Merge pull request #2513 from kugelfuhr/kugelfuhr/fix-2505

Remove casts from stdint.h
This commit is contained in:
Bob Andrews 2024-09-14 01:38:46 +02:00 committed by GitHub
commit e7c735ed8c
No known key found for this signature in database
GPG Key ID: B5690EEEBB952194
2 changed files with 205 additions and 38 deletions

View File

@ -52,15 +52,15 @@ typedef unsigned char uint8_t;
typedef unsigned uint16_t; typedef unsigned uint16_t;
typedef unsigned long uint32_t; typedef unsigned long uint32_t;
#define INT8_MIN ((int8_t) 0x80) #define INT8_MIN -128
#define INT8_MAX ((int8_t) 0x7F) #define INT8_MAX 127
#define INT16_MIN ((int16_t) 0x8000) #define INT16_MIN (-32767 - 1)
#define INT16_MAX ((int16_t) 0x7FFF) #define INT16_MAX 32767
#define INT32_MIN ((int32_t) 0x80000000) #define INT32_MIN (-2147483647L - 1L)
#define INT32_MAX ((int32_t) 0x7FFFFFFF) #define INT32_MAX 2147483647L
#define UINT8_MAX ((uint8_t) 0xFF) #define UINT8_MAX 255
#define UINT16_MAX ((uint16_t) 0xFFFF) #define UINT16_MAX 65535U
#define UINT32_MAX ((uint32_t) 0xFFFFFFFF) #define UINT32_MAX 4294967295UL
/* Minimum-width integer types */ /* Minimum-width integer types */
typedef signed char int_least8_t; typedef signed char int_least8_t;
@ -70,15 +70,15 @@ typedef unsigned char uint_least8_t;
typedef unsigned uint_least16_t; typedef unsigned uint_least16_t;
typedef unsigned long uint_least32_t; typedef unsigned long uint_least32_t;
#define INT_LEAST8_MIN ((int_least8_t) 0x80) #define INT_LEAST8_MIN INT8_MIN
#define INT_LEAST8_MAX ((int_least8_t) 0x7F) #define INT_LEAST8_MAX INT8_MAX
#define INT_LEAST16_MIN ((int_least16_t) 0x8000) #define INT_LEAST16_MIN INT16_MIN
#define INT_LEAST16_MAX ((int_least16_t) 0x7FFF) #define INT_LEAST16_MAX INT16_MAX
#define INT_LEAST32_MIN ((int_least32_t) 0x80000000) #define INT_LEAST32_MIN INT32_MIN
#define INT_LEAST32_MAX ((int_least32_t) 0x7FFFFFFF) #define INT_LEAST32_MAX INT32_MAX
#define UINT_LEAST8_MAX ((uint_least8_t) 0xFF) #define UINT_LEAST8_MAX UINT8_MAX
#define UINT_LEAST16_MAX ((uint_least16_t) 0xFFFF) #define UINT_LEAST16_MAX UINT16_MAX
#define UINT_LEAST32_MAX ((uint_least32_t) 0xFFFFFFFF) #define UINT_LEAST32_MAX UINT32_MAX
/* Fastest minimum-width integer types */ /* Fastest minimum-width integer types */
typedef signed char int_fast8_t; typedef signed char int_fast8_t;
