forked

Dependents:   Lab3

Fork of FatFileSystemCpp by Igor Skochinsky

Revision:
2:5cdf6d5c3b68
Parent:
1:88f22c32a456
--- a/ff.cpp	Mon Jul 30 13:45:05 2012 +0000
+++ b/ff.cpp	Wed Mar 06 00:19:18 2013 +0000
@@ -92,8 +92,8 @@
 /                   Added f_fdisk(). (_MULTI_PARTITION = 2)
 /---------------------------------------------------------------------------*/
 
-#include "ff.h"			/* FatFs configurations and declarations */
-#include "diskio.h"		/* Declarations of low level disk I/O functions */
+#include "ff.h"            /* FatFs configurations and declarations */
+#include "diskio.h"        /* Declarations of low level disk I/O functions */
 
 
 /*--------------------------------------------------------------------------
@@ -102,7 +102,7 @@
 
 ---------------------------------------------------------------------------*/
 
-#if _FATFS != 6502	/* Revision ID */
+#if _FATFS != 6502    /* Revision ID */
 #error Wrong include file (ff.h).
 #endif
 
@@ -112,9 +112,9 @@
 #error Wrong sector size.
 #endif
 #if _MAX_SS != 512
-#define	SS(fs)	((fs)->ssize)	/* Variable sector size */
+#define    SS(fs)    ((fs)->ssize)    /* Variable sector size */
 #else
-#define	SS(fs)	512U			/* Fixed sector size */
+#define    SS(fs)    512U            /* Fixed sector size */
 #endif
 
 
@@ -123,14 +123,14 @@
 #if _USE_LFN == 1
 #error Static LFN work area must not be used in re-entrant configuration.
 #endif
-#define	ENTER_FF(fs)		{ if (!lock_fs(fs)) return FR_TIMEOUT; }
-#define	LEAVE_FF(fs, res)	{ unlock_fs(fs, res); return res; }
+#define    ENTER_FF(fs)        { if (!lock_fs(fs)) return FR_TIMEOUT; }
+#define    LEAVE_FF(fs, res)    { unlock_fs(fs, res); return res; }
 #else
-#define	ENTER_FF(fs)
-#define LEAVE_FF(fs, res)	return res
+#define    ENTER_FF(fs)
+#define LEAVE_FF(fs, res)    return res
 #endif
 
-#define	ABORT(fs, res)		{ fp->flag |= FA__ERROR; LEAVE_FF(fs, res); }
+#define    ABORT(fs, res)        { fp->flag |= FA__ERROR; LEAVE_FF(fs, res); }
 
 
 /* File shareing feature */
@@ -139,209 +139,209 @@
 #error _FS_SHARE must be 0 on read-only cfg.
 #endif
 typedef struct {
-	FATFS *fs;				/* File ID 1, volume (NULL:blank entry) */
-	DWORD clu;				/* File ID 2, directory */
-	WORD idx;				/* File ID 3, directory index */
-	WORD ctr;				/* File open counter, 0:none, 0x01..0xFF:read open count, 0x100:write mode */
+    FATFS *fs;                /* File ID 1, volume (NULL:blank entry) */
+    DWORD clu;                /* File ID 2, directory */
+    WORD idx;                /* File ID 3, directory index */
+    WORD ctr;                /* File open counter, 0:none, 0x01..0xFF:read open count, 0x100:write mode */
 } FILESEM;
 #endif
 
 
 /* Misc definitions */
-#define LD_CLUST(dir)	(((DWORD)LD_WORD(dir+DIR_FstClusHI)<<16) | LD_WORD(dir+DIR_FstClusLO))
+#define LD_CLUST(dir)    (((DWORD)LD_WORD(dir+DIR_FstClusHI)<<16) | LD_WORD(dir+DIR_FstClusLO))
 #define ST_CLUST(dir,cl) {ST_WORD(dir+DIR_FstClusLO, cl); ST_WORD(dir+DIR_FstClusHI, (DWORD)cl>>16);}
 
 
 /* DBCS code ranges and SBCS extend char conversion table */
 
-#if _CODE_PAGE == 932	/* Japanese Shift-JIS */
-#define _DF1S	0x81	/* DBC 1st byte range 1 start */
-#define _DF1E	0x9F	/* DBC 1st byte range 1 end */
-#define _DF2S	0xE0	/* DBC 1st byte range 2 start */
-#define _DF2E	0xFC	/* DBC 1st byte range 2 end */
-#define _DS1S	0x40	/* DBC 2nd byte range 1 start */
-#define _DS1E	0x7E	/* DBC 2nd byte range 1 end */
-#define _DS2S	0x80	/* DBC 2nd byte range 2 start */
-#define _DS2E	0xFC	/* DBC 2nd byte range 2 end */
-
-#elif _CODE_PAGE == 936	/* Simplified Chinese GBK */
-#define _DF1S	0x81
-#define _DF1E	0xFE
-#define _DS1S	0x40
-#define _DS1E	0x7E
-#define _DS2S	0x80
-#define _DS2E	0xFE
-
-#elif _CODE_PAGE == 949	/* Korean */
-#define _DF1S	0x81
-#define _DF1E	0xFE
-#define _DS1S	0x41
-#define _DS1E	0x5A
-#define _DS2S	0x61
-#define _DS2E	0x7A
-#define _DS3S	0x81
-#define _DS3E	0xFE
-
-#elif _CODE_PAGE == 950	/* Traditional Chinese Big5 */
-#define _DF1S	0x81
-#define _DF1E	0xFE
-#define _DS1S	0x40
-#define _DS1E	0x7E
-#define _DS2S	0xA1
-#define _DS2E	0xFE
-
-#elif _CODE_PAGE == 437	/* U.S. (OEM) */
-#define _DF1S	0
+#if _CODE_PAGE == 932    /* Japanese Shift-JIS */
+#define _DF1S    0x81    /* DBC 1st byte range 1 start */
+#define _DF1E    0x9F    /* DBC 1st byte range 1 end */
+#define _DF2S    0xE0    /* DBC 1st byte range 2 start */
+#define _DF2E    0xFC    /* DBC 1st byte range 2 end */
+#define _DS1S    0x40    /* DBC 2nd byte range 1 start */
+#define _DS1E    0x7E    /* DBC 2nd byte range 1 end */
+#define _DS2S    0x80    /* DBC 2nd byte range 2 start */
+#define _DS2E    0xFC    /* DBC 2nd byte range 2 end */
+
+#elif _CODE_PAGE == 936    /* Simplified Chinese GBK */
+#define _DF1S    0x81
+#define _DF1E    0xFE
+#define _DS1S    0x40
+#define _DS1E    0x7E
+#define _DS2S    0x80
+#define _DS2E    0xFE
+
+#elif _CODE_PAGE == 949    /* Korean */
+#define _DF1S    0x81
+#define _DF1E    0xFE
+#define _DS1S    0x41
+#define _DS1E    0x5A
+#define _DS2S    0x61
+#define _DS2E    0x7A
+#define _DS3S    0x81
+#define _DS3E    0xFE
+
+#elif _CODE_PAGE == 950    /* Traditional Chinese Big5 */
+#define _DF1S    0x81
+#define _DF1E    0xFE
+#define _DS1S    0x40
+#define _DS1E    0x7E
+#define _DS2S    0xA1
+#define _DS2E    0xFE
+
+#elif _CODE_PAGE == 437    /* U.S. (OEM) */
+#define _DF1S    0
 #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, \
-				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, \
-				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, \
-				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}
-
-#elif _CODE_PAGE == 720	/* Arabic (OEM) */
-#define _DF1S	0
+                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, \
+                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, \
+                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}
+
+#elif _CODE_PAGE == 720    /* Arabic (OEM) */
+#define _DF1S    0
 #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, \
-				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, \
-				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, \
-				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}
-
-#elif _CODE_PAGE == 737	/* Greek (OEM) */
-#define _DF1S	0
+                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, \
+                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, \
+                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}
+
+#elif _CODE_PAGE == 737    /* Greek (OEM) */
+#define _DF1S    0
 #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, \
-				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, \
-				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, \
-				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}
-
-#elif _CODE_PAGE == 775	/* Baltic (OEM) */
-#define _DF1S	0
+                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, \
+                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, \
+                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}
+
+#elif _CODE_PAGE == 775    /* Baltic (OEM) */
+#define _DF1S    0
 #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, \
-				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, \
-				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, \
-				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}
-
-#elif _CODE_PAGE == 850	/* Multilingual Latin 1 (OEM) */
-#define _DF1S	0
+                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, \
+                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, \
+                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}
+
+#elif _CODE_PAGE == 850    /* Multilingual Latin 1 (OEM) */
+#define _DF1S    0
 #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, \
-				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, \
-				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, \
-				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}
-
-#elif _CODE_PAGE == 852	/* Latin 2 (OEM) */
-#define _DF1S	0
+                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, \
+                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, \
+                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}
+
+#elif _CODE_PAGE == 852    /* Latin 2 (OEM) */
+#define _DF1S    0
 #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, \
-				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, \
-				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, \
-				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}
-
-#elif _CODE_PAGE == 855	/* Cyrillic (OEM) */
-#define _DF1S	0
+                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, \
+                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, \
+                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}
+
+#elif _CODE_PAGE == 855    /* Cyrillic (OEM) */
+#define _DF1S    0
 #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, \
-				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, \
-				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, \
-				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}
-
-#elif _CODE_PAGE == 857	/* Turkish (OEM) */
-#define _DF1S	0
+                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, \
+                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, \
+                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}
+
+#elif _CODE_PAGE == 857    /* Turkish (OEM) */
+#define _DF1S    0
 #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, \
-				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, \
-				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, \
-				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}
-
-#elif _CODE_PAGE == 858	/* Multilingual Latin 1 + Euro (OEM) */
-#define _DF1S	0
+                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, \
+                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, \
+                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}
+
+#elif _CODE_PAGE == 858    /* Multilingual Latin 1 + Euro (OEM) */
+#define _DF1S    0
 #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, \
-				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, \
-				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, \
-				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}
-
-#elif _CODE_PAGE == 862	/* Hebrew (OEM) */
-#define _DF1S	0
+                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, \
+                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, \
+                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}
+
+#elif _CODE_PAGE == 862    /* Hebrew (OEM) */
+#define _DF1S    0
 #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, \
-				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, \
-				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, \
-				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}
-
-#elif _CODE_PAGE == 866	/* Russian (OEM) */
-#define _DF1S	0
+                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, \
+                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, \
+                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}
+
+#elif _CODE_PAGE == 866    /* Russian (OEM) */
+#define _DF1S    0
 #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, \
-				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, \
-				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, \
-				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}
-
-#elif _CODE_PAGE == 874	/* Thai (OEM, Windows) */
-#define _DF1S	0
+                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, \
+                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, \
+                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}
+
+#elif _CODE_PAGE == 874    /* Thai (OEM, Windows) */
+#define _DF1S    0
 #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, \
-				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, \
-				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, \
-				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}
+                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, \
+                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, \
+                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}
 
 #elif _CODE_PAGE == 1250 /* Central Europe (Windows) */
-#define _DF1S	0
+#define _DF1S    0
 #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, \
-				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, \
-				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, \
-				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}
+                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, \
+                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, \
+                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}
 
 #elif _CODE_PAGE == 1251 /* Cyrillic (Windows) */
-#define _DF1S	0
+#define _DF1S    0
 #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, \
-				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, \
-				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, \
-				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}
+                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, \
+                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, \
+                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}
 
 #elif _CODE_PAGE == 1252 /* Latin 1 (Windows) */
-#define _DF1S	0
+#define _DF1S    0
 #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, \
-				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, \
-				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, \
-				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}
+                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, \
+                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, \
+                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}
 
 #elif _CODE_PAGE == 1253 /* Greek (Windows) */
-#define _DF1S	0
+#define _DF1S    0
 #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, \
-				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, \
-				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, \
-				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}
+                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, \
+                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, \
+                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}
 
 #elif _CODE_PAGE == 1254 /* Turkish (Windows) */
-#define _DF1S	0
+#define _DF1S    0
 #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, \
-				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, \
-				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, \
-				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}
+                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, \
+                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, \
+                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}
 
 #elif _CODE_PAGE == 1255 /* Hebrew (Windows) */
-#define _DF1S	0
+#define _DF1S    0
 #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, \
-				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, \
-				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, \
-				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}
+                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, \
+                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, \
+                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}
 
 #elif _CODE_PAGE == 1256 /* Arabic (Windows) */
-#define _DF1S	0
+#define _DF1S    0
 #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, \
-				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, \
-				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, \
-				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}
+                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, \
+                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, \
+                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}
 
 #elif _CODE_PAGE == 1257 /* Baltic (Windows) */
-#define _DF1S	0
+#define _DF1S    0
 #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, \
-				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, \
-				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, \
-				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}
+                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, \
+                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, \
+                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}
 
 #elif _CODE_PAGE == 1258 /* Vietnam (OEM, Windows) */
-#define _DF1S	0
+#define _DF1S    0
 #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, \
-				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, \
-				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, \
-				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}
-
-#elif _CODE_PAGE == 1	/* ASCII (for only non-LFN cfg) */
+                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, \
+                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, \
+                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}
+
+#elif _CODE_PAGE == 1    /* ASCII (for only non-LFN cfg) */
 #if _USE_LFN
 #error Cannot use LFN feature without valid code page.
 #endif
-#define _DF1S	0
+#define _DF1S    0
 
 #else
 #error Unknown code page
@@ -350,109 +350,109 @@
 
 
 /* Character code support macros */
-#define IsUpper(c)	(((c)>='A')&&((c)<='Z'))
-#define IsLower(c)	(((c)>='a')&&((c)<='z'))
-#define IsDigit(c)	(((c)>='0')&&((c)<='9'))
-
-#if _DF1S		/* Code page is DBCS */
-
-#ifdef _DF2S	/* Two 1st byte areas */
-#define IsDBCS1(c)	(((BYTE)(c) >= _DF1S && (BYTE)(c) <= _DF1E) || ((BYTE)(c) >= _DF2S && (BYTE)(c) <= _DF2E))
-#else			/* One 1st byte area */
-#define IsDBCS1(c)	((BYTE)(c) >= _DF1S && (BYTE)(c) <= _DF1E)
+#define IsUpper(c)    (((c)>='A')&&((c)<='Z'))
+#define IsLower(c)    (((c)>='a')&&((c)<='z'))
+#define IsDigit(c)    (((c)>='0')&&((c)<='9'))
+
+#if _DF1S        /* Code page is DBCS */
+
+#ifdef _DF2S    /* Two 1st byte areas */
+#define IsDBCS1(c)    (((BYTE)(c) >= _DF1S && (BYTE)(c) <= _DF1E) || ((BYTE)(c) >= _DF2S && (BYTE)(c) <= _DF2E))
+#else            /* One 1st byte area */
+#define IsDBCS1(c)    ((BYTE)(c) >= _DF1S && (BYTE)(c) <= _DF1E)
 #endif
 
-#ifdef _DS3S	/* Three 2nd byte areas */
-#define IsDBCS2(c)	(((BYTE)(c) >= _DS1S && (BYTE)(c) <= _DS1E) || ((BYTE)(c) >= _DS2S && (BYTE)(c) <= _DS2E) || ((BYTE)(c) >= _DS3S && (BYTE)(c) <= _DS3E))
-#else			/* Two 2nd byte areas */
-#define IsDBCS2(c)	(((BYTE)(c) >= _DS1S && (BYTE)(c) <= _DS1E) || ((BYTE)(c) >= _DS2S && (BYTE)(c) <= _DS2E))
+#ifdef _DS3S    /* Three 2nd byte areas */
+#define IsDBCS2(c)    (((BYTE)(c) >= _DS1S && (BYTE)(c) <= _DS1E) || ((BYTE)(c) >= _DS2S && (BYTE)(c) <= _DS2E) || ((BYTE)(c) >= _DS3S && (BYTE)(c) <= _DS3E))
+#else            /* Two 2nd byte areas */
+#define IsDBCS2(c)    (((BYTE)(c) >= _DS1S && (BYTE)(c) <= _DS1E) || ((BYTE)(c) >= _DS2S && (BYTE)(c) <= _DS2E))
 #endif
 
-#else			/* Code page is SBCS */
-
-#define IsDBCS1(c)	0
-#define IsDBCS2(c)	0
+#else            /* Code page is SBCS */
+
+#define IsDBCS1(c)    0
+#define IsDBCS2(c)    0
 
 #endif /* _DF1S */
 
 
 /* Name status flags */
-#define NS			11		/* Index of name status byte in fn[] */
-#define NS_LOSS		0x01	/* Out of 8.3 format */
-#define NS_LFN		0x02	/* Force to create LFN entry */
-#define NS_LAST		0x04	/* Last segment */
-#define NS_BODY		0x08	/* Lower case flag (body) */
-#define NS_EXT		0x10	/* Lower case flag (ext) */
-#define NS_DOT		0x20	/* Dot entry */
+#define NS            11        /* Index of name status byte in fn[] */
+#define NS_LOSS        0x01    /* Out of 8.3 format */
+#define NS_LFN        0x02    /* Force to create LFN entry */
+#define NS_LAST        0x04    /* Last segment */
+#define NS_BODY        0x08    /* Lower case flag (body) */
+#define NS_EXT        0x10    /* Lower case flag (ext) */
+#define NS_DOT        0x20    /* Dot entry */
 
 
 /* FAT sub-type boundaries */
 /* Note that the FAT spec by Microsoft says 4085 but Windows works with 4087! */
-#define MIN_FAT16	4086	/* Minimum number of clusters for FAT16 */
-#define	MIN_FAT32	65526	/* Minimum number of clusters for FAT32 */
+#define MIN_FAT16    4086    /* Minimum number of clusters for FAT16 */
+#define    MIN_FAT32    65526    /* Minimum number of clusters for FAT32 */
 
 
 /* FatFs refers the members in the FAT structures as byte array instead of
 / structure member because the structure is not binary compatible between
 / different platforms */
 
-#define BS_jmpBoot			0	/* Jump instruction (3) */
-#define BS_OEMName			3	/* OEM name (8) */
-#define BPB_BytsPerSec		11	/* Sector size [byte] (2) */
-#define BPB_SecPerClus		13	/* Cluster size [sector] (1) */
-#define BPB_RsvdSecCnt		14	/* Size of reserved area [sector] (2) */
-#define BPB_NumFATs			16	/* Number of FAT copies (1) */
-#define BPB_RootEntCnt		17	/* Number of root dir entries for FAT12/16 (2) */
-#define BPB_TotSec16		19	/* Volume size [sector] (2) */
-#define BPB_Media			21	/* Media descriptor (1) */
-#define BPB_FATSz16			22	/* FAT size [sector] (2) */
-#define BPB_SecPerTrk		24	/* Track size [sector] (2) */
-#define BPB_NumHeads		26	/* Number of heads (2) */
-#define BPB_HiddSec			28	/* Number of special hidden sectors (4) */
-#define BPB_TotSec32		32	/* Volume size [sector] (4) */
-#define BS_DrvNum			36	/* Physical drive number (2) */
-#define BS_BootSig			38	/* Extended boot signature (1) */
-#define BS_VolID			39	/* Volume serial number (4) */
-#define BS_VolLab			43	/* Volume label (8) */
-#define BS_FilSysType		54	/* File system type (1) */
-#define BPB_FATSz32			36	/* FAT size [sector] (4) */
-#define BPB_ExtFlags		40	/* Extended flags (2) */
-#define BPB_FSVer			42	/* File system version (2) */
-#define BPB_RootClus		44	/* Root dir first cluster (4) */
-#define BPB_FSInfo			48	/* Offset of FSInfo sector (2) */
-#define BPB_BkBootSec		50	/* Offset of backup boot sectot (2) */
-#define BS_DrvNum32			64	/* Physical drive number (2) */
-#define BS_BootSig32		66	/* Extended boot signature (1) */
-#define BS_VolID32			67	/* Volume serial number (4) */
-#define BS_VolLab32			71	/* Volume label (8) */
-#define BS_FilSysType32		82	/* File system type (1) */
-#define	FSI_LeadSig			0	/* FSI: Leading signature (4) */
-#define	FSI_StrucSig		484	/* FSI: Structure signature (4) */
-#define	FSI_Free_Count		488	/* FSI: Number of free clusters (4) */
-#define	FSI_Nxt_Free		492	/* FSI: Last allocated cluster (4) */
-#define MBR_Table			446	/* MBR: Partition table offset (2) */
-#define	SZ_PTE				16	/* MBR: Size of a partition table entry */
-#define BS_55AA				510	/* Boot sector signature (2) */
-
-#define	DIR_Name			0	/* Short file name (11) */
-#define	DIR_Attr			11	/* Attribute (1) */
-#define	DIR_NTres			12	/* NT flag (1) */
-#define	DIR_CrtTime			14	/* Created time (2) */
-#define	DIR_CrtDate			16	/* Created date (2) */
-#define	DIR_FstClusHI		20	/* Higher 16-bit of first cluster (2) */
-#define	DIR_WrtTime			22	/* Modified time (2) */
-#define	DIR_WrtDate			24	/* Modified date (2) */
-#define	DIR_FstClusLO		26	/* Lower 16-bit of first cluster (2) */
-#define	DIR_FileSize		28	/* File size (4) */
-#define	LDIR_Ord			0	/* LFN entry order and LLE flag (1) */
-#define	LDIR_Attr			11	/* LFN attribute (1) */
-#define	LDIR_Type			12	/* LFN type (1) */
-#define	LDIR_Chksum			13	/* Sum of corresponding SFN entry */
-#define	LDIR_FstClusLO		26	/* Filled by zero (0) */
-#define	SZ_DIR				32		/* Size of a directory entry */
-#define	LLE					0x40	/* Last long entry flag in LDIR_Ord */
-#define	DDE					0xE5	/* Deleted directory enrty mark in DIR_Name[0] */
-#define	NDDE				0x05	/* Replacement of a character collides with DDE */
+#define BS_jmpBoot            0    /* Jump instruction (3) */
+#define BS_OEMName            3    /* OEM name (8) */
+#define BPB_BytsPerSec        11    /* Sector size [byte] (2) */
+#define BPB_SecPerClus        13    /* Cluster size [sector] (1) */
+#define BPB_RsvdSecCnt        14    /* Size of reserved area [sector] (2) */
+#define BPB_NumFATs            16    /* Number of FAT copies (1) */
+#define BPB_RootEntCnt        17    /* Number of root dir entries for FAT12/16 (2) */
+#define BPB_TotSec16        19    /* Volume size [sector] (2) */
+#define BPB_Media            21    /* Media descriptor (1) */
+#define BPB_FATSz16            22    /* FAT size [sector] (2) */
+#define BPB_SecPerTrk        24    /* Track size [sector] (2) */
+#define BPB_NumHeads        26    /* Number of heads (2) */
+#define BPB_HiddSec            28    /* Number of special hidden sectors (4) */
+#define BPB_TotSec32        32    /* Volume size [sector] (4) */
+#define BS_DrvNum            36    /* Physical drive number (2) */
+#define BS_BootSig            38    /* Extended boot signature (1) */
+#define BS_VolID            39    /* Volume serial number (4) */
+#define BS_VolLab            43    /* Volume label (8) */
+#define BS_FilSysType        54    /* File system type (1) */
+#define BPB_FATSz32            36    /* FAT size [sector] (4) */
+#define BPB_ExtFlags        40    /* Extended flags (2) */
+#define BPB_FSVer            42    /* File system version (2) */
+#define BPB_RootClus        44    /* Root dir first cluster (4) */
+#define BPB_FSInfo            48    /* Offset of FSInfo sector (2) */
+#define BPB_BkBootSec        50    /* Offset of backup boot sectot (2) */
+#define BS_DrvNum32            64    /* Physical drive number (2) */
+#define BS_BootSig32        66    /* Extended boot signature (1) */
+#define BS_VolID32            67    /* Volume serial number (4) */
+#define BS_VolLab32            71    /* Volume label (8) */
+#define BS_FilSysType32        82    /* File system type (1) */
+#define    FSI_LeadSig            0    /* FSI: Leading signature (4) */
+#define    FSI_StrucSig        484    /* FSI: Structure signature (4) */
+#define    FSI_Free_Count        488    /* FSI: Number of free clusters (4) */
+#define    FSI_Nxt_Free        492    /* FSI: Last allocated cluster (4) */
+#define MBR_Table            446    /* MBR: Partition table offset (2) */
+#define    SZ_PTE                16    /* MBR: Size of a partition table entry */
+#define BS_55AA                510    /* Boot sector signature (2) */
+
+#define    DIR_Name            0    /* Short file name (11) */
+#define    DIR_Attr            11    /* Attribute (1) */
+#define    DIR_NTres            12    /* NT flag (1) */
+#define    DIR_CrtTime            14    /* Created time (2) */
+#define    DIR_CrtDate            16    /* Created date (2) */
+#define    DIR_FstClusHI        20    /* Higher 16-bit of first cluster (2) */
+#define    DIR_WrtTime            22    /* Modified time (2) */
+#define    DIR_WrtDate            24    /* Modified date (2) */
+#define    DIR_FstClusLO        26    /* Lower 16-bit of first cluster (2) */
+#define    DIR_FileSize        28    /* File size (4) */
+#define    LDIR_Ord            0    /* LFN entry order and LLE flag (1) */
+#define    LDIR_Attr            11    /* LFN attribute (1) */
+#define    LDIR_Type            12    /* LFN type (1) */
+#define    LDIR_Chksum            13    /* Sum of corresponding SFN entry */
+#define    LDIR_FstClusLO        26    /* Filled by zero (0) */
+#define    SZ_DIR                32        /* Size of a directory entry */
+#define    LLE                    0x40    /* Last long entry flag in LDIR_Ord */
+#define    DDE                    0xE5    /* Deleted directory enrty mark in DIR_Name[0] */
+#define    NDDE                0x05    /* Replacement of a character collides with DDE */
 
 
 /*------------------------------------------------------------*/
@@ -465,46 +465,46 @@
 
 #if _VOLUMES
 static
-FATFS *FatFs[_VOLUMES];	/* Pointer to the file system objects (logical drives) */
+FATFS *FatFs[_VOLUMES];    /* Pointer to the file system objects (logical drives) */
 #else
 #error Number of volumes must not be 0.
 #endif
 
 static
-WORD Fsid;				/* File system mount ID */
+WORD Fsid;                /* File system mount ID */
 
 #if _FS_RPATH
 static
-BYTE CurrVol;			/* Current drive */
+BYTE CurrVol;            /* Current drive */
 #endif
 
 #if _FS_SHARE
 static
-FILESEM	Files[_FS_SHARE];	/* File lock semaphores */
+FILESEM    Files[_FS_SHARE];    /* File lock semaphores */
 #endif
 
-#if _USE_LFN == 0			/* No LFN feature */
-#define	DEF_NAMEBUF			BYTE sfn[12]
-#define INIT_BUF(dobj)		(dobj).fn = sfn
-#define	FREE_BUF()
-
-#elif _USE_LFN == 1			/* LFN feature with static working buffer */
+#if _USE_LFN == 0            /* No LFN feature */
+#define    DEF_NAMEBUF            BYTE sfn[12]
+#define INIT_BUF(dobj)        (dobj).fn = sfn
+#define    FREE_BUF()
+
+#elif _USE_LFN == 1            /* LFN feature with static working buffer */
 static WCHAR LfnBuf[_MAX_LFN+1];
-#define	DEF_NAMEBUF			BYTE sfn[12]
-#define INIT_BUF(dobj)		{ (dobj).fn = sfn; (dobj).lfn = LfnBuf; }
-#define	FREE_BUF()
-
-#elif _USE_LFN == 2 		/* LFN feature with dynamic working buffer on the stack */
-#define	DEF_NAMEBUF			BYTE sfn[12]; WCHAR lbuf[_MAX_LFN+1]
-#define INIT_BUF(dobj)		{ (dobj).fn = sfn; (dobj).lfn = lbuf; }
-#define	FREE_BUF()
-
-#elif _USE_LFN == 3 		/* LFN feature with dynamic working buffer on the heap */
-#define	DEF_NAMEBUF			BYTE sfn[12]; WCHAR *lfn
-#define INIT_BUF(dobj)		{ lfn = ff_memalloc((_MAX_LFN + 1) * 2); \
-							  if (!lfn) LEAVE_FF((dobj).fs, FR_NOT_ENOUGH_CORE); \
-							  (dobj).lfn = lfn;	(dobj).fn = sfn; }
-#define	FREE_BUF()			ff_memfree(lfn)
+#define    DEF_NAMEBUF            BYTE sfn[12]
+#define INIT_BUF(dobj)        { (dobj).fn = sfn; (dobj).lfn = LfnBuf; }
+#define    FREE_BUF()
+
+#elif _USE_LFN == 2         /* LFN feature with dynamic working buffer on the stack */
+#define    DEF_NAMEBUF            BYTE sfn[12]; WCHAR lbuf[_MAX_LFN+1]
+#define INIT_BUF(dobj)        { (dobj).fn = sfn; (dobj).lfn = lbuf; }
+#define    FREE_BUF()
+
+#elif _USE_LFN == 3         /* LFN feature with dynamic working buffer on the heap */
+#define    DEF_NAMEBUF            BYTE sfn[12]; WCHAR *lfn
+#define INIT_BUF(dobj)        { lfn = ff_memalloc((_MAX_LFN + 1) * 2); \
+                              if (!lfn) LEAVE_FF((dobj).fs, FR_NOT_ENOUGH_CORE); \
+                              (dobj).lfn = lfn;    (dobj).fn = sfn; }
+#define    FREE_BUF()            ff_memfree(lfn)
 
 #else
 #error Wrong LFN configuration.
@@ -527,44 +527,44 @@
 /* Copy memory to memory */
 static
 void mem_cpy (void* dst, const void* src, UINT cnt) {
-	BYTE *d = (BYTE*)dst;
-	const BYTE *s = (const BYTE*)src;
+    BYTE *d = (BYTE*)dst;
+    const BYTE *s = (const BYTE*)src;
 
 #if _WORD_ACCESS == 1
-	while (cnt >= sizeof(int)) {
-		*(int*)d = *(int*)s;
-		d += sizeof(int); s += sizeof(int);
-		cnt -= sizeof(int);
-	}
+    while (cnt >= sizeof(int)) {
+        *(int*)d = *(int*)s;
+        d += sizeof(int); s += sizeof(int);
+        cnt -= sizeof(int);
+    }
 #endif
-	while (cnt--)
-		*d++ = *s++;
+    while (cnt--)
+        *d++ = *s++;
 }
 
 /* Fill memory */
 static
 void mem_set (void* dst, int val, UINT cnt) {
-	BYTE *d = (BYTE*)dst;
-
-	while (cnt--)
-		*d++ = (BYTE)val;
+    BYTE *d = (BYTE*)dst;
+
+    while (cnt--)
+        *d++ = (BYTE)val;
 }
 
 /* Compare memory to memory */
 static
 int mem_cmp (const void* dst, const void* src, UINT cnt) {
-	const BYTE *d = (const BYTE *)dst, *s = (const BYTE *)src;
-	int r = 0;
-
-	while (cnt-- && (r = *d++ - *s++) == 0) ;
-	return r;
+    const BYTE *d = (const BYTE *)dst, *s = (const BYTE *)src;
+    int r = 0;
+
+    while (cnt-- && (r = *d++ - *s++) == 0) ;
+    return r;
 }
 
 /* Check if chr is contained in the string */
 static
 int chk_chr (const char* str, int chr) {
-	while (*str && *str != chr) str++;
-	return *str;
+    while (*str && *str != chr) str++;
+    return *str;
 }
 
 
@@ -576,25 +576,25 @@
 
 static
 int lock_fs (
-	FATFS *fs		/* File system object */
+    FATFS *fs        /* File system object */
 )
 {
-	return ff_req_grant(fs->sobj);
+    return ff_req_grant(fs->sobj);
 }
 
 
 static
 void unlock_fs (
-	FATFS *fs,		/* File system object */
-	FRESULT res		/* Result code to be returned */
+    FATFS *fs,        /* File system object */
+    FRESULT res        /* Result code to be returned */
 )
 {
-	if (res != FR_NOT_ENABLED &&
-		res != FR_INVALID_DRIVE &&
-		res != FR_INVALID_OBJECT &&
-		res != FR_TIMEOUT) {
-		ff_rel_grant(fs->sobj);
-	}
+    if (res != FR_NOT_ENABLED &&
+        res != FR_INVALID_DRIVE &&
+        res != FR_INVALID_OBJECT &&
+        res != FR_TIMEOUT) {
+        ff_rel_grant(fs->sobj);
+    }
 }
 #endif
 
@@ -606,106 +606,106 @@
 #if _FS_SHARE
 
 static
-FRESULT chk_lock (	/* Check if the file can be accessed */
-	FATFS_DIR* dj,		/* Directory object pointing the file to be checked */
-	int acc			/* Desired access (0:Read, 1:Write, 2:Delete/Rename) */
+FRESULT chk_lock (    /* Check if the file can be accessed */
+    FATFS_DIR* dj,        /* Directory object pointing the file to be checked */
+    int acc            /* Desired access (0:Read, 1:Write, 2:Delete/Rename) */
 )
 {
-	UINT i, be;
-
-	/* Search file semaphore table */
-	for (i = be = 0; i < _FS_SHARE; i++) {
-		if (Files[i].fs) {	/* Existing entry */
-			if (Files[i].fs == dj->fs &&	 	/* Check if the file matched with an open file */
-				Files[i].clu == dj->sclust &&
-				Files[i].idx == dj->index) break;
-		} else {			/* Blank entry */
-			be++;
-		}
-	}
-	if (i == _FS_SHARE)	/* The file is not opened */
-		return (be || acc == 2) ? FR_OK : FR_TOO_MANY_OPEN_FILES;	/* Is there a blank entry for new file? */
-
-	/* The file has been opened. Reject any open against writing file and all write mode open */
-	return (acc || Files[i].ctr == 0x100) ? FR_LOCKED : FR_OK;
+    UINT i, be;
+
+    /* Search file semaphore table */
+    for (i = be = 0; i < _FS_SHARE; i++) {
+        if (Files[i].fs) {    /* Existing entry */
+            if (Files[i].fs == dj->fs &&         /* Check if the file matched with an open file */
+                Files[i].clu == dj->sclust &&
+                Files[i].idx == dj->index) break;
+        } else {            /* Blank entry */
+            be++;
+        }
+    }
+    if (i == _FS_SHARE)    /* The file is not opened */
+        return (be || acc == 2) ? FR_OK : FR_TOO_MANY_OPEN_FILES;    /* Is there a blank entry for new file? */
+
+    /* The file has been opened. Reject any open against writing file and all write mode open */
+    return (acc || Files[i].ctr == 0x100) ? FR_LOCKED : FR_OK;
 }
 
 
 static
-int enq_lock (void)	/* Check if an entry is available for a new file */
+int enq_lock (void)    /* Check if an entry is available for a new file */
 {
-	UINT i;
-
-	for (i = 0; i < _FS_SHARE && Files[i].fs; i++) ;
-	return (i == _FS_SHARE) ? 0 : 1;
+    UINT i;
+
+    for (i = 0; i < _FS_SHARE && Files[i].fs; i++) ;
+    return (i == _FS_SHARE) ? 0 : 1;
 }
 
 
 static
-UINT inc_lock (	/* Increment file open counter and returns its index (0:int error) */
-	FATFS_DIR* dj,	/* Directory object pointing the file to register or increment */
-	int acc		/* Desired access mode (0:Read, !0:Write) */
+UINT inc_lock (    /* Increment file open counter and returns its index (0:int error) */
+    FATFS_DIR* dj,    /* Directory object pointing the file to register or increment */
+    int acc        /* Desired access mode (0:Read, !0:Write) */
 )
 {
-	UINT i;
-
-
-	for (i = 0; i < _FS_SHARE; i++) {	/* Find the file */
-		if (Files[i].fs == dj->fs &&
-			Files[i].clu == dj->sclust &&
-			Files[i].idx == dj->index) break;
-	}
-
-	if (i == _FS_SHARE) {				/* Not opened. Register it as new. */
-		for (i = 0; i < _FS_SHARE && Files[i].fs; i++) ;
-		if (i == _FS_SHARE) return 0;	/* No space to register (int err) */
-		Files[i].fs = dj->fs;
-		Files[i].clu = dj->sclust;
-		Files[i].idx = dj->index;
-		Files[i].ctr = 0;
-	}
-
-	if (acc && Files[i].ctr) return 0;	/* Access violation (int err) */
-
-	Files[i].ctr = acc ? 0x100 : Files[i].ctr + 1;	/* Set semaphore value */
-
-	return i + 1;
+    UINT i;
+
+
+    for (i = 0; i < _FS_SHARE; i++) {    /* Find the file */
+        if (Files[i].fs == dj->fs &&
+            Files[i].clu == dj->sclust &&
+            Files[i].idx == dj->index) break;
+    }
+
+    if (i == _FS_SHARE) {                /* Not opened. Register it as new. */
+        for (i = 0; i < _FS_SHARE && Files[i].fs; i++) ;
+        if (i == _FS_SHARE) return 0;    /* No space to register (int err) */
+        Files[i].fs = dj->fs;
+        Files[i].clu = dj->sclust;
+        Files[i].idx = dj->index;
+        Files[i].ctr = 0;
+    }
+
+    if (acc && Files[i].ctr) return 0;    /* Access violation (int err) */
+
+    Files[i].ctr = acc ? 0x100 : Files[i].ctr + 1;    /* Set semaphore value */
+
+    return i + 1;
 }
 
 
 static
-FRESULT dec_lock (	/* Decrement file open counter */
-	UINT i			/* Semaphore index */
+FRESULT dec_lock (    /* Decrement file open counter */
+    UINT i            /* Semaphore index */
 )
 {
-	WORD n;
-	FRESULT res;
-
-
-	if (--i < _FS_SHARE) {
-		n = Files[i].ctr;
-		if (n == 0x100) n = 0;
-		if (n) n--;
-		Files[i].ctr = n;
-		if (!n) Files[i].fs = 0;
-		res = FR_OK;
-	} else {
-		res = FR_INT_ERR;
-	}
-	return res;
+    WORD n;
+    FRESULT res;
+
+
+    if (--i < _FS_SHARE) {
+        n = Files[i].ctr;
+        if (n == 0x100) n = 0;
+        if (n) n--;
+        Files[i].ctr = n;
+        if (!n) Files[i].fs = 0;
+        res = FR_OK;
+    } else {
+        res = FR_INT_ERR;
+    }
+    return res;
 }
 
 
 static
-void clear_lock (	/* Clear lock entries of the volume */
-	FATFS *fs
+void clear_lock (    /* Clear lock entries of the volume */
+    FATFS *fs
 )
 {
-	UINT i;
-
-	for (i = 0; i < _FS_SHARE; i++) {
-		if (Files[i].fs == fs) Files[i].fs = 0;
-	}
+    UINT i;
+
+    for (i = 0; i < _FS_SHARE; i++) {
+        if (Files[i].fs == fs) Files[i].fs = 0;
+    }
 }
 #endif
 
