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@ -484,7 +484,7 @@ static const BYTE ExCvt[] = MKCVTBL(TBL_CT, FF_CODE_PAGE);
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static WORD ld_word (const BYTE* ptr) /* Load a 2-byte little-endian word */
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{
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WORD rv;
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WORD rv = 0;
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rv = ptr[1];
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rv = rv << 8 | ptr[0];
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@ -493,7 +493,7 @@ static WORD ld_word (const BYTE* ptr) /* Load a 2-byte little-endian word */
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static DWORD ld_dword (const BYTE* ptr) /* Load a 4-byte little-endian word */
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{
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DWORD rv;
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DWORD rv = 0;
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rv = ptr[3];
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rv = rv << 8 | ptr[2];
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@ -563,11 +563,11 @@ static DWORD tchar2uni ( /* Returns a character in UTF-16 encoding (>=0x10000 on
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const TCHAR** str /* Pointer to pointer to TCHAR string in configured encoding */
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)
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{
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DWORD uc;
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DWORD uc = 0;
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const TCHAR *p = *str;
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BYTE b;
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int nf;
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BYTE b = 0;
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int nf = 0;
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uc = (BYTE)*p++; /* Get an encoding unit */
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if (uc & 0x80) { /* Multiple byte code? */
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@ -605,7 +605,7 @@ static BYTE put_utf ( /* Returns number of encoding units written (0:buffer over
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UINT szb /* Size of the buffer */
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)
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{
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DWORD hc;
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DWORD hc = 0;
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if (chr < 0x80) { /* Single byte code? */
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if (szb < 1) return 0; /* Buffer overflow? */
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@ -702,7 +702,7 @@ static FRESULT sync_fs ( /* Returns FR_OK or FR_DISK_ERR */
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FATFS* fs /* Filesystem object */
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)
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{
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FRESULT res;
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FRESULT res = 0;
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res = sync_window(fs);
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@ -756,8 +756,8 @@ static DWORD get_fat ( /* 0xFFFFFFFF:Disk error, 1:Internal error, 2..0x7FFFFFF
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DWORD clst /* Cluster number to get the value */
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)
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{
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UINT wc, bc;
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DWORD val;
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UINT wc = 0, bc = 0;
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DWORD val = 0;
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FATFS *fs = obj->fs;
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@ -807,8 +807,8 @@ static FRESULT put_fat ( /* FR_OK(0):succeeded, !=0:error */
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DWORD val /* New value to be set to the entry */
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)
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{
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UINT bc;
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BYTE *p;
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UINT bc = 0;
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BYTE *p = NULL;
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FRESULT res = FR_INT_ERR;
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@ -867,7 +867,7 @@ static FRESULT remove_chain ( /* FR_OK(0):succeeded, !=0:error */
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)
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{
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FRESULT res = FR_OK;
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DWORD nxt;
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DWORD nxt = 0;
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FATFS *fs = obj->fs;
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if (clst < 2 || clst >= fs->n_fatent) return FR_INT_ERR; /* Check if in valid range */
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@ -910,8 +910,8 @@ static DWORD create_chain ( /* 0:No free cluster, 1:Internal error, 0xFFFFFFFF:D
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DWORD clst /* Cluster# to stretch, 0:Create a new chain */
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)
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{
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DWORD cs, ncl, scl;
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FRESULT res;
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DWORD cs = 0, ncl = 0, scl = 0;
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FRESULT res = 0;
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FATFS *fs = obj->fs;
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@ -989,9 +989,9 @@ static FRESULT dir_clear ( /* Returns FR_OK or FR_DISK_ERR */
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DWORD clst /* Directory table to clear */
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)
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{
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LBA_t sect;
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UINT n, szb;
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BYTE *ibuf;
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LBA_t sect = 0;
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UINT n = 0, szb = 0;
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BYTE *ibuf = NULL;
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if (sync_window(fs) != FR_OK) return FR_DISK_ERR; /* Flush disk access window */
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@ -1017,7 +1017,7 @@ static FRESULT dir_sdi ( /* FR_OK(0):succeeded, !=0:error */
