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04277e02 | 1 | /* Copyright (C) 2015-2019 Free Software Foundation, Inc. |
676599b3 FW |
2 | This file is part of the GNU C Library. |
3 | ||
4 | The GNU C Library is free software; you can redistribute it and/or | |
5 | modify it under the terms of the GNU Lesser General Public | |
6 | License as published by the Free Software Foundation; either | |
7 | version 2.1 of the License, or (at your option) any later version. | |
8 | ||
9 | The GNU C Library is distributed in the hope that it will be useful, | |
10 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
12 | Lesser General Public License for more details. | |
13 | ||
14 | You should have received a copy of the GNU Lesser General Public | |
15 | License along with the GNU C Library; if not, see | |
16 | <http://www.gnu.org/licenses/>. */ | |
17 | ||
18 | #include <nss.h> | |
19 | #include <stdbool.h> | |
20 | #include <string.h> | |
21 | ||
22 | static const char invalid_characters[] = NSS_INVALID_FIELD_CHARACTERS ","; | |
23 | ||
24 | /* Check that all list members match the field syntax requirements and | |
25 | do not contain the character ','. */ | |
26 | _Bool | |
27 | __nss_valid_list_field (char **list) | |
28 | { | |
29 | if (list == NULL) | |
30 | return true; | |
31 | for (; *list != NULL; ++list) | |
32 | if (strpbrk (*list, invalid_characters) != NULL) | |
33 | return false; | |
34 | return true; | |
35 | } |