/** \file test-integers.c * \brief Check assumptions about integer types (sizes, ranges). * * Copyright (C) 2007 Hans Ulrich Niedermann * * This library 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 library 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 library; if not, write to the * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, * Boston, MA 02110-1301 USA. */ #include "libexif/_stdint.h" #include #include typedef enum { EN_A, EN_B, EN_C, EN_D, EN_E, EN_F } enum_t; #if defined(__GNUC__) && (__GNUC__ >= 4) # define CHECK(condition) \ if (!(condition)) { \ fprintf(stderr, "%s:%d: check failed: %s\n", \ __FILE__, __LINE__, #condition); \ errors++; \ } #else # define CHECK(condition) \ if (!(condition)) { \ abort(); \ } #endif int main() { unsigned int errors = 0; /* libexif assumes unsigned ints are not smaller than 32bit in many places */ CHECK(sizeof(unsigned int) >= sizeof(uint32_t)); /* libexif assumes that enums fit into ints */ CHECK(sizeof(enum_t) <= sizeof(int)); return (errors>0)?1:0; }