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DWORD ofs /* Offset of directory table */
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)
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{
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DWORD csz, clst;
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DWORD csz = 0, clst = 0;
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FATFS *fs = dp->obj.fs;
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@ -1065,7 +1065,7 @@ static FRESULT dir_next ( /* FR_OK(0):succeeded, FR_NO_FILE:End of table, FR_DEN
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int stretch /* 0: Do not stretch table, 1: Stretch table if needed */
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)
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{
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DWORD ofs, clst;
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DWORD ofs = 0, clst = 0;
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FATFS *fs = dp->obj.fs;
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@ -1120,8 +1120,8 @@ static FRESULT dir_alloc ( /* FR_OK(0):succeeded, !=0:error */
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UINT nent /* Number of contiguous entries to allocate */
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)
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{
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FRESULT res;
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UINT n;
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FRESULT res = 0;
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UINT n = 0;
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FATFS *fs = dp->obj.fs;
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@ -1157,7 +1157,7 @@ static DWORD ld_clust ( /* Returns the top cluster value of the SFN entry */
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const BYTE* dir /* Pointer to the key entry */
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)
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{
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DWORD cl;
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DWORD cl = 0;
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cl = ld_word(dir + DIR_FstClusLO);
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if (fs->fs_type == FS_FAT32) {
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@ -1191,8 +1191,8 @@ static int cmp_lfn ( /* 1:matched, 0:not matched */
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BYTE* dir /* Pointer to the directory entry containing the part of LFN */
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)
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{
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UINT i, s;
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WCHAR wc, uc;
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UINT i = 0, s = 0;
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WCHAR wc = 0, uc = 0;
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if (ld_word(dir + LDIR_FstClusLO) != 0) return 0; /* Check LDIR_FstClusLO */
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@ -1226,8 +1226,8 @@ static int pick_lfn ( /* 1:succeeded, 0:buffer overflow or invalid LFN entry */
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BYTE* dir /* Pointer to the LFN entry */
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)
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{
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UINT i, s;
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WCHAR wc, uc;
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UINT i = 0, s = 0;
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WCHAR wc = 0, uc = 0;
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if (ld_word(dir + LDIR_FstClusLO) != 0) return 0; /* Check LDIR_FstClusLO is 0 */
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@ -1264,8 +1264,8 @@ static void put_lfn (
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BYTE sum /* Checksum of the corresponding SFN */
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)
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{
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UINT i, s;
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WCHAR wc;
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UINT i = 0, s = 0;
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WCHAR wc = 0;
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dir[LDIR_Chksum] = sum; /* Set checksum */
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@ -1298,10 +1298,10 @@ static void gen_numname (
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UINT seq /* Sequence number */
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)
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{
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BYTE ns[8], c;
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UINT i, j;
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WCHAR wc;
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DWORD sreg;
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BYTE ns[8] = {0}, c = 0;
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UINT i = 0, j = 0;
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WCHAR wc = 0;
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DWORD sreg = 0;
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mem_cpy(dst, src, 11);
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@ -1380,7 +1380,7 @@ static FRESULT dir_read (
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{
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FRESULT res = FR_NO_FILE;
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FATFS *fs = dp->obj.fs;
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BYTE attr, b;
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BYTE attr = 0, b = 0;
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BYTE ord = 0xFF, sum = 0xFF;
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while (dp->sect) {
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@ -1430,10 +1430,10 @@ static FRESULT dir_find ( /* FR_OK(0):succeeded, !=0:error */
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DIR* dp /* Pointer to the directory object with the file name */
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)
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{
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FRESULT res;
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FRESULT res = 0;
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FATFS *fs = dp->obj.fs;
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BYTE c;
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BYTE a, ord, sum;
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BYTE c = 0;
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BYTE a = 0, ord = 0, sum = 0;
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res = dir_sdi(dp, 0); /* Rewind directory object */
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if (res != FR_OK) return res;
