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sandbox: add lseek helper

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Follow up patches want to be able to seek fd's.

Acked-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
This commit is contained in:
Mike Frysinger
2011-10-25 13:02:58 +02:00
parent 4f345d5673
commit e2dcefcb40
2 changed files with 28 additions and 0 deletions
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13
arch/sandbox/cpu/os.c
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@@ -45,6 +45,19 @@ ssize_t os_write(int fd, const void *buf, size_t count)
return write(fd, buf, count);
}
off_t os_lseek(int fd, off_t offset, int whence)
{
if (whence == OS_SEEK_SET)
whence = SEEK_SET;
else if (whence == OS_SEEK_CUR)
whence = SEEK_CUR;
else if (whence == OS_SEEK_END)
whence = SEEK_END;
else
os_exit(1);
return lseek(fd, offset, whence);
}
int os_open(const char *pathname, int flags)
{
return open(pathname, flags);