@@ -717,37 +717,37 @@
 
 static
 FRESULT move_window (
-	FATFS *fs,		/* File system object */
-	DWORD sector	/* Sector number to make appearance in the fs->win[] */
-)					/* Move to zero only writes back dirty window */
+    FATFS *fs,        /* File system object */
+    DWORD sector    /* Sector number to make appearance in the fs->win[] */
+)                    /* Move to zero only writes back dirty window */
 {
-	DWORD wsect;
-
-
-	wsect = fs->winsect;
-	if (wsect != sector) {	/* Changed current window */
+    DWORD wsect;
+
+
+    wsect = fs->winsect;
+    if (wsect != sector) {    /* Changed current window */
 #if !_FS_READONLY
-		if (fs->wflag) {	/* Write back dirty window if needed */
-			if (disk_write(fs->drv, fs->win, wsect, 1) != RES_OK)
-				return FR_DISK_ERR;
-			fs->wflag = 0;
-			if (wsect < (fs->fatbase + fs->fsize)) {	/* In FAT area */
-				BYTE nf;
-				for (nf = fs->n_fats; nf > 1; nf--) {	/* Reflect the change to all FAT copies */
-					wsect += fs->fsize;
-					disk_write(fs->drv, fs->win, wsect, 1);
-				}
-			}
-		}
+        if (fs->wflag) {    /* Write back dirty window if needed */
+            if (disk_write(fs->drv, fs->win, wsect, 1) != RES_OK)
+                return FR_DISK_ERR;
+            fs->wflag = 0;
+            if (wsect < (fs->fatbase + fs->fsize)) {    /* In FAT area */
+                BYTE nf;
+                for (nf = fs->n_fats; nf > 1; nf--) {    /* Reflect the change to all FAT copies */
+                    wsect += fs->fsize;
+                    disk_write(fs->drv, fs->win, wsect, 1);
+                }
+            }
+        }
 #endif
-		if (sector) {
-			if (disk_read(fs->drv, fs->win, sector, 1) != RES_OK)
-				return FR_DISK_ERR;
-			fs->winsect = sector;
-		}
-	}
-
-	return FR_OK;
+        if (sector) {
+            if (disk_read(fs->drv, fs->win, sector, 1) != RES_OK)
+                return FR_DISK_ERR;
+            fs->winsect = sector;
+        }
+    }
+
+    return FR_OK;
 }
 
 
@@ -758,35 +758,35 @@
 /*-----------------------------------------------------------------------*/
 #if !_FS_READONLY
 static
-FRESULT sync (	/* FR_OK: successful, FR_DISK_ERR: failed */
-	FATFS *fs	/* File system object */
+FRESULT sync (    /* FR_OK: successful, FR_DISK_ERR: failed */
+    FATFS *fs    /* File system object */
 )
 {
-	FRESULT res;
-
-
-	res = move_window(fs, 0);
-	if (res == FR_OK) {
-		/* Update FSInfo sector if needed */
-		if (fs->fs_type == FS_FAT32 && fs->fsi_flag) {
-			fs->winsect = 0;
-			/* Create FSInfo structure */
-			mem_set(fs->win, 0, 512);
-			ST_WORD(fs->win+BS_55AA, 0xAA55);
-			ST_DWORD(fs->win+FSI_LeadSig, 0x41615252);
-			ST_DWORD(fs->win+FSI_StrucSig, 0x61417272);
-			ST_DWORD(fs->win+FSI_Free_Count, fs->free_clust);
-			ST_DWORD(fs->win+FSI_Nxt_Free, fs->last_clust);
-			/* Write it into the FSInfo sector */
-			disk_write(fs->drv, fs->win, fs->fsi_sector, 1);
-			fs->fsi_flag = 0;
-		}
-		/* Make sure that no pending write process in the physical drive */
-		if (disk_ioctl(fs->drv, CTRL_SYNC, 0) != RES_OK)
-			res = FR_DISK_ERR;
-	}
-
-	return res;
+    FRESULT res;
+
+
+    res = move_window(fs, 0);
+    if (res == FR_OK) {
+        /* Update FSInfo sector if needed */
+        if (fs->fs_type == FS_FAT32 && fs->fsi_flag) {
+            fs->winsect = 0;
+            /* Create FSInfo structure */
+            mem_set(fs->win, 0, 512);
+            ST_WORD(fs->win+BS_55AA, 0xAA55);
+            ST_DWORD(fs->win+FSI_LeadSig, 0x41615252);
+            ST_DWORD(fs->win+FSI_StrucSig, 0x61417272);
+            ST_DWORD(fs->win+FSI_Free_Count, fs->free_clust);
+            ST_DWORD(fs->win+FSI_Nxt_Free, fs->last_clust);
+            /* Write it into the FSInfo sector */
+            disk_write(fs->drv, fs->win, fs->fsi_sector, 1);
+            fs->fsi_flag = 0;
+        }
+        /* Make sure that no pending write process in the physical drive */
+        if (disk_ioctl(fs->drv, CTRL_SYNC, 0) != RES_OK)
+            res = FR_DISK_ERR;
+    }
+
+    return res;
 }
 #endif
 
@@ -798,14 +798,14 @@
 /*-----------------------------------------------------------------------*/
 
 
-DWORD clust2sect (	/* !=0: Sector number, 0: Failed - invalid cluster# */
-	FATFS *fs,		/* File system object */
-	DWORD clst		/* Cluster# to be converted */
+DWORD clust2sect (    /* !=0: Sector number, 0: Failed - invalid cluster# */
+    FATFS *fs,        /* File system object */
+    DWORD clst        /* Cluster# to be converted */
 )
 {
-	clst -= 2;
-	if (clst >= (fs->n_fatent - 2)) return 0;		/* Invalid cluster# */
-	return clst * fs->csize + fs->database;
+    clst -= 2;
+    if (clst >= (fs->n_fatent - 2)) return 0;        /* Invalid cluster# */
+    return clst * fs->csize + fs->database;
 }
 
 
@@ -816,39 +816,39 @@
 /*-----------------------------------------------------------------------*/
 
 
-DWORD get_fat (	/* 0xFFFFFFFF:Disk error, 1:Internal error, Else:Cluster status */
-	FATFS *fs,	/* File system object */
-	DWORD clst	/* Cluster# to get the link information */
+DWORD get_fat (    /* 0xFFFFFFFF:Disk error, 1:Internal error, Else:Cluster status */
+    FATFS *fs,    /* File system object */
+    DWORD clst    /* Cluster# to get the link information */
 )
 {
-	UINT wc, bc;
-	BYTE *p;
-
-
-	if (clst < 2 || clst >= fs->n_fatent)	/* Chack range */
-		return 1;
-
-	switch (fs->fs_type) {
-	case FS_FAT12 :
-		bc = (UINT)clst; bc += bc / 2;
-		if (move_window(fs, fs->fatbase + (bc / SS(fs)))) break;
-		wc = fs->win[bc % SS(fs)]; bc++;
-		if (move_window(fs, fs->fatbase + (bc / SS(fs)))) break;
-		wc |= fs->win[bc % SS(fs)] << 8;
-		return (clst & 1) ? (wc >> 4) : (wc & 0xFFF);
-
-	case FS_FAT16 :
-		if (move_window(fs, fs->fatbase + (clst / (SS(fs) / 2)))) break;
-		p = &fs->win[clst * 2 % SS(fs)];
-		return LD_WORD(p);
-
-	case FS_FAT32 :
-		if (move_window(fs, fs->fatbase + (clst / (SS(fs) / 4)))) break;
-		p = &fs->win[clst * 4 % SS(fs)];
-		return LD_DWORD(p) & 0x0FFFFFFF;
-	}
-
-	return 0xFFFFFFFF;	/* An error occurred at the disk I/O layer */
+    UINT wc, bc;
+    BYTE *p;
+
+
+    if (clst < 2 || clst >= fs->n_fatent)    /* Chack range */
+        return 1;
+
+    switch (fs->fs_type) {
+    case FS_FAT12 :
+        bc = (UINT)clst; bc += bc / 2;
+        if (move_window(fs, fs->fatbase + (bc / SS(fs)))) break;
+        wc = fs->win[bc % SS(fs)]; bc++;
+        if (move_window(fs, fs->fatbase + (bc / SS(fs)))) break;
+        wc |= fs->win[bc % SS(fs)] << 8;
+        return (clst & 1) ? (wc >> 4) : (wc & 0xFFF);
+
+    case FS_FAT16 :
+        if (move_window(fs, fs->fatbase + (clst / (SS(fs) / 2)))) break;
+        p = &fs->win[clst * 2 % SS(fs)];
+        return LD_WORD(p);
+
+    case FS_FAT32 :
+        if (move_window(fs, fs->fatbase + (clst / (SS(fs) / 4)))) break;
+        p = &fs->win[clst * 4 % SS(fs)];
+        return LD_DWORD(p) & 0x0FFFFFFF;
+    }
+
+    return 0xFFFFFFFF;    /* An error occurred at the disk I/O layer */
 }
 
 
@@ -860,57 +860,57 @@
 #if !_FS_READONLY
 
 FRESULT put_fat (
-	FATFS *fs,	/* File system object */
-	DWORD clst,	/* Cluster# to be changed in range of 2 to fs->n_fatent - 1 */
-	DWORD val	/* New value to mark the cluster */
+    FATFS *fs,    /* File system object */
+    DWORD clst,    /* Cluster# to be changed in range of 2 to fs->n_fatent - 1 */
+    DWORD val    /* New value to mark the cluster */
 )
 {
-	UINT bc;
-	BYTE *p;
-	FRESULT res;
-
-
-	if (clst < 2 || clst >= fs->n_fatent) {	/* Check range */
-		res = FR_INT_ERR;
-
-	} else {
-		switch (fs->fs_type) {
-		case FS_FAT12 :
-			bc = clst; bc += bc / 2;
-			res = move_window(fs, fs->fatbase + (bc / SS(fs)));
-			if (res != FR_OK) break;
-			p = &fs->win[bc % SS(fs)];
-			*p = (clst & 1) ? ((*p & 0x0F) | ((BYTE)val << 4)) : (BYTE)val;
-			bc++;
-			fs->wflag = 1;
-			res = move_window(fs, fs->fatbase + (bc / SS(fs)));
-			if (res != FR_OK) break;
-			p = &fs->win[bc % SS(fs)];
-			*p = (clst & 1) ? (BYTE)(val >> 4) : ((*p & 0xF0) | ((BYTE)(val >> 8) & 0x0F));
-			break;
-
-		case FS_FAT16 :
-			res = move_window(fs, fs->fatbase + (clst / (SS(fs) / 2)));
-			if (res != FR_OK) break;
-			p = &fs->win[clst * 2 % SS(fs)];
-			ST_WORD(p, (WORD)val);
-			break;
-
-		case FS_FAT32 :
-			res = move_window(fs, fs->fatbase + (clst / (SS(fs) / 4)));
-			if (res != FR_OK) break;
-			p = &fs->win[clst * 4 % SS(fs)];
-			val |= LD_DWORD(p) & 0xF0000000;
-			ST_DWORD(p, val);
-			break;
-
-		default :
-			res = FR_INT_ERR;
-		}
-		fs->wflag = 1;
-	}
-
-	return res;
+    UINT bc;
+    BYTE *p;
+    FRESULT res;
+
+
+    if (clst < 2 || clst >= fs->n_fatent) {    /* Check range */
+        res = FR_INT_ERR;
+
+    } else {
+        switch (fs->fs_type) {
+        case FS_FAT12 :
+            bc = clst; bc += bc / 2;
+            res = move_window(fs, fs->fatbase + (bc / SS(fs)));
+            if (res != FR_OK) break;
+            p = &fs->win[bc % SS(fs)];
+            *p = (clst & 1) ? ((*p & 0x0F) | ((BYTE)val << 4)) : (BYTE)val;
+            bc++;
+            fs->wflag = 1;
+            res = move_window(fs, fs->fatbase + (bc / SS(fs)));
+            if (res != FR_OK) break;
+            p = &fs->win[bc % SS(fs)];
+            *p = (clst & 1) ? (BYTE)(val >> 4) : ((*p & 0xF0) | ((BYTE)(val >> 8) & 0x0F));
+            break;
+
+        case FS_FAT16 :
+            res = move_window(fs, fs->fatbase + (clst / (SS(fs) / 2)));
+            if (res != FR_OK) break;
+            p = &fs->win[clst * 2 % SS(fs)];
+            ST_WORD(p, (WORD)val);
+            break;
+
+        case FS_FAT32 :
+            res = move_window(fs, fs->fatbase + (clst / (SS(fs) / 4)));
+            if (res != FR_OK) break;
+            p = &fs->win[clst * 4 % SS(fs)];
+            val |= LD_DWORD(p) & 0xF0000000;
+            ST_DWORD(p, val);
+            break;
+
+        default :
+            res = FR_INT_ERR;
+        }
+        fs->wflag = 1;
+    }
+
+    return res;
 }
 #endif /* !_FS_READONLY */
 
@@ -923,47 +923,47 @@
 #if !_FS_READONLY
 static
 FRESULT remove_chain (
-	FATFS *fs,			/* File system object */
-	DWORD clst			/* Cluster# to remove a chain from */
+    FATFS *fs,            /* File system object */
+    DWORD clst            /* Cluster# to remove a chain from */
 )
 {
-	FRESULT res;
-	DWORD nxt;
+    FRESULT res;
+    DWORD nxt;
 #if _USE_ERASE
-	DWORD scl = clst, ecl = clst, resion[2];
+    DWORD scl = clst, ecl = clst, resion[2];
 #endif
 
-	if (clst < 2 || clst >= fs->n_fatent) {	/* Check range */
-		res = FR_INT_ERR;
-
-	} else {
-		res = FR_OK;
-		while (clst < fs->n_fatent) {			/* Not a last link? */
-			nxt = get_fat(fs, clst);			/* Get cluster status */
-			if (nxt == 0) break;				/* Empty cluster? */
-			if (nxt == 1) { res = FR_INT_ERR; break; }	/* Internal error? */
-			if (nxt == 0xFFFFFFFF) { res = FR_DISK_ERR; break; }	/* Disk error? */
-			res = put_fat(fs, clst, 0);			/* Mark the cluster "empty" */
-			if (res != FR_OK) break;
-			if (fs->free_clust != 0xFFFFFFFF) {	/* Update FSInfo */
-				fs->free_clust++;
-				fs->fsi_flag = 1;
-			}
+    if (clst < 2 || clst >= fs->n_fatent) {    /* Check range */
+        res = FR_INT_ERR;
+
+    } else {
+        res = FR_OK;
+        while (clst < fs->n_fatent) {            /* Not a last link? */
+            nxt = get_fat(fs, clst);            /* Get cluster status */
+            if (nxt == 0) break;                /* Empty cluster? */
+            if (nxt == 1) { res = FR_INT_ERR; break; }    /* Internal error? */
+            if (nxt == 0xFFFFFFFF) { res = FR_DISK_ERR; break; }    /* Disk error? */
+            res = put_fat(fs, clst, 0);            /* Mark the cluster "empty" */
+            if (res != FR_OK) break;
+            if (fs->free_clust != 0xFFFFFFFF) {    /* Update FSInfo */
+                fs->free_clust++;
+                fs->fsi_flag = 1;
+            }
 #if _USE_ERASE
-			if (ecl + 1 == nxt) {	/* Next cluster is contiguous */
-				ecl = nxt;
-			} else {				/* End of contiguous clusters */ 
-				resion[0] = clust2sect(fs, scl);					/* Start sector */
-				resion[1] = clust2sect(fs, ecl) + fs->csize - 1;	/* End sector */
-				disk_ioctl(fs->drv, CTRL_ERASE_SECTOR, resion);		/* Erase the block */
-				scl = ecl = nxt;
-			}
+            if (ecl + 1 == nxt) {    /* Next cluster is contiguous */
+                ecl = nxt;
+            } else {                /* End of contiguous clusters */ 
+                resion[0] = clust2sect(fs, scl);                    /* Start sector */
+                resion[1] = clust2sect(fs, ecl) + fs->csize - 1;    /* End sector */
+                disk_ioctl(fs->drv, CTRL_ERASE_SECTOR, resion);        /* Erase the block */
+                scl = ecl = nxt;
+            }
 #endif
-			clst = nxt;	/* Next cluster */
-		}
-	}
-
-	return res;
+            clst = nxt;    /* Next cluster */
+        }
+    }
+
+    return res;
 }
 #endif
 
@@ -975,55 +975,55 @@
 /*-----------------------------------------------------------------------*/
 #if !_FS_READONLY
 static
-DWORD create_chain (	/* 0:No free cluster, 1:Internal error, 0xFFFFFFFF:Disk error, >=2:New cluster# */
-	FATFS *fs,			/* File system object */
-	DWORD clst			/* Cluster# to stretch. 0 means create a new chain. */
+DWORD create_chain (    /* 0:No free cluster, 1:Internal error, 0xFFFFFFFF:Disk error, >=2:New cluster# */
+    FATFS *fs,            /* File system object */
+    DWORD clst            /* Cluster# to stretch. 0 means create a new chain. */
 )
 {
-	DWORD cs, ncl, scl;
-	FRESULT res;
-
-
-	if (clst == 0) {		/* Create a new chain */
-		scl = fs->last_clust;			/* Get suggested start point */
-		if (!scl || scl >= fs->n_fatent) scl = 1;
-	}
-	else {					/* Stretch the current chain */
-		cs = get_fat(fs, clst);			/* Check the cluster status */
-		if (cs < 2) return 1;			/* It is an invalid cluster */
-		if (cs < fs->n_fatent) return cs;	/* It is already followed by next cluster */
-		scl = clst;
-	}
-
-	ncl = scl;				/* Start cluster */
-	for (;;) {
-		ncl++;							/* Next cluster */
-		if (ncl >= fs->n_fatent) {		/* Wrap around */
-			ncl = 2;
-			if (ncl > scl) return 0;	/* No free cluster */
-		}
-		cs = get_fat(fs, ncl);			/* Get the cluster status */
-		if (cs == 0) break;				/* Found a free cluster */
-		if (cs == 0xFFFFFFFF || cs == 1)/* An error occurred */
-			return cs;
-		if (ncl == scl) return 0;		/* No free cluster */
-	}
-
-	res = put_fat(fs, ncl, 0x0FFFFFFF);	/* Mark the new cluster "last link" */
-	if (res == FR_OK && clst != 0) {
-		res = put_fat(fs, clst, ncl);	/* Link it to the previous one if needed */
-	}
-	if (res == FR_OK) {
-		fs->last_clust = ncl;			/* Update FSINFO */
-		if (fs->free_clust != 0xFFFFFFFF) {
-			fs->free_clust--;
-			fs->fsi_flag = 1;
-		}
-	} else {
-		ncl = (res == FR_DISK_ERR) ? 0xFFFFFFFF : 1;
-	}
-
-	return ncl;		/* Return new cluster number or error code */
+    DWORD cs, ncl, scl;
+    FRESULT res;
+
+
+    if (clst == 0) {        /* Create a new chain */
+        scl = fs->last_clust;            /* Get suggested start point */
+        if (!scl || scl >= fs->n_fatent) scl = 1;
+    }
+    else {                    /* Stretch the current chain */
+        cs = get_fat(fs, clst);            /* Check the cluster status */
+        if (cs < 2) return 1;            /* It is an invalid cluster */
+        if (cs < fs->n_fatent) return cs;    /* It is already followed by next cluster */
+        scl = clst;
+    }
+
+    ncl = scl;                /* Start cluster */
+    for (;;) {
+        ncl++;                            /* Next cluster */
+        if (ncl >= fs->n_fatent) {        /* Wrap around */
+            ncl = 2;
+            if (ncl > scl) return 0;    /* No free cluster */
+        }
+        cs = get_fat(fs, ncl);            /* Get the cluster status */
+        if (cs == 0) break;                /* Found a free cluster */
+        if (cs == 0xFFFFFFFF || cs == 1)/* An error occurred */
+            return cs;
+        if (ncl == scl) return 0;        /* No free cluster */
+    }
+
+    res = put_fat(fs, ncl, 0x0FFFFFFF);    /* Mark the new cluster "last link" */
+    if (res == FR_OK && clst != 0) {
+        res = put_fat(fs, clst, ncl);    /* Link it to the previous one if needed */
+    }
+    if (res == FR_OK) {
+        fs->last_clust = ncl;            /* Update FSINFO */
+        if (fs->free_clust != 0xFFFFFFFF) {
+            fs->free_clust--;
+            fs->fsi_flag = 1;
+        }
+    } else {
+        ncl = (res == FR_DISK_ERR) ? 0xFFFFFFFF : 1;
+    }
+
+    return ncl;        /* Return new cluster number or error code */
 }
 #endif /* !_FS_READONLY */
 
@@ -1035,25 +1035,25 @@
 
 #if _USE_FASTSEEK
 static
-DWORD clmt_clust (	/* <2:Error, >=2:Cluster number */
-	FIL* fp,		/* Pointer to the file object */
-	DWORD ofs		/* File offset to be converted to cluster# */
+DWORD clmt_clust (    /* <2:Error, >=2:Cluster number */
+    FIL* fp,        /* Pointer to the file object */
+    DWORD ofs        /* File offset to be converted to cluster# */
 )
 {
-	DWORD cl, ncl, *tbl;
-
-
-	tbl = fp->cltbl + 1;	/* Top of CLMT */
-	cl = ofs / SS(fp->fs) / fp->fs->csize;	/* Cluster order from top of the file */
-	for (;;) {
-		ncl = *tbl++;			/* Number of cluters in the fragment */
-		if (!ncl) return 0;		/* End of table? (error) */
-		if (cl < ncl) break;	/* In this fragment? */
-		cl -= ncl; tbl++;		/* Next fragment */
-	}
-	return cl + *tbl;	/* Return the cluster number */
+    DWORD cl, ncl, *tbl;
+
+
+    tbl = fp->cltbl + 1;    /* Top of CLMT */
+    cl = ofs / SS(fp->fs) / fp->fs->csize;    /* Cluster order from top of the file */
+    for (;;) {
+        ncl = *tbl++;            /* Number of cluters in the fragment */
+        if (!ncl) return 0;        /* End of table? (error) */
+        if (cl < ncl) break;    /* In this fragment? */
+        cl -= ncl; tbl++;        /* Next fragment */
+    }
+    return cl + *tbl;    /* Return the cluster number */
 }
-#endif	/* _USE_FASTSEEK */
+#endif    /* _USE_FASTSEEK */
 
 
 
@@ -1063,43 +1063,43 @@
 
 static
 FRESULT dir_sdi (
-	FATFS_DIR *dj,		/* Pointer to directory object */
-	WORD idx		/* Directory index number */
+    FATFS_DIR *dj,        /* Pointer to directory object */
+    WORD idx        /* Directory index number */
 )
 {
-	DWORD clst;
-	WORD ic;
-
-
-	dj->index = idx;
-	clst = dj->sclust;
-	if (clst == 1 || clst >= dj->fs->n_fatent)	/* Check start cluster range */
-		return FR_INT_ERR;
-	if (!clst && dj->fs->fs_type == FS_FAT32)	/* Replace cluster# 0 with root cluster# if in FAT32 */
-		clst = dj->fs->dirbase;
-
-	if (clst == 0) {	/* Static table (root-dir in FAT12/16) */
-		dj->clust = clst;
-		if (idx >= dj->fs->n_rootdir)		/* Index is out of range */
-			return FR_INT_ERR;
-		dj->sect = dj->fs->dirbase + idx / (SS(dj->fs) / SZ_DIR);	/* Sector# */
-	}
-	else {				/* Dynamic table (sub-dirs or root-dir in FAT32) */
-		ic = SS(dj->fs) / SZ_DIR * dj->fs->csize;	/* Entries per cluster */
-		while (idx >= ic) {	/* Follow cluster chain */
-			clst = get_fat(dj->fs, clst);				/* Get next cluster */
-			if (clst == 0xFFFFFFFF) return FR_DISK_ERR;	/* Disk error */
-			if (clst < 2 || clst >= dj->fs->n_fatent)	/* Reached to end of table or int error */
-				return FR_INT_ERR;
-			idx -= ic;
-		}
-		dj->clust = clst;
-		dj->sect = clust2sect(dj->fs, clst) + idx / (SS(dj->fs) / SZ_DIR);	/* Sector# */
-	}
-
-	dj->dir = dj->fs->win + (idx % (SS(dj->fs) / SZ_DIR)) * SZ_DIR;	/* Ptr to the entry in the sector */
-
-	return FR_OK;	/* Seek succeeded */
+    DWORD clst;
+    WORD ic;
+
+
+    dj->index = idx;
+    clst = dj->sclust;
+    if (clst == 1 || clst >= dj->fs->n_fatent)    /* Check start cluster range */
+        return FR_INT_ERR;
+    if (!clst && dj->fs->fs_type == FS_FAT32)    /* Replace cluster# 0 with root cluster# if in FAT32 */
+        clst = dj->fs->dirbase;
+
+    if (clst == 0) {    /* Static table (root-dir in FAT12/16) */
+        dj->clust = clst;
+        if (idx >= dj->fs->n_rootdir)        /* Index is out of range */
+            return FR_INT_ERR;
+        dj->sect = dj->fs->dirbase + idx / (SS(dj->fs) / SZ_DIR);    /* Sector# */
+    }
+    else {                /* Dynamic table (sub-dirs or root-dir in FAT32) */
+        ic = SS(dj->fs) / SZ_DIR * dj->fs->csize;    /* Entries per cluster */
+        while (idx >= ic) {    /* Follow cluster chain */
+            clst = get_fat(dj->fs, clst);                /* Get next cluster */
+            if (clst == 0xFFFFFFFF) return FR_DISK_ERR;    /* Disk error */
+            if (clst < 2 || clst >= dj->fs->n_fatent)    /* Reached to end of table or int error */
+                return FR_INT_ERR;
+            idx -= ic;
+        }
+        dj->clust = clst;
+        dj->sect = clust2sect(dj->fs, clst) + idx / (SS(dj->fs) / SZ_DIR);    /* Sector# */
+    }
+
+    dj->dir = dj->fs->win + (idx % (SS(dj->fs) / SZ_DIR)) * SZ_DIR;    /* Ptr to the entry in the sector */
+
+    return FR_OK;    /* Seek succeeded */
 }
 
 
@@ -1110,64 +1110,64 @@
 /*-----------------------------------------------------------------------*/
 
 static
-FRESULT dir_next (	/* FR_OK:Succeeded, FR_NO_FILE:End of table, FR_DENIED:EOT and could not stretch */
-	FATFS_DIR *dj,		/* Pointer to directory object */
-	int stretch		/* 0: Do not stretch table, 1: Stretch table if needed */
+FRESULT dir_next (    /* FR_OK:Succeeded, FR_NO_FILE:End of table, FR_DENIED:EOT and could not stretch */
+    FATFS_DIR *dj,        /* Pointer to directory object */
+    int stretch        /* 0: Do not stretch table, 1: Stretch table if needed */
 )
 {
-	DWORD clst;
-	WORD i;
-
-
-	stretch = stretch;		/* To suppress warning on read-only cfg. */
-	i = dj->index + 1;
-	if (!i || !dj->sect)	/* Report EOT when index has reached 65535 */
-		return FR_NO_FILE;
-
-	if (!(i % (SS(dj->fs) / SZ_DIR))) {	/* Sector changed? */
-		dj->sect++;					/* Next sector */
-
-		if (dj->clust == 0) {	/* Static table */
-			if (i >= dj->fs->n_rootdir)	/* Report EOT when end of table */
-				return FR_NO_FILE;
-		}
-		else {					/* Dynamic table */
-			if (((i / (SS(dj->fs) / SZ_DIR)) & (dj->fs->csize - 1)) == 0) {	/* Cluster changed? */
-				clst = get_fat(dj->fs, dj->clust);				/* Get next cluster */
-				if (clst <= 1) return FR_INT_ERR;
-				if (clst == 0xFFFFFFFF) return FR_DISK_ERR;
-				if (clst >= dj->fs->n_fatent) {					/* When it reached end of dynamic table */
+    DWORD clst;
+    WORD i;
+
+
+    stretch = stretch;        /* To suppress warning on read-only cfg. */
+    i = dj->index + 1;
+    if (!i || !dj->sect)    /* Report EOT when index has reached 65535 */
+        return FR_NO_FILE;
+
+    if (!(i % (SS(dj->fs) / SZ_DIR))) {    /* Sector changed? */
+        dj->sect++;                    /* Next sector */
+
+        if (dj->clust == 0) {    /* Static table */
+            if (i >= dj->fs->n_rootdir)    /* Report EOT when end of table */
+                return FR_NO_FILE;
+        }
+        else {                    /* Dynamic table */
+            if (((i / (SS(dj->fs) / SZ_DIR)) & (dj->fs->csize - 1)) == 0) {    /* Cluster changed? */
+                clst = get_fat(dj->fs, dj->clust);                /* Get next cluster */
+                if (clst <= 1) return FR_INT_ERR;
+                if (clst == 0xFFFFFFFF) return FR_DISK_ERR;
+                if (clst >= dj->fs->n_fatent) {                    /* When it reached end of dynamic table */
 #if !_FS_READONLY
-					BYTE c;
-					if (!stretch) return FR_NO_FILE;			/* When do not stretch, report EOT */
-					clst = create_chain(dj->fs, dj->clust);		/* Stretch cluster chain */
-					if (clst == 0) return FR_DENIED;			/* No free cluster */
-					if (clst == 1) return FR_INT_ERR;
-					if (clst == 0xFFFFFFFF) return FR_DISK_ERR;
-					/* Clean-up stretched table */
-					if (move_window(dj->fs, 0)) return FR_DISK_ERR;	/* Flush active window */
-					mem_set(dj->fs->win, 0, SS(dj->fs));			/* Clear window buffer */
-					dj->fs->winsect = clust2sect(dj->fs, clst);	/* Cluster start sector */
-					for (c = 0; c < dj->fs->csize; c++) {		/* Fill the new cluster with 0 */
-						dj->fs->wflag = 1;
-						if (move_window(dj->fs, 0)) return FR_DISK_ERR;
-						dj->fs->winsect++;
-					}
-					dj->fs->winsect -= c;						/* Rewind window address */
+                    BYTE c;
+                    if (!stretch) return FR_NO_FILE;            /* When do not stretch, report EOT */
+                    clst = create_chain(dj->fs, dj->clust);        /* Stretch cluster chain */
+                    if (clst == 0) return FR_DENIED;            /* No free cluster */
+                    if (clst == 1) return FR_INT_ERR;
+                    if (clst == 0xFFFFFFFF) return FR_DISK_ERR;
+                    /* Clean-up stretched table */
+                    if (move_window(dj->fs, 0)) return FR_DISK_ERR;    /* Flush active window */
+                    mem_set(dj->fs->win, 0, SS(dj->fs));            /* Clear window buffer */
+                    dj->fs->winsect = clust2sect(dj->fs, clst);    /* Cluster start sector */
+                    for (c = 0; c < dj->fs->csize; c++) {        /* Fill the new cluster with 0 */
+                        dj->fs->wflag = 1;
+                        if (move_window(dj->fs, 0)) return FR_DISK_ERR;
+                        dj->fs->winsect++;
+                    }
+                    dj->fs->winsect -= c;                        /* Rewind window address */
 #else
-					return FR_NO_FILE;			/* Report EOT */
+                    return FR_NO_FILE;            /* Report EOT */
 #endif
-				}
-				dj->clust = clst;				/* Initialize data for new cluster */
-				dj->sect = clust2sect(dj->fs, clst);
-			}
-		}
-	}
-
-	dj->index = i;
-	dj->dir = dj->fs->win + (i % (SS(dj->fs) / SZ_DIR)) * SZ_DIR;
-
-	return FR_OK;
+                }
+                dj->clust = clst;                /* Initialize data for new cluster */
+                dj->sect = clust2sect(dj->fs, clst);
+            }
+        }
+    }
+
+    dj->index = i;
+    dj->dir = dj->fs->win + (i % (SS(dj->fs) / SZ_DIR)) * SZ_DIR;
+
+    return FR_OK;
 }
 
 
@@ -1178,99 +1178,99 @@
 /*-----------------------------------------------------------------------*/
 #if _USE_LFN
 static
-const BYTE LfnOfs[] = {1,3,5,7,9,14,16,18,20,22,24,28,30};	/* Offset of LFN chars in the directory entry */
+const BYTE LfnOfs[] = {1,3,5,7,9,14,16,18,20,22,24,28,30};    /* Offset of LFN chars in the directory entry */
 
 
 static
-int cmp_lfn (			/* 1:Matched, 0:Not matched */
-	WCHAR *lfnbuf,		/* Pointer to the LFN to be compared */
-	BYTE *dir			/* Pointer to the directory entry containing a part of LFN */
+int cmp_lfn (            /* 1:Matched, 0:Not matched */
+    WCHAR *lfnbuf,        /* Pointer to the LFN to be compared */
+    BYTE *dir            /* Pointer to the directory entry containing a part of LFN */
 )
 {
-	UINT i, s;
-	WCHAR wc, uc;
-
-
-	i = ((dir[LDIR_Ord] & ~LLE) - 1) * 13;	/* Get offset in the LFN buffer */
-	s = 0; wc = 1;
-	do {
-		uc = LD_WORD(dir+LfnOfs[s]);	/* Pick an LFN character from the entry */
-		if (wc) {	/* Last char has not been processed */
-			wc = ff_wtoupper(uc);		/* Convert it to upper case */
-			if (i >= _MAX_LFN || wc != ff_wtoupper(lfnbuf[i++]))	/* Compare it */
-				return 0;				/* Not matched */
-		} else {
-			if (uc != 0xFFFF) return 0;	/* Check filler */
-		}
-	} while (++s < 13);				/* Repeat until all chars in the entry are checked */
-
-	if ((dir[LDIR_Ord] & LLE) && wc && lfnbuf[i])	/* Last segment matched but different length */
-		return 0;
-
-	return 1;						/* The part of LFN matched */
+    UINT i, s;
+    WCHAR wc, uc;
+
+
+    i = ((dir[LDIR_Ord] & ~LLE) - 1) * 13;    /* Get offset in the LFN buffer */
+    s = 0; wc = 1;
+    do {
+        uc = LD_WORD(dir+LfnOfs[s]);    /* Pick an LFN character from the entry */
+        if (wc) {    /* Last char has not been processed */
+            wc = ff_wtoupper(uc);        /* Convert it to upper case */
+            if (i >= _MAX_LFN || wc != ff_wtoupper(lfnbuf[i++]))    /* Compare it */
+                return 0;                /* Not matched */
+        } else {
+            if (uc != 0xFFFF) return 0;    /* Check filler */
+        }
+    } while (++s < 13);                /* Repeat until all chars in the entry are checked */
+
+    if ((dir[LDIR_Ord] & LLE) && wc && lfnbuf[i])    /* Last segment matched but different length */
+        return 0;
+
+    return 1;                        /* The part of LFN matched */
 }
 
