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/*
* fstat() 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 <features.h>
#include <unistd.h>
#include <sys/stat.h>
#include <sys/syscall.h>
#include "xstatconv.h"
#if defined __NR_fstat64 && !defined __NR_fstat
int fstat(int fd, struct stat *buf)
{
return INLINE_SYSCALL(fstat64, 2, fd, buf);
}
libc_hidden_def(fstat)
#elif __WORDSIZE == 64 && defined __NR_newfstatat && !defined __ARCH_HAS_DEPRECATED_SYSCALLS__
#include <fcntl.h>
int fstat(int fd, struct stat *buf)
{
return INLINE_SYSCALL(fstat, 2, fd, buf);
}
libc_hidden_def(fstat)
#elif __NR_statx && defined __UCLIBC_HAVE_STATX__
# include <fcntl.h>
# include <statx_cp.h>
int fstat(int fd, struct stat *buf)
{
struct statx tmp;
int rc = INLINE_SYSCALL (statx, 5, fd, "", AT_EMPTY_PATH,
STATX_BASIC_STATS, &tmp);
if (rc == 0)
__cp_stat_statx ((struct stat *)buf, &tmp);
return rc;
}
libc_hidden_def(fstat)
#elif defined __NR_fstat
int fstat(int fd, struct stat *buf)
{
int result;
# ifdef __NR_fstat64
/* 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(fstat64, 2, fd, &kbuf);
if (result == 0) {
__xstat32_conv(&kbuf, buf);
}
# else
struct kernel_stat kbuf;
result = INLINE_SYSCALL(fstat, 2, fd, &kbuf);
if (result == 0) {
__xstat_conv(&kbuf, buf);
}
# endif
return result;
}
libc_hidden_def(fstat)
#endif
# if ! defined __NR_fstat64 && ! defined __UCLIBC_HAVE_STATX__
strong_alias_untyped(fstat,fstat64)
libc_hidden_def(fstat64)
#endif
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