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Diffstat (limited to 'include/stdint.h')
| -rw-r--r-- | include/stdint.h | 318 |
1 files changed, 318 insertions, 0 deletions
diff --git a/include/stdint.h b/include/stdint.h new file mode 100644 index 000000000..af73866e3 --- /dev/null +++ b/include/stdint.h @@ -0,0 +1,318 @@ +/* Copyright (C) 1997, 1998, 1999 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 of the + License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +/* + * ISO C 9X: 7.18 Integer types <stdint.h> + */ + +#ifndef _STDINT_H +#define _STDINT_H 1 + +#include <features.h> +#define __need_wchar_t +#include <stddef.h> +#include <bits/wordsize.h> + +/* Exact integral types. */ + +/* Signed. */ + +/* There is some amount of overlap with <sys/types.h> as known by inet code */ +#ifndef __int8_t_defined +# define __int8_t_defined +typedef signed char int8_t; +typedef short int int16_t; +typedef int int32_t; +# if __WORDSIZE == 64 +typedef long int int64_t; +# else +__extension__ +typedef long long int int64_t; +# endif +#endif + +/* Unsigned. */ +typedef unsigned char uint8_t; +typedef unsigned short int uint16_t; +typedef unsigned int uint32_t; +#if __WORDSIZE == 64 +typedef unsigned long int uint64_t; +#else +__extension__ +typedef unsigned long long int uint64_t; +#endif + + +/* Small types. */ + +/* Signed. */ +typedef signed char int_least8_t; +typedef short int int_least16_t; +typedef int int_least32_t; +#if __WORDSIZE == 64 +typedef long int int_least64_t; +#else +__extension__ +typedef long long int int_least64_t; +#endif + +/* Unsigned. */ +typedef unsigned char uint_least8_t; +typedef unsigned short int uint_least16_t; +typedef unsigned int uint_least32_t; +#if __WORDSIZE == 64 +typedef unsigned long int uint_least64_t; +#else +__extension__ +typedef unsigned long long int uint_least64_t; +#endif + + +/* Fast types. */ + +/* Signed. */ +typedef signed char int_fast8_t; +#if __WORDSIZE == 64 +typedef long int int_fast16_t; +typedef long int int_fast32_t; +typedef long int int_fast64_t; +#else +typedef int int_fast16_t; +typedef int int_fast32_t; +__extension__ +typedef long long int int_fast64_t; +#endif + +/* Unsigned. */ +typedef unsigned char uint_fast8_t; +#if __WORDSIZE == 64 +typedef unsigned long int uint_fast16_t; +typedef unsigned long int uint_fast32_t; +typedef unsigned long int uint_fast64_t; +#else +typedef unsigned int uint_fast16_t; +typedef unsigned int uint_fast32_t; +__extension__ +typedef unsigned long long int uint_fast64_t; +#endif + + +/* Types for `void *' pointers. */ +#if __WORDSIZE == 64 +# ifndef intptr_t +typedef long int intptr_t; +# define intptr_t intptr_t +# endif +typedef unsigned long int uintptr_t; +#else +# ifndef intptr_t +typedef int intptr_t; +# define intptr_t intptr_t +# endif +typedef unsigned int uintptr_t; +#endif + + +/* Largest integral types. */ +#if __WORDSIZE == 64 +typedef long int intmax_t; +typedef unsigned long int uintmax_t; +#else +__extension__ +typedef long long int intmax_t; +__extension__ +typedef unsigned long long int uintmax_t; +#endif + + +/* The ISO C 9X standard specifies that in C++ implementations these + macros should only be defined if explicitly requested. */ +#if !defined __cplusplus || defined __STDC_LIMIT_MACROS + +# if __WORDSIZE == 64 +# define __INT64_C(c) c ## L +# define __UINT64_C(c) c ## UL +# else +# define __INT64_C(c) c ## LL +# define __UINT64_C(c) c ## ULL +# endif + +/* Limits of integral types. */ + +/* Minimum of signed integral types. */ +# define INT8_MIN (-128) +# define INT16_MIN (-32767-1) +# define INT32_MIN (-2147483647-1) +# define INT64_MIN (-__INT64_C(9223372036854775807)-1) +/* Maximum of signed integral types. */ +# define INT8_MAX (127) +# define INT16_MAX (32767) +# define INT32_MAX (2147483647) +# define INT64_MAX (__INT64_C(9223372036854775807)) + +/* Maximum of unsigned integral types. */ +# define UINT8_MAX (255U) +# define UINT16_MAX (65535U) +# define UINT32_MAX (4294967295U) +# define UINT64_MAX (__UINT64_C(18446744073709551615)) + + +/* Minimum of signed integral types having a minimum size. */ +# define