X-Git-Url: http://cloudbase.mooo.com/gitweb/z180-stamp.git/blobdiff_plain/70702af1370e44e32fb2c3c507e4759a187b4fe5..289f6a146c0b2087607d8d8659531ea90142779a:/fatfs/documents/updates.txt?ds=inline diff --git a/fatfs/documents/updates.txt b/fatfs/documents/updates.txt new file mode 100644 index 0000000..a0fb273 --- /dev/null +++ b/fatfs/documents/updates.txt @@ -0,0 +1,220 @@ +R0.13b (April 07, 2018) + Added support for UTF-32 encoding on the API. (FF_LFN_UNICODE = 3) + Added support for Unix style volume ID. (FF_STR_VOLUME_ID = 2) + Fixed accesing any object on the exFAT root directory beyond the cluster boundary can fail. (appeared at R0.12c) + Fixed f_setlabel() does not reject some invalid characters. (appeared at R0.09b) + +R0.13a (October 14, 2017) + Added support for UTF-8 encoding on the API. (FF_LFN_UNICODE = 2) + Added options for file name output buffer. (FF_LFN_BUF, FF_SFN_BUF). + Added dynamic memory allocation option for working buffer of f_mkfs() and f_fdisk(). + Fixed f_fdisk() and f_mkfs() create the partition table with wrong CHS parameters. (appeared at R0.09) + Fixed f_unlink() can cause lost clusters at fragmented file on the exFAT volume. (appeared at R0.12c) + Fixed f_setlabel() rejects some valid characters for exFAT volume. (appeared at R0.12) + +R0.13 (May 21, 2017) + Changed heading character of configuration keywords "_" to "FF_". + Removed ASCII-only configuration, FF_CODE_PAGE = 1. Use FF_CODE_PAGE = 437 instead. + Added f_setcp(), run-time code page configuration. (FF_CODE_PAGE = 0) + Improved cluster allocation time on stretch a deep buried cluster chain. + Improved processing time of f_mkdir() with large cluster size by using FF_USE_LFN = 3. + Improved NoFatChain flag of the fragmented file to be set after it is truncated and got contiguous. + Fixed archive attribute is left not set when a file on the exFAT volume is renamed. (appeared at R0.12) + Fixed exFAT FAT entry can be collapsed when write or lseek operation to the existing file is done. (appeared at R0.12c) + Fixed creating a file can fail when a new cluster allocation to the exFAT directory occures. (appeared at R0.12c) + +R0.12c (March 04, 2017) + Improved write throughput at the fragmented file on the exFAT volume. + Made memory usage for exFAT be able to be reduced as decreasing _MAX_LFN. + Fixed successive f_getfree() can return wrong count on the FAT12/16 volume. (appeared at R0.12) + Fixed configuration option _VOLUMES cannot be set 10. (appeared at R0.10c) + +R0.12b (September 4, 2016) + Made f_rename() be able to rename objects with the same name but case. + Fixed an error in the case conversion teble of code page 866. (ff.c) + Fixed writing data is truncated at the file offset 4GiB on the exFAT volume. (appeared at R0.12) + Fixed creating a file in the root directory of exFAT volume can fail. (appeared at R0.12) + Fixed f_mkfs() creating exFAT volume with too small cluster size can collapse unallocated memory. (appeared at R0.12a) + Fixed wrong object name can be returned when read directory at Unicode cfg. (appeared at R0.12) + Fixed large file allocation/removing on the exFAT volume collapses allocation bitmap. (appeared at R0.12) + Fixed some internal errors in f_expand() and f_lseek(). (appeared at R0.12) + +R0.12a (July 10, 2016) + Added support for creating exFAT volume with some changes of f_mkfs(). + Added a file open method FA_OPEN_APPEND. An f_lseek() following f_open() is no longer needed. + f_forward() is available regardless of _FS_TINY. + Fixed f_mkfs() creates wrong volume. (appeared at