1/* A C macro for declaring that specific arguments must not be NULL. 2 Copyright (C) 2009-2011 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 <http://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