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64 lines
1.7 KiB
64 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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