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-rw-r--r--lib/strncat.c33
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diff --git a/lib/strncat.c b/lib/strncat.c
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+/* Concatenate strings.
+ Copyright (C) 1999, 2002, 2006, 2010 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 <string.h>
+
+char *
+strncat (char *dest, const char *src, size_t n)
+{
+ char *destptr = dest + strlen (dest);
+
+ for (; n > 0 && (*destptr = *src) != '\0'; src++, destptr++, n--)
+ ;
+ if (n == 0)
+ *destptr = '\0';
+ return dest;
+}