1  /* Verify that pairs of types in <stdint.h> are corresponding types
       2     (requires no pointer sign warnings, so separate from
       3     c99-stdint-1.c).  */
       4  /* { dg-do compile } */
       5  /* { dg-options "-std=iso9899:1999 -fhosted" } */
       6  
       7  #include <stdint.h>
       8  
       9  #define CHECK_CORRESPONDING(TYPE1, TYPE2) \
      10    do { TYPE1 a; TYPE2 *b = &a; TYPE2 c; TYPE1 *d = &c; } while (0)
      11  
      12  void
      13  check_corresponding (void)
      14  {
      15  #if defined(INT8_MAX) && defined(UINT8_MAX)
      16    CHECK_CORRESPONDING(int8_t, uint8_t);
      17  #endif
      18  #if defined(INT16_MAX) && defined(UINT16_MAX)
      19    CHECK_CORRESPONDING(int16_t, uint16_t);
      20  #endif
      21  #if defined(INT32_MAX) && defined(UINT32_MAX)
      22    CHECK_CORRESPONDING(int32_t, uint32_t);
      23  #endif
      24  #if defined(INT64_MAX) && defined(UINT64_MAX)
      25    CHECK_CORRESPONDING(int64_t, uint64_t);
      26  #endif
      27    CHECK_CORRESPONDING(int_least8_t, uint_least8_t);
      28    CHECK_CORRESPONDING(int_least16_t, uint_least16_t);
      29    CHECK_CORRESPONDING(int_least32_t, uint_least32_t);
      30    CHECK_CORRESPONDING(int_least64_t, uint_least64_t);
      31    CHECK_CORRESPONDING(int_fast8_t, uint_fast8_t);
      32    CHECK_CORRESPONDING(int_fast16_t, uint_fast16_t);
      33    CHECK_CORRESPONDING(int_fast32_t, uint_fast32_t);
      34    CHECK_CORRESPONDING(int_fast64_t, uint_fast64_t);
      35  #if defined(INTPTR_MAX) && defined(UINTPTR_MAX)
      36    CHECK_CORRESPONDING(intptr_t, uintptr_t);
      37  #endif
      38    CHECK_CORRESPONDING(intmax_t, uintmax_t);
      39  }