mirror of
https://sourceware.org/git/glibc.git
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320 lines
8.3 KiB
C
320 lines
8.3 KiB
C
/* Copyright (C) 1997,1998,1999,2000,2001,2006 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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/*
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* ISO C99: 7.18 Integer types <stdint.h>
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*/
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#ifndef _STDINT_H
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#define _STDINT_H 1
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#include <features.h>
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#include <bits/wchar.h>
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#include <bits/wordsize.h>
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/* Exact integral types. */
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/* Signed. */
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/* There is some amount of overlap with <sys/types.h> as known by inet code */
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#ifndef __int8_t_defined
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# define __int8_t_defined
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typedef signed char int8_t;
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typedef short int int16_t;
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typedef int int32_t;
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# if __WORDSIZE == 64
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typedef long int int64_t;
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# else
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__extension__
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typedef long long int int64_t;
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# endif
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#endif
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/* Unsigned. */
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typedef unsigned char uint8_t;
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typedef unsigned short int uint16_t;
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#ifndef __uint32_t_defined
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typedef unsigned int uint32_t;
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# define __uint32_t_defined
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#endif
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#if __WORDSIZE == 64
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typedef unsigned long int uint64_t;
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#else
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__extension__
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typedef unsigned long long int uint64_t;
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#endif
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/* Small types. */
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/* Signed. */
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typedef signed char int_least8_t;
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typedef short int int_least16_t;
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typedef int int_least32_t;
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#if __WORDSIZE == 64
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typedef long int int_least64_t;
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#else
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__extension__
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typedef long long int int_least64_t;
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#endif
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/* Unsigned. */
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typedef unsigned char uint_least8_t;
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typedef unsigned short int uint_least16_t;
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typedef unsigned int uint_least32_t;
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#if __WORDSIZE == 64
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typedef unsigned long int uint_least64_t;
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#else
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__extension__
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typedef unsigned long long int uint_least64_t;
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#endif
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/* Fast types. */
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/* Signed. */
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typedef signed char int_fast8_t;
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#if __WORDSIZE == 64
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typedef long int int_fast16_t;
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typedef long int int_fast32_t;
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typedef long int int_fast64_t;
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#else
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typedef int int_fast16_t;
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typedef int int_fast32_t;
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__extension__
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typedef long long int int_fast64_t;
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#endif
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/* Unsigned. */
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typedef unsigned char uint_fast8_t;
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#if __WORDSIZE == 64
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typedef unsigned long int uint_fast16_t;
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typedef unsigned long int uint_fast32_t;
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typedef unsigned long int uint_fast64_t;
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#else
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typedef unsigned int uint_fast16_t;
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typedef unsigned int uint_fast32_t;
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__extension__
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typedef unsigned long long int uint_fast64_t;
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#endif
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/* Types for `void *' pointers. */
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#if __WORDSIZE == 64
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# ifndef __intptr_t_defined
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typedef long int intptr_t;
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# define __intptr_t_defined
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# endif
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typedef unsigned long int uintptr_t;
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#else
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# ifndef __intptr_t_defined
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typedef int intptr_t;
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# define __intptr_t_defined
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# endif
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typedef unsigned int uintptr_t;
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#endif
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/* Largest integral types. */
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#if __WORDSIZE == 64
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typedef long int intmax_t;
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typedef unsigned long int uintmax_t;
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#else
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__extension__
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typedef long long int intmax_t;
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__extension__
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typedef unsigned long long int uintmax_t;
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#endif
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/* The ISO C99 standard specifies that in C++ implementations these
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macros should only be defined if explicitly requested. */
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#if !defined __cplusplus || defined __STDC_LIMIT_MACROS
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# if __WORDSIZE == 64
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# define __INT64_C(c) c ## L
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# define __UINT64_C(c) c ## UL
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# else
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# define __INT64_C(c) c ## LL
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# define __UINT64_C(c) c ## ULL
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# endif
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/* Limits of integral types. */
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/* Minimum of signed integral types. */
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# define INT8_MIN (-128)
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# define INT16_MIN (-32767-1)
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# define INT32_MIN (-2147483647-1)
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# define INT64_MIN (-__INT64_C(9223372036854775807)-1)
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/* Maximum of signed integral types. */
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# define INT8_MAX (127)
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# define INT16_MAX (32767)
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# define INT32_MAX (2147483647)
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# define INT64_MAX (__INT64_C(9223372036854775807))
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/* Maximum of unsigned integral types. */
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# define UINT8_MAX (255)
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# define UINT16_MAX (65535)
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# define UINT32_MAX (4294967295U)