INT_LEAST8_MIN (-128) +# define INT_LEAST16_MIN (-32767-1) +# define INT_LEAST32_MIN (-2147483647-1) +# define INT_LEAST64_MIN (-__INT64_C(9223372036854775807)-1) +/* Maximum of signed integral types having a minimum size. */ +# define INT_LEAST8_MAX (127) +# define INT_LEAST16_MAX (32767) +# define INT_LEAST32_MAX (2147483647) +# define INT_LEAST64_MAX (__INT64_C(9223372036854775807)) + +/* Maximum of unsigned integral types having a minimum size. */ +# define UINT_LEAST8_MAX (255U) +# define UINT_LEAST16_MAX (65535U) +# define UINT_LEAST32_MAX (4294967295U) +# define UINT_LEAST64_MAX (__UINT64_C(18446744073709551615)) + + +/* Minimum of fast signed integral types having a minimum size. */ +# define INT_FAST8_MIN (-128) +# if __WORDSIZE == 64 +# define INT_FAST16_MIN (-9223372036854775807L-1) +# define INT_FAST32_MIN (-9223372036854775807L-1) +# else +# define INT_FAST16_MIN (-2147483647-1) +# define INT_FAST32_MIN (-2147483647-1) +# endif +# define INT_FAST64_MIN (-__INT64_C(9223372036854775807)-1) +/* Maximum of fast signed integral types having a minimum size. */ +# define INT_FAST8_MAX (127) +# if __WORDSIZE == 64 +# define INT_FAST16_MAX (9223372036854775807L) +# define INT_FAST32_MAX (9223372036854775807L) +# else +# define INT_FAST16_MAX (2147483647) +# define INT_FAST32_MAX (2147483647) +# endif +# define INT_FAST64_MAX (__INT64_C(9223372036854775807)) + +/* Maximum of fast unsigned integral types having a minimum size. */ +# define UINT_FAST8_MAX (255U) +# if __WORDSIZE == 64 +# define UINT_FAST16_MAX (18446744073709551615UL) +# define UINT_FAST32_MAX (18446744073709551615UL) +# else +# define UINT_FAST16_MAX (4294967295U) +# define UINT_FAST32_MAX (4294967295U) +# endif +# define UINT_FAST64_MAX (__UINT64_C(18446744073709551615)) + + +/* Values to test for integral types holding `void *' pointer. */ +# if __WORDSIZE == 64 +# define INTPTR_MIN (-9223372036854775807L-1) +# define INTPTR_MAX (9223372036854775807L) +# define UINTPTR_MAX (18446744073709551615UL) +# else +# define INTPTR_MIN (-2147483647-1) +# define INTPTR_MAX (2147483647) +# define UINTPTR_MAX (4294967295U) +# endif + + +/* Minimum for largest signed integral type. */ +# define INTMAX_MIN (-__INT64_C(9223372036854775807)-1) +/* Maximum for largest signed integral type. */ +# define INTMAX_MAX (__INT64_C(9223372036854775807)) + +/* Maximum for largest unsigned integral type. */ +# define UINTMAX_MAX (__UINT64_C(18446744073709551615)) + + +/* Limits of other integer types. */ + +/* Limits of `ptrdiff_t' type. */ +# if __WORDSIZE == 64 +# define PTRDIFF_MIN (-9223372036854775807L-1) +# define PTRDIFF_MAX (9223372036854775807L) +# else +# define PTRDIFF_MIN (-2147483647-1) +# define PTRDIFF_MAX (2147483647) +# endif + +/* Limits of `sig_atomic_t'. */ +# define SIG_ATOMIC_MIN (-2147483647-1) +# define SIG_ATOMIC_MAX (2147483647) + +/* Limit of `size_t' type. */ +# if __WORDSIZE == 64 +# define SIZE_MAX (18446744073709551615UL) +# else +# define SIZE_MAX (4294967295U) +# endif + +/* Limits of `wchar_t'. */ +# ifndef WCHAR_MIN +/* These constants might also be defined in <wchar.h>. */ +# define WCHAR_MIN (0) +# define WCHAR_MAX (2147483647) +# endif + +/* Limits of `wint_t'. */ +# define WINT_MIN (0) +# define WINT_MAX (2147483647) + +#endif /* C++ && limit macros */ + + +/* The ISO C 9X standard specifies that in C++ implementations these + should only be defined if explicitly requested. */ +#if !defined __cplusplus || defined __STDC_CONSTANT_MACROS + +/* Signed. */ +# define INT8_C(c) c +# define INT16_C(c) c +# define INT32_C(c) c +# if __WORDSIZE == 64 +# define INT64_C(c) c ## L +# else +# define INT64_C(c) c ## LL +# endif + +/* Unsigned. */ +# define UINT8_C(c) c ## U +# define UINT16_C(c) c ## U +# define UINT32_C(c) c ## U +# if __WORDSIZE == 64 +# define UINT64_C(c) c ## UL +# else +# define UINT64_C(c) c ## ULL +# endif + +/* Maximal type. */ +# if __WORDSIZE == 64 +# define INTMAX_C(c) c ## L +# define UINTMAX_C(c) c ## UL +# else +# define INTMAX_C(c) c ## LL +# define UINTMAX_C(c) c ## ULL +# endif + +#endif /* C++ && constant macros */ + +#endif /* stdint.h */ |