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@ -1481,10 +1481,10 @@ static FRESULT dir_register ( /* FR_OK:succeeded, FR_DENIED:no free entry or too
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DIR* dp /* Target directory with object name to be created */
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)
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{
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FRESULT res;
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FRESULT res = 0;
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FATFS *fs = dp->obj.fs;
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UINT n, nlen, nent;
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BYTE sn[12], sum;
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UINT n = 0, nlen = 0, nent = 0;
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BYTE sn[12] = {0}, sum = 0;
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if (dp->fn[NSFLAG] & (NS_DOT | NS_NONAME)) return FR_INVALID_NAME; /* Check name validity */
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@ -1547,7 +1547,7 @@ static FRESULT dir_remove ( /* FR_OK:Succeeded, FR_DISK_ERR:A disk error */
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DIR* dp /* Directory object pointing the entry to be removed */
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)
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{
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FRESULT res;
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FRESULT res = 0;
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FATFS *fs = dp->obj.fs;
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DWORD last = dp->dptr;
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@ -1583,9 +1583,9 @@ static void get_fileinfo (
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FILINFO* fno /* Pointer to the file information to be filled */
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)
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{
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UINT si, di;
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BYTE lcf;
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WCHAR wc, hs;
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UINT si = 0, di = 0;
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BYTE lcf = 0;
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WCHAR wc = 0, hs = 0;
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FATFS *fs = dp->obj.fs;
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@ -1664,11 +1664,11 @@ static FRESULT create_name ( /* FR_OK: successful, FR_INVALID_NAME: could not cr
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const TCHAR** path /* Pointer to pointer to the segment in the path string */
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)
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{
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BYTE b, cf;
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WCHAR wc, *lfn;
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DWORD uc;
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UINT i, ni, si, di;
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const TCHAR *p;
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BYTE b = 0, cf = 0;
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WCHAR wc = 0, *lfn = NULL;
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DWORD uc = 0;
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UINT i = 0, ni = 0, si = 0, di = 0;
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const TCHAR *p = NULL;
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/* Create LFN into LFN working buffer */
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@ -1780,8 +1780,8 @@ static FRESULT follow_path ( /* FR_OK(0): successful, !=0: error code */
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const TCHAR* path /* Full-path string to find a file or directory */
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)
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{
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FRESULT res;
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BYTE ns;
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FRESULT res = 0;
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BYTE ns = 0;
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FATFS *fs = dp->obj.fs;
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@ -1837,9 +1837,9 @@ static int get_ldnumber ( /* Returns logical drive number (-1:invalid drive numb
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const TCHAR** path /* Pointer to pointer to the path name */
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)
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{
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const TCHAR *tp, *tt;
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TCHAR tc;
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int i, vol = -1;
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const TCHAR *tp = NULL, *tt = NULL;
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TCHAR tc = 0;
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int i = 0, vol = -1;
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tt = tp = *path;
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if (!tp) return vol; /* Invalid path name? */
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@ -1905,8 +1905,8 @@ static UINT find_volume ( /* Returns BS status found in the hosting drive */
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UINT part /* Partition to fined = 0:auto, 1..:forced */
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)
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{
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UINT fmt, i;
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DWORD mbr_pt[4];
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UINT fmt = 0, i = 0;
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DWORD mbr_pt[4] = {0};
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fmt = check_fs(fs, 0); /* Load sector 0 and check if it is an FAT VBR as SFD */
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|
|
@ -1938,13 +1938,13 @@ static FRESULT mount_volume ( /* FR_OK(0): successful, !=0: an error occurred */
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BYTE mode /* !=0: Check write protection for write access */
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|
)
|
|
|
|
|
{
|
|
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|
|
int vol;
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|
|
DSTATUS stat;
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|
|
LBA_t bsect;
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|
|
DWORD tsect, sysect, fasize, nclst, szbfat;
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|
|
WORD nrsv;
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|
|
FATFS *fs;
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|
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UINT fmt;
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|
|