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# define UINT64_MAX (__UINT64_C(18446744073709551615))
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/* Minimum of signed integral types having a minimum size. */
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# define INT_LEAST8_MIN (-128)
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# define INT_LEAST16_MIN (-32767-1)
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# define INT_LEAST32_MIN (-2147483647-1)
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# define INT_LEAST64_MIN (-__INT64_C(9223372036854775807)-1)
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/* Maximum of signed integral types having a minimum size. */
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# define INT_LEAST8_MAX (127)
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# define INT_LEAST16_MAX (32767)
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# define INT_LEAST32_MAX (2147483647)
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# define INT_LEAST64_MAX (__INT64_C(9223372036854775807))
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/* Maximum of unsigned integral types having a minimum size. */
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# define UINT_LEAST8_MAX (255)
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# define UINT_LEAST16_MAX (65535)
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# define UINT_LEAST32_MAX (4294967295U)
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# define UINT_LEAST64_MAX (__UINT64_C(18446744073709551615))
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/* Minimum of fast signed integral types having a minimum size. */
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# define INT_FAST8_MIN (-128)
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# if __WORDSIZE == 64
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# define INT_FAST16_MIN (-9223372036854775807L-1)
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# define INT_FAST32_MIN (-9223372036854775807L-1)
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# else
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# define INT_FAST16_MIN (-2147483647-1)
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# define INT_FAST32_MIN (-2147483647-1)
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# endif
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# define INT_FAST64_MIN (-__INT64_C(9223372036854775807)-1)
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/* Maximum of fast signed integral types having a minimum size. */
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# define INT_FAST8_MAX (127)
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# if __WORDSIZE == 64
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# define INT_FAST16_MAX (9223372036854775807L)
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# define INT_FAST32_MAX (9223372036854775807L)
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# else
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# define INT_FAST16_MAX (2147483647)
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# define INT_FAST32_MAX (2147483647)
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# endif
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# define INT_FAST64_MAX (__INT64_C(9223372036854775807))
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/* Maximum of fast unsigned integral types having a minimum size. */
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# define UINT_FAST8_MAX (255)
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# if __WORDSIZE == 64
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# define UINT_FAST16_MAX (18446744073709551615UL)
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# define UINT_FAST32_MAX (18446744073709551615UL)
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# else
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# define UINT_FAST16_MAX (4294967295U)
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# define UINT_FAST32_MAX (4294967295U)
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# endif
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# define UINT_FAST64_MAX (__UINT64_C(18446744073709551615))
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/* Values to test for integral types holding `void *' pointer. */
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# if __WORDSIZE == 64
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# define INTPTR_MIN (-9223372036854775807L-1)
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# define INTPTR_MAX (9223372036854775807L)
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# define UINTPTR_MAX (18446744073709551615UL)
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# else
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# define INTPTR_MIN (-2147483647-1)
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# define INTPTR_MAX (2147483647)
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# define UINTPTR_MAX (4294967295U)
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# endif
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/* Minimum for largest signed integral type. */
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# define INTMAX_MIN (-__INT64_C(9223372036854775807)-1)
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/* Maximum for largest signed integral type. */
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# define INTMAX_MAX (__INT64_C(9223372036854775807))
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/* Maximum for largest unsigned integral type. */
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# define UINTMAX_MAX (__UINT64_C(18446744073709551615))
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/* Limits of other integer types. */
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/* Limits of `ptrdiff_t' type. */
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# if __WORDSIZE == 64
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# define PTRDIFF_MIN (-9223372036854775807L-1)
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# define PTRDIFF_MAX (9223372036854775807L)
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# else
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# define PTRDIFF_MIN (-2147483647-1)
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# define PTRDIFF_MAX (2147483647)
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# endif
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/* Limits of `sig_atomic_t'. */
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# define SIG_ATOMIC_MIN (-2147483647-1)
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# define SIG_ATOMIC_MAX (2147483647)
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/* Limit of `size_t' type. */
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# if __WORDSIZE == 64
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# define SIZE_MAX (18446744073709551615UL)
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# else
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# define SIZE_MAX (4294967295U)
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# endif
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/* Limits of `wchar_t'. */
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# ifndef WCHAR_MIN
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/* These constants might also be defined in <wchar.h>. */
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# define WCHAR_MIN __WCHAR_MIN
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# define WCHAR_MAX __WCHAR_MAX
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# endif
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/* Limits of `wint_t'. */
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# define WINT_MIN (0u)
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# define WINT_MAX (4294967295u)
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#endif /* C++ && limit macros */
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/* The ISO C99 standard specifies that in C++ implementations these
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should only be defined if explicitly requested. */
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#if !defined __cplusplus || defined __STDC_CONSTANT_MACROS
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/* Signed. */
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# define INT8_C(c) c
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# define INT16_C(c) c
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# define INT32_C(c) c
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# if __WORDSIZE == 64
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# define INT64_C(c) c ## L
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# else
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# define INT64_C(c) c ## LL
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# endif
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/* Unsigned. */
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# define UINT8_C(c) c
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# define UINT16_C(c) c
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# define UINT32_C(c) c ## U
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# if __WORDSIZE == 64
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# define UINT64_C(c) c ## UL
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# else
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# define UINT64_C(c) c ## ULL
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# endif
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/* Maximal type. */
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# if __WORDSIZE == 64
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# define INTMAX_C(c) c ## L
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# define UINTMAX_C(c) c ## UL
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# else
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# define INTMAX_C(c) c ## LL
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# define UINTMAX_C(c) c ## ULL
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# endif
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#endif /* C++ && constant macros */
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#endif /* stdint.h */
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