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/* fxstat64 using Linux fstat64/statx system call.
Copyright (C) 1997-2024 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 __fxstat __redirect___fxstat
#include <sys/stat.h>
#undef __fxstat
#include <fcntl.h>
#include <kernel_stat.h>
#include <sysdep.h>
#include <xstatconv.h>
#include <statx_cp.h>
#include <shlib-compat.h>
#if LIB_COMPAT(libc, GLIBC_2_0, GLIBC_2_33)
/* Get information about the file FD in BUF. */
int
___fxstat64 (int vers, int fd, struct stat64 *buf)
{
#if XSTAT_IS_XSTAT64
# ifdef __NR_fstat64
/* 64-bit kABI outlier, e.g. sparc64. */
if (vers == _STAT_VER_KERNEL)
return INLINE_SYSCALL_CALL (fstat, fd, buf);
else
{
struct stat64 st64;
int r = INLINE_SYSCALL_CALL (fstat64, fd, &st64);
return r ?: __xstat32_conv (vers, &st64, (struct stat *) buf);
}
# elif defined __NR_fstat
/* 64-bit kABI, e.g. aarch64, powerpc64*, s390x, riscv64,
and x86_64. */
if (vers == _STAT_VER_KERNEL || vers == _STAT_VER_LINUX)
return INLINE_SYSCALL_CALL (fstat, fd, buf);
return INLINE_SYSCALL_ERROR_RETURN_VALUE (EINVAL);
# else
/* New 32-bit kABIs with only 64-bit time_t support, e.g. arc, riscv32. */
struct statx tmp;
int r = INLINE_SYSCALL_CALL (statx, fd, "", AT_EMPTY_PATH,
STATX_BASIC_STATS, &tmp);
if (r == 0)
__cp_stat64_statx (buf, &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. */
return INLINE_SYSCALL_CALL (fstat64, fd, buf);
#endif /* XSTAT_IS_XSTAT64 */
}
#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);
#else
strong_alias (___fxstat64, __fxstat64)
#endif
#if XSTAT_IS_XSTAT64
strong_alias (___fxstat64, __fxstat)
#endif
#endif /* LIB_COMPAT */
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