freestnd-c-hdrs-0bsd/limits.h

92 lines
2.2 KiB
C

/* Copyright (C) 2022-2023 mintsuki and contributors.
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
* SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
* OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#if !defined(__FSTD_HDRS_LIMITS_H) || defined(__FSTD_HDRS_CXX_WRAP)
#if !defined(__FSTD_HDRS_CXX_WRAP)
#define __FSTD_HDRS_LIMITS_H 1
#endif
#undef CHAR_BIT
#define CHAR_BIT __CHAR_BIT__
#ifndef MB_LEN_MAX
# define MB_LEN_MAX 1
#endif
#undef SCHAR_MAX
#define SCHAR_MAX __SCHAR_MAX__
#undef SCHAR_MIN
#define SCHAR_MIN (-SCHAR_MAX - 1)
#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_MAX
# define CHAR_MAX UCHAR_MAX
# undef CHAR_MIN
# if __SCHAR_MAX__ == __INT_MAX__
# define CHAR_MIN 0U
# else
# define CHAR_MIN 0
# endif
#else
# undef CHAR_MAX
# define CHAR_MAX SCHAR_MAX
# undef CHAR_MIN
# define CHAR_MIN SCHAR_MIN
#endif
#undef SHRT_MAX
#define SHRT_MAX __SHRT_MAX__
#undef SHRT_MIN
#define SHRT_MIN (-SHRT_MAX - 1)
#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_MAX
#define INT_MAX __INT_MAX__
#undef INT_MIN
#define INT_MIN (-INT_MAX - 1)
#undef UINT_MAX
#define UINT_MAX (INT_MAX * 2U + 1U)
#undef LONG_MAX
#define LONG_MAX __LONG_MAX__
#undef LONG_MIN
#define LONG_MIN (-LONG_MAX - 1L)
#undef ULONG_MAX
#define ULONG_MAX (LONG_MAX * 2UL + 1UL)
#undef LLONG_MAX
#define LLONG_MAX __LONG_LONG_MAX__
#undef LLONG_MIN
#define LLONG_MIN (-LLONG_MAX - 1LL)
#undef ULLONG_MAX
#define ULLONG_MAX (LLONG_MAX * 2ULL + 1ULL)
#endif