@ -88,40 +88,40 @@ typedef unsigned char uint_fast8_t;
typedef unsigned uint_fast16_t; typedef unsigned uint_fast16_t;
typedef unsigned long uint_fast32_t; typedef unsigned long uint_fast32_t;
#define INT_FAST8_MIN ((int_fast8_t) 0x80) #define INT_FAST8_MIN INT8_MIN
#define INT_FAST8_MAX ((int_fast8_t) 0x7F) #define INT_FAST8_MAX INT8_MAX
#define INT_FAST16_MIN ((int_fast16_t) 0x8000) #define INT_FAST16_MIN INT16_MIN
#define INT_FAST16_MAX ((int_fast16_t) 0x7FFF) #define INT_FAST16_MAX INT16_MAX
#define INT_FAST32_MIN ((int_fast32_t) 0x80000000) #define INT_FAST32_MIN INT32_MIN
#define INT_FAST32_MAX ((int_fast32_t) 0x7FFFFFFF) #define INT_FAST32_MAX INT32_MAX
#define UINT_FAST8_MAX ((uint_fast8_t) 0xFF) #define UINT_FAST8_MAX UINT8_MAX
#define UINT_FAST16_MAX ((uint_fast16_t) 0xFFFF) #define UINT_FAST16_MAX UINT16_MAX
#define UINT_FAST32_MAX ((uint_fast32_t) 0xFFFFFFFF) #define UINT_FAST32_MAX UINT32_MAX
/* Integer types capable of holding object pointers */ /* Integer types capable of holding object pointers */
typedef int intptr_t; typedef int intptr_t;
typedef unsigned uintptr_t; typedef unsigned uintptr_t;
#define INTPTR_MIN ((intptr_t)0x8000) #define INTPTR_MIN INT16_MIN
#define INTPTR_MAX ((intptr_t)0x7FFF) #define INTPTR_MAX INT16_MAX
#define UINTPTR_MAX ((uintptr_t) 0xFFFF) #define UINTPTR_MAX UINT16_MAX
/* Greatest width integer types */ /* Greatest width integer types */
typedef long intmax_t; typedef long intmax_t;
typedef unsigned long uintmax_t; typedef unsigned long uintmax_t;
#define INTMAX_MIN ((intmax_t) 0x80000000) #define INTMAX_MIN INT32_MIN
#define INTMAX_MAX ((intmax_t) 0x7FFFFFFF) #define INTMAX_MAX INT32_MAX
#define UINTMAX_MAX ((uintmax_t) 0xFFFFFFFF) #define UINTMAX_MAX UINT32_MAX
/* Limits of other integer types */ /* Limits of other integer types */
#define PTRDIFF_MIN ((int) 0x8000) #define PTRDIFF_MIN INT16_MIN
#define PTRDIFF_MAX ((int) 0x7FFF) #define PTRDIFF_MAX INT16_MAX
#define SIG_ATOMIC_MIN ((unsigned char) 0x00) #define SIG_ATOMIC_MIN 0
#define SIG_ATOMIC_MAX ((unsigned char) 0xFF) #define SIG_ATOMIC_MAX UINT8_MAX
#define SIZE_MAX 0xFFFF #define SIZE_MAX UINT16_MAX
/* Macros for minimum width integer constants */ /* Macros for minimum width integer constants */
#define INT8_C(c) c #define INT8_C(c) c

