1 | /* xstat using old-style Unix stat system call. |
2 | Copyright (C) 1991-2023 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_0, GLIBC_2_33) |
30 | |
31 | /* Get information about the file NAME in BUF. */ |
32 | int |
33 | __xstat (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, 0); |
43 | return r ?: stat_overflow (buf); |
44 | # else |
45 | /* Old kABIs with old non-LFS support, e.g. arm, i386, hppa, m68k, |
46 | microblaze, s390, sh, powerpc, and sparc32. */ |
47 | return INLINE_SYSCALL_CALL (stat, name, buf); |
48 | # endif |
49 | } |
50 | |
51 | default: |
52 | { |
53 | # if STAT_IS_KERNEL_STAT |
54 | return INLINE_SYSCALL_ERROR_RETURN_VALUE (EINVAL); |
55 | # else |
56 | struct stat64 buf64; |
57 | int r = INLINE_SYSCALL_CALL (stat64, name, &buf64); |
58 | return r ?: __xstat32_conv (vers, &buf64, buf); |
59 | #endif |
60 | } |
61 | } |
62 | } |
63 | |
64 | # endif /* LIB_COMPAT */ |
65 | |
66 | #endif /* XSTAT_IS_XSTAT64 */ |
67 | |