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061eaf0244
The 551101e824 change is incorrect for
alpha and sparc, since __NR_stat is defined by both kABI. Use
__NR_newfstat to check whether to fallback to __NR_fstat64 (similar
to what fstatat64 does).
Checked on sparc64-linux-gnu.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
101 lines
2.8 KiB
C
101 lines
2.8 KiB
C
/* Get file status. Linux version.
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Copyright (C) 2020-2024 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<https://www.gnu.org/licenses/>. */
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#define __fstat __redirect___fstat
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#define fstat __redirect_fstat
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#include <sys/stat.h>
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#undef __fstat
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#undef fstat
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#include <fcntl.h>
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#include <internal-stat.h>
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#include <errno.h>
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int
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__fstat64_time64 (int fd, struct __stat64_t64 *buf)
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{
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#if !FSTATAT_USE_STATX
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# if XSTAT_IS_XSTAT64
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/* The __NR_stat macro is defined for all ABIs that also define
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XSTAT_IS_STAT64, so to correctly identify alpha and sparc check
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__NR_newfstatat (similar to what fstatat64 does). */
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# ifdef __NR_newfstatat
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/* 64-bit kABI, e.g. aarch64, ia64, powerpc64*, s390x, riscv64, and
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x86_64. */
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return INLINE_SYSCALL_CALL (fstat, fd, buf);
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# elif defined __NR_fstat64
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# if STAT64_IS_KERNEL_STAT64
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/* 64-bit kABI outlier, e.g. alpha */
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return INLINE_SYSCALL_CALL (fstat64, fd, buf);
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# else
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/* 64-bit kABI outlier, e.g. sparc64. */
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struct kernel_stat64 kst64;
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int r = INLINE_SYSCALL_CALL (fstat64, fd, &kst64);
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if (r == 0)
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__cp_stat64_kstat64 (buf, &kst64);
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return r;
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# endif /* STAT64_IS_KERNEL_STAT64 */
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# endif
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# else /* XSTAT_IS_XSTAT64 */
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/* 64-bit kabi outlier, e.g. mips64 and mips64-n32. */
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struct kernel_stat kst;
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int r = INLINE_SYSCALL_CALL (fstat, fd, &kst);
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if (r == 0)
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__cp_kstat_stat64_t64 (&kst, buf);
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return r;
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# endif
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#else /* !FSTATAT_USE_STATX */
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/* All kABIs with non-LFS support and with old 32-bit time_t support
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e.g. arm, csky, i386, hppa, m68k, microblaze, nios2, sh, powerpc32,
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and sparc32. */
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if (fd < 0)
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{
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__set_errno (EBADF);
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return -1;
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}
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return __fstatat64_time64 (fd, "", buf, AT_EMPTY_PATH);
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#endif
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}
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#if __TIMESIZE != 64
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hidden_def (__fstat64_time64)
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int
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__fstat64 (int fd, struct stat64 *buf)
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{
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if (fd < 0)
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{
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__set_errno (EBADF);
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return -1;
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}
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struct __stat64_t64 st_t64;
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return __fstat64_time64 (fd, &st_t64)
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?: __cp_stat64_t64_stat64 (&st_t64, buf);
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}
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#endif
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#undef __fstat
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#undef fstat
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hidden_def (__fstat64)
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weak_alias (__fstat64, fstat64)
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#if XSTAT_IS_XSTAT64
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strong_alias (__fstat64, __fstat)
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weak_alias (__fstat64, fstat)
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#endif
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