gcc/testsuite/gcc.dg/stdint-width-1.c

   1 /* Test TS 18661-1 width macros in <stdint.h>.  */
   2 /* { dg-do compile } */
   3 /* { dg-options "-std=c11 -ffreestanding" } */
   4 /* { dg-additional-options "-DSIGNAL_SUPPRESS" { target { ! signal } } } */
   5
   6 #include <stddef.h>
   7 #define __STDC_WANT_IEC_60559_BFP_EXT__
   8 #include <stdint.h>
   9 #ifndef SIGNAL_SUPPRESS
  10 #include <signal.h>
  11 #endif
  12 typedef __WINT_TYPE__ wint_t;
  13
  14 #define CHECK_WIDTH(TYPE, MAX, WIDTH)                                   \
  15   _Static_assert ((MAX >> ((TYPE) -1 < 0 ? (WIDTH - 2) : (WIDTH - 1))) == 1, \
  16                   "width must match type")
  17
  18 #ifdef INT8_MAX
  19 # ifndef INT8_WIDTH
  20 #  error "missing INT8_WIDTH"
  21 # endif
  22 CHECK_WIDTH (int8_t, INT8_MAX, INT8_WIDTH);
  23 #endif
  24 #ifdef INT16_MAX
  25 # ifndef INT16_WIDTH
  26 #  error "missing INT16_WIDTH"
  27 # endif
  28 CHECK_WIDTH (int16_t, INT16_MAX, INT16_WIDTH);
  29 #endif
  30 #ifdef INT32_MAX
  31 # ifndef INT32_WIDTH
  32 #  error "missing INT32_WIDTH"
  33 # endif
  34 CHECK_WIDTH (int32_t, INT32_MAX, INT32_WIDTH);
  35 #endif
  36 #ifdef INT64_MAX
  37 # ifndef INT64_WIDTH
  38 #  error "missing INT64_WIDTH"
  39 # endif
  40 CHECK_WIDTH (int64_t, INT64_MAX, INT64_WIDTH);
  41 #endif
  42 #ifdef UINT8_MAX
  43 # ifndef UINT8_WIDTH
  44 #  error "missing UINT8_WIDTH"
  45 # endif
  46 CHECK_WIDTH (uint8_t, UINT8_MAX, UINT8_WIDTH);
  47 #endif
  48 #ifdef UINT16_MAX
  49 # ifndef UINT16_WIDTH
  50 #  error "missing UINT16_WIDTH"
  51 # endif
  52 CHECK_WIDTH (uint16_t, UINT16_MAX, UINT16_WIDTH);
  53 #endif
  54 #ifdef UINT32_MAX
  55 # ifndef UINT32_WIDTH
  56 #  error "missing UINT32_WIDTH"
  57 # endif
  58 CHECK_WIDTH (uint32_t, UINT32_MAX, UINT32_WIDTH);
  59 #endif
  60 #ifdef UINT64_MAX
  61 # ifndef UINT64_WIDTH
  62 #  error "missing UINT64_WIDTH"
  63 # endif
  64 CHECK_WIDTH (uint64_t, UINT64_MAX, UINT64_WIDTH);
  65 #endif
  66
  67 #ifndef INT_LEAST8_WIDTH
  68 # error "missing INT_LEAST8_WIDTH"
  69 #endif
  70 CHECK_WIDTH (int_least8_t, INT_LEAST8_MAX, INT_LEAST8_WIDTH);
  71 #ifndef INT_LEAST16_WIDTH
  72 # error "missing INT_LEAST16_WIDTH"
  73 #endif
  74 CHECK_WIDTH (int_least16_t, INT_LEAST16_MAX, INT_LEAST16_WIDTH);
  75 #ifndef INT_LEAST32_WIDTH
  76 # error "missing INT_LEAST32_WIDTH"
  77 #endif
  78 CHECK_WIDTH (int_least32_t, INT_LEAST32_MAX, INT_LEAST32_WIDTH);
  79 #ifndef INT_LEAST64_WIDTH
  80 # error "missing INT_LEAST64_WIDTH"
  81 #endif
  82 CHECK_WIDTH (int_least64_t, INT_LEAST64_MAX, INT_LEAST64_WIDTH);
  83 #ifndef INT_LEAST8_WIDTH
  84 # error "missing INT_LEAST8_WIDTH"
  85 #endif
  86 CHECK_WIDTH (uint_least8_t, UINT_LEAST8_MAX, UINT_LEAST8_WIDTH);
  87 #ifndef UINT_LEAST16_WIDTH
  88 # error "missing UINT_LEAST16_WIDTH"
  89 #endif