167
test/standard/stdint.c Normal file
View File

@ -0,0 +1,167 @@
/* Test definitions from stdint.h */
#include <stdio.h>
#include <stdint.h>
#include <stddef.h>
#include <stdlib.h>
#include <limits.h>
#include <signal.h>
/* All macros from stdint.h must be evaluatable by the preprocessor */
#if INT8_MIN
#endif
#if INT8_MAX
#endif
#if INT16_MIN
#endif
#if INT16_MAX
#endif
#if INT32_MIN
#endif
#if INT32_MAX
#endif
#if UINT8_MAX
#endif
#if UINT16_MAX
#endif
#if UINT32_MAX
#endif
#if INT_LEAST8_MIN
#endif
#if INT_LEAST8_MAX
#endif
#if INT_LEAST16_MIN
#endif
#if INT_LEAST16_MAX
#endif
#if INT_LEAST32_MIN
#endif
#if INT_LEAST32_MAX
#endif
#if UINT_LEAST8_MAX
#endif
#if UINT_LEAST16_MAX
#endif
#if UINT_LEAST32_MAX
#endif
#if INT_FAST8_MIN
#endif
#if INT_FAST8_MAX
#endif
#if INT_FAST16_MIN
#endif
#if INT_FAST16_MAX
#endif
#if INT_FAST32_MIN
#endif
#if INT_FAST32_MAX
#endif
#if UINT_FAST8_MAX
#endif
#if UINT_FAST16_MAX
#endif
#if UINT_FAST32_MAX
#endif
#if INTPTR_MIN
#endif
#if INTPTR_MAX
#endif
#if UINTPTR_MAX
#endif
#if INTMAX_MIN
#endif
#if INTMAX_MAX
#endif
#if UINTMAX_MAX
#endif
#if PTRDIFF_MIN
#endif
#if PTRDIFF_MAX
#endif
#if SIG_ATOMIC_MIN
#endif
#if SIG_ATOMIC_MAX
#endif
#if SIZE_MAX
#endif
#define SMIN(type) ((type)(1L << (sizeof(type) * CHAR_BIT - 1)))
#define SMAX(type) ((type)(~SMIN(type)))
#define UMAX(type) ((type)(~(type)0))
#define SMIN_CHECK(type, val) \
if (SMIN(type) != val) { \
++failures; \
printf("Mismatch for %s, minimum (%ld) is not %s (%ld)\n", \
#type, (long)SMIN(type), #val, (long)val); \
}
#define SMAX_CHECK(type, val) \
if (SMAX(type) != val) { \
++failures; \
printf("Mismatch for %s, maximum (%ld) is not %s (%ld)\n", \
#type, (long)SMAX(type), #val, (long)val); \
}
#define UMAX_CHECK(type, val) \
if (UMAX(type) != val) { \
++failures; \
printf("Mismatch for %s, maximum (%lu) is not %s (%lu)\n", \
#type, (unsigned long)UMAX(type), #val, \
(unsigned long)val); \
}
static unsigned failures = 0;
int main()
{
SMIN_CHECK(int8_t, INT8_MIN);
SMAX_CHECK(int8_t, INT8_MAX);
SMIN_CHECK(int16_t, INT16_MIN);
SMAX_CHECK(int16_t, INT16_MAX);
SMIN_CHECK(int32_t, INT32_MIN);
SMAX_CHECK(int32_t, INT32_MAX);
UMAX_CHECK(uint8_t, UINT8_MAX);
UMAX_CHECK(uint16_t, UINT16_MAX);
UMAX_CHECK(uint32_t, UINT32_MAX);
SMIN_CHECK(int_least8_t, INT_LEAST8_MIN);
SMAX_CHECK(int_least8_t, INT_LEAST8_MAX);
SMIN_CHECK(int_least16_t, INT_LEAST16_MIN);
SMAX_CHECK(int_least16_t, INT_LEAST16_MAX);
SMIN_CHECK(int_least32_t, INT_LEAST32_MIN);
SMAX_CHECK(int_least32_t, INT_LEAST32_MAX);
UMAX_CHECK(uint_least8_t, UINT_LEAST8_MAX);
UMAX_CHECK(uint_least16_t, UINT_LEAST16_MAX);
UMAX_CHECK(uint_least32_t, UINT_LEAST32_MAX);
SMIN_CHECK(int_fast8_t, INT_FAST8_MIN);
SMAX_CHECK(int_fast8_t, INT_FAST8_MAX);
SMIN_CHECK(int_fast16_t, INT_FAST16_MIN);
SMAX_CHECK(int_fast16_t, INT_FAST16_MAX);
SMIN_CHECK(int_fast32_t, INT_FAST32_MIN);
SMAX_CHECK(int_fast32_t, INT_FAST32_MAX);
UMAX_CHECK(uint_fast8_t, UINT_FAST8_MAX);
UMAX_CHECK(uint_fast16_t, UINT_FAST16_MAX);
UMAX_CHECK(uint_fast32_t, UINT_FAST32_MAX);
SMIN_CHECK(intptr_t, INTPTR_MIN);
SMAX_CHECK(intptr_t, INTPTR_MAX);
UMAX_CHECK(uintptr_t, UINTPTR_MAX);
SMIN_CHECK(intmax_t, INTMAX_MIN);
SMAX_CHECK(intmax_t, INTMAX_MAX);
UMAX_CHECK(uintmax_t, UINTMAX_MAX);
SMIN_CHECK(ptrdiff_t, PTRDIFF_MIN);
SMAX_CHECK(ptrdiff_t, PTRDIFF_MAX);
#if SIG_ATOMIC_MIN < 0
SMIN_CHECK(sig_atomic_t, SIG_ATOMIC_MIN);
SMAX_CHECK(sig_atomic_t, SIG_ATOMIC_MAX);
#else
UMAX_CHECK(sig_atomic_t, SIG_ATOMIC_MAX);
#endif
UMAX_CHECK(size_t, SIZE_MAX);
return failures;
}