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-rw-r--r--lib/sh/strchrnul.c35
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diff --git a/lib/sh/strchrnul.c b/lib/sh/strchrnul.c
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+++ b/lib/sh/strchrnul.c
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+/* Searching in a string.
+ Copyright (C) 2012 Free Software Foundation, Inc.
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU 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 General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
+
+#include <config.h>
+#include <stdio.h>
+
+/* Specification. */
+#include <string.h>
+
+/* Find the first occurrence of C in S or the final NUL byte. */
+char *
+strchrnul (s, c_in)
+ const char *s;
+ int c_in;
+{
+ char c;
+ register char *s1;
+
+ for (c = c_in, s1 = (char *)s; s1 && *s1 && *s1 != c; s1++)
+ ;
+ return (s1);
+}