 
 
 static
-int pick_lfn (			/* 1:Succeeded, 0:Buffer overflow */
-	WCHAR *lfnbuf,		/* Pointer to the Unicode-LFN buffer */
-	BYTE *dir			/* Pointer to the directory entry */
+int pick_lfn (            /* 1:Succeeded, 0:Buffer overflow */
+    WCHAR *lfnbuf,        /* Pointer to the Unicode-LFN buffer */
+    BYTE *dir            /* Pointer to the directory entry */
 )
 {
-	UINT i, s;
-	WCHAR wc, uc;
-
-
-	i = ((dir[LDIR_Ord] & 0x3F) - 1) * 13;	/* Offset in the LFN buffer */
-
-	s = 0; wc = 1;
-	do {
-		uc = LD_WORD(dir+LfnOfs[s]);		/* Pick an LFN character from the entry */
-		if (wc) {	/* Last char has not been processed */
-			if (i >= _MAX_LFN) return 0;	/* Buffer overflow? */
-			lfnbuf[i++] = wc = uc;			/* Store it */
-		} else {
-			if (uc != 0xFFFF) return 0;		/* Check filler */
-		}
-	} while (++s < 13);						/* Read all character in the entry */
-
-	if (dir[LDIR_Ord] & LLE) {				/* Put terminator if it is the last LFN part */
-		if (i >= _MAX_LFN) return 0;		/* Buffer overflow? */
-		lfnbuf[i] = 0;
-	}
-
-	return 1;
+    UINT i, s;
+    WCHAR wc, uc;
+
+
+    i = ((dir[LDIR_Ord] & 0x3F) - 1) * 13;    /* Offset in the LFN buffer */
+
+    s = 0; wc = 1;
+    do {
+        uc = LD_WORD(dir+LfnOfs[s]);        /* Pick an LFN character from the entry */
+        if (wc) {    /* Last char has not been processed */
+            if (i >= _MAX_LFN) return 0;    /* Buffer overflow? */
+            lfnbuf[i++] = wc = uc;            /* Store it */
+        } else {
+            if (uc != 0xFFFF) return 0;        /* Check filler */
+        }
+    } while (++s < 13);                        /* Read all character in the entry */
+
+    if (dir[LDIR_Ord] & LLE) {                /* Put terminator if it is the last LFN part */
+        if (i >= _MAX_LFN) return 0;        /* Buffer overflow? */
+        lfnbuf[i] = 0;
+    }
+
+    return 1;
 }
 
 
 #if !_FS_READONLY
 static
 void fit_lfn (
-	const WCHAR *lfnbuf,	/* Pointer to the LFN buffer */
-	BYTE *dir,				/* Pointer to the directory entry */
-	BYTE ord,				/* LFN order (1-20) */
-	BYTE sum				/* SFN sum */
+    const WCHAR *lfnbuf,    /* Pointer to the LFN buffer */
+    BYTE *dir,                /* Pointer to the directory entry */
+    BYTE ord,                /* LFN order (1-20) */
+    BYTE sum                /* SFN sum */
 )
 {
-	UINT i, s;
-	WCHAR wc;
-
-
-	dir[LDIR_Chksum] = sum;			/* Set check sum */
-	dir[LDIR_Attr] = AM_LFN;		/* Set attribute. LFN entry */
-	dir[LDIR_Type] = 0;
-	ST_WORD(dir+LDIR_FstClusLO, 0);
-
-	i = (ord - 1) * 13;				/* Get offset in the LFN buffer */
-	s = wc = 0;
-	do {
-		if (wc != 0xFFFF) wc = lfnbuf[i++];	/* Get an effective char */
-		ST_WORD(dir+LfnOfs[s], wc);	/* Put it */
-		if (!wc) wc = 0xFFFF;		/* Padding chars following last char */
-	} while (++s < 13);
-	if (wc == 0xFFFF || !lfnbuf[i]) ord |= LLE;	/* Bottom LFN part is the start of LFN sequence */
-	dir[LDIR_Ord] = ord;			/* Set the LFN order */
+    UINT i, s;
+    WCHAR wc;
+
+
+    dir[LDIR_Chksum] = sum;            /* Set check sum */
+    dir[LDIR_Attr] = AM_LFN;        /* Set attribute. LFN entry */
+    dir[LDIR_Type] = 0;
+    ST_WORD(dir+LDIR_FstClusLO, 0);
+
+    i = (ord - 1) * 13;                /* Get offset in the LFN buffer */
+    s = wc = 0;
+    do {
+        if (wc != 0xFFFF) wc = lfnbuf[i++];    /* Get an effective char */
+        ST_WORD(dir+LfnOfs[s], wc);    /* Put it */
+        if (!wc) wc = 0xFFFF;        /* Padding chars following last char */
+    } while (++s < 13);
+    if (wc == 0xFFFF || !lfnbuf[i]) ord |= LLE;    /* Bottom LFN part is the start of LFN sequence */
+    dir[LDIR_Ord] = ord;            /* Set the LFN order */
 }
 
 #endif
@@ -1283,42 +1283,42 @@
 /*-----------------------------------------------------------------------*/
 #if _USE_LFN
 void gen_numname (
-	BYTE *dst,			/* Pointer to generated SFN */
-	const BYTE *src,	/* Pointer to source SFN to be modified */
-	const WCHAR *lfn,	/* Pointer to LFN */
-	WORD seq			/* Sequence number */
+    BYTE *dst,            /* Pointer to generated SFN */
+    const BYTE *src,    /* Pointer to source SFN to be modified */
+    const WCHAR *lfn,    /* Pointer to LFN */
+    WORD seq            /* Sequence number */
 )
 {
-	BYTE ns[8], c;
-	UINT i, j;
-
-
-	mem_cpy(dst, src, 11);
-
-	if (seq > 5) {	/* On many collisions, generate a hash number instead of sequential number */
-		do seq = (seq >> 1) + (seq << 15) + (WORD)*lfn++; while (*lfn);
-	}
-
-	/* itoa (hexdecimal) */
-	i = 7;
-	do {
-		c = (seq % 16) + '0';
-		if (c > '9') c += 7;
-		ns[i--] = c;
-		seq /= 16;
-	} while (seq);
-	ns[i] = '~';
-
-	/* Append the number */
-	for (j = 0; j < i && dst[j] != ' '; j++) {
-		if (IsDBCS1(dst[j])) {
-			if (j == i - 1) break;
-			j++;
-		}
-	}
-	do {
-		dst[j++] = (i < 8) ? ns[i++] : ' ';
-	} while (j < 8);
+    BYTE ns[8], c;
+    UINT i, j;
+
+
+    mem_cpy(dst, src, 11);
+
+    if (seq > 5) {    /* On many collisions, generate a hash number instead of sequential number */
+        do seq = (seq >> 1) + (seq << 15) + (WORD)*lfn++; while (*lfn);
+    }
+
+    /* itoa (hexdecimal) */
+    i = 7;
+    do {
+        c = (seq % 16) + '0';
+        if (c > '9') c += 7;
+        ns[i--] = c;
+        seq /= 16;
+    } while (seq);
+    ns[i] = '~';
+
+    /* Append the number */
+    for (j = 0; j < i && dst[j] != ' '; j++) {
+        if (IsDBCS1(dst[j])) {
+            if (j == i - 1) break;
+            j++;
+        }
+    }
+    do {
+        dst[j++] = (i < 8) ? ns[i++] : ' ';
+    } while (j < 8);
 }
 #endif
 
@@ -1331,14 +1331,14 @@
 #if _USE_LFN
 static
 BYTE sum_sfn (
-	const BYTE *dir		/* Ptr to directory entry */
+    const BYTE *dir        /* Ptr to directory entry */
 )
 {
-	BYTE sum = 0;
-	UINT n = 11;
-
-	do sum = (sum >> 1) + (sum << 7) + *dir++; while (--n);
-	return sum;
+    BYTE sum = 0;
+    UINT n = 11;
+
+    do sum = (sum >> 1) + (sum << 7) + *dir++; while (--n);
+    return sum;
 }
 #endif
 
@@ -1351,56 +1351,56 @@
 
 static
 FRESULT dir_find (
-	FATFS_DIR *dj			/* Pointer to the directory object linked to the file name */
+    FATFS_DIR *dj            /* Pointer to the directory object linked to the file name */
 )
 {
-	FRESULT res;
-	BYTE c, *dir;
+    FRESULT res;
+    BYTE c, *dir;
 #if _USE_LFN
-	BYTE a, ord, sum;
+    BYTE a, ord, sum;
 #endif
 
-	res = dir_sdi(dj, 0);			/* Rewind directory object */
-	if (res != FR_OK) return res;
+    res = dir_sdi(dj, 0);            /* Rewind directory object */
+    if (res != FR_OK) return res;
 
 #if _USE_LFN
-	ord = sum = 0xFF;
+    ord = sum = 0xFF;
 #endif
-	do {
-		res = move_window(dj->fs, dj->sect);
-		if (res != FR_OK) break;
-		dir = dj->dir;					/* Ptr to the directory entry of current index */
-		c = dir[DIR_Name];
-		if (c == 0) { res = FR_NO_FILE; break; }	/* Reached to end of table */
-#if _USE_LFN	/* LFN configuration */
-		a = dir[DIR_Attr] & AM_MASK;
-		if (c == DDE || ((a & AM_VOL) && a != AM_LFN)) {	/* An entry without valid data */
-			ord = 0xFF;
-		} else {
-			if (a == AM_LFN) {			/* An LFN entry is found */
-				if (dj->lfn) {
-					if (c & LLE) {		/* Is it start of LFN sequence? */
-						sum = dir[LDIR_Chksum];
-						c &= ~LLE; ord = c;	/* LFN start order */
-						dj->lfn_idx = dj->index;
-					}
-					/* Check validity of the LFN entry and compare it with given name */
-					ord = (c == ord && sum == dir[LDIR_Chksum] && cmp_lfn(dj->lfn, dir)) ? ord - 1 : 0xFF;
-				}
-			} else {					/* An SFN entry is found */
-				if (!ord && sum == sum_sfn(dir)) break;	/* LFN matched? */
-				ord = 0xFF; dj->lfn_idx = 0xFFFF;	/* Reset LFN sequence */
-				if (!(dj->fn[NS] & NS_LOSS) && !mem_cmp(dir, dj->fn, 11)) break;	/* SFN matched? */
-			}
-		}
-#else		/* Non LFN configuration */
-		if (!(dir[DIR_Attr] & AM_VOL) && !mem_cmp(dir, dj->fn, 11)) /* Is it a valid entry? */
-			break;
+    do {
+        res = move_window(dj->fs, dj->sect);
+        if (res != FR_OK) break;
+        dir = dj->dir;                    /* Ptr to the directory entry of current index */
+        c = dir[DIR_Name];
+        if (c == 0) { res = FR_NO_FILE; break; }    /* Reached to end of table */
+#if _USE_LFN    /* LFN configuration */
+        a = dir[DIR_Attr] & AM_MASK;
+        if (c == DDE || ((a & AM_VOL) && a != AM_LFN)) {    /* An entry without valid data */
+            ord = 0xFF;
+        } else {
+            if (a == AM_LFN) {            /* An LFN entry is found */
+                if (dj->lfn) {
+                    if (c & LLE) {        /* Is it start of LFN sequence? */
+                        sum = dir[LDIR_Chksum];
+                        c &= ~LLE; ord = c;    /* LFN start order */
+                        dj->lfn_idx = dj->index;
+                    }
+                    /* Check validity of the LFN entry and compare it with given name */
+                    ord = (c == ord && sum == dir[LDIR_Chksum] && cmp_lfn(dj->lfn, dir)) ? ord - 1 : 0xFF;
+                }
+            } else {                    /* An SFN entry is found */
+                if (!ord && sum == sum_sfn(dir)) break;    /* LFN matched? */
+                ord = 0xFF; dj->lfn_idx = 0xFFFF;    /* Reset LFN sequence */
+                if (!(dj->fn[NS] & NS_LOSS) && !mem_cmp(dir, dj->fn, 11)) break;    /* SFN matched? */
+            }
+        }
+#else        /* Non LFN configuration */
+        if (!(dir[DIR_Attr] & AM_VOL) && !mem_cmp(dir, dj->fn, 11)) /* Is it a valid entry? */
+            break;
 #endif
-		res = dir_next(dj, 0);		/* Next entry */
-	} while (res == FR_OK);
-
-	return res;
+        res = dir_next(dj, 0);        /* Next entry */
+    } while (res == FR_OK);
+
+    return res;
 }
 
 
@@ -1412,52 +1412,52 @@
 #if _FS_MINIMIZE <= 1
 static
 FRESULT dir_read (
-	FATFS_DIR *dj			/* Pointer to the directory object that pointing the entry to be read */
+    FATFS_DIR *dj            /* Pointer to the directory object that pointing the entry to be read */
 )
 {
-	FRESULT res;
-	BYTE c, *dir;
+    FRESULT res;
+    BYTE c, *dir;
 #if _USE_LFN
-	BYTE a, ord = 0xFF, sum = 0xFF;
+    BYTE a, ord = 0xFF, sum = 0xFF;
 #endif
 
-	res = FR_NO_FILE;
-	while (dj->sect) {
-		res = move_window(dj->fs, dj->sect);
-		if (res != FR_OK) break;
-		dir = dj->dir;					/* Ptr to the directory entry of current index */
-		c = dir[DIR_Name];
-		if (c == 0) { res = FR_NO_FILE; break; }	/* Reached to end of table */
-#if _USE_LFN	/* LFN configuration */
-		a = dir[DIR_Attr] & AM_MASK;
-		if (c == DDE || (!_FS_RPATH && c == '.') || ((a & AM_VOL) && a != AM_LFN)) {	/* An entry without valid data */
-			ord = 0xFF;
-		} else {
-			if (a == AM_LFN) {			/* An LFN entry is found */
-				if (c & LLE) {			/* Is it start of LFN sequence? */
-					sum = dir[LDIR_Chksum];
-					c &= ~LLE; ord = c;
-					dj->lfn_idx = dj->index;
-				}
-				/* Check LFN validity and capture it */
-				ord = (c == ord && sum == dir[LDIR_Chksum] && pick_lfn(dj->lfn, dir)) ? ord - 1 : 0xFF;
-			} else {					/* An SFN entry is found */
-				if (ord || sum != sum_sfn(dir))	/* Is there a valid LFN? */
-					dj->lfn_idx = 0xFFFF;		/* It has no LFN. */
-				break;
-			}
-		}
-#else		/* Non LFN configuration */
-		if (c != DDE && (_FS_RPATH || c != '.') && !(dir[DIR_Attr] & AM_VOL))	/* Is it a valid entry? */
-			break;
+    res = FR_NO_FILE;
+    while (dj->sect) {
+        res = move_window(dj->fs, dj->sect);
+        if (res != FR_OK) break;
+        dir = dj->dir;                    /* Ptr to the directory entry of current index */
+        c = dir[DIR_Name];
+        if (c == 0) { res = FR_NO_FILE; break; }    /* Reached to end of table */
+#if _USE_LFN    /* LFN configuration */
+        a = dir[DIR_Attr] & AM_MASK;
+        if (c == DDE || (!_FS_RPATH && c == '.') || ((a & AM_VOL) && a != AM_LFN)) {    /* An entry without valid data */
+            ord = 0xFF;
+        } else {
+            if (a == AM_LFN) {            /* An LFN entry is found */
+                if (c & LLE) {            /* Is it start of LFN sequence? */
+                    sum = dir[LDIR_Chksum];
+                    c &= ~LLE; ord = c;
+                    dj->lfn_idx = dj->index;
+                }
+                /* Check LFN validity and capture it */
+                ord = (c == ord && sum == dir[LDIR_Chksum] && pick_lfn(dj->lfn, dir)) ? ord - 1 : 0xFF;
+            } else {                    /* An SFN entry is found */
+                if (ord || sum != sum_sfn(dir))    /* Is there a valid LFN? */
+                    dj->lfn_idx = 0xFFFF;        /* It has no LFN. */
+                break;
+            }
+        }
+#else        /* Non LFN configuration */
+        if (c != DDE && (_FS_RPATH || c != '.') && !(dir[DIR_Attr] & AM_VOL))    /* Is it a valid entry? */
+            break;
 #endif
-		res = dir_next(dj, 0);				/* Next entry */
-		if (res != FR_OK) break;
-	}
-
-	if (res != FR_OK) dj->sect = 0;
-
-	return res;
+        res = dir_next(dj, 0);                /* Next entry */
+        if (res != FR_OK) break;
+    }
+
+    if (res != FR_OK) dj->sect = 0;
+
+    return res;
 }
 #endif
 
@@ -1468,102 +1468,102 @@
 /*-----------------------------------------------------------------------*/
 #if !_FS_READONLY
 static
-FRESULT dir_register (	/* FR_OK:Successful, FR_DENIED:No free entry or too many SFN collision, FR_DISK_ERR:Disk error */
-	FATFS_DIR *dj				/* Target directory with object name to be created */
+FRESULT dir_register (    /* FR_OK:Successful, FR_DENIED:No free entry or too many SFN collision, FR_DISK_ERR:Disk error */
+    FATFS_DIR *dj                /* Target directory with object name to be created */
 )
 {
-	FRESULT res;
-	BYTE c, *dir;
-#if _USE_LFN	/* LFN configuration */
-	WORD n, ne, is;
-	BYTE sn[12], *fn, sum;
-	WCHAR *lfn;
-
-
-	fn = dj->fn; lfn = dj->lfn;
-	mem_cpy(sn, fn, 12);
-
-	if (_FS_RPATH && (sn[NS] & NS_DOT))		/* Cannot create dot entry */
-		return FR_INVALID_NAME;
-
-	if (sn[NS] & NS_LOSS) {			/* When LFN is out of 8.3 format, generate a numbered name */
-		fn[NS] = 0; dj->lfn = 0;			/* Find only SFN */
-		for (n = 1; n < 100; n++) {
-			gen_numname(fn, sn, lfn, n);	/* Generate a numbered name */
-			res = dir_find(dj);				/* Check if the name collides with existing SFN */
-			if (res != FR_OK) break;
-		}
-		if (n == 100) return FR_DENIED;		/* Abort if too many collisions */
-		if (res != FR_NO_FILE) return res;	/* Abort if the result is other than 'not collided' */
-		fn[NS] = sn[NS]; dj->lfn = lfn;
-	}
-
-	if (sn[NS] & NS_LFN) {			/* When LFN is to be created, reserve an SFN + LFN entries. */
-		for (ne = 0; lfn[ne]; ne++) ;
-		ne = (ne + 25) / 13;
-	} else {						/* Otherwise reserve only an SFN entry. */
-		ne = 1;
-	}
-
-	/* Reserve contiguous entries */
-	res = dir_sdi(dj, 0);
-	if (res != FR_OK) return res;
-	n = is = 0;
-	do {
-		res = move_window(dj->fs, dj->sect);
-		if (res != FR_OK) break;
-		c = *dj->dir;				/* Check the entry status */
-		if (c == DDE || c == 0) {	/* Is it a blank entry? */
-			if (n == 0) is = dj->index;	/* First index of the contiguous entry */
-			if (++n == ne) break;	/* A contiguous entry that required count is found */
-		} else {
-			n = 0;					/* Not a blank entry. Restart to search */
-		}
-		res = dir_next(dj, 1);		/* Next entry with table stretch */
-	} while (res == FR_OK);
-
-	if (res == FR_OK && ne > 1) {	/* Initialize LFN entry if needed */
-		res = dir_sdi(dj, is);
-		if (res == FR_OK) {
-			sum = sum_sfn(dj->fn);	/* Sum of the SFN tied to the LFN */
-			ne--;
-			do {					/* Store LFN entries in bottom first */
-				res = move_window(dj->fs, dj->sect);
-				if (res != FR_OK) break;
-				fit_lfn(dj->lfn, dj->dir, (BYTE)ne, sum);
-				dj->fs->wflag = 1;
-				res = dir_next(dj, 0);	/* Next entry */
-			} while (res == FR_OK && --ne);
-		}
-	}
-
-#else	/* Non LFN configuration */
-	res = dir_sdi(dj, 0);
-	if (res == FR_OK) {
-		do {	/* Find a blank entry for the SFN */
-			res = move_window(dj->fs, dj->sect);
-			if (res != FR_OK) break;
-			c = *dj->dir;
-			if (c == DDE || c == 0) break;	/* Is it a blank entry? */
-			res = dir_next(dj, 1);			/* Next entry with table stretch */
-		} while (res == FR_OK);
-	}
+    FRESULT res;
+    BYTE c, *dir;
+#if _USE_LFN    /* LFN configuration */
+    WORD n, ne, is;
+    BYTE sn[12], *fn, sum;
+    WCHAR *lfn;
+
+
+    fn = dj->fn; lfn = dj->lfn;
+    mem_cpy(sn, fn, 12);
+
+    if (_FS_RPATH && (sn[NS] & NS_DOT))        /* Cannot create dot entry */
+        return FR_INVALID_NAME;
+
+    if (sn[NS] & NS_LOSS) {            /* When LFN is out of 8.3 format, generate a numbered name */
+        fn[NS] = 0; dj->lfn = 0;            /* Find only SFN */
+        for (n = 1; n < 100; n++) {
+            gen_numname(fn, sn, lfn, n);    /* Generate a numbered name */
+            res = dir_find(dj);                /* Check if the name collides with existing SFN */
+            if (res != FR_OK) break;
+        }
+        if (n == 100) return FR_DENIED;        /* Abort if too many collisions */
+        if (res != FR_NO_FILE) return res;    /* Abort if the result is other than 'not collided' */
+        fn[NS] = sn[NS]; dj->lfn = lfn;
+    }
+
+    if (sn[NS] & NS_LFN) {            /* When LFN is to be created, reserve an SFN + LFN entries. */
+        for (ne = 0; lfn[ne]; ne++) ;
+        ne = (ne + 25) / 13;
+    } else {                        /* Otherwise reserve only an SFN entry. */
+        ne = 1;
+    }
+
+    /* Reserve contiguous entries */
+    res = dir_sdi(dj, 0);
+    if (res != FR_OK) return res;
+    n = is = 0;
+    do {
+        res = move_window(dj->fs, dj->sect);
+        if (res != FR_OK) break;
+        c = *dj->dir;                /* Check the entry status */
+        if (c == DDE || c == 0) {    /* Is it a blank entry? */
+            if (n == 0) is = dj->index;    /* First index of the contiguous entry */
+            if (++n == ne) break;    /* A contiguous entry that required count is found */
+        } else {
+            n = 0;                    /* Not a blank entry. Restart to search */
+        }
+        res = dir_next(dj, 1);        /* Next entry with table stretch */
+    } while (res == FR_OK);
+
+    if (res == FR_OK && ne > 1) {    /* Initialize LFN entry if needed */
+        res = dir_sdi(dj, is);
+        if (res == FR_OK) {
+            sum = sum_sfn(dj->fn);    /* Sum of the SFN tied to the LFN */
+            ne--;
+            do {                    /* Store LFN entries in bottom first */
+                res = move_window(dj->fs, dj->sect);
+                if (res != FR_OK) break;
+                fit_lfn(dj->lfn, dj->dir, (BYTE)ne, sum);
+                dj->fs->wflag = 1;
+                res = dir_next(dj, 0);    /* Next entry */
+            } while (res == FR_OK && --ne);
+        }
+    }
+
+#else    /* Non LFN configuration */
+    res = dir_sdi(dj, 0);
+    if (res == FR_OK) {
+        do {    /* Find a blank entry for the SFN */
+            res = move_window(dj->fs, dj->sect);
+            if (res != FR_OK) break;
+            c = *dj->dir;
+            if (c == DDE || c == 0) break;    /* Is it a blank entry? */
+            res = dir_next(dj, 1);            /* Next entry with table stretch */
+        } while (res == FR_OK);
+    }
 #endif
 
-	if (res == FR_OK) {		/* Initialize the SFN entry */
-		res = move_window(dj->fs, dj->sect);
-		if (res == FR_OK) {
-			dir = dj->dir;
-			mem_set(dir, 0, SZ_DIR);	/* Clean the entry */
-			mem_cpy(dir, dj->fn, 11);	/* Put SFN */
+    if (res == FR_OK) {        /* Initialize the SFN entry */
+        res = move_window(dj->fs, dj->sect);
+        if (res == FR_OK) {
+            dir = dj->dir;
+            mem_set(dir, 0, SZ_DIR);    /* Clean the entry */
+            mem_cpy(dir, dj->fn, 11);    /* Put SFN */
 #if _USE_LFN
-			dir[DIR_NTres] = *(dj->fn+NS) & (NS_BODY | NS_EXT);	/* Put NT flag */
+            dir[DIR_NTres] = *(dj->fn+NS) & (NS_BODY | NS_EXT);    /* Put NT flag */
 #endif
-			dj->fs->wflag = 1;
-		}
-	}
-
-	return res;
+            dj->fs->wflag = 1;
+        }
+    }
+
+    return res;
 }
 #endif /* !_FS_READONLY */
 
@@ -1575,40 +1575,40 @@
 /*-----------------------------------------------------------------------*/
 #if !_FS_READONLY && !_FS_MINIMIZE
 static
-FRESULT dir_remove (	/* FR_OK: Successful, FR_DISK_ERR: A disk error */
-	FATFS_DIR *dj				/* Directory object pointing the entry to be removed */
+FRESULT dir_remove (    /* FR_OK: Successful, FR_DISK_ERR: A disk error */
+    FATFS_DIR *dj                /* Directory object pointing the entry to be removed */
 )
 {
-	FRESULT res;
-#if _USE_LFN	/* LFN configuration */
-	WORD i;
-
-	i = dj->index;	/* SFN index */
-	res = dir_sdi(dj, (WORD)((dj->lfn_idx == 0xFFFF) ? i : dj->lfn_idx));	/* Goto the SFN or top of the LFN entries */
-	if (res == FR_OK) {
-		do {
-			res = move_window(dj->fs, dj->sect);
-			if (res != FR_OK) break;
-			*dj->dir = DDE;			/* Mark the entry "deleted" */
-			dj->fs->wflag = 1;
-			if (dj->index >= i) break;	/* When reached SFN, all entries of the object has been deleted. */
-			res = dir_next(dj, 0);		/* Next entry */
-		} while (res == FR_OK);
-		if (res == FR_NO_FILE) res = FR_INT_ERR;
-	}
-
-#else			/* Non LFN configuration */
-	res = dir_sdi(dj, dj->index);
-	if (res == FR_OK) {
-		res = move_window(dj->fs, dj->sect);
-		if (res == FR_OK) {
-			*dj->dir = DDE;			/* Mark the entry "deleted" */
-			dj->fs->wflag = 1;
-		}
-	}
+    FRESULT res;
+#if _USE_LFN    /* LFN configuration */
+    WORD i;
+
+    i = dj->index;    /* SFN index */
+    res = dir_sdi(dj, (WORD)((dj->lfn_idx == 0xFFFF) ? i : dj->lfn_idx));    /* Goto the SFN or top of the LFN entries */
+    if (res == FR_OK) {
+        do {
+            res = move_window(dj->fs, dj->sect);
+            if (res != FR_OK) break;
+            *dj->dir = DDE;            /* Mark the entry "deleted" */
+            dj->fs->wflag = 1;
+            if (dj->index >= i) break;    /* When reached SFN, all entries of the object has been deleted. */
+            res = dir_next(dj, 0);        /* Next entry */
+        } while (res == FR_OK);
+        if (res == FR_NO_FILE) res = FR_INT_ERR;
+    }
+
+#else            /* Non LFN configuration */
+    res = dir_sdi(dj, dj->index);
+    if (res == FR_OK) {
+        res = move_window(dj->fs, dj->sect);
+        if (res == FR_OK) {
+            *dj->dir = DDE;            /* Mark the entry "deleted" */
+            dj->fs->wflag = 1;
+        }
+    }
 #endif
 
-	return res;
+    return res;
 }
 #endif /* !_FS_READONLY */
 
@@ -1621,208 +1621,208 @@
 
 static
 FRESULT create_name (
-	FATFS_DIR *dj,			/* Pointer to the directory object */
-	const TCHAR **path	/* Pointer to pointer to the segment in the path string */
+    FATFS_DIR *dj,            /* Pointer to the directory object */
+    const TCHAR **path    /* Pointer to pointer to the segment in the path string */
 )
 {
 #ifdef _EXCVT
-	static const BYTE excvt[] = _EXCVT;	/* Upper conversion table for extended chars */
+    static const BYTE excvt[] = _EXCVT;    /* Upper conversion table for extended chars */
 #endif
 
-#if _USE_LFN	/* LFN configuration */
-	BYTE b, cf;
-	WCHAR w, *lfn;
-	UINT i, ni, si, di;
-	const TCHAR *p;
-
-	/* Create LFN in Unicode */
-	for (p = *path; *p == '/' || *p == '\\'; p++) ;	/* Strip duplicated separator */
-	lfn = dj->lfn;
-	si = di = 0;
-	for (;;) {
-		w = p[si++];					/* Get a character */
-		if (w < ' ' || w == '/' || w == '\\') break;	/* Break on end of segment */
-		if (di >= _MAX_LFN)				/* Reject too long name */
-			return FR_INVALID_NAME;
+#if _USE_LFN    /* LFN configuration */
+    BYTE b, cf;
+    WCHAR w, *lfn;
+    UINT i, ni, si, di;
+    const TCHAR *p;
+
+    /* Create LFN in Unicode */
+    for (p = *path; *p == '/' || *p == '\\'; p++) ;    /* Strip duplicated separator */
+    lfn = dj->lfn;
+    si = di = 0;
+    for (;;) {
+        w = p[si++];                    /* Get a character */
+        if (w < ' ' || w == '/' || w == '\\') break;    /* Break on end of segment */
+        if (di >= _MAX_LFN)                /* Reject too long name */
+            return FR_INVALID_NAME;
 #if !_LFN_UNICODE
-		w &= 0xFF;
-		if (IsDBCS1(w)) {				/* Check if it is a DBC 1st byte (always false on SBCS cfg) */
-			b = (BYTE)p[si++];			/* Get 2nd byte */
-			if (!IsDBCS2(b))
-				return FR_INVALID_NAME;	/* Reject invalid sequence */
-			w = (w << 8) + b;			/* Create a DBC */
-		}
-		w = ff_convert(w, 1);			/* Convert ANSI/OEM to Unicode */
-		if (!w) return FR_INVALID_NAME;	/* Reject invalid code */
+        w &= 0xFF;
+        if (IsDBCS1(w)) {                /* Check if it is a DBC 1st byte (always false on SBCS cfg) */
+            b = (BYTE)p[si++];            /* Get 2nd byte */
+            if (!IsDBCS2(b))
+                return FR_INVALID_NAME;    /* Reject invalid sequence */
+            w = (w << 8) + b;            /* Create a DBC */
+        }
+        w = ff_convert(w, 1);            /* Convert ANSI/OEM to Unicode */
+        if (!w) return FR_INVALID_NAME;    /* Reject invalid code */
 #endif
-		if (w < 0x80 && chk_chr("\"*:<>\?|\x7F", w)) /* Reject illegal chars for LFN */
-			return FR_INVALID_NAME;
-		lfn[di++] = w;					/* Store the Unicode char */
-	}
-	*path = &p[si];						/* Return pointer to the next segment */
-	cf = (w < ' ') ? NS_LAST : 0;		/* Set last segment flag if end of path */
+        if (w < 0x80 && chk_chr("\"*:<>\?|\x7F", w)) /* Reject illegal chars for LFN */
+            return FR_INVALID_NAME;
+        lfn[di++] = w;                    /* Store the Unicode char */
+    }
+    *path = &p[si];                        /* Return pointer to the next segment */
+    cf = (w < ' ') ? NS_LAST : 0;        /* Set last segment flag if end of path */
 #if _FS_RPATH
-	if ((di == 1 && lfn[di-1] == '.') || /* Is this a dot entry? */
-		(di == 2 && lfn[di-1] == '.' && lfn[di-2] == '.')) {
-		lfn[di] = 0;
-		for (i = 0; i < 11; i++)
-			dj->fn[i] = (i < di) ? '.' : ' ';
-		dj->fn[i] = cf | NS_DOT;		/* This is a dot entry */
-		return FR_OK;
-	}
+    if ((di == 1 && lfn[di-1] == '.') || /* Is this a dot entry? */
+        (di == 2 && lfn[di-1] == '.' && lfn[di-2] == '.')) {
+        lfn[di] = 0;
+        for (i = 0; i < 11; i++)
+            dj->fn[i] = (i < di) ? '.' : ' ';
+        dj->fn[i] = cf | NS_DOT;        /* This is a dot entry */
+        return FR_OK;
+    }
 #endif
-	while (di) {						/* Strip trailing spaces and dots */
-		w = lfn[di-1];
-		if (w != ' ' && w != '.') break;
-		di--;
-	}
-	if (!di) return FR_INVALID_NAME;	/* Reject nul string */
-
-	lfn[di] = 0;						/* LFN is created */
-
-	/* Create SFN in directory form */
-	mem_set(dj->fn, ' ', 11);
-	for (si = 0; lfn[si] == ' ' || lfn[si] == '.'; si++) ;	/* Strip leading spaces and dots */
-	if (si) cf |= NS_LOSS | NS_LFN;
-	while (di && lfn[di - 1] != '.') di--;	/* Find extension (di<=si: no extension) */
-
-	b = i = 0; ni = 8;
-	for (;;) {
-		w = lfn[si++];					/* Get an LFN char */
-		if (!w) break;					/* Break on end of the LFN */
-		if (w == ' ' || (w == '.' && si != di)) {	/* Remove spaces and dots */
-			cf |= NS_LOSS | NS_LFN; continue;
-		}
-
-		if (i >= ni || si == di) {		/* Extension or end of SFN */
-			if (ni == 11) {				/* Long extension */
-				cf |= NS_LOSS | NS_LFN; break;
-			}
-			if (si != di) cf |= NS_LOSS | NS_LFN;	/* Out of 8.3 format */
-			if (si > di) break;			/* No extension */
-			si = di; i = 8; ni = 11;	/* Enter extension section */
-			b <<= 2; continue;
-		}
-
-		if (w >= 0x80) {				/* Non ASCII char */
+    while (di) {                        /* Strip trailing spaces and dots */
+        w = lfn[di-1];
+        if (w != ' ' && w != '.') break;
+        di--;
+    }
+    if (!di) return FR_INVALID_NAME;    /* Reject nul string */
+
+    lfn[di] = 0;                        /* LFN is created */
+
+    /* Create SFN in directory form */
+    mem_set(dj->fn, ' ', 11);
+    for (si = 0; lfn[si] == ' ' || lfn[si] == '.'; si++) ;    /* Strip leading spaces and dots */
+    if (si) cf |= NS_LOSS | NS_LFN;
+    while (di && lfn[di - 1] != '.') di--;    /* Find extension (di<=si: no extension) */
+
+    b = i = 0; ni = 8;
+    for (;;) {
+        w = lfn[si++];                    /* Get an LFN char */
+        if (!w) break;                    /* Break on end of the LFN */
+        if (w == ' ' || (w == '.' && si != di)) {    /* Remove spaces and dots */
+            cf |= NS_LOSS | NS_LFN; continue;
+        }
+
+        if (i >= ni || si == di) {        /* Extension or end of SFN */
+            if (ni == 11) {                /* Long extension */
+                cf |= NS_LOSS | NS_LFN; break;
+            }
+            if (si != di) cf |= NS_LOSS | NS_LFN;    /* Out of 8.3 format */
+            if (si > di) break;            /* No extension */
+            si = di; i = 8; ni = 11;    /* Enter extension section */
+            b <<= 2; continue;
+        }
+
+        if (w >= 0x80) {                /* Non ASCII char */
 #ifdef _EXCVT
-			w = ff_convert(w, 0);		/* Unicode -> OEM code */
-			if (w) w = excvt[w - 0x80];	/* Convert extended char to upper (SBCS) */
+            w = ff_convert(w, 0);        /* Unicode -> OEM code */
+            if (w) w = excvt[w - 0x80];    /* Convert extended char to upper (SBCS) */
 #else
-			w = ff_convert(ff_wtoupper(w), 0);	/* Upper converted Unicode -> OEM code */
+            w = ff_convert(ff_wtoupper(w), 0);    /* Upper converted Unicode -> OEM code */
 #endif
-			cf |= NS_LFN;				/* Force create LFN entry */
-		}
-
-		if (_DF1S && w >= 0x100) {		/* Double byte char (always false on SBCS cfg) */
-			if (i >= ni - 1) {
-				cf |= NS_LOSS | NS_LFN; i = ni; continue;
-			}
-			dj->fn[i++] = (BYTE)(w >> 8);
-		} else {						/* Single byte char */
-			if (!w || chk_chr("+,;=[]", w)) {	/* Replace illegal chars for SFN */
-				w = '_'; cf |= NS_LOSS | NS_LFN;/* Lossy conversion */
-			} else {
-				if (IsUpper(w)) {		/* ASCII large capital */
-					b |= 2;
-				} else {
-					if (IsLower(w)) {	/* ASCII small capital */
-						b |= 1; w -= 0x20;
-					}
-				}
-			}
-		}
-		dj->fn[i++] = (BYTE)w;
-	}
-
-	if (dj->fn[0] == DDE) dj->fn[0] = NDDE;	/* If the first char collides with deleted mark, replace it with 0x05 */
-
-	if (ni == 8) b <<= 2;
-	if ((b & 0x0C) == 0x0C || (b & 0x03) == 0x03)	/* Create LFN entry when there are composite capitals */
-		cf |= NS_LFN;
-	if (!(cf & NS_LFN)) {						/* When LFN is in 8.3 format without extended char, NT flags are created */
-		if ((b & 0x03) == 0x01) cf |= NS_EXT;	/* NT flag (Extension has only small capital) */
-		if ((b & 0x0C) == 0x04) cf |= NS_BODY;	/* NT flag (Filename has only small capital) */
-	}
-
-	dj->fn[NS] = cf;	/* SFN is created */
-
-	return FR_OK;
-
-
-#else	/* Non-LFN configuration */
-	BYTE b, c, d, *sfn;
-	UINT ni, si, i;
-	const char *p;
-
-	/* Create file name in directory form */
-	for (p = *path; *p == '/' || *p == '\\'; p++) ;	/* Strip duplicated separator */
-	sfn = dj->fn;
-	mem_set(sfn, ' ', 11);
-	si = i = b = 0; ni = 8;
+            cf |= NS_LFN;                /* Force create LFN entry */
+        }
+
+        if (_DF1S && w >= 0x100) {        /* Double byte char (always false on SBCS cfg) */
+            if (i >= ni - 1) {
+                cf |= NS_LOSS | NS_LFN; i = ni; continue;
+            }
+            dj->fn[i++] = (BYTE)(w >> 8);
+        } else {                        /* Single byte char */
+            if (!w || chk_chr("+,;=[]", w)) {    /* Replace illegal chars for SFN */
+                w = '_'; cf |= NS_LOSS | NS_LFN;/* Lossy conversion */
+            } else {
+                if (IsUpper(w)) {        /* ASCII large capital */
+                    b |= 2;
+                } else {
+                    if (IsLower(w)) {    /* ASCII small capital */
+                        b |= 1; w -= 0x20;
+                    }
+                }
+            }
+        }
+        dj->fn[i++] = (BYTE)w;
+    }
+
+    if (dj->fn[0] == DDE) dj->fn[0] = NDDE;    /* If the first char collides with deleted mark, replace it with 0x05 */
+
+    if (ni == 8) b <<= 2;
+    if ((b & 0x0C) == 0x0C || (b & 0x03) == 0x03)    /* Create LFN entry when there are composite capitals */
+        cf |= NS_LFN;
+    if (!(cf & NS_LFN)) {                        /* When LFN is in 8.3 format without extended char, NT flags are created */
+        if ((b & 0x03) == 0x01) cf |= NS_EXT;    /* NT flag (Extension has only small capital) */
+        if ((b & 0x0C) == 0x04) cf |= NS_BODY;    /* NT flag (Filename has only small capital) */
+    }
+
+    dj->fn[NS] = cf;    /* SFN is created */
+
+    return FR_OK;
+
+
+#else    /* Non-LFN configuration */
+    BYTE b, c, d, *sfn;
+    UINT ni, si, i;
+    const char *p;
+
+    /* Create file name in directory form */
+    for (p = *path; *p == '/' || *p == '\\'; p++) ;    /* Strip duplicated separator */
+    sfn = dj->fn;
+    mem_set(sfn, ' ', 11);
+    si = i = b = 0; ni = 8;
 #if _FS_RPATH
-	if (p[si] == '.') { /* Is this a dot entry? */
-		for (;;) {
-			c = (BYTE)p[si++];
-			if (c != '.' || si >= 3) break;
-			sfn[i++] = c;
-		}
-		if (c != '/' && c != '\\' && c > ' ') return FR_INVALID_NAME;
-		*path = &p[si];									/* Return pointer to the next segment */
-		sfn[NS] = (c <= ' ') ? NS_LAST | NS_DOT : NS_DOT;	/* Set last segment flag if end of path */
-		return FR_OK;
-	}
+    if (p[si] == '.') { /* Is this a dot entry? */
+        for (;;) {
+            c = (BYTE)p[si++];
+            if (c != '.' || si >= 3) break;
+            sfn[i++] = c;
+        }
+        if (c != '/' && c != '\\' && c > ' ') return FR_INVALID_NAME;
+        *path = &p[si];                                    /* Return pointer to the next segment */
+        sfn[NS] = (c <= ' ') ? NS_LAST | NS_DOT : NS_DOT;    /* Set last segment flag if end of path */
+        return FR_OK;
+    }
 #endif
-	for (;;) {
-		c = (BYTE)p[si++];
-		if (c <= ' ' || c == '/' || c == '\\') break;	/* Break on end of segment */
-		if (c == '.' || i >= ni) {
-			if (ni != 8 || c != '.') return FR_INVALID_NAME;
-			i = 8; ni = 11;
-			b <<= 2; continue;
-		}
-		if (c >= 0x80) {				/* Extended char? */
-			b |= 3;						/* Eliminate NT flag */
+    for (;;) {
+        c = (BYTE)p[si++];
+        if (c <= ' ' || c == '/' || c == '\\') break;    /* Break on end of segment */
+        if (c == '.' || i >= ni) {
+            if (ni != 8 || c != '.') return FR_INVALID_NAME;
+            i = 8; ni = 11;
+            b <<= 2; continue;
+        }
+        if (c >= 0x80) {                /* Extended char? */
+            b |= 3;                        /* Eliminate NT flag */
 #ifdef _EXCVT
-			c = excvt[c-0x80];			/* Upper conversion (SBCS) */
+            c = excvt[c-0x80];            /* Upper conversion (SBCS) */
 #else
-#if !_DF1S	/* ASCII only cfg */
-			return FR_INVALID_NAME;
+#if !_DF1S    /* ASCII only cfg */
+            return FR_INVALID_NAME;
 #endif
 #endif
-		}
-		if (IsDBCS1(c)) {				/* Check if it is a DBC 1st byte (always false on SBCS cfg) */
-			d = (BYTE)p[si++];			/* Get 2nd byte */
-			if (!IsDBCS2(d) || i >= ni - 1)	/* Reject invalid DBC */
-				return FR_INVALID_NAME;
-			sfn[i++] = c;
-			sfn[i++] = d;
-		} else {						/* Single byte code */
-			if (chk_chr("\"*+,:;<=>\?[]|\x7F", c))	/* Reject illegal chrs for SFN */
-				return FR_INVALID_NAME;
-			if (IsUpper(c)) {			/* ASCII large capital? */
-				b |= 2;
-			} else {
-				if (IsLower(c)) {		/* ASCII small capital? */
-					b |= 1; c -= 0x20;
-				}
-			}
-			sfn[i++] = c;
-		}
-	}
-	*path = &p[si];						/* Return pointer to the next segment */
-	c = (c <= ' ') ? NS_LAST : 0;		/* Set last segment flag if end of path */
-
-	if (!i) return FR_INVALID_NAME;		/* Reject nul string */
-	if (sfn[0] == DDE) sfn[0] = NDDE;	/* When first char collides with DDE, replace it with 0x05 */
-
-	if (ni == 8) b <<= 2;
-	if ((b & 0x03) == 0x01) c |= NS_EXT;	/* NT flag (Name extension has only small capital) */
-	if ((b & 0x0C) == 0x04) c |= NS_BODY;	/* NT flag (Name body has only small capital) */
-
-	sfn[NS] = c;		/* Store NT flag, File name is created */
-
-	return FR_OK;
+        }
+        if (IsDBCS1(c)) {                /* Check if it is a DBC 1st byte (always false on SBCS cfg) */
+            d = (BYTE)p[si++];            /* Get 2nd byte */
+            if (!IsDBCS2(d) || i >= ni - 1)    /* Reject invalid DBC */
+                return FR_INVALID_NAME;
+            sfn[i++] = c;
+            sfn[i++] = d;
+        } else {                        /* Single byte code */
+            if (chk_chr("\"*+,:;<=>\?[]|\x7F", c))    /* Reject illegal chrs for SFN */
+                return FR_INVALID_NAME;
+            if (IsUpper(c)) {            /* ASCII large capital? */
+                b |= 2;
+            } else {
+                if (IsLower(c)) {        /* ASCII small capital? */
+                    b |= 1; c -= 0x20;
+                }
+            }
+            sfn[i++] = c;
+        }
+    }
+    *path = &p[si];                        /* Return pointer to the next segment */
+    c = (c <= ' ') ? NS_LAST : 0;        /* Set last segment flag if end of path */
+
+    if (!i) return FR_INVALID_NAME;        /* Reject nul string */
+    if (sfn[0] == DDE) sfn[0] = NDDE;    /* When first char collides with DDE, replace it with 0x05 */
+
+    if (ni == 8) b <<= 2;
+    if ((b & 0x03) == 0x01) c |= NS_EXT;    /* NT flag (Name extension has only small capital) */
+    if ((b & 0x0C) == 0x04) c |= NS_BODY;    /* NT flag (Name body has only small capital) */
+
+    sfn[NS] = c;        /* Store NT flag, File name is created */
+
+    return FR_OK;
 #endif
 }
 
