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/* A GNU-like <limits.h>.
Copyright 2016-2024 Free Software Foundation, Inc.
This file is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as
published by the Free Software Foundation; either version 2.1 of the
License, or (at your option) any later version.
This file 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 Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>. */
#if __GNUC__ >= 3
@PRAGMA_SYSTEM_HEADER@
#endif
@PRAGMA_COLUMNS@
#if defined _GL_ALREADY_INCLUDING_LIMITS_H
/* Special invocation convention:
On Haiku/x86_64, we have a sequence of nested includes
<limits.h> -> <syslimits.h> -> <limits.h>.
In this situation, LONG_MAX and INT_MAX are not yet defined,
therefore we should not attempt to define LONG_BIT. */
#@INCLUDE_NEXT@ @NEXT_LIMITS_H@
#else
/* Normal invocation convention. */
#ifndef _@GUARD_PREFIX@_LIMITS_H
# define _GL_ALREADY_INCLUDING_LIMITS_H
/* The include_next requires a split double-inclusion guard. */
# @INCLUDE_NEXT@ @NEXT_LIMITS_H@
# undef _GL_ALREADY_INCLUDING_LIMITS_H
#ifndef _@GUARD_PREFIX@_LIMITS_H
#define _@GUARD_PREFIX@_LIMITS_H
#ifndef LLONG_MIN
# if defined LONG_LONG_MIN /* HP-UX 11.31 */
# define LLONG_MIN LONG_LONG_MIN
# elif defined LONGLONG_MIN /* IRIX 6.5 */
# define LLONG_MIN LONGLONG_MIN
# elif defined __GNUC__
# define LLONG_MIN (- __LONG_LONG_MAX__ - 1LL)
# endif
#endif
#ifndef LLONG_MAX
# if defined LONG_LONG_MAX /* HP-UX 11.31 */
# define LLONG_MAX LONG_LONG_MAX
# elif defined LONGLONG_MAX /* IRIX 6.5 */
# define LLONG_MAX LONGLONG_MAX
# elif defined __GNUC__
# define LLONG_MAX __LONG_LONG_MAX__
# endif
#endif
#ifndef ULLONG_MAX
# if defined ULONG_LONG_MAX /* HP-UX 11.31 */
# define ULLONG_MAX ULONG_LONG_MAX
# elif defined ULONGLONG_MAX /* IRIX 6.5 */
# define ULLONG_MAX ULONGLONG_MAX
# elif defined __GNUC__
# define ULLONG_MAX (__LONG_LONG_MAX__ * 2ULL + 1ULL)
# endif
#endif
/* The number of usable bits in an unsigned or signed integer type
with minimum value MIN and maximum value MAX, as an int expression
suitable in #if. Cover all known practical hosts. This
implementation exploits the fact that MAX is 1 less than a power of
2, and merely counts the number of 1 bits in MAX; "COBn" means
"count the number of 1 bits in the low-order n bits"). */
#define _GL_INTEGER_WIDTH(min, max) (((min) < 0) + _GL_COB128 (max))
#define _GL_COB128(n) (_GL_COB64 ((n) >> 31 >> 31 >> 2) + _GL_COB64 (n))
#define _GL_COB64(n) (_GL_COB32 ((n) >> 31 >> 1) + _GL_COB32 (n))
#define _GL_COB32(n) (_GL_COB16 ((n) >> 16) + _GL_COB16 (n))
#define _GL_COB16(n) (_GL_COB8 ((n) >> 8) + _GL_COB8 (n))
#define _GL_COB8(n) (_GL_COB4 ((n) >> 4) + _GL_COB4 (n))
#define _GL_COB4(n) (!!((n) & 8) + !!((n) & 4) + !!((n) & 2) + !!((n) & 1))
#ifndef WORD_BIT
/* Assume 'int' is 32 bits wide. */
# define WORD_BIT 32
#endif
#ifndef LONG_BIT
/* Assume 'long' is 32 or 64 bits wide. */
# if LONG_MAX == INT_MAX
# define LONG_BIT 32
# else
# define LONG_BIT 64
# endif
#endif
/* Assume no multibyte character is longer than 16 bytes. */
#ifndef MB_LEN_MAX
# define MB_LEN_MAX 16
#endif
/* Macros specified by C23 and by ISO/IEC TS 18661-1:2014. */
#if (! defined ULLONG_WIDTH \
&& (defined _GNU_SOURCE || defined __STDC_WANT_IEC_60559_BFP_EXT__ \
|| (defined __STDC_VERSION__ && 201710 < __STDC_VERSION__)))
# define CHAR_WIDTH _GL_INTEGER_WIDTH (CHAR_MIN, CHAR_MAX)
# define SCHAR_WIDTH _GL_INTEGER_WIDTH (SCHAR_MIN, SCHAR_MAX)
# define UCHAR_WIDTH _GL_INTEGER_WIDTH (0, UCHAR_MAX)
# define SHRT_WIDTH _GL_INTEGER_WIDTH (SHRT_MIN, SHRT_MAX)
# define USHRT_WIDTH _GL_INTEGER_WIDTH (0, USHRT_MAX)
# define INT_WIDTH _GL_INTEGER_WIDTH (INT_MIN, INT_MAX)
# define UINT_WIDTH _GL_INTEGER_WIDTH (0, UINT_MAX)
# define LONG_WIDTH _GL_INTEGER_WIDTH (LONG_MIN, LONG_MAX)
# define ULONG_WIDTH _GL_INTEGER_WIDTH (0, ULONG_MAX)
# define LLONG_WIDTH _GL_INTEGER_WIDTH (LLONG_MIN, LLONG_MAX)
# define ULLONG_WIDTH _GL_INTEGER_WIDTH (0, ULLONG_MAX)
#endif
/* Macros specified by C23. */
#if (defined _GNU_SOURCE \
|| (defined __STDC_VERSION__ && 201710 < __STDC_VERSION__))
# if ! defined BOOL_WIDTH
# define BOOL_WIDTH 1
# define BOOL_MAX 1
# elif ! defined BOOL_MAX
# define BOOL_MAX ((((1U << (BOOL_WIDTH - 1)) - 1) << 1) + 1)
# endif
#endif
/* Macro specified by POSIX. */
/* The maximum ssize_t value. Although it might not be of ssize_t type
as it should be, it's too much trouble to fix this minor detail. */
#ifndef SSIZE_MAX
# ifdef _WIN64
# define SSIZE_MAX LLONG_MAX
# else
# define SSIZE_MAX LONG_MAX
# endif
#endif
#endif /* _@GUARD_PREFIX@_LIMITS_H */
#endif /* _@GUARD_PREFIX@_LIMITS_H */
#endif
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