsect = 0;
hattori_atsushi	0:f77369cabd75	2883	if (ofs) {
hattori_atsushi	0:f77369cabd75	2884	bcs = (DWORD)fp->fs->csize * SS(fp->fs); /* Cluster size (byte) */
hattori_atsushi	0:f77369cabd75	2885	if (ifptr > 0 &&
hattori_atsushi	0:f77369cabd75	2886	(ofs - 1) / bcs >= (ifptr - 1) / bcs) { /* When seek to same or following cluster, */
hattori_atsushi	0:f77369cabd75	2887	fp->fptr = (ifptr - 1) & ~(bcs - 1); /* start from the current cluster */
hattori_atsushi	0:f77369cabd75	2888	ofs -= fp->fptr;
hattori_atsushi	0:f77369cabd75	2889	clst = fp->clust;
hattori_atsushi	0:f77369cabd75	2890	} else { /* When seek to back cluster, */
hattori_atsushi	0:f77369cabd75	2891	clst = fp->sclust; /* start from the first cluster */
hattori_atsushi	0:f77369cabd75	2892	#if !_FS_READONLY
hattori_atsushi	0:f77369cabd75	2893	if (clst == 0) { /* If no cluster chain, create a new chain */
hattori_atsushi	0:f77369cabd75	2894	clst = create_chain(fp->fs, 0);
hattori_atsushi	0:f77369cabd75	2895	if (clst == 1) ABORT(fp->fs, FR_INT_ERR);
hattori_atsushi	0:f77369cabd75	2896	if (clst == 0xFFFFFFFF) ABORT(fp->fs, FR_DISK_ERR);
hattori_atsushi	0:f77369cabd75	2897	fp->sclust = clst;
hattori_atsushi	0:f77369cabd75	2898	}
hattori_atsushi	0:f77369cabd75	2899	#endif
hattori_atsushi	0:f77369cabd75	2900	fp->clust = clst;
hattori_atsushi	0:f77369cabd75	2901	}
hattori_atsushi	0:f77369cabd75	2902	if (clst != 0) {
hattori_atsushi	0:f77369cabd75	2903	while (ofs > bcs) { /* Cluster following loop */
hattori_atsushi	0:f77369cabd75	2904	#if !_FS_READONLY
hattori_atsushi	0:f77369cabd75	2905	if (fp->flag & FA_WRITE) { /* Check if in write mode or not */
hattori_atsushi	0:f77369cabd75	2906	clst = create_chain(fp->fs, clst); /* Force stretch if in write mode */
hattori_atsushi	0:f77369cabd75	2907	if (clst == 0) { /* When disk gets full, clip file size */
hattori_atsushi	0:f77369cabd75	2908	ofs = bcs; break;
hattori_atsushi	0:f77369cabd75	2909	}
hattori_atsushi	0:f77369cabd75	2910	} else
hattori_atsushi	0:f77369cabd75	2911	#endif
hattori_atsushi	0:f77369cabd75	2912	clst = get_fat(fp->fs, clst); /* Follow cluster chain if not in write mode */
hattori_atsushi	0:f77369cabd75	2913	if (clst == 0xFFFFFFFF) ABORT(fp->fs, FR_DISK_ERR);
hattori_atsushi	0:f77369cabd75	2914	if (clst <= 1 \|\| clst >= fp->fs->n_fatent) ABORT(fp->fs, FR_INT_ERR);
hattori_atsushi	0:f77369cabd75	2915	fp->clust = clst;
hattori_atsushi	0:f77369cabd75	2916	fp->fptr += bcs;
hattori_atsushi	0:f77369cabd75	2917	ofs -= bcs;
hattori_atsushi	0:f77369cabd75	2918	}
hattori_atsushi	0:f77369cabd75	2919	fp->fptr += ofs;
hattori_atsushi	0:f77369cabd75	2920	if (ofs % SS(fp->fs)) {
hattori_atsushi	0:f77369cabd75	2921	nsect = clust2sect(fp->fs, clst); /* Current sector */
hattori_atsushi	0:f77369cabd75	2922	if (!nsect) ABORT(fp->fs, FR_INT_ERR);
hattori_atsushi	0:f77369cabd75	2923	nsect += ofs / SS(fp->fs);
hattori_atsushi	0:f77369cabd75	2924	}
hattori_atsushi	0:f77369cabd75	2925	}
hattori_atsushi	0:f77369cabd75	2926	}
hattori_atsushi	0:f77369cabd75	2927	if (fp->fptr % SS(fp->fs) && nsect != fp->dsect) { /* Fill sector cache if needed */
hattori_atsushi	0:f77369cabd75	2928	#if !_FS_TINY
hattori_atsushi	0:f77369cabd75	2929	#if !_FS_READONLY
hattori_atsushi	0:f77369cabd75	2930	if (fp->flag & FA__DIRTY) { /* Write-back dirty sector cache */
hattori_atsushi	0:f77369cabd75	2931	if (disk_write(fp->fs->drv, fp->buf, fp->dsect, 1) != RES_OK)
hattori_atsushi	0:f77369cabd75	2932	ABORT(fp->fs, FR_DISK_ERR);
hattori_atsushi	0:f77369cabd75	2933	fp->flag &= ~FA__DIRTY;
hattori_atsushi	0:f77369cabd75	2934	}
hattori_atsushi	0:f77369cabd75	2935	#endif
hattori_atsushi	0:f77369cabd75	2936	if (disk_read(fp->fs->drv, fp->buf, nsect, 1) != RES_OK) /* Fill sector cache */
hattori_atsushi	0:f77369cabd75	2937	ABORT(fp->fs, FR_DISK_ERR);
hattori_atsushi	0:f77369cabd75	2938	#endif
hattori_atsushi	0:f77369cabd75	2939	fp->dsect = nsect;
hattori_atsushi	0:f77369cabd75	2940	}
hattori_atsushi	0:f77369cabd75	2941	#if !_FS_READONLY
hattori_atsushi	0:f77369cabd75	2942	if (fp->fptr > fp->fsize) { /* Set file change flag if the file size is extended */
hattori_atsushi	0:f77369cabd75	2943	fp->fsize = fp->fptr;
hattori_atsushi	0:f77369cabd75	2944	fp->flag \|= FA__WRITTEN;
hattori_atsushi	0:f77369cabd75	2945	}
hattori_atsushi	0:f77369cabd75	2946	#endif
hattori_atsushi	0:f77369cabd75	2947	}
hattori_atsushi	0:f77369cabd75	2948
hattori_atsushi	0:f77369cabd75	2949	LEAVE_FF(fp->fs, res);
hattori_atsushi	0:f77369cabd75	2950	}
hattori_atsushi	0:f77369cabd75	2951
hattori_atsushi	0:f77369cabd75	2952
hattori_atsushi	0:f77369cabd75	2953
hattori_atsushi	0:f77369cabd75	2954	#if _FS_MINIMIZE <= 1
hattori_atsushi	0:f77369cabd75	2955	/-----------------------------------------------------------------------/
hattori_atsushi	0:f77369cabd75	2956	/* Create a Directroy Object */
hattori_atsushi	0:f77369cabd75	2957	/-----------------------------------------------------------------------/
hattori_atsushi	0:f77369cabd75	2958
hattori_atsushi	0:f77369cabd75	2959	FRESULT f_opendir (
hattori_atsushi	0:f77369cabd75	2960	DIR_t dj, / Pointer to directory object to create */
hattori_atsushi	0:f77369cabd75	2961	const TCHAR path / Pointer to the directory path */
hattori_atsushi	0:f77369cabd75	2962	)
hattori_atsushi	0:f77369cabd75	2963	{
hattori_atsushi	0:f77369cabd75	2964	FRESULT res;
hattori_atsushi	0:f77369cabd75	2965	DEF_NAMEBUF;
hattori_atsushi	0:f77369cabd75	2966
hattori_atsushi	0:f77369cabd75	2967
hattori_atsushi	0:f77369cabd75	2968	res = chk_mounted(&path, &dj->fs, 0);
hattori_atsushi	0:f77369cabd75	2969	if (res == FR_OK) {
hattori_atsushi	0:f77369cabd75	2970	INIT_BUF(*dj);
hattori_atsushi	0:f77369cabd75	2971	res = follow_path(dj, path); /* Follow the path to the directory */
hattori_atsushi	0:f77369cabd75	2972	FREE_BUF();
hattori_atsushi	0:f77369cabd75	2973	if (res == FR_OK) { /* Follow completed */
hattori_atsushi	0:f77369cabd75	2974	if (dj->dir) { /* It is not the root dir */
hattori_atsushi	0:f77369cabd75	2975	if (dj->dir[DIR_Attr] & AM_DIR) { /* The object is a directory */
hattori_atsushi	0:f77369cabd75	2976	dj->sclust = LD_CLUST(dj->dir);
hattori_atsushi	0:f77369cabd75	2977	} else { /* The object is not a directory */
hattori_atsushi	0:f77369cabd75	2978	res = FR_NO_PATH;
hattori_atsushi	0:f77369cabd75	2979	}
hattori_atsushi	0:f77369cabd75	2980	}
hattori_atsushi	0:f77369cabd75	2981	if (res == FR_OK) {
hattori_atsushi	0:f77369cabd75	2982	dj->id = dj->fs->id;
hattori_atsushi	0:f77369cabd75	2983	res = dir_sdi(dj, 0); /* Rewind dir */
hattori_atsushi	0:f77369cabd75	2984	}
hattori_atsushi	0:f77369cabd75	2985	}
hattori_atsushi	0:f77369cabd75	2986	if (res == FR_NO_FILE) res = FR_NO_PATH;
hattori_atsushi	0:f77369cabd75	2987	}
hattori_atsushi	0:f77369cabd75	2988
hattori_atsushi	0:f77369cabd75	2989	LEAVE_FF(dj->fs, res);
hattori_atsushi	0:f77369cabd75	2990	}
hattori_atsushi	0:f77369cabd75	2991
hattori_atsushi	0:f77369cabd75	2992
hattori_atsushi	0:f77369cabd75	2993
hattori_atsushi	0:f77369cabd75	2994
hattori_atsushi	0:f77369cabd75	2995	/-----------------------------------------------------------------------/
hattori_atsushi	0:f77369cabd75	2996	/* Read Directory Entry in Sequense */
hattori_atsushi	0:f77369cabd75	2997	/-----------------------------------------------------------------------/
hattori_atsushi	0:f77369cabd75	2998
hattori_atsushi	0:f77369cabd75	2999	FRESULT f_readdir (
hattori_atsushi	0:f77369cabd75	3000	DIR_t dj, / Pointer to the open directory object */
hattori_atsushi	0:f77369cabd75	3001	FILINFO fno / Pointer to file information to return */
hattori_atsushi	0:f77369cabd75	3002	)
hattori_atsushi	0:f77369cabd75	3003	{
hattori_atsushi	0:f77369cabd75	3004	FRESULT res;
hattori_atsushi	0:f77369cabd75	3005	DEF_NAMEBUF;
hattori_atsushi	0:f77369cabd75	3006
hattori_atsushi	0:f77369cabd75	3007	res = validate(dj->fs, dj->id); /* Check validity of the object */
hattori_atsushi	0:f77369cabd75	3008	if (res == FR_OK) {
hattori_atsushi	0:f77369cabd75	3009	if (!fno) {
hattori_atsushi	0:f77369cabd75	3010	res = dir_sdi(dj, 0); /* Rewind the directory object */
hattori_atsushi	0:f77369cabd75	3011	} else {
hattori_atsushi	0:f77369cabd75	3012	INIT_BUF(*dj);
hattori_atsushi	0:f77369cabd75	3013	res = dir_read(dj); /* Read an directory item */
hattori_atsushi	0:f77369cabd75	3014	if (res == FR_NO_FILE) { /* Reached end of dir */
hattori_atsushi	0:f77369cabd75	3015	dj->sect = 0;
hattori_atsushi	0:f77369cabd75	3016	res = FR_OK;
hattori_atsushi	0:f77369cabd75	3017	}
hattori_atsushi	0:f77369cabd75	3018	if (res == FR_OK) { /* A valid entry is found */
hattori_atsushi	0:f77369cabd75	3019	get_fileinfo(dj, fno); /* Get the object information */
hattori_atsushi	0:f77369cabd75	3020	res = dir_next(dj, 0); /* Increment index for next */