R0.12) + Fixed wrong memory read in create_name(). (appeared at R0.12) + Fixed compilation fails at some configurations, _USE_FASTSEEK and _USE_FORWARD. + +R0.12 (April 12, 2016) + Added support for exFAT file system. (_FS_EXFAT) + Added f_expand(). (_USE_EXPAND) + Changed some members in FINFO structure and behavior of f_readdir(). + Added an option _USE_CHMOD and removed an option _WORD_ACCESS. + Fixed errors in the case conversion teble of Unicode (cc*.c). + +R0.11a (September 5, 2015) + Fixed wrong media change can lead a deadlock at thread-safe configuration. + Added code page 771, 860, 861, 863, 864, 865 and 869. (_CODE_PAGE) + Removed some code pages actually not exist on the standard systems. (_CODE_PAGE) + Fixed errors in the case conversion teble of code page 437 and 850 (ff.c). + Fixed errors in the case conversion teble of Unicode (cc*.c). + +R0.11 (February 9, 2015) + Added f_findfirst() and f_findnext(). (_USE_FIND) + Fixed f_unlink() does not remove cluster chain of the file. (appeared at R0.10c) + Fixed _FS_NORTC option does not work properly. (appeared at R0.10c) + +R0.10c (November 9, 2014) + Added a configuration option for the platforms without RTC. (_FS_NORTC) + Fixed volume label created by Mac OS X cannot be retrieved with f_getlabel(). (appeared at R0.09b) + Fixed a potential problem of FAT access that can appear on disk error. + Fixed null pointer dereference on attempting to delete the root direcotry. (appeared at R0.08) + +R0.10b (May 19, 2014) + Fixed a hard error in the disk I/O layer can collapse the directory entry. + Fixed LFN entry is not deleted on delete/rename an object with its lossy converted SFN. (appeared at R0.07) + +R0.10a (January 15, 2014) + Added arbitrary strings as drive number in the path name. (_STR_VOLUME_ID) + Added an option for minimum sector size. (_MIN_SS) + 2nd argument of f_rename() can have a drive number and it will be ignored. + Fixed f_mount() with forced mount fails when drive number is larger than 0. (appeared at R0.10) + Fixed f_close() invalidates the file object without volume lock. + Fixed volume lock is left acquired after return from f_closedir(). (appeared at R0.10) + Fixed creation of a directory entry with LFN fails on too many SFN collisions. (appeared at R0.07) + +R0.10 (October 2, 2013) + Added an option for character encoding on the file. (_STRF_ENCODE) + Added f_closedir(). + Added forced full FAT scan option for f_getfree(). (_FS_NOFSINFO) + Added forced mount option with changes of f_mount(). + Improved behavior of volume auto detection. + Improved write throughput of f_puts() and f_printf(). + Changed argument of f_chdrive(), f_mkfs(), disk_read() and disk_write(). + Fixed f_write() can be truncated when the file size is close to 4GB. + Fixed f_open(), f_mkdir() and f_setlabel() can return incorrect result code on error. + +R0.09b (January 24, 2013) + Added f_getlabel() and f_setlabel(). (_USE_LABEL = 1) + +R0.09a (August 27, 2012) + Fixed assertion failure due to OS/2 EA on FAT12/16 volume. + Changed file functions reject null object pointer to avoid crash. + Changed option name _FS_SHARE to _FS_LOCK. + +R0.09 (September 6, 2011) + f_mkfs() supports multiple partition on a physical drive. + Added f_fdisk(). (_MULTI_PARTITION = 2) + +R0.08b (January 15, 2011) + Fast seek function is also applied to f_read() and f_write(). + f_lseek() reports required table size on creating CLMP. + Extended format syntax of f_printf(). + Ignores duplicated directory separators in given path names. + +R0.08a (August 16, 2010) + Added