mirror of
https://sourceware.org/git/glibc.git
synced 2025-10-30 10:45:40 +03:00
101 lines
2.8 KiB
C
101 lines
2.8 KiB
C
/* Get file status. Linux version.
|
|
Copyright (C) 2020-2025 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 __fstat __redirect___fstat
|
|
#define fstat __redirect_fstat
|
|
#include <sys/stat.h>
|
|
#undef __fstat
|
|
#undef fstat
|
|
#include <fcntl.h>
|
|
#include <internal-stat.h>
|
|
#include <errno.h>
|
|
|
|
int
|
|
__fstat64_time64 (int fd, struct __stat64_t64 *buf)
|
|
{
|
|
#if !FSTATAT_USE_STATX
|
|
# if XSTAT_IS_XSTAT64
|
|
/* The __NR_stat macro is defined for all ABIs that also define
|
|
XSTAT_IS_STAT64, so to correctly identify alpha and sparc check
|
|
__NR_newfstatat (similar to what fstatat64 does). */
|
|
# ifdef __NR_newfstatat
|
|
/* 64-bit kABI, e.g. aarch64, ia64, powerpc64*, s390x, riscv64, and
|
|
x86_64. */
|
|
return INLINE_SYSCALL_CALL (fstat, fd, buf);
|
|
# elif defined __NR_fstat64
|
|
# if STAT64_IS_KERNEL_STAT64
|
|
/* 64-bit kABI outlier, e.g. alpha */
|
|
return INLINE_SYSCALL_CALL (fstat64, fd, buf);
|
|
# else
|
|
/* 64-bit kABI outlier, e.g. sparc64. */
|
|
struct kernel_stat64 kst64;
|
|
int r = INLINE_SYSCALL_CALL (fstat64, fd, &kst64);
|
|
if (r == 0)
|
|
__cp_stat64_kstat64 (buf, &kst64);
|
|
return r;
|
|
# endif /* STAT64_IS_KERNEL_STAT64 */
|
|
# endif
|
|
# else /* XSTAT_IS_XSTAT64 */
|
|
/* 64-bit kabi outlier, e.g. mips64 and mips64-n32. */
|
|
struct kernel_stat kst;
|
|
int r = INLINE_SYSCALL_CALL (fstat, fd, &kst);
|
|
if (r == 0)
|
|
__cp_kstat_stat64_t64 (&kst, buf);
|
|
return r;
|
|
# endif
|
|
#else /* !FSTATAT_USE_STATX */
|
|
/* All kABIs with non-LFS support and with old 32-bit time_t support
|
|
e.g. arm, csky, i386, hppa, m68k, microblaze, sh, powerpc32,
|
|
and sparc32. */
|
|
if (fd < 0)
|
|
{
|
|
__set_errno (EBADF);
|
|
return -1;
|
|
}
|
|
return __fstatat64_time64 (fd, "", buf, AT_EMPTY_PATH);
|
|
#endif
|
|
}
|
|
#if __TIMESIZE != 64
|
|
hidden_def (__fstat64_time64)
|
|
|
|
int
|
|
__fstat64 (int fd, struct stat64 *buf)
|
|
{
|
|
if (fd < 0)
|
|
{
|
|
__set_errno (EBADF);
|
|
return -1;
|
|
}
|
|
|
|
struct __stat64_t64 st_t64;
|
|
return __fstat64_time64 (fd, &st_t64)
|
|
?: __cp_stat64_t64_stat64 (&st_t64, buf);
|
|
}
|
|
#endif
|
|
|
|
#undef __fstat
|
|
#undef fstat
|
|
|
|
hidden_def (__fstat64)
|
|
weak_alias (__fstat64, fstat64)
|
|
|
|
#if XSTAT_IS_XSTAT64
|
|
strong_alias (__fstat64, __fstat)
|
|
weak_alias (__fstat64, fstat)
|
|
#endif
|