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fixed the O_APPEND and lseek issue in DFS FatFS.

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git-svn-id: https://rt-thread.googlecode.com/svn/trunk@2496 bbd45198-f89e-11dd-88c7-29a3b14d5316
This commit is contained in:
bernard.xiong@gmail.com 2012-12-19 01:57:43 +00:00
parent 1fa210e6e3
commit a741197fa7
1 changed files with 5 additions and 1 deletions
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6
components/dfs/filesystems/elmfat/dfs_elm.c
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@ -13,6 +13,7 @@
* 2011-10-08 Bernard fixed the block size in statfs. * 2011-10-08 Bernard fixed the block size in statfs.
* 2011-11-23 Bernard fixed the rename issue. * 2011-11-23 Bernard fixed the rename issue.
* 2012-07-26 aozima implement ff_memalloc and ff_memfree. * 2012-07-26 aozima implement ff_memalloc and ff_memfree.
* 2012-12-19 Bernard fixed the O_APPEND and lseek issue.
*/ */
#include <rtthread.h> #include <rtthread.h>
@ -327,7 +328,9 @@ int dfs_elm_open(struct dfs_fd *file)
if (file->flags & DFS_O_APPEND) if (file->flags & DFS_O_APPEND)
{ {
file->pos = f_lseek(fd, fd->fsize); /* seek to the end of file */
f_lseek(fd, fd->fsize);
file->pos = fd->fptr;
} }
} }
else else
@ -452,6 +455,7 @@ int dfs_elm_lseek(struct dfs_fd *file, rt_off_t offset)
if (result == FR_OK) if (result == FR_OK)
{ {
/* return current position */ /* return current position */
file->pos = fd->fptr;
return fd->fptr; return fd->fptr;
} }
} }