  90 CHECK_WIDTH (uint_least16_t, UINT_LEAST16_MAX, UINT_LEAST16_WIDTH);
  91 #ifndef UINT_LEAST32_WIDTH
  92 # error "missing UINT_LEAST32_WIDTH"
  93 #endif
  94 CHECK_WIDTH (uint_least32_t, UINT_LEAST32_MAX, UINT_LEAST32_WIDTH);
  95 #ifndef UINT_LEAST64_WIDTH
  96 # error "missing UINT_LEAST64_WIDTH"
  97 #endif
  98 CHECK_WIDTH (uint_least64_t, UINT_LEAST64_MAX, UINT_LEAST64_WIDTH);
  99
 100 #ifndef INT_FAST8_WIDTH
 101 # error "missing INT_FAST8_WIDTH"
 102 #endif
 103 CHECK_WIDTH (int_fast8_t, INT_FAST8_MAX, INT_FAST8_WIDTH);
 104 #ifndef INT_FAST16_WIDTH
 105 # error "missing INT_FAST16_WIDTH"
 106 #endif
 107 CHECK_WIDTH (int_fast16_t, INT_FAST16_MAX, INT_FAST16_WIDTH);
 108 #ifndef INT_FAST32_WIDTH
 109 # error "missing INT_FAST32_WIDTH"
 110 #endif
 111 CHECK_WIDTH (int_fast32_t, INT_FAST32_MAX, INT_FAST32_WIDTH);
 112 #ifndef INT_FAST64_WIDTH
 113 # error "missing INT_FAST64_WIDTH"
 114 #endif
 115 CHECK_WIDTH (int_fast64_t, INT_FAST64_MAX, INT_FAST64_WIDTH);
 116 #ifndef INT_FAST8_WIDTH
 117 # error "missing INT_FAST8_WIDTH"
 118 #endif
 119 CHECK_WIDTH (uint_fast8_t, UINT_FAST8_MAX, UINT_FAST8_WIDTH);
 120 #ifndef UINT_FAST16_WIDTH
 121 # error "missing UINT_FAST16_WIDTH"
 122 #endif
 123 CHECK_WIDTH (uint_fast16_t, UINT_FAST16_MAX, UINT_FAST16_WIDTH);
 124 #ifndef UINT_FAST32_WIDTH
 125 # error "missing UINT_FAST32_WIDTH"
 126 #endif
 127 CHECK_WIDTH (uint_fast32_t, UINT_FAST32_MAX, UINT_FAST32_WIDTH);
 128 #ifndef UINT_FAST64_WIDTH
 129 # error "missing UINT_FAST64_WIDTH"
 130 #endif
 131 CHECK_WIDTH (uint_fast64_t, UINT_FAST64_MAX, UINT_FAST64_WIDTH);
 132
 133 #ifdef INTPTR_MAX
 134 # ifndef INTPTR_WIDTH
 135 #  error "missing INTPTR_WIDTH"
 136 # endif
 137 CHECK_WIDTH (intptr_t, INTPTR_MAX, INTPTR_WIDTH);
 138 #endif
 139 #ifdef UINTPTR_MAX
 140 # ifndef UINTPTR_WIDTH
 141 #  error "missing UINTPTR_WIDTH"
 142 # endif
 143 CHECK_WIDTH (uintptr_t, UINTPTR_MAX, UINTPTR_WIDTH);
 144 #endif
 145
 146 #ifndef INTMAX_WIDTH
 147 # error "missing INTMAX_WIDTH"
 148 #endif
 149 CHECK_WIDTH (intmax_t, INTMAX_MAX, INTMAX_WIDTH);
 150 #ifndef UINTMAX_WIDTH
 151 # error "missing UINTMAX_WIDTH"
 152 #endif
 153 CHECK_WIDTH (uintmax_t, UINTMAX_MAX, UINTMAX_WIDTH);
 154
 155 #ifndef PTRDIFF_WIDTH
 156 # error "missing PTRDIFF_WIDTH"
 157 #endif
 158 CHECK_WIDTH (ptrdiff_t, PTRDIFF_MAX, PTRDIFF_WIDTH);
 159 #ifndef SIGNAL_SUPPRESS
 160 # ifndef SIG_ATOMIC_WIDTH
 161 #  error "missing SIG_ATOMIC_WIDTH"
 162 # endif
 163 CHECK_WIDTH (sig_atomic_t, SIG_ATOMIC_MAX, SIG_ATOMIC_WIDTH);
 164 #endif
 165 #ifndef SIZE_WIDTH
 166 # error "missing SIZE_WIDTH"
 167 #endif
 168 CHECK_WIDTH (size_t, SIZE_MAX, SIZE_WIDTH);
 169 #ifndef WCHAR_WIDTH
 170 # error "missing WCHAR_WIDTH"
 171 #endif
 172 CHECK_WIDTH (wchar_t, WCHAR_MAX, WCHAR_WIDTH);
 173 #ifndef WINT_WIDTH
 174 # error "missing WINT_WIDTH"
 175 #endif
 176 CHECK_WIDTH (wint_t, WINT_MAX, WINT_WIDTH);