1 /* Run-time assert-like macros. 2 3 Copyright (C) 2014-2015 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 <http://www.gnu.org/licenses/>. */ 17 18 /* Written by Paul Eggert. */ 19 20 #ifndef _GL_ASSURE_H 21 #define _GL_ASSURE_H 22 23 #include <assert.h> 24 25 /* Check E's value at runtime, and report an error and abort if not. 26 However, do nothng if NDEBUG is defined. 27 28 Unlike standard 'assert', this macro always compiles E even when NDEBUG 29 is defined, so as to catch typos and avoid some GCC warnings. */ 30 31 #ifdef NDEBUG 32 # define assure(E) ((void) (0 && (E))) 33 #else 34 # define assure(E) assert (E) 35 #endif 36 37 #endif 38