hattori_atsushi	0:f77369cabd75	3021	if (res == FR_NO_FILE) {
hattori_atsushi	0:f77369cabd75	3022	dj->sect = 0;
hattori_atsushi	0:f77369cabd75	3023	res = FR_OK;
hattori_atsushi	0:f77369cabd75	3024	}
hattori_atsushi	0:f77369cabd75	3025	}
hattori_atsushi	0:f77369cabd75	3026	FREE_BUF();
hattori_atsushi	0:f77369cabd75	3027	}
hattori_atsushi	0:f77369cabd75	3028	}
hattori_atsushi	0:f77369cabd75	3029
hattori_atsushi	0:f77369cabd75	3030	LEAVE_FF(dj->fs, res);
hattori_atsushi	0:f77369cabd75	3031	}
hattori_atsushi	0:f77369cabd75	3032
hattori_atsushi	0:f77369cabd75	3033
hattori_atsushi	0:f77369cabd75	3034
hattori_atsushi	0:f77369cabd75	3035	#if _FS_MINIMIZE == 0
hattori_atsushi	0:f77369cabd75	3036	/-----------------------------------------------------------------------/
hattori_atsushi	0:f77369cabd75	3037	/* Get File Status */
hattori_atsushi	0:f77369cabd75	3038	/-----------------------------------------------------------------------/
hattori_atsushi	0:f77369cabd75	3039
hattori_atsushi	0:f77369cabd75	3040	FRESULT f_stat (
hattori_atsushi	0:f77369cabd75	3041	const TCHAR path, / Pointer to the file path */
hattori_atsushi	0:f77369cabd75	3042	FILINFO fno / Pointer to file information to return */
hattori_atsushi	0:f77369cabd75	3043	)
hattori_atsushi	0:f77369cabd75	3044	{
hattori_atsushi	0:f77369cabd75	3045	FRESULT res;
hattori_atsushi	0:f77369cabd75	3046	DIR_t dj;
hattori_atsushi	0:f77369cabd75	3047	DEF_NAMEBUF;
hattori_atsushi	0:f77369cabd75	3048
hattori_atsushi	0:f77369cabd75	3049
hattori_atsushi	0:f77369cabd75	3050	res = chk_mounted(&path, &dj.fs, 0);
hattori_atsushi	0:f77369cabd75	3051	if (res == FR_OK) {
hattori_atsushi	0:f77369cabd75	3052	INIT_BUF(dj);
hattori_atsushi	0:f77369cabd75	3053	res = follow_path(&dj, path); /* Follow the file path */
hattori_atsushi	0:f77369cabd75	3054	if (res == FR_OK) { /* Follow completed */
hattori_atsushi	0:f77369cabd75	3055	if (dj.dir) /* Found an object */
hattori_atsushi	0:f77369cabd75	3056	get_fileinfo(&dj, fno);
hattori_atsushi	0:f77369cabd75	3057	else /* It is root dir */
hattori_atsushi	0:f77369cabd75	3058	res = FR_INVALID_NAME;
hattori_atsushi	0:f77369cabd75	3059	}
hattori_atsushi	0:f77369cabd75	3060	FREE_BUF();
hattori_atsushi	0:f77369cabd75	3061	}
hattori_atsushi	0:f77369cabd75	3062
hattori_atsushi	0:f77369cabd75	3063	LEAVE_FF(dj.fs, res);
hattori_atsushi	0:f77369cabd75	3064	}
hattori_atsushi	0:f77369cabd75	3065
hattori_atsushi	0:f77369cabd75	3066
hattori_atsushi	0:f77369cabd75	3067
hattori_atsushi	0:f77369cabd75	3068	#if !_FS_READONLY
hattori_atsushi	0:f77369cabd75	3069	/-----------------------------------------------------------------------/
hattori_atsushi	0:f77369cabd75	3070	/* Get Number of Free Clusters */
hattori_atsushi	0:f77369cabd75	3071	/-----------------------------------------------------------------------/
hattori_atsushi	0:f77369cabd75	3072
hattori_atsushi	0:f77369cabd75	3073	FRESULT f_getfree (
hattori_atsushi	0:f77369cabd75	3074	const TCHAR path, / Pointer to the logical drive number (root dir) */
hattori_atsushi	0:f77369cabd75	3075	DWORD nclst, / Pointer to the variable to return number of free clusters */
hattori_atsushi	0:f77369cabd75	3076	FATFS *fatfs / Pointer to pointer to corresponding file system object to return */
hattori_atsushi	0:f77369cabd75	3077	)
hattori_atsushi	0:f77369cabd75	3078	{
hattori_atsushi	0:f77369cabd75	3079	FRESULT res;
hattori_atsushi	0:f77369cabd75	3080	DWORD n, clst, sect, stat;
hattori_atsushi	0:f77369cabd75	3081	UINT i;
hattori_atsushi	0:f77369cabd75	3082	BYTE fat, *p;
hattori_atsushi	0:f77369cabd75	3083
hattori_atsushi	0:f77369cabd75	3084
hattori_atsushi	0:f77369cabd75	3085	/* Get drive number */
hattori_atsushi	0:f77369cabd75	3086	res = chk_mounted(&path, fatfs, 0);
hattori_atsushi	0:f77369cabd75	3087	if (res == FR_OK) {
hattori_atsushi	0:f77369cabd75	3088	/* If free_clust is valid, return it without full cluster scan */
hattori_atsushi	0:f77369cabd75	3089	if ((fatfs)->free_clust <= (fatfs)->n_fatent - 2) {
hattori_atsushi	0:f77369cabd75	3090	nclst = (fatfs)->free_clust;
hattori_atsushi	0:f77369cabd75	3091	} else {
hattori_atsushi	0:f77369cabd75	3092	/* Get number of free clusters */
hattori_atsushi	0:f77369cabd75	3093	fat = (*fatfs)->fs_type;
hattori_atsushi	0:f77369cabd75	3094	n = 0;
hattori_atsushi	0:f77369cabd75	3095	if (fat == FS_FAT12) {
hattori_atsushi	0:f77369cabd75	3096	clst = 2;
hattori_atsushi	0:f77369cabd75	3097	do {
hattori_atsushi	0:f77369cabd75	3098	stat = get_fat(*fatfs, clst);
hattori_atsushi	0:f77369cabd75	3099	if (stat == 0xFFFFFFFF) { res = FR_DISK_ERR; break; }
hattori_atsushi	0:f77369cabd75	3100	if (stat == 1) { res = FR_INT_ERR; break; }
hattori_atsushi	0:f77369cabd75	3101	if (stat == 0) n++;
hattori_atsushi	0:f77369cabd75	3102	} while (++clst < (*fatfs)->n_fatent);
hattori_atsushi	0:f77369cabd75	3103	} else {
hattori_atsushi	0:f77369cabd75	3104	clst = (*fatfs)->n_fatent;
hattori_atsushi	0:f77369cabd75	3105	sect = (*fatfs)->fatbase;
hattori_atsushi	0:f77369cabd75	3106	i = 0; p = 0;
hattori_atsushi	0:f77369cabd75	3107	do {
hattori_atsushi	0:f77369cabd75	3108	if (!i) {
hattori_atsushi	0:f77369cabd75	3109	res = move_window(*fatfs, sect++);
hattori_atsushi	0:f77369cabd75	3110	if (res != FR_OK) break;
hattori_atsushi	0:f77369cabd75	3111	p = (*fatfs)->win;
hattori_atsushi	0:f77369cabd75	3112	i = SS(*fatfs);
hattori_atsushi	0:f77369cabd75	3113	}
hattori_atsushi	0:f77369cabd75	3114	if (fat == FS_FAT16) {
hattori_atsushi	0:f77369cabd75	3115	if (LD_WORD(p) == 0) n++;
hattori_atsushi	0:f77369cabd75	3116	p += 2; i -= 2;
hattori_atsushi	0:f77369cabd75	3117	} else {
hattori_atsushi	0:f77369cabd75	3118	if ((LD_DWORD(p) & 0x0FFFFFFF) == 0) n++;
hattori_atsushi	0:f77369cabd75	3119	p += 4; i -= 4;
hattori_atsushi	0:f77369cabd75	3120	}
hattori_atsushi	0:f77369cabd75	3121	} while (--clst);
hattori_atsushi	0:f77369cabd75	3122	}
hattori_atsushi	0:f77369cabd75	3123	(*fatfs)->free_clust = n;
hattori_atsushi	0:f77369cabd75	3124	if (fat == FS_FAT32) (*fatfs)->fsi_flag = 1;
hattori_atsushi	0:f77369cabd75	3125	*nclst = n;
hattori_atsushi	0:f77369cabd75	3126	}
hattori_atsushi	0:f77369cabd75	3127	}
hattori_atsushi	0:f77369cabd75	3128	LEAVE_FF(*fatfs, res);
hattori_atsushi	0:f77369cabd75	3129	}
hattori_atsushi	0:f77369cabd75	3130
hattori_atsushi	0:f77369cabd75	3131
hattori_atsushi	0:f77369cabd75	3132
hattori_atsushi	0:f77369cabd75	3133
hattori_atsushi	0:f77369cabd75	3134	/-----------------------------------------------------------------------/
hattori_atsushi	0:f77369cabd75	3135	/* Truncate File */
hattori_atsushi	0:f77369cabd75	3136	/-----------------------------------------------------------------------/
hattori_atsushi	0:f77369cabd75	3137
hattori_atsushi	0:f77369cabd75	3138	FRESULT f_truncate (
hattori_atsushi	0:f77369cabd75	3139	FIL_t fp / Pointer to the file object */
hattori_atsushi	0:f77369cabd75	3140	)
hattori_atsushi	0:f77369cabd75	3141	{
hattori_atsushi	0:f77369cabd75	3142	FRESULT res;
hattori_atsushi	0:f77369cabd75	3143	DWORD ncl;
hattori_atsushi	0:f77369cabd75	3144
hattori_atsushi	0:f77369cabd75	3145
hattori_atsushi	0:f77369cabd75	3146	res = validate(fp->fs, fp->id); /* Check validity of the object */
hattori_atsushi	0:f77369cabd75	3147	if (res == FR_OK) {
hattori_atsushi	0:f77369cabd75	3148	if (fp->flag & FA__ERROR) { /* Check abort flag */
hattori_atsushi	0:f77369cabd75	3149	res = FR_INT_ERR;
hattori_atsushi	0:f77369cabd75	3150	} else {
hattori_atsushi	0:f77369cabd75	3151	if (!(fp->flag & FA_WRITE)) /* Check access mode */
hattori_atsushi	0:f77369cabd75	3152	res = FR_DENIED;
hattori_atsushi	0:f77369cabd75	3153	}
hattori_atsushi	0:f77369cabd75	3154	}
hattori_atsushi	0:f77369cabd75	3155	if (res == FR_OK) {
hattori_atsushi	0:f77369cabd75	3156	if (fp->fsize > fp->fptr) {
hattori_atsushi	0:f77369cabd75	3157	fp->fsize = fp->fptr; /* Set file size to current R/W point */
hattori_atsushi	0:f77369cabd75	3158	fp->flag \|= FA__WRITTEN;
hattori_atsushi	0:f77369cabd75	3159	if (fp->fptr == 0) { /* When set file size to zero, remove entire cluster chain */
hattori_atsushi	0:f77369cabd75	3160	res = remove_chain(fp->fs, fp->sclust);
hattori_atsushi	0:f77369cabd75	3161	fp->sclust = 0;
hattori_atsushi	0:f77369cabd75	3162	} else { /* When truncate a part of the file, remove remaining clusters */
hattori_atsushi	0:f77369cabd75	3163	ncl = get_fat(fp->fs, fp->clust);
hattori_atsushi	0:f77369cabd75	3164	res = FR_OK;
hattori_atsushi	0:f77369cabd75	3165	if (ncl == 0xFFFFFFFF) res = FR_DISK_ERR;
hattori_atsushi	0:f77369cabd75	3166	if (ncl == 1) res = FR_INT_ERR;
hattori_atsushi	0:f77369cabd75	3167	if (res == FR_OK && ncl < fp->fs->n_fatent) {
hattori_atsushi	0:f77369cabd75	3168	res = put_fat(fp->fs, fp->clust, 0x0FFFFFFF);
hattori_atsushi	0:f77369cabd75	3169	if (res == FR_OK) res = remove_chain(fp->fs, ncl);
