/** \file test-integers.c
* \brief Check assumptions about integer types (sizes, ranges).
*
* Copyright (C) 2007 Hans Ulrich Niedermann <gp@n-dimensional.de>
*
* 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 <stdlib.h>
#include <stdio.h>
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;
}