mirror of
git://git.sv.gnu.org/emacs.git
synced 2025-12-06 06:20:55 -08:00
ecf08f0621
dc4e6b1329; Update copyright years in more files64b3777631; Run set-copyright from admin.el8e1c56ae46; Add 2024 to copyright years # Conflicts: # doc/misc/modus-themes.org # doc/misc/texinfo.tex # etc/NEWS # etc/refcards/ru-refcard.tex # etc/themes/modus-operandi-theme.el # etc/themes/modus-themes.el # etc/themes/modus-vivendi-theme.el # lib/alloca.in.h # lib/binary-io.h # lib/c-ctype.h # lib/c-strcasecmp.c # lib/c-strncasecmp.c # lib/careadlinkat.c # lib/cloexec.c # lib/close-stream.c # lib/diffseq.h # lib/dup2.c # lib/filemode.h # lib/fpending.c # lib/fpending.h # lib/fsusage.c # lib/getgroups.c # lib/getloadavg.c # lib/gettext.h # lib/gettime.c # lib/gettimeofday.c # lib/group-member.c # lib/malloc.c # lib/md5-stream.c # lib/md5.c # lib/md5.h # lib/memmem.c # lib/memrchr.c # lib/nanosleep.c # lib/save-cwd.h # lib/sha1.c # lib/sig2str.c # lib/stdlib.in.h # lib/strtoimax.c # lib/strtol.c # lib/strtoll.c # lib/time_r.c # lib/xalloc-oversized.h # lisp/auth-source-pass.el # lisp/emacs-lisp/lisp-mnt.el # lisp/emacs-lisp/timer.el # lisp/info-look.el # lisp/jit-lock.el # lisp/loadhist.el # lisp/mail/rmail.el # lisp/net/ntlm.el # lisp/net/webjump.el # lisp/progmodes/asm-mode.el # lisp/progmodes/project.el # lisp/progmodes/sh-script.el # lisp/textmodes/flyspell.el # lisp/textmodes/reftex-toc.el # lisp/textmodes/reftex.el # lisp/textmodes/tex-mode.el # lisp/url/url-gw.el # m4/alloca.m4 # m4/clock_time.m4 # m4/d-type.m4 # m4/dirent_h.m4 # m4/dup2.m4 # m4/euidaccess.m4 # m4/fchmodat.m4 # m4/filemode.m4 # m4/fsusage.m4 # m4/getgroups.m4 # m4/getloadavg.m4 # m4/getrandom.m4 # m4/gettime.m4 # m4/gettimeofday.m4 # m4/gnulib-common.m4 # m4/group-member.m4 # m4/inttypes.m4 # m4/malloc.m4 # m4/manywarnings.m4 # m4/mempcpy.m4 # m4/memrchr.m4 # m4/mkostemp.m4 # m4/mktime.m4 # m4/nproc.m4 # m4/nstrftime.m4 # m4/pathmax.m4 # m4/pipe2.m4 # m4/pselect.m4 # m4/pthread_sigmask.m4 # m4/readlink.m4 # m4/realloc.m4 # m4/sig2str.m4 # m4/ssize_t.m4 # m4/stat-time.m4 # m4/stddef_h.m4 # m4/stdint.m4 # m4/stdio_h.m4 # m4/stdlib_h.m4 # m4/stpcpy.m4 # m4/strnlen.m4 # m4/strtoimax.m4 # m4/strtoll.m4 # m4/time_h.m4 # m4/timegm.m4 # m4/timer_time.m4 # m4/timespec.m4 # m4/unistd_h.m4 # m4/warnings.m4 # nt/configure.bat # nt/preprep.c # test/lisp/register-tests.el
151 lines
4.9 KiB
C
151 lines
4.9 KiB
C
/* 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
|