hattori_atsushi	0:f77369cabd75	3170	}
hattori_atsushi	0:f77369cabd75	3171	}
hattori_atsushi	0:f77369cabd75	3172	}
hattori_atsushi	0:f77369cabd75	3173	if (res != FR_OK) fp->flag \|= FA__ERROR;
hattori_atsushi	0:f77369cabd75	3174	}
hattori_atsushi	0:f77369cabd75	3175
hattori_atsushi	0:f77369cabd75	3176	LEAVE_FF(fp->fs, res);
hattori_atsushi	0:f77369cabd75	3177	}
hattori_atsushi	0:f77369cabd75	3178
hattori_atsushi	0:f77369cabd75	3179
hattori_atsushi	0:f77369cabd75	3180
hattori_atsushi	0:f77369cabd75	3181
hattori_atsushi	0:f77369cabd75	3182	/-----------------------------------------------------------------------/
hattori_atsushi	0:f77369cabd75	3183	/* Delete a File or Directory */
hattori_atsushi	0:f77369cabd75	3184	/-----------------------------------------------------------------------/
hattori_atsushi	0:f77369cabd75	3185
hattori_atsushi	0:f77369cabd75	3186	FRESULT f_unlink (
hattori_atsushi	0:f77369cabd75	3187	const TCHAR path / Pointer to the file or directory path */
hattori_atsushi	0:f77369cabd75	3188	)
hattori_atsushi	0:f77369cabd75	3189	{
hattori_atsushi	0:f77369cabd75	3190	FRESULT res;
hattori_atsushi	0:f77369cabd75	3191	DIR_t dj, sdj;
hattori_atsushi	0:f77369cabd75	3192	BYTE *dir;
hattori_atsushi	0:f77369cabd75	3193	DWORD dclst;
hattori_atsushi	0:f77369cabd75	3194	DEF_NAMEBUF;
hattori_atsushi	0:f77369cabd75	3195
hattori_atsushi	0:f77369cabd75	3196
hattori_atsushi	0:f77369cabd75	3197	res = chk_mounted(&path, &dj.fs, 1);
hattori_atsushi	0:f77369cabd75	3198	if (res == FR_OK) {
hattori_atsushi	0:f77369cabd75	3199	INIT_BUF(dj);
hattori_atsushi	0:f77369cabd75	3200	res = follow_path(&dj, path); /* Follow the file path */
hattori_atsushi	0:f77369cabd75	3201	if (_FS_RPATH && res == FR_OK && (dj.fn[NS] & NS_DOT))
hattori_atsushi	0:f77369cabd75	3202	res = FR_INVALID_NAME; /* Cannot remove dot entry */
hattori_atsushi	0:f77369cabd75	3203	#if _FS_SHARE
hattori_atsushi	0:f77369cabd75	3204	if (res == FR_OK) res = chk_lock(&dj, 2); /* Cannot remove open file */
hattori_atsushi	0:f77369cabd75	3205	#endif
hattori_atsushi	0:f77369cabd75	3206	if (res == FR_OK) { /* The object is accessible */
hattori_atsushi	0:f77369cabd75	3207	dir = dj.dir;
hattori_atsushi	0:f77369cabd75	3208	if (!dir) {
hattori_atsushi	0:f77369cabd75	3209	res = FR_INVALID_NAME; /* Cannot remove the start directory */
hattori_atsushi	0:f77369cabd75	3210	} else {
hattori_atsushi	0:f77369cabd75	3211	if (dir[DIR_Attr] & AM_RDO)
hattori_atsushi	0:f77369cabd75	3212	res = FR_DENIED; /* Cannot remove R/O object */
hattori_atsushi	0:f77369cabd75	3213	}
hattori_atsushi	0:f77369cabd75	3214	dclst = LD_CLUST(dir);
hattori_atsushi	0:f77369cabd75	3215	if (res == FR_OK && (dir[DIR_Attr] & AM_DIR)) { /* Is it a sub-dir? */
hattori_atsushi	0:f77369cabd75	3216	if (dclst < 2) {
hattori_atsushi	0:f77369cabd75	3217	res = FR_INT_ERR;
hattori_atsushi	0:f77369cabd75	3218	} else {
hattori_atsushi	0:f77369cabd75	3219	mem_cpy(&sdj, &dj, sizeof(DIR_t)); /* Check if the sub-dir is empty or not */
hattori_atsushi	0:f77369cabd75	3220	sdj.sclust = dclst;
hattori_atsushi	0:f77369cabd75	3221	res = dir_sdi(&sdj, 2); /* Exclude dot entries */
hattori_atsushi	0:f77369cabd75	3222	if (res == FR_OK) {
hattori_atsushi	0:f77369cabd75	3223	res = dir_read(&sdj);
hattori_atsushi	0:f77369cabd75	3224	if (res == FR_OK /* Not empty dir */
hattori_atsushi	0:f77369cabd75	3225	#if _FS_RPATH
hattori_atsushi	0:f77369cabd75	3226	\|\| dclst == sdj.fs->cdir /* Current dir */
hattori_atsushi	0:f77369cabd75	3227	#endif
hattori_atsushi	0:f77369cabd75	3228	) res = FR_DENIED;
hattori_atsushi	0:f77369cabd75	3229	if (res == FR_NO_FILE) res = FR_OK; /* Empty */
hattori_atsushi	0:f77369cabd75	3230	}
hattori_atsushi	0:f77369cabd75	3231	}
hattori_atsushi	0:f77369cabd75	3232	}
hattori_atsushi	0:f77369cabd75	3233	if (res == FR_OK) {
hattori_atsushi	0:f77369cabd75	3234	res = dir_remove(&dj); /* Remove the directory entry */
hattori_atsushi	0:f77369cabd75	3235	if (res == FR_OK) {
hattori_atsushi	0:f77369cabd75	3236	if (dclst) /* Remove the cluster chain if exist */
hattori_atsushi	0:f77369cabd75	3237	res = remove_chain(dj.fs, dclst);
hattori_atsushi	0:f77369cabd75	3238	if (res == FR_OK) res = sync(dj.fs);
hattori_atsushi	0:f77369cabd75	3239	}
hattori_atsushi	0:f77369cabd75	3240	}
hattori_atsushi	0:f77369cabd75	3241	}
hattori_atsushi	0:f77369cabd75	3242	FREE_BUF();
hattori_atsushi	0:f77369cabd75	3243	}
hattori_atsushi	0:f77369cabd75	3244	LEAVE_FF(dj.fs, res);
hattori_atsushi	0:f77369cabd75	3245	}
hattori_atsushi	0:f77369cabd75	3246
hattori_atsushi	0:f77369cabd75	3247
hattori_atsushi	0:f77369cabd75	3248
hattori_atsushi	0:f77369cabd75	3249
hattori_atsushi	0:f77369cabd75	3250	/-----------------------------------------------------------------------/
hattori_atsushi	0:f77369cabd75	3251	/* Create a Directory */
hattori_atsushi	0:f77369cabd75	3252	/-----------------------------------------------------------------------/
hattori_atsushi	0:f77369cabd75	3253
hattori_atsushi	0:f77369cabd75	3254	FRESULT f_mkdir (
hattori_atsushi	0:f77369cabd75	3255	const TCHAR path / Pointer to the directory path */
hattori_atsushi	0:f77369cabd75	3256	)
hattori_atsushi	0:f77369cabd75	3257	{
hattori_atsushi	0:f77369cabd75	3258	FRESULT res;
hattori_atsushi	0:f77369cabd75	3259	DIR_t dj;
hattori_atsushi	0:f77369cabd75	3260	BYTE *dir, n;
hattori_atsushi	0:f77369cabd75	3261	DWORD dsc, dcl, pcl, tim = get_fattime();
hattori_atsushi	0:f77369cabd75	3262	DEF_NAMEBUF;
hattori_atsushi	0:f77369cabd75	3263
hattori_atsushi	0:f77369cabd75	3264
hattori_atsushi	0:f77369cabd75	3265	res = chk_mounted(&path, &dj.fs, 1);
hattori_atsushi	0:f77369cabd75	3266	if (res == FR_OK) {
hattori_atsushi	0:f77369cabd75	3267	INIT_BUF(dj);
hattori_atsushi	0:f77369cabd75	3268	res = follow_path(&dj, path); /* Follow the file path */
hattori_atsushi	0:f77369cabd75	3269	if (res == FR_OK) res = FR_EXIST; /* Any object with same name is already existing */
hattori_atsushi	0:f77369cabd75	3270	if (_FS_RPATH && res == FR_NO_FILE && (dj.fn[NS] & NS_DOT))
hattori_atsushi	0:f77369cabd75	3271	res = FR_INVALID_NAME;
hattori_atsushi	0:f77369cabd75	3272	if (res == FR_NO_FILE) { /* Can create a new directory */
hattori_atsushi	0:f77369cabd75	3273	dcl = create_chain(dj.fs, 0); /* Allocate a cluster for the new directory table */
hattori_atsushi	0:f77369cabd75	3274	res = FR_OK;
hattori_atsushi	0:f77369cabd75	3275	if (dcl == 0) res = FR_DENIED; /* No space to allocate a new cluster */
hattori_atsushi	0:f77369cabd75	3276	if (dcl == 1) res = FR_INT_ERR;
hattori_atsushi	0:f77369cabd75	3277	if (dcl == 0xFFFFFFFF) res = FR_DISK_ERR;
hattori_atsushi	0:f77369cabd75	3278	if (res == FR_OK) /* Flush FAT */
hattori_atsushi	0:f77369cabd75	3279	res = move_window(dj.fs, 0);
hattori_atsushi	0:f77369cabd75	3280	if (res == FR_OK) { /* Initialize the new directory table */
hattori_atsushi	0:f77369cabd75	3281	dsc = clust2sect(dj.fs, dcl);
hattori_atsushi	0:f77369cabd75	3282	dir = dj.fs->win;
hattori_atsushi	0:f77369cabd75	3283	mem_set(dir, 0, SS(dj.fs));
hattori_atsushi	0:f77369cabd75	3284	mem_set(dir+DIR_Name, ' ', 8+3); /* Create "." entry */
hattori_atsushi	0:f77369cabd75	3285	dir[DIR_Name] = '.';
hattori_atsushi	0:f77369cabd75	3286	dir[DIR_Attr] = AM_DIR;
hattori_atsushi	0:f77369cabd75	3287	ST_DWORD(dir+DIR_WrtTime, tim);
hattori_atsushi	0:f77369cabd75	3288	ST_CLUST(dir, dcl);
hattori_atsushi	0:f77369cabd75	3289	mem_cpy(dir+SZ_DIR, dir, SZ_DIR); /* Create ".." entry */
hattori_atsushi	0:f77369cabd75	3290	dir[33] = '.'; pcl = dj.sclust;
hattori_atsushi	0:f77369cabd75	3291	if (dj.fs->fs_type == FS_FAT32 && pcl == dj.fs->dirbase)
hattori_atsushi	0:f77369cabd75	3292	pcl = 0;
hattori_atsushi	0:f77369cabd75	3293	ST_CLUST(dir+SZ_DIR, pcl);
hattori_atsushi	0:f77369cabd75	3294	for (n = dj.fs->csize; n; n--) { /* Write dot entries and clear following sectors */
hattori_atsushi	0:f77369cabd75	3295	dj.fs->winsect = dsc++;
hattori_atsushi	0:f77369cabd75	3296	dj.fs->wflag = 1;
hattori_atsushi	0:f77369cabd75	3297	res = move_window(dj.fs, 0);
hattori_atsushi	0:f77369cabd75	3298	if (res != FR_OK) break;
hattori_atsushi	0:f77369cabd75	3299	mem_set(dir, 0, SS(dj.fs));
hattori_atsushi	0:f77369cabd75	3300	}
hattori_atsushi	0:f77369cabd75	3301	}
hattori_atsushi	0:f77369cabd75	3302	if (res == FR_OK) res = dir_register(&dj); /* Register the object to the directoy */
hattori_atsushi	0:f77369cabd75	3303	if (res != FR_OK) {
hattori_atsushi	0:f77369cabd75	3304	remove_chain(dj.fs, dcl); /* Could not register, remove cluster chain */
hattori_atsushi	0:f77369cabd75	3305	} else {
hattori_atsushi	0:f77369cabd75	3306	dir = dj.dir;
hattori_atsushi	0:f77369cabd75	3307	dir[DIR_Attr] = AM_DIR; /* Attribute */
