Absolute File Name: | /home/opencoverage/opencoverage/guest-scripts/coreutils/src/gnulib/lib/acl-errno-valid.c |
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1 | /* Test whether ACLs are well supported on this system. | - |
2 | - | |
3 | Copyright 2013-2018 Free Software Foundation, Inc. | - |
4 | - | |
5 | This program is free software: you can redistribute it and/or modify | - |
6 | it under the terms of the GNU General Public License as published by | - |
7 | the Free Software Foundation; either version 3 of the License, or | - |
8 | (at your option) any later version. | - |
9 | - | |
10 | This program 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 | - |
13 | GNU General Public License for more details. | - |
14 | - | |
15 | You should have received a copy of the GNU General Public License | - |
16 | along with this program. If not, see <https://www.gnu.org/licenses/>. | - |
17 | - | |
18 | Written by Paul Eggert. */ | - |
19 | - | |
20 | #include <config.h> | - |
21 | - | |
22 | #include <acl.h> | - |
23 | - | |
24 | #include <errno.h> | - |
25 | - | |
26 | /* Return true if errno value ERRNUM indicates that ACLs are well | - |
27 | supported on this system. ERRNUM should be an errno value obtained | - |
28 | after an ACL-related system call fails. */ | - |
29 | bool | - |
30 | acl_errno_valid (int errnum) | - |
31 | { | - |
32 | /* Recognize some common errors such as from an NFS mount that does | - |
33 | not support ACLs, even when local drives do. */ | - |
34 | switch (errnum) | - |
35 | { | - |
36 | case EBUSY: return false; never executed: return 0 ; never executed: case 16 : | 0 |
37 | case EINVAL: return false; never executed: return 0 ; never executed: case 22 : | 0 |
38 | #if defined __APPLE__ && defined __MACH__ | - |
39 | case ENOENT: return false; | - |
40 | #endif | - |
41 | case ENOSYS: return false; never executed: return 0 ; never executed: case 38 : | 0 |
42 | - | |
43 | #if defined ENOTSUP && ENOTSUP != EOPNOTSUPP | - |
44 | # if ENOTSUP != ENOSYS /* Needed for the MS-Windows port of GNU Emacs. */ | - |
45 | case ENOTSUP: return false; | - |
46 | # endif | - |
47 | #endif | - |
48 | - | |
49 | case EOPNOTSUPP: return false; never executed: return 0 ; never executed: case 95 : | 0 |
50 | default: return true; never executed: return 1 ; never executed: default: | 0 |
51 | } | - |
52 | } | - |
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