int vol = 0;
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|
|
DSTATUS stat = 0;
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|
|
LBA_t bsect = 0;
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|
|
DWORD tsect = 0, sysect = 0, fasize = 0, nclst = 0, szbfat = 0;
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|
|
WORD nrsv = 0;
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|
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FATFS *fs = NULL;
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UINT fmt = 0;
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/* Get logical drive number */
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@ -2120,9 +2120,9 @@ FRESULT f_mount (
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BYTE opt /* Mode option 0:Do not mount (delayed mount), 1:Mount immediately */
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)
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{
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FATFS *cfs;
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int vol;
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FRESULT res;
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FATFS *cfs = NULL;
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int vol = 0;
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FRESULT res = 0;
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const TCHAR *rp = path;
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@ -2159,12 +2159,12 @@ FRESULT f_open (
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BYTE mode /* Access mode and file open mode flags */
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)
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{
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FRESULT res;
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DIR dj;
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FATFS *fs;
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DWORD cl, bcs, clst;
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LBA_t sc;
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FSIZE_t ofs;
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FRESULT res = 0;
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DIR dj = {0};
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FATFS *fs = NULL;
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DWORD cl = 0, bcs = 0, clst = 0;
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LBA_t sc = 0;
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FSIZE_t ofs = 0;
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DEF_NAMBUF
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@ -2290,12 +2290,12 @@ FRESULT f_read (
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UINT* br /* Pointer to number of bytes read */
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)
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{
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FRESULT res;
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FATFS *fs;
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DWORD clst;
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LBA_t sect;
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FSIZE_t remain;
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UINT rcnt, cc, csect;
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FRESULT res = 0;
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FATFS *fs = NULL;
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DWORD clst = 0;
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LBA_t sect = 0;
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FSIZE_t remain = 0;
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UINT rcnt = 0, cc = 0, csect = 0;
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BYTE *rbuff = (BYTE*)buff;
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@ -2368,11 +2368,11 @@ FRESULT f_write (
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UINT* bw /* Pointer to number of bytes written */
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)
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{
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FRESULT res;
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FATFS *fs;
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DWORD clst;
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LBA_t sect;
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UINT wcnt, cc, csect;
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FRESULT res = 0;
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FATFS *fs = NULL;
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DWORD clst = 0;
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LBA_t sect = 0;
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UINT wcnt = 0, cc = 0, csect = 0;
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const BYTE *wbuff = (const BYTE*)buff;
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@ -2456,10 +2456,10 @@ FRESULT f_sync (
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FIL* fp /* Pointer to the file object */
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)
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{
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FRESULT res;
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FATFS *fs;
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DWORD tm;
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BYTE *dir;
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FRESULT res = 0;
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FATFS *fs = NULL;
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DWORD tm = 0;
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BYTE *dir = NULL;
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res = validate(&fp->obj, &fs); /* Check validity of the file object */
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@ -2503,8 +2503,8 @@ FRESULT f_close (
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FIL* fp /* Pointer to the file object to be closed */
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)
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{
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FRESULT res;
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FATFS *fs;
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FRESULT res = 0;
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FATFS *fs = NULL;
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res = f_sync(fp); /* Flush cached data */
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if (res == FR_OK)
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@ -2532,11 +2532,11 @@ FRESULT f_lseek (
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FSIZE_t ofs /* File pointer from top of file */
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)
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{
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FRESULT res;
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FATFS *fs;
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DWORD clst, bcs;
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LBA_t nsect;
