Kernel/include_std/limits.h

139 lines
3.2 KiB
C

/*
This file is part of Fennix Kernel.
Fennix Kernel is free software: you can redistribute it and/or
modify it under the terms of the GNU General Public License as
published by the Free Software Foundation, either version 3 of
the License, or (at your option) any later version.
Fennix Kernel 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with Fennix Kernel. If not, see <https://www.gnu.org/licenses/>.
*/
#ifndef __FENNIX_KERNEL_LIMITS_H__
#define __FENNIX_KERNEL_LIMITS_H__
#undef CHAR_BIT
#define CHAR_BIT __CHAR_BIT__
#ifndef MB_LEN_MAX
#define MB_LEN_MAX 1
#endif
#undef SCHAR_MIN
#define SCHAR_MIN (-SCHAR_MAX - 1)
#undef SCHAR_MAX
#define SCHAR_MAX __SCHAR_MAX__
#undef UCHAR_MAX
#if __SCHAR_MAX__ == __INT_MAX__
#define UCHAR_MAX (SCHAR_MAX * 2U + 1U)
#else
#define UCHAR_MAX (SCHAR_MAX * 2 + 1)
#endif
#ifdef __CHAR_UNSIGNED__
#undef CHAR_MIN
#if __SCHAR_MAX__ == __INT_MAX__
#define CHAR_MIN 0U
#else
#define CHAR_MIN 0
#endif
#undef CHAR_MAX
#define CHAR_MAX UCHAR_MAX
#else
#undef CHAR_MIN
#define CHAR_MIN SCHAR_MIN
#undef CHAR_MAX
#define CHAR_MAX SCHAR_MAX
#endif
#undef SHRT_MIN
#define SHRT_MIN (-SHRT_MAX - 1)
#undef SHRT_MAX
#define SHRT_MAX __SHRT_MAX__
#undef USHRT_MAX
#if __SHRT_MAX__ == __INT_MAX__
#define USHRT_MAX (SHRT_MAX * 2U + 1U)
#else
#define USHRT_MAX (SHRT_MAX * 2 + 1)
#endif
#undef INT_MIN
#define INT_MIN (-INT_MAX - 1)
#undef INT_MAX
#define INT_MAX __INT_MAX__
#undef UINT_MAX
#define UINT_MAX (INT_MAX * 2U + 1U)
#undef LONG_MIN
#define LONG_MIN (-LONG_MAX - 1L)
#undef LONG_MAX
#define LONG_MAX __LONG_MAX__
#undef ULONG_MAX
#define ULONG_MAX (LONG_MAX * 2UL + 1UL)
#if defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
#undef LLONG_MIN
#define LLONG_MIN (-LLONG_MAX - 1LL)
#undef LLONG_MAX
#define LLONG_MAX __LONG_LONG_MAX__
#undef ULLONG_MAX
#define ULLONG_MAX (LLONG_MAX * 2ULL + 1ULL)
#endif
#if defined(__GNU_LIBRARY__) ? defined(__USE_GNU) : !defined(__STRICT_ANSI__)
#undef LONG_LONG_MIN
#define LONG_LONG_MIN (-LONG_LONG_MAX - 1LL)
#undef LONG_LONG_MAX
#define LONG_LONG_MAX __LONG_LONG_MAX__
#undef ULONG_LONG_MAX
#define ULONG_LONG_MAX (LONG_LONG_MAX * 2ULL + 1ULL)
#endif
#if (defined __STDC_WANT_IEC_60559_BFP_EXT__ || (defined(__STDC_VERSION__) && __STDC_VERSION__ > 201710L))
#undef CHAR_WIDTH
#define CHAR_WIDTH __SCHAR_WIDTH__
#undef SCHAR_WIDTH
#define SCHAR_WIDTH __SCHAR_WIDTH__
#undef UCHAR_WIDTH
#define UCHAR_WIDTH __SCHAR_WIDTH__
#undef SHRT_WIDTH
#define SHRT_WIDTH __SHRT_WIDTH__
#undef USHRT_WIDTH
#define USHRT_WIDTH __SHRT_WIDTH__
#undef INT_WIDTH
#define INT_WIDTH __INT_WIDTH__
#undef UINT_WIDTH
#define UINT_WIDTH __INT_WIDTH__
#undef LONG_WIDTH
#define LONG_WIDTH __LONG_WIDTH__
#undef ULONG_WIDTH
#define ULONG_WIDTH __LONG_WIDTH__
#undef LLONG_WIDTH
#define LLONG_WIDTH __LONG_LONG_WIDTH__
#undef ULLONG_WIDTH
#define ULLONG_WIDTH __LONG_LONG_WIDTH__
#endif
#if defined(__STDC_VERSION__) && __STDC_VERSION__ > 201710L
#undef BOOL_MAX
#define BOOL_MAX 1
#undef BOOL_WIDTH
#define BOOL_WIDTH 1
#endif
#define MAX_ARG 0x20000
#endif // !__FENNIX_KERNEL_LIMITS_H__