@@ -1834,76 +1834,76 @@
 /*-----------------------------------------------------------------------*/
 #if _FS_MINIMIZE <= 1
 static
-void get_fileinfo (		/* No return code */
-	FATFS_DIR *dj,			/* Pointer to the directory object */
-	FILINFO *fno	 	/* Pointer to the file information to be filled */
+void get_fileinfo (        /* No return code */
+    FATFS_DIR *dj,            /* Pointer to the directory object */
+    FILINFO *fno         /* Pointer to the file information to be filled */
 )
 {
-	UINT i;
-	BYTE nt, *dir;
-	TCHAR *p, c;
-
-
-	p = fno->fname;
-	if (dj->sect) {
-		dir = dj->dir;
-		nt = dir[DIR_NTres];		/* NT flag */
-		for (i = 0; i < 8; i++) {	/* Copy name body */
-			c = dir[i];
-			if (c == ' ') break;
-			if (c == NDDE) c = (TCHAR)DDE;
-			if (_USE_LFN && (nt & NS_BODY) && IsUpper(c)) c += 0x20;
+    UINT i;
+    BYTE nt, *dir;
+    TCHAR *p, c;
+
+
+    p = fno->fname;
+    if (dj->sect) {
+        dir = dj->dir;
+        nt = dir[DIR_NTres];        /* NT flag */
+        for (i = 0; i < 8; i++) {    /* Copy name body */
+            c = dir[i];
+            if (c == ' ') break;
+            if (c == NDDE) c = (TCHAR)DDE;
+            if (_USE_LFN && (nt & NS_BODY) && IsUpper(c)) c += 0x20;
 #if _LFN_UNICODE
-			if (IsDBCS1(c) && i < 7 && IsDBCS2(dir[i+1]))
-				c = (c << 8) | dir[++i];
-			c = ff_convert(c, 1);
-			if (!c) c = '?';
+            if (IsDBCS1(c) && i < 7 && IsDBCS2(dir[i+1]))
+                c = (c << 8) | dir[++i];
+            c = ff_convert(c, 1);
+            if (!c) c = '?';
 #endif
-			*p++ = c;
-		}
-		if (dir[8] != ' ') {		/* Copy name extension */
-			*p++ = '.';
-			for (i = 8; i < 11; i++) {
-				c = dir[i];
-				if (c == ' ') break;
-				if (_USE_LFN && (nt & NS_EXT) && IsUpper(c)) c += 0x20;
+            *p++ = c;
+        }
+        if (dir[8] != ' ') {        /* Copy name extension */
+            *p++ = '.';
+            for (i = 8; i < 11; i++) {
+                c = dir[i];
+                if (c == ' ') break;
+                if (_USE_LFN && (nt & NS_EXT) && IsUpper(c)) c += 0x20;
 #if _LFN_UNICODE
-				if (IsDBCS1(c) && i < 10 && IsDBCS2(dir[i+1]))
-					c = (c << 8) | dir[++i];
-				c = ff_convert(c, 1);
-				if (!c) c = '?';
+                if (IsDBCS1(c) && i < 10 && IsDBCS2(dir[i+1]))
+                    c = (c << 8) | dir[++i];
+                c = ff_convert(c, 1);
+                if (!c) c = '?';
 #endif
-				*p++ = c;
-			}
-		}
-		fno->fattrib = dir[DIR_Attr];				/* Attribute */
-		fno->fsize = LD_DWORD(dir+DIR_FileSize);	/* Size */
-		fno->fdate = LD_WORD(dir+DIR_WrtDate);		/* Date */
-		fno->ftime = LD_WORD(dir+DIR_WrtTime);		/* Time */
-	}
-	*p = 0;		/* Terminate SFN str by a \0 */
+                *p++ = c;
+            }
+        }
+        fno->fattrib = dir[DIR_Attr];                /* Attribute */
+        fno->fsize = LD_DWORD(dir+DIR_FileSize);    /* Size */
+        fno->fdate = LD_WORD(dir+DIR_WrtDate);        /* Date */
+        fno->ftime = LD_WORD(dir+DIR_WrtTime);        /* Time */
+    }
+    *p = 0;        /* Terminate SFN str by a \0 */
 
 #if _USE_LFN
-	if (fno->lfname && fno->lfsize) {
-		TCHAR *tp = fno->lfname;
-		WCHAR w, *lfn;
-
-		i = 0;
-		if (dj->sect && dj->lfn_idx != 0xFFFF) {/* Get LFN if available */
-			lfn = dj->lfn;
-			while ((w = *lfn++) != 0) {			/* Get an LFN char */
+    if (fno->lfname && fno->lfsize) {
+        TCHAR *tp = fno->lfname;
+        WCHAR w, *lfn;
+
+        i = 0;
+        if (dj->sect && dj->lfn_idx != 0xFFFF) {/* Get LFN if available */
+            lfn = dj->lfn;
+            while ((w = *lfn++) != 0) {            /* Get an LFN char */
 #if !_LFN_UNICODE
-				w = ff_convert(w, 0);			/* Unicode -> OEM conversion */
-				if (!w) { i = 0; break; }		/* Could not convert, no LFN */
-				if (_DF1S && w >= 0x100)		/* Put 1st byte if it is a DBC (always false on SBCS cfg) */
-					tp[i++] = (TCHAR)(w >> 8);
+                w = ff_convert(w, 0);            /* Unicode -> OEM conversion */
+                if (!w) { i = 0; break; }        /* Could not convert, no LFN */
+                if (_DF1S && w >= 0x100)        /* Put 1st byte if it is a DBC (always false on SBCS cfg) */
+                    tp[i++] = (TCHAR)(w >> 8);
 #endif
-				if (i >= fno->lfsize - 1) { i = 0; break; }	/* Buffer overflow, no LFN */
-				tp[i++] = (TCHAR)w;
-			}
-		}
-		tp[i] = 0;	/* Terminate the LFN str by a \0 */
-	}
+                if (i >= fno->lfsize - 1) { i = 0; break; }    /* Buffer overflow, no LFN */
+                tp[i++] = (TCHAR)w;
+            }
+        }
+        tp[i] = 0;    /* Terminate the LFN str by a \0 */
+    }
 #endif
 }
 #endif /* _FS_MINIMIZE <= 1 */
@@ -1916,59 +1916,59 @@
 /*-----------------------------------------------------------------------*/
 
 static
-FRESULT follow_path (	/* FR_OK(0): successful, !=0: error code */
-	FATFS_DIR *dj,			/* Directory object to return last directory and found object */
-	const TCHAR *path	/* Full-path string to find a file or directory */
+FRESULT follow_path (    /* FR_OK(0): successful, !=0: error code */
+    FATFS_DIR *dj,            /* Directory object to return last directory and found object */
+    const TCHAR *path    /* Full-path string to find a file or directory */
 )
 {
-	FRESULT res;
-	BYTE *dir, ns;
+    FRESULT res;
+    BYTE *dir, ns;
 
 
 #if _FS_RPATH
-	if (*path == '/' || *path == '\\') { /* There is a heading separator */
-		path++;	dj->sclust = 0;		/* Strip it and start from the root dir */
-	} else {							/* No heading separator */
-		dj->sclust = dj->fs->cdir;	/* Start from the current dir */
-	}
+    if (*path == '/' || *path == '\\') { /* There is a heading separator */
+        path++;    dj->sclust = 0;        /* Strip it and start from the root dir */
+    } else {                            /* No heading separator */
+        dj->sclust = dj->fs->cdir;    /* Start from the current dir */
+    }
 #else
-	if (*path == '/' || *path == '\\')	/* Strip heading separator if exist */
-		path++;
-	dj->sclust = 0;						/* Start from the root dir */
+    if (*path == '/' || *path == '\\')    /* Strip heading separator if exist */
+        path++;
+    dj->sclust = 0;                        /* Start from the root dir */
 #endif
 
-	if ((UINT)*path < ' ') {			/* Nul path means the start directory itself */
-		res = dir_sdi(dj, 0);
-		dj->dir = 0;
-
-	} else {							/* Follow path */
-		for (;;) {
-			res = create_name(dj, &path);	/* Get a segment */
-			if (res != FR_OK) break;
-			res = dir_find(dj);				/* Find it */
-			ns = *(dj->fn+NS);
-			if (res != FR_OK) {				/* Failed to find the object */
-				if (res != FR_NO_FILE) break;	/* Abort if any hard error occured */
-				/* Object not found */
-				if (_FS_RPATH && (ns & NS_DOT)) {	/* If dot entry is not exit */
-					dj->sclust = 0; dj->dir = 0;	/* It is the root dir */
-					res = FR_OK;
-					if (!(ns & NS_LAST)) continue;
-				} else {							/* Could not find the object */
-					if (!(ns & NS_LAST)) res = FR_NO_PATH;
-				}
-				break;
-			}
-			if (ns & NS_LAST) break;			/* Last segment match. Function completed. */
-			dir = dj->dir;						/* There is next segment. Follow the sub directory */
-			if (!(dir[DIR_Attr] & AM_DIR)) {	/* Cannot follow because it is a file */
-				res = FR_NO_PATH; break;
-			}
-			dj->sclust = LD_CLUST(dir);
-		}
-	}
-
-	return res;
+    if ((UINT)*path < ' ') {            /* Nul path means the start directory itself */
+        res = dir_sdi(dj, 0);
+        dj->dir = 0;
+
+    } else {                            /* Follow path */
+        for (;;) {
+            res = create_name(dj, &path);    /* Get a segment */
+            if (res != FR_OK) break;
+            res = dir_find(dj);                /* Find it */
+            ns = *(dj->fn+NS);
+            if (res != FR_OK) {                /* Failed to find the object */
+                if (res != FR_NO_FILE) break;    /* Abort if any hard error occured */
+                /* Object not found */
+                if (_FS_RPATH && (ns & NS_DOT)) {    /* If dot entry is not exit */
+                    dj->sclust = 0; dj->dir = 0;    /* It is the root dir */
+                    res = FR_OK;
+                    if (!(ns & NS_LAST)) continue;
+                } else {                            /* Could not find the object */
+                    if (!(ns & NS_LAST)) res = FR_NO_PATH;
+                }
+                break;
+            }
+            if (ns & NS_LAST) break;            /* Last segment match. Function completed. */
+            dir = dj->dir;                        /* There is next segment. Follow the sub directory */
+            if (!(dir[DIR_Attr] & AM_DIR)) {    /* Cannot follow because it is a file */
+                res = FR_NO_PATH; break;
+            }
+            dj->sclust = LD_CLUST(dir);
+        }
+    }
+
+    return res;
 }
 
 
@@ -1979,22 +1979,22 @@
 /*-----------------------------------------------------------------------*/
 
 static
-BYTE check_fs (	/* 0:FAT-VBR, 1:Valid BR but not FAT, 2:Not a BR, 3:Disk error */
-	FATFS *fs,	/* File system object */
-	DWORD sect	/* Sector# (lba) to check if it is an FAT boot record or not */
+BYTE check_fs (    /* 0:FAT-VBR, 1:Valid BR but not FAT, 2:Not a BR, 3:Disk error */
+    FATFS *fs,    /* File system object */
+    DWORD sect    /* Sector# (lba) to check if it is an FAT boot record or not */
 )
 {
-	if (disk_read(fs->drv, fs->win, sect, 1) != RES_OK)	/* Load boot record */
-		return 3;
-	if (LD_WORD(&fs->win[BS_55AA]) != 0xAA55)		/* Check record signature (always placed at offset 510 even if the sector size is >512) */
-		return 2;
-
-	if ((LD_DWORD(&fs->win[BS_FilSysType]) & 0xFFFFFF) == 0x544146)	/* Check "FAT" string */
-		return 0;
-	if ((LD_DWORD(&fs->win[BS_FilSysType32]) & 0xFFFFFF) == 0x544146)
-		return 0;
-
-	return 1;
+    if (disk_read(fs->drv, fs->win, sect, 1) != RES_OK)    /* Load boot record */
+        return 3;
+    if (LD_WORD(&fs->win[BS_55AA]) != 0xAA55)        /* Check record signature (always placed at offset 510 even if the sector size is >512) */
+        return 2;
+
+    if ((LD_DWORD(&fs->win[BS_FilSysType]) & 0xFFFFFF) == 0x544146)    /* Check "FAT" string */
+        return 0;
+    if ((LD_DWORD(&fs->win[BS_FilSysType32]) & 0xFFFFFF) == 0x544146)
+        return 0;
+
+    return 1;
 }
 
 
@@ -2005,160 +2005,160 @@
 /*-----------------------------------------------------------------------*/
 
 static
-FRESULT chk_mounted (	/* FR_OK(0): successful, !=0: any error occurred */
-	const TCHAR **path,	/* Pointer to pointer to the path name (drive number) */
-	FATFS **rfs,		/* Pointer to pointer to the found file system object */
-	BYTE chk_wp			/* !=0: Check media write protection for write access */
+FRESULT chk_mounted (    /* FR_OK(0): successful, !=0: any error occurred */
+    const TCHAR **path,    /* Pointer to pointer to the path name (drive number) */
+    FATFS **rfs,        /* Pointer to pointer to the found file system object */
+    BYTE chk_wp            /* !=0: Check media write protection for write access */
 )
 {
-	BYTE fmt, b, pi, *tbl;
-	UINT vol;
-	DSTATUS stat;
-	DWORD bsect, fasize, tsect, sysect, nclst, szbfat;
-	WORD nrsv;
-	const TCHAR *p = *path;
-	FATFS *fs;
-
-	/* Get logical drive number from the path name */
-	vol = p[0] - '0';					/* Is there a drive number? */
-	if (vol <= 9 && p[1] == ':') {		/* Found a drive number, get and strip it */
-		p += 2; *path = p;				/* Return pointer to the path name */
-	} else {							/* No drive number is given */
+    BYTE fmt, b, pi, *tbl;
+    UINT vol;
+    DSTATUS stat;
+    DWORD bsect, fasize, tsect, sysect, nclst, szbfat;
+    WORD nrsv;
+    const TCHAR *p = *path;
+    FATFS *fs;
+
+    /* Get logical drive number from the path name */
+    vol = p[0] - '0';                    /* Is there a drive number? */
+    if (vol <= 9 && p[1] == ':') {        /* Found a drive number, get and strip it */
+        p += 2; *path = p;                /* Return pointer to the path name */
+    } else {                            /* No drive number is given */
 #if _FS_RPATH
-		vol = CurrVol;					/* Use current drive */
+        vol = CurrVol;                    /* Use current drive */
 #else
-		vol = 0;						/* Use drive 0 */
+        vol = 0;                        /* Use drive 0 */
 #endif
-	}
-
-	/* Check if the file system object is valid or not */
-	if (vol >= _VOLUMES) 				/* Is the drive number valid? */
-		return FR_INVALID_DRIVE;
-	*rfs = fs = FatFs[vol];				/* Return pointer to the corresponding file system object */
-	if (!fs) return FR_NOT_ENABLED;		/* Is the file system object available? */
-
-	ENTER_FF(fs);						/* Lock file system */
-
-	if (fs->fs_type) {					/* If the logical drive has been mounted */
-		stat = disk_status(fs->drv);
-		if (!(stat & STA_NOINIT)) {		/* and the physical drive is kept initialized (has not been changed), */
-			if (!_FS_READONLY && chk_wp && (stat & STA_PROTECT))	/* Check write protection if needed */
-				return FR_WRITE_PROTECTED;
-			return FR_OK;				/* The file system object is valid */
-		}
-	}
-
-	/* The file system object is not valid. */
-	/* Following code attempts to mount the volume. (analyze BPB and initialize the fs object) */
-
-	fs->fs_type = 0;					/* Clear the file system object */
-	fs->drv = LD2PD(vol);				/* Bind the logical drive and a physical drive */
-	stat = disk_initialize(fs->drv);	/* Initialize low level disk I/O layer */
-	if (stat & STA_NOINIT)				/* Check if the initialization succeeded */
-		return FR_NOT_READY;			/* Failed to initialize due to no media or hard error */
-	if (!_FS_READONLY && chk_wp && (stat & STA_PROTECT))	/* Check disk write protection if needed */
-		return FR_WRITE_PROTECTED;
-#if _MAX_SS != 512						/* Get disk sector size (variable sector size cfg only) */
-	if (disk_ioctl(fs->drv, GET_SECTOR_SIZE, &fs->ssize) != RES_OK)
-		return FR_DISK_ERR;
+    }
+
+    /* Check if the file system object is valid or not */
+    if (vol >= _VOLUMES)                 /* Is the drive number valid? */
+        return FR_INVALID_DRIVE;
+    *rfs = fs = FatFs[vol];                /* Return pointer to the corresponding file system object */
+    if (!fs) return FR_NOT_ENABLED;        /* Is the file system object available? */
+
+    ENTER_FF(fs);                        /* Lock file system */
+
+    if (fs->fs_type) {                    /* If the logical drive has been mounted */
+        stat = disk_status(fs->drv);
+        if (!(stat & STA_NOINIT)) {        /* and the physical drive is kept initialized (has not been changed), */
+            if (!_FS_READONLY && chk_wp && (stat & STA_PROTECT))    /* Check write protection if needed */
+                return FR_WRITE_PROTECTED;
+            return FR_OK;                /* The file system object is valid */
+        }
+    }
+
+    /* The file system object is not valid. */
+    /* Following code attempts to mount the volume. (analyze BPB and initialize the fs object) */
+
+    fs->fs_type = 0;                    /* Clear the file system object */
+    fs->drv = LD2PD(vol);                /* Bind the logical drive and a physical drive */
+    stat = disk_initialize(fs->drv);    /* Initialize low level disk I/O layer */
+    if (stat & STA_NOINIT)                /* Check if the initialization succeeded */
+        return FR_NOT_READY;            /* Failed to initialize due to no media or hard error */
+    if (!_FS_READONLY && chk_wp && (stat & STA_PROTECT))    /* Check disk write protection if needed */
+        return FR_WRITE_PROTECTED;
+#if _MAX_SS != 512                        /* Get disk sector size (variable sector size cfg only) */
+    if (disk_ioctl(fs->drv, GET_SECTOR_SIZE, &fs->ssize) != RES_OK)
+        return FR_DISK_ERR;
 #endif
-	/* Search FAT partition on the drive. Supports only generic partitionings, FDISK and SFD. */
-	fmt = check_fs(fs, bsect = 0);		/* Load sector 0 and check if it is an FAT-VBR (in SFD) */
-	if (LD2PT(vol) && !fmt) fmt = 1;	/* Force non-SFD if the volume is forced partition */
-	if (fmt == 1) {						/* Not an FAT-VBR, the physical drive can be partitioned */
-		/* Check the partition listed in the partition table */
-		pi = LD2PT(vol);
-		if (pi) pi--;
-		tbl = &fs->win[MBR_Table + pi * SZ_PTE];/* Partition table */
-		if (tbl[4]) {						/* Is the partition existing? */
-			bsect = LD_DWORD(&tbl[8]);		/* Partition offset in LBA */
-			fmt = check_fs(fs, bsect);		/* Check the partition */
-		}
-	}
-	if (fmt == 3) return FR_DISK_ERR;
-	if (fmt) return FR_NO_FILESYSTEM;		/* No FAT volume is found */
-
-	/* An FAT volume is found. Following code initializes the file system object */
-
-	if (LD_WORD(fs->win+BPB_BytsPerSec) != SS(fs))		/* (BPB_BytsPerSec must be equal to the physical sector size) */
-		return FR_NO_FILESYSTEM;
-
-	fasize = LD_WORD(fs->win+BPB_FATSz16);				/* Number of sectors per FAT */
-	if (!fasize) fasize = LD_DWORD(fs->win+BPB_FATSz32);
-	fs->fsize = fasize;
-
-	fs->n_fats = b = fs->win[BPB_NumFATs];				/* Number of FAT copies */
-	if (b != 1 && b != 2) return FR_NO_FILESYSTEM;		/* (Must be 1 or 2) */
-	fasize *= b;										/* Number of sectors for FAT area */
-
-	fs->csize = b = fs->win[BPB_SecPerClus];			/* Number of sectors per cluster */
-	if (!b || (b & (b - 1))) return FR_NO_FILESYSTEM;	/* (Must be power of 2) */
-
-	fs->n_rootdir = LD_WORD(fs->win+BPB_RootEntCnt);	/* Number of root directory entries */
-	if (fs->n_rootdir % (SS(fs) / SZ_DIR)) return FR_NO_FILESYSTEM;	/* (BPB_RootEntCnt must be sector aligned) */
-
-	tsect = LD_WORD(fs->win+BPB_TotSec16);				/* Number of sectors on the volume */
-	if (!tsect) tsect = LD_DWORD(fs->win+BPB_TotSec32);
-
-	nrsv = LD_WORD(fs->win+BPB_RsvdSecCnt);				/* Number of reserved sectors */
-	if (!nrsv) return FR_NO_FILESYSTEM;					/* (BPB_RsvdSecCnt must not be 0) */
-
-	/* Determine the FAT sub type */
-	sysect = nrsv + fasize + fs->n_rootdir / (SS(fs) / SZ_DIR);	/* RSV+FAT+FATFS_DIR */
-	if (tsect < sysect) return FR_NO_FILESYSTEM;		/* (Invalid volume size) */
-	nclst = (tsect - sysect) / fs->csize;				/* Number of clusters */
-	if (!nclst) return FR_NO_FILESYSTEM;				/* (Invalid volume size) */
-	fmt = FS_FAT12;
-	if (nclst >= MIN_FAT16) fmt = FS_FAT16;
-	if (nclst >= MIN_FAT32) fmt = FS_FAT32;
-
-	/* Boundaries and Limits */
-	fs->n_fatent = nclst + 2;							/* Number of FAT entries */
-	fs->database = bsect + sysect;						/* Data start sector */
-	fs->fatbase = bsect + nrsv; 						/* FAT start sector */
-	if (fmt == FS_FAT32) {
-		if (fs->n_rootdir) return FR_NO_FILESYSTEM;		/* (BPB_RootEntCnt must be 0) */
-		fs->dirbase = LD_DWORD(fs->win+BPB_RootClus);	/* Root directory start cluster */
-		szbfat = fs->n_fatent * 4;						/* (Required FAT size) */
-	} else {
-		if (!fs->n_rootdir)	return FR_NO_FILESYSTEM;	/* (BPB_RootEntCnt must not be 0) */
-		fs->dirbase = fs->fatbase + fasize;				/* Root directory start sector */
-		szbfat = (fmt == FS_FAT16) ?					/* (Required FAT size) */
-			fs->n_fatent * 2 : fs->n_fatent * 3 / 2 + (fs->n_fatent & 1);
-	}
-	if (fs->fsize < (szbfat + (SS(fs) - 1)) / SS(fs))	/* (BPB_FATSz must not be less than required) */
-		return FR_NO_FILESYSTEM;
+    /* Search FAT partition on the drive. Supports only generic partitionings, FDISK and SFD. */
+    fmt = check_fs(fs, bsect = 0);        /* Load sector 0 and check if it is an FAT-VBR (in SFD) */
+    if (LD2PT(vol) && !fmt) fmt = 1;    /* Force non-SFD if the volume is forced partition */
+    if (fmt == 1) {                        /* Not an FAT-VBR, the physical drive can be partitioned */
+        /* Check the partition listed in the partition table */
+        pi = LD2PT(vol);
+        if (pi) pi--;
+        tbl = &fs->win[MBR_Table + pi * SZ_PTE];/* Partition table */
+        if (tbl[4]) {                        /* Is the partition existing? */
+            bsect = LD_DWORD(&tbl[8]);        /* Partition offset in LBA */
+            fmt = check_fs(fs, bsect);        /* Check the partition */
+        }
+    }
+    if (fmt == 3) return FR_DISK_ERR;
+    if (fmt) return FR_NO_FILESYSTEM;        /* No FAT volume is found */
+
+    /* An FAT volume is found. Following code initializes the file system object */
+
+    if (LD_WORD(fs->win+BPB_BytsPerSec) != SS(fs))        /* (BPB_BytsPerSec must be equal to the physical sector size) */
+        return FR_NO_FILESYSTEM;
+
+    fasize = LD_WORD(fs->win+BPB_FATSz16);                /* Number of sectors per FAT */
+    if (!fasize) fasize = LD_DWORD(fs->win+BPB_FATSz32);
+    fs->fsize = fasize;
+
+    fs->n_fats = b = fs->win[BPB_NumFATs];                /* Number of FAT copies */
+    if (b != 1 && b != 2) return FR_NO_FILESYSTEM;        /* (Must be 1 or 2) */
+    fasize *= b;                                        /* Number of sectors for FAT area */
+
+    fs->csize = b = fs->win[BPB_SecPerClus];            /* Number of sectors per cluster */
+    if (!b || (b & (b - 1))) return FR_NO_FILESYSTEM;    /* (Must be power of 2) */
+
+    fs->n_rootdir = LD_WORD(fs->win+BPB_RootEntCnt);    /* Number of root directory entries */
+    if (fs->n_rootdir % (SS(fs) / SZ_DIR)) return FR_NO_FILESYSTEM;    /* (BPB_RootEntCnt must be sector aligned) */
+
+    tsect = LD_WORD(fs->win+BPB_TotSec16);                /* Number of sectors on the volume */
+    if (!tsect) tsect = LD_DWORD(fs->win+BPB_TotSec32);
+
+    nrsv = LD_WORD(fs->win+BPB_RsvdSecCnt);                /* Number of reserved sectors */
+    if (!nrsv) return FR_NO_FILESYSTEM;                    /* (BPB_RsvdSecCnt must not be 0) */
+
+    /* Determine the FAT sub type */
+    sysect = nrsv + fasize + fs->n_rootdir / (SS(fs) / SZ_DIR);    /* RSV+FAT+FATFS_DIR */
+    if (tsect < sysect) return FR_NO_FILESYSTEM;        /* (Invalid volume size) */
+    nclst = (tsect - sysect) / fs->csize;                /* Number of clusters */
+    if (!nclst) return FR_NO_FILESYSTEM;                /* (Invalid volume size) */
+    fmt = FS_FAT12;
+    if (nclst >= MIN_FAT16) fmt = FS_FAT16;
+    if (nclst >= MIN_FAT32) fmt = FS_FAT32;
+
+    /* Boundaries and Limits */
+    fs->n_fatent = nclst + 2;                            /* Number of FAT entries */
+    fs->database = bsect + sysect;                        /* Data start sector */
+    fs->fatbase = bsect + nrsv;                         /* FAT start sector */
+    if (fmt == FS_FAT32) {
+        if (fs->n_rootdir) return FR_NO_FILESYSTEM;        /* (BPB_RootEntCnt must be 0) */
+        fs->dirbase = LD_DWORD(fs->win+BPB_RootClus);    /* Root directory start cluster */
+        szbfat = fs->n_fatent * 4;                        /* (Required FAT size) */
+    } else {
+        if (!fs->n_rootdir)    return FR_NO_FILESYSTEM;    /* (BPB_RootEntCnt must not be 0) */
+        fs->dirbase = fs->fatbase + fasize;                /* Root directory start sector */
+        szbfat = (fmt == FS_FAT16) ?                    /* (Required FAT size) */
+            fs->n_fatent * 2 : fs->n_fatent * 3 / 2 + (fs->n_fatent & 1);
+    }
+    if (fs->fsize < (szbfat + (SS(fs) - 1)) / SS(fs))    /* (BPB_FATSz must not be less than required) */
+        return FR_NO_FILESYSTEM;
 
 #if !_FS_READONLY
-	/* Initialize cluster allocation information */
-	fs->free_clust = 0xFFFFFFFF;
-	fs->last_clust = 0;
-
-	/* Get fsinfo if available */
-	if (fmt == FS_FAT32) {
-	 	fs->fsi_flag = 0;
-		fs->fsi_sector = bsect + LD_WORD(fs->win+BPB_FSInfo);
-		if (disk_read(fs->drv, fs->win, fs->fsi_sector, 1) == RES_OK &&
-			LD_WORD(fs->win+BS_55AA) == 0xAA55 &&
-			LD_DWORD(fs->win+FSI_LeadSig) == 0x41615252 &&
-			LD_DWORD(fs->win+FSI_StrucSig) == 0x61417272) {
-				fs->last_clust = LD_DWORD(fs->win+FSI_Nxt_Free);
-				fs->free_clust = LD_DWORD(fs->win+FSI_Free_Count);
-		}
-	}
+    /* Initialize cluster allocation information */
+    fs->free_clust = 0xFFFFFFFF;
+    fs->last_clust = 0;
+
+    /* Get fsinfo if available */
+    if (fmt == FS_FAT32) {
+         fs->fsi_flag = 0;
+        fs->fsi_sector = bsect + LD_WORD(fs->win+BPB_FSInfo);
+        if (disk_read(fs->drv, fs->win, fs->fsi_sector, 1) == RES_OK &&
+            LD_WORD(fs->win+BS_55AA) == 0xAA55 &&
+            LD_DWORD(fs->win+FSI_LeadSig) == 0x41615252 &&
+            LD_DWORD(fs->win+FSI_StrucSig) == 0x61417272) {
+                fs->last_clust = LD_DWORD(fs->win+FSI_Nxt_Free);
+                fs->free_clust = LD_DWORD(fs->win+FSI_Free_Count);
+        }
+    }
 #endif
-	fs->fs_type = fmt;		/* FAT sub-type */
-	fs->id = ++Fsid;		/* File system mount ID */
-	fs->winsect = 0;		/* Invalidate sector cache */
-	fs->wflag = 0;
+    fs->fs_type = fmt;        /* FAT sub-type */
+    fs->id = ++Fsid;        /* File system mount ID */
+    fs->winsect = 0;        /* Invalidate sector cache */
+    fs->wflag = 0;
 #if _FS_RPATH
-	fs->cdir = 0;			/* Current directory (root dir) */
+    fs->cdir = 0;            /* Current directory (root dir) */
 #endif
-#if _FS_SHARE				/* Clear file lock semaphores */
-	clear_lock(fs);
+#if _FS_SHARE                /* Clear file lock semaphores */
+    clear_lock(fs);
 #endif
 
