1/* lxstat using old-style Unix stat system call.
2 Copyright (C) 1991-2021 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#include <shlib-compat.h>
24
25#if !XSTAT_IS_XSTAT64
26# include <xstatconv.h>
27# include <xstatover.h>
28
29# if LIB_COMPAT(libc, GLIBC_2_0, GLIBC_2_33)
30
31/* Get information about the file NAME in BUF. */
32int
33__lxstat (int vers, const char *name, struct stat *buf)
34{
35 switch (vers)
36 {
37 case _STAT_VER_KERNEL:
38 {
39# if STAT_IS_KERNEL_STAT
40 /* New kABIs which uses generic pre 64-bit time Linux ABI,
41 e.g. csky, nios2 */
42 int r = INLINE_SYSCALL_CALL (fstatat64, AT_FDCWD, name, buf,
43 AT_SYMLINK_NOFOLLOW);
44 return r ?: stat_overflow (buf);
45# else
46 /* Old kABIs with old non-LFS support, e.g. arm, i386, hppa, m68k,
47 microblaze, s390, sh, powerpc, and sparc. */
48 return INLINE_SYSCALL_CALL (lstat, name, buf);
49# endif
50 }
51
52 default:
53 {
54# if STAT_IS_KERNEL_STAT
55 return INLINE_SYSCALL_ERROR_RETURN_VALUE (EINVAL);
56# else
57 struct stat64 buf64;
58 int r = INLINE_SYSCALL_CALL (lstat64, name, &buf64);
59 return r ?: __xstat32_conv (vers, &buf64, buf);
60#endif
61 }
62 }
63}
64
65# endif /* SHLIB_COMPAT */
66
67#endif /* XSTAT_IS_XSTAT64 */
68