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FSIZE_t ifptr;
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FRESULT res = 0;
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FATFS *fs = NULL;
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DWORD clst = 0, bcs = 0;
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LBA_t nsect = 0;
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FSIZE_t ifptr = 0;
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res = validate(&fp->obj, &fs); /* Check validity of the file object */
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if (res == FR_OK) res = (FRESULT)fp->err;
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@ -2623,8 +2623,8 @@ FRESULT f_opendir (
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const TCHAR* path /* Pointer to the directory path */
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)
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{
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FRESULT res;
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FATFS *fs;
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FRESULT res = 0;
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FATFS *fs = NULL;
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DEF_NAMBUF
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@ -2670,8 +2670,8 @@ FRESULT f_closedir (
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DIR *dp /* Pointer to the directory object to be closed */
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)
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{
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FRESULT res;
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FATFS *fs;
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FRESULT res = 0;
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FATFS *fs = NULL;
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res = validate(&dp->obj, &fs); /* Check validity of the file object */
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@ -2693,8 +2693,8 @@ FRESULT f_readdir (
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FILINFO* fno /* Pointer to file information to return */
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)
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{
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FRESULT res;
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FATFS *fs;
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FRESULT res = 0;
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FATFS *fs = NULL;
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DEF_NAMBUF
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@ -2731,8 +2731,8 @@ FRESULT f_stat (
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FILINFO* fno /* Pointer to file information to return */
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)
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{
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FRESULT res;
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DIR dj;
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FRESULT res = 0;
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DIR dj = {0};
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DEF_NAMBUF
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@ -2766,12 +2766,12 @@ FRESULT f_getfree (
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FATFS** fatfs /* Pointer to return pointer to corresponding filesystem object */
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)
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|
{
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FRESULT res;
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FATFS *fs;
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DWORD nfree, clst, stat;
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LBA_t sect;
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UINT i;
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FFOBJID obj;
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FRESULT res = 0;
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FATFS *fs = NULL;
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DWORD nfree = 0, clst = 0, stat = 0;
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LBA_t sect = 0;
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UINT i = 0;
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FFOBJID obj = {0};
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/* Get logical drive */
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@ -2833,9 +2833,9 @@ FRESULT f_truncate (
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FIL* fp /* Pointer to the file object */
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)
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{
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FRESULT res;
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FATFS *fs;
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DWORD ncl;
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FRESULT res = 0;
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FATFS *fs = NULL;
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DWORD ncl = 0;
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res = validate(&fp->obj, &fs); /* Check validity of the file object */
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@ -2881,10 +2881,10 @@ FRESULT f_unlink (
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const TCHAR* path /* Pointer to the file or directory path */
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)
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{
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FRESULT res;
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DIR dj, sdj;
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FRESULT res = 0;
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DIR dj = {0}, sdj = {0};
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DWORD dclst = 0;
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FATFS *fs;
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FATFS *fs = NULL;
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DEF_NAMBUF
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@ -2947,11 +2947,11 @@ FRESULT f_mkdir (
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const TCHAR* path /* Pointer to the directory path */
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)
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{
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FRESULT res;
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DIR dj;
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FFOBJID sobj;
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FATFS *fs;
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DWORD dcl, pcl, tm;
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FRESULT res = 0;
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DIR dj = {0};
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FFOBJID sobj = {0};
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FATFS *fs = NULL;
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DWORD dcl = 0, pcl = 0, tm = 0;
