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These files have been created by running ./build-aux/bootstrap with Gnulib as at commit 877b0c46019d34e722c94248edbfaf5bfbaa17ec (with a date stamp of Wed Jan 8 03:32:20 2020 +0100), Autoconf 2.69, Automake 1.16.1, Gettext 0.19.8.1 and pkgconf 1.6.3.
105 lines
3.8 KiB
C
105 lines
3.8 KiB
C
/* A GNU-like <limits.h>.
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Copyright 2016-2020 Free Software Foundation, Inc.
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 3, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but 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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You should have received a copy of the GNU General Public License
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along with this program; if not, see <https://www.gnu.org/licenses/>. */
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#ifndef _@GUARD_PREFIX@_LIMITS_H
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#if __GNUC__ >= 3
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@PRAGMA_SYSTEM_HEADER@
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#endif
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@PRAGMA_COLUMNS@
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/* The include_next requires a split double-inclusion guard. */
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#@INCLUDE_NEXT@ @NEXT_LIMITS_H@
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#ifndef _@GUARD_PREFIX@_LIMITS_H
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#define _@GUARD_PREFIX@_LIMITS_H
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#ifndef LLONG_MIN
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# if defined LONG_LONG_MIN /* HP-UX 11.31 */
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# define LLONG_MIN LONG_LONG_MIN
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# elif defined LONGLONG_MIN /* IRIX 6.5 */
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# define LLONG_MIN LONGLONG_MIN
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# elif defined __GNUC__
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# define LLONG_MIN (- __LONG_LONG_MAX__ - 1LL)
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# endif
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#endif
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#ifndef LLONG_MAX
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# if defined LONG_LONG_MAX /* HP-UX 11.31 */
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# define LLONG_MAX LONG_LONG_MAX
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# elif defined LONGLONG_MAX /* IRIX 6.5 */
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# define LLONG_MAX LONGLONG_MAX
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# elif defined __GNUC__
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# define LLONG_MAX __LONG_LONG_MAX__
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# endif
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#endif
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#ifndef ULLONG_MAX
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# if defined ULONG_LONG_MAX /* HP-UX 11.31 */
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# define ULLONG_MAX ULONG_LONG_MAX
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# elif defined ULONGLONG_MAX /* IRIX 6.5 */
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# define ULLONG_MAX ULONGLONG_MAX
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# elif defined __GNUC__
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# define ULLONG_MAX (__LONG_LONG_MAX__ * 2ULL + 1ULL)
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# endif
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#endif
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/* The number of usable bits in an unsigned or signed integer type
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with minimum value MIN and maximum value MAX, as an int expression
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suitable in #if. Cover all known practical hosts. This
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implementation exploits the fact that MAX is 1 less than a power of
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2, and merely counts the number of 1 bits in MAX; "COBn" means
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"count the number of 1 bits in the low-order n bits"). */
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#define _GL_INTEGER_WIDTH(min, max) (((min) < 0) + _GL_COB128 (max))
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#define _GL_COB128(n) (_GL_COB64 ((n) >> 31 >> 31 >> 2) + _GL_COB64 (n))
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#define _GL_COB64(n) (_GL_COB32 ((n) >> 31 >> 1) + _GL_COB32 (n))
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#define _GL_COB32(n) (_GL_COB16 ((n) >> 16) + _GL_COB16 (n))
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#define _GL_COB16(n) (_GL_COB8 ((n) >> 8) + _GL_COB8 (n))
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#define _GL_COB8(n) (_GL_COB4 ((n) >> 4) + _GL_COB4 (n))
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#define _GL_COB4(n) (!!((n) & 8) + !!((n) & 4) + !!((n) & 2) + !!((n) & 1))
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#ifndef WORD_BIT
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/* Assume 'int' is 32 bits wide. */
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# define WORD_BIT 32
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#endif
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#ifndef LONG_BIT
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/* Assume 'long' is 32 or 64 bits wide. */
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# if LONG_MAX == INT_MAX
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# define LONG_BIT 32
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# else
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# define LONG_BIT 64
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# endif
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#endif
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/* Macros specified by ISO/IEC TS 18661-1:2014. */
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#if (! defined ULLONG_WIDTH \
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&& (defined _GNU_SOURCE || defined __STDC_WANT_IEC_60559_BFP_EXT__))
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# define CHAR_WIDTH _GL_INTEGER_WIDTH (CHAR_MIN, CHAR_MAX)
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# define SCHAR_WIDTH _GL_INTEGER_WIDTH (SCHAR_MIN, SCHAR_MAX)
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# define UCHAR_WIDTH _GL_INTEGER_WIDTH (0, UCHAR_MAX)
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# define SHRT_WIDTH _GL_INTEGER_WIDTH (SHRT_MIN, SHRT_MAX)
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# define USHRT_WIDTH _GL_INTEGER_WIDTH (0, USHRT_MAX)
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# define INT_WIDTH _GL_INTEGER_WIDTH (INT_MIN, INT_MAX)
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# define UINT_WIDTH _GL_INTEGER_WIDTH (0, UINT_MAX)
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# define LONG_WIDTH _GL_INTEGER_WIDTH (LONG_MIN, LONG_MAX)
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# define ULONG_WIDTH _GL_INTEGER_WIDTH (0, ULONG_MAX)
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# define LLONG_WIDTH _GL_INTEGER_WIDTH (LLONG_MIN, LLONG_MAX)
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# define ULLONG_WIDTH _GL_INTEGER_WIDTH (0, ULLONG_MAX)
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#endif /* !ULLONG_WIDTH && (_GNU_SOURCE || __STDC_WANT_IEC_60559_BFP_EXT__) */
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#endif /* _@GUARD_PREFIX@_LIMITS_H */
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#endif /* _@GUARD_PREFIX@_LIMITS_H */
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