369 lines
12 KiB
Plaintext
369 lines
12 KiB
Plaintext
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----------------------------------------------------------------------------
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Revision history of FatFs module
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----------------------------------------------------------------------------
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R0.00 (February 26, 2006)
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Prototype.
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R0.01 (April 29, 2006)
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The first release.
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R0.02 (June 01, 2006)
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Added FAT12 support.
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Removed unbuffered mode.
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Fixed a problem on small (<32M) partition.
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R0.02a (June 10, 2006)
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Added a configuration option (_FS_MINIMUM).
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R0.03 (September 22, 2006)
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Added f_rename().
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Changed option _FS_MINIMUM to _FS_MINIMIZE.
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R0.03a (December 11, 2006)
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Improved cluster scan algorithm to write files fast.
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Fixed f_mkdir() creates incorrect directory on FAT32.
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R0.04 (February 04, 2007)
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Added f_mkfs().
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Supported multiple drive system.
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Changed some interfaces for multiple drive system.
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Changed f_mountdrv() to f_mount().
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R0.04a (April 01, 2007)
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Supported multiple partitions on a physical drive.
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Added a capability of extending file size to f_lseek().
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Added minimization level 3.
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Fixed an endian sensitive code in f_mkfs().
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R0.04b (May 05, 2007)
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Added a configuration option _USE_NTFLAG.
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Added FSINFO support.
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Fixed DBCS name can result FR_INVALID_NAME.
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Fixed short seek (<= csize) collapses the file object.
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R0.05 (August 25, 2007)
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Changed arguments of f_read(), f_write() and f_mkfs().
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Fixed f_mkfs() on FAT32 creates incorrect FSINFO.
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Fixed f_mkdir() on FAT32 creates incorrect directory.
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R0.05a (February 03, 2008)
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Added f_truncate() and f_utime().
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Fixed off by one error at FAT sub-type determination.
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Fixed btr in f_read() can be mistruncated.
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Fixed cached sector is not flushed when create and close without write.
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R0.06 (April 01, 2008)
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Added fputc(), fputs(), fprintf() and fgets().
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Improved performance of f_lseek() on moving to the same or following cluster.
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R0.07 (April 01, 2009)
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Merged Tiny-FatFs as a configuration option. (_FS_TINY)
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Added long file name feature. (_USE_LFN)
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Added multiple code page feature. (_CODE_PAGE)
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Added re-entrancy for multitask operation. (_FS_REENTRANT)
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Added auto cluster size selection to f_mkfs().
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Added rewind option to f_readdir().
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Changed result code of critical errors.
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Renamed string functions to avoid name collision.
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R0.07a (April 14, 2009)
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Septemberarated out OS dependent code on reentrant cfg.
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Added multiple sector size feature.
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R0.07c (June 21, 2009)
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Fixed f_unlink() can return FR_OK on error.
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Fixed wrong cache control in f_lseek().
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Added relative path feature.
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Added f_chdir() and f_chdrive().
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Added proper case conversion to extended character.
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R0.07e (November 03, 2009)
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Septemberarated out configuration options from ff.h to ffconf.h.
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Fixed f_unlink() fails to remove a sub-directory on _FS_RPATH.
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Fixed name matching error on the 13 character boundary.
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Added a configuration option, _LFN_UNICODE.
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Changed f_readdir() to return the SFN with always upper case on non-LFN cfg.
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R0.08 (May 15, 2010)
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Added a memory configuration option. (_USE_LFN = 3)
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Added file lock feature. (_FS_SHARE)
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Added fast seek feature. (_USE_FASTSEEK)
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Changed some types on the API, XCHAR->TCHAR.
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Changed .fname in the FILINFO structure on Unicode cfg.
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String functions support UTF-8 encoding files on Unicode cfg.
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R0.08a (August 16, 2010)
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Added f_getcwd(). (_FS_RPATH = 2)
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Added sector erase feature. (_USE_ERASE)
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Moved file lock semaphore table from fs object to the bss.
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Fixed f_mkfs() creates wrong FAT32 volume.
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R0.08b (January 15, 2011)
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Fast seek feature is also applied to f_read() and f_write().
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f_lseek() reports required table size on creating CLMP.
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Extended format syntax of f_printf().
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Ignores duplicated directory separators in given path name.
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R0.09 (September 06, 2011)
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f_mkfs() supports multiple partition to complete the multiple partition feature.
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Added f_fdisk().
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R0.09a (August 27, 2012)
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Changed f_open() and f_opendir() reject null object pointer to avoid crash.
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Changed option name _FS_SHARE to _FS_LOCK.
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Fixed assertion failure due to OS/2 EA on FAT12/16 volume.
