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/* vi: set sw=4 ts=4: */
/*
* lstat() for uClibc
*
* Copyright (C) 2000-2006 Erik Andersen <andersen@uclibc.org>
*
* Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
*/
#include <sys/syscall.h>
#include <unistd.h>
#include <sys/stat.h>
#if defined __NR_fstatat64 && !defined __NR_lstat
# include <fcntl.h>
int lstat(const char *file_name, struct stat *buf)
{
return fstatat(AT_FDCWD, file_name, buf, AT_SYMLINK_NOFOLLOW);
}
libc_hidden_def(lstat)
#elif __WORDSIZE == 64 && defined __NR_newfstatat
# include <fcntl.h>
int lstat(const char *file_name, struct stat *buf)
{
return fstatat(AT_FDCWD, file_name, buf, AT_SYMLINK_NOFOLLOW);
}
libc_hidden_def(lstat)
/* For systems which have both, prefer the old one */
#else
# include "xstatconv.h"
int lstat(const char *file_name, struct stat *buf)
{
int result;
# ifdef __NR_lstat64
/* normal stat call has limited values for various stat elements
* e.g. uid device major/minor etc.
* so we use 64 variant if available
* in order to get newer versions of stat elements
*/
struct kernel_stat64 kbuf;
result = INLINE_SYSCALL(lstat64, 2, file_name, &kbuf);
if (result == 0) {
__xstat32_conv(&kbuf, buf);
}
# else
struct kernel_stat kbuf;
result = INLINE_SYSCALL(lstat, 2, file_name, &kbuf);
if (result == 0) {
__xstat_conv(&kbuf, buf);
}
# endif /* __NR_lstat64 */
return result;
}
libc_hidden_def(lstat)
# if ! defined __NR_fstatat64 && ! defined __NR_lstat64
strong_alias_untyped(lstat,lstat64)
libc_hidden_def(lstat64)
# endif
#endif /* __NR_fstatat64 */
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