diff options
author | Earnie Boyd <earnie@users.sf.net> | 2001-01-26 21:52:31 +0300 |
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committer | Earnie Boyd <earnie@users.sf.net> | 2001-01-26 21:52:31 +0300 |
commit | cd7053e78b5bc0753b76c2514a64973b29b5ee25 (patch) | |
tree | e1a2fc6d3ef9a5d1edf4a4f1684ac809725dd5f2 /winsup/mingw/include | |
parent | bfa15b05e88b27903460ada6ae355afba60fe427 (diff) |
* include/stdint.h: New file.
Diffstat (limited to 'winsup/mingw/include')
-rw-r--r-- | winsup/mingw/include/stdint.h | 184 |
1 files changed, 184 insertions, 0 deletions
diff --git a/winsup/mingw/include/stdint.h b/winsup/mingw/include/stdint.h new file mode 100644 index 000000000..17fe37b23 --- /dev/null +++ b/winsup/mingw/include/stdint.h @@ -0,0 +1,184 @@ +/* ISO C9x 7.18 Integer types <stdint.h> + * Based on ISO/IEC SC22/WG14 9899 Committee draft (SC22 N2794) + * + * THIS SOFTWARE IS NOT COPYRIGHTED + * + * Contributor: Danny Smith <danny_r_smith_2001@yahoo.co.nz> + * + * This source code is offered for use in the public domain. You may + * use, modify or distribute it freely. + * + * This code is distributed in the hope that it will be useful but + * WITHOUT ANY WARRANTY. ALL WARRANTIES, EXPRESS OR IMPLIED ARE HEREBY + * DISCLAMED. This includes but is not limited to warranties of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. + * + * Date: 2000-12-02 + */ + + +#ifndef _STDINT_H +#define _STDINT_H + +/* 7.18.1.1 Exact-width integer types */ +typedef signed char int8_t; +typedef unsigned char uint8_t; +typedef short int16_t; +typedef unsigned short uint16_t; +typedef int int32_t; +typedef unsigned uint32_t; +typedef long long int64_t; +typedef unsigned long long uint64_t; + +/* 7.18.1.2 Minimum-width integer types */ +typedef signed char int_least8_t; +typedef unsigned char uint_least8_t; +typedef short int_least16_t; +typedef unsigned short uint_least16_t; +typedef int int_least32_t; +typedef unsigned uint_least32_t; +typedef long long int_least64_t; +typedef unsigned long long uint_least64_t; + +/* 7.18.1.3 Fastest minimum-width integer types + * Not actually guaranteed to be fastest for all purposes + * Here we use the exact-width types for 8 and 16-bit ints. + */ +typedef char int_fast8_t; +typedef unsigned char uint_fast8_t; +typedef short int_fast16_t; +typedef unsigned short uint_fast16_t; +typedef int int_fast32_t; +typedef unsigned int uint_fast32_t; +typedef long long int_fast64_t; +typedef unsigned long long uint_fast64_t; + +/* 7.18.1.4 Integer types capable of holding object pointers */ +typedef int intptr_t; +typedef unsigned uintptr_t; + +/* 7.18.1.5 Greatest-width integer types */ +typedef long long intmax_t; +typedef unsigned long long uintmax_t; + +/* 7.18.2 Limits of specified-width integer types */ +#if !defined ( __cplusplus) || defined (__STDC_LIMIT_MACROS) + +/* 7.18.2.1 Limits of exact-width integer types */ +#define INT8_MIN (-128) +#define INT16_MIN (-32768) +#define INT32_MIN (-2147483647 - 1) +#define INT64_MIN (-9223372036854775807LL - 1) + +#define INT8_MAX 127 +#define INT16_MAX 32767 +#define INT32_MAX 2147483647 +#define INT64_MAX 9223372036854775807LL + +#define UINT8_MAX 0xff /* 255U */ +#define UINT16_MAX 0xffff /* 65535U */ +#define UINT32_MAX 0xffffffff /* 4294967295U */ +#define UINT64_MAX 0xffffffffffffffffULL /* 18446744073709551615ULL */ + +/* 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 INT8_MIN +#define INT_FAST16_MIN INT16_MIN +#define INT_FAST32_MIN INT32_MIN +#define INT_FAST64_MIN INT64_MIN + +#define INT_FAST8_MAX INT8_MAX +#define INT_FAST16_MAX INT16_MAX +#define INT_FAST32_MAX INT32_MAX +#define INT_FAST64_MAX INT64_MAX + +#define UINT_FAST8_MAX UINT8_MAX +#define UINT_FAST16_MAX UINT16_MAX +#define UINT_FAST32_MAX UINT32_MAX +#define UINT_FAST64_MAX UINT64_MAX + +/* 7.18.2.4 Limits of integer types capable of holding + object pointers */ +#define INTPTR_MIN INT32_MIN +#define INTPTR_MAX INT32_MAX +#define UINTPTR_MAX UINT32_MAX + +/* 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 */ +#define PTRDIFF_MIN INT32_MIN +#define PTRDIFF_MAX INT32_MAX + +#define SIG_ATOMIC_MIN INT32_MIN +#define SIG_ATOMIC_MAX INT32_MAX + +#define SIZE_MAX UINT32_MAX + +#ifndef WCHAR_MIN /* also in wchar.h */ +#define WCHAR_MIN 0 +#define WCHAR_MAX ((wchar_t)-1) /* UINT16_MAX */ +#endif + +/* + * wint_t is unsigned int in __MINGW32__, + * but unsigned short in MS runtime + */ +#define WINT_MIN 0 +#define WINT_MAX UINT32_MAX + +#endif /* !defined ( __cplusplus) || defined __STDC_LIMIT_MACROS */ + + +/* 7.18.4 Macros for integer constants */ +#if !defined ( __cplusplus) || defined (__STDC_CONSTANT_MACROS) + +/* 7.18.4.1 Macros for minimum-width integer constants + + Accoding to Douglas Gwyn <gwyn@arl.mil>: + "This spec was changed in ISO/IEC 9899:1999 TC1; in ISO/IEC + 9899:1999 as initially published, the expansion was required + to be an integer constant of precisely matching type, which + is impossible to accomplish for the shorter types on most + platforms, because C99 provides no standard way to designate + an integer constant with width less than that of type int. + TC1 changed this to require just an integer constant + *expression* with *promoted* type." + + The trick used here is from Clive D W Feather. +*/ + +#define INT8_C(val) (INT_LEAST8_MAX-INT_LEAST8_MAX+(val)) +#define INT16_C(val) (INT_LEAST16_MAX-INT_LEAST16_MAX+(val)) +#define INT32_C(val) (INT_LEAST32_MAX-INT_LEAST32_MAX+(val)) +#define INT64_C(val) (INT_LEAST64_MAX-INT_LEAST64_MAX+(val)) + +#define UINT8_C(val) (UINT_LEAST8_MAX-UINT_LEAST8_MAX+(val)) +#define UINT16_C(val) (UINT_LEAST16_MAX-UINT_LEAST16_MAX+(val)) +#define UINT32_C(val) (UINT_LEAST32_MAX-UINT_LEAST32_MAX+(val)) +#define UINT64_C(val) (UINT_LEAST64_MAX-UINT_LEAST64_MAX+(val)) + +/* 7.18.4.2 Macros for greatest-width integer constants */ +#define INTMAX_C(val) (INTMAX_MAX-INTMAX_MAX+(val)) +#define UINTMAX_C(val) (UINTMAX_MAX-UINTMAX_MAX+(val)) + +#endif /* !defined ( __cplusplus) || defined __STDC_CONSTANT_MACROS */ + +#endif
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