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/* fxstat64 using Linux fstat64/statx system call.
Copyright (C) 1997-2018 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
#include <errno.h>
#include <stddef.h>
#include <fcntl.h>
#include <sys/stat.h>
#include <kernel_stat.h>
#include <sysdep.h>
#include <sys/syscall.h>
#include <kernel-features.h>
#include <statx_cp.h>
/* Get information about the file FD in BUF. */
int
___fxstat64 (int vers, int fd, struct stat64 *buf)
{
int result;
#ifdef __NR_fstat64
result = INLINE_SYSCALL (fstat64, 2, fd, buf);
#else
struct statx tmp;
result = INLINE_SYSCALL (statx, 5, fd, "", AT_EMPTY_PATH, STATX_BASIC_STATS,
&tmp);
if (result == 0)
__cp_stat64_statx (buf, &tmp);
#endif
#if defined _HAVE_STAT64___ST_INO && !__ASSUME_ST_INO_64_BIT
if (__builtin_expect (!result, 1) && buf->__st_ino != (__ino_t) buf->st_ino)
buf->st_ino = buf->__st_ino;
#endif
return result;
}
#include <shlib-compat.h>
#if SHLIB_COMPAT(libc, GLIBC_2_1, GLIBC_2_2)
versioned_symbol (libc, ___fxstat64, __fxstat64, GLIBC_2_2);
strong_alias (___fxstat64, __old__fxstat64)
compat_symbol (libc, __old__fxstat64, __fxstat64, GLIBC_2_1);
hidden_ver (___fxstat64, __fxstat64)
#else
strong_alias (___fxstat64, __fxstat64)
hidden_def (__fxstat64)
#endif
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