New upstream version 1.0upstream/1.0

1 files changed, 77 insertions, 29 deletions

diff --git a/lib/limits.in.h b/lib/limits.in.h
index aa886e5d..b77bf75c 100644
--- a/lib/limits.in.h
+++ b/lib/limits.in.h
@@ -1,51 +1,75 @@
 /* A GNU-like <limits.h>.
 
-   Copyright 2016-2018 Free Software Foundation, Inc.
+   Copyright 2016-2022 Free Software Foundation, Inc.
 
-   This program is free software: you can redistribute it and/or
-   modify it under the terms of either:
+   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.
 
-     * the GNU Lesser General Public License as published by the Free
-       Software Foundation; either version 3 of the License, or (at your
-       option) any later version.
-
-   or
-
-     * the GNU General Public License as published by the Free
-       Software Foundation; either version 2 of the License, or (at your
-       option) any later version.
-
-   or both in parallel, as here.
-   This program is distributed in the hope that it will be useful,
+   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/>.  */
-
-#ifndef _@GUARD_PREFIX@_LIMITS_H
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 #if __GNUC__ >= 3
 @PRAGMA_SYSTEM_HEADER@
 #endif
 @PRAGMA_COLUMNS@
 
-/* The include_next requires a split double-inclusion guard.  */
+#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
 
-/* For HP-UX 11.31.  */
-#if defined LONG_LONG_MIN && !defined LLONG_MIN
-# define LLONG_MIN LONG_LONG_MIN
+#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
-#if defined LONG_LONG_MAX && !defined LLONG_MAX
-# define LLONG_MAX LONG_LONG_MAX
+#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
-#if defined ULONG_LONG_MAX && !defined ULLONG_MAX
-# define ULLONG_MAX ULONG_LONG_MAX
+#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
@@ -62,10 +86,24 @@
 #define _GL_COB8(n) (_GL_COB4 ((n) >> 4) + _GL_COB4 (n))
 #define _GL_COB4(n) (!!((n) & 8) + !!((n) & 4) + !!((n) & 2) + !!((n) & 1))
 
-/* Macros specified by ISO/IEC TS 18661-1:2014.  */
+#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
+
+/* Macros specified by C2x and by ISO/IEC TS 18661-1:2014.  */
 
 #if (! defined ULLONG_WIDTH                                             \
-     && (defined _GNU_SOURCE || defined __STDC_WANT_IEC_60559_BFP_EXT__))
+     && (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)
@@ -77,7 +115,17 @@
 # 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 /* !ULLONG_WIDTH && (_GNU_SOURCE || __STDC_WANT_IEC_60559_BFP_EXT__) */
+#endif
+
+/* Macros specified by C2x.  */
+
+#if (! defined BOOL_WIDTH \
+     && (defined _GNU_SOURCE \
+         || (defined __STDC_VERSION__ && 201710 < __STDC_VERSION__)))
+# define BOOL_MAX 1
+# define BOOL_WIDTH 1
+#endif
 
 #endif /* _@GUARD_PREFIX@_LIMITS_H */
 #endif /* _@GUARD_PREFIX@_LIMITS_H */
+#endif