mlibc/include/stdint.h

/*
 * Copyright (c) mlibc & plct lab
 *
 * SPDX-License-Identifier: MIT
 *
 * Change Logs:
 * Date           Author       Notes
 * 2023/06/16     bernard      the first verison
 */

#ifndef MLIBC_STDINT_H__
#define MLIBC_STDINT_H__

typedef signed char             int8_t;
typedef signed short            int16_t;
typedef signed int              int32_t;
typedef signed long long        int64_t;

typedef unsigned char           uint8_t;
typedef unsigned short          uint16_t;
typedef unsigned int            uint32_t;
typedef unsigned long long      uint64_t;

typedef unsigned long           uintptr_t;
typedef signed long             intptr_t;

#define INT8_MIN   (-1-0x7f)
#define INT16_MIN  (-1-0x7fff)
#define INT32_MIN  (-1-0x7fffffff)
#define INT64_MIN  (-1-0x7fffffffffffffff)

#define INT8_MAX   (0x7f)
#define INT16_MAX  (0x7fff)
#define INT32_MAX  (0x7fffffff)
#define INT64_MAX  (0x7fffffffffffffff)

#define UINT8_MAX  (0xff)
#define UINT16_MAX (0xffff)
#define UINT32_MAX (0xffffffffu)
#define UINT64_MAX (0xffffffffffffffffu)

#if (defined(__GNUC__) && (__SIZEOF_POINTER__ == 8))
/* for 64bit */
#define INTPTR_MIN      INT64_MIN
#define INTPTR_MAX      INT64_MAX
#define UINTPTR_MAX     UINT64_MAX
#define PTRDIFF_MIN     INT64_MIN
#define PTRDIFF_MAX     INT64_MAX
#define SIZE_MAX        UINT64_MAX
#else 
/* for 32bit (default) */
#define INTPTR_MIN      INT32_MIN
#define INTPTR_MAX      INT32_MAX
#define UINTPTR_MAX     UINT32_MAX
#define PTRDIFF_MIN     INT32_MIN
#define PTRDIFF_MAX     INT32_MAX
#define SIZE_MAX        UINT32_MAX
#endif /* __GNUC__ */


#endif /*MLIBC_STDINT_H__*/