6d784aa5ae
`char` signedness is not defined by C standard. In some architectures it's `unsigned` by default (RISC-V), so it's better to be explicit to avoid problems. * include/stdint.h (int8_t): Use `signed char` instead of `char`.
111 lines
2.6 KiB
C
111 lines
2.6 KiB
C
/* -*-comment-start: "//";comment-end:""-*-
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* GNU Mes --- Maxwell Equations of Software
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* Copyright © 2017,2020 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
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* Copyright © 2018 Peter De Wachter <pdewacht@gmail.com>
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*
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* This file is part of GNU Mes.
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*
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* GNU Mes is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or (at
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* your option) any later version.
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*
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* GNU Mes is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with GNU Mes. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef __MES_STDINT_H
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#define __MES_STDINT_H 1
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#if SYSTEM_LIBC
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#ifndef _GNU_SOURCE
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#define _GNU_SOURCE
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#endif
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#undef __MES_STDINT_H
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#include_next <stdint.h>
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#else // ! SYSTEM_LIBC
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#undef unsigned
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#undef uint8_t
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#undef int8_t
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#undef uint16_t
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#undef int16_t
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#undef uint32_t
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#undef int32_t
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#undef uint64_t
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#undef int64_t
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#undef uintptr_t
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#undef intmax_t
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#undef intptr_t
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#undef uintmax_t
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#undef ptrdiff_t
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typedef unsigned char uint8_t;
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typedef signed char int8_t;
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typedef unsigned short uint16_t;
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typedef short int16_t;
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typedef unsigned uint32_t;
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typedef int int32_t;
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#if __SIZEOF_LONG_LONG__ == 8
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typedef unsigned long long uint64_t;
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typedef long long int64_t;
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#endif // __SIZEOF_LONG_LONG__ == 8
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typedef int intmax_t;
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typedef unsigned uintmax_t;
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#include <sys/types.h>
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#define CHAR_BIT 8
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#define CHAR_MAX 255
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#define UCHAR_MAX 255
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#define INT8_MAX 127
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#define INT8_MIN (-INT8_MAX-1)
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#define UINT8_MAX 255
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#define INT16_MAX 32767
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#define INT16_MIN (-INT16_MAX-1)
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#define UINT16_MAX 65535
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#define INT32_MAX 2147483647
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#define INT32_MIN (-INT32_MAX-1)
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#define UINT32_MAX 4294967295U
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#define INT64_MAX 9223372036854775807LL
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#define INT64_MIN (-INT64_MAX-1)
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#define UINT64_MAX 18446744073709551615ULL
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#define INT_MIN -2147483648
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#define INT_MAX 2147483647
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#if __i386__ || __arm__ || __riscv_xlen == 32
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#define LONG_MIN INT_MIN
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#define LONG_MAX INT_MAX
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#define UINT_MAX UINT32_MAX
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#define ULONG_MAX UINT32_MAX
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#define LLONG_MIN INT64_MIN
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#define LLONG_MAX INT64_MAX
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#define SIZE_MAX UINT32_MAX
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#elif __x86_64__ || __riscv_xlen == 64
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#define LONG_MIN INT64_MIN
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#define LONG_MAX INT64_MAX
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#define UINT_MAX UINT32_MAX
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#define ULONG_MAX UINT64_MAX
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#define LLONG_MIN INT64_MIN
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#define LLONG_MAX INT64_MAX
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#define SIZE_MAX UINT64_MAX
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#endif
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#endif // ! SYSTEM_LIBC
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#endif // __MES_STDINT_H
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