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/* fxstatat64 used on fstatat64, Linux implementation.
Copyright (C) 2005-2020 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
<https://www.gnu.org/licenses/>. */
#define __fxstatat __redirect___fxstatat
#include <sys/stat.h>
#undef __fxstatat
#include <fcntl.h>
#include <kernel_stat.h>
#include <sysdep.h>
#include <xstatconv.h>
#include <statx_cp.h>
#include <shlib-compat.h>
#if SHLIB_COMPAT(libc, GLIBC_2_4, GLIBC_2_33)
/* Get information about the file FD in BUF. */
int
attribute_compat_text_section
__fxstatat64 (int vers, int fd, const char *file, struct stat64 *st, int flag)
{
#if XSTAT_IS_XSTAT64
# ifdef __NR_newfstatat
/* 64-bit kABI, e.g. aarch64, ia64, powerpc64*, s390x, riscv64, and
x86_64. */
if (vers == _STAT_VER_KERNEL || vers == _STAT_VER_LINUX)
return INLINE_SYSCALL_CALL (newfstatat, fd, file, st, flag);
# elif defined __NR_fstatat64
/* 64-bit kABI outlier, e.g. sparc64. */
struct stat64 st64;
int r = INLINE_SYSCALL_CALL (fstatat64, fd, file, &st64, flag);
return r ?: __xstat32_conv (vers, &st64, (struct stat *) st);
# else
/* New 32-bit kABIs with only 64-bit time_t support, e.g. arc, riscv32. */
if (vers == _STAT_VER_KERNEL)
{
struct statx tmp;
int r = INLINE_SYSCALL_CALL (statx, fd, file, AT_NO_AUTOMOUNT | flag,
STATX_BASIC_STATS, &tmp);
if (r == 0)
__cp_stat64_statx (st, &tmp);
return r;
}
# endif
#else
/* All kABIs with non-LFS support, e.g. arm, csky, i386, hppa, m68k,
microblaze, mips32, nios2, sh, powerpc32, and sparc32. */
if (vers == _STAT_VER_LINUX)
return INLINE_SYSCALL_CALL (fstatat64, fd, file, st, flag);
#endif
return INLINE_SYSCALL_ERROR_RETURN_VALUE (EINVAL);
}
compat_symbol (libc, __fxstatat64, __fxstatat64, GLIBC_2_4);
#if XSTAT_IS_XSTAT64
strong_alias (__fxstatat64, __fxstatat_compat)
compat_symbol (libc, __fxstatat_compat, __fxstatat, GLIBC_2_4);
#endif
#endif /* SHLIB_COMPAT(libc, GLIBC_2_4, GLIBC_2_33) */
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