hattori_atsushi	0:f77369cabd75	3308	ST_DWORD(dir+DIR_WrtTime, tim); /* Created time */
hattori_atsushi	0:f77369cabd75	3309	ST_CLUST(dir, dcl); /* Table start cluster */
hattori_atsushi	0:f77369cabd75	3310	dj.fs->wflag = 1;
hattori_atsushi	0:f77369cabd75	3311	res = sync(dj.fs);
hattori_atsushi	0:f77369cabd75	3312	}
hattori_atsushi	0:f77369cabd75	3313	}
hattori_atsushi	0:f77369cabd75	3314	FREE_BUF();
hattori_atsushi	0:f77369cabd75	3315	}
hattori_atsushi	0:f77369cabd75	3316
hattori_atsushi	0:f77369cabd75	3317	LEAVE_FF(dj.fs, res);
hattori_atsushi	0:f77369cabd75	3318	}
hattori_atsushi	0:f77369cabd75	3319
hattori_atsushi	0:f77369cabd75	3320
hattori_atsushi	0:f77369cabd75	3321
hattori_atsushi	0:f77369cabd75	3322
hattori_atsushi	0:f77369cabd75	3323	/-----------------------------------------------------------------------/
hattori_atsushi	0:f77369cabd75	3324	/* Change Attribute */
hattori_atsushi	0:f77369cabd75	3325	/-----------------------------------------------------------------------/
hattori_atsushi	0:f77369cabd75	3326
hattori_atsushi	0:f77369cabd75	3327	FRESULT f_chmod (
hattori_atsushi	0:f77369cabd75	3328	const TCHAR path, / Pointer to the file path */
hattori_atsushi	0:f77369cabd75	3329	BYTE value, /* Attribute bits */
hattori_atsushi	0:f77369cabd75	3330	BYTE mask /* Attribute mask to change */
hattori_atsushi	0:f77369cabd75	3331	)
hattori_atsushi	0:f77369cabd75	3332	{
hattori_atsushi	0:f77369cabd75	3333	FRESULT res;
hattori_atsushi	0:f77369cabd75	3334	DIR_t dj;
hattori_atsushi	0:f77369cabd75	3335	BYTE *dir;
hattori_atsushi	0:f77369cabd75	3336	DEF_NAMEBUF;
hattori_atsushi	0:f77369cabd75	3337
hattori_atsushi	0:f77369cabd75	3338
hattori_atsushi	0:f77369cabd75	3339	res = chk_mounted(&path, &dj.fs, 1);
hattori_atsushi	0:f77369cabd75	3340	if (res == FR_OK) {
hattori_atsushi	0:f77369cabd75	3341	INIT_BUF(dj);
hattori_atsushi	0:f77369cabd75	3342	res = follow_path(&dj, path); /* Follow the file path */
hattori_atsushi	0:f77369cabd75	3343	FREE_BUF();
hattori_atsushi	0:f77369cabd75	3344	if (_FS_RPATH && res == FR_OK && (dj.fn[NS] & NS_DOT))
hattori_atsushi	0:f77369cabd75	3345	res = FR_INVALID_NAME;
hattori_atsushi	0:f77369cabd75	3346	if (res == FR_OK) {
hattori_atsushi	0:f77369cabd75	3347	dir = dj.dir;
hattori_atsushi	0:f77369cabd75	3348	if (!dir) { /* Is it a root directory? */
hattori_atsushi	0:f77369cabd75	3349	res = FR_INVALID_NAME;
hattori_atsushi	0:f77369cabd75	3350	} else { /* File or sub directory */
hattori_atsushi	0:f77369cabd75	3351	mask &= AM_RDO\|AM_HID\|AM_SYS\|AM_ARC; /* Valid attribute mask */
hattori_atsushi	0:f77369cabd75	3352	dir[DIR_Attr] = (value & mask) \| (dir[DIR_Attr] & (BYTE)~mask); /* Apply attribute change */
hattori_atsushi	0:f77369cabd75	3353	dj.fs->wflag = 1;
hattori_atsushi	0:f77369cabd75	3354	res = sync(dj.fs);
hattori_atsushi	0:f77369cabd75	3355	}
hattori_atsushi	0:f77369cabd75	3356	}
hattori_atsushi	0:f77369cabd75	3357	}
hattori_atsushi	0:f77369cabd75	3358
hattori_atsushi	0:f77369cabd75	3359	LEAVE_FF(dj.fs, res);
hattori_atsushi	0:f77369cabd75	3360	}
hattori_atsushi	0:f77369cabd75	3361
hattori_atsushi	0:f77369cabd75	3362
hattori_atsushi	0:f77369cabd75	3363
hattori_atsushi	0:f77369cabd75	3364
hattori_atsushi	0:f77369cabd75	3365	/-----------------------------------------------------------------------/
hattori_atsushi	0:f77369cabd75	3366	/* Change Timestamp */
hattori_atsushi	0:f77369cabd75	3367	/-----------------------------------------------------------------------/
hattori_atsushi	0:f77369cabd75	3368
hattori_atsushi	0:f77369cabd75	3369	FRESULT f_utime (
hattori_atsushi	0:f77369cabd75	3370	const TCHAR path, / Pointer to the file/directory name */
hattori_atsushi	0:f77369cabd75	3371	const FILINFO fno / Pointer to the time stamp to be set */
hattori_atsushi	0:f77369cabd75	3372	)
hattori_atsushi	0:f77369cabd75	3373	{
hattori_atsushi	0:f77369cabd75	3374	FRESULT res;
hattori_atsushi	0:f77369cabd75	3375	DIR_t dj;
hattori_atsushi	0:f77369cabd75	3376	BYTE *dir;
hattori_atsushi	0:f77369cabd75	3377	DEF_NAMEBUF;
hattori_atsushi	0:f77369cabd75	3378
hattori_atsushi	0:f77369cabd75	3379
hattori_atsushi	0:f77369cabd75	3380	res = chk_mounted(&path, &dj.fs, 1);
hattori_atsushi	0:f77369cabd75	3381	if (res == FR_OK) {
hattori_atsushi	0:f77369cabd75	3382	INIT_BUF(dj);
hattori_atsushi	0:f77369cabd75	3383	res = follow_path(&dj, path); /* Follow the file path */
hattori_atsushi	0:f77369cabd75	3384	FREE_BUF();
hattori_atsushi	0:f77369cabd75	3385	if (_FS_RPATH && res == FR_OK && (dj.fn[NS] & NS_DOT))
hattori_atsushi	0:f77369cabd75	3386	res = FR_INVALID_NAME;
hattori_atsushi	0:f77369cabd75	3387	if (res == FR_OK) {
hattori_atsushi	0:f77369cabd75	3388	dir = dj.dir;
hattori_atsushi	0:f77369cabd75	3389	if (!dir) { /* Root directory */
hattori_atsushi	0:f77369cabd75	3390	res = FR_INVALID_NAME;
hattori_atsushi	0:f77369cabd75	3391	} else { /* File or sub-directory */
hattori_atsushi	0:f77369cabd75	3392	ST_WORD(dir+DIR_WrtTime, fno->ftime);
hattori_atsushi	0:f77369cabd75	3393	ST_WORD(dir+DIR_WrtDate, fno->fdate);
hattori_atsushi	0:f77369cabd75	3394	dj.fs->wflag = 1;
hattori_atsushi	0:f77369cabd75	3395	res = sync(dj.fs);
hattori_atsushi	0:f77369cabd75	3396	}
hattori_atsushi	0:f77369cabd75	3397	}
hattori_atsushi	0:f77369cabd75	3398	}
hattori_atsushi	0:f77369cabd75	3399
hattori_atsushi	0:f77369cabd75	3400	LEAVE_FF(dj.fs, res);
hattori_atsushi	0:f77369cabd75	3401	}
hattori_atsushi	0:f77369cabd75	3402
hattori_atsushi	0:f77369cabd75	3403
hattori_atsushi	0:f77369cabd75	3404
hattori_atsushi	0:f77369cabd75	3405
hattori_atsushi	0:f77369cabd75	3406	/-----------------------------------------------------------------------/
hattori_atsushi	0:f77369cabd75	3407	/* Rename File/Directory */
hattori_atsushi	0:f77369cabd75	3408	/-----------------------------------------------------------------------/
hattori_atsushi	0:f77369cabd75	3409
hattori_atsushi	0:f77369cabd75	3410	FRESULT f_rename (
hattori_atsushi	0:f77369cabd75	3411	const TCHAR path_old, / Pointer to the old name */
hattori_atsushi	0:f77369cabd75	3412	const TCHAR path_new / Pointer to the new name */
hattori_atsushi	0:f77369cabd75	3413	)
hattori_atsushi	0:f77369cabd75	3414	{
hattori_atsushi	0:f77369cabd75	3415	FRESULT res;
hattori_atsushi	0:f77369cabd75	3416	DIR_t djo, djn;
hattori_atsushi	0:f77369cabd75	3417	BYTE buf[21], *dir;
hattori_atsushi	0:f77369cabd75	3418	DWORD dw;
hattori_atsushi	0:f77369cabd75	3419	DEF_NAMEBUF;
hattori_atsushi	0:f77369cabd75	3420
hattori_atsushi	0:f77369cabd75	3421
hattori_atsushi	0:f77369cabd75	3422	res = chk_mounted(&path_old, &djo.fs, 1);
hattori_atsushi	0:f77369cabd75	3423	if (res == FR_OK) {
hattori_atsushi	0:f77369cabd75	3424	djn.fs = djo.fs;
hattori_atsushi	0:f77369cabd75	3425	INIT_BUF(djo);
hattori_atsushi	0:f77369cabd75	3426	res = follow_path(&djo, path_old); /* Check old object */
hattori_atsushi	0:f77369cabd75	3427	if (_FS_RPATH && res == FR_OK && (djo.fn[NS] & NS_DOT))
hattori_atsushi	0:f77369cabd75	3428	res = FR_INVALID_NAME;
hattori_atsushi	0:f77369cabd75	3429	#if _FS_SHARE
hattori_atsushi	0:f77369cabd75	3430	if (res == FR_OK) res = chk_lock(&djo, 2);
hattori_atsushi	0:f77369cabd75	3431	#endif
hattori_atsushi	0:f77369cabd75	3432	if (res == FR_OK) { /* Old object is found */
hattori_atsushi	0:f77369cabd75	3433	if (!djo.dir) { /* Is root dir? */
hattori_atsushi	0:f77369cabd75	3434	res = FR_NO_FILE;
hattori_atsushi	0:f77369cabd75	3435	} else {
hattori_atsushi	0:f77369cabd75	3436	mem_cpy(buf, djo.dir+DIR_Attr, 21); /* Save the object information except for name */
hattori_atsushi	0:f77369cabd75	3437	mem_cpy(&djn, &djo, sizeof(DIR_t)); /* Check new object */
hattori_atsushi	0:f77369cabd75	3438	res = follow_path(&djn, path_new);
hattori_atsushi	0:f77369cabd75	3439	if (res == FR_OK) res = FR_EXIST; /* The new object name is already existing */
hattori_atsushi	0:f77369cabd75	3440	if (res == FR_NO_FILE) { /* Is it a valid path and no name collision? */
hattori_atsushi	0:f77369cabd75	3441	/* Start critical section that any interruption or error can cause cross-link */
hattori_atsushi	0:f77369cabd75	3442	res = dir_register(&djn); /* Register the new entry */
hattori_atsushi	0:f77369cabd75	3443	if (res == FR_OK) {
hattori_atsushi	0:f77369cabd75	3444	dir = djn.dir; /* Copy object information except for name */
hattori_atsushi	0:f77369cabd75	3445	mem_cpy(dir+13, buf+2, 19);
hattori_atsushi	0:f77369cabd75	3446	dir[DIR_Attr] = buf[0] \| AM_ARC;
hattori_atsushi	0:f77369cabd75	3447	djo.fs->wflag = 1;
hattori_atsushi	0:f77369cabd75	3448	if (djo.sclust != djn.sclust && (dir[DIR_Attr] & AM_DIR)) { /* Update .. entry in the directory if needed */
hattori_atsushi	0:f77369cabd75	3449	dw = clust2sect(djn.fs, LD_CLUST(dir));
hattori_atsushi	0:f77369cabd75	3450	if (!dw) {
hattori_atsushi	0:f77369cabd75	3451	res = FR_INT_ERR;
