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-rw-r--r--lib/unistr/u8-strncmp.c30
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diff --git a/lib/unistr/u8-strncmp.c b/lib/unistr/u8-strncmp.c
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+/* Compare UTF-8 strings.
+ Copyright (C) 2002, 2006 Free Software Foundation, Inc.
+ Written by Bruno Haible <bruno@clisp.org>, 2002.
+
+ This program 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 3 of the License, or
+ (at your option) any later version.
+
+ This program 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 <http://www.gnu.org/licenses/>. */
+
+#include <config.h>
+
+/* Specification. */
+#include "unistr.h"
+
+#include <string.h>
+
+int
+u8_strncmp (const uint8_t *s1, const uint8_t *s2, size_t n)
+{
+ /* Use the fact that the UTF-8 encoding preserves lexicographic order. */
+ return strncmp ((const char *) s1, (const char *) s2, n);
+}