-	return FR_OK;
+    return FR_OK;
 }
 
 
@@ -2169,20 +2169,20 @@
 /*-----------------------------------------------------------------------*/
 
 static
-FRESULT validate (	/* FR_OK(0): The object is valid, !=0: Invalid */
-	FATFS *fs,		/* Pointer to the file system object */
-	WORD id			/* Member id of the target object to be checked */
+FRESULT validate (    /* FR_OK(0): The object is valid, !=0: Invalid */
+    FATFS *fs,        /* Pointer to the file system object */
+    WORD id            /* Member id of the target object to be checked */
 )
 {
-	if (!fs || !fs->fs_type || fs->id != id)
-		return FR_INVALID_OBJECT;
-
-	ENTER_FF(fs);		/* Lock file system */
-
-	if (disk_status(fs->drv) & STA_NOINIT)
-		return FR_NOT_READY;
-
-	return FR_OK;
+    if (!fs || !fs->fs_type || fs->id != id)
+        return FR_INVALID_OBJECT;
+
+    ENTER_FF(fs);        /* Lock file system */
+
+    if (disk_status(fs->drv) & STA_NOINIT)
+        return FR_NOT_READY;
+
+    return FR_OK;
 }
 
 
@@ -2201,36 +2201,36 @@
 /*-----------------------------------------------------------------------*/
 
 FRESULT f_mount (
-	BYTE vol,		/* Logical drive number to be mounted/unmounted */
-	FATFS *fs		/* Pointer to new file system object (NULL for unmount)*/
+    BYTE vol,        /* Logical drive number to be mounted/unmounted */
+    FATFS *fs        /* Pointer to new file system object (NULL for unmount)*/
 )
 {
-	FATFS *rfs;
-
-
-	if (vol >= _VOLUMES)		/* Check if the drive number is valid */
-		return FR_INVALID_DRIVE;
-	rfs = FatFs[vol];			/* Get current fs object */
-
-	if (rfs) {
+    FATFS *rfs;
+
+
+    if (vol >= _VOLUMES)        /* Check if the drive number is valid */
+        return FR_INVALID_DRIVE;
+    rfs = FatFs[vol];            /* Get current fs object */
+
+    if (rfs) {
 #if _FS_SHARE
-		clear_lock(rfs);
+        clear_lock(rfs);
 #endif
-#if _FS_REENTRANT				/* Discard sync object of the current volume */
-		if (!ff_del_syncobj(rfs->sobj)) return FR_INT_ERR;
+#if _FS_REENTRANT                /* Discard sync object of the current volume */
+        if (!ff_del_syncobj(rfs->sobj)) return FR_INT_ERR;
 #endif
-		rfs->fs_type = 0;		/* Clear old fs object */
-	}
-
-	if (fs) {
-		fs->fs_type = 0;		/* Clear new fs object */
-#if _FS_REENTRANT				/* Create sync object for the new volume */
-		if (!ff_cre_syncobj(vol, &fs->sobj)) return FR_INT_ERR;
+        rfs->fs_type = 0;        /* Clear old fs object */
+    }
+
+    if (fs) {
+        fs->fs_type = 0;        /* Clear new fs object */
+#if _FS_REENTRANT                /* Create sync object for the new volume */
+        if (!ff_cre_syncobj(vol, &fs->sobj)) return FR_INT_ERR;
 #endif
-	}
-	FatFs[vol] = fs;			/* Register new fs object */
-
-	return FR_OK;
+    }
+    FatFs[vol] = fs;            /* Register new fs object */
+
+    return FR_OK;
 }
 
 
@@ -2241,126 +2241,126 @@
 /*-----------------------------------------------------------------------*/
 
 FRESULT f_open (
-	FIL *fp,			/* Pointer to the blank file object */
-	const TCHAR *path,	/* Pointer to the file name */
-	BYTE mode			/* Access mode and file open mode flags */
+    FIL *fp,            /* Pointer to the blank file object */
+    const TCHAR *path,    /* Pointer to the file name */
+    BYTE mode            /* Access mode and file open mode flags */
 )
 {
-	FRESULT res;
-	FATFS_DIR dj;
-	BYTE *dir;
-	DEF_NAMEBUF;
-
-
-	fp->fs = 0;			/* Clear file object */
+    FRESULT res;
+    FATFS_DIR dj;
+    BYTE *dir;
+    DEF_NAMEBUF;
+
+
+    fp->fs = 0;            /* Clear file object */
 
 #if !_FS_READONLY
-	mode &= FA_READ | FA_WRITE | FA_CREATE_ALWAYS | FA_OPEN_ALWAYS | FA_CREATE_NEW;
-	res = chk_mounted(&path, &dj.fs, (BYTE)(mode & ~FA_READ));
+    mode &= FA_READ | FA_WRITE | FA_CREATE_ALWAYS | FA_OPEN_ALWAYS | FA_CREATE_NEW;
+    res = chk_mounted(&path, &dj.fs, (BYTE)(mode & ~FA_READ));
 #else
-	mode &= FA_READ;
-	res = chk_mounted(&path, &dj.fs, 0);
+    mode &= FA_READ;
+    res = chk_mounted(&path, &dj.fs, 0);
 #endif
-	INIT_BUF(dj);
-	if (res == FR_OK)
-		res = follow_path(&dj, path);	/* Follow the file path */
-	dir = dj.dir;
-
-#if !_FS_READONLY	/* R/W configuration */
-	if (res == FR_OK) {
-		if (!dir)	/* Current dir itself */
-			res = FR_INVALID_NAME;
+    INIT_BUF(dj);
+    if (res == FR_OK)
+        res = follow_path(&dj, path);    /* Follow the file path */
+    dir = dj.dir;
+
+#if !_FS_READONLY    /* R/W configuration */
+    if (res == FR_OK) {
+        if (!dir)    /* Current dir itself */
+            res = FR_INVALID_NAME;
 #if _FS_SHARE
-		else
-			res = chk_lock(&dj, (mode & ~FA_READ) ? 1 : 0);
+        else
+            res = chk_lock(&dj, (mode & ~FA_READ) ? 1 : 0);
 #endif
-	}
-	/* Create or Open a file */
-	if (mode & (FA_CREATE_ALWAYS | FA_OPEN_ALWAYS | FA_CREATE_NEW)) {
-		DWORD dw, cl;
-
-		if (res != FR_OK) {					/* No file, create new */
-			if (res == FR_NO_FILE)			/* There is no file to open, create a new entry */
+    }
+    /* Create or Open a file */
+    if (mode & (FA_CREATE_ALWAYS | FA_OPEN_ALWAYS | FA_CREATE_NEW)) {
+        DWORD dw, cl;
+
+        if (res != FR_OK) {                    /* No file, create new */
+            if (res == FR_NO_FILE)            /* There is no file to open, create a new entry */
 #if _FS_SHARE
-				res = enq_lock() ? dir_register(&dj) : FR_TOO_MANY_OPEN_FILES;
+                res = enq_lock() ? dir_register(&dj) : FR_TOO_MANY_OPEN_FILES;
 #else
-				res = dir_register(&dj);
+                res = dir_register(&dj);
 #endif
-			mode |= FA_CREATE_ALWAYS;		/* File is created */
-			dir = dj.dir;					/* New entry */
-		}
-		else {								/* Any object is already existing */
-			if (dir[DIR_Attr] & (AM_RDO | AM_DIR)) {	/* Cannot overwrite it (R/O or FATFS_DIR) */
-				res = FR_DENIED;
-			} else {
-				if (mode & FA_CREATE_NEW)	/* Cannot create as new file */
-					res = FR_EXIST;
-			}
-		}
-		if (res == FR_OK && (mode & FA_CREATE_ALWAYS)) {	/* Truncate it if overwrite mode */
-			dw = get_fattime();					/* Created time */
-			ST_DWORD(dir+DIR_CrtTime, dw);
-			dir[DIR_Attr] = 0;					/* Reset attribute */
-			ST_DWORD(dir+DIR_FileSize, 0);		/* size = 0 */
-			cl = LD_CLUST(dir);					/* Get start cluster */
-			ST_CLUST(dir, 0);					/* cluster = 0 */
-			dj.fs->wflag = 1;
-			if (cl) {							/* Remove the cluster chain if exist */
-				dw = dj.fs->winsect;
-				res = remove_chain(dj.fs, cl);
-				if (res == FR_OK) {
-					dj.fs->last_clust = cl - 1;	/* Reuse the cluster hole */
-					res = move_window(dj.fs, dw);
-				}
-			}
-		}
-	}
-	else {	/* Open an existing file */
-		if (res == FR_OK) {						/* Follow succeeded */
-			if (dir[DIR_Attr] & AM_DIR) {		/* It is a directory */
-				res = FR_NO_FILE;
-			} else {
-				if ((mode & FA_WRITE) && (dir[DIR_Attr] & AM_RDO)) /* R/O violation */
-					res = FR_DENIED;
-			}
-		}
-	}
-	if (res == FR_OK) {
-		if (mode & FA_CREATE_ALWAYS)			/* Set file change flag if created or overwritten */
-			mode |= FA__WRITTEN;
-		fp->dir_sect = dj.fs->winsect;			/* Pointer to the directory entry */
-		fp->dir_ptr = dir;
+            mode |= FA_CREATE_ALWAYS;        /* File is created */
+            dir = dj.dir;                    /* New entry */
+        }
+        else {                                /* Any object is already existing */
+            if (dir[DIR_Attr] & (AM_RDO | AM_DIR)) {    /* Cannot overwrite it (R/O or FATFS_DIR) */
+                res = FR_DENIED;
+            } else {
+                if (mode & FA_CREATE_NEW)    /* Cannot create as new file */
+                    res = FR_EXIST;
+            }
+        }
+        if (res == FR_OK && (mode & FA_CREATE_ALWAYS)) {    /* Truncate it if overwrite mode */
+            dw = get_fattime();                    /* Created time */
+            ST_DWORD(dir+DIR_CrtTime, dw);
+            dir[DIR_Attr] = 0;                    /* Reset attribute */
+            ST_DWORD(dir+DIR_FileSize, 0);        /* size = 0 */
+            cl = LD_CLUST(dir);                    /* Get start cluster */
+            ST_CLUST(dir, 0);                    /* cluster = 0 */
+            dj.fs->wflag = 1;
+            if (cl) {                            /* Remove the cluster chain if exist */
+                dw = dj.fs->winsect;
+                res = remove_chain(dj.fs, cl);
+                if (res == FR_OK) {
+                    dj.fs->last_clust = cl - 1;    /* Reuse the cluster hole */
+                    res = move_window(dj.fs, dw);
+                }
+            }
+        }
+    }
+    else {    /* Open an existing file */
+        if (res == FR_OK) {                        /* Follow succeeded */
+            if (dir[DIR_Attr] & AM_DIR) {        /* It is a directory */
+                res = FR_NO_FILE;
+            } else {
+                if ((mode & FA_WRITE) && (dir[DIR_Attr] & AM_RDO)) /* R/O violation */
+                    res = FR_DENIED;
+            }
+        }
+    }
+    if (res == FR_OK) {
+        if (mode & FA_CREATE_ALWAYS)            /* Set file change flag if created or overwritten */
+            mode |= FA__WRITTEN;
+        fp->dir_sect = dj.fs->winsect;            /* Pointer to the directory entry */
+        fp->dir_ptr = dir;
 #if _FS_SHARE
-		fp->lockid = inc_lock(&dj, (mode & ~FA_READ) ? 1 : 0);
-		if (!fp->lockid) res = FR_INT_ERR;
+        fp->lockid = inc_lock(&dj, (mode & ~FA_READ) ? 1 : 0);
+        if (!fp->lockid) res = FR_INT_ERR;
 #endif
-	}
-
-#else				/* R/O configuration */
-	if (res == FR_OK) {					/* Follow succeeded */
-		if (!dir) {						/* Current dir itself */
-			res = FR_INVALID_NAME;
-		} else {
-			if (dir[DIR_Attr] & AM_DIR)	/* It is a directory */
-				res = FR_NO_FILE;
-		}
-	}
+    }
+
+#else                /* R/O configuration */
+    if (res == FR_OK) {                    /* Follow succeeded */
+        if (!dir) {                        /* Current dir itself */
+            res = FR_INVALID_NAME;
+        } else {
+            if (dir[DIR_Attr] & AM_DIR)    /* It is a directory */
+                res = FR_NO_FILE;
+        }
+    }
 #endif
-	FREE_BUF();
-
-	if (res == FR_OK) {
-		fp->flag = mode;					/* File access mode */
-		fp->sclust = LD_CLUST(dir);			/* File start cluster */
-		fp->fsize = LD_DWORD(dir+DIR_FileSize);	/* File size */
-		fp->fptr = 0;						/* File pointer */
-		fp->dsect = 0;
+    FREE_BUF();
+
+    if (res == FR_OK) {
+        fp->flag = mode;                    /* File access mode */
+        fp->sclust = LD_CLUST(dir);            /* File start cluster */
+        fp->fsize = LD_DWORD(dir+DIR_FileSize);    /* File size */
+        fp->fptr = 0;                        /* File pointer */
+        fp->dsect = 0;
 #if _USE_FASTSEEK
-		fp->cltbl = 0;						/* Normal seek mode */
+        fp->cltbl = 0;                        /* Normal seek mode */
 #endif
-		fp->fs = dj.fs; fp->id = dj.fs->id;	/* Validate file object */
-	}
-
-	LEAVE_FF(dj.fs, res);
+        fp->fs = dj.fs; fp->id = dj.fs->id;    /* Validate file object */
+    }
+
+    LEAVE_FF(dj.fs, res);
 }
 
 
@@ -2371,96 +2371,96 @@
 /*-----------------------------------------------------------------------*/
 
 FRESULT f_read (
-	FIL *fp, 		/* Pointer to the file object */
-	void *buff,		/* Pointer to data buffer */
-	UINT btr,		/* Number of bytes to read */
-	UINT *br		/* Pointer to number of bytes read */
+    FIL *fp,         /* Pointer to the file object */
+    void *buff,        /* Pointer to data buffer */
+    UINT btr,        /* Number of bytes to read */
+    UINT *br        /* Pointer to number of bytes read */
 )
 {
-	FRESULT res;
-	DWORD clst, sect, remain;
-	UINT rcnt, cc;
-	BYTE csect, *rbuff = (BYTE*)buff;
-
-
-	*br = 0;	/* Initialize byte counter */
-
-	res = validate(fp->fs, fp->id);				/* Check validity */
-	if (res != FR_OK) LEAVE_FF(fp->fs, res);
-	if (fp->flag & FA__ERROR)					/* Aborted file? */
-		LEAVE_FF(fp->fs, FR_INT_ERR);
-	if (!(fp->flag & FA_READ)) 					/* Check access mode */
-		LEAVE_FF(fp->fs, FR_DENIED);
-	remain = fp->fsize - fp->fptr;
-	if (btr > remain) btr = (UINT)remain;		/* Truncate btr by remaining bytes */
-
-	for ( ;  btr;								/* Repeat until all data read */
-		rbuff += rcnt, fp->fptr += rcnt, *br += rcnt, btr -= rcnt) {
-		if ((fp->fptr % SS(fp->fs)) == 0) {		/* On the sector boundary? */
-			csect = (BYTE)(fp->fptr / SS(fp->fs) & (fp->fs->csize - 1));	/* Sector offset in the cluster */
-			if (!csect) {						/* On the cluster boundary? */
-				if (fp->fptr == 0) {			/* On the top of the file? */
-					clst = fp->sclust;			/* Follow from the origin */
-				} else {						/* Middle or end of the file */
+    FRESULT res;
+    DWORD clst, sect, remain;
+    UINT rcnt, cc;
+    BYTE csect, *rbuff = (BYTE*)buff;
+
+
+    *br = 0;    /* Initialize byte counter */
+
+    res = validate(fp->fs, fp->id);                /* Check validity */
+    if (res != FR_OK) LEAVE_FF(fp->fs, res);
+    if (fp->flag & FA__ERROR)                    /* Aborted file? */
+        LEAVE_FF(fp->fs, FR_INT_ERR);
+    if (!(fp->flag & FA_READ))                     /* Check access mode */
+        LEAVE_FF(fp->fs, FR_DENIED);
+    remain = fp->fsize - fp->fptr;
+    if (btr > remain) btr = (UINT)remain;        /* Truncate btr by remaining bytes */
+
+    for ( ;  btr;                                /* Repeat until all data read */
+        rbuff += rcnt, fp->fptr += rcnt, *br += rcnt, btr -= rcnt) {
+        if ((fp->fptr % SS(fp->fs)) == 0) {        /* On the sector boundary? */
+            csect = (BYTE)(fp->fptr / SS(fp->fs) & (fp->fs->csize - 1));    /* Sector offset in the cluster */
+            if (!csect) {                        /* On the cluster boundary? */
+                if (fp->fptr == 0) {            /* On the top of the file? */
+                    clst = fp->sclust;            /* Follow from the origin */
+                } else {                        /* Middle or end of the file */
 #if _USE_FASTSEEK
-					if (fp->cltbl)
-						clst = clmt_clust(fp, fp->fptr);	/* Get cluster# from the CLMT */
-					else
+                    if (fp->cltbl)
+                        clst = clmt_clust(fp, fp->fptr);    /* Get cluster# from the CLMT */
+                    else
 #endif
-						clst = get_fat(fp->fs, fp->clust);	/* Follow cluster chain on the FAT */
-				}
-				if (clst < 2) ABORT(fp->fs, FR_INT_ERR);
-				if (clst == 0xFFFFFFFF) ABORT(fp->fs, FR_DISK_ERR);
-				fp->clust = clst;				/* Update current cluster */
-			}
-			sect = clust2sect(fp->fs, fp->clust);	/* Get current sector */
-			if (!sect) ABORT(fp->fs, FR_INT_ERR);
-			sect += csect;
-			cc = btr / SS(fp->fs);				/* When remaining bytes >= sector size, */
-			if (cc) {							/* Read maximum contiguous sectors directly */
-				if (csect + cc > fp->fs->csize)	/* Clip at cluster boundary */
-					cc = fp->fs->csize - csect;
-				if (disk_read(fp->fs->drv, rbuff, sect, (BYTE)cc) != RES_OK)
-					ABORT(fp->fs, FR_DISK_ERR);
-#if !_FS_READONLY && _FS_MINIMIZE <= 2			/* Replace one of the read sectors with cached data if it contains a dirty sector */
+                        clst = get_fat(fp->fs, fp->clust);    /* Follow cluster chain on the FAT */
+                }
+                if (clst < 2) ABORT(fp->fs, FR_INT_ERR);
+                if (clst == 0xFFFFFFFF) ABORT(fp->fs, FR_DISK_ERR);
+                fp->clust = clst;                /* Update current cluster */
+            }
+            sect = clust2sect(fp->fs, fp->clust);    /* Get current sector */
+            if (!sect) ABORT(fp->fs, FR_INT_ERR);
+            sect += csect;
+            cc = btr / SS(fp->fs);                /* When remaining bytes >= sector size, */
+            if (cc) {                            /* Read maximum contiguous sectors directly */
+                if (csect + cc > fp->fs->csize)    /* Clip at cluster boundary */
+                    cc = fp->fs->csize - csect;
+                if (disk_read(fp->fs->drv, rbuff, sect, (BYTE)cc) != RES_OK)
+                    ABORT(fp->fs, FR_DISK_ERR);
+#if !_FS_READONLY && _FS_MINIMIZE <= 2            /* Replace one of the read sectors with cached data if it contains a dirty sector */
 #if _FS_TINY
-				if (fp->fs->wflag && fp->fs->winsect - sect < cc)
-					mem_cpy(rbuff + ((fp->fs->winsect - sect) * SS(fp->fs)), fp->fs->win, SS(fp->fs));
+                if (fp->fs->wflag && fp->fs->winsect - sect < cc)
+                    mem_cpy(rbuff + ((fp->fs->winsect - sect) * SS(fp->fs)), fp->fs->win, SS(fp->fs));
 #else
-				if ((fp->flag & FA__DIRTY) && fp->dsect - sect < cc)
-					mem_cpy(rbuff + ((fp->dsect - sect) * SS(fp->fs)), fp->buf, SS(fp->fs));
+                if ((fp->flag & FA__DIRTY) && fp->dsect - sect < cc)
+                    mem_cpy(rbuff + ((fp->dsect - sect) * SS(fp->fs)), fp->buf, SS(fp->fs));
 #endif
 #endif
-				rcnt = SS(fp->fs) * cc;			/* Number of bytes transferred */
-				continue;
-			}
+                rcnt = SS(fp->fs) * cc;            /* Number of bytes transferred */
+                continue;
+            }
 #if !_FS_TINY
-			if (fp->dsect != sect) {			/* Load data sector if not in cache */
+            if (fp->dsect != sect) {            /* Load data sector if not in cache */
 #if !_FS_READONLY
-				if (fp->flag & FA__DIRTY) {		/* Write-back dirty sector cache */
-					if (disk_write(fp->fs->drv, fp->buf, fp->dsect, 1) != RES_OK)
-						ABORT(fp->fs, FR_DISK_ERR);
-					fp->flag &= ~FA__DIRTY;
-				}
+                if (fp->flag & FA__DIRTY) {        /* Write-back dirty sector cache */
+                    if (disk_write(fp->fs->drv, fp->buf, fp->dsect, 1) != RES_OK)
+                        ABORT(fp->fs, FR_DISK_ERR);
+                    fp->flag &= ~FA__DIRTY;
+                }
 #endif
-				if (disk_read(fp->fs->drv, fp->buf, sect, 1) != RES_OK)	/* Fill sector cache */
-					ABORT(fp->fs, FR_DISK_ERR);
-			}
+                if (disk_read(fp->fs->drv, fp->buf, sect, 1) != RES_OK)    /* Fill sector cache */
+                    ABORT(fp->fs, FR_DISK_ERR);
+            }
 #endif
-			fp->dsect = sect;
-		}
-		rcnt = SS(fp->fs) - (fp->fptr % SS(fp->fs));	/* Get partial sector data from sector buffer */
-		if (rcnt > btr) rcnt = btr;
+            fp->dsect = sect;
+        }
+        rcnt = SS(fp->fs) - (fp->fptr % SS(fp->fs));    /* Get partial sector data from sector buffer */
+        if (rcnt > btr) rcnt = btr;
 #if _FS_TINY
-		if (move_window(fp->fs, fp->dsect))		/* Move sector window */
-			ABORT(fp->fs, FR_DISK_ERR);
-		mem_cpy(rbuff, &fp->fs->win[fp->fptr % SS(fp->fs)], rcnt);	/* Pick partial sector */
+        if (move_window(fp->fs, fp->dsect))        /* Move sector window */
+            ABORT(fp->fs, FR_DISK_ERR);
+        mem_cpy(rbuff, &fp->fs->win[fp->fptr % SS(fp->fs)], rcnt);    /* Pick partial sector */
 #else
-		mem_cpy(rbuff, &fp->buf[fp->fptr % SS(fp->fs)], rcnt);	/* Pick partial sector */
+        mem_cpy(rbuff, &fp->buf[fp->fptr % SS(fp->fs)], rcnt);    /* Pick partial sector */
 #endif
-	}
-
-	LEAVE_FF(fp->fs, FR_OK);
+    }
+
+    LEAVE_FF(fp->fs, FR_OK);
 }
 
 
@@ -2472,115 +2472,115 @@
 /*-----------------------------------------------------------------------*/
 
 FRESULT f_write (
-	FIL *fp,			/* Pointer to the file object */
-	const void *buff,	/* Pointer to the data to be written */
-	UINT btw,			/* Number of bytes to write */
-	UINT *bw			/* Pointer to number of bytes written */
+    FIL *fp,            /* Pointer to the file object */
+    const void *buff,    /* Pointer to the data to be written */
+    UINT btw,            /* Number of bytes to write */
+    UINT *bw            /* Pointer to number of bytes written */
 )
 {
-	FRESULT res;
-	DWORD clst, sect;
-	UINT wcnt, cc;
-	const BYTE *wbuff = (const BYTE*)buff;
-	BYTE csect;
-
-
-	*bw = 0;	/* Initialize byte counter */
-
-	res = validate(fp->fs, fp->id);			/* Check validity */
-	if (res != FR_OK) LEAVE_FF(fp->fs, res);
-	if (fp->flag & FA__ERROR)				/* Aborted file? */
-		LEAVE_FF(fp->fs, FR_INT_ERR);
-	if (!(fp->flag & FA_WRITE))				/* Check access mode */
-		LEAVE_FF(fp->fs, FR_DENIED);
-	if ((DWORD)(fp->fsize + btw) < fp->fsize) btw = 0;	/* File size cannot reach 4GB */
-
-	for ( ;  btw;							/* Repeat until all data written */
-		wbuff += wcnt, fp->fptr += wcnt, *bw += wcnt, btw -= wcnt) {
-		if ((fp->fptr % SS(fp->fs)) == 0) {	/* On the sector boundary? */
-			csect = (BYTE)(fp->fptr / SS(fp->fs) & (fp->fs->csize - 1));	/* Sector offset in the cluster */
-			if (!csect) {					/* On the cluster boundary? */
-				if (fp->fptr == 0) {		/* On the top of the file? */
-					clst = fp->sclust;		/* Follow from the origin */
-					if (clst == 0)			/* When no cluster is allocated, */
-						fp->sclust = clst = create_chain(fp->fs, 0);	/* Create a new cluster chain */
-				} else {					/* Middle or end of the file */
+    FRESULT res;
+    DWORD clst, sect;
+    UINT wcnt, cc;
+    const BYTE *wbuff = (const BYTE*)buff;
+    BYTE csect;
+
+
+    *bw = 0;    /* Initialize byte counter */
+
+    res = validate(fp->fs, fp->id);            /* Check validity */
+    if (res != FR_OK) LEAVE_FF(fp->fs, res);
+    if (fp->flag & FA__ERROR)                /* Aborted file? */
+        LEAVE_FF(fp->fs, FR_INT_ERR);
+    if (!(fp->flag & FA_WRITE))                /* Check access mode */
+        LEAVE_FF(fp->fs, FR_DENIED);
+    if ((DWORD)(fp->fsize + btw) < fp->fsize) btw = 0;    /* File size cannot reach 4GB */
+
+    for ( ;  btw;                            /* Repeat until all data written */
+        wbuff += wcnt, fp->fptr += wcnt, *bw += wcnt, btw -= wcnt) {
+        if ((fp->fptr % SS(fp->fs)) == 0) {    /* On the sector boundary? */
+            csect = (BYTE)(fp->fptr / SS(fp->fs) & (fp->fs->csize - 1));    /* Sector offset in the cluster */
+            if (!csect) {                    /* On the cluster boundary? */
+                if (fp->fptr == 0) {        /* On the top of the file? */
+                    clst = fp->sclust;        /* Follow from the origin */
+                    if (clst == 0)            /* When no cluster is allocated, */
+                        fp->sclust = clst = create_chain(fp->fs, 0);    /* Create a new cluster chain */
+                } else {                    /* Middle or end of the file */
 #if _USE_FASTSEEK
-					if (fp->cltbl)
-						clst = clmt_clust(fp, fp->fptr);	/* Get cluster# from the CLMT */
-					else
+                    if (fp->cltbl)
+                        clst = clmt_clust(fp, fp->fptr);    /* Get cluster# from the CLMT */
+                    else
 #endif
-						clst = create_chain(fp->fs, fp->clust);	/* Follow or stretch cluster chain on the FAT */
-				}
-				if (clst == 0) break;		/* Could not allocate a new cluster (disk full) */
-				if (clst == 1) ABORT(fp->fs, FR_INT_ERR);
-				if (clst == 0xFFFFFFFF) ABORT(fp->fs, FR_DISK_ERR);
-				fp->clust = clst;			/* Update current cluster */
-			}
+                        clst = create_chain(fp->fs, fp->clust);    /* Follow or stretch cluster chain on the FAT */
+                }
+                if (clst == 0) break;        /* Could not allocate a new cluster (disk full) */
+                if (clst == 1) ABORT(fp->fs, FR_INT_ERR);
+                if (clst == 0xFFFFFFFF) ABORT(fp->fs, FR_DISK_ERR);
+                fp->clust = clst;            /* Update current cluster */
+            }
 #if _FS_TINY
-			if (fp->fs->winsect == fp->dsect && move_window(fp->fs, 0))	/* Write-back sector cache */
-				ABORT(fp->fs, FR_DISK_ERR);
+            if (fp->fs->winsect == fp->dsect && move_window(fp->fs, 0))    /* Write-back sector cache */
+                ABORT(fp->fs, FR_DISK_ERR);
 #else
-			if (fp->flag & FA__DIRTY) {		/* Write-back sector cache */
-				if (disk_write(fp->fs->drv, fp->buf, fp->dsect, 1) != RES_OK)
-					ABORT(fp->fs, FR_DISK_ERR);
-				fp->flag &= ~FA__DIRTY;
-			}
+            if (fp->flag & FA__DIRTY) {        /* Write-back sector cache */
+                if (disk_write(fp->fs->drv, fp->buf, fp->dsect, 1) != RES_OK)
+                    ABORT(fp->fs, FR_DISK_ERR);
+                fp->flag &= ~FA__DIRTY;
+            }
 #endif
-			sect = clust2sect(fp->fs, fp->clust);	/* Get current sector */
-			if (!sect) ABORT(fp->fs, FR_INT_ERR);
-			sect += csect;
-			cc = btw / SS(fp->fs);			/* When remaining bytes >= sector size, */
-			if (cc) {						/* Write maximum contiguous sectors directly */
-				if (csect + cc > fp->fs->csize)	/* Clip at cluster boundary */
-					cc = fp->fs->csize - csect;
-				if (disk_write(fp->fs->drv, wbuff, sect, (BYTE)cc) != RES_OK)
-					ABORT(fp->fs, FR_DISK_ERR);
+            sect = clust2sect(fp->fs, fp->clust);    /* Get current sector */
+            if (!sect) ABORT(fp->fs, FR_INT_ERR);
+            sect += csect;
+            cc = btw / SS(fp->fs);            /* When remaining bytes >= sector size, */
+            if (cc) {                        /* Write maximum contiguous sectors directly */
+                if (csect + cc > fp->fs->csize)    /* Clip at cluster boundary */
+                    cc = fp->fs->csize - csect;
+                if (disk_write(fp->fs->drv, wbuff, sect, (BYTE)cc) != RES_OK)
+                    ABORT(fp->fs, FR_DISK_ERR);
 #if _FS_TINY
-				if (fp->fs->winsect - sect < cc) {	/* Refill sector cache if it gets invalidated by the direct write */
-					mem_cpy(fp->fs->win, wbuff + ((fp->fs->winsect - sect) * SS(fp->fs)), SS(fp->fs));
-					fp->fs->wflag = 0;
-				}
+                if (fp->fs->winsect - sect < cc) {    /* Refill sector cache if it gets invalidated by the direct write */
+                    mem_cpy(fp->fs->win, wbuff + ((fp->fs->winsect - sect) * SS(fp->fs)), SS(fp->fs));
+                    fp->fs->wflag = 0;
+                }
 #else
-				if (fp->dsect - sect < cc) { /* Refill sector cache if it gets invalidated by the direct write */
-					mem_cpy(fp->buf, wbuff + ((fp->dsect - sect) * SS(fp->fs)), SS(fp->fs));
-					fp->flag &= ~FA__DIRTY;
-				}
+                if (fp->dsect - sect < cc) { /* Refill sector cache if it gets invalidated by the direct write */
+                    mem_cpy(fp->buf, wbuff + ((fp->dsect - sect) * SS(fp->fs)), SS(fp->fs));
+                    fp->flag &= ~FA__DIRTY;
+                }
 #endif
-				wcnt = SS(fp->fs) * cc;		/* Number of bytes transferred */
-				continue;
-			}
+                wcnt = SS(fp->fs) * cc;        /* Number of bytes transferred */
+                continue;
+            }
 #if _FS_TINY
-			if (fp->fptr >= fp->fsize) {	/* Avoid silly cache filling at growing edge */
-				if (move_window(fp->fs, 0)) ABORT(fp->fs, FR_DISK_ERR);
-				fp->fs->winsect = sect;
-			}
+            if (fp->fptr >= fp->fsize) {    /* Avoid silly cache filling at growing edge */
+                if (move_window(fp->fs, 0)) ABORT(fp->fs, FR_DISK_ERR);
+                fp->fs->winsect = sect;
+            }
 #else
-			if (fp->dsect != sect) {		/* Fill sector cache with file data */
-				if (fp->fptr < fp->fsize &&
-					disk_read(fp->fs->drv, fp->buf, sect, 1) != RES_OK)
-						ABORT(fp->fs, FR_DISK_ERR);
-			}
+            if (fp->dsect != sect) {        /* Fill sector cache with file data */
+                if (fp->fptr < fp->fsize &&
+                    disk_read(fp->fs->drv, fp->buf, sect, 1) != RES_OK)
+                        ABORT(fp->fs, FR_DISK_ERR);
+            }
 #endif
-			fp->dsect = sect;
-		}
-		wcnt = SS(fp->fs) - (fp->fptr % SS(fp->fs));/* Put partial sector into file I/O buffer */
-		if (wcnt > btw) wcnt = btw;
+            fp->dsect = sect;
+        }
+        wcnt = SS(fp->fs) - (fp->fptr % SS(fp->fs));/* Put partial sector into file I/O buffer */
+        if (wcnt > btw) wcnt = btw;
 #if _FS_TINY
-		if (move_window(fp->fs, fp->dsect))	/* Move sector window */
-			ABORT(fp->fs, FR_DISK_ERR);
-		mem_cpy(&fp->fs->win[fp->fptr % SS(fp->fs)], wbuff, wcnt);	/* Fit partial sector */
-		fp->fs->wflag = 1;
+        if (move_window(fp->fs, fp->dsect))    /* Move sector window */
+            ABORT(fp->fs, FR_DISK_ERR);
+        mem_cpy(&fp->fs->win[fp->fptr % SS(fp->fs)], wbuff, wcnt);    /* Fit partial sector */
+        fp->fs->wflag = 1;
 #else
-		mem_cpy(&fp->buf[fp->fptr % SS(fp->fs)], wbuff, wcnt);	/* Fit partial sector */
-		fp->flag |= FA__DIRTY;
+        mem_cpy(&fp->buf[fp->fptr % SS(fp->fs)], wbuff, wcnt);    /* Fit partial sector */
+        fp->flag |= FA__DIRTY;
 #endif
-	}
-
-	if (fp->fptr > fp->fsize) fp->fsize = fp->fptr;	/* Update file size if needed */
-	fp->flag |= FA__WRITTEN;						/* Set file change flag */
-
-	LEAVE_FF(fp->fs, FR_OK);
+    }
+
+    if (fp->fptr > fp->fsize) fp->fsize = fp->fptr;    /* Update file size if needed */
+    fp->flag |= FA__WRITTEN;                        /* Set file change flag */
+
+    LEAVE_FF(fp->fs, FR_OK);
 }
 
 
@@ -2591,41 +2591,41 @@
 /*-----------------------------------------------------------------------*/
 
 FRESULT f_sync (
-	FIL *fp		/* Pointer to the file object */
+    FIL *fp        /* Pointer to the file object */
 )
 {
-	FRESULT res;
-	DWORD tim;
-	BYTE *dir;
-
-
-	res = validate(fp->fs, fp->id);		/* Check validity of the object */
-	if (res == FR_OK) {
-		if (fp->flag & FA__WRITTEN) {	/* Has the file been written? */
-#if !_FS_TINY	/* Write-back dirty buffer */
-			if (fp->flag & FA__DIRTY) {
-				if (disk_write(fp->fs->drv, fp->buf, fp->dsect, 1) != RES_OK)
-					LEAVE_FF(fp->fs, FR_DISK_ERR);
-				fp->flag &= ~FA__DIRTY;
-			}
+    FRESULT res;
+    DWORD tim;
+    BYTE *dir;
+
+
+    res = validate(fp->fs, fp->id);        /* Check validity of the object */
+    if (res == FR_OK) {
+        if (fp->flag & FA__WRITTEN) {    /* Has the file been written? */
+#if !_FS_TINY    /* Write-back dirty buffer */
+            if (fp->flag & FA__DIRTY) {
+                if (disk_write(fp->fs->drv, fp->buf, fp->dsect, 1) != RES_OK)
+                    LEAVE_FF(fp->fs, FR_DISK_ERR);
+                fp->flag &= ~FA__DIRTY;
+            }
 #endif
-			/* Update the directory entry */
-			res = move_window(fp->fs, fp->dir_sect);
-			if (res == FR_OK) {
-				dir = fp->dir_ptr;
-				dir[DIR_Attr] |= AM_ARC;					/* Set archive bit */
-				ST_DWORD(dir+DIR_FileSize, fp->fsize);		/* Update file size */
-				ST_CLUST(dir, fp->sclust);					/* Update start cluster */
-				tim = get_fattime();						/* Update updated time */
-				ST_DWORD(dir+DIR_WrtTime, tim);
-				fp->flag &= ~FA__WRITTEN;
-				fp->fs->wflag = 1;
-				res = sync(fp->fs);
-			}
-		}
-	}
-
-	LEAVE_FF(fp->fs, res);
+            /* Update the directory entry */
+            res = move_window(fp->fs, fp->dir_sect);
+            if (res == FR_OK) {
+                dir = fp->dir_ptr;
+                dir[DIR_Attr] |= AM_ARC;                    /* Set archive bit */
+                ST_DWORD(dir+DIR_FileSize, fp->fsize);        /* Update file size */
+                ST_CLUST(dir, fp->sclust);                    /* Update start cluster */
+                tim = get_fattime();                        /* Update updated time */
+                ST_DWORD(dir+DIR_WrtTime, tim);
+                fp->flag &= ~FA__WRITTEN;
+                fp->fs->wflag = 1;
+                res = sync(fp->fs);
+            }
+        }
+    }
+
+    LEAVE_FF(fp->fs, res);
 }
 
