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/* Get file status. Linux version.
Copyright (C) 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 __fstatat __redirect___fstatat
#define fstatat __redirect_fstatat
#include <sys/stat.h>
#undef __fstatat
#undef fstatat
#include <fcntl.h>
#include <kernel_stat.h>
#include <sysdep.h>
#include <statx_cp.h>
#include <kstat_cp.h>
int
__fstatat64 (int fd, const char *file, struct stat64 *buf, int flag)
{
#if XSTAT_IS_XSTAT64
# ifdef __NR_newfstatat
/* 64-bit kABI, e.g. aarch64, ia64, powerpc64*, s390x, riscv64, and
x86_64. */
return INLINE_SYSCALL_CALL (newfstatat, fd, file, buf, flag);
# elif defined __NR_fstatat64
# if STAT64_IS_KERNEL_STAT64
/* 64-bit kABI outlier, e.g. alpha. */
return INLINE_SYSCALL_CALL (fstatat64, fd, file, buf, flag);
# else
/* 64-bit kABI outlier, e.g. sparc64. */
struct kernel_stat64 kst64;
int r = INLINE_SYSCALL_CALL (fstatat64, fd, file, &kst64, flag);
return r ?: __cp_stat64_kstat64 (buf, &kst64);
# endif
# else
/* 32-bit kABI with default 64-bit time_t, e.g. arc, riscv32. */
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 (buf, &tmp);
return r;
# endif
#else
# ifdef __NR_fstatat64
/* All kABIs with non-LFS support, e.g. arm, csky, i386, hppa, m68k,
microblaze, nios2, sh, powerpc32, and sparc32. */
return INLINE_SYSCALL_CALL (fstatat64, fd, file, buf, flag);
# else
/* 64-bit kabi outlier, e.g. mips64 and mips64-n32. */
struct kernel_stat kst;
int r = INLINE_SYSCALL_CALL (newfstatat, fd, file, &kst, flag);
return r ?: __cp_kstat_stat64 (&kst, buf);
# endif
#endif
}
hidden_def (__fstatat64)
weak_alias (__fstatat64, fstatat64)
#if XSTAT_IS_XSTAT64
strong_alias (__fstatat64, __fstatat)
weak_alias (__fstatat64, fstatat)
strong_alias (__fstatat64, __GI___fstatat);
#endif
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