hattori_atsushi	0:f77369cabd75	3452	} else {
hattori_atsushi	0:f77369cabd75	3453	res = move_window(djn.fs, dw);
hattori_atsushi	0:f77369cabd75	3454	dir = djn.fs->win+SZ_DIR; /* .. entry */
hattori_atsushi	0:f77369cabd75	3455	if (res == FR_OK && dir[1] == '.') {
hattori_atsushi	0:f77369cabd75	3456	dw = (djn.fs->fs_type == FS_FAT32 && djn.sclust == djn.fs->dirbase) ? 0 : djn.sclust;
hattori_atsushi	0:f77369cabd75	3457	ST_CLUST(dir, dw);
hattori_atsushi	0:f77369cabd75	3458	djn.fs->wflag = 1;
hattori_atsushi	0:f77369cabd75	3459	}
hattori_atsushi	0:f77369cabd75	3460	}
hattori_atsushi	0:f77369cabd75	3461	}
hattori_atsushi	0:f77369cabd75	3462	if (res == FR_OK) {
hattori_atsushi	0:f77369cabd75	3463	res = dir_remove(&djo); /* Remove old entry */
hattori_atsushi	0:f77369cabd75	3464	if (res == FR_OK)
hattori_atsushi	0:f77369cabd75	3465	res = sync(djo.fs);
hattori_atsushi	0:f77369cabd75	3466	}
hattori_atsushi	0:f77369cabd75	3467	}
hattori_atsushi	0:f77369cabd75	3468	/* End critical section */
hattori_atsushi	0:f77369cabd75	3469	}
hattori_atsushi	0:f77369cabd75	3470	}
hattori_atsushi	0:f77369cabd75	3471	}
hattori_atsushi	0:f77369cabd75	3472	FREE_BUF();
hattori_atsushi	0:f77369cabd75	3473	}
hattori_atsushi	0:f77369cabd75	3474	LEAVE_FF(djo.fs, res);
hattori_atsushi	0:f77369cabd75	3475	}
hattori_atsushi	0:f77369cabd75	3476
hattori_atsushi	0:f77369cabd75	3477	#endif /* !_FS_READONLY */
hattori_atsushi	0:f77369cabd75	3478	#endif /* _FS_MINIMIZE == 0 */
hattori_atsushi	0:f77369cabd75	3479	#endif /* _FS_MINIMIZE <= 1 */
hattori_atsushi	0:f77369cabd75	3480	#endif /* _FS_MINIMIZE <= 2 */
hattori_atsushi	0:f77369cabd75	3481
hattori_atsushi	0:f77369cabd75	3482
hattori_atsushi	0:f77369cabd75	3483
hattori_atsushi	0:f77369cabd75	3484	/-----------------------------------------------------------------------/
hattori_atsushi	0:f77369cabd75	3485	/* Forward data to the stream directly (available on only tiny cfg) */
hattori_atsushi	0:f77369cabd75	3486	/-----------------------------------------------------------------------/
hattori_atsushi	0:f77369cabd75	3487	#if _USE_FORWARD && _FS_TINY
hattori_atsushi	0:f77369cabd75	3488
hattori_atsushi	0:f77369cabd75	3489	FRESULT f_forward (
hattori_atsushi	0:f77369cabd75	3490	FIL_t fp, / Pointer to the file object */
hattori_atsushi	0:f77369cabd75	3491	UINT (func)(const BYTE,UINT), /* Pointer to the streaming function */
hattori_atsushi	0:f77369cabd75	3492	UINT btr, /* Number of bytes to forward */
hattori_atsushi	0:f77369cabd75	3493	UINT bf / Pointer to number of bytes forwarded */
hattori_atsushi	0:f77369cabd75	3494	)
hattori_atsushi	0:f77369cabd75	3495	{
hattori_atsushi	0:f77369cabd75	3496	FRESULT res;
hattori_atsushi	0:f77369cabd75	3497	DWORD remain, clst, sect;
hattori_atsushi	0:f77369cabd75	3498	UINT rcnt;
hattori_atsushi	0:f77369cabd75	3499	BYTE csect;
hattori_atsushi	0:f77369cabd75	3500
hattori_atsushi	0:f77369cabd75	3501
hattori_atsushi	0:f77369cabd75	3502	bf = 0; / Initialize byte counter */
hattori_atsushi	0:f77369cabd75	3503
hattori_atsushi	0:f77369cabd75	3504	res = validate(fp->fs, fp->id); /* Check validity of the object */
hattori_atsushi	0:f77369cabd75	3505	if (res != FR_OK) LEAVE_FF(fp->fs, res);
hattori_atsushi	0:f77369cabd75	3506	if (fp->flag & FA__ERROR) /* Check error flag */
hattori_atsushi	0:f77369cabd75	3507	LEAVE_FF(fp->fs, FR_INT_ERR);
hattori_atsushi	0:f77369cabd75	3508	if (!(fp->flag & FA_READ)) /* Check access mode */
hattori_atsushi	0:f77369cabd75	3509	LEAVE_FF(fp->fs, FR_DENIED);
hattori_atsushi	0:f77369cabd75	3510
hattori_atsushi	0:f77369cabd75	3511	remain = fp->fsize - fp->fptr;
hattori_atsushi	0:f77369cabd75	3512	if (btr > remain) btr = (UINT)remain; /* Truncate btr by remaining bytes */
hattori_atsushi	0:f77369cabd75	3513
hattori_atsushi	0:f77369cabd75	3514	for ( ; btr && (func)(0, 0); / Repeat until all data transferred or stream becomes busy */
hattori_atsushi	0:f77369cabd75	3515	fp->fptr += rcnt, *bf += rcnt, btr -= rcnt) {
hattori_atsushi	0:f77369cabd75	3516	csect = (BYTE)(fp->fptr / SS(fp->fs) & (fp->fs->csize - 1)); /* Sector offset in the cluster */
hattori_atsushi	0:f77369cabd75	3517	if ((fp->fptr % SS(fp->fs)) == 0) { /* On the sector boundary? */
hattori_atsushi	0:f77369cabd75	3518	if (!csect) { /* On the cluster boundary? */
hattori_atsushi	0:f77369cabd75	3519	clst = (fp->fptr == 0) ? /* On the top of the file? */
hattori_atsushi	0:f77369cabd75	3520	fp->sclust : get_fat(fp->fs, fp->clust);
hattori_atsushi	0:f77369cabd75	3521	if (clst <= 1) ABORT(fp->fs, FR_INT_ERR);
hattori_atsushi	0:f77369cabd75	3522	if (clst == 0xFFFFFFFF) ABORT(fp->fs, FR_DISK_ERR);
hattori_atsushi	0:f77369cabd75	3523	fp->clust = clst; /* Update current cluster */
hattori_atsushi	0:f77369cabd75	3524	}
hattori_atsushi	0:f77369cabd75	3525	}
hattori_atsushi	0:f77369cabd75	3526	sect = clust2sect(fp->fs, fp->clust); /* Get current data sector */
hattori_atsushi	0:f77369cabd75	3527	if (!sect) ABORT(fp->fs, FR_INT_ERR);
hattori_atsushi	0:f77369cabd75	3528	sect += csect;
hattori_atsushi	0:f77369cabd75	3529	if (move_window(fp->fs, sect)) /* Move sector window */
hattori_atsushi	0:f77369cabd75	3530	ABORT(fp->fs, FR_DISK_ERR);
hattori_atsushi	0:f77369cabd75	3531	fp->dsect = sect;
hattori_atsushi	0:f77369cabd75	3532	rcnt = SS(fp->fs) - (WORD)(fp->fptr % SS(fp->fs)); /* Forward data from sector window */
hattori_atsushi	0:f77369cabd75	3533	if (rcnt > btr) rcnt = btr;
hattori_atsushi	0:f77369cabd75	3534	rcnt = (*func)(&fp->fs->win[(WORD)fp->fptr % SS(fp->fs)], rcnt);
hattori_atsushi	0:f77369cabd75	3535	if (!rcnt) ABORT(fp->fs, FR_INT_ERR);
hattori_atsushi	0:f77369cabd75	3536	}
hattori_atsushi	0:f77369cabd75	3537
hattori_atsushi	0:f77369cabd75	3538	LEAVE_FF(fp->fs, FR_OK);
hattori_atsushi	0:f77369cabd75	3539	}
hattori_atsushi	0:f77369cabd75	3540	#endif /* _USE_FORWARD */
hattori_atsushi	0:f77369cabd75	3541
hattori_atsushi	0:f77369cabd75	3542
hattori_atsushi	0:f77369cabd75	3543
hattori_atsushi	0:f77369cabd75	3544	#if _USE_MKFS && !_FS_READONLY
hattori_atsushi	0:f77369cabd75	3545	/-----------------------------------------------------------------------/
hattori_atsushi	0:f77369cabd75	3546	/* Create File System on the Drive */
hattori_atsushi	0:f77369cabd75	3547	/-----------------------------------------------------------------------/
hattori_atsushi	0:f77369cabd75	3548	#define N_ROOTDIR 512 /* Number of root dir entries for FAT12/16 */
hattori_atsushi	0:f77369cabd75	3549	#define N_FATS 1 /* Number of FAT copies (1 or 2) */
hattori_atsushi	0:f77369cabd75	3550
hattori_atsushi	0:f77369cabd75	3551
hattori_atsushi	0:f77369cabd75	3552	FRESULT f_mkfs (
hattori_atsushi	0:f77369cabd75	3553	BYTE drv, /* Logical drive number */
hattori_atsushi	0:f77369cabd75	3554	BYTE sfd, /* Partitioning rule 0:FDISK, 1:SFD */
hattori_atsushi	0:f77369cabd75	3555	UINT au /* Allocation unit size [bytes] */
hattori_atsushi	0:f77369cabd75	3556	)
hattori_atsushi	0:f77369cabd75	3557	{
hattori_atsushi	0:f77369cabd75	3558	static const WORD vst[] = { 1024, 512, 256, 128, 64, 32, 16, 8, 4, 2, 0};
hattori_atsushi	0:f77369cabd75	3559	static const WORD cst[] = {32768, 16384, 8192, 4096, 2048, 16384, 8192, 4096, 2048, 1024, 512};
hattori_atsushi	0:f77369cabd75	3560	BYTE fmt, md, *tbl;
hattori_atsushi	0:f77369cabd75	3561	DWORD n_clst, vs, n, wsect;
hattori_atsushi	0:f77369cabd75	3562	UINT i;
hattori_atsushi	0:f77369cabd75	3563	DWORD b_vol, b_fat, b_dir, b_data; /* Offset (LBA) */
hattori_atsushi	0:f77369cabd75	3564	DWORD n_vol, n_rsv, n_fat, n_dir; /* Size */
hattori_atsushi	0:f77369cabd75	3565	FATFS *fs;
hattori_atsushi	0:f77369cabd75	3566	DSTATUS stat;
hattori_atsushi	0:f77369cabd75	3567
hattori_atsushi	0:f77369cabd75	3568
hattori_atsushi	0:f77369cabd75	3569	/* Check mounted drive and clear work area */
hattori_atsushi	0:f77369cabd75	3570	if (drv >= _VOLUMES) return FR_INVALID_DRIVE;
hattori_atsushi	0:f77369cabd75	3571	fs = FatFs[drv];
hattori_atsushi	0:f77369cabd75	3572	if (!fs) return FR_NOT_ENABLED;
hattori_atsushi	0:f77369cabd75	3573	fs->fs_type = 0;
hattori_atsushi	0:f77369cabd75	3574	drv = LD2PD(drv);
hattori_atsushi	0:f77369cabd75	3575
hattori_atsushi	0:f77369cabd75	3576	/* Get disk statics */
hattori_atsushi	0:f77369cabd75	3577	stat = disk_initialize(drv);
hattori_atsushi	0:f77369cabd75	3578	if (stat & STA_NOINIT) return FR_NOT_READY;
hattori_atsushi	0:f77369cabd75	3579	if (stat & STA_PROTECT) return FR_WRITE_PROTECTED;
hattori_atsushi	0:f77369cabd75	3580	#if _MAX_SS != 512 /* Get disk sector size */
hattori_atsushi	0:f77369cabd75	3581	if (disk_ioctl(drv, GET_SECTOR_SIZE, &SS(fs)) != RES_OK)
hattori_atsushi	0:f77369cabd75	3582	return FR_DISK_ERR;
hattori_atsushi	0:f77369cabd75	3583	#endif
hattori_atsushi	0:f77369cabd75	3584	if (disk_ioctl(drv, GET_SECTOR_COUNT, &n_vol) != RES_OK \|\| n_vol < 128)