 #endif /* !_FS_READONLY */
@@ -2638,34 +2638,34 @@
 /*-----------------------------------------------------------------------*/
 
 FRESULT f_close (
-	FIL *fp		/* Pointer to the file object to be closed */
+    FIL *fp        /* Pointer to the file object to be closed */
 )
 {
-	FRESULT res;
+    FRESULT res;
 
 #if _FS_READONLY
-	FATFS *fs = fp->fs;
-	res = validate(fs, fp->id);
-	if (res == FR_OK) fp->fs = 0;	/* Discard file object */
-	LEAVE_FF(fs, res);
+    FATFS *fs = fp->fs;
+    res = validate(fs, fp->id);
+    if (res == FR_OK) fp->fs = 0;    /* Discard file object */
+    LEAVE_FF(fs, res);
 
 #else
-	res = f_sync(fp);		/* Flush cached data */
+    res = f_sync(fp);        /* Flush cached data */
 #if _FS_SHARE
-	if (res == FR_OK) {		/* Decrement open counter */
+    if (res == FR_OK) {        /* Decrement open counter */
 #if _FS_REENTRANT
-		res = validate(fp->fs, fp->id);
-		if (res == FR_OK) {
-			res = dec_lock(fp->lockid);	
-			unlock_fs(fp->fs, FR_OK);
-		}
+        res = validate(fp->fs, fp->id);
+        if (res == FR_OK) {
+            res = dec_lock(fp->lockid);    
+            unlock_fs(fp->fs, FR_OK);
+        }
 #else
-		res = dec_lock(fp->lockid);
+        res = dec_lock(fp->lockid);
 #endif
-	}
+    }
 #endif
-	if (res == FR_OK) fp->fs = 0;	/* Discard file object */
-	return res;
+    if (res == FR_OK) fp->fs = 0;    /* Discard file object */
+    return res;
 #endif
 }
 
@@ -2679,117 +2679,117 @@
 #if _FS_RPATH >= 1
 
 FRESULT f_chdrive (
-	BYTE drv		/* Drive number */
+    BYTE drv        /* Drive number */
 )
 {
-	if (drv >= _VOLUMES) return FR_INVALID_DRIVE;
-
-	CurrVol = drv;
-
-	return FR_OK;
+    if (drv >= _VOLUMES) return FR_INVALID_DRIVE;
+
+    CurrVol = drv;
+
+    return FR_OK;
 }
 
 
 
 FRESULT f_chdir (
-	const TCHAR *path	/* Pointer to the directory path */
+    const TCHAR *path    /* Pointer to the directory path */
 )
 {
-	FRESULT res;
-	FATFS_DIR dj;
-	DEF_NAMEBUF;
-
-
-	res = chk_mounted(&path, &dj.fs, 0);
-	if (res == FR_OK) {
-		INIT_BUF(dj);
-		res = follow_path(&dj, path);		/* Follow the path */
-		FREE_BUF();
-		if (res == FR_OK) {					/* Follow completed */
-			if (!dj.dir) {
-				dj.fs->cdir = dj.sclust;	/* Start directory itself */
-			} else {
-				if (dj.dir[DIR_Attr] & AM_DIR)	/* Reached to the directory */
-					dj.fs->cdir = LD_CLUST(dj.dir);
-				else
-					res = FR_NO_PATH;		/* Reached but a file */
-			}
-		}
-		if (res == FR_NO_FILE) res = FR_NO_PATH;
-	}
-
-	LEAVE_FF(dj.fs, res);
+    FRESULT res;
+    FATFS_DIR dj;
+    DEF_NAMEBUF;
+
+
+    res = chk_mounted(&path, &dj.fs, 0);
+    if (res == FR_OK) {
+        INIT_BUF(dj);
+        res = follow_path(&dj, path);        /* Follow the path */
+        FREE_BUF();
+        if (res == FR_OK) {                    /* Follow completed */
+            if (!dj.dir) {
+                dj.fs->cdir = dj.sclust;    /* Start directory itself */
+            } else {
+                if (dj.dir[DIR_Attr] & AM_DIR)    /* Reached to the directory */
+                    dj.fs->cdir = LD_CLUST(dj.dir);
+                else
+                    res = FR_NO_PATH;        /* Reached but a file */
+            }
+        }
+        if (res == FR_NO_FILE) res = FR_NO_PATH;
+    }
+
+    LEAVE_FF(dj.fs, res);
 }
 
 
 #if _FS_RPATH >= 2
 FRESULT f_getcwd (
-	TCHAR *path,	/* Pointer to the directory path */
-	UINT sz_path	/* Size of path */
+    TCHAR *path,    /* Pointer to the directory path */
+    UINT sz_path    /* Size of path */
 )
 {
-	FRESULT res;
-	FATFS_DIR dj;
-	UINT i, n;
-	DWORD ccl;
-	TCHAR *tp;
-	FILINFO fno;
-	DEF_NAMEBUF;
-
-
-	*path = 0;
-	res = chk_mounted((const TCHAR**)&path, &dj.fs, 0);	/* Get current volume */
-	if (res == FR_OK) {
-		INIT_BUF(dj);
-		i = sz_path;		/* Bottom of buffer (dir stack base) */
-		dj.sclust = dj.fs->cdir;			/* Start to follow upper dir from current dir */
-		while ((ccl = dj.sclust) != 0) {	/* Repeat while current dir is a sub-dir */
-			res = dir_sdi(&dj, 1);			/* Get parent dir */
-			if (res != FR_OK) break;
-			res = dir_read(&dj);
-			if (res != FR_OK) break;
-			dj.sclust = LD_CLUST(dj.dir);	/* Goto parent dir */
-			res = dir_sdi(&dj, 0);
-			if (res != FR_OK) break;
-			do {							/* Find the entry links to the child dir */
-				res = dir_read(&dj);
-				if (res != FR_OK) break;
-				if (ccl == LD_CLUST(dj.dir)) break;	/* Found the entry */
-				res = dir_next(&dj, 0);	
-			} while (res == FR_OK);
-			if (res == FR_NO_FILE) res = FR_INT_ERR;/* It cannot be 'not found'. */
-			if (res != FR_OK) break;
+    FRESULT res;
+    FATFS_DIR dj;
+    UINT i, n;
+    DWORD ccl;
+    TCHAR *tp;
+    FILINFO fno;
+    DEF_NAMEBUF;
+
+
+    *path = 0;
+    res = chk_mounted((const TCHAR**)&path, &dj.fs, 0);    /* Get current volume */
+    if (res == FR_OK) {
+        INIT_BUF(dj);
+        i = sz_path;        /* Bottom of buffer (dir stack base) */
+        dj.sclust = dj.fs->cdir;            /* Start to follow upper dir from current dir */
+        while ((ccl = dj.sclust) != 0) {    /* Repeat while current dir is a sub-dir */
+            res = dir_sdi(&dj, 1);            /* Get parent dir */
+            if (res != FR_OK) break;
+            res = dir_read(&dj);
+            if (res != FR_OK) break;
+            dj.sclust = LD_CLUST(dj.dir);    /* Goto parent dir */
+            res = dir_sdi(&dj, 0);
+            if (res != FR_OK) break;
+            do {                            /* Find the entry links to the child dir */
+                res = dir_read(&dj);
+                if (res != FR_OK) break;
+                if (ccl == LD_CLUST(dj.dir)) break;    /* Found the entry */
+                res = dir_next(&dj, 0);    
+            } while (res == FR_OK);
+            if (res == FR_NO_FILE) res = FR_INT_ERR;/* It cannot be 'not found'. */
+            if (res != FR_OK) break;
 #if _USE_LFN
-			fno.lfname = path;
-			fno.lfsize = i;
+            fno.lfname = path;
+            fno.lfsize = i;
 #endif
-			get_fileinfo(&dj, &fno);		/* Get the dir name and push it to the buffer */
-			tp = fno.fname;
-			if (_USE_LFN && *path) tp = path;
-			for (n = 0; tp[n]; n++) ;
-			if (i < n + 3) {
-				res = FR_NOT_ENOUGH_CORE; break;
-			}
-			while (n) path[--i] = tp[--n];
-			path[--i] = '/';
-		}
-		tp = path;
-		if (res == FR_OK) {
-			*tp++ = '0' + CurrVol;			/* Put drive number */
-			*tp++ = ':';
-			if (i == sz_path) {				/* Root-dir */
-				*tp++ = '/';
-			} else {						/* Sub-dir */
-				do		/* Add stacked path str */
-					*tp++ = path[i++];
-				while (i < sz_path);
-			}
-		}
-		*tp = 0;
-		FREE_BUF();
-	}
-
-	LEAVE_FF(dj.fs, res);
+            get_fileinfo(&dj, &fno);        /* Get the dir name and push it to the buffer */
+            tp = fno.fname;
+            if (_USE_LFN && *path) tp = path;
+            for (n = 0; tp[n]; n++) ;
+            if (i < n + 3) {
+                res = FR_NOT_ENOUGH_CORE; break;
+            }
+            while (n) path[--i] = tp[--n];
+            path[--i] = '/';
+        }
+        tp = path;
+        if (res == FR_OK) {
+            *tp++ = '0' + CurrVol;            /* Put drive number */
+            *tp++ = ':';
+            if (i == sz_path) {                /* Root-dir */
+                *tp++ = '/';
+            } else {                        /* Sub-dir */
+                do        /* Add stacked path str */
+                    *tp++ = path[i++];
+                while (i < sz_path);
+            }
+        }
+        *tp = 0;
+        FREE_BUF();
+    }
+
+    LEAVE_FF(dj.fs, res);
 }
 #endif /* _FS_RPATH >= 2 */
 #endif /* _FS_RPATH >= 1 */
@@ -2802,154 +2802,154 @@
 /*-----------------------------------------------------------------------*/
 
 FRESULT f_lseek (
-	FIL *fp,		/* Pointer to the file object */
-	DWORD ofs		/* File pointer from top of file */
+    FIL *fp,        /* Pointer to the file object */
+    DWORD ofs        /* File pointer from top of file */
 )
 {
-	FRESULT res;
-
-
-	res = validate(fp->fs, fp->id);		/* Check validity of the object */
-	if (res != FR_OK) LEAVE_FF(fp->fs, res);
-	if (fp->flag & FA__ERROR)			/* Check abort flag */
-		LEAVE_FF(fp->fs, FR_INT_ERR);
+    FRESULT res;
+
+
+    res = validate(fp->fs, fp->id);        /* Check validity of the object */
+    if (res != FR_OK) LEAVE_FF(fp->fs, res);
+    if (fp->flag & FA__ERROR)            /* Check abort flag */
+        LEAVE_FF(fp->fs, FR_INT_ERR);
 
 #if _USE_FASTSEEK
-	if (fp->cltbl) {	/* Fast seek */
-		DWORD cl, pcl, ncl, tcl, dsc, tlen, ulen, *tbl;
-
-		if (ofs == CREATE_LINKMAP) {	/* Create CLMT */
-			tbl = fp->cltbl;
-			tlen = *tbl++; ulen = 2;	/* Given table size and required table size */
-			cl = fp->sclust;			/* Top of the chain */
-			if (cl) {
-				do {
-					/* Get a fragment */
-					tcl = cl; ncl = 0; ulen += 2;	/* Top, length and used items */
-					do {
-						pcl = cl; ncl++;
-						cl = get_fat(fp->fs, cl);
-						if (cl <= 1) ABORT(fp->fs, FR_INT_ERR);
-						if (cl == 0xFFFFFFFF) ABORT(fp->fs, FR_DISK_ERR);
-					} while (cl == pcl + 1);
-					if (ulen <= tlen) {		/* Store the length and top of the fragment */
-						*tbl++ = ncl; *tbl++ = tcl;
-					}
-				} while (cl < fp->fs->n_fatent);	/* Repeat until end of chain */
-			}
-			*fp->cltbl = ulen;	/* Number of items used */
-			if (ulen <= tlen)
-				*tbl = 0;		/* Terminate table */
-			else
-				res = FR_NOT_ENOUGH_CORE;	/* Given table size is smaller than required */
-
-		} else {						/* Fast seek */
-			if (ofs > fp->fsize)		/* Clip offset at the file size */
-				ofs = fp->fsize;
-			fp->fptr = ofs;				/* Set file pointer */
-			if (ofs) {
-				fp->clust = clmt_clust(fp, ofs - 1);
-				dsc = clust2sect(fp->fs, fp->clust);
-				if (!dsc) ABORT(fp->fs, FR_INT_ERR);
-				dsc += (ofs - 1) / SS(fp->fs) & (fp->fs->csize - 1);
-				if (fp->fptr % SS(fp->fs) && dsc != fp->dsect) {	/* Refill sector cache if needed */
+    if (fp->cltbl) {    /* Fast seek */
+        DWORD cl, pcl, ncl, tcl, dsc, tlen, ulen, *tbl;
+
+        if (ofs == CREATE_LINKMAP) {    /* Create CLMT */
+            tbl = fp->cltbl;
+            tlen = *tbl++; ulen = 2;    /* Given table size and required table size */
+            cl = fp->sclust;            /* Top of the chain */
+            if (cl) {
+                do {
+                    /* Get a fragment */
+                    tcl = cl; ncl = 0; ulen += 2;    /* Top, length and used items */
+                    do {
+                        pcl = cl; ncl++;
+                        cl = get_fat(fp->fs, cl);
+                        if (cl <= 1) ABORT(fp->fs, FR_INT_ERR);
+                        if (cl == 0xFFFFFFFF) ABORT(fp->fs, FR_DISK_ERR);
+                    } while (cl == pcl + 1);
+                    if (ulen <= tlen) {        /* Store the length and top of the fragment */
+                        *tbl++ = ncl; *tbl++ = tcl;
+                    }
+                } while (cl < fp->fs->n_fatent);    /* Repeat until end of chain */
+            }
+            *fp->cltbl = ulen;    /* Number of items used */
+            if (ulen <= tlen)
+                *tbl = 0;        /* Terminate table */
+            else
+                res = FR_NOT_ENOUGH_CORE;    /* Given table size is smaller than required */
+
+        } else {                        /* Fast seek */
+            if (ofs > fp->fsize)        /* Clip offset at the file size */
+                ofs = fp->fsize;
+            fp->fptr = ofs;                /* Set file pointer */
+            if (ofs) {
+                fp->clust = clmt_clust(fp, ofs - 1);
+                dsc = clust2sect(fp->fs, fp->clust);
+                if (!dsc) ABORT(fp->fs, FR_INT_ERR);
+                dsc += (ofs - 1) / SS(fp->fs) & (fp->fs->csize - 1);
+                if (fp->fptr % SS(fp->fs) && dsc != fp->dsect) {    /* Refill sector cache if needed */
 #if !_FS_TINY
 #if !_FS_READONLY
-					if (fp->flag & FA__DIRTY) {		/* Write-back dirty sector cache */
-						if (disk_write(fp->fs->drv, fp->buf, fp->dsect, 1) != RES_OK)
-							ABORT(fp->fs, FR_DISK_ERR);
-						fp->flag &= ~FA__DIRTY;
-					}
+                    if (fp->flag & FA__DIRTY) {        /* Write-back dirty sector cache */
+                        if (disk_write(fp->fs->drv, fp->buf, fp->dsect, 1) != RES_OK)
+                            ABORT(fp->fs, FR_DISK_ERR);
+                        fp->flag &= ~FA__DIRTY;
+                    }
 #endif
-					if (disk_read(fp->fs->drv, fp->buf, dsc, 1) != RES_OK)	/* Load current sector */
-						ABORT(fp->fs, FR_DISK_ERR);
+                    if (disk_read(fp->fs->drv, fp->buf, dsc, 1) != RES_OK)    /* Load current sector */
+                        ABORT(fp->fs, FR_DISK_ERR);
 #endif
-					fp->dsect = dsc;
-				}
-			}
-		}
-	} else
+                    fp->dsect = dsc;
+                }
+            }
+        }
+    } else
 #endif
 
-	/* Normal Seek */
-	{
-		DWORD clst, bcs, nsect, ifptr;
-
-		if (ofs > fp->fsize					/* In read-only mode, clip offset with the file size */
+    /* Normal Seek */
+    {
+        DWORD clst, bcs, nsect, ifptr;
+
+        if (ofs > fp->fsize                    /* In read-only mode, clip offset with the file size */
 #if !_FS_READONLY
-			 && !(fp->flag & FA_WRITE)
+             && !(fp->flag & FA_WRITE)
 #endif
-			) ofs = fp->fsize;
-
-		ifptr = fp->fptr;
-		fp->fptr = nsect = 0;
-		if (ofs) {
-			bcs = (DWORD)fp->fs->csize * SS(fp->fs);	/* Cluster size (byte) */
-			if (ifptr > 0 &&
-				(ofs - 1) / bcs >= (ifptr - 1) / bcs) {	/* When seek to same or following cluster, */
-				fp->fptr = (ifptr - 1) & ~(bcs - 1);	/* start from the current cluster */
-				ofs -= fp->fptr;
-				clst = fp->clust;
-			} else {									/* When seek to back cluster, */
-				clst = fp->sclust;						/* start from the first cluster */
+            ) ofs = fp->fsize;
+
+        ifptr = fp->fptr;
+        fp->fptr = nsect = 0;
+        if (ofs) {
+            bcs = (DWORD)fp->fs->csize * SS(fp->fs);    /* Cluster size (byte) */
+            if (ifptr > 0 &&
+                (ofs - 1) / bcs >= (ifptr - 1) / bcs) {    /* When seek to same or following cluster, */
+                fp->fptr = (ifptr - 1) & ~(bcs - 1);    /* start from the current cluster */
+                ofs -= fp->fptr;
+                clst = fp->clust;
+            } else {                                    /* When seek to back cluster, */
+                clst = fp->sclust;                        /* start from the first cluster */
 #if !_FS_READONLY
-				if (clst == 0) {						/* If no cluster chain, create a new chain */
-					clst = create_chain(fp->fs, 0);
-					if (clst == 1) ABORT(fp->fs, FR_INT_ERR);
-					if (clst == 0xFFFFFFFF) ABORT(fp->fs, FR_DISK_ERR);
-					fp->sclust = clst;
-				}
+                if (clst == 0) {                        /* If no cluster chain, create a new chain */
+                    clst = create_chain(fp->fs, 0);
+                    if (clst == 1) ABORT(fp->fs, FR_INT_ERR);
+                    if (clst == 0xFFFFFFFF) ABORT(fp->fs, FR_DISK_ERR);
+                    fp->sclust = clst;
+                }
 #endif
-				fp->clust = clst;
-			}
-			if (clst != 0) {
-				while (ofs > bcs) {						/* Cluster following loop */
+                fp->clust = clst;
+            }
+            if (clst != 0) {
+                while (ofs > bcs) {                        /* Cluster following loop */
 #if !_FS_READONLY
-					if (fp->flag & FA_WRITE) {			/* Check if in write mode or not */
-						clst = create_chain(fp->fs, clst);	/* Force stretch if in write mode */
-						if (clst == 0) {				/* When disk gets full, clip file size */
-							ofs = bcs; break;
-						}
-					} else
+                    if (fp->flag & FA_WRITE) {            /* Check if in write mode or not */
+                        clst = create_chain(fp->fs, clst);    /* Force stretch if in write mode */
+                        if (clst == 0) {                /* When disk gets full, clip file size */
+                            ofs = bcs; break;
+                        }
+                    } else
 #endif
-						clst = get_fat(fp->fs, clst);	/* Follow cluster chain if not in write mode */
-					if (clst == 0xFFFFFFFF) ABORT(fp->fs, FR_DISK_ERR);
-					if (clst <= 1 || clst >= fp->fs->n_fatent) ABORT(fp->fs, FR_INT_ERR);
-					fp->clust = clst;
-					fp->fptr += bcs;
-					ofs -= bcs;
-				}
-				fp->fptr += ofs;
-				if (ofs % SS(fp->fs)) {
-					nsect = clust2sect(fp->fs, clst);	/* Current sector */
-					if (!nsect) ABORT(fp->fs, FR_INT_ERR);
-					nsect += ofs / SS(fp->fs);
-				}
-			}
-		}
-		if (fp->fptr % SS(fp->fs) && nsect != fp->dsect) {	/* Fill sector cache if needed */
+                        clst = get_fat(fp->fs, clst);    /* Follow cluster chain if not in write mode */
+                    if (clst == 0xFFFFFFFF) ABORT(fp->fs, FR_DISK_ERR);
+                    if (clst <= 1 || clst >= fp->fs->n_fatent) ABORT(fp->fs, FR_INT_ERR);
+                    fp->clust = clst;
+                    fp->fptr += bcs;
+                    ofs -= bcs;
+                }
+                fp->fptr += ofs;
+                if (ofs % SS(fp->fs)) {
+                    nsect = clust2sect(fp->fs, clst);    /* Current sector */
+                    if (!nsect) ABORT(fp->fs, FR_INT_ERR);
+                    nsect += ofs / SS(fp->fs);
+                }
+            }
+        }
+        if (fp->fptr % SS(fp->fs) && nsect != fp->dsect) {    /* Fill sector cache if needed */
 #if !_FS_TINY
 #if !_FS_READONLY
-			if (fp->flag & FA__DIRTY) {			/* Write-back dirty sector cache */
-				if (disk_write(fp->fs->drv, fp->buf, fp->dsect, 1) != RES_OK)
-					ABORT(fp->fs, FR_DISK_ERR);
-				fp->flag &= ~FA__DIRTY;
-			}
+            if (fp->flag & FA__DIRTY) {            /* Write-back dirty sector cache */
+                if (disk_write(fp->fs->drv, fp->buf, fp->dsect, 1) != RES_OK)
+                    ABORT(fp->fs, FR_DISK_ERR);
+                fp->flag &= ~FA__DIRTY;
+            }
 #endif
-			if (disk_read(fp->fs->drv, fp->buf, nsect, 1) != RES_OK)	/* Fill sector cache */
-				ABORT(fp->fs, FR_DISK_ERR);
+            if (disk_read(fp->fs->drv, fp->buf, nsect, 1) != RES_OK)    /* Fill sector cache */
+                ABORT(fp->fs, FR_DISK_ERR);
 #endif
-			fp->dsect = nsect;
-		}
+            fp->dsect = nsect;
+        }
 #if !_FS_READONLY
-		if (fp->fptr > fp->fsize) {			/* Set file change flag if the file size is extended */
-			fp->fsize = fp->fptr;
-			fp->flag |= FA__WRITTEN;
-		}
+        if (fp->fptr > fp->fsize) {            /* Set file change flag if the file size is extended */
+            fp->fsize = fp->fptr;
+            fp->flag |= FA__WRITTEN;
+        }
 #endif
-	}
-
-	LEAVE_FF(fp->fs, res);
+    }
+
+    LEAVE_FF(fp->fs, res);
 }
 
 
@@ -2960,36 +2960,36 @@
 /*-----------------------------------------------------------------------*/
 
 FRESULT f_opendir (
-	FATFS_DIR *dj,			/* Pointer to directory object to create */
-	const TCHAR *path	/* Pointer to the directory path */
+    FATFS_DIR *dj,            /* Pointer to directory object to create */
+    const TCHAR *path    /* Pointer to the directory path */
 )
 {
-	FRESULT res;
-	DEF_NAMEBUF;
-
-
-	res = chk_mounted(&path, &dj->fs, 0);
-	if (res == FR_OK) {
-		INIT_BUF(*dj);
-		res = follow_path(dj, path);			/* Follow the path to the directory */
-		FREE_BUF();
-		if (res == FR_OK) {						/* Follow completed */
-			if (dj->dir) {						/* It is not the root dir */
-				if (dj->dir[DIR_Attr] & AM_DIR) {	/* The object is a directory */
-					dj->sclust = LD_CLUST(dj->dir);
-				} else {						/* The object is not a directory */
-					res = FR_NO_PATH;
-				}
-			}
-			if (res == FR_OK) {
-				dj->id = dj->fs->id;
-				res = dir_sdi(dj, 0);			/* Rewind dir */
-			}
-		}
-		if (res == FR_NO_FILE) res = FR_NO_PATH;
-	}
-
-	LEAVE_FF(dj->fs, res);
+    FRESULT res;
+    DEF_NAMEBUF;
+
+
+    res = chk_mounted(&path, &dj->fs, 0);
+    if (res == FR_OK) {
+        INIT_BUF(*dj);
+        res = follow_path(dj, path);            /* Follow the path to the directory */
+        FREE_BUF();
+        if (res == FR_OK) {                        /* Follow completed */
+            if (dj->dir) {                        /* It is not the root dir */
+                if (dj->dir[DIR_Attr] & AM_DIR) {    /* The object is a directory */
+                    dj->sclust = LD_CLUST(dj->dir);
+                } else {                        /* The object is not a directory */
+                    res = FR_NO_PATH;
+                }
+            }
+            if (res == FR_OK) {
+                dj->id = dj->fs->id;
+                res = dir_sdi(dj, 0);            /* Rewind dir */
+            }
+        }
+        if (res == FR_NO_FILE) res = FR_NO_PATH;
+    }
+
+    LEAVE_FF(dj->fs, res);
 }
 
 
@@ -3000,38 +3000,38 @@
 /*-----------------------------------------------------------------------*/
 
 FRESULT f_readdir (
-	FATFS_DIR *dj,			/* Pointer to the open directory object */
-	FILINFO *fno		/* Pointer to file information to return */
+    FATFS_DIR *dj,            /* Pointer to the open directory object */
+    FILINFO *fno        /* Pointer to file information to return */
 )
 {
-	FRESULT res;
-	DEF_NAMEBUF;
-
-
-	res = validate(dj->fs, dj->id);			/* Check validity of the object */
-	if (res == FR_OK) {
-		if (!fno) {
-			res = dir_sdi(dj, 0);			/* Rewind the directory object */
-		} else {
-			INIT_BUF(*dj);
-			res = dir_read(dj);				/* Read an directory item */
-			if (res == FR_NO_FILE) {		/* Reached end of dir */
-				dj->sect = 0;
-				res = FR_OK;
-			}
-			if (res == FR_OK) {				/* A valid entry is found */
-				get_fileinfo(dj, fno);		/* Get the object information */
-				res = dir_next(dj, 0);		/* Increment index for next */
-				if (res == FR_NO_FILE) {
-					dj->sect = 0;
-					res = FR_OK;
-				}
-			}
-			FREE_BUF();
-		}
-	}
-
-	LEAVE_FF(dj->fs, res);
+    FRESULT res;
+    DEF_NAMEBUF;
+
+
+    res = validate(dj->fs, dj->id);            /* Check validity of the object */
+    if (res == FR_OK) {
+        if (!fno) {
+            res = dir_sdi(dj, 0);            /* Rewind the directory object */
+        } else {
+            INIT_BUF(*dj);
+            res = dir_read(dj);                /* Read an directory item */
+            if (res == FR_NO_FILE) {        /* Reached end of dir */
+                dj->sect = 0;
+                res = FR_OK;
+            }
+            if (res == FR_OK) {                /* A valid entry is found */
+                get_fileinfo(dj, fno);        /* Get the object information */
+                res = dir_next(dj, 0);        /* Increment index for next */
+                if (res == FR_NO_FILE) {
+                    dj->sect = 0;
+                    res = FR_OK;
+                }
+            }
+            FREE_BUF();
+        }
+    }
+
+    LEAVE_FF(dj->fs, res);
 }
 
 
@@ -3042,29 +3042,29 @@
 /*-----------------------------------------------------------------------*/
 
 FRESULT f_stat (
-	const TCHAR *path,	/* Pointer to the file path */
-	FILINFO *fno		/* Pointer to file information to return */
+    const TCHAR *path,    /* Pointer to the file path */
+    FILINFO *fno        /* Pointer to file information to return */
 )
 {
-	FRESULT res;
-	FATFS_DIR dj;
-	DEF_NAMEBUF;
-
-
-	res = chk_mounted(&path, &dj.fs, 0);
-	if (res == FR_OK) {
-		INIT_BUF(dj);
-		res = follow_path(&dj, path);	/* Follow the file path */
-		if (res == FR_OK) {				/* Follow completed */
-			if (dj.dir)		/* Found an object */
-				get_fileinfo(&dj, fno);
-			else			/* It is root dir */
-				res = FR_INVALID_NAME;
-		}
-		FREE_BUF();
-	}
-
-	LEAVE_FF(dj.fs, res);
+    FRESULT res;
+    FATFS_DIR dj;
+    DEF_NAMEBUF;
+
+
+    res = chk_mounted(&path, &dj.fs, 0);
+    if (res == FR_OK) {
+        INIT_BUF(dj);
+        res = follow_path(&dj, path);    /* Follow the file path */
+        if (res == FR_OK) {                /* Follow completed */
+            if (dj.dir)        /* Found an object */
+                get_fileinfo(&dj, fno);
+            else            /* It is root dir */
+                res = FR_INVALID_NAME;
+        }
+        FREE_BUF();
+    }
+
+    LEAVE_FF(dj.fs, res);
 }
 
 
@@ -3075,61 +3075,61 @@
 /*-----------------------------------------------------------------------*/
 
 FRESULT f_getfree (
-	const TCHAR *path,	/* Pointer to the logical drive number (root dir) */
-	DWORD *nclst,		/* Pointer to the variable to return number of free clusters */
-	FATFS **fatfs		/* Pointer to pointer to corresponding file system object to return */
+    const TCHAR *path,    /* Pointer to the logical drive number (root dir) */
+    DWORD *nclst,        /* Pointer to the variable to return number of free clusters */
+    FATFS **fatfs        /* Pointer to pointer to corresponding file system object to return */
 )
 {
-	FRESULT res;
-	DWORD n, clst, sect, stat;
-	UINT i;
-	BYTE fat, *p;
-
-
-	/* Get drive number */
-	res = chk_mounted(&path, fatfs, 0);
-	if (res == FR_OK) {
-		/* If free_clust is valid, return it without full cluster scan */
-		if ((*fatfs)->free_clust <= (*fatfs)->n_fatent - 2) {
-			*nclst = (*fatfs)->free_clust;
-		} else {
-			/* Get number of free clusters */
-			fat = (*fatfs)->fs_type;
-			n = 0;
-			if (fat == FS_FAT12) {
-				clst = 2;
-				do {
-					stat = get_fat(*fatfs, clst);
-					if (stat == 0xFFFFFFFF) { res = FR_DISK_ERR; break; }
-					if (stat == 1) { res = FR_INT_ERR; break; }
-					if (stat == 0) n++;
-				} while (++clst < (*fatfs)->n_fatent);
-			} else {
-				clst = (*fatfs)->n_fatent;
-				sect = (*fatfs)->fatbase;
-				i = 0; p = 0;
-				do {
-					if (!i) {
-						res = move_window(*fatfs, sect++);
-						if (res != FR_OK) break;
-						p = (*fatfs)->win;
-						i = SS(*fatfs);
-					}
-					if (fat == FS_FAT16) {
-						if (LD_WORD(p) == 0) n++;
-						p += 2; i -= 2;
-					} else {
-						if ((LD_DWORD(p) & 0x0FFFFFFF) == 0) n++;
-						p += 4; i -= 4;
-					}
-				} while (--clst);
-			}
-			(*fatfs)->free_clust = n;
-			if (fat == FS_FAT32) (*fatfs)->fsi_flag = 1;
-			*nclst = n;
-		}
-	}
-	LEAVE_FF(*fatfs, res);
+    FRESULT res;
+    DWORD n, clst, sect, stat;
+    UINT i;
+    BYTE fat, *p;
+
+
+    /* Get drive number */
+    res = chk_mounted(&path, fatfs, 0);
+    if (res == FR_OK) {
+        /* If free_clust is valid, return it without full cluster scan */
+        if ((*fatfs)->free_clust <= (*fatfs)->n_fatent - 2) {
+            *nclst = (*fatfs)->free_clust;
+        } else {
+            /* Get number of free clusters */
+            fat = (*fatfs)->fs_type;
+            n = 0;
+            if (fat == FS_FAT12) {
+                clst = 2;
+                do {
+                    stat = get_fat(*fatfs, clst);
+                    if (stat == 0xFFFFFFFF) { res = FR_DISK_ERR; break; }
+                    if (stat == 1) { res = FR_INT_ERR; break; }
+                    if (stat == 0) n++;
+                } while (++clst < (*fatfs)->n_fatent);
+            } else {
+                clst = (*fatfs)->n_fatent;
+                sect = (*fatfs)->fatbase;
+                i = 0; p = 0;
+                do {
+                    if (!i) {
+                        res = move_window(*fatfs, sect++);
+                        if (res != FR_OK) break;
+                        p = (*fatfs)->win;
+                        i = SS(*fatfs);
+                    }
+                    if (fat == FS_FAT16) {
+                        if (LD_WORD(p) == 0) n++;
+                        p += 2; i -= 2;
+                    } else {
+                        if ((LD_DWORD(p) & 0x0FFFFFFF) == 0) n++;
+                        p += 4; i -= 4;
+                    }
+                } while (--clst);
+            }
+            (*fatfs)->free_clust = n;
+            if (fat == FS_FAT32) (*fatfs)->fsi_flag = 1;
+            *nclst = n;
+        }
+    }
+    LEAVE_FF(*fatfs, res);
 }
 
 
@@ -3140,44 +3140,44 @@
 /*-----------------------------------------------------------------------*/
 
 FRESULT f_truncate (
-	FIL *fp		/* Pointer to the file object */
+    FIL *fp        /* Pointer to the file object */
 )
 {
-	FRESULT res;
-	DWORD ncl;
-
-
-	res = validate(fp->fs, fp->id);		/* Check validity of the object */
-	if (res == FR_OK) {
-		if (fp->flag & FA__ERROR) {			/* Check abort flag */
-			res = FR_INT_ERR;
-		} else {
-			if (!(fp->flag & FA_WRITE))		/* Check access mode */
-				res = FR_DENIED;
-		}
-	}
-	if (res == FR_OK) {
-		if (fp->fsize > fp->fptr) {
-			fp->fsize = fp->fptr;	/* Set file size to current R/W point */
-			fp->flag |= FA__WRITTEN;
-			if (fp->fptr == 0) {	/* When set file size to zero, remove entire cluster chain */
-				res = remove_chain(fp->fs, fp->sclust);
-				fp->sclust = 0;
-			} else {				/* When truncate a part of the file, remove remaining clusters */
-				ncl = get_fat(fp->fs, fp->clust);
-				res = FR_OK;
-				if (ncl == 0xFFFFFFFF) res = FR_DISK_ERR;
-				if (ncl == 1) res = FR_INT_ERR;
-				if (res == FR_OK && ncl < fp->fs->n_fatent) {
-					res = put_fat(fp->fs, fp->clust, 0x0FFFFFFF);
-					if (res == FR_OK) res = remove_chain(fp->fs, ncl);
-				}
-			}
-		}
-		if (res != FR_OK) fp->flag |= FA__ERROR;
-	}
-
-	LEAVE_FF(fp->fs, res);
+    FRESULT res;
+    DWORD ncl;
+
+
+    res = validate(fp->fs, fp->id);        /* Check validity of the object */
+    if (res == FR_OK) {
+        if (fp->flag & FA__ERROR) {            /* Check abort flag */
+            res = FR_INT_ERR;
+        } else {
+            if (!(fp->flag & FA_WRITE))        /* Check access mode */
+                res = FR_DENIED;
+        }
+    }
+    if (res == FR_OK) {
+        if (fp->fsize > fp->fptr) {
+            fp->fsize = fp->fptr;    /* Set file size to current R/W point */
+            fp->flag |= FA__WRITTEN;
+            if (fp->fptr == 0) {    /* When set file size to zero, remove entire cluster chain */
+                res = remove_chain(fp->fs, fp->sclust);
+                fp->sclust = 0;
+            } else {                /* When truncate a part of the file, remove remaining clusters */
+                ncl = get_fat(fp->fs, fp->clust);
+                res = FR_OK;
+                if (ncl == 0xFFFFFFFF) res = FR_DISK_ERR;
+                if (ncl == 1) res = FR_INT_ERR;
+                if (res == FR_OK && ncl < fp->fs->n_fatent) {
+                    res = put_fat(fp->fs, fp->clust, 0x0FFFFFFF);
+                    if (res == FR_OK) res = remove_chain(fp->fs, ncl);
+                }
+            }
+        }
+        if (res != FR_OK) fp->flag |= FA__ERROR;
+    }
+
+    LEAVE_FF(fp->fs, res);
 }
 
