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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-15 19:39:01 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-15 19:39:01 +0000
commit0feb9db220a276a2f8f29621dc8f04072bbfdd22 (patch)
tree926d3ec04fbe095eb6465e66c25c10c46aebd62c /gl/lib/unicase/simple-mapping.h
parentReleasing progress-linux version 2.12.0-4~progress7.99u1. (diff)
downloadman-db-0feb9db220a276a2f8f29621dc8f04072bbfdd22.tar.xz
man-db-0feb9db220a276a2f8f29621dc8f04072bbfdd22.zip
Merging upstream version 2.12.1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r--gl/lib/unicase/simple-mapping.h39
1 files changed, 39 insertions, 0 deletions
diff --git a/gl/lib/unicase/simple-mapping.h b/gl/lib/unicase/simple-mapping.h
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+++ b/gl/lib/unicase/simple-mapping.h
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+/* Simple case mapping for Unicode characters.
+ Copyright (C) 2002, 2006, 2009-2024 Free Software Foundation, Inc.
+ Written by Bruno Haible <bruno@clisp.org>, 2009.
+
+ 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/>. */
+
+ucs4_t
+FUNC (ucs4_t uc)
+{
+ unsigned int index1 = uc >> mapping_header_0;
+ if (index1 < mapping_header_1)
+ {
+ int lookup1 = u_mapping.level1[index1];
+ if (lookup1 >= 0)
+ {
+ unsigned int index2 = (uc >> mapping_header_2) & mapping_header_3;
+ int lookup2 = u_mapping.level2[lookup1 + index2];
+ if (lookup2 >= 0)
+ {
+ unsigned int index3 = (uc & mapping_header_4);
+ int lookup3 = u_mapping.level3[lookup2 + index3];
+
+ return uc + lookup3;
+ }
+ }
+ }
+ return uc;
+}