1/* fxstatat used on fstatat, Linux implementation.
2 Copyright (C) 2005-2021 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
9
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
14
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <https://www.gnu.org/licenses/>. */
18
19#include <sys/stat.h>
20#include <fcntl.h>
21#include <kernel_stat.h>
22#include <sysdep.h>
23
24#if !XSTAT_IS_XSTAT64
25# include <xstatconv.h>
26# include <xstatover.h>
27# include <shlib-compat.h>
28
29# if LIB_COMPAT(libc, GLIBC_2_4, GLIBC_2_33)
30
31/* Get information about the file FD in BUF. */
32int
33__fxstatat (int vers, int fd, const char *file, struct stat *st, int flag)
34{
35#if STAT_IS_KERNEL_STAT
36 /* New kABIs which uses generic pre 64-bit time Linux ABI, e.g.
37 csky, nios2 */
38 if (vers == _STAT_VER_KERNEL)
39 {
40 int r = INLINE_SYSCALL_CALL (fstatat64, fd, file, st, flag);
41 return r ?: stat_overflow (st);
42 }
43 return INLINE_SYSCALL_ERROR_RETURN_VALUE (EINVAL);
44#else
45 /* Old kABIs with old non-LFS support, e.g. arm, i386, hppa, m68k, mips32,
46 microblaze, s390, sh, powerpc32, and sparc32. */
47 struct stat64 st64;
48 int r = INLINE_SYSCALL_CALL (fstatat64, fd, file, &st64, flag);
49 return r ?: __xstat32_conv (vers, &st64, st);
50#endif
51}
52
53# endif /* LIB_COMPAT */
54
55#endif /* XSTAT_IS_XSTAT64 */
56