1 files changed, 61 insertions, 0 deletions

diff --git a/src/lib/libc/string/wcsspn.c b/src/lib/libc/string/wcsspn.c
new file mode 100644
index 0000000000..52b22e3d3b
--- /dev/null
+++ b/src/lib/libc/string/wcsspn.c
@@ -0,0 +1,61 @@
+/*      $OpenBSD: wcsspn.c,v 1.1 2005/04/13 16:35:58 espie Exp $        */
+/*      $NetBSD: wcsspn.c,v 1.3 2001/09/21 16:09:15 yamt Exp $  */
+
+/*-
+ * Copyright (c)1999,2001 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: xpg4dl/FreeBSD/lib/libc/string/wcsspn.c,v 1.3 2001/09/21 16:06:43 yamt Exp $
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+static char *rcsid = "$OpenBSD: wcsspn.c,v 1.1 2005/04/13 16:35:58 espie Exp $";
+#endif /* LIBC_SCCS and not lint */
+
+#include <wchar.h>
+
+size_t
+wcsspn(s, set)
+        const wchar_t *s;
+        const wchar_t *set;
+{
+        const wchar_t *p;
+        const wchar_t *q;
+
+        p = s;
+        while (*p) {
+                q = set;
+                while (*q) {
+                        if (*p == *q)
+                                break;
+                        q++;
+                }
+                if (!*q)
+                        goto done;
+                p++;
+        }
+
+done:
+        return (p - s);
+}