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R0.09b (January 24, 2013)
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Added f_setlabel() and f_getlabel().
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R0.10 (October 02, 2013)
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Added selection of character encoding on the file. (_STRF_ENCODE)
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Added f_closedir().
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Added forced full FAT scan for f_getfree(). (_FS_NOFSINFO)
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Added forced mount feature with changes of f_mount().
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Improved behavior of volume auto detection.
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Improved write throughput of f_puts() and f_printf().
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Changed argument of f_chdrive(), f_mkfs(), disk_read() and disk_write().
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Fixed f_write() can be truncated when the file size is close to 4GB.
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Fixed f_open(), f_mkdir() and f_setlabel() can return incorrect value on error.
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R0.10a (January 15, 2014)
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Added arbitrary strings as drive number in the path name. (_STR_VOLUME_ID)
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Added a configuration option of minimum sector size. (_MIN_SS)
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2nd argument of f_rename() can have a drive number and it will be ignored.
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Fixed f_mount() with forced mount fails when drive number is >= 1. (appeared at R0.10)
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Fixed f_close() invalidates the file object without volume lock.
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Fixed f_closedir() returns but the volume lock is left acquired. (appeared at R0.10)
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Fixed creation of an entry with LFN fails on too many SFN collisions. (appeared at R0.07)
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R0.10b (May 19, 2014)
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Fixed a hard error in the disk I/O layer can collapse the directory entry.
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Fixed LFN entry is not deleted when delete/rename an object with lossy converted SFN. (appeared at R0.07)
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R0.10c (November 09, 2014)
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Added a configuration option for the platforms without RTC. (_FS_NORTC)
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Changed option name _USE_ERASE to _USE_TRIM.
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Fixed volume label created by Mac OS X cannot be retrieved with f_getlabel(). (appeared at R0.09b)
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Fixed a potential problem of FAT access that can appear on disk error.
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Fixed null pointer dereference on attempting to delete the root direcotry. (appeared at R0.08)
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R0.11 (February 09, 2015)
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Added f_findfirst(), f_findnext() and f_findclose(). (_USE_FIND)
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Fixed f_unlink() does not remove cluster chain of the file. (appeared at R0.10c)
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Fixed _FS_NORTC option does not work properly. (appeared at R0.10c)
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R0.11a (September 05, 2015)
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Fixed wrong media change can lead a deadlock at thread-safe configuration.
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Added code page 771, 860, 861, 863, 864, 865 and 869. (_CODE_PAGE)
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Removed some code pages actually not exist on the standard systems. (_CODE_PAGE)
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Fixed errors in the case conversion teble of code page 437 and 850 (ff.c).
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Fixed errors in the case conversion teble of Unicode (cc*.c).
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R0.12 (April 12, 2016)
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Added support for exFAT file system. (_FS_EXFAT)
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Added f_expand(). (_USE_EXPAND)
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Changed some members in FINFO structure and behavior of f_readdir().
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Added an option _USE_CHMOD.
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Removed an option _WORD_ACCESS.
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Fixed errors in the case conversion table of Unicode (cc*.c).
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R0.12a (July 10, 2016)
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Added support for creating exFAT volume with some changes of f_mkfs().
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Added a file open method FA_OPEN_APPEND. An f_lseek() following f_open() is no longer needed.
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f_forward() is available regardless of _FS_TINY.
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Fixed f_mkfs() creates wrong volume. (appeared at R0.12)
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Fixed wrong memory read in create_name(). (appeared at R0.12)
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Fixed compilation fails at some configurations, _USE_FASTSEEK and _USE_FORWARD.
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R0.12b (September 04, 2016)
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Made f_rename() be able to rename objects with the same name but case.
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Fixed an error in the case conversion teble of code page 866. (ff.c)
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Fixed writing data is truncated at the file offset 4GiB on the exFAT volume. (appeared at R0.12)
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Fixed creating a file in the root directory of exFAT volume can fail. (appeared at R0.12)
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Fixed f_mkfs() creating exFAT volume with too small cluster size can collapse unallocated memory. (appeared at R0.12)
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Fixed wrong object name can be returned when read directory at Unicode cfg. (appeared at R0.12)
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Fixed large file allocation/removing on the exFAT volume collapses allocation bitmap. (appeared at R0.12)
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Fixed some internal errors in f_expand() and f_lseek(). (appeared at R0.12)
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R0.12c (March 04, 2017)
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Improved write throughput at the fragmented file on the exFAT volume.
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Made memory usage for exFAT be able to be reduced as decreasing _MAX_LFN.
