root/sys/sys/stdint.h
/*      $OpenBSD: stdint.h,v 1.11 2019/01/25 00:19:26 millert Exp $     */

/*
 * Copyright (c) 1997, 2005 Todd C. Miller <millert@openbsd.org>
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

#ifndef _SYS_STDINT_H_
#define _SYS_STDINT_H_

#include <sys/cdefs.h>
#include <machine/_types.h>

#ifndef __BIT_TYPES_DEFINED__
#define __BIT_TYPES_DEFINED__
#endif

/* 7.18.1.1 Exact-width integer types (also in sys/types.h) */
#ifndef _INT8_T_DEFINED_
#define _INT8_T_DEFINED_
typedef __int8_t                int8_t;
#endif

#ifndef _UINT8_T_DEFINED_
#define _UINT8_T_DEFINED_
typedef __uint8_t               uint8_t;
#endif

#ifndef _INT16_T_DEFINED_
#define _INT16_T_DEFINED_
typedef __int16_t               int16_t;
#endif

#ifndef _UINT16_T_DEFINED_
#define _UINT16_T_DEFINED_
typedef __uint16_t              uint16_t;
#endif

#ifndef _INT32_T_DEFINED_
#define _INT32_T_DEFINED_
typedef __int32_t               int32_t;
#endif

#ifndef _UINT32_T_DEFINED_
#define _UINT32_T_DEFINED_
typedef __uint32_t              uint32_t;
#endif

#ifndef _INT64_T_DEFINED_
#define _INT64_T_DEFINED_
typedef __int64_t               int64_t;
#endif

#ifndef _UINT64_T_DEFINED_
#define _UINT64_T_DEFINED_
typedef __uint64_t              uint64_t;
#endif

/* 7.18.1.2 Minimum-width integer types */
typedef __int_least8_t          int_least8_t;
typedef __uint_least8_t         uint_least8_t;
typedef __int_least16_t         int_least16_t;
typedef __uint_least16_t        uint_least16_t;
typedef __int_least32_t         int_least32_t;
typedef __uint_least32_t        uint_least32_t;
typedef __int_least64_t         int_least64_t;
typedef __uint_least64_t        uint_least64_t;

/* 7.18.1.3 Fastest minimum-width integer types */
typedef __int_fast8_t           int_fast8_t;
typedef __uint_fast8_t          uint_fast8_t;
typedef __int_fast16_t          int_fast16_t;
typedef __uint_fast16_t         uint_fast16_t;
typedef __int_fast32_t          int_fast32_t;
typedef __uint_fast32_t         uint_fast32_t;
typedef __int_fast64_t          int_fast64_t;
typedef __uint_fast64_t         uint_fast64_t;

/* 7.18.1.4 Integer types capable of holding object pointers */
#ifndef _INTPTR_T_DEFINED_
#define _INTPTR_T_DEFINED_
typedef __intptr_t              intptr_t;
#endif

typedef __uintptr_t             uintptr_t;

/* 7.18.1.5 Greatest-width integer types */
typedef __intmax_t              intmax_t;
typedef __uintmax_t             uintmax_t;

/*
 * 7.18.2 Limits of specified-width integer types.
 *
 * The following object-like macros specify the minimum and maximum limits
 * of integer types corresponding to the typedef names defined above.
 */

/* 7.18.2.1 Limits of exact-width integer types */
#define INT8_MIN                (-0x7f - 1)
#define INT16_MIN               (-0x7fff - 1)
#define INT32_MIN               (-0x7fffffff - 1)
#define INT64_MIN               (-0x7fffffffffffffffLL - 1)

#define INT8_MAX                0x7f
#define INT16_MAX               0x7fff
#define INT32_MAX               0x7fffffff
#define INT64_MAX               0x7fffffffffffffffLL

#define UINT8_MAX               0xff
#define UINT16_MAX              0xffff
#define UINT32_MAX              0xffffffffU
#define UINT64_MAX              0xffffffffffffffffULL

/* 7.18.2.2 Limits of minimum-width integer types */
#define INT_LEAST8_MIN          INT8_MIN
#define INT_LEAST16_MIN         INT16_MIN
#define INT_LEAST32_MIN         INT32_MIN
#define INT_LEAST64_MIN         INT64_MIN

