fatfs/src/00history.txt

   1 ----------------------------------------------------------------------------
   2   Revision history of FatFs module
   3 ----------------------------------------------------------------------------
   4
   5 R0.00 (February 26, 2006)
   6
   7   Prototype.
   8
   9
  10
  11 R0.01 (April 29, 2006)
  12
  13   The first release.
  14
  15
  16
  17 R0.02 (June 01, 2006)
  18
  19   Added FAT12 support.
  20   Removed unbuffered mode.
  21   Fixed a problem on small (<32M) partition.
  22
  23
  24
  25 R0.02a (June 10, 2006)
  26
  27   Added a configuration option (_FS_MINIMUM).
  28
  29
  30
  31 R0.03 (September 22, 2006)
  32
  33   Added f_rename().
  34   Changed option _FS_MINIMUM to _FS_MINIMIZE.
  35
  36
  37
  38 R0.03a (December 11, 2006)
  39
  40   Improved cluster scan algorithm to write files fast.
  41   Fixed f_mkdir() creates incorrect directory on FAT32.
  42
  43
  44
  45 R0.04 (February 04, 2007)
  46
  47   Added f_mkfs().
  48   Supported multiple drive system.
  49   Changed some interfaces for multiple drive system.
  50   Changed f_mountdrv() to f_mount().
  51
  52
  53
  54 R0.04a (April 01, 2007)
  55
  56   Supported multiple partitions on a physical drive.
  57   Added a capability of extending file size to f_lseek().
  58   Added minimization level 3.
  59   Fixed an endian sensitive code in f_mkfs().
  60
  61
  62
  63 R0.04b (May 05, 2007)
  64
  65   Added a configuration option _USE_NTFLAG.
  66   Added FSINFO support.
  67   Fixed DBCS name can result FR_INVALID_NAME.
  68   Fixed short seek (<= csize) collapses the file object.
  69
  70
  71
  72 R0.05 (August 25, 2007)
  73
  74   Changed arguments of f_read(), f_write() and f_mkfs().
  75   Fixed f_mkfs() on FAT32 creates incorrect FSINFO.
  76   Fixed f_mkdir() on FAT32 creates incorrect directory.
  77
  78
  79
  80 R0.05a (February 03, 2008)
  81
  82   Added f_truncate() and f_utime().
  83   Fixed off by one error at FAT sub-type determination.
  84   Fixed btr in f_read() can be mistruncated.
  85   Fixed cached sector is not flushed when create and close without write.
  86
  87
  88
  89 R0.06 (April 01, 2008)
  90
  91   Added fputc(), fputs(), fprintf() and fgets().
  92   Improved performance of f_lseek() on moving to the same or following cluster.
  93
  94
  95
  96 R0.07 (April 01, 2009)
  97
  98   Merged Tiny-FatFs as a configuration option. (_FS_TINY)
  99   Added long file name feature. (_USE_LFN)
 100   Added multiple code page feature. (_CODE_PAGE)
 101   Added re-entrancy for multitask operation. (_FS_REENTRANT)
 102   Added auto cluster size selection to f_mkfs().
 103   Added rewind option to f_readdir().
 104   Changed result code of critical errors.
 105   Renamed string functions to avoid name collision.
 106
 107
 108
 109 R0.07a (April 14, 2009)
 110
 111   Septemberarated out OS dependent code on reentrant cfg.
 112   Added multiple sector size feature.
 113
 114
 115
 116 R0.07c (June 21, 2009)
 117
 118   Fixed f_unlink() can return FR_OK on error.
 119   Fixed wrong cache control in f_lseek().
 120   Added relative path feature.
 121   Added f_chdir() and f_chdrive().
 122   Added proper case conversion to extended character.
 123
 124
 125
 126 R0.07e (November 03, 2009)
 127
 128   Septemberarated out configuration options from ff.h to ffconf.h.
 129   Fixed f_unlink() fails to remove a sub-directory on _FS_RPATH.
 130   Fixed name matching error on the 13 character boundary.
 131   Added a configuration option, _LFN_UNICODE.
 132   Changed f_readdir() to return the SFN with always upper case on non-LFN cfg.
 133
 134
 135
 136 R0.08 (May 15, 2010)
 137
 138   Added a memory configuration option. (_USE_LFN = 3)
 139   Added file lock feature. (_FS_SHARE)
 140   Added fast seek feature. (_USE_FASTSEEK)
 141   Changed some types on the API, XCHAR->TCHAR.
 142   Changed .fname in the FILINFO structure on Unicode cfg.
 143   String functions support UTF-8 encoding files on Unicode cfg.
 144
 145
 146
 147 R0.08a (August 16, 2010)
 148
 149   Added f_getcwd(). (_FS_RPATH = 2)
 150   Added sector erase feature. (_USE_ERASE)
 151   Moved file lock semaphore table from fs object to the bss.
 152   Fixed f_mkfs() creates wrong FAT32 volume.
 153
 154
 155
 156 R0.08b (January 15, 2011)
 157
 158   Fast seek feature is also applied to f_read() and f_write().
 159   f_lseek() reports required table size on creating CLMP.
 160   Extended format syntax of f_printf().
 161   Ignores duplicated directory separators in given path name.
 162
 163
 164
 165 R0.09 (September 06, 2011)
 166
 167   f_mkfs() supports multiple partition to complete the multiple partition feature.
