gcc/testsuite/gcc.dg/stdint-width-2.c

   1 /* Test C2X width macros in <stdint.h>.  */
   2 /* { dg-do compile } */
   3 /* { dg-options "-std=c2x -ffreestanding" } */
   4 /* { dg-additional-options "-DSIGNAL_SUPPRESS" { target { ! signal } } } */
   5
   6 #include <stddef.h>
   7 #include <stdint.h>
   8 #ifndef SIGNAL_SUPPRESS
   9 #include <signal.h>
  10 #endif
  11 typedef __WINT_TYPE__ wint_t;
  12
  13 #define CHECK_WIDTH(TYPE, MAX, WIDTH)                                   \
  14   _Static_assert ((MAX >> ((TYPE) -1 < 0 ? (WIDTH - 2) : (WIDTH - 1))) == 1, \
  15                   "width must match type")
  16
  17 #ifdef INT8_MAX
  18 # ifndef INT8_WIDTH
  19 #  error "missing INT8_WIDTH"
  20 # endif
  21 CHECK_WIDTH (int8_t, INT8_MAX, INT8_WIDTH);
  22 #endif
  23 #ifdef INT16_MAX
  24 # ifndef INT16_WIDTH
  25 #  error "missing INT16_WIDTH"
  26 # endif
  27 CHECK_WIDTH (int16_t, INT16_MAX, INT16_WIDTH);
  28 #endif
  29 #ifdef INT32_MAX
  30 # ifndef INT32_WIDTH
  31 #  error "missing INT32_WIDTH"
  32 # endif
  33 CHECK_WIDTH (int32_t, INT32_MAX, INT32_WIDTH);
  34 #endif
  35 #ifdef INT64_MAX
  36 # ifndef INT64_WIDTH
  37 #  error "missing INT64_WIDTH"
  38 # endif
  39 CHECK_WIDTH (int64_t, INT64_MAX, INT64_WIDTH);
  40 #endif
  41 #ifdef UINT8_MAX
  42 # ifndef UINT8_WIDTH
  43 #  error "missing UINT8_WIDTH"
  44 # endif
  45 CHECK_WIDTH (uint8_t, UINT8_MAX, UINT8_WIDTH);
  46 #endif
  47 #ifdef UINT16_MAX
  48 # ifndef UINT16_WIDTH
  49 #  error "missing UINT16_WIDTH"
  50 # endif
  51 CHECK_WIDTH (uint16_t, UINT16_MAX, UINT16_WIDTH);
  52 #endif
  53 #ifdef UINT32_MAX
  54 # ifndef UINT32_WIDTH
  55 #  error "missing UINT32_WIDTH"
  56 # endif
  57 CHECK_WIDTH (uint32_t, UINT32_MAX, UINT32_WIDTH);
  58 #endif
  59 #ifdef UINT64_MAX
  60 # ifndef UINT64_WIDTH
  61 #  error "missing UINT64_WIDTH"
  62 # endif
  63 CHECK_WIDTH (uint64_t, UINT64_MAX, UINT64_WIDTH);
  64 #endif
  65
  66 #ifndef INT_LEAST8_WIDTH
  67 # error "missing INT_LEAST8_WIDTH"
  68 #endif
  69 CHECK_WIDTH (int_least8_t, INT_LEAST8_MAX, INT_LEAST8_WIDTH);
  70 #ifndef INT_LEAST16_WIDTH
  71 # error "missing INT_LEAST16_WIDTH"
  72 #endif
  73 CHECK_WIDTH (int_least16_t, INT_LEAST16_MAX, INT_LEAST16_WIDTH);
  74 #ifndef INT_LEAST32_WIDTH
  75 # error "missing INT_LEAST32_WIDTH"
  76 #endif
  77 CHECK_WIDTH (int_least32_t, INT_LEAST32_MAX, INT_LEAST32_WIDTH);
  78 #ifndef INT_LEAST64_WIDTH
  79 # error "missing INT_LEAST64_WIDTH"
  80 #endif
  81 CHECK_WIDTH (int_least64_t, INT_LEAST64_MAX, INT_LEAST64_WIDTH);
  82 #ifndef INT_LEAST8_WIDTH
  83 # error "missing INT_LEAST8_WIDTH"
  84 #endif
  85 CHECK_WIDTH (uint_least8_t, UINT_LEAST8_MAX, UINT_LEAST8_WIDTH);
  86 #ifndef UINT_LEAST16_WIDTH
  87 # error "missing UINT_LEAST16_WIDTH"
  88 #endif
  89 CHECK_WIDTH (uint_least16_t, UINT_LEAST16_MAX, UINT_LEAST16_WIDTH);
