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-rw-r--r--lib/unitypes.in.h44
1 files changed, 25 insertions, 19 deletions
diff --git a/lib/unitypes.in.h b/lib/unitypes.in.h
index 63a58e27..846a6885 100644
--- a/lib/unitypes.in.h
+++ b/lib/unitypes.in.h
@@ -1,24 +1,15 @@
/* Elementary types and macros for the GNU UniString library.
- Copyright (C) 2002, 2005-2006, 2009-2018 Free Software Foundation, Inc.
+ Copyright (C) 2002, 2005-2006, 2009-2022 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.
+ 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/>. */
@@ -35,7 +26,7 @@ typedef uint32_t ucs4_t;
/* Attribute of a function whose result depends only on the arguments
(not pointers!) and which has no side effects. */
#ifndef _UC_ATTRIBUTE_CONST
-# if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 95)
+# if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 95) || defined __clang__
# define _UC_ATTRIBUTE_CONST __attribute__ ((__const__))
# else
# define _UC_ATTRIBUTE_CONST
@@ -45,11 +36,26 @@ typedef uint32_t ucs4_t;
/* Attribute of a function whose result depends only on the arguments
(possibly pointers) and global memory, and which has no side effects. */
#ifndef _UC_ATTRIBUTE_PURE
-# if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 96)
+# if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 96) || defined __clang__
# define _UC_ATTRIBUTE_PURE __attribute__ ((__pure__))
# else
# define _UC_ATTRIBUTE_PURE
# endif
#endif
+/* Qualifier in a function declaration, that asserts that the caller must
+ pass a pointer to a different object in the specified pointer argument
+ than in the other pointer arguments. */
+#ifndef _UC_RESTRICT
+# if defined __restrict \
+ || 2 < __GNUC__ + (95 <= __GNUC_MINOR__) \
+ || __clang_major__ >= 3
+# define _UC_RESTRICT __restrict
+# elif 199901L <= __STDC_VERSION__ || defined restrict
+# define _UC_RESTRICT restrict
+# else
+# define _UC_RESTRICT
+# endif
+#endif
+
#endif /* _UNITYPES_H */