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168 lines
4.2 KiB
C
168 lines
4.2 KiB
C
/* Test definitions from stdint.h */
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#include <stdio.h>
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#include <stdint.h>
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#include <stddef.h>
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#include <stdlib.h>
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#include <limits.h>
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#include <signal.h>
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/* All macros from stdint.h must be evaluatable by the preprocessor */
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#if INT8_MIN
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#endif
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#if INT8_MAX
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#endif
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#if INT16_MIN
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#endif
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#if INT16_MAX
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#endif
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#if INT32_MIN
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#endif
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#if INT32_MAX
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#endif
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#if UINT8_MAX
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#endif
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#if UINT16_MAX
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#endif
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#if UINT32_MAX
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#endif
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#if INT_LEAST8_MIN
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#endif
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#if INT_LEAST8_MAX
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#endif
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#if INT_LEAST16_MIN
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#endif
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#if INT_LEAST16_MAX
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#endif
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#if INT_LEAST32_MIN
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#endif
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#if INT_LEAST32_MAX
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#endif
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#if UINT_LEAST8_MAX
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#endif
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#if UINT_LEAST16_MAX
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#endif
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#if UINT_LEAST32_MAX
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#endif
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#if INT_FAST8_MIN
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#endif
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#if INT_FAST8_MAX
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#endif
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#if INT_FAST16_MIN
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#endif
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#if INT_FAST16_MAX
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#endif
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#if INT_FAST32_MIN
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#endif
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#if INT_FAST32_MAX
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#endif
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#if UINT_FAST8_MAX
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#endif
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#if UINT_FAST16_MAX
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#endif
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#if UINT_FAST32_MAX
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#endif
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#if INTPTR_MIN
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#endif
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#if INTPTR_MAX
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#endif
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#if UINTPTR_MAX
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#endif
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#if INTMAX_MIN
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#endif
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#if INTMAX_MAX
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#endif
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#if UINTMAX_MAX
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#endif
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#if PTRDIFF_MIN
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#endif
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#if PTRDIFF_MAX
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#endif
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#if SIG_ATOMIC_MIN
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#endif
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#if SIG_ATOMIC_MAX
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#endif
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#if SIZE_MAX
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#endif
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#define SMIN(type) ((type)(1L << (sizeof(type) * CHAR_BIT - 1)))
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#define SMAX(type) ((type)(~SMIN(type)))
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#define UMAX(type) ((type)(~(type)0))
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#define SMIN_CHECK(type, val) \
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if (SMIN(type) != val) { \
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++failures; \
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printf("Mismatch for %s, minimum (%ld) is not %s (%ld)\n", \
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#type, (long)SMIN(type), #val, (long)val); \
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}
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#define SMAX_CHECK(type, val) \
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if (SMAX(type) != val) { \
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++failures; \
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printf("Mismatch for %s, maximum (%ld) is not %s (%ld)\n", \
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#type, (long)SMAX(type), #val, (long)val); \
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}
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#define UMAX_CHECK(type, val) \
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if (UMAX(type) != val) { \
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++failures; \
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printf("Mismatch for %s, maximum (%lu) is not %s (%lu)\n", \
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#type, (unsigned long)UMAX(type), #val, \
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(unsigned long)val); \
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}
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static unsigned failures = 0;
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int main()
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{
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SMIN_CHECK(int8_t, INT8_MIN);
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SMAX_CHECK(int8_t, INT8_MAX);
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SMIN_CHECK(int16_t, INT16_MIN);
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SMAX_CHECK(int16_t, INT16_MAX);
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SMIN_CHECK(int32_t, INT32_MIN);
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SMAX_CHECK(int32_t, INT32_MAX);
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UMAX_CHECK(uint8_t, UINT8_MAX);
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UMAX_CHECK(uint16_t, UINT16_MAX);
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UMAX_CHECK(uint32_t, UINT32_MAX);
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SMIN_CHECK(int_least8_t, INT_LEAST8_MIN);
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SMAX_CHECK(int_least8_t, INT_LEAST8_MAX);
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SMIN_CHECK(int_least16_t, INT_LEAST16_MIN);
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SMAX_CHECK(int_least16_t, INT_LEAST16_MAX);
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SMIN_CHECK(int_least32_t, INT_LEAST32_MIN);
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SMAX_CHECK(int_least32_t, INT_LEAST32_MAX);
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UMAX_CHECK(uint_least8_t, UINT_LEAST8_MAX);
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UMAX_CHECK(uint_least16_t, UINT_LEAST16_MAX);
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UMAX_CHECK(uint_least32_t, UINT_LEAST32_MAX);
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SMIN_CHECK(int_fast8_t, INT_FAST8_MIN);
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SMAX_CHECK(int_fast8_t, INT_FAST8_MAX);
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SMIN_CHECK(int_fast16_t, INT_FAST16_MIN);
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SMAX_CHECK(int_fast16_t, INT_FAST16_MAX);
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SMIN_CHECK(int_fast32_t, INT_FAST32_MIN);
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SMAX_CHECK(int_fast32_t, INT_FAST32_MAX);
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UMAX_CHECK(uint_fast8_t, UINT_FAST8_MAX);
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UMAX_CHECK(uint_fast16_t, UINT_FAST16_MAX);
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UMAX_CHECK(uint_fast32_t, UINT_FAST32_MAX);
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SMIN_CHECK(intptr_t, INTPTR_MIN);
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SMAX_CHECK(intptr_t, INTPTR_MAX);
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UMAX_CHECK(uintptr_t, UINTPTR_MAX);
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SMIN_CHECK(intmax_t, INTMAX_MIN);
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SMAX_CHECK(intmax_t, INTMAX_MAX);
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UMAX_CHECK(uintmax_t, UINTMAX_MAX);
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SMIN_CHECK(ptrdiff_t, PTRDIFF_MIN);
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SMAX_CHECK(ptrdiff_t, PTRDIFF_MAX);
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#if SIG_ATOMIC_MIN < 0
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SMIN_CHECK(sig_atomic_t, SIG_ATOMIC_MIN);
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SMAX_CHECK(sig_atomic_t, SIG_ATOMIC_MAX);
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#else
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UMAX_CHECK(sig_atomic_t, SIG_ATOMIC_MAX);
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#endif
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UMAX_CHECK(size_t, SIZE_MAX);
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return failures;
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}
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