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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-15 19:38:58 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-15 19:38:58 +0000
commit54a043ffd13f3d896b58c6a9f0a4a5bb2170b9ab (patch)
tree1d8aa5f85a9450353ec3fdaaa5100f60c2d6478e /gl/lib/iswxdigit.c
parentAdding debian version 2.12.0-4. (diff)
downloadman-db-54a043ffd13f3d896b58c6a9f0a4a5bb2170b9ab.tar.xz
man-db-54a043ffd13f3d896b58c6a9f0a4a5bb2170b9ab.zip
Merging upstream version 2.12.1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'gl/lib/iswxdigit.c')
-rw-r--r--gl/lib/iswxdigit.c33
1 files changed, 33 insertions, 0 deletions
diff --git a/gl/lib/iswxdigit.c b/gl/lib/iswxdigit.c
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+++ b/gl/lib/iswxdigit.c
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+/* Test wide character for being a hexadecimal digit.
+ Copyright (C) 2020-2024 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/>. */
+
+#include <config.h>
+
+/* Specification. */
+#include <wctype.h>
+
+int
+iswxdigit (wint_t wc)
+{
+ return ((wc >= '0' && wc <= '9')
+#if 'A' == 0x41 && 'a' == 0x61
+ /* Optimization, assuming ASCII */
+ || ((wc & ~0x20) >= 'A' && (wc & ~0x20) <= 'F')
+#else
+ || (wc >= 'A' && wc <= 'F') || (wc >= 'a' && wc <= 'f')
+#endif
+ );
+}