gcc/testsuite/gcc.dg/c99-stdint-6.c

   1 /* Verify that GCC's internal notions of types in <stdint.h> agree
   2    with any system <inttypes.h> header.  */
   3 /* { dg-do compile { target inttypes_types } } */
   4 /* { dg-options "-std=iso9899:1999 -pedantic-errors" } */
   5
   6 #include <inttypes.h>
   7 #ifndef SIGNAL_SUPPRESS
   8 #include <signal.h>
   9 #endif
  10
  11 #define CHECK_TYPES(TYPE1, TYPE2) \
  12   do { TYPE1 a; TYPE2 *b = &a; TYPE2 c; TYPE1 *d = &c; } while (0)
  13
  14 void
  15 check_types (void)
  16 {
  17 #ifdef __INT8_TYPE__
  18   CHECK_TYPES(__INT8_TYPE__, int8_t);
  19 #endif
  20 #ifdef __INT16_TYPE__
  21   CHECK_TYPES(__INT16_TYPE__, int16_t);
  22 #endif
  23 #ifdef __INT32_TYPE__
  24   CHECK_TYPES(__INT32_TYPE__, int32_t);
  25 #endif
  26 #ifdef __INT64_TYPE__
  27   CHECK_TYPES(__INT64_TYPE__, int64_t);
  28 #endif
  29 #ifdef __UINT8_TYPE__
  30   CHECK_TYPES(__UINT8_TYPE__, uint8_t);
  31 #endif
  32 #ifdef __UINT16_TYPE__
  33   CHECK_TYPES(__UINT16_TYPE__, uint16_t);
  34 #endif
  35 #ifdef __UINT32_TYPE__
  36   CHECK_TYPES(__UINT32_TYPE__, uint32_t);
  37 #endif
  38 #ifdef __UINT64_TYPE__
  39   CHECK_TYPES(__UINT64_TYPE__, uint64_t);
  40 #endif
  41 #ifndef NO_LEAST_TYPES
  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 #endif
  51 #ifndef NO_FAST_TYPES
  52   CHECK_TYPES(__INT_FAST8_TYPE__, int_fast8_t);
  53   CHECK_TYPES(__INT_FAST16_TYPE__, int_fast16_t);
  54   CHECK_TYPES(__INT_FAST32_TYPE__, int_fast32_t);
  55   CHECK_TYPES(__INT_FAST64_TYPE__, int_fast64_t);
  56   CHECK_TYPES(__UINT_FAST8_TYPE__, uint_fast8_t);
  57   CHECK_TYPES(__UINT_FAST16_TYPE__, uint_fast16_t);
  58   CHECK_TYPES(__UINT_FAST32_TYPE__, uint_fast32_t);
  59   CHECK_TYPES(__UINT_FAST64_TYPE__, uint_fast64_t);
  60 #endif
  61 #ifdef __INTPTR_TYPE__
  62   CHECK_TYPES(__INTPTR_TYPE__, intptr_t);
  63 #endif
  64 #ifdef __UINTPTR_TYPE__
  65   CHECK_TYPES(__UINTPTR_TYPE__, uintptr_t);
  66 #endif
  67 #ifndef NO_MAX_TYPES
  68   CHECK_TYPES(__INTMAX_TYPE__, intmax_t);
  69   CHECK_TYPES(__UINTMAX_TYPE__, uintmax_t);
  70 #endif
  71 #ifndef SIGNAL_SUPPRESS
  72   CHECK_TYPES(__SIG_ATOMIC_TYPE__, sig_atomic_t);
  73 #endif
  74 }