f_getcwd(). (_FS_RPATH = 2) + Added sector erase function. (_USE_ERASE) + Moved file lock semaphore table from fs object to the bss. + Fixed a wrong directory entry is created on non-LFN cfg when the given name contains ';'. + Fixed f_mkfs() creates wrong FAT32 volume. + +R0.08 (May 15, 2010) + Added a memory configuration option. (_USE_LFN) + Added support of file lock. (_FS_SHARE) + Added fast seek function. (_USE_FASTSEEK) + Changed some types on the API, XCHAR->TCHAR. + Changed fname member in the FILINFO structure on Unicode cfg. + String functions support UTF-8 encoding files on Unicode cfg. + +R0.07e (November 3, 2009) + Separated out configuration options from ff.h to ffconf.h. + Added a configuration option, _LFN_UNICODE. + Fixed f_unlink() fails to remove a sub-dir on _FS_RPATH. + Fixed name matching error on the 13 char boundary. + Changed f_readdir() to return the SFN with always upper case on non-LFN cfg. + +R0.07c (Junuary 21, 2009) + Fixed f_unlink() may return FR_OK on error. + Fixed wrong cache control in f_lseek(). + Added support of relative path. + Added f_chdir(). + Added f_chdrive(). + Added proper case conversion to extended characters. + +R0.07a (April 14, 2009) + Separated out OS dependent code on re-entrant configuration. + Added multiple sector size support. + +R0.07 (April 1, 2009) + Merged Tiny-FatFs into FatFs as a buffer configuration option. + Added long file name support. + Added multiple code page support. + Added re-entrancy for multitask operation. + Added auto cluster size selection to f_mkfs(). + Added rewind option to f_readdir(). + Changed result code of critical errors. + Renamed string functions to avoid name collision. + +R0.06 (April 1, 2008) + Added f_forward. (Tiny-FatFs) + Added string functions: fgets, fputc, fputs and fprintf. + Improved performance of f_lseek on moving to the same or following cluster. + +R0.05a (February 3, 2008) + Added f_truncate. + Added f_utime. + Fixed off by one error at FAT sub-type determination. + Fixed btr in f_read can be mistruncated. + Fixed cached sector is left not flushed when create and close without write. + +R0.05 (August 26, 2007) + Changed arguments of f_read, f_write. + Changed arguments of f_mkfs. (FatFs) + Fixed f_mkfs on FAT32 creates incorrect FSInfo. (FatFs) + Fixed f_mkdir on FAT32 creates incorrect directory. (FatFs) + +R0.04b (May 5, 2007) + Added _USE_NTFLAG option. + Added FSInfo support. + Fixed some problems corresponds to FAT32. (Tiny-FatFs) + Fixed DBCS name can result FR_INVALID_NAME. + Fixed short seek (<= csize) collapses the file object. + +R0.04a (April 1, 2007) + Supported multiple partitions on a plysical drive. (FatFs) + Added minimization level 3. + Added a capability of extending file size to f_lseek. + Fixed an endian sensitive code in f_mkfs. (FatFs) + Fixed a problem corresponds to FAT32 support. (Tiny-FatFs) + +R0.04 (February 4, 2007) + Supported multiple drive system. (FatFs) + Changed some APIs for multiple drive system. + Added f_mkfs. (FatFs) + Added _USE_FAT32 option. (Tiny-FatFs) + +R0.03a (December 11, 2006) + Improved cluster scan algolithm to write files fast. + Fixed f_mkdir creates incorrect directory on FAT32. + +R0.03 (September 22, 2006) + Added f_rename. + Changed option _FS_MINIMUM to _FS_MINIMIZE. + +R0.02a (June 10, 2006) + Added a configuration option _FS_MINIMUM. + +R0.02 (Jun 01, 2006) + Added FAT12. + Removed unbuffered mode. + Fixed a problem on small (<32M) patition. + +R0.01 (April 29, 2006) + First release + +R0.00 (February 26, 2006) + Prototype (not released) +