hattori_atsushi	0:f77369cabd75	3585	return FR_DISK_ERR;
hattori_atsushi	0:f77369cabd75	3586	b_vol = (sfd) ? 0 : 63; /* Volume start sector */
hattori_atsushi	0:f77369cabd75	3587	n_vol -= b_vol;
hattori_atsushi	0:f77369cabd75	3588	if (au & (au - 1)) au = 0; /* Check validity of the AU size */
hattori_atsushi	0:f77369cabd75	3589	if (!au) { /* AU auto selection */
hattori_atsushi	0:f77369cabd75	3590	vs = n_vol / (2000 / (SS(fs) / 512));
hattori_atsushi	0:f77369cabd75	3591	for (i = 0; vs < vst[i]; i++) ;
hattori_atsushi	0:f77369cabd75	3592	au = cst[i];
hattori_atsushi	0:f77369cabd75	3593	}
hattori_atsushi	0:f77369cabd75	3594	au /= SS(fs); /* Number of sectors per cluster */
hattori_atsushi	0:f77369cabd75	3595	if (au == 0) au = 1;
hattori_atsushi	0:f77369cabd75	3596	if (au > 128) au = 128;
hattori_atsushi	0:f77369cabd75	3597
hattori_atsushi	0:f77369cabd75	3598	/* Pre-compute number of clusters and FAT syb-type */
hattori_atsushi	0:f77369cabd75	3599	n_clst = n_vol / au;
hattori_atsushi	0:f77369cabd75	3600	fmt = FS_FAT12;
hattori_atsushi	0:f77369cabd75	3601	if (n_clst >= MIN_FAT16) fmt = FS_FAT16;
hattori_atsushi	0:f77369cabd75	3602	if (n_clst >= MIN_FAT32) fmt = FS_FAT32;
hattori_atsushi	0:f77369cabd75	3603
hattori_atsushi	0:f77369cabd75	3604	/* Determine offset and size of FAT structure */
hattori_atsushi	0:f77369cabd75	3605	if (fmt == FS_FAT32) {
hattori_atsushi	0:f77369cabd75	3606	n_fat = ((n_clst * 4) + 8 + SS(fs) - 1) / SS(fs);
hattori_atsushi	0:f77369cabd75	3607	n_rsv = 32;
hattori_atsushi	0:f77369cabd75	3608	n_dir = 0;
hattori_atsushi	0:f77369cabd75	3609	} else {
hattori_atsushi	0:f77369cabd75	3610	n_fat = (fmt == FS_FAT12) ? (n_clst * 3 + 1) / 2 + 3 : (n_clst * 2) + 4;
hattori_atsushi	0:f77369cabd75	3611	n_fat = (n_fat + SS(fs) - 1) / SS(fs);
hattori_atsushi	0:f77369cabd75	3612	n_rsv = 1;
hattori_atsushi	0:f77369cabd75	3613	n_dir = (DWORD)N_ROOTDIR * SZ_DIR / SS(fs);
hattori_atsushi	0:f77369cabd75	3614	}
hattori_atsushi	0:f77369cabd75	3615	b_fat = b_vol + n_rsv; /* FAT area start sector */
hattori_atsushi	0:f77369cabd75	3616	b_dir = b_fat + n_fat * N_FATS; /* Directory area start sector */
hattori_atsushi	0:f77369cabd75	3617	b_data = b_dir + n_dir; /* Data area start sector */
hattori_atsushi	0:f77369cabd75	3618	if (n_vol < b_data + au) return FR_MKFS_ABORTED; /* Too small volume */
hattori_atsushi	0:f77369cabd75	3619
hattori_atsushi	0:f77369cabd75	3620	/* Align data start sector to erase block boundary (for flash memory media) */
hattori_atsushi	0:f77369cabd75	3621	if (disk_ioctl(drv, GET_BLOCK_SIZE, &n) != RES_OK \|\| !n \|\| n > 32768) n = 1;
hattori_atsushi	0:f77369cabd75	3622	n = (b_data + n - 1) & ~(n - 1); /* Next nearest erase block from current data start */
hattori_atsushi	0:f77369cabd75	3623	n = (n - b_data) / N_FATS;
hattori_atsushi	0:f77369cabd75	3624	if (fmt == FS_FAT32) { /* FAT32: Move FAT offset */
hattori_atsushi	0:f77369cabd75	3625	n_rsv += n;
hattori_atsushi	0:f77369cabd75	3626	b_fat += n;
hattori_atsushi	0:f77369cabd75	3627	} else { /* FAT12/16: Expand FAT size */
hattori_atsushi	0:f77369cabd75	3628	n_fat += n;
hattori_atsushi	0:f77369cabd75	3629	}
hattori_atsushi	0:f77369cabd75	3630
hattori_atsushi	0:f77369cabd75	3631	/* Determine number of clusters and final check of validity of the FAT sub-type */
hattori_atsushi	0:f77369cabd75	3632	n_clst = (n_vol - n_rsv - n_fat * N_FATS - n_dir) / au;
hattori_atsushi	0:f77369cabd75	3633	if ( (fmt == FS_FAT16 && n_clst < MIN_FAT16)
hattori_atsushi	0:f77369cabd75	3634	\|\| (fmt == FS_FAT32 && n_clst < MIN_FAT32))
hattori_atsushi	0:f77369cabd75	3635	return FR_MKFS_ABORTED;
hattori_atsushi	0:f77369cabd75	3636
hattori_atsushi	0:f77369cabd75	3637	/* Create partition table if required */
hattori_atsushi	0:f77369cabd75	3638	if (sfd) { /* No patition table (SFD) */
hattori_atsushi	0:f77369cabd75	3639	md = 0xF0;
hattori_atsushi	0:f77369cabd75	3640	} else { /* With patition table (FDISK) */
hattori_atsushi	0:f77369cabd75	3641	DWORD n_disk = b_vol + n_vol;
hattori_atsushi	0:f77369cabd75	3642
hattori_atsushi	0:f77369cabd75	3643	mem_set(fs->win, 0, SS(fs));
hattori_atsushi	0:f77369cabd75	3644	tbl = fs->win+MBR_Table;
hattori_atsushi	0:f77369cabd75	3645	ST_DWORD(tbl, 0x00010180); /* Partition start in CHS */
hattori_atsushi	0:f77369cabd75	3646	if (n_disk < 63UL * 255 * 1024) { /* Partition end in CHS */
hattori_atsushi	0:f77369cabd75	3647	n_disk = n_disk / 63 / 255;
hattori_atsushi	0:f77369cabd75	3648	tbl[7] = (BYTE)n_disk;
hattori_atsushi	0:f77369cabd75	3649	tbl[6] = (BYTE)((n_disk >> 2) \| 63);
hattori_atsushi	0:f77369cabd75	3650	} else {
hattori_atsushi	0:f77369cabd75	3651	ST_WORD(&tbl[6], 0xFFFF); /* CHS saturated */
hattori_atsushi	0:f77369cabd75	3652	}
hattori_atsushi	0:f77369cabd75	3653	tbl[5] = 254;
hattori_atsushi	0:f77369cabd75	3654	if (fmt != FS_FAT32) /* System ID */
hattori_atsushi	0:f77369cabd75	3655	tbl[4] = (n_vol < 0x10000) ? 0x04 : 0x06;
hattori_atsushi	0:f77369cabd75	3656	else
hattori_atsushi	0:f77369cabd75	3657	tbl[4] = 0x0c;
hattori_atsushi	0:f77369cabd75	3658	ST_DWORD(tbl+8, 63); /* Partition start in LBA */
hattori_atsushi	0:f77369cabd75	3659	ST_DWORD(tbl+12, n_vol); /* Partition size in LBA */
hattori_atsushi	0:f77369cabd75	3660	ST_WORD(fs->win+BS_55AA, 0xAA55); /* MBR signature */
hattori_atsushi	0:f77369cabd75	3661	if (disk_write(drv, fs->win, 0, 1) != RES_OK) /* Put the MBR into first physical sector */
hattori_atsushi	0:f77369cabd75	3662	return FR_DISK_ERR;
hattori_atsushi	0:f77369cabd75	3663	md = 0xF8;
hattori_atsushi	0:f77369cabd75	3664	}
hattori_atsushi	0:f77369cabd75	3665
hattori_atsushi	0:f77369cabd75	3666	/* Create volume boot record */
hattori_atsushi	0:f77369cabd75	3667	tbl = fs->win; /* Clear sector */
hattori_atsushi	0:f77369cabd75	3668	mem_set(tbl, 0, SS(fs));
hattori_atsushi	0:f77369cabd75	3669	mem_cpy(tbl, "\xEB\xFE\x90" "MSDOS5.0", 11);/* Boot jump code, OEM name */
hattori_atsushi	0:f77369cabd75	3670	i = SS(fs); /* Sector size */
hattori_atsushi	0:f77369cabd75	3671	ST_WORD(tbl+BPB_BytsPerSec, i);
hattori_atsushi	0:f77369cabd75	3672	tbl[BPB_SecPerClus] = (BYTE)au; /* Sectors per cluster */
hattori_atsushi	0:f77369cabd75	3673	ST_WORD(tbl+BPB_RsvdSecCnt, n_rsv); /* Reserved sectors */
hattori_atsushi	0:f77369cabd75	3674	tbl[BPB_NumFATs] = N_FATS; /* Number of FATs */
hattori_atsushi	0:f77369cabd75	3675	i = (fmt == FS_FAT32) ? 0 : N_ROOTDIR; /* Number of rootdir entries */
hattori_atsushi	0:f77369cabd75	3676	ST_WORD(tbl+BPB_RootEntCnt, i);
hattori_atsushi	0:f77369cabd75	3677	if (n_vol < 0x10000) { /* Number of total sectors */
hattori_atsushi	0:f77369cabd75	3678	ST_WORD(tbl+BPB_TotSec16, n_vol);
hattori_atsushi	0:f77369cabd75	3679	} else {
hattori_atsushi	0:f77369cabd75	3680	ST_DWORD(tbl+BPB_TotSec32, n_vol);
hattori_atsushi	0:f77369cabd75	3681	}
hattori_atsushi	0:f77369cabd75	3682	tbl[BPB_Media] = md; /* Media descriptor */
hattori_atsushi	0:f77369cabd75	3683	ST_WORD(tbl+BPB_SecPerTrk, 63); /* Number of sectors per track */
hattori_atsushi	0:f77369cabd75	3684	ST_WORD(tbl+BPB_NumHeads, 255); /* Number of heads */
hattori_atsushi	0:f77369cabd75	3685	ST_DWORD(tbl+BPB_HiddSec, b_vol); /* Hidden sectors */
hattori_atsushi	0:f77369cabd75	3686	n = get_fattime(); /* Use current time as VSN */
hattori_atsushi	0:f77369cabd75	3687	if (fmt == FS_FAT32) {
hattori_atsushi	0:f77369cabd75	3688	ST_DWORD(tbl+BS_VolID32, n); /* VSN */
hattori_atsushi	0:f77369cabd75	3689	ST_DWORD(tbl+BPB_FATSz32, n_fat); /* Number of sectors per FAT */
hattori_atsushi	0:f77369cabd75	3690	ST_DWORD(tbl+BPB_RootClus, 2); /* Root directory start cluster (2) */
hattori_atsushi	0:f77369cabd75	3691	ST_WORD(tbl+BPB_FSInfo, 1); /* FSInfo record offset (VBR+1) */
hattori_atsushi	0:f77369cabd75	3692	ST_WORD(tbl+BPB_BkBootSec, 6); /* Backup boot record offset (VBR+6) */
hattori_atsushi	0:f77369cabd75	3693	tbl[BS_DrvNum32] = 0x80; /* Drive number */
hattori_atsushi	0:f77369cabd75	3694	tbl[BS_BootSig32] = 0x29; /* Extended boot signature */
hattori_atsushi	0:f77369cabd75	3695	mem_cpy(tbl+BS_VolLab32, "NO NAME " "FAT32 ", 19); /* Volume label, FAT signature */
hattori_atsushi	0:f77369cabd75	3696	} else {
hattori_atsushi	0:f77369cabd75	3697	ST_DWORD(tbl+BS_VolID, n); /* VSN */
hattori_atsushi	0:f77369cabd75	3698	ST_WORD(tbl+BPB_FATSz16, n_fat); /* Number of sectors per FAT */
hattori_atsushi	0:f77369cabd75	3699	tbl[BS_DrvNum] = 0x80; /* Drive number */
hattori_atsushi	0:f77369cabd75	3700	tbl[BS_BootSig] = 0x29; /* Extended boot signature */
hattori_atsushi	0:f77369cabd75	3701	mem_cpy(tbl+BS_VolLab, "NO NAME " "FAT ", 19); /* Volume label, FAT signature */
hattori_atsushi	0:f77369cabd75	3702	}
hattori_atsushi	0:f77369cabd75	3703	ST_WORD(tbl+BS_55AA, 0xAA55); /* Signature (Offset is fixed here regardless of sector size) */
