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| -rw-r--r-- | libc/include/stdint.h | 189 |
1 files changed, 189 insertions, 0 deletions
diff --git a/libc/include/stdint.h b/libc/include/stdint.h new file mode 100644 index 0000000..1d57a0e --- /dev/null +++ b/libc/include/stdint.h @@ -0,0 +1,189 @@ +/* Copyright (C) 1997,1998,1999,2000,2001,2006 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 Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ + +/* 2015-03-08: Modified for Dev86 by Jody Bruchon <jody@jodybruchon.com> */ + +/* + * ISO C99: 7.18 Integer types <stdint.h> + */ + +#ifndef _STDINT_H +#define _STDINT_H 1 + +#include <features.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 int int16_t; +typedef long int int32_t; +#endif + +/* Unsigned. */ +typedef unsigned char uint8_t; +typedef unsigned int uint16_t; +#ifndef __uint32_t_defined +typedef unsigned long uint32_t; +# define __uint32_t_defined +#endif + + +/* Small types. */ + +/* Signed. */ +typedef signed char int_least8_t; +typedef int int_least16_t; +typedef long int_least32_t; + +/* Unsigned. */ +typedef unsigned char uint_least8_t; +typedef unsigned int uint_least16_t; +typedef unsigned long uint_least32_t; + +/* Fast types. */ + +/* Signed. */ +typedef signed char int_fast8_t; +typedef int int_fast16_t; +typedef long int_fast32_t; + +/* Unsigned. */ +typedef unsigned char uint_fast8_t; +typedef unsigned int uint_fast16_t; +typedef unsigned long uint_fast32_t; + + +/* Types for `void *' pointers. */ +#ifndef __intptr_t_defined +typedef int intptr_t; +#define __intptr_t_defined +#endif +typedef unsigned int uintptr_t; + + +/* Largest integral types. */ +typedef long int intmax_t; +typedef unsigned long int uintmax_t; + + +/* The ISO C99 standard specifies that in C++ implementations these + macros should only be defined if explicitly requested. */ +#if !defined __cplusplus || defined __STDC_LIMIT_MACROS + +/* Limits of integral types. */ + +/* Minimum of signed integral types. */ +# define INT8_MIN (-128) +# define INT16_MIN (-32767-1) +# define INT32_MIN (-2147483647-1) +/* Maximum of signed integral types. */ +# define INT8_MAX (127) +# define INT16_MAX (32767) +# define INT32_MAX (2147483647) + +/* Maximum of unsigned integral types. */ +# define UINT8_MAX (255) +# define UINT16_MAX (65535) +# define UINT32_MAX (4294967295U) + +/* 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) +/* Maximum of signed integral types having a minimum size. */ +# define INT_LEAST8_MAX (127) +# define INT_LEAST16_MAX (32767) +# define INT_LEAST32_MAX (2147483647) + +/* Maximum of unsigned integral types having a minimum size. */ +# define UINT_LEAST8_MAX (255) +# define UINT_LEAST16_MAX (65535) +# define UINT_LEAST32_MAX (4294967295U) + +/* Minimum of fast signed integral types having a minimum size. */ +# define INT_FAST8_MIN (-128) +# define INT_FAST16_MIN (-32767-1) +# define INT_FAST32_MIN (-2147483647-1) +/* Maximum of fast signed integral types having a minimum size. */ +# define INT_FAST8_MAX (127) +# define INT_FAST16_MAX (32767) +# define INT_FAST32_MAX (2147483647) + +/* Maximum of fast unsigned integral types having a minimum size. */ +# define UINT_FAST8_MAX (255) +# define UINT_FAST16_MAX (65535U) +# define UINT_FAST32_MAX (4294967295U) + +/* Values to test for integral types holding `void *' pointer. */ +# define INTPTR_MIN (-32767-1) +# define INTPTR_MAX (32767) +# define UINTPTR_MAX (65535U) + + +/* Minimum for largest signed integral type. */ +# define INTMAX_MIN (-2147483647-1) +/* Maximum for largest signed integral type. */ +# define INTMAX_MAX (2147483647) + +/* Maximum for largest unsigned integral type. */ +# define UINTMAX_MAX (4294967295) + +/* Limits of other integer types. */ + +/* Limits of `ptrdiff_t' type. */ +# define PTRDIFF_MIN (-32767-1) +# define PTRDIFF_MAX (32767) + +/* Limits of `sig_atomic_t'. */ +# define SIG_ATOMIC_MIN (-32767-1) +# define SIG_ATOMIC_MAX (32767) + +/* Limit of `size_t' type. */ +/* FIXME: Linux target has a 32-bit size_t but who really uses that target? */ +# define SIZE_MAX (65535U) + +#endif /* C++ && limit macros */ + + +/* The ISO C99 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 +# define INT64_C(c) c ## LL + +/* Unsigned. */ +# define UINT8_C(c) c +# define UINT16_C(c) c +# define UINT32_C(c) c ## U +# define UINT64_C(c) c ## ULL + +/* Maximal type. */ +# define INTMAX_C(c) c ## LL +# define UINTMAX_C(c) c ## ULL + +#endif /* C++ && constant macros */ + +#endif /* stdint.h */ |