#define INT_LEAST8_MAX          INT8_MAX
#define INT_LEAST16_MAX         INT16_MAX
#define INT_LEAST32_MAX         INT32_MAX
#define INT_LEAST64_MAX         INT64_MAX

#define UINT_LEAST8_MAX         UINT8_MAX
#define UINT_LEAST16_MAX        UINT16_MAX
#define UINT_LEAST32_MAX        UINT32_MAX
#define UINT_LEAST64_MAX        UINT64_MAX

/* 7.18.2.3 Limits of fastest minimum-width integer types */
#define INT_FAST8_MIN           __INT_FAST8_MIN
#define INT_FAST16_MIN          __INT_FAST16_MIN
#define INT_FAST32_MIN          __INT_FAST32_MIN
#define INT_FAST64_MIN          __INT_FAST64_MIN

#define INT_FAST8_MAX           __INT_FAST8_MAX
#define INT_FAST16_MAX          __INT_FAST16_MAX
#define INT_FAST32_MAX          __INT_FAST32_MAX
#define INT_FAST64_MAX          __INT_FAST64_MAX

#define UINT_FAST8_MAX          __UINT_FAST8_MAX
#define UINT_FAST16_MAX         __UINT_FAST16_MAX
#define UINT_FAST32_MAX         __UINT_FAST32_MAX
#define UINT_FAST64_MAX         __UINT_FAST64_MAX

/* 7.18.2.4 Limits of integer types capable of holding object pointers */
#ifdef __LP64__
#define INTPTR_MIN              (-0x7fffffffffffffffL - 1)
#define INTPTR_MAX              0x7fffffffffffffffL
#define UINTPTR_MAX             0xffffffffffffffffUL
#else
#define INTPTR_MIN              (-0x7fffffffL - 1)
#define INTPTR_MAX              0x7fffffffL
#define UINTPTR_MAX             0xffffffffUL
#endif

/* 7.18.2.5 Limits of greatest-width integer types */
#define INTMAX_MIN              INT64_MIN
#define INTMAX_MAX              INT64_MAX
#define UINTMAX_MAX             UINT64_MAX

/*
 * 7.18.3 Limits of other integer types.
 *
 * The following object-like macros specify the minimum and maximum limits
 * of integer types corresponding to types specified in other standard
 * header files.
 */

/* Limits of ptrdiff_t */
#define PTRDIFF_MIN             INTPTR_MIN
#define PTRDIFF_MAX             INTPTR_MAX

/* Limits of sig_atomic_t */
#define SIG_ATOMIC_MIN          INT32_MIN
#define SIG_ATOMIC_MAX          INT32_MAX

/* Limit of size_t */
#ifndef SIZE_MAX
#define SIZE_MAX                UINTPTR_MAX
#endif

/* Limits of wchar_t */
#ifndef WCHAR_MIN
#define WCHAR_MIN               INT32_MIN
#endif
#ifndef WCHAR_MAX
#define WCHAR_MAX               INT32_MAX
#endif

/* Limits of wint_t */
#define WINT_MIN                INT32_MIN
#define WINT_MAX                INT32_MAX

/*
 * 7.18.4 Macros for integer constants.
 *
 * The following function-like macros expand to integer constants
 * suitable for initializing objects that have integer types corresponding
 * to types defined in <stdint.h>.  The argument in any instance of
 * these macros shall be a decimal, octal, or hexadecimal constant with
 * a value that does not exceed the limits for the corresponding type.
 */

/* 7.18.4.1 Macros for minimum-width integer constants. */
#define INT8_C(_c)              (_c)
#define INT16_C(_c)             (_c)
#define INT32_C(_c)             (_c)
#define INT64_C(_c)             __CONCAT(_c, LL)

#define UINT8_C(_c)             (_c)
#define UINT16_C(_c)            (_c)
#define UINT32_C(_c)            __CONCAT(_c, U)
#define UINT64_C(_c)            __CONCAT(_c, ULL)

/* 7.18.4.2 Macros for greatest-width integer constants. */
#define INTMAX_C(_c)            __CONCAT(_c, LL)
#define UINTMAX_C(_c)           __CONCAT(_c, ULL)

#endif /* _SYS_STDINT_H_ */