 168   Added f_fdisk().
 169
 170
 171
 172 R0.09a (August 27, 2012)
 173
 174   Changed f_open() and f_opendir() reject null object pointer to avoid crash.
 175   Changed option name _FS_SHARE to _FS_LOCK.
 176   Fixed assertion failure due to OS/2 EA on FAT12/16 volume.
 177
 178
 179
 180 R0.09b (January 24, 2013)
 181
 182   Added f_setlabel() and f_getlabel().
 183
 184
 185
 186 R0.10 (October 02, 2013)
 187
 188   Added selection of character encoding on the file. (_STRF_ENCODE)
 189   Added f_closedir().
 190   Added forced full FAT scan for f_getfree(). (_FS_NOFSINFO)
 191   Added forced mount feature with changes of f_mount().
 192   Improved behavior of volume auto detection.
 193   Improved write throughput of f_puts() and f_printf().
 194   Changed argument of f_chdrive(), f_mkfs(), disk_read() and disk_write().
 195   Fixed f_write() can be truncated when the file size is close to 4GB.
 196   Fixed f_open(), f_mkdir() and f_setlabel() can return incorrect value on error.
 197
 198
 199
 200 R0.10a (January 15, 2014)
 201
 202   Added arbitrary strings as drive number in the path name. (_STR_VOLUME_ID)
 203   Added a configuration option of minimum sector size. (_MIN_SS)
 204   2nd argument of f_rename() can have a drive number and it will be ignored.
 205   Fixed f_mount() with forced mount fails when drive number is >= 1. (appeared at R0.10)
 206   Fixed f_close() invalidates the file object without volume lock.
 207   Fixed f_closedir() returns but the volume lock is left acquired. (appeared at R0.10)
 208   Fixed creation of an entry with LFN fails on too many SFN collisions. (appeared at R0.07)
 209
 210
 211
 212 R0.10b (May 19, 2014)
 213
 214   Fixed a hard error in the disk I/O layer can collapse the directory entry.
 215   Fixed LFN entry is not deleted on delete/rename an object with lossy converted SFN. (appeared at R0.07)
 216
 217
 218
 219 R0.10c (November 09, 2014)
 220
 221   Added a configuration option for the platforms without RTC. (_FS_NORTC)
 222   Changed option name _USE_ERASE to _USE_TRIM.
 223   Fixed volume label created by Mac OS X cannot be retrieved with f_getlabel(). (appeared at R0.09b)
 224   Fixed a potential problem of FAT access that can appear on disk error.
 225   Fixed null pointer dereference on attempting to delete the root direcotry. (appeared at R0.08)
 226
 227
 228
 229 R0.11 (February 09, 2015)
 230
 231   Added f_findfirst(), f_findnext() and f_findclose(). (_USE_FIND)
 232   Fixed f_unlink() does not remove cluster chain of the file. (appeared at R0.10c)
 233   Fixed _FS_NORTC option does not work properly. (appeared at R0.10c)
 234
 235
 236
 237 R0.11a (September 05, 2015)
 238
 239   Fixed wrong media change can lead a deadlock at thread-safe configuration.
 240   Added code page 771, 860, 861, 863, 864, 865 and 869. (_CODE_PAGE)
 241   Removed some code pages actually not exist on the standard systems. (_CODE_PAGE)
 242   Fixed errors in the case conversion teble of code page 437 and 850 (ff.c).
 243   Fixed errors in the case conversion teble of Unicode (cc*.c).
 244
 245
 246
 247 R0.12 (April 12, 2016)
 248
 249   Added support for exFAT file system. (_FS_EXFAT)
 250   Added f_expand(). (_USE_EXPAND)
 251   Changed some members in FINFO structure and behavior of f_readdir().
 252   Added an option _USE_CHMOD.
 253   Removed an option _WORD_ACCESS.
 254   Fixed errors in the case conversion table of Unicode (cc*.c).
 255
 256
 257
 258 R0.12a (July 10, 2016)
 259
 260   Added support for creating exFAT volume with some changes of f_mkfs().
 261   Added a file open method FA_OPEN_APPEND. An f_lseek() following f_open() is no longer needed.
 262   f_forward() is available regardless of _FS_TINY.
 263   Fixed f_mkfs() creates wrong volume. (appeared at R0.12)
 264   Fixed wrong memory read in create_name(). (appeared at R0.12)
 265   Fixed compilation fails at some configurations, _USE_FASTSEEK and _USE_FORWARD.
 266
 267
 268
 269 R0.12b (September 04, 2016)
 270
 271   Improved f_rename() to be able to rename objects with the same name but case.
 272   Fixed an error in the case conversion teble of code page 866. (ff.c)
 273   Fixed writing data is truncated at the file offset 4GiB on the exFAT volume. (appeared at R0.12)
 274   Fixed creating a file in the root directory of exFAT volume can fail. (appeared at R0.12)
 275   Fixed f_mkfs() creating exFAT volume with too small cluster size can collapse unallocated memory. (appeared at R0.12)
 276   Fixed wrong object name can be returned when read directory at Unicode cfg. (appeared at R0.12)
 277   Fixed large file allocation/removing on the exFAT volume collapses allocation bitmap. (appeared at R0.12)
 278   Fixed some internal errors in f_expand() and f_lseek(). (appeared at R0.12)
 279