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-rw-r--r--src/wchar/rawwmemchr.c42
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diff --git a/src/wchar/rawwmemchr.c b/src/wchar/rawwmemchr.c
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+/**
+ * slibc — Yet another C library
+ * Copyright © 2015 Mattias Andrée (maandree@member.fsf.org)
+ *
+ * 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 <wchar.h>
+
+
+# pragma GCC diagnostic ignored "-Wdiscarded-qualifiers"
+
+
+
+/**
+ * Find the first occurrence of a wide character in a
+ * memory segment. The memory segment must be known to
+ * contain the sought after character.
+ *
+ * This is a slibc extension added for completeness.
+ *
+ * @param segment The memory segment to search.
+ * @param c The sought after character.
+ * @return Pointer to the first occurrence of `c`.
+ */
+wchar_t* (rawwmemchr)(const wchar_t* segment, wchar_t c)
+{
+ for (;;)
+ if (*segment++ == c)
+ return segment - 1;
+}
+