 
@@ -3188,64 +3188,64 @@
 /*-----------------------------------------------------------------------*/
 
 FRESULT f_unlink (
-	const TCHAR *path		/* Pointer to the file or directory path */
+    const TCHAR *path        /* Pointer to the file or directory path */
 )
 {
-	FRESULT res;
-	FATFS_DIR dj, sdj;
-	BYTE *dir;
-	DWORD dclst;
-	DEF_NAMEBUF;
-
-
-	res = chk_mounted(&path, &dj.fs, 1);
-	if (res == FR_OK) {
-		INIT_BUF(dj);
-		res = follow_path(&dj, path);		/* Follow the file path */
-		if (_FS_RPATH && res == FR_OK && (dj.fn[NS] & NS_DOT))
-			res = FR_INVALID_NAME;			/* Cannot remove dot entry */
+    FRESULT res;
+    FATFS_DIR dj, sdj;
+    BYTE *dir;
+    DWORD dclst;
+    DEF_NAMEBUF;
+
+
+    res = chk_mounted(&path, &dj.fs, 1);
+    if (res == FR_OK) {
+        INIT_BUF(dj);
+        res = follow_path(&dj, path);        /* Follow the file path */
+        if (_FS_RPATH && res == FR_OK && (dj.fn[NS] & NS_DOT))
+            res = FR_INVALID_NAME;            /* Cannot remove dot entry */
 #if _FS_SHARE
-		if (res == FR_OK) res = chk_lock(&dj, 2);	/* Cannot remove open file */
+        if (res == FR_OK) res = chk_lock(&dj, 2);    /* Cannot remove open file */
 #endif
-		if (res == FR_OK) {					/* The object is accessible */
-			dir = dj.dir;
-			if (!dir) {
-				res = FR_INVALID_NAME;		/* Cannot remove the start directory */
-			} else {
-				if (dir[DIR_Attr] & AM_RDO)
-					res = FR_DENIED;		/* Cannot remove R/O object */
-			}
-			dclst = LD_CLUST(dir);
-			if (res == FR_OK && (dir[DIR_Attr] & AM_DIR)) {	/* Is it a sub-dir? */
-				if (dclst < 2) {
-					res = FR_INT_ERR;
-				} else {
-					mem_cpy(&sdj, &dj, sizeof(FATFS_DIR));	/* Check if the sub-dir is empty or not */
-					sdj.sclust = dclst;
-					res = dir_sdi(&sdj, 2);		/* Exclude dot entries */
-					if (res == FR_OK) {
-						res = dir_read(&sdj);
-						if (res == FR_OK			/* Not empty dir */
+        if (res == FR_OK) {                    /* The object is accessible */
+            dir = dj.dir;
+            if (!dir) {
+                res = FR_INVALID_NAME;        /* Cannot remove the start directory */
+            } else {
+                if (dir[DIR_Attr] & AM_RDO)
+                    res = FR_DENIED;        /* Cannot remove R/O object */
+            }
+            dclst = LD_CLUST(dir);
+            if (res == FR_OK && (dir[DIR_Attr] & AM_DIR)) {    /* Is it a sub-dir? */
+                if (dclst < 2) {
+                    res = FR_INT_ERR;
+                } else {
+                    mem_cpy(&sdj, &dj, sizeof(FATFS_DIR));    /* Check if the sub-dir is empty or not */
+                    sdj.sclust = dclst;
+                    res = dir_sdi(&sdj, 2);        /* Exclude dot entries */
+                    if (res == FR_OK) {
+                        res = dir_read(&sdj);
+                        if (res == FR_OK            /* Not empty dir */
 #if _FS_RPATH
-						|| dclst == sdj.fs->cdir	/* Current dir */
+                        || dclst == sdj.fs->cdir    /* Current dir */
 #endif
-						) res = FR_DENIED;
-						if (res == FR_NO_FILE) res = FR_OK;	/* Empty */
-					}
-				}
-			}
-			if (res == FR_OK) {
-				res = dir_remove(&dj);		/* Remove the directory entry */
-				if (res == FR_OK) {
-					if (dclst)				/* Remove the cluster chain if exist */
-						res = remove_chain(dj.fs, dclst);
-					if (res == FR_OK) res = sync(dj.fs);
-				}
-			}
-		}
-		FREE_BUF();
-	}
-	LEAVE_FF(dj.fs, res);
+                        ) res = FR_DENIED;
+                        if (res == FR_NO_FILE) res = FR_OK;    /* Empty */
+                    }
+                }
+            }
+            if (res == FR_OK) {
+                res = dir_remove(&dj);        /* Remove the directory entry */
+                if (res == FR_OK) {
+                    if (dclst)                /* Remove the cluster chain if exist */
+                        res = remove_chain(dj.fs, dclst);
+                    if (res == FR_OK) res = sync(dj.fs);
+                }
+            }
+        }
+        FREE_BUF();
+    }
+    LEAVE_FF(dj.fs, res);
 }
 
 
@@ -3256,69 +3256,69 @@
 /*-----------------------------------------------------------------------*/
 
 FRESULT f_mkdir (
-	const TCHAR *path		/* Pointer to the directory path */
+    const TCHAR *path        /* Pointer to the directory path */
 )
 {
-	FRESULT res;
-	FATFS_DIR dj;
-	BYTE *dir, n;
-	DWORD dsc, dcl, pcl, tim = get_fattime();
-	DEF_NAMEBUF;
-
-
-	res = chk_mounted(&path, &dj.fs, 1);
-	if (res == FR_OK) {
-		INIT_BUF(dj);
-		res = follow_path(&dj, path);			/* Follow the file path */
-		if (res == FR_OK) res = FR_EXIST;		/* Any object with same name is already existing */
-		if (_FS_RPATH && res == FR_NO_FILE && (dj.fn[NS] & NS_DOT))
-			res = FR_INVALID_NAME;
-		if (res == FR_NO_FILE) {				/* Can create a new directory */
-			dcl = create_chain(dj.fs, 0);		/* Allocate a cluster for the new directory table */
-			res = FR_OK;
-			if (dcl == 0) res = FR_DENIED;		/* No space to allocate a new cluster */
-			if (dcl == 1) res = FR_INT_ERR;
-			if (dcl == 0xFFFFFFFF) res = FR_DISK_ERR;
-			if (res == FR_OK)					/* Flush FAT */
-				res = move_window(dj.fs, 0);
-			if (res == FR_OK) {					/* Initialize the new directory table */
-				dsc = clust2sect(dj.fs, dcl);
-				dir = dj.fs->win;
-				mem_set(dir, 0, SS(dj.fs));
-				mem_set(dir+DIR_Name, ' ', 8+3);	/* Create "." entry */
-				dir[DIR_Name] = '.';
-				dir[DIR_Attr] = AM_DIR;
-				ST_DWORD(dir+DIR_WrtTime, tim);
-				ST_CLUST(dir, dcl);
-				mem_cpy(dir+SZ_DIR, dir, SZ_DIR); 	/* Create ".." entry */
-				dir[33] = '.'; pcl = dj.sclust;
-				if (dj.fs->fs_type == FS_FAT32 && pcl == dj.fs->dirbase)
-					pcl = 0;
-				ST_CLUST(dir+SZ_DIR, pcl);
-				for (n = dj.fs->csize; n; n--) {	/* Write dot entries and clear following sectors */
-					dj.fs->winsect = dsc++;
-					dj.fs->wflag = 1;
-					res = move_window(dj.fs, 0);
-					if (res != FR_OK) break;
-					mem_set(dir, 0, SS(dj.fs));
-				}
-			}
-			if (res == FR_OK) res = dir_register(&dj);	/* Register the object to the directoy */
-			if (res != FR_OK) {
-				remove_chain(dj.fs, dcl);			/* Could not register, remove cluster chain */
-			} else {
-				dir = dj.dir;
-				dir[DIR_Attr] = AM_DIR;				/* Attribute */
-				ST_DWORD(dir+DIR_WrtTime, tim);		/* Created time */
-				ST_CLUST(dir, dcl);					/* Table start cluster */
-				dj.fs->wflag = 1;
-				res = sync(dj.fs);
-			}
-		}
-		FREE_BUF();
-	}
-
-	LEAVE_FF(dj.fs, res);
+    FRESULT res;
+    FATFS_DIR dj;
+    BYTE *dir, n;
+    DWORD dsc, dcl, pcl, tim = get_fattime();
+    DEF_NAMEBUF;
+
+
+    res = chk_mounted(&path, &dj.fs, 1);
+    if (res == FR_OK) {
+        INIT_BUF(dj);
+        res = follow_path(&dj, path);            /* Follow the file path */
+        if (res == FR_OK) res = FR_EXIST;        /* Any object with same name is already existing */
+        if (_FS_RPATH && res == FR_NO_FILE && (dj.fn[NS] & NS_DOT))
+            res = FR_INVALID_NAME;
+        if (res == FR_NO_FILE) {                /* Can create a new directory */
+            dcl = create_chain(dj.fs, 0);        /* Allocate a cluster for the new directory table */
+            res = FR_OK;
+            if (dcl == 0) res = FR_DENIED;        /* No space to allocate a new cluster */
+            if (dcl == 1) res = FR_INT_ERR;
+            if (dcl == 0xFFFFFFFF) res = FR_DISK_ERR;
+            if (res == FR_OK)                    /* Flush FAT */
+                res = move_window(dj.fs, 0);
+            if (res == FR_OK) {                    /* Initialize the new directory table */
+                dsc = clust2sect(dj.fs, dcl);
+                dir = dj.fs->win;
+                mem_set(dir, 0, SS(dj.fs));
+                mem_set(dir+DIR_Name, ' ', 8+3);    /* Create "." entry */
+                dir[DIR_Name] = '.';
+                dir[DIR_Attr] = AM_DIR;
+                ST_DWORD(dir+DIR_WrtTime, tim);
+                ST_CLUST(dir, dcl);
+                mem_cpy(dir+SZ_DIR, dir, SZ_DIR);     /* Create ".." entry */
+                dir[33] = '.'; pcl = dj.sclust;
+                if (dj.fs->fs_type == FS_FAT32 && pcl == dj.fs->dirbase)
+                    pcl = 0;
+                ST_CLUST(dir+SZ_DIR, pcl);
+                for (n = dj.fs->csize; n; n--) {    /* Write dot entries and clear following sectors */
+                    dj.fs->winsect = dsc++;
+                    dj.fs->wflag = 1;
+                    res = move_window(dj.fs, 0);
+                    if (res != FR_OK) break;
+                    mem_set(dir, 0, SS(dj.fs));
+                }
+            }
+            if (res == FR_OK) res = dir_register(&dj);    /* Register the object to the directoy */
+            if (res != FR_OK) {
+                remove_chain(dj.fs, dcl);            /* Could not register, remove cluster chain */
+            } else {
+                dir = dj.dir;
+                dir[DIR_Attr] = AM_DIR;                /* Attribute */
+                ST_DWORD(dir+DIR_WrtTime, tim);        /* Created time */
+                ST_CLUST(dir, dcl);                    /* Table start cluster */
+                dj.fs->wflag = 1;
+                res = sync(dj.fs);
+            }
+        }
+        FREE_BUF();
+    }
+
+    LEAVE_FF(dj.fs, res);
 }
 
 
@@ -3329,38 +3329,38 @@
 /*-----------------------------------------------------------------------*/
 
 FRESULT f_chmod (
-	const TCHAR *path,	/* Pointer to the file path */
-	BYTE value,			/* Attribute bits */
-	BYTE mask			/* Attribute mask to change */
+    const TCHAR *path,    /* Pointer to the file path */
+    BYTE value,            /* Attribute bits */
+    BYTE mask            /* Attribute mask to change */
 )
 {
-	FRESULT res;
-	FATFS_DIR dj;
-	BYTE *dir;
-	DEF_NAMEBUF;
-
-
-	res = chk_mounted(&path, &dj.fs, 1);
-	if (res == FR_OK) {
-		INIT_BUF(dj);
-		res = follow_path(&dj, path);		/* Follow the file path */
-		FREE_BUF();
-		if (_FS_RPATH && res == FR_OK && (dj.fn[NS] & NS_DOT))
-			res = FR_INVALID_NAME;
-		if (res == FR_OK) {
-			dir = dj.dir;
-			if (!dir) {						/* Is it a root directory? */
-				res = FR_INVALID_NAME;
-			} else {						/* File or sub directory */
-				mask &= AM_RDO|AM_HID|AM_SYS|AM_ARC;	/* Valid attribute mask */
-				dir[DIR_Attr] = (value & mask) | (dir[DIR_Attr] & (BYTE)~mask);	/* Apply attribute change */
-				dj.fs->wflag = 1;
-				res = sync(dj.fs);
-			}
-		}
-	}
-
-	LEAVE_FF(dj.fs, res);
+    FRESULT res;
+    FATFS_DIR dj;
+    BYTE *dir;
+    DEF_NAMEBUF;
+
+
+    res = chk_mounted(&path, &dj.fs, 1);
+    if (res == FR_OK) {
+        INIT_BUF(dj);
+        res = follow_path(&dj, path);        /* Follow the file path */
+        FREE_BUF();
+        if (_FS_RPATH && res == FR_OK && (dj.fn[NS] & NS_DOT))
+            res = FR_INVALID_NAME;
+        if (res == FR_OK) {
+            dir = dj.dir;
+            if (!dir) {                        /* Is it a root directory? */
+                res = FR_INVALID_NAME;
+            } else {                        /* File or sub directory */
+                mask &= AM_RDO|AM_HID|AM_SYS|AM_ARC;    /* Valid attribute mask */
+                dir[DIR_Attr] = (value & mask) | (dir[DIR_Attr] & (BYTE)~mask);    /* Apply attribute change */
+                dj.fs->wflag = 1;
+                res = sync(dj.fs);
+            }
+        }
+    }
+
+    LEAVE_FF(dj.fs, res);
 }
 
 
@@ -3371,37 +3371,37 @@
 /*-----------------------------------------------------------------------*/
 
 FRESULT f_utime (
-	const TCHAR *path,	/* Pointer to the file/directory name */
-	const FILINFO *fno	/* Pointer to the time stamp to be set */
+    const TCHAR *path,    /* Pointer to the file/directory name */
+    const FILINFO *fno    /* Pointer to the time stamp to be set */
 )
 {
-	FRESULT res;
-	FATFS_DIR dj;
-	BYTE *dir;
-	DEF_NAMEBUF;
-
-
-	res = chk_mounted(&path, &dj.fs, 1);
-	if (res == FR_OK) {
-		INIT_BUF(dj);
-		res = follow_path(&dj, path);	/* Follow the file path */
-		FREE_BUF();
-		if (_FS_RPATH && res == FR_OK && (dj.fn[NS] & NS_DOT))
-			res = FR_INVALID_NAME;
-		if (res == FR_OK) {
-			dir = dj.dir;
-			if (!dir) {					/* Root directory */
-				res = FR_INVALID_NAME;
-			} else {					/* File or sub-directory */
-				ST_WORD(dir+DIR_WrtTime, fno->ftime);
-				ST_WORD(dir+DIR_WrtDate, fno->fdate);
-				dj.fs->wflag = 1;
-				res = sync(dj.fs);
-			}
-		}
-	}
-
-	LEAVE_FF(dj.fs, res);
+    FRESULT res;
+    FATFS_DIR dj;
+    BYTE *dir;
+    DEF_NAMEBUF;
+
+
+    res = chk_mounted(&path, &dj.fs, 1);
+    if (res == FR_OK) {
+        INIT_BUF(dj);
+        res = follow_path(&dj, path);    /* Follow the file path */
+        FREE_BUF();
+        if (_FS_RPATH && res == FR_OK && (dj.fn[NS] & NS_DOT))
+            res = FR_INVALID_NAME;
+        if (res == FR_OK) {
+            dir = dj.dir;
+            if (!dir) {                    /* Root directory */
+                res = FR_INVALID_NAME;
+            } else {                    /* File or sub-directory */
+                ST_WORD(dir+DIR_WrtTime, fno->ftime);
+                ST_WORD(dir+DIR_WrtDate, fno->fdate);
+                dj.fs->wflag = 1;
+                res = sync(dj.fs);
+            }
+        }
+    }
+
+    LEAVE_FF(dj.fs, res);
 }
 
 
@@ -3412,70 +3412,70 @@
 /*-----------------------------------------------------------------------*/
 
 FRESULT f_rename (
-	const TCHAR *path_old,	/* Pointer to the old name */
-	const TCHAR *path_new	/* Pointer to the new name */
+    const TCHAR *path_old,    /* Pointer to the old name */
+    const TCHAR *path_new    /* Pointer to the new name */
 )
 {
-	FRESULT res;
-	FATFS_DIR djo, djn;
-	BYTE buf[21], *dir;
-	DWORD dw;
-	DEF_NAMEBUF;
-
-
-	res = chk_mounted(&path_old, &djo.fs, 1);
-	if (res == FR_OK) {
-		djn.fs = djo.fs;
-		INIT_BUF(djo);
-		res = follow_path(&djo, path_old);		/* Check old object */
-		if (_FS_RPATH && res == FR_OK && (djo.fn[NS] & NS_DOT))
-			res = FR_INVALID_NAME;
+    FRESULT res;
+    FATFS_DIR djo, djn;
+    BYTE buf[21], *dir;
+    DWORD dw;
+    DEF_NAMEBUF;
+
+
+    res = chk_mounted(&path_old, &djo.fs, 1);
+    if (res == FR_OK) {
+        djn.fs = djo.fs;
+        INIT_BUF(djo);
+        res = follow_path(&djo, path_old);        /* Check old object */
+        if (_FS_RPATH && res == FR_OK && (djo.fn[NS] & NS_DOT))
+            res = FR_INVALID_NAME;
 #if _FS_SHARE
-		if (res == FR_OK) res = chk_lock(&djo, 2);
+        if (res == FR_OK) res = chk_lock(&djo, 2);
 #endif
-		if (res == FR_OK) {						/* Old object is found */
-			if (!djo.dir) {						/* Is root dir? */
-				res = FR_NO_FILE;
-			} else {
-				mem_cpy(buf, djo.dir+DIR_Attr, 21);		/* Save the object information except for name */
-				mem_cpy(&djn, &djo, sizeof(FATFS_DIR));		/* Check new object */
-				res = follow_path(&djn, path_new);
-				if (res == FR_OK) res = FR_EXIST;		/* The new object name is already existing */
-				if (res == FR_NO_FILE) { 				/* Is it a valid path and no name collision? */
+        if (res == FR_OK) {                        /* Old object is found */
+            if (!djo.dir) {                        /* Is root dir? */
+                res = FR_NO_FILE;
+            } else {
+                mem_cpy(buf, djo.dir+DIR_Attr, 21);        /* Save the object information except for name */
+                mem_cpy(&djn, &djo, sizeof(FATFS_DIR));        /* Check new object */
+                res = follow_path(&djn, path_new);
+                if (res == FR_OK) res = FR_EXIST;        /* The new object name is already existing */
+                if (res == FR_NO_FILE) {                 /* Is it a valid path and no name collision? */
 /* Start critical section that any interruption or error can cause cross-link */
-					res = dir_register(&djn);			/* Register the new entry */
-					if (res == FR_OK) {
-						dir = djn.dir;					/* Copy object information except for name */
-						mem_cpy(dir+13, buf+2, 19);
-						dir[DIR_Attr] = buf[0] | AM_ARC;
-						djo.fs->wflag = 1;
-						if (djo.sclust != djn.sclust && (dir[DIR_Attr] & AM_DIR)) {		/* Update .. entry in the directory if needed */
-							dw = clust2sect(djn.fs, LD_CLUST(dir));
-							if (!dw) {
-								res = FR_INT_ERR;
-							} else {
-								res = move_window(djn.fs, dw);
-								dir = djn.fs->win+SZ_DIR;	/* .. entry */
-								if (res == FR_OK && dir[1] == '.') {
-									dw = (djn.fs->fs_type == FS_FAT32 && djn.sclust == djn.fs->dirbase) ? 0 : djn.sclust;
-									ST_CLUST(dir, dw);
-									djn.fs->wflag = 1;
-								}
-							}
-						}
-						if (res == FR_OK) {
-							res = dir_remove(&djo);		/* Remove old entry */
-							if (res == FR_OK)
-								res = sync(djo.fs);
-						}
-					}
+                    res = dir_register(&djn);            /* Register the new entry */
+                    if (res == FR_OK) {
+                        dir = djn.dir;                    /* Copy object information except for name */
+                        mem_cpy(dir+13, buf+2, 19);
+                        dir[DIR_Attr] = buf[0] | AM_ARC;
+                        djo.fs->wflag = 1;
+                        if (djo.sclust != djn.sclust && (dir[DIR_Attr] & AM_DIR)) {        /* Update .. entry in the directory if needed */
+                            dw = clust2sect(djn.fs, LD_CLUST(dir));
+                            if (!dw) {
+                                res = FR_INT_ERR;
+                            } else {
+                                res = move_window(djn.fs, dw);
+                                dir = djn.fs->win+SZ_DIR;    /* .. entry */
+                                if (res == FR_OK && dir[1] == '.') {
+                                    dw = (djn.fs->fs_type == FS_FAT32 && djn.sclust == djn.fs->dirbase) ? 0 : djn.sclust;
+                                    ST_CLUST(dir, dw);
+                                    djn.fs->wflag = 1;
+                                }
+                            }
+                        }
+                        if (res == FR_OK) {
+                            res = dir_remove(&djo);        /* Remove old entry */
+                            if (res == FR_OK)
+                                res = sync(djo.fs);
+                        }
+                    }
 /* End critical section */
-				}
-			}
-		}
-		FREE_BUF();
-	}
-	LEAVE_FF(djo.fs, res);
+                }
+            }
+        }
+        FREE_BUF();
+    }
+    LEAVE_FF(djo.fs, res);
 }
 
 #endif /* !_FS_READONLY */
@@ -3491,55 +3491,55 @@
 #if _USE_FORWARD && _FS_TINY
 
 FRESULT f_forward (
-	FIL *fp, 						/* Pointer to the file object */
-	UINT (*func)(const BYTE*,UINT),	/* Pointer to the streaming function */
-	UINT btr,						/* Number of bytes to forward */
-	UINT *bf						/* Pointer to number of bytes forwarded */
+    FIL *fp,                         /* Pointer to the file object */
+    UINT (*func)(const BYTE*,UINT),    /* Pointer to the streaming function */
+    UINT btr,                        /* Number of bytes to forward */
+    UINT *bf                        /* Pointer to number of bytes forwarded */
 )
 {
-	FRESULT res;
-	DWORD remain, clst, sect;
-	UINT rcnt;
-	BYTE csect;
-
-
-	*bf = 0;	/* Initialize byte counter */
-
-	res = validate(fp->fs, fp->id);					/* Check validity of the object */
-	if (res != FR_OK) LEAVE_FF(fp->fs, res);
-	if (fp->flag & FA__ERROR)						/* Check error flag */
-		LEAVE_FF(fp->fs, FR_INT_ERR);
-	if (!(fp->flag & FA_READ))						/* Check access mode */
-		LEAVE_FF(fp->fs, FR_DENIED);
-
-	remain = fp->fsize - fp->fptr;
-	if (btr > remain) btr = (UINT)remain;			/* Truncate btr by remaining bytes */
-
-	for ( ;  btr && (*func)(0, 0);					/* Repeat until all data transferred or stream becomes busy */
-		fp->fptr += rcnt, *bf += rcnt, btr -= rcnt) {
-		csect = (BYTE)(fp->fptr / SS(fp->fs) & (fp->fs->csize - 1));	/* Sector offset in the cluster */
-		if ((fp->fptr % SS(fp->fs)) == 0) {			/* On the sector boundary? */
-			if (!csect) {							/* On the cluster boundary? */
-				clst = (fp->fptr == 0) ?			/* On the top of the file? */
-					fp->sclust : get_fat(fp->fs, fp->clust);
-				if (clst <= 1) ABORT(fp->fs, FR_INT_ERR);
-				if (clst == 0xFFFFFFFF) ABORT(fp->fs, FR_DISK_ERR);
-				fp->clust = clst;					/* Update current cluster */
-			}
-		}
-		sect = clust2sect(fp->fs, fp->clust);		/* Get current data sector */
-		if (!sect) ABORT(fp->fs, FR_INT_ERR);
-		sect += csect;
-		if (move_window(fp->fs, sect))				/* Move sector window */
-			ABORT(fp->fs, FR_DISK_ERR);
-		fp->dsect = sect;
-		rcnt = SS(fp->fs) - (WORD)(fp->fptr % SS(fp->fs));	/* Forward data from sector window */
-		if (rcnt > btr) rcnt = btr;
-		rcnt = (*func)(&fp->fs->win[(WORD)fp->fptr % SS(fp->fs)], rcnt);
-		if (!rcnt) ABORT(fp->fs, FR_INT_ERR);
-	}
-
-	LEAVE_FF(fp->fs, FR_OK);
+    FRESULT res;
+    DWORD remain, clst, sect;
+    UINT rcnt;
+    BYTE csect;
+
+
+    *bf = 0;    /* Initialize byte counter */
+
+    res = validate(fp->fs, fp->id);                    /* Check validity of the object */
+    if (res != FR_OK) LEAVE_FF(fp->fs, res);
+    if (fp->flag & FA__ERROR)                        /* Check error flag */
+        LEAVE_FF(fp->fs, FR_INT_ERR);
+    if (!(fp->flag & FA_READ))                        /* Check access mode */
+        LEAVE_FF(fp->fs, FR_DENIED);
+
+    remain = fp->fsize - fp->fptr;
+    if (btr > remain) btr = (UINT)remain;            /* Truncate btr by remaining bytes */
+
+    for ( ;  btr && (*func)(0, 0);                    /* Repeat until all data transferred or stream becomes busy */
+        fp->fptr += rcnt, *bf += rcnt, btr -= rcnt) {
+        csect = (BYTE)(fp->fptr / SS(fp->fs) & (fp->fs->csize - 1));    /* Sector offset in the cluster */
+        if ((fp->fptr % SS(fp->fs)) == 0) {            /* On the sector boundary? */
+            if (!csect) {                            /* On the cluster boundary? */
+                clst = (fp->fptr == 0) ?            /* On the top of the file? */
+                    fp->sclust : get_fat(fp->fs, fp->clust);
+                if (clst <= 1) ABORT(fp->fs, FR_INT_ERR);
+                if (clst == 0xFFFFFFFF) ABORT(fp->fs, FR_DISK_ERR);
+                fp->clust = clst;                    /* Update current cluster */
+            }
+        }
+        sect = clust2sect(fp->fs, fp->clust);        /* Get current data sector */
+        if (!sect) ABORT(fp->fs, FR_INT_ERR);
+        sect += csect;
+        if (move_window(fp->fs, sect))                /* Move sector window */
+            ABORT(fp->fs, FR_DISK_ERR);
+        fp->dsect = sect;
+        rcnt = SS(fp->fs) - (WORD)(fp->fptr % SS(fp->fs));    /* Forward data from sector window */
+        if (rcnt > btr) rcnt = btr;
+        rcnt = (*func)(&fp->fs->win[(WORD)fp->fptr % SS(fp->fs)], rcnt);
+        if (!rcnt) ABORT(fp->fs, FR_INT_ERR);
+    }
+
+    LEAVE_FF(fp->fs, FR_OK);
 }
 #endif /* _USE_FORWARD */
 
@@ -3549,238 +3549,238 @@
 /*-----------------------------------------------------------------------*/
 /* Create File System on the Drive                                       */
 /*-----------------------------------------------------------------------*/
-#define N_ROOTDIR	512		/* Number of root dir entries for FAT12/16 */
-#define N_FATS		1		/* Number of FAT copies (1 or 2) */
+#define N_ROOTDIR    512        /* Number of root dir entries for FAT12/16 */
+#define N_FATS        1        /* Number of FAT copies (1 or 2) */
 
