/* A C macro for declaring that specific arguments must not be NULL. Copyright (C) 2009-2023 Free Software Foundation, Inc. This program is free software: you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this program. If not, see . */ /* _GL_ARG_NONNULL((n,...,m)) tells the compiler and static analyzer tools that the values passed as arguments n, ..., m must be non-NULL pointers. n = 1 stands for the first argument, n = 2 for the second argument etc. */ #ifndef _GL_ARG_NONNULL # if __GNUC__> 3 || (__GNUC__ == 3 && __GNUC_MINOR__>= 3) || defined __clang__ # define _GL_ARG_NONNULL(params) __attribute__ ((__nonnull__ params)) # else # define _GL_ARG_NONNULL(params) # endif #endif