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fix bugs in lseek in dfs_posix.c and dfs_jffs2.c

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git-svn-id: https://rt-thread.googlecode.com/svn/trunk@1946 bbd45198-f89e-11dd-88c7-29a3b14d5316
This commit is contained in:
goprife@gmail.com
2012-02-15 07:28:47 +00:00
parent 70463829c5
commit 6202b6c155
2 changed files with 10 additions and 3 deletions
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components/dfs/src/dfs_posix.c
+6 -1
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@@ -199,11 +199,16 @@ off_t lseek(int fd, off_t offset, int whence)
case DFS_SEEK_END:
offset += d->size;
break;
default:
rt_set_errno(-DFS_STATUS_EINVAL);
return -1;
}
if (offset < 0)
{
rt_set_errno(DFS_STATUS_EINVAL);
rt_set_errno(-DFS_STATUS_EINVAL);
return -1;
}
result = dfs_file_lseek(d, offset);