  90 #ifndef UINT_LEAST32_WIDTH
  91 # error "missing UINT_LEAST32_WIDTH"
  92 #endif
  93 CHECK_WIDTH (uint_least32_t, UINT_LEAST32_MAX, UINT_LEAST32_WIDTH);
  94 #ifndef UINT_LEAST64_WIDTH
  95 # error "missing UINT_LEAST64_WIDTH"
  96 #endif
  97 CHECK_WIDTH (uint_least64_t, UINT_LEAST64_MAX, UINT_LEAST64_WIDTH);
  98
  99 #ifndef INT_FAST8_WIDTH
 100 # error "missing INT_FAST8_WIDTH"
 101 #endif
 102 CHECK_WIDTH (int_fast8_t, INT_FAST8_MAX, INT_FAST8_WIDTH);
 103 #ifndef INT_FAST16_WIDTH
 104 # error "missing INT_FAST16_WIDTH"
 105 #endif
 106 CHECK_WIDTH (int_fast16_t, INT_FAST16_MAX, INT_FAST16_WIDTH);
 107 #ifndef INT_FAST32_WIDTH
 108 # error "missing INT_FAST32_WIDTH"
 109 #endif
 110 CHECK_WIDTH (int_fast32_t, INT_FAST32_MAX, INT_FAST32_WIDTH);
 111 #ifndef INT_FAST64_WIDTH
 112 # error "missing INT_FAST64_WIDTH"
 113 #endif
 114 CHECK_WIDTH (int_fast64_t, INT_FAST64_MAX, INT_FAST64_WIDTH);
 115 #ifndef INT_FAST8_WIDTH
 116 # error "missing INT_FAST8_WIDTH"
 117 #endif
 118 CHECK_WIDTH (uint_fast8_t, UINT_FAST8_MAX, UINT_FAST8_WIDTH);
 119 #ifndef UINT_FAST16_WIDTH
 120 # error "missing UINT_FAST16_WIDTH"
 121 #endif
 122 CHECK_WIDTH (uint_fast16_t, UINT_FAST16_MAX, UINT_FAST16_WIDTH);
 123 #ifndef UINT_FAST32_WIDTH
 124 # error "missing UINT_FAST32_WIDTH"
 125 #endif
 126 CHECK_WIDTH (uint_fast32_t, UINT_FAST32_MAX, UINT_FAST32_WIDTH);
 127 #ifndef UINT_FAST64_WIDTH
 128 # error "missing UINT_FAST64_WIDTH"
 129 #endif
 130 CHECK_WIDTH (uint_fast64_t, UINT_FAST64_MAX, UINT_FAST64_WIDTH);
 131
 132 #ifdef INTPTR_MAX
 133 # ifndef INTPTR_WIDTH
 134 #  error "missing INTPTR_WIDTH"
 135 # endif
 136 CHECK_WIDTH (intptr_t, INTPTR_MAX, INTPTR_WIDTH);
 137 #endif
 138 #ifdef UINTPTR_MAX
 139 # ifndef UINTPTR_WIDTH
 140 #  error "missing UINTPTR_WIDTH"
 141 # endif
 142 CHECK_WIDTH (uintptr_t, UINTPTR_MAX, UINTPTR_WIDTH);
 143 #endif
 144
 145 #ifndef INTMAX_WIDTH
 146 # error "missing INTMAX_WIDTH"
 147 #endif
 148 CHECK_WIDTH (intmax_t, INTMAX_MAX, INTMAX_WIDTH);
 149 #ifndef UINTMAX_WIDTH
 150 # error "missing UINTMAX_WIDTH"
 151 #endif
 152 CHECK_WIDTH (uintmax_t, UINTMAX_MAX, UINTMAX_WIDTH);
 153
 154 #ifndef PTRDIFF_WIDTH
 155 # error "missing PTRDIFF_WIDTH"
 156 #endif
 157 CHECK_WIDTH (ptrdiff_t, PTRDIFF_MAX, PTRDIFF_WIDTH);
 158 #ifndef SIGNAL_SUPPRESS
 159 # ifndef SIG_ATOMIC_WIDTH
 160 #  error "missing SIG_ATOMIC_WIDTH"
 161 # endif
 162 CHECK_WIDTH (sig_atomic_t, SIG_ATOMIC_MAX, SIG_ATOMIC_WIDTH);
 163 #endif
 164 #ifndef SIZE_WIDTH
 165 # error "missing SIZE_WIDTH"
 166 #endif
 167 CHECK_WIDTH (size_t, SIZE_MAX, SIZE_WIDTH);
 168 #ifndef WCHAR_WIDTH
 169 # error "missing WCHAR_WIDTH"
 170 #endif
 171 CHECK_WIDTH (wchar_t, WCHAR_MAX, WCHAR_WIDTH);
 172 #ifndef WINT_WIDTH
 173 # error "missing WINT_WIDTH"
 174 #endif
 175 CHECK_WIDTH (wint_t, WINT_MAX, WINT_WIDTH);