test-integers.c

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#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;
}

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