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https://github.com/justinian/jsix.git
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346c172b32
This new libc is mostly from scratch, with *printf() functions provided by Marco Paland and Eyal Rozenberg's tiny printf library, and malloc and friends provided by dlmalloc.
85 lines
2.1 KiB
C
85 lines
2.1 KiB
C
#pragma once
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/** \file limits.h
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* Sizes of integer types
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*
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* This file is part of the C standard library for the jsix operating
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* system.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at https://mozilla.org/MPL/2.0/.
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*/
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#define CHAR_BIT __CHAR_BIT__
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#define SCHAR_MAX __SCHAR_MAX__
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#define SCHAR_MIN ((-__SCHAR_MAX__) - 1)
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#define UCHAR_MAX __UCHAR_MAX__
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#if ((char)-1) < 0
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// char is signed
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#define CHAR_MAX SCHAR_MAX
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#define CHAR_MIN SCHAR_MIN
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#else
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// char is unsigned
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#define CHAR_MAX UCHAR_MAX
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#define CHAR_MIN 0
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#endif
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#define MB_LEN_MAX
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#define SHRT_MAX __SHRT_MAX__
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#define SHRT_MIN ((-__SHRT_MAX__) - 1)
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#if __SIZEOF_SHORT__ == 1
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#define USHRT_MAX __UINT8_MAX__
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#elif __SIZEOF_SHORT__ == 2
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#define USHRT_MAX __UINT16_MAX__
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#elif __SIZEOF_SHORT__ == 4
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#define USHRT_MAX __UINT32_MAX__
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#endif
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#define INT_MAX __INT_MAX__
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#define INT_MIN ((-__INT_MAX__) - 1)
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#if __SIZEOF_INT__ == 1
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#define UINT_MAX __UINT8_MAX__
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#elif __SIZEOF_INT__ == 2
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#define UINT_MAX __UINT16_MAX__
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#elif __SIZEOF_INT__ == 4
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#define UINT_MAX __UINT32_MAX__
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#elif __SIZEOF_INT__ == 8
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#define UINT_MAX __UINT64_MAX__
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#endif
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#define LONG_MAX __LONG_MAX__
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#define LONG_MIN ((-__LONG_MAX__) - 1)
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#if __SIZEOF_LONG__ == 1
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#define ULONG_MAX __UINT8_MAX__
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#elif __SIZEOF_LONG__ == 2
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#define ULONG_MAX __UINT16_MAX__
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#elif __SIZEOF_LONG__ == 4
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#define ULONG_MAX __UINT32_MAX__
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#elif __SIZEOF_LONG__ == 8
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#define ULONG_MAX __UINT64_MAX__
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#elif __SIZEOF_LONG__ == 16
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#define ULONG_MAX __UINT128_MAX__
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#endif
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#define LLONG_MAX __LONG_LONG_MAX__
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#define LLONG_MIN ((-__LONG_LONG_MAX__) - 1)
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#if __SIZEOF_LONG_LONG__ == 1
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#define ULLONG_MAX __UINT8_MAX__
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#elif __SIZEOF_LONG_LONG__ == 2
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#define ULLONG_MAX __UINT16_MAX__
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#elif __SIZEOF_LONG_LONG__ == 4
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#define ULLONG_MAX __UINT32_MAX__
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#elif __SIZEOF_LONG_LONG__ == 8
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#define ULLONG_MAX __UINT64_MAX__
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#elif __SIZEOF_LONG_LONG__ == 16
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#define ULLONG_MAX __UINT128_MAX__
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#endif
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