1 | /* A C macro for declaring that specific arguments must not be NULL. |
2 | Copyright (C) 2009-2019 Free Software Foundation, Inc. |
3 | |
4 | This program is free software: you can redistribute it and/or modify it |
5 | under the terms of the GNU General Public License as published |
6 | by the Free Software Foundation; either version 3 of the License, or |
7 | (at your option) any later version. |
8 | |
9 | This program 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 | General Public License for more details. |
13 | |
14 | You should have received a copy of the GNU General Public License |
15 | along with this program. If not, see <https://www.gnu.org/licenses/>. */ |
16 | |
17 | /* _GL_ARG_NONNULL((n,...,m)) tells the compiler and static analyzer tools |
18 | that the values passed as arguments n, ..., m must be non-NULL pointers. |
19 | n = 1 stands for the first argument, n = 2 for the second argument etc. */ |
20 | #ifndef _GL_ARG_NONNULL |
21 | # if (__GNUC__ == 3 && __GNUC_MINOR__ >= 3) || __GNUC__ > 3 |
22 | # define _GL_ARG_NONNULL(params) __attribute__ ((__nonnull__ params)) |
23 | # else |
24 | # define _GL_ARG_NONNULL(params) |
25 | # endif |
26 | #endif |
27 | |