1 files changed, 53 insertions, 0 deletions
diff --git a/lib/libc/string/wcswidth.c b/lib/libc/string/wcswidth.c
new file mode 100644
index 00000000000..c55d9ae72a4
--- /dev/null
+++ b/lib/libc/string/wcswidth.c
@@ -0,0 +1,53 @@
+/*	$OpenBSD: wcswidth.c,v 1.1 2005/04/13 16:35:58 espie Exp $	*/
+/*	$NetBSD: wcswidth.c,v 1.2 2001/01/03 14:29:37 lukem Exp $	*/
+
+/*-
+ * Copyright (c)1999 Citrus Project,
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	citrus Id: wcswidth.c,v 1.1 1999/12/29 21:47:45 tshiozak Exp
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+static char *rcsid = "$OpenBSD: wcswidth.c,v 1.1 2005/04/13 16:35:58 espie Exp $";
+#endif /* LIBC_SCCS and not lint */
+
+#include <wchar.h>
+
+int
+wcswidth(s, n)
+	const wchar_t *s;
+	size_t n;
+{
+	int w;
+
+	w = 0;
+	while (n && *s) {
+		w += wcwidth(*s);
+		s++;
+		n--;
+	}
+
+	return w;
+}