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Fixed successive f_getfree() can return wrong count on the FAT12/16 volume. (appeared at R0.12)
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Fixed configuration option _VOLUMES cannot be set 10. (appeared at R0.10c)
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R0.13 (May 21, 2017)
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Changed heading character of configuration keywords "_" to "FF_".
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Removed ASCII-only configuration, FF_CODE_PAGE = 1. Use FF_CODE_PAGE = 437 instead.
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Added f_setcp(), run-time code page configuration. (FF_CODE_PAGE = 0)
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Improved cluster allocation time on stretch a deep buried cluster chain.
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Improved processing time of f_mkdir() with large cluster size by using FF_USE_LFN = 3.
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Improved NoFatChain flag of the fragmented file to be set after it is truncated and got contiguous.
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Fixed archive attribute is left not set when a file on the exFAT volume is renamed. (appeared at R0.12)
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Fixed exFAT FAT entry can be collapsed when write or lseek operation to the existing file is done. (appeared at R0.12c)
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Fixed creating a file can fail when a new cluster allocation to the exFAT directory occures. (appeared at R0.12c)
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R0.13a (October 14, 2017)
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Added support for UTF-8 encoding on the API. (FF_LFN_UNICODE = 2)
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Added options for file name output buffer. (FF_LFN_BUF, FF_SFN_BUF).
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Added dynamic memory allocation option for working buffer of f_mkfs() and f_fdisk().
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Fixed f_fdisk() and f_mkfs() create the partition table with wrong CHS parameters. (appeared at R0.09)
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Fixed f_unlink() can cause lost clusters at fragmented file on the exFAT volume. (appeared at R0.12c)
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Fixed f_setlabel() rejects some valid characters for exFAT volume. (appeared at R0.12)
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R0.13b (April 07, 2018)
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Added support for UTF-32 encoding on the API. (FF_LFN_UNICODE = 3)
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Added support for Unix style volume ID. (FF_STR_VOLUME_ID = 2)
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Fixed accesing any object on the exFAT root directory beyond the cluster boundary can fail. (appeared at R0.12c)
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Fixed f_setlabel() does not reject some invalid characters. (appeared at R0.09b)
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R0.13c (October 14, 2018)
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Supported stdint.h for C99 and later. (integer.h was included in ff.h)
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Fixed reading a directory gets infinite loop when the last directory entry is not empty. (appeared at R0.12)
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Fixed creating a sub-directory in the fragmented sub-directory on the exFAT volume collapses FAT chain of the parent directory. (appeared at R0.12)
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Fixed f_getcwd() cause output buffer overrun when the buffer has a valid drive number. (appeared at R0.13b)
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R0.14 (October 14, 2019)
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Added support for 64-bit LBA and GUID partition table (FF_LBA64 = 1)
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Changed some API functions, f_mkfs() and f_fdisk().
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Fixed f_open() function cannot find the file with file name in length of FF_MAX_LFN characters.
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Fixed f_readdir() function cannot retrieve long file names in length of FF_MAX_LFN - 1 characters.
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Fixed f_readdir() function returns file names with wrong case conversion. (appeared at R0.12)
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Fixed f_mkfs() function can fail to create exFAT volume in the second partition. (appeared at R0.12)
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R0.14a (December 5, 2020)
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Limited number of recursive calls in f_findnext().
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Fixed old floppy disks formatted with MS-DOS 2.x and 3.x cannot be mounted.
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Fixed some compiler warnings.
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R0.14b (April 17, 2021)
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Made FatFs uses standard library <string.h> for copy, compare and search instead of built-in string functions.
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Added support for long long integer and floating point to f_printf(). (FF_STRF_LLI and FF_STRF_FP)
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Made path name parser ignore the terminating separator to allow "dir/".
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Improved the compatibility in Unix style path name feature.
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Fixed the file gets dead-locked when f_open() failed with some conditions. (appeared at R0.12a)
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Fixed f_mkfs() can create wrong exFAT volume due to a timing dependent error. (appeared at R0.12)
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Fixed code page 855 cannot be set by f_setcp().
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Fixed some compiler warnings.
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R0.15 (November 6, 2022)
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Changed user provided synchronization functions in order to completely eliminate the platform dependency from FatFs code.
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FF_SYNC_t is removed from the configuration options.
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Fixed a potential error in f_mount when FF_FS_REENTRANT.
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Fixed file lock control FF_FS_LOCK is not mutal excluded when FF_FS_REENTRANT && FF_VOLUMES > 1 is true.
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Fixed f_mkfs() creates broken exFAT volume when the size of volume is >= 2^32 sectors.
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Fixed string functions cannot write the unicode characters not in BMP when FF_LFN_UNICODE == 2 (UTF-8).
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Fixed a compatibility issue in identification of GPT header.
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