ack/lang/cem/libcc.ansi/headers/stdint.h
2007-04-27 22:42:02 +00:00

81 lines
1.9 KiB
C

/*
* stdint.h - standard types
*/
/* $Id$ */
#ifndef _STDINT_H
#define _STDINT_H
/* int8_t is always a char, on all ACK platforms. */
typedef signed char int8_t;
typedef unsigned char uint8_t;
#define INT8_MAX 127
#define INT8_MIN (-128)
#define UINT8_MAX 255
/* int16_t is always a short, on all ACK platforms. */
typedef signed short int16_t;
typedef unsigned short uint16_t;
#define INT16_MAX 32767
#define INT16_MIN (-32768)
#define UINT16_MAX 65535
/* int32_t is either a int or a long. */
#if _EM_WSIZE == 4
typedef signed int int32_t;
typedef unsigned short uint32_t;
#else
typedef signed long int32_t;
typedef unsigned long uint32_t;
#endif
#define INT32_MAX 2147483647
#define INT32_MIN (-2147483648)
#define UINT32_MAX 4294967295
/* We only get int64_t if longs are 8 bytes. */
#if _EM_LSIZE == 8
typedef signed long int64_t;
typedef unsigned long uint64_t;
#define INT64_MAX 2147483647LL
#define INT64_MIN (-2147483648LL)
#define UINT64_MAX 4294967295ULL
typedef int64_t intmax_t;
typedef uint64_t uintmax_t;
#else
typedef int32_t intmax_t;
typedef uint32_t uintmax_t;
#endif
/* Pointers can be either 16 or 32 bits. */
#if _EM_PSIZE == 2
typedef int16_t intptr_t;
typedef uint16_t uintptr_t;
typedef int16_t ptrdiff_t;
typedef uint16_t size_t;
#define INTPTR_MAX 32767
#define INTPTR_MIN (-32768)
#define UINTPTR_MAX 65535
#else
typedef int32_t intptr_t;
typedef uint32_t uintptr_t;
typedef int32_t ptrdiff_t;
typedef uint32_t size_t;
#define INTPTR_MAX 2147483647
#define INTPTR_MIN (-2147483647)
#define UINTPTR_MAX 4294967295
#endif
/* Now those have been defined, these are always the same. */
#define PTRDIFF_MAX INTPTR_MAX
#define PTRDIFF_MIN INTPTR_MIN
#define SIZE_MAX UINTPTR_MAX
#endif