Fossil SCM
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/* ints.h -- create integer types for 8, 16, 32, and 64 bits |
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* Copyright (C) 2024 Mark Adler |
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* For conditions of distribution and use, see the copyright notice in zlib.h |
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* |
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* There exist compilers with limits.h, but not stdint.h or inttypes.h. |
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*/ |
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#ifndef INTS_H |
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#define INTS_H |
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#include <limits.h> |
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#if defined(UCHAR_MAX) && UCHAR_MAX == 0xff |
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typedef signed char i8_t; |
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typedef unsigned char ui8_t; |
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#else |
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# error "no 8-bit integer" |
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#endif |
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#if defined(USHRT_MAX) && USHRT_MAX == 0xffff |
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typedef short i16_t; |
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typedef unsigned short ui16_t; |
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#elif defined(UINT_MAX) && UINT_MAX == 0xffff |
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typedef int i16_t; |
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typedef unsigned ui16_t; |
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#else |
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# error "no 16-bit integer" |
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#endif |
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#if defined(UINT_MAX) && UINT_MAX == 0xffffffff |
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typedef int i32_t; |
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typedef unsigned ui32_t; |
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# define PI32 "d" |
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# define PUI32 "u" |
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#elif defined(ULONG_MAX) && ULONG_MAX == 0xffffffff |
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typedef long i32_t; |
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typedef unsigned long ui32_t; |
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# define PI32 "ld" |
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# define PUI32 "lu" |
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#else |
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# error "no 32-bit integer" |
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#endif |
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#if defined(ULONG_MAX) && ULONG_MAX == 0xffffffffffffffff |
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typedef long i64_t; |
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typedef unsigned long ui64_t; |
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# define PI64 "ld" |
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# define PUI64 "lu" |
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#elif defined(ULLONG_MAX) && ULLONG_MAX == 0xffffffffffffffff |
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typedef long long i64_t; |
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typedef unsigned long long ui64_t; |
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# define PI64 "lld" |
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# define PUI64 "llu" |
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#elif defined(ULONG_LONG_MAX) && ULONG_LONG_MAX == 0xffffffffffffffff |
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typedef long long i64_t; |
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typedef unsigned long long ui64_t; |
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# define PI64 "lld" |
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# define PUI64 "llu" |
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#else |
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# error "no 64-bit integer" |
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#endif |
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#endif |
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