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65 lines
1.7 KiB
65 lines
1.7 KiB
/** \file test-integers.c
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* \brief Check assumptions about integer types (sizes, ranges).
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*
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* Copyright (C) 2007 Hans Ulrich Niedermann <gp@n-dimensional.de>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301 USA.
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*/
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#include "libexif/_stdint.h"
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#include <stdlib.h>
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#include <stdio.h>
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typedef enum {
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EN_A,
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EN_B,
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EN_C,
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EN_D,
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EN_E,
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EN_F
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} enum_t;
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#if defined(__GNUC__) && (__GNUC__ >= 4)
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# define CHECK(condition) \
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if (!(condition)) { \
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fprintf(stderr, "%s:%d: check failed: %s\n", \
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__FILE__, __LINE__, #condition); \
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errors++; \
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}
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#else
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# define CHECK(condition) \
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if (!(condition)) { \
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abort(); \
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}
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#endif
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int main()
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{
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unsigned int errors = 0;
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/* libexif assumes unsigned ints are not smaller than 32bit in many places */
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CHECK(sizeof(unsigned int) >= sizeof(uint32_t));
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/* libexif assumes that enums fit into ints */
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CHECK(sizeof(enum_t) <= sizeof(int));
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return (errors>0)?1:0;
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}
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