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95a73392 | 1 | /* Syscall wrapper that do not set errno. Linux version. |
688903eb | 2 | Copyright (C) 2017-2018 Free Software Foundation, Inc. |
95a73392 AZ |
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 | <http://www.gnu.org/licenses/>. */ | |
18 | ||
19 | /* This function is used on maybe_enable_malloc_check (elf/dl-tunables.c) | |
20 | and to avoid having to build/use multiple versions if stack protection | |
21 | in enabled it is defined as inline. */ | |
22 | static inline int | |
23 | __access_noerrno (const char *pathname, int mode) | |
24 | { | |
25 | int res; | |
26 | INTERNAL_SYSCALL_DECL (err); | |
27 | #ifdef __NR_access | |
28 | res = INTERNAL_SYSCALL_CALL (access, err, pathname, mode); | |
29 | #else | |
30 | res = INTERNAL_SYSCALL_CALL (faccessat, err, AT_FDCWD, pathname, mode); | |
31 | #endif | |
32 | if (INTERNAL_SYSCALL_ERROR_P (res, err)) | |
33 | return INTERNAL_SYSCALL_ERRNO (res, err); | |
34 | return 0; | |
35 | } |