hattori_atsushi	0:f77369cabd75	3704	if (disk_write(drv, tbl, b_vol, 1) != RES_OK) /* Write VBR */
hattori_atsushi	0:f77369cabd75	3705	return FR_DISK_ERR;
hattori_atsushi	0:f77369cabd75	3706	if (fmt == FS_FAT32) /* Write backup VBR if needed (VBR+6) */
hattori_atsushi	0:f77369cabd75	3707	disk_write(drv, tbl, b_vol + 6, 1);
hattori_atsushi	0:f77369cabd75	3708
hattori_atsushi	0:f77369cabd75	3709	/* Initialize FAT area */
hattori_atsushi	0:f77369cabd75	3710	wsect = b_fat;
hattori_atsushi	0:f77369cabd75	3711	for (i = 0; i < N_FATS; i++) { /* Initialize each FAT copy */
hattori_atsushi	0:f77369cabd75	3712	mem_set(tbl, 0, SS(fs)); /* 1st sector of the FAT */
hattori_atsushi	0:f77369cabd75	3713	n = md; /* Media descriptor byte */
hattori_atsushi	0:f77369cabd75	3714	if (fmt != FS_FAT32) {
hattori_atsushi	0:f77369cabd75	3715	n \|= (fmt == FS_FAT12) ? 0x00FFFF00 : 0xFFFFFF00;
hattori_atsushi	0:f77369cabd75	3716	ST_DWORD(tbl+0, n); /* Reserve cluster #0-1 (FAT12/16) */
hattori_atsushi	0:f77369cabd75	3717	} else {
hattori_atsushi	0:f77369cabd75	3718	n \|= 0xFFFFFF00;
hattori_atsushi	0:f77369cabd75	3719	ST_DWORD(tbl+0, n); /* Reserve cluster #0-1 (FAT32) */
hattori_atsushi	0:f77369cabd75	3720	ST_DWORD(tbl+4, 0xFFFFFFFF);
hattori_atsushi	0:f77369cabd75	3721	ST_DWORD(tbl+8, 0x0FFFFFFF); /* Reserve cluster #2 for root dir */
hattori_atsushi	0:f77369cabd75	3722	}
hattori_atsushi	0:f77369cabd75	3723	if (disk_write(drv, tbl, wsect++, 1) != RES_OK)
hattori_atsushi	0:f77369cabd75	3724	return FR_DISK_ERR;
hattori_atsushi	0:f77369cabd75	3725	mem_set(tbl, 0, SS(fs)); /* Fill following FAT entries with zero */
hattori_atsushi	0:f77369cabd75	3726	for (n = 1; n < n_fat; n++) { /* This loop may take a time on FAT32 volume due to many single sector writes */
hattori_atsushi	0:f77369cabd75	3727	if (disk_write(drv, tbl, wsect++, 1) != RES_OK)
hattori_atsushi	0:f77369cabd75	3728	return FR_DISK_ERR;
hattori_atsushi	0:f77369cabd75	3729	}
hattori_atsushi	0:f77369cabd75	3730	}
hattori_atsushi	0:f77369cabd75	3731
hattori_atsushi	0:f77369cabd75	3732	/* Initialize root directory */
hattori_atsushi	0:f77369cabd75	3733	i = (fmt == FS_FAT32) ? au : n_dir;
hattori_atsushi	0:f77369cabd75	3734	do {
hattori_atsushi	0:f77369cabd75	3735	if (disk_write(drv, tbl, wsect++, 1) != RES_OK)
hattori_atsushi	0:f77369cabd75	3736	return FR_DISK_ERR;
hattori_atsushi	0:f77369cabd75	3737	} while (--i);
hattori_atsushi	0:f77369cabd75	3738
hattori_atsushi	0:f77369cabd75	3739	#if _USE_ERASE /* Erase data area if needed */
hattori_atsushi	0:f77369cabd75	3740	{
hattori_atsushi	0:f77369cabd75	3741	DWORD eb[2];
hattori_atsushi	0:f77369cabd75	3742
hattori_atsushi	0:f77369cabd75	3743	eb[0] = wsect; eb[1] = wsect + (n_clst - ((fmt == FS_FAT32) ? 1 : 0)) * au - 1;
hattori_atsushi	0:f77369cabd75	3744	disk_ioctl(drv, CTRL_ERASE_SECTOR, eb);
hattori_atsushi	0:f77369cabd75	3745	}
hattori_atsushi	0:f77369cabd75	3746	#endif
hattori_atsushi	0:f77369cabd75	3747
hattori_atsushi	0:f77369cabd75	3748	/* Create FSInfo if needed */
hattori_atsushi	0:f77369cabd75	3749	if (fmt == FS_FAT32) {
hattori_atsushi	0:f77369cabd75	3750	ST_DWORD(tbl+FSI_LeadSig, 0x41615252);
hattori_atsushi	0:f77369cabd75	3751	ST_DWORD(tbl+FSI_StrucSig, 0x61417272);
hattori_atsushi	0:f77369cabd75	3752	ST_DWORD(tbl+FSI_Free_Count, n_clst - 1); /* Number of free clusters */
hattori_atsushi	0:f77369cabd75	3753	ST_DWORD(tbl+FSI_Nxt_Free, 2); /* Last allocated cluster# */
hattori_atsushi	0:f77369cabd75	3754	ST_WORD(tbl+BS_55AA, 0xAA55);
hattori_atsushi	0:f77369cabd75	3755	disk_write(drv, tbl, b_vol + 1, 1); /* Write original (VBR+1) */
hattori_atsushi	0:f77369cabd75	3756	disk_write(drv, tbl, b_vol + 7, 1); /* Write backup (VBR+7) */
hattori_atsushi	0:f77369cabd75	3757	}
hattori_atsushi	0:f77369cabd75	3758
hattori_atsushi	0:f77369cabd75	3759	return (disk_ioctl(drv, CTRL_SYNC, (void*)0) == RES_OK) ? FR_OK : FR_DISK_ERR;
hattori_atsushi	0:f77369cabd75	3760	}
hattori_atsushi	0:f77369cabd75	3761
hattori_atsushi	0:f77369cabd75	3762	#endif /* _USE_MKFS && !_FS_READONLY */
hattori_atsushi	0:f77369cabd75	3763
hattori_atsushi	0:f77369cabd75	3764
hattori_atsushi	0:f77369cabd75	3765
hattori_atsushi	0:f77369cabd75	3766
hattori_atsushi	0:f77369cabd75	3767	#if _USE_STRFUNC
hattori_atsushi	0:f77369cabd75	3768	/-----------------------------------------------------------------------/
hattori_atsushi	0:f77369cabd75	3769	/* Get a string from the file */
hattori_atsushi	0:f77369cabd75	3770	/-----------------------------------------------------------------------/
hattori_atsushi	0:f77369cabd75	3771	TCHAR* f_gets (
hattori_atsushi	0:f77369cabd75	3772	TCHAR* buff, /* Pointer to the string buffer to read */
hattori_atsushi	0:f77369cabd75	3773	int len, /* Size of string buffer (characters) */
hattori_atsushi	0:f77369cabd75	3774	FIL_t* fil /* Pointer to the file object */
hattori_atsushi	0:f77369cabd75	3775	)
hattori_atsushi	0:f77369cabd75	3776	{
hattori_atsushi	0:f77369cabd75	3777	int n = 0;
hattori_atsushi	0:f77369cabd75	3778	TCHAR c, *p = buff;
hattori_atsushi	0:f77369cabd75	3779	BYTE s[2];
hattori_atsushi	0:f77369cabd75	3780	UINT rc;
hattori_atsushi	0:f77369cabd75	3781
hattori_atsushi	0:f77369cabd75	3782
hattori_atsushi	0:f77369cabd75	3783	while (n < len - 1) { /* Read bytes until buffer gets filled */
hattori_atsushi	0:f77369cabd75	3784	f_read(fil, s, 1, &rc);
hattori_atsushi	0:f77369cabd75	3785	if (rc != 1) break; /* Break on EOF or error */
hattori_atsushi	0:f77369cabd75	3786	c = s[0];
hattori_atsushi	0:f77369cabd75	3787	#if _LFN_UNICODE /* Read a character in UTF-8 encoding */
hattori_atsushi	0:f77369cabd75	3788	if (c >= 0x80) {
hattori_atsushi	0:f77369cabd75	3789	if (c < 0xC0) continue; /* Skip stray trailer */
hattori_atsushi	0:f77369cabd75	3790	if (c < 0xE0) { /* Two-byte sequense */
hattori_atsushi	0:f77369cabd75	3791	f_read(fil, s, 1, &rc);
hattori_atsushi	0:f77369cabd75	3792	if (rc != 1) break;
hattori_atsushi	0:f77369cabd75	3793	c = ((c & 0x1F) << 6) \| (s[0] & 0x3F);
hattori_atsushi	0:f77369cabd75	3794	if (c < 0x80) c = '?';
hattori_atsushi	0:f77369cabd75	3795	} else {
hattori_atsushi	0:f77369cabd75	3796	if (c < 0xF0) { /* Three-byte sequense */
hattori_atsushi	0:f77369cabd75	3797	f_read(fil, s, 2, &rc);
hattori_atsushi	0:f77369cabd75	3798	if (rc != 2) break;
hattori_atsushi	0:f77369cabd75	3799	c = (c << 12) \| ((s[0] & 0x3F) << 6) \| (s[1] & 0x3F);
hattori_atsushi	0:f77369cabd75	3800	if (c < 0x800) c = '?';
hattori_atsushi	0:f77369cabd75	3801	} else { /* Reject four-byte sequense */
hattori_atsushi	0:f77369cabd75	3802	c = '?';
hattori_atsushi	0:f77369cabd75	3803	}
hattori_atsushi	0:f77369cabd75	3804	}
hattori_atsushi	0:f77369cabd75	3805	}
hattori_atsushi	0:f77369cabd75	3806	#endif
hattori_atsushi	0:f77369cabd75	3807	#if _USE_STRFUNC >= 2
hattori_atsushi	0:f77369cabd75	3808	if (c == '\r') continue; /* Strip '\r' */
hattori_atsushi	0:f77369cabd75	3809	#endif
hattori_atsushi	0:f77369cabd75	3810	*p++ = c;
hattori_atsushi	0:f77369cabd75	3811	n++;
hattori_atsushi	0:f77369cabd75	3812	if (c == '\n') break; /* Break on EOL */
hattori_atsushi	0:f77369cabd75	3813	}
hattori_atsushi	0:f77369cabd75	3814	*p = 0;
hattori_atsushi	0:f77369cabd75	3815	return n ? buff : 0; /* When no data read (eof or error), return with error. */
hattori_atsushi	0:f77369cabd75	3816	}
hattori_atsushi	0:f77369cabd75	3817
hattori_atsushi	0:f77369cabd75	3818
hattori_atsushi	0:f77369cabd75	3819
hattori_atsushi	0:f77369cabd75	3820	#if !_FS_READONLY
hattori_atsushi	0:f77369cabd75	3821	#include <stdarg.h>
hattori_atsushi	0:f77369cabd75	3822	/-----------------------------------------------------------------------/
hattori_atsushi	0:f77369cabd75	3823	/* Put a character to the file */
hattori_atsushi	0:f77369cabd75	3824	/-----------------------------------------------------------------------/
hattori_atsushi	0:f77369cabd75	3825	int f_putc (
hattori_atsushi	0:f77369cabd75	3826	TCHAR c, /* A character to be output */
hattori_atsushi	0:f77369cabd75	3827	FIL_t* fil /* Pointer to the file object */
hattori_atsushi	0:f77369cabd75	3828	)
hattori_atsushi	0:f77369cabd75	3829	{
hattori_atsushi	0:f77369cabd75	3830	UINT bw, btw;
hattori_atsushi	0:f77369cabd75	3831	BYTE s[3];
hattori_atsushi	0:f77369cabd75	3832
hattori_atsushi	0:f77369cabd75	3833
hattori_atsushi	0:f77369cabd75	3834	#if _USE_STRFUNC >= 2
hattori_atsushi	0:f77369cabd75	3835	if (c == '\n') f_putc ('\r', fil); /* LF -> CRLF conversion */
hattori_atsushi	0:f77369cabd75	3836	#endif
hattori_atsushi	0:f77369cabd75	3837
hattori_atsushi	0:f77369cabd75	3838	#if _LFN_UNICODE /* Write the character in UTF-8 encoding */
hattori_atsushi	0:f77369cabd75	3839	if (c < 0x80) { /* 7-bit */
hattori_atsushi	0:f77369cabd75	3840	s[0] = (BYTE)c;
