124 lines
4.5 KiB
C
124 lines
4.5 KiB
C
/*****************************************************************************/
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/* */
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/* inttypes.h */
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/* */
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/* Define integer types */
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/* */
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/* */
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/* */
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/* (C) 2004 Ullrich von Bassewitz */
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/* Roemerstrasse 52 */
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/* D-70794 Filderstadt */
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/* EMail: uz@cc65.org */
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/* */
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/* */
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/* This software is provided 'as-is', without any expressed or implied */
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/* warranty. In no event will the authors be held liable for any damages */
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/* arising from the use of this software. */
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/* */
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/* Permission is granted to anyone to use this software for any purpose, */
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/* including commercial applications, and to alter it and redistribute it */
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/* freely, subject to the following restrictions: */
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/* */
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/* 1. The origin of this software must not be misrepresented; you must not */
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/* claim that you wrote the original software. If you use this software */
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/* in a product, an acknowledgment in the product documentation would be */
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/* appreciated but is not required. */
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/* 2. Altered source versions must be plainly marked as such, and must not */
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/* be misrepresented as being the original software. */
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/* 3. This notice may not be removed or altered from any source */
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/* distribution. */
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/* */
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/*****************************************************************************/
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#ifndef INTTYPES_H
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#define INTTYPES_H
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/* If we have <stdint.h>, include it; otherwise, adapt types from <stddef.h>
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** and define integer boundary constants.
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** gcc and msvc don't define __STDC_VERSION__ without special flags, so check
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** for them explicitly. Undefined symbols are replaced by zero; so, checks for
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** defined(__GNUC__) and defined(_MSC_VER) aren't necessary.
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*/
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#if (__STDC_VERSION__ >= 199901) || (__GNUC__ >= 3) || (_MSC_VER >= 1600)
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#include <stdint.h>
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#else
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/* Assume that ptrdiff_t and size_t are wide enough to hold pointers.
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** Assume that they are the widest type.
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*/
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#include <limits.h>
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#include <stddef.h>
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typedef ptrdiff_t intptr_t;
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typedef size_t uintptr_t;
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typedef ptrdiff_t intmax_t;
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typedef size_t uintmax_t;
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#define INT8_MAX (0x7F)
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#define INT16_MAX (0x7FFF)
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#define INT32_MAX (0x7FFFFFFF)
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#define INT8_MIN (-INT8_MAX - 1)
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#define INT16_MIN (-INT16_MAX - 1)
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#define INT32_MIN (-INT32_MAX - 1)
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#define UINT8_MAX (0xFF)
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#define UINT16_MAX (0xFFFF)
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#define UINT32_MAX (0xFFFFFFFF)
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#if UCHAR_MAX == UINT8_MAX
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typedef unsigned char uint8_t;
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#else
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#error "No suitable type for uint8_t found."
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#endif
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#if SCHAR_MIN == INT8_MIN && SCHAR_MAX == INT8_MAX
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typedef signed char int8_t;
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#else
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#error "No suitable type for int8_t found."
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#endif
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#if UINT_MAX == UINT16_MAX
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typedef unsigned int uint16_t;
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#elif USHRT_MAX == UINT16_MAX
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typedef unsigned short uint16_t;
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#else
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#error "No suitable type for uint16_t found."
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#endif
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#if INT_MIN == INT16_MIN && INT_MAX == INT16_MAX
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typedef int int16_t;
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#elif SHRT_MIN == INT16_MIN && SHRT_MAX == INT16_MAX
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typedef short int16_t;
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#else
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#error "No suitable type for int16_t found."
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#endif
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#if UINT_MAX == UINT32_MAX
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typedef unsigned int uint32_t;
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#elif ULONG_MAX == UINT32_MAX
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typedef unsigned long uint32_t;
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#else
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#error "No suitable type for uint32_t found."
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#endif
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#if INT_MIN == INT32_MIN && INT_MAX == INT32_MAX
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typedef int int32_t;
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#elif LONG_MIN == INT32_MIN && LONG_MAX == INT32_MAX
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typedef long int32_t;
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#else
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#error "No suitable type for int32_t found."
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#endif
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#endif
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/* End of inttypes.h */
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#endif
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