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Diffstat (limited to 'sys/sys/stdint.h')
| -rw-r--r-- | sys/sys/stdint.h | 231 |
1 files changed, 231 insertions, 0 deletions
diff --git a/sys/sys/stdint.h b/sys/sys/stdint.h new file mode 100644 index 0000000..5d3fd94 --- /dev/null +++ b/sys/sys/stdint.h @@ -0,0 +1,231 @@ +/* $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_ */ |