hattori_atsushi	0:f77369cabd75	3841	btw = 1;
hattori_atsushi	0:f77369cabd75	3842	} else {
hattori_atsushi	0:f77369cabd75	3843	if (c < 0x800) { /* 11-bit */
hattori_atsushi	0:f77369cabd75	3844	s[0] = (BYTE)(0xC0 \| (c >> 6));
hattori_atsushi	0:f77369cabd75	3845	s[1] = (BYTE)(0x80 \| (c & 0x3F));
hattori_atsushi	0:f77369cabd75	3846	btw = 2;
hattori_atsushi	0:f77369cabd75	3847	} else { /* 16-bit */
hattori_atsushi	0:f77369cabd75	3848	s[0] = (BYTE)(0xE0 \| (c >> 12));
hattori_atsushi	0:f77369cabd75	3849	s[1] = (BYTE)(0x80 \| ((c >> 6) & 0x3F));
hattori_atsushi	0:f77369cabd75	3850	s[2] = (BYTE)(0x80 \| (c & 0x3F));
hattori_atsushi	0:f77369cabd75	3851	btw = 3;
hattori_atsushi	0:f77369cabd75	3852	}
hattori_atsushi	0:f77369cabd75	3853	}
hattori_atsushi	0:f77369cabd75	3854	#else /* Write the character without conversion */
hattori_atsushi	0:f77369cabd75	3855	s[0] = (BYTE)c;
hattori_atsushi	0:f77369cabd75	3856	btw = 1;
hattori_atsushi	0:f77369cabd75	3857	#endif
hattori_atsushi	0:f77369cabd75	3858	f_write(fil, s, btw, &bw); /* Write the char to the file */
hattori_atsushi	0:f77369cabd75	3859	return (bw == btw) ? 1 : EOF; /* Return the result */
hattori_atsushi	0:f77369cabd75	3860	}
hattori_atsushi	0:f77369cabd75	3861
hattori_atsushi	0:f77369cabd75	3862
hattori_atsushi	0:f77369cabd75	3863
hattori_atsushi	0:f77369cabd75	3864
hattori_atsushi	0:f77369cabd75	3865	/-----------------------------------------------------------------------/
hattori_atsushi	0:f77369cabd75	3866	/* Put a string to the file */
hattori_atsushi	0:f77369cabd75	3867	/-----------------------------------------------------------------------/
hattori_atsushi	0:f77369cabd75	3868	int f_puts (
hattori_atsushi	0:f77369cabd75	3869	const TCHAR* str, /* Pointer to the string to be output */
hattori_atsushi	0:f77369cabd75	3870	FIL_t* fil /* Pointer to the file object */
hattori_atsushi	0:f77369cabd75	3871	)
hattori_atsushi	0:f77369cabd75	3872	{
hattori_atsushi	0:f77369cabd75	3873	int n;
hattori_atsushi	0:f77369cabd75	3874
hattori_atsushi	0:f77369cabd75	3875
hattori_atsushi	0:f77369cabd75	3876	for (n = 0; *str; str++, n++) {
hattori_atsushi	0:f77369cabd75	3877	if (f_putc(*str, fil) == EOF) return EOF;
hattori_atsushi	0:f77369cabd75	3878	}
hattori_atsushi	0:f77369cabd75	3879	return n;
hattori_atsushi	0:f77369cabd75	3880	}
hattori_atsushi	0:f77369cabd75	3881
hattori_atsushi	0:f77369cabd75	3882
hattori_atsushi	0:f77369cabd75	3883
hattori_atsushi	0:f77369cabd75	3884
hattori_atsushi	0:f77369cabd75	3885	/-----------------------------------------------------------------------/
hattori_atsushi	0:f77369cabd75	3886	/* Put a formatted string to the file */
hattori_atsushi	0:f77369cabd75	3887	/-----------------------------------------------------------------------/
hattori_atsushi	0:f77369cabd75	3888	int f_printf (
hattori_atsushi	0:f77369cabd75	3889	FIL_t* fil, /* Pointer to the file object */
hattori_atsushi	0:f77369cabd75	3890	const TCHAR* str, /* Pointer to the format string */
hattori_atsushi	0:f77369cabd75	3891	... /* Optional arguments... */
hattori_atsushi	0:f77369cabd75	3892	)
hattori_atsushi	0:f77369cabd75	3893	{
hattori_atsushi	0:f77369cabd75	3894	va_list arp;
hattori_atsushi	0:f77369cabd75	3895	BYTE f, r;
hattori_atsushi	0:f77369cabd75	3896	UINT i, j, w;
hattori_atsushi	0:f77369cabd75	3897	ULONG v;
hattori_atsushi	0:f77369cabd75	3898	TCHAR c, d, s[16], *p;
hattori_atsushi	0:f77369cabd75	3899	int res, cc;
hattori_atsushi	0:f77369cabd75	3900
hattori_atsushi	0:f77369cabd75	3901
hattori_atsushi	0:f77369cabd75	3902	va_start(arp, str);
hattori_atsushi	0:f77369cabd75	3903
hattori_atsushi	0:f77369cabd75	3904	for (cc = res = 0; cc != EOF; res += cc) {
hattori_atsushi	0:f77369cabd75	3905	c = *str++;
hattori_atsushi	0:f77369cabd75	3906	if (c == 0) break; /* End of string */
hattori_atsushi	0:f77369cabd75	3907	if (c != '%') { /* Non escape character */
hattori_atsushi	0:f77369cabd75	3908	cc = f_putc(c, fil);
hattori_atsushi	0:f77369cabd75	3909	if (cc != EOF) cc = 1;
hattori_atsushi	0:f77369cabd75	3910	continue;
hattori_atsushi	0:f77369cabd75	3911	}
hattori_atsushi	0:f77369cabd75	3912	w = f = 0;
hattori_atsushi	0:f77369cabd75	3913	c = *str++;
hattori_atsushi	0:f77369cabd75	3914	if (c == '0') { /* Flag: '0' padding */
hattori_atsushi	0:f77369cabd75	3915	f = 1; c = *str++;
hattori_atsushi	0:f77369cabd75	3916	} else {
hattori_atsushi	0:f77369cabd75	3917	if (c == '-') { /* Flag: left justified */
hattori_atsushi	0:f77369cabd75	3918	f = 2; c = *str++;
hattori_atsushi	0:f77369cabd75	3919	}
hattori_atsushi	0:f77369cabd75	3920	}
hattori_atsushi	0:f77369cabd75	3921	while (IsDigit(c)) { /* Precision */
hattori_atsushi	0:f77369cabd75	3922	w = w * 10 + c - '0';
hattori_atsushi	0:f77369cabd75	3923	c = *str++;
hattori_atsushi	0:f77369cabd75	3924	}
hattori_atsushi	0:f77369cabd75	3925	if (c == 'l' \|\| c == 'L') { /* Prefix: Size is long int */
hattori_atsushi	0:f77369cabd75	3926	f \|= 4; c = *str++;
hattori_atsushi	0:f77369cabd75	3927	}
hattori_atsushi	0:f77369cabd75	3928	if (!c) break;
hattori_atsushi	0:f77369cabd75	3929	d = c;
hattori_atsushi	0:f77369cabd75	3930	if (IsLower(d)) d -= 0x20;
hattori_atsushi	0:f77369cabd75	3931	switch (d) { /* Type is... */
hattori_atsushi	0:f77369cabd75	3932	case 'S' : /* String */
hattori_atsushi	0:f77369cabd75	3933	p = va_arg(arp, TCHAR*);
hattori_atsushi	0:f77369cabd75	3934	for (j = 0; p[j]; j++) ;
hattori_atsushi	0:f77369cabd75	3935	res = 0;
hattori_atsushi	0:f77369cabd75	3936	while (!(f & 2) && j++ < w) res += (cc = f_putc(' ', fil));
hattori_atsushi	0:f77369cabd75	3937	res += (cc = f_puts(p, fil));
hattori_atsushi	0:f77369cabd75	3938	while (j++ < w) res += (cc = f_putc(' ', fil));
hattori_atsushi	0:f77369cabd75	3939	if (cc != EOF) cc = res;
hattori_atsushi	0:f77369cabd75	3940	continue;
hattori_atsushi	0:f77369cabd75	3941	case 'C' : /* Character */
hattori_atsushi	0:f77369cabd75	3942	cc = f_putc((TCHAR)va_arg(arp, int), fil); continue;
hattori_atsushi	0:f77369cabd75	3943	case 'B' : /* Binary */
hattori_atsushi	0:f77369cabd75	3944	r = 2; break;
hattori_atsushi	0:f77369cabd75	3945	case 'O' : /* Octal */
hattori_atsushi	0:f77369cabd75	3946	r = 8; break;
hattori_atsushi	0:f77369cabd75	3947	case 'D' : /* Signed decimal */
hattori_atsushi	0:f77369cabd75	3948	case 'U' : /* Unsigned decimal */
hattori_atsushi	0:f77369cabd75	3949	r = 10; break;
hattori_atsushi	0:f77369cabd75	3950	case 'X' : /* Hexdecimal */
hattori_atsushi	0:f77369cabd75	3951	r = 16; break;
hattori_atsushi	0:f77369cabd75	3952	default: /* Unknown type (passthrough) */
hattori_atsushi	0:f77369cabd75	3953	cc = f_putc(c, fil); continue;
hattori_atsushi	0:f77369cabd75	3954	}
hattori_atsushi	0:f77369cabd75	3955
hattori_atsushi	0:f77369cabd75	3956	/* Get an argument and put it in numeral */
hattori_atsushi	0:f77369cabd75	3957	v = (f & 4) ? va_arg(arp, long) : ((d == 'D') ? (long)va_arg(arp, int) : va_arg(arp, unsigned int));
hattori_atsushi	0:f77369cabd75	3958	if (d == 'D' && (v & 0x80000000)) {
hattori_atsushi	0:f77369cabd75	3959	v = 0 - v;
hattori_atsushi	0:f77369cabd75	3960	f \|= 8;
hattori_atsushi	0:f77369cabd75	3961	}
hattori_atsushi	0:f77369cabd75	3962	i = 0;
hattori_atsushi	0:f77369cabd75	3963	do {
hattori_atsushi	0:f77369cabd75	3964	d = (TCHAR)(v % r); v /= r;
hattori_atsushi	0:f77369cabd75	3965	if (d > 9) d += (c == 'x') ? 0x27 : 0x07;
hattori_atsushi	0:f77369cabd75	3966	s[i++] = d + '0';
hattori_atsushi	0:f77369cabd75	3967	} while (v && i < sizeof(s) / sizeof(s[0]));
hattori_atsushi	0:f77369cabd75	3968	if (f & 8) s[i++] = '-';
hattori_atsushi	0:f77369cabd75	3969	j = i; d = (f & 1) ? '0' : ' ';
hattori_atsushi	0:f77369cabd75	3970	res = 0;
hattori_atsushi	0:f77369cabd75	3971	while (!(f & 2) && j++ < w) res += (cc = f_putc(d, fil));
hattori_atsushi	0:f77369cabd75	3972	do res += (cc = f_putc(s[--i], fil)); while(i);
hattori_atsushi	0:f77369cabd75	3973	while (j++ < w) res += (cc = f_putc(' ', fil));
hattori_atsushi	0:f77369cabd75	3974	if (cc != EOF) cc = res;
hattori_atsushi	0:f77369cabd75	3975	}
hattori_atsushi	0:f77369cabd75	3976
hattori_atsushi	0:f77369cabd75	3977	va_end(arp);
hattori_atsushi	0:f77369cabd75	3978	return (cc == EOF) ? cc : res;
hattori_atsushi	0:f77369cabd75	3979	}
hattori_atsushi	0:f77369cabd75	3980
hattori_atsushi	0:f77369cabd75	3981	#endif /* !_FS_READONLY */
hattori_atsushi	0:f77369cabd75	3982	#endif /* _USE_STRFUNC */

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Type:	Program
Mbed OS support:	Mbed 2 deprecated
Created:	18 Dec 2022
Imports:	0
Forks:	0
Commits:	1
Dependents:	0
Dependencies:	1
Followers:	1

The code in this repository is Apache licensed.

ChaNFSUSB/ChaNFS/CHAN_FS/ff.c@0:f77369cabd75, 18 months ago (annotated)

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