gcc/testsuite/gcc.dg/c99-stdint-5.c

   1 /* Verify that GCC's internal notions of types in <stdint.h> agree
   2    with any system header (which GCC will use by default for hosted
   3    compilations).  */
   4 /* { dg-do compile } */
   5 /* { dg-options "-std=iso9899:1999 -pedantic-errors" } */
   6
   7 #include <stdint.h>
   8 #ifndef SIGNAL_SUPPRESS
   9 #include <signal.h>
  10 #endif
  11
  12 #define CHECK_TYPES(TYPE1, TYPE2) \
  13   do { TYPE1 a; TYPE2 *b = &a; TYPE2 c; TYPE1 *d = &c; } while (0)
  14
  15 void
  16 check_types (void)
  17 {
  18 #ifdef __INT8_TYPE__
  19   CHECK_TYPES(__INT8_TYPE__, int8_t);
  20 #endif
  21 #ifdef __INT16_TYPE__
  22   CHECK_TYPES(__INT16_TYPE__, int16_t);
  23 #endif
  24 #ifdef __INT32_TYPE__
  25   CHECK_TYPES(__INT32_TYPE__, int32_t);
  26 #endif
  27 #ifdef __INT64_TYPE__
  28   CHECK_TYPES(__INT64_TYPE__, int64_t);
  29 #endif
  30 #ifdef __UINT8_TYPE__
  31   CHECK_TYPES(__UINT8_TYPE__, uint8_t);
  32 #endif
  33 #ifdef __UINT16_TYPE__
  34   CHECK_TYPES(__UINT16_TYPE__, uint16_t);
  35 #endif
  36 #ifdef __UINT32_TYPE__
  37   CHECK_TYPES(__UINT32_TYPE__, uint32_t);
  38 #endif
  39 #ifdef __UINT64_TYPE__
  40   CHECK_TYPES(__UINT64_TYPE__, uint64_t);
  41 #endif
  42   CHECK_TYPES(__INT_LEAST8_TYPE__, int_least8_t);
  43   CHECK_TYPES(__INT_LEAST16_TYPE__, int_least16_t);
  44   CHECK_TYPES(__INT_LEAST32_TYPE__, int_least32_t);
  45   CHECK_TYPES(__INT_LEAST64_TYPE__, int_least64_t);
  46   CHECK_TYPES(__UINT_LEAST8_TYPE__, uint_least8_t);
  47   CHECK_TYPES(__UINT_LEAST16_TYPE__, uint_least16_t);
  48   CHECK_TYPES(__UINT_LEAST32_TYPE__, uint_least32_t);
  49   CHECK_TYPES(__UINT_LEAST64_TYPE__, uint_least64_t);
  50   CHECK_TYPES(__INT_FAST8_TYPE__, int_fast8_t);
  51   CHECK_TYPES(__INT_FAST16_TYPE__, int_fast16_t);
  52   CHECK_TYPES(__INT_FAST32_TYPE__, int_fast32_t);
  53   CHECK_TYPES(__INT_FAST64_TYPE__, int_fast64_t);
  54   CHECK_TYPES(__UINT_FAST8_TYPE__, uint_fast8_t);
  55   CHECK_TYPES(__UINT_FAST16_TYPE__, uint_fast16_t);
  56   CHECK_TYPES(__UINT_FAST32_TYPE__, uint_fast32_t);
  57   CHECK_TYPES(__UINT_FAST64_TYPE__, uint_fast64_t);
  58 #ifdef __INTPTR_TYPE__
  59   CHECK_TYPES(__INTPTR_TYPE__, intptr_t);
  60 #endif
  61 #ifdef __UINTPTR_TYPE__
  62   CHECK_TYPES(__UINTPTR_TYPE__, uintptr_t);
  63 #endif
  64   CHECK_TYPES(__INTMAX_TYPE__, intmax_t);
  65   CHECK_TYPES(__UINTMAX_TYPE__, uintmax_t);
  66 #ifndef SIGNAL_SUPPRESS
  67   CHECK_TYPES(__SIG_ATOMIC_TYPE__, sig_atomic_t);
  68 #endif
  69 }