 
 FRESULT f_mkfs (
-	BYTE drv,		/* Logical drive number */
-	BYTE sfd,		/* Partitioning rule 0:FDISK, 1:SFD */
-	UINT au			/* Allocation unit size [bytes] */
+    BYTE drv,        /* Logical drive number */
+    BYTE sfd,        /* Partitioning rule 0:FDISK, 1:SFD */
+    UINT au            /* Allocation unit size [bytes] */
 )
 {
-	static const WORD vst[] = { 1024,   512,  256,  128,   64,    32,   16,    8,    4,    2,   0};
-	static const WORD cst[] = {32768, 16384, 8192, 4096, 2048, 16384, 8192, 4096, 2048, 1024, 512};
-	BYTE fmt, md, sys, *tbl, pdrv, part;
-	DWORD n_clst, vs, n, wsect;
-	UINT i;
-	DWORD b_vol, b_fat, b_dir, b_data;	/* LBA */
-	DWORD n_vol, n_rsv, n_fat, n_dir;	/* Size */
-	FATFS *fs;
-	DSTATUS stat;
-
-
-	/* Check mounted drive and clear work area */
-	if (drv >= _VOLUMES) return FR_INVALID_DRIVE;
-	if (sfd > 1) return FR_INVALID_PARAMETER;
-	if (au & (au - 1)) return FR_INVALID_PARAMETER;
-	fs = FatFs[drv];
-	if (!fs) return FR_NOT_ENABLED;
-	fs->fs_type = 0;
-	pdrv = LD2PD(drv);	/* Physical drive */
-	part = LD2PT(drv);	/* Partition (0:auto detect, 1-4:get from partition table)*/
-
-	/* Get disk statics */
-	stat = disk_initialize(pdrv);
-	if (stat & STA_NOINIT) return FR_NOT_READY;
-	if (stat & STA_PROTECT) return FR_WRITE_PROTECTED;
-#if _MAX_SS != 512					/* Get disk sector size */
-	if (disk_ioctl(pdrv, GET_SECTOR_SIZE, &SS(fs)) != RES_OK || SS(fs) > _MAX_SS)
-		return FR_DISK_ERR;
+    static const WORD vst[] = { 1024,   512,  256,  128,   64,    32,   16,    8,    4,    2,   0};
+    static const WORD cst[] = {32768, 16384, 8192, 4096, 2048, 16384, 8192, 4096, 2048, 1024, 512};
+    BYTE fmt, md, sys, *tbl, pdrv, part;
+    DWORD n_clst, vs, n, wsect;
+    UINT i;
+    DWORD b_vol, b_fat, b_dir, b_data;    /* LBA */
+    DWORD n_vol, n_rsv, n_fat, n_dir;    /* Size */
+    FATFS *fs;
+    DSTATUS stat;
+
+
+    /* Check mounted drive and clear work area */
+    if (drv >= _VOLUMES) return FR_INVALID_DRIVE;
+    if (sfd > 1) return FR_INVALID_PARAMETER;
+    if (au & (au - 1)) return FR_INVALID_PARAMETER;
+    fs = FatFs[drv];
+    if (!fs) return FR_NOT_ENABLED;
+    fs->fs_type = 0;
+    pdrv = LD2PD(drv);    /* Physical drive */
+    part = LD2PT(drv);    /* Partition (0:auto detect, 1-4:get from partition table)*/
+
+    /* Get disk statics */
+    stat = disk_initialize(pdrv);
+    if (stat & STA_NOINIT) return FR_NOT_READY;
+    if (stat & STA_PROTECT) return FR_WRITE_PROTECTED;
+#if _MAX_SS != 512                    /* Get disk sector size */
+    if (disk_ioctl(pdrv, GET_SECTOR_SIZE, &SS(fs)) != RES_OK || SS(fs) > _MAX_SS)
+        return FR_DISK_ERR;
 #endif
-	if (_MULTI_PARTITION && part) {
-		/* Get partition information from partition table in the MBR */
-		if (disk_read(pdrv, fs->win, 0, 1) != RES_OK) return FR_DISK_ERR;
-		if (LD_WORD(fs->win+BS_55AA) != 0xAA55) return FR_MKFS_ABORTED;
-		tbl = &fs->win[MBR_Table + (part - 1) * SZ_PTE];
-		if (!tbl[4]) return FR_MKFS_ABORTED;	/* No partition? */
-		b_vol = LD_DWORD(tbl+8);	/* Volume start sector */
-		n_vol = LD_DWORD(tbl+12);	/* Volume size */
-	} else {
-		/* Create a partition in this function */
-		if (disk_ioctl(pdrv, GET_SECTOR_COUNT, &n_vol) != RES_OK || n_vol < 128)
-			return FR_DISK_ERR;
-		b_vol = (sfd) ? 0 : 63;		/* Volume start sector */
-		n_vol -= b_vol;				/* Volume size */
-	}
-
-	if (!au) {				/* AU auto selection */
-		vs = n_vol / (2000 / (SS(fs) / 512));
-		for (i = 0; vs < vst[i]; i++) ;
-		au = cst[i];
-	}
-	au /= SS(fs);		/* Number of sectors per cluster */
-	if (au == 0) au = 1;
-	if (au > 128) au = 128;
-
-	/* Pre-compute number of clusters and FAT syb-type */
-	n_clst = n_vol / au;
-	fmt = FS_FAT12;
-	if (n_clst >= MIN_FAT16) fmt = FS_FAT16;
-	if (n_clst >= MIN_FAT32) fmt = FS_FAT32;
-
-	/* Determine offset and size of FAT structure */
-	if (fmt == FS_FAT32) {
-		n_fat = ((n_clst * 4) + 8 + SS(fs) - 1) / SS(fs);
-		n_rsv = 32;
-		n_dir = 0;
-	} else {
-		n_fat = (fmt == FS_FAT12) ? (n_clst * 3 + 1) / 2 + 3 : (n_clst * 2) + 4;
-		n_fat = (n_fat + SS(fs) - 1) / SS(fs);
-		n_rsv = 1;
-		n_dir = (DWORD)N_ROOTDIR * SZ_DIR / SS(fs);
-	}
-	b_fat = b_vol + n_rsv;				/* FAT area start sector */
-	b_dir = b_fat + n_fat * N_FATS;		/* Directory area start sector */
-	b_data = b_dir + n_dir;				/* Data area start sector */
-	if (n_vol < b_data + au - b_vol) return FR_MKFS_ABORTED;	/* Too small volume */
-
-	/* Align data start sector to erase block boundary (for flash memory media) */
-	if (disk_ioctl(pdrv, GET_BLOCK_SIZE, &n) != RES_OK || !n || n > 32768) n = 1;
-	n = (b_data + n - 1) & ~(n - 1);	/* Next nearest erase block from current data start */
-	n = (n - b_data) / N_FATS;
-	if (fmt == FS_FAT32) {		/* FAT32: Move FAT offset */
-		n_rsv += n;
-		b_fat += n;
-	} else {					/* FAT12/16: Expand FAT size */
-		n_fat += n;
-	}
-
-	/* Determine number of clusters and final check of validity of the FAT sub-type */
-	n_clst = (n_vol - n_rsv - n_fat * N_FATS - n_dir) / au;
-	if (   (fmt == FS_FAT16 && n_clst < MIN_FAT16)
-		|| (fmt == FS_FAT32 && n_clst < MIN_FAT32))
-		return FR_MKFS_ABORTED;
-
-	switch (fmt) {	/* Determine system ID for partition table */
-	case FS_FAT12:	sys = 0x01; break;
-	case FS_FAT16:	sys = (n_vol < 0x10000) ? 0x04 : 0x06; break;
-	default: 		sys = 0x0C;
-	}
-
-	if (_MULTI_PARTITION && part) {
-		/* Update system ID in the partition table */
-		tbl = &fs->win[MBR_Table + (part - 1) * SZ_PTE];
-		tbl[4] = sys;
-		if (disk_write(pdrv, fs->win, 0, 1) != RES_OK) return FR_DISK_ERR;
-		md = 0xF8;
-	} else {
-		if (sfd) {	/* No patition table (SFD) */
-			md = 0xF0;
-		} else {	/* Create partition table (FDISK) */
-			mem_set(fs->win, 0, SS(fs));
-			tbl = fs->win+MBR_Table;	/* Create partiton table for single partition in the drive */
-			tbl[1] = 1;						/* Partition start head */
-			tbl[2] = 1;						/* Partition start sector */
-			tbl[3] = 0;						/* Partition start cylinder */
-			tbl[4] = sys;					/* System type */
-			tbl[5] = 254;					/* Partition end head */
-			n = (b_vol + n_vol) / 63 / 255;
-			tbl[6] = (BYTE)((n >> 2) | 63);	/* Partiiton end sector */
-			tbl[7] = (BYTE)n;				/* End cylinder */
-			ST_DWORD(tbl+8, 63);			/* Partition start in LBA */
-			ST_DWORD(tbl+12, n_vol);		/* Partition size in LBA */
-			ST_WORD(fs->win+BS_55AA, 0xAA55);	/* MBR signature */
-			if (disk_write(pdrv, fs->win, 0, 1) != RES_OK)	/* Write it to the MBR sector */
-				return FR_DISK_ERR;
-			md = 0xF8;
-		}
-	}
-
-	/* Create BPB in the VBR */
-	tbl = fs->win;							/* Clear sector */
-	mem_set(tbl, 0, SS(fs));
-	mem_cpy(tbl, "\xEB\xFE\x90" "MSDOS5.0", 11);/* Boot jump code, OEM name */
-	i = SS(fs);								/* Sector size */
-	ST_WORD(tbl+BPB_BytsPerSec, i);
-	tbl[BPB_SecPerClus] = (BYTE)au;			/* Sectors per cluster */
-	ST_WORD(tbl+BPB_RsvdSecCnt, n_rsv);		/* Reserved sectors */
-	tbl[BPB_NumFATs] = N_FATS;				/* Number of FATs */
-	i = (fmt == FS_FAT32) ? 0 : N_ROOTDIR;	/* Number of rootdir entries */
-	ST_WORD(tbl+BPB_RootEntCnt, i);
-	if (n_vol < 0x10000) {					/* Number of total sectors */
-		ST_WORD(tbl+BPB_TotSec16, n_vol);
-	} else {
-		ST_DWORD(tbl+BPB_TotSec32, n_vol);
-	}
-	tbl[BPB_Media] = md;					/* Media descriptor */
-	ST_WORD(tbl+BPB_SecPerTrk, 63);			/* Number of sectors per track */
-	ST_WORD(tbl+BPB_NumHeads, 255);			/* Number of heads */
-	ST_DWORD(tbl+BPB_HiddSec, b_vol);		/* Hidden sectors */
-	n = get_fattime();						/* Use current time as VSN */
-	if (fmt == FS_FAT32) {
-		ST_DWORD(tbl+BS_VolID32, n);		/* VSN */
-		ST_DWORD(tbl+BPB_FATSz32, n_fat);	/* Number of sectors per FAT */
-		ST_DWORD(tbl+BPB_RootClus, 2);		/* Root directory start cluster (2) */
-		ST_WORD(tbl+BPB_FSInfo, 1);			/* FSInfo record offset (VBR+1) */
-		ST_WORD(tbl+BPB_BkBootSec, 6);		/* Backup boot record offset (VBR+6) */
-		tbl[BS_DrvNum32] = 0x80;			/* Drive number */
-		tbl[BS_BootSig32] = 0x29;			/* Extended boot signature */
-		mem_cpy(tbl+BS_VolLab32, "NO NAME    " "FAT32   ", 19);	/* Volume label, FAT signature */
-	} else {
-		ST_DWORD(tbl+BS_VolID, n);			/* VSN */
-		ST_WORD(tbl+BPB_FATSz16, n_fat);	/* Number of sectors per FAT */
-		tbl[BS_DrvNum] = 0x80;				/* Drive number */
-		tbl[BS_BootSig] = 0x29;				/* Extended boot signature */
-		mem_cpy(tbl+BS_VolLab, "NO NAME    " "FAT     ", 19);	/* Volume label, FAT signature */
-	}
-	ST_WORD(tbl+BS_55AA, 0xAA55);			/* Signature (Offset is fixed here regardless of sector size) */
-	if (disk_write(pdrv, tbl, b_vol, 1) != RES_OK)	/* Write it to the VBR sector */
-		return FR_DISK_ERR;
-	if (fmt == FS_FAT32)							/* Write backup VBR if needed (VBR+6) */
-		disk_write(pdrv, tbl, b_vol + 6, 1);
-
-	/* Initialize FAT area */
-	wsect = b_fat;
-	for (i = 0; i < N_FATS; i++) {		/* Initialize each FAT copy */
-		mem_set(tbl, 0, SS(fs));			/* 1st sector of the FAT  */
-		n = md;								/* Media descriptor byte */
-		if (fmt != FS_FAT32) {
-			n |= (fmt == FS_FAT12) ? 0x00FFFF00 : 0xFFFFFF00;
-			ST_DWORD(tbl+0, n);				/* Reserve cluster #0-1 (FAT12/16) */
-		} else {
-			n |= 0xFFFFFF00;
-			ST_DWORD(tbl+0, n);				/* Reserve cluster #0-1 (FAT32) */
-			ST_DWORD(tbl+4, 0xFFFFFFFF);
-			ST_DWORD(tbl+8, 0x0FFFFFFF);	/* Reserve cluster #2 for root dir */
-		}
-		if (disk_write(pdrv, tbl, wsect++, 1) != RES_OK)
-			return FR_DISK_ERR;
-		mem_set(tbl, 0, SS(fs));			/* Fill following FAT entries with zero */
-		for (n = 1; n < n_fat; n++) {		/* This loop may take a time on FAT32 volume due to many single sector writes */
-			if (disk_write(pdrv, tbl, wsect++, 1) != RES_OK)
-				return FR_DISK_ERR;
-		}
-	}
-
-	/* Initialize root directory */
-	i = (fmt == FS_FAT32) ? au : n_dir;
-	do {
-		if (disk_write(pdrv, tbl, wsect++, 1) != RES_OK)
-			return FR_DISK_ERR;
-	} while (--i);
-
-#if _USE_ERASE	/* Erase data area if needed */
-	{
-		DWORD eb[2];
-
-		eb[0] = wsect; eb[1] = wsect + (n_clst - ((fmt == FS_FAT32) ? 1 : 0)) * au - 1;
-		disk_ioctl(pdrv, CTRL_ERASE_SECTOR, eb);
-	}
+    if (_MULTI_PARTITION && part) {
+        /* Get partition information from partition table in the MBR */
+        if (disk_read(pdrv, fs->win, 0, 1) != RES_OK) return FR_DISK_ERR;
+        if (LD_WORD(fs->win+BS_55AA) != 0xAA55) return FR_MKFS_ABORTED;
+        tbl = &fs->win[MBR_Table + (part - 1) * SZ_PTE];
+        if (!tbl[4]) return FR_MKFS_ABORTED;    /* No partition? */
+        b_vol = LD_DWORD(tbl+8);    /* Volume start sector */
+        n_vol = LD_DWORD(tbl+12);    /* Volume size */
+    } else {
+        /* Create a partition in this function */
+        if (disk_ioctl(pdrv, GET_SECTOR_COUNT, &n_vol) != RES_OK || n_vol < 128)
+            return FR_DISK_ERR;
+        b_vol = (sfd) ? 0 : 63;        /* Volume start sector */
+        n_vol -= b_vol;                /* Volume size */
+    }
+
+    if (!au) {                /* AU auto selection */
+        vs = n_vol / (2000 / (SS(fs) / 512));
+        for (i = 0; vs < vst[i]; i++) ;
+        au = cst[i];
+    }
+    au /= SS(fs);        /* Number of sectors per cluster */
+    if (au == 0) au = 1;
+    if (au > 128) au = 128;
+
+    /* Pre-compute number of clusters and FAT syb-type */
+    n_clst = n_vol / au;
+    fmt = FS_FAT12;
+    if (n_clst >= MIN_FAT16) fmt = FS_FAT16;
+    if (n_clst >= MIN_FAT32) fmt = FS_FAT32;
+
+    /* Determine offset and size of FAT structure */
+    if (fmt == FS_FAT32) {
+        n_fat = ((n_clst * 4) + 8 + SS(fs) - 1) / SS(fs);
+        n_rsv = 32;
+        n_dir = 0;
+    } else {
+        n_fat = (fmt == FS_FAT12) ? (n_clst * 3 + 1) / 2 + 3 : (n_clst * 2) + 4;
+        n_fat = (n_fat + SS(fs) - 1) / SS(fs);
+        n_rsv = 1;
+        n_dir = (DWORD)N_ROOTDIR * SZ_DIR / SS(fs);
+    }
+    b_fat = b_vol + n_rsv;                /* FAT area start sector */
+    b_dir = b_fat + n_fat * N_FATS;        /* Directory area start sector */
+    b_data = b_dir + n_dir;                /* Data area start sector */
+    if (n_vol < b_data + au - b_vol) return FR_MKFS_ABORTED;    /* Too small volume */
+
+    /* Align data start sector to erase block boundary (for flash memory media) */
+    if (disk_ioctl(pdrv, GET_BLOCK_SIZE, &n) != RES_OK || !n || n > 32768) n = 1;
+    n = (b_data + n - 1) & ~(n - 1);    /* Next nearest erase block from current data start */
+    n = (n - b_data) / N_FATS;
+    if (fmt == FS_FAT32) {        /* FAT32: Move FAT offset */
+        n_rsv += n;
+        b_fat += n;
+    } else {                    /* FAT12/16: Expand FAT size */
+        n_fat += n;
+    }
+
+    /* Determine number of clusters and final check of validity of the FAT sub-type */
+    n_clst = (n_vol - n_rsv - n_fat * N_FATS - n_dir) / au;
+    if (   (fmt == FS_FAT16 && n_clst < MIN_FAT16)
+        || (fmt == FS_FAT32 && n_clst < MIN_FAT32))
+        return FR_MKFS_ABORTED;
+
+    switch (fmt) {    /* Determine system ID for partition table */
+    case FS_FAT12:    sys = 0x01; break;
+    case FS_FAT16:    sys = (n_vol < 0x10000) ? 0x04 : 0x06; break;
+    default:         sys = 0x0C;
+    }
+
+    if (_MULTI_PARTITION && part) {
+        /* Update system ID in the partition table */
+        tbl = &fs->win[MBR_Table + (part - 1) * SZ_PTE];
+        tbl[4] = sys;
+        if (disk_write(pdrv, fs->win, 0, 1) != RES_OK) return FR_DISK_ERR;
+        md = 0xF8;
+    } else {
+        if (sfd) {    /* No patition table (SFD) */
+            md = 0xF0;
+        } else {    /* Create partition table (FDISK) */
+            mem_set(fs->win, 0, SS(fs));
+            tbl = fs->win+MBR_Table;    /* Create partiton table for single partition in the drive */
+            tbl[1] = 1;                        /* Partition start head */
+            tbl[2] = 1;                        /* Partition start sector */
+            tbl[3] = 0;                        /* Partition start cylinder */
+            tbl[4] = sys;                    /* System type */
+            tbl[5] = 254;                    /* Partition end head */
+            n = (b_vol + n_vol) / 63 / 255;
+            tbl[6] = (BYTE)((n >> 2) | 63);    /* Partiiton end sector */
+            tbl[7] = (BYTE)n;                /* End cylinder */
+            ST_DWORD(tbl+8, 63);            /* Partition start in LBA */
+            ST_DWORD(tbl+12, n_vol);        /* Partition size in LBA */
+            ST_WORD(fs->win+BS_55AA, 0xAA55);    /* MBR signature */
+            if (disk_write(pdrv, fs->win, 0, 1) != RES_OK)    /* Write it to the MBR sector */
+                return FR_DISK_ERR;
+            md = 0xF8;
+        }
+    }
+
+    /* Create BPB in the VBR */
+    tbl = fs->win;                            /* Clear sector */
+    mem_set(tbl, 0, SS(fs));
+    mem_cpy(tbl, "\xEB\xFE\x90" "MSDOS5.0", 11);/* Boot jump code, OEM name */
+    i = SS(fs);                                /* Sector size */
+    ST_WORD(tbl+BPB_BytsPerSec, i);
+    tbl[BPB_SecPerClus] = (BYTE)au;            /* Sectors per cluster */
+    ST_WORD(tbl+BPB_RsvdSecCnt, n_rsv);        /* Reserved sectors */
+    tbl[BPB_NumFATs] = N_FATS;                /* Number of FATs */
+    i = (fmt == FS_FAT32) ? 0 : N_ROOTDIR;    /* Number of rootdir entries */
+    ST_WORD(tbl+BPB_RootEntCnt, i);
+    if (n_vol < 0x10000) {                    /* Number of total sectors */
+        ST_WORD(tbl+BPB_TotSec16, n_vol);
+    } else {
+        ST_DWORD(tbl+BPB_TotSec32, n_vol);
+    }
+    tbl[BPB_Media] = md;                    /* Media descriptor */
+    ST_WORD(tbl+BPB_SecPerTrk, 63);            /* Number of sectors per track */
+    ST_WORD(tbl+BPB_NumHeads, 255);            /* Number of heads */
+    ST_DWORD(tbl+BPB_HiddSec, b_vol);        /* Hidden sectors */
+    n = get_fattime();                        /* Use current time as VSN */
+    if (fmt == FS_FAT32) {
+        ST_DWORD(tbl+BS_VolID32, n);        /* VSN */
+        ST_DWORD(tbl+BPB_FATSz32, n_fat);    /* Number of sectors per FAT */
+        ST_DWORD(tbl+BPB_RootClus, 2);        /* Root directory start cluster (2) */
+        ST_WORD(tbl+BPB_FSInfo, 1);            /* FSInfo record offset (VBR+1) */
+        ST_WORD(tbl+BPB_BkBootSec, 6);        /* Backup boot record offset (VBR+6) */
+        tbl[BS_DrvNum32] = 0x80;            /* Drive number */
+        tbl[BS_BootSig32] = 0x29;            /* Extended boot signature */
+        mem_cpy(tbl+BS_VolLab32, "NO NAME    " "FAT32   ", 19);    /* Volume label, FAT signature */
+    } else {
+        ST_DWORD(tbl+BS_VolID, n);            /* VSN */
+        ST_WORD(tbl+BPB_FATSz16, n_fat);    /* Number of sectors per FAT */
+        tbl[BS_DrvNum] = 0x80;                /* Drive number */
+        tbl[BS_BootSig] = 0x29;                /* Extended boot signature */
+        mem_cpy(tbl+BS_VolLab, "NO NAME    " "FAT     ", 19);    /* Volume label, FAT signature */
+    }
+    ST_WORD(tbl+BS_55AA, 0xAA55);            /* Signature (Offset is fixed here regardless of sector size) */
+    if (disk_write(pdrv, tbl, b_vol, 1) != RES_OK)    /* Write it to the VBR sector */
+        return FR_DISK_ERR;
+    if (fmt == FS_FAT32)                            /* Write backup VBR if needed (VBR+6) */
+        disk_write(pdrv, tbl, b_vol + 6, 1);
+
+    /* Initialize FAT area */
+    wsect = b_fat;
+    for (i = 0; i < N_FATS; i++) {        /* Initialize each FAT copy */
+        mem_set(tbl, 0, SS(fs));            /* 1st sector of the FAT  */
+        n = md;                                /* Media descriptor byte */
+        if (fmt != FS_FAT32) {
+            n |= (fmt == FS_FAT12) ? 0x00FFFF00 : 0xFFFFFF00;
+            ST_DWORD(tbl+0, n);                /* Reserve cluster #0-1 (FAT12/16) */
+        } else {
+            n |= 0xFFFFFF00;
+            ST_DWORD(tbl+0, n);                /* Reserve cluster #0-1 (FAT32) */
+            ST_DWORD(tbl+4, 0xFFFFFFFF);
+            ST_DWORD(tbl+8, 0x0FFFFFFF);    /* Reserve cluster #2 for root dir */
+        }
+        if (disk_write(pdrv, tbl, wsect++, 1) != RES_OK)
+            return FR_DISK_ERR;
+        mem_set(tbl, 0, SS(fs));            /* Fill following FAT entries with zero */
+        for (n = 1; n < n_fat; n++) {        /* This loop may take a time on FAT32 volume due to many single sector writes */
+            if (disk_write(pdrv, tbl, wsect++, 1) != RES_OK)
+                return FR_DISK_ERR;
+        }
+    }
+
+    /* Initialize root directory */
+    i = (fmt == FS_FAT32) ? au : n_dir;
+    do {
+        if (disk_write(pdrv, tbl, wsect++, 1) != RES_OK)
+            return FR_DISK_ERR;
+    } while (--i);
+
+#if _USE_ERASE    /* Erase data area if needed */
+    {
+        DWORD eb[2];
+
+        eb[0] = wsect; eb[1] = wsect + (n_clst - ((fmt == FS_FAT32) ? 1 : 0)) * au - 1;
+        disk_ioctl(pdrv, CTRL_ERASE_SECTOR, eb);
+    }
 #endif
 
-	/* Create FSInfo if needed */
-	if (fmt == FS_FAT32) {
-		ST_DWORD(tbl+FSI_LeadSig, 0x41615252);
-		ST_DWORD(tbl+FSI_StrucSig, 0x61417272);
-		ST_DWORD(tbl+FSI_Free_Count, n_clst - 1);	/* Number of free clusters */
-		ST_DWORD(tbl+FSI_Nxt_Free, 2);				/* Last allocated cluster# */
-		ST_WORD(tbl+BS_55AA, 0xAA55);
-		disk_write(pdrv, tbl, b_vol + 1, 1);	/* Write original (VBR+1) */
-		disk_write(pdrv, tbl, b_vol + 7, 1);	/* Write backup (VBR+7) */
-	}
-
-	return (disk_ioctl(pdrv, CTRL_SYNC, 0) == RES_OK) ? FR_OK : FR_DISK_ERR;
+    /* Create FSInfo if needed */
+    if (fmt == FS_FAT32) {
+        ST_DWORD(tbl+FSI_LeadSig, 0x41615252);
+        ST_DWORD(tbl+FSI_StrucSig, 0x61417272);
+        ST_DWORD(tbl+FSI_Free_Count, n_clst - 1);    /* Number of free clusters */
+        ST_DWORD(tbl+FSI_Nxt_Free, 2);                /* Last allocated cluster# */
+        ST_WORD(tbl+BS_55AA, 0xAA55);
+        disk_write(pdrv, tbl, b_vol + 1, 1);    /* Write original (VBR+1) */
+        disk_write(pdrv, tbl, b_vol + 7, 1);    /* Write backup (VBR+7) */
+    }
+
+    return (disk_ioctl(pdrv, CTRL_SYNC, 0) == RES_OK) ? FR_OK : FR_DISK_ERR;
 }
 
 
@@ -3790,64 +3790,64 @@
 /*-----------------------------------------------------------------------*/
 
 FRESULT f_fdisk (
-	BYTE pdrv,			/* Physical drive number */
-	const DWORD szt[],	/* Pointer to the size table for each partitions */
-	void* work			/* Pointer to the working buffer */
+    BYTE pdrv,            /* Physical drive number */
+    const DWORD szt[],    /* Pointer to the size table for each partitions */
+    void* work            /* Pointer to the working buffer */
 )
 {
-	UINT i, n, sz_cyl, tot_cyl, b_cyl, e_cyl, p_cyl;
-	BYTE s_hd, e_hd, *p, *buf = (BYTE*)work;
-	DSTATUS stat;
-	DWORD sz_disk, sz_part, s_part;
-
-
-	stat = disk_initialize(pdrv);
-	if (stat & STA_NOINIT) return FR_NOT_READY;
-	if (stat & STA_PROTECT) return FR_WRITE_PROTECTED;
-	if (disk_ioctl(pdrv, GET_SECTOR_COUNT, &sz_disk)) return FR_DISK_ERR;
-
-	/* Determine CHS in the table regardless of the drive geometry */
-	for (n = 16; n < 256 && sz_disk / n / 63 > 1024; n *= 2) ;
-	if (n == 256) n--;
-	e_hd = n - 1;
-	sz_cyl = 63 * n;
-	tot_cyl = sz_disk / sz_cyl;
-
-	/* Create partition table */
-	mem_set(buf, 0, _MAX_SS);
-	p = buf + MBR_Table; b_cyl = 0;
-	for (i = 0; i < 4; i++, p += SZ_PTE) {
-		p_cyl = (szt[i] <= 100) ? (DWORD)tot_cyl * szt[i] / 100 : szt[i] / sz_cyl;
-		if (!p_cyl) continue;
-		s_part = (DWORD)sz_cyl * b_cyl;
-		sz_part = (DWORD)sz_cyl * p_cyl;
-		if (i == 0) {	/* Exclude first track of cylinder 0 */
-			s_hd = 1;
-			s_part += 63; sz_part -= 63;
-		} else {
-			s_hd = 0;
-		}
-		e_cyl = b_cyl + p_cyl - 1;
-		if (e_cyl >= tot_cyl) return FR_INVALID_PARAMETER;
-
-		/* Set partition table */
-		p[1] = s_hd;						/* Start head */
-		p[2] = (BYTE)((b_cyl >> 2) + 1);	/* Start sector */
-		p[3] = (BYTE)b_cyl;					/* Start cylinder */
-		p[4] = 0x06;						/* System type (temporary setting) */
-		p[5] = e_hd;						/* End head */
-		p[6] = (BYTE)((e_cyl >> 2) + 63);	/* End sector */
-		p[7] = (BYTE)e_cyl;					/* End cylinder */
-		ST_DWORD(p + 8, s_part);			/* Start sector in LBA */
-		ST_DWORD(p + 12, sz_part);			/* Partition size */
-
-		/* Next partition */
-		b_cyl += p_cyl;
-	}
-	ST_WORD(p, 0xAA55);
-
-	/* Write it to the MBR */
-	return (disk_write(pdrv, buf, 0, 1) || disk_ioctl(pdrv, CTRL_SYNC, 0)) ? FR_DISK_ERR : FR_OK;
+    UINT i, n, sz_cyl, tot_cyl, b_cyl, e_cyl, p_cyl;
+    BYTE s_hd, e_hd, *p, *buf = (BYTE*)work;
+    DSTATUS stat;
+    DWORD sz_disk, sz_part, s_part;
+
+
+    stat = disk_initialize(pdrv);
+    if (stat & STA_NOINIT) return FR_NOT_READY;
+    if (stat & STA_PROTECT) return FR_WRITE_PROTECTED;
+    if (disk_ioctl(pdrv, GET_SECTOR_COUNT, &sz_disk)) return FR_DISK_ERR;
+
+    /* Determine CHS in the table regardless of the drive geometry */
+    for (n = 16; n < 256 && sz_disk / n / 63 > 1024; n *= 2) ;
+    if (n == 256) n--;
+    e_hd = n - 1;
+    sz_cyl = 63 * n;
+    tot_cyl = sz_disk / sz_cyl;
+
+    /* Create partition table */
+    mem_set(buf, 0, _MAX_SS);
+    p = buf + MBR_Table; b_cyl = 0;
+    for (i = 0; i < 4; i++, p += SZ_PTE) {
+        p_cyl = (szt[i] <= 100) ? (DWORD)tot_cyl * szt[i] / 100 : szt[i] / sz_cyl;
+        if (!p_cyl) continue;
+        s_part = (DWORD)sz_cyl * b_cyl;
+        sz_part = (DWORD)sz_cyl * p_cyl;
+        if (i == 0) {    /* Exclude first track of cylinder 0 */
+            s_hd = 1;
+            s_part += 63; sz_part -= 63;
+        } else {
+            s_hd = 0;
+        }
+        e_cyl = b_cyl + p_cyl - 1;
+        if (e_cyl >= tot_cyl) return FR_INVALID_PARAMETER;
+
+        /* Set partition table */
+        p[1] = s_hd;                        /* Start head */
+        p[2] = (BYTE)((b_cyl >> 2) + 1);    /* Start sector */
+        p[3] = (BYTE)b_cyl;                    /* Start cylinder */
+        p[4] = 0x06;                        /* System type (temporary setting) */
+        p[5] = e_hd;                        /* End head */
+        p[6] = (BYTE)((e_cyl >> 2) + 63);    /* End sector */
+        p[7] = (BYTE)e_cyl;                    /* End cylinder */
+        ST_DWORD(p + 8, s_part);            /* Start sector in LBA */
+        ST_DWORD(p + 12, sz_part);            /* Partition size */
+
+        /* Next partition */
+        b_cyl += p_cyl;
+    }
+    ST_WORD(p, 0xAA55);
+
+    /* Write it to the MBR */
+    return (disk_write(pdrv, buf, 0, 1) || disk_ioctl(pdrv, CTRL_SYNC, 0)) ? FR_DISK_ERR : FR_OK;
 }
 
 
@@ -3862,50 +3862,50 @@
 /* Get a string from the file                                            */
 /*-----------------------------------------------------------------------*/
 TCHAR* f_gets (
-	TCHAR* buff,	/* Pointer to the string buffer to read */
-	int len,		/* Size of string buffer (characters) */
-	FIL* fil		/* Pointer to the file object */
+    TCHAR* buff,    /* Pointer to the string buffer to read */
+    int len,        /* Size of string buffer (characters) */
+    FIL* fil        /* Pointer to the file object */
 )
 {
-	int n = 0;
-	TCHAR c, *p = buff;
-	BYTE s[2];
-	UINT rc;
-
-
-	while (n < len - 1) {			/* Read bytes until buffer gets filled */
-		f_read(fil, s, 1, &rc);
-		if (rc != 1) break;			/* Break on EOF or error */
-		c = s[0];
-#if _LFN_UNICODE					/* Read a character in UTF-8 encoding */
-		if (c >= 0x80) {
-			if (c < 0xC0) continue;	/* Skip stray trailer */
-			if (c < 0xE0) {			/* Two-byte sequense */
-				f_read(fil, s, 1, &rc);
-				if (rc != 1) break;
-				c = ((c & 0x1F) << 6) | (s[0] & 0x3F);
-				if (c < 0x80) c = '?';
-			} else {
-				if (c < 0xF0) {		/* Three-byte sequense */
-					f_read(fil, s, 2, &rc);
-					if (rc != 2) break;
-					c = (c << 12) | ((s[0] & 0x3F) << 6) | (s[1] & 0x3F);
-					if (c < 0x800) c = '?';
-				} else {			/* Reject four-byte sequense */
-					c = '?';
-				}
-			}
-		}
+    int n = 0;
+    TCHAR c, *p = buff;
+    BYTE s[2];
+    UINT rc;
+
+
+    while (n < len - 1) {            /* Read bytes until buffer gets filled */
+        f_read(fil, s, 1, &rc);
+        if (rc != 1) break;            /* Break on EOF or error */
+        c = s[0];
+#if _LFN_UNICODE                    /* Read a character in UTF-8 encoding */
+        if (c >= 0x80) {
+            if (c < 0xC0) continue;    /* Skip stray trailer */
+            if (c < 0xE0) {            /* Two-byte sequense */
+                f_read(fil, s, 1, &rc);
+                if (rc != 1) break;
+                c = ((c & 0x1F) << 6) | (s[0] & 0x3F);
+                if (c < 0x80) c = '?';
+            } else {
+                if (c < 0xF0) {        /* Three-byte sequense */
+                    f_read(fil, s, 2, &rc);
+                    if (rc != 2) break;
+                    c = (c << 12) | ((s[0] & 0x3F) << 6) | (s[1] & 0x3F);
+                    if (c < 0x800) c = '?';
+                } else {            /* Reject four-byte sequense */
+                    c = '?';
+                }
+            }
+        }
 #endif
 #if _USE_STRFUNC >= 2
-		if (c == '\r') continue;	/* Strip '\r' */
+        if (c == '\r') continue;    /* Strip '\r' */
 #endif
-		*p++ = c;
-		n++;
-		if (c == '\n') break;		/* Break on EOL */
-	}
-	*p = 0;
-	return n ? buff : 0;			/* When no data read (eof or error), return with error. */
+        *p++ = c;
+        n++;
+        if (c == '\n') break;        /* Break on EOL */
+    }
+    *p = 0;
+    return n ? buff : 0;            /* When no data read (eof or error), return with error. */
 }
 
 
@@ -3916,40 +3916,40 @@
 /* Put a character to the file                                           */
 /*-----------------------------------------------------------------------*/
 int f_putc (
-	TCHAR c,	/* A character to be output */
-	FIL* fil	/* Pointer to the file object */
+    TCHAR c,    /* A character to be output */
+    FIL* fil    /* Pointer to the file object */
 )
 {
-	UINT bw, btw;
-	BYTE s[3];
+    UINT bw, btw;
+    BYTE s[3];
 
 
 #if _USE_STRFUNC >= 2
-	if (c == '\n') f_putc ('\r', fil);	/* LF -> CRLF conversion */
+    if (c == '\n') f_putc ('\r', fil);    /* LF -> CRLF conversion */
 #endif
 
-#if _LFN_UNICODE	/* Write the character in UTF-8 encoding */
-	if (c < 0x80) {			/* 7-bit */
-		s[0] = (BYTE)c;
-		btw = 1;
-	} else {
-		if (c < 0x800) {	/* 11-bit */
-			s[0] = (BYTE)(0xC0 | (c >> 6));
-			s[1] = (BYTE)(0x80 | (c & 0x3F));
-			btw = 2;
-		} else {			/* 16-bit */
-			s[0] = (BYTE)(0xE0 | (c >> 12));
-			s[1] = (BYTE)(0x80 | ((c >> 6) & 0x3F));
-			s[2] = (BYTE)(0x80 | (c & 0x3F));
-			btw = 3;
-		}
-	}
-#else				/* Write the character without conversion */
-	s[0] = (BYTE)c;
-	btw = 1;
+#if _LFN_UNICODE    /* Write the character in UTF-8 encoding */
+    if (c < 0x80) {            /* 7-bit */
+        s[0] = (BYTE)c;
+        btw = 1;
+    } else {
+        if (c < 0x800) {    /* 11-bit */
+            s[0] = (BYTE)(0xC0 | (c >> 6));
+            s[1] = (BYTE)(0x80 | (c & 0x3F));
+            btw = 2;
+        } else {            /* 16-bit */
+            s[0] = (BYTE)(0xE0 | (c >> 12));
+            s[1] = (BYTE)(0x80 | ((c >> 6) & 0x3F));
+            s[2] = (BYTE)(0x80 | (c & 0x3F));
+            btw = 3;
+        }
+    }
+#else                /* Write the character without conversion */
+    s[0] = (BYTE)c;
+    btw = 1;
 #endif
-	f_write(fil, s, btw, &bw);		/* Write the char to the file */
-	return (bw == btw) ? 1 : EOF;	/* Return the result */
+    f_write(fil, s, btw, &bw);        /* Write the char to the file */
+    return (bw == btw) ? 1 : EOF;    /* Return the result */
 }
 
 
@@ -3959,17 +3959,17 @@
 /* Put a string to the file                                              */
 /*-----------------------------------------------------------------------*/
 int f_puts (
-	const TCHAR* str,	/* Pointer to the string to be output */
-	FIL* fil			/* Pointer to the file object */
+    const TCHAR* str,    /* Pointer to the string to be output */
+    FIL* fil            /* Pointer to the file object */
 )
 {
-	int n;
-
-
-	for (n = 0; *str; str++, n++) {
-		if (f_putc(*str, fil) == EOF) return EOF;
-	}
-	return n;
+    int n;
+
+
+    for (n = 0; *str; str++, n++) {
+        if (f_putc(*str, fil) == EOF) return EOF;
+    }
+    return n;
 }
 
 
@@ -3979,98 +3979,98 @@
 /* Put a formatted string to the file                                    */
 /*-----------------------------------------------------------------------*/
 int f_printf (
-	FIL* fil,			/* Pointer to the file object */
-	const TCHAR* str,	/* Pointer to the format string */
-	...					/* Optional arguments... */
+    FIL* fil,            /* Pointer to the file object */
+    const TCHAR* str,    /* Pointer to the format string */
+    ...                    /* Optional arguments... */
 )
 {
-	va_list arp;
-	BYTE f, r;
-	UINT i, j, w;
-	ULONG v;
-	TCHAR c, d, s[16], *p;
-	int res, chc, cc;
-
-
-	va_start(arp, str);
-
-	for (cc = res = 0; cc != EOF; res += cc) {
-		c = *str++;
-		if (c == 0) break;			/* End of string */
-		if (c != '%') {				/* Non escape character */
-			cc = f_putc(c, fil);
-			if (cc != EOF) cc = 1;
-			continue;
-		}
-		w = f = 0;
-		c = *str++;
-		if (c == '0') {				/* Flag: '0' padding */
-			f = 1; c = *str++;
-		} else {
-			if (c == '-') {			/* Flag: left justified */
-				f = 2; c = *str++;
-			}
-		}
-		while (IsDigit(c)) {		/* Precision */
-			w = w * 10 + c - '0';
-			c = *str++;
-		}
-		if (c == 'l' || c == 'L') {	/* Prefix: Size is long int */
-			f |= 4; c = *str++;
-		}
-		if (!c) break;
-		d = c;
-		if (IsLower(d)) d -= 0x20;
-		switch (d) {				/* Type is... */
-		case 'S' :					/* String */
-			p = va_arg(arp, TCHAR*);
-			for (j = 0; p[j]; j++) ;
-			chc = 0;
-			if (!(f & 2)) {
-				while (j++ < w) chc += (cc = f_putc(' ', fil));
-			}
-			chc += (cc = f_puts(p, fil));
-			while (j++ < w) chc += (cc = f_putc(' ', fil));
-			if (cc != EOF) cc = chc;
-			continue;
-		case 'C' :					/* Character */
-			cc = f_putc((TCHAR)va_arg(arp, int), fil); continue;
-		case 'B' :					/* Binary */
-			r = 2; break;
-		case 'O' :					/* Octal */
-			r = 8; break;
-		case 'D' :					/* Signed decimal */
-		case 'U' :					/* Unsigned decimal */
-			r = 10; break;
-		case 'X' :					/* Hexdecimal */
-			r = 16; break;
-		default:					/* Unknown type (passthrough) */
-			cc = f_putc(c, fil); continue;
-		}
-
-		/* Get an argument and put it in numeral */
-		v = (f & 4) ? (ULONG)va_arg(arp, long) : ((d == 'D') ? (ULONG)(long)va_arg(arp, int) : (ULONG)va_arg(arp, unsigned int));
-		if (d == 'D' && (v & 0x80000000)) {
-			v = 0 - v;
-			f |= 8;
-		}
-		i = 0;
-		do {
-			d = (TCHAR)(v % r); v /= r;
-			if (d > 9) d += (c == 'x') ? 0x27 : 0x07;
-			s[i++] = d + '0';
-		} while (v && i < sizeof(s) / sizeof(s[0]));
-		if (f & 8) s[i++] = '-';
-		j = i; d = (f & 1) ? '0' : ' ';
-		res = 0;
-		while (!(f & 2) && j++ < w) res += (cc = f_putc(d, fil));
-		do res += (cc = f_putc(s[--i], fil)); while(i);
-		while (j++ < w) res += (cc = f_putc(' ', fil));
-		if (cc != EOF) cc = res;
-	}
-
-	va_end(arp);
-	return (cc == EOF) ? cc : res;
+    va_list arp;
+    BYTE f, r;
+    UINT i, j, w;
+    ULONG v;
+    TCHAR c, d, s[16], *p;
+    int res, chc, cc;
+
+
+    va_start(arp, str);
+
+    for (cc = res = 0; cc != EOF; res += cc) {
+        c = *str++;
+        if (c == 0) break;            /* End of string */
+        if (c != '%') {                /* Non escape character */
+            cc = f_putc(c, fil);
+            if (cc != EOF) cc = 1;
+            continue;
+        }
+        w = f = 0;
+        c = *str++;
+        if (c == '0') {                /* Flag: '0' padding */
+            f = 1; c = *str++;
+        } else {
+            if (c == '-') {            /* Flag: left justified */
+                f = 2; c = *str++;
+            }
+        }
+        while (IsDigit(c)) {        /* Precision */
+            w = w * 10 + c - '0';
+            c = *str++;
+        }
+        if (c == 'l' || c == 'L') {    /* Prefix: Size is long int */
+            f |= 4; c = *str++;
+        }
+        if (!c) break;
+        d = c;
+        if (IsLower(d)) d -= 0x20;
+        switch (d) {                /* Type is... */
+        case 'S' :                    /* String */
+            p = va_arg(arp, TCHAR*);
+            for (j = 0; p[j]; j++) ;
+            chc = 0;
+            if (!(f & 2)) {
+                while (j++ < w) chc += (cc = f_putc(' ', fil));
+            }
+            chc += (cc = f_puts(p, fil));
+            while (j++ < w) chc += (cc = f_putc(' ', fil));
+            if (cc != EOF) cc = chc;
+            continue;
+        case 'C' :                    /* Character */
+            cc = f_putc((TCHAR)va_arg(arp, int), fil); continue;
+        case 'B' :                    /* Binary */
+            r = 2; break;
+        case 'O' :                    /* Octal */
+            r = 8; break;
+        case 'D' :                    /* Signed decimal */
+        case 'U' :                    /* Unsigned decimal */
+            r = 10; break;
+        case 'X' :                    /* Hexdecimal */
+            r = 16; break;
+        default:                    /* Unknown type (passthrough) */
+            cc = f_putc(c, fil); continue;
+        }
+
+        /* Get an argument and put it in numeral */
+        v = (f & 4) ? (ULONG)va_arg(arp, long) : ((d == 'D') ? (ULONG)(long)va_arg(arp, int) : (ULONG)va_arg(arp, unsigned int));
+        if (d == 'D' && (v & 0x80000000)) {
+            v = 0 - v;
+            f |= 8;
+        }
+        i = 0;
+        do {
+            d = (TCHAR)(v % r); v /= r;
+            if (d > 9) d += (c == 'x') ? 0x27 : 0x07;
+            s[i++] = d + '0';
+        } while (v && i < sizeof(s) / sizeof(s[0]));
+        if (f & 8) s[i++] = '-';
+        j = i; d = (f & 1) ? '0' : ' ';
+        res = 0;
+        while (!(f & 2) && j++ < w) res += (cc = f_putc(d, fil));
+        do res += (cc = f_putc(s[--i], fil)); while(i);
+        while (j++ < w) res += (cc = f_putc(' ', fil));
+        if (cc != EOF) cc = res;
+    }
+
+    va_end(arp);
+    return (cc == EOF) ? cc : res;
 }
 
 #endif /* !_FS_READONLY */