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DEF_NAMBUF
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@ -3021,11 +3021,11 @@ FRESULT f_rename (
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const TCHAR* path_new /* Pointer to the new name */
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)
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{
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FRESULT res;
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DIR djo, djn;
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FATFS *fs;
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BYTE buf[FF_FS_EXFAT ? SZDIRE * 2 : SZDIRE], *dir;
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LBA_t sect;
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FRESULT res = 0;
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DIR djo = {0}, djn = {0};
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FATFS *fs = NULL;
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BYTE buf[(FF_FS_EXFAT) ? (SZDIRE * 2) : (SZDIRE)] = {0}, *dir = NULL;
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LBA_t sect = 0;
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DEF_NAMBUF
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@ -3099,11 +3099,11 @@ FRESULT f_getlabel (
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DWORD* vsn /* Variable to store the volume serial number */
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)
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{
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FRESULT res;
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DIR dj;
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FATFS *fs;
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UINT si, di;
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WCHAR wc;
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FRESULT res = 0;
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DIR dj = {0};
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FATFS *fs = NULL;
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UINT si = 0, di = 0;
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WCHAR wc = 0;
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/* Get logical drive */
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res = mount_volume(&path, &fs, 0);
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@ -3169,14 +3169,14 @@ FRESULT f_setlabel (
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const TCHAR* label /* Volume label to set with heading logical drive number */
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)
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{
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|
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FRESULT res;
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DIR dj;
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FATFS *fs;
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BYTE dirvn[22];
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UINT di;
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WCHAR wc;
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FRESULT res = 0;
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DIR dj = {0};
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FATFS *fs = NULL;
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BYTE dirvn[22] = {0};
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UINT di = 0;
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WCHAR wc = 0;
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static const char badchr[] = "+.,;=[]/\\\"*:<>\?|\x7F"; /* [0..] for FAT, [7..] for exFAT */
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|
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DWORD dc;
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DWORD dc = 0;
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/* Get logical drive */
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|
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res = mount_volume(&label, &fs, FA_WRITE);
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|
@ -3270,10 +3270,10 @@ static FRESULT create_partition (
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BYTE* buf /* Working buffer for a sector */
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)
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|
{
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|
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UINT i, cy;
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|
|
LBA_t sz_drv;
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|
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DWORD sz_drv32, s_lba32, n_lba32;
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BYTE *pte, hd, n_hd, sc, n_sc;
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|
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UINT i = 0, cy = 0;
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|
|
LBA_t sz_drv = 0;
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|
|
DWORD sz_drv32 = 0, s_lba32 = 0, n_lba32 = 0;
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|
|
BYTE *pte = NULL, hd = 0, n_hd = 0, sc = 0, n_sc = 0;
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|
|
/* Get drive size */
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|
|
if (disk_ioctl(drv, GET_SECTOR_COUNT, &sz_drv) != RES_OK) return FR_DISK_ERR;
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|
|
@ -3332,16 +3332,16 @@ FRESULT f_mkfs (
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|
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|
|
static const WORD cst[] = {1, 4, 16, 64, 256, 512, 0}; /* Cluster size boundary for FAT volume (4Ks unit) */
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|
|
|
|
static const WORD cst32[] = {1, 2, 4, 8, 16, 32, 0}; /* Cluster size boundary for FAT32 volume (128Ks unit) */
|
|
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|
|
static const MKFS_PARM defopt = {FM_ANY, 0, 0, 0, 0}; /* Default parameter */
|
|
|
|
|
BYTE fsopt, fsty, sys, *buf, *pte, pdrv, ipart;
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|
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|
|
BYTE fsopt = 0, fsty = 0, sys = 0, *buf = NULL, *pte = NULL, pdrv = 0, ipart = 0;
|
|
|
|
|
WORD ss; /* Sector size */
|
|
|
|
|
DWORD sz_buf, sz_blk, n_clst, pau, nsect, n;
|
|
|
|
|
DWORD sz_buf = 0, sz_blk = 0, n_clst = 0, pau = 0, nsect = 0, n = 0;
|
|
|
|
|
LBA_t sz_vol, b_vol, b_fat, b_data; /* Size of volume, Base LBA of volume, fat, data */
|
|
|
|
|
LBA_t sect, lba[2];
|
|
|
|
|
LBA_t sect = 0, lba[2] = {0};
|
|
|
|
|
DWORD sz_rsv, sz_fat, sz_dir, sz_au; /* Size of reserved, fat, dir, data, cluster */
|
|
|
|
|
UINT n_fat, n_root, i; /* Index, Number of FATs and Number of roor dir entries */
|
|
|
|
|
int vol;
|
|
|
|
|
DSTATUS ds;
|
|
|
|
|
FRESULT fr;
|
|
|
|
|
int vol = 0;
|
|
|
|
|
DSTATUS ds = 0;
|
|
|
|
|
FRESULT fr = 0;
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/* Check mounted drive and clear work area */
|
|
|
|
|
|
Ondřej Vejpustek
4 years ago
committed by