1 files changed, 45 insertions, 0 deletions
diff --git a/wcsmbs/wcsspn.c b/wcsmbs/wcsspn.c
new file mode 100644
index 0000000000..81a557c7b7
--- /dev/null
+++ b/wcsmbs/wcsspn.c
@@ -0,0 +1,45 @@
+/* Copyright (C) 1995 Free Software Foundation, Inc.
+This file is part of the GNU C Library.
+
+The GNU C Library is free software; you can redistribute it and/or
+modify it under the terms of the GNU Library General Public License as
+published by the Free Software Foundation; either version 2 of the
+License, or (at your option) any later version.
+
+The GNU C Library 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
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with the GNU C Library; see the file COPYING.LIB.	 If
+not, write to the Free Software Foundation, Inc., 675 Mass Ave,
+Cambridge, MA 02139, USA.  */
+
+#include <wcstr.h>
+
+
+/* Return the length of the maximum initial segment
+   of WCS which contains only wide-characters in ACCEPT.  */
+size_t
+wcsspn (wcs, accept)
+    const wchar_t *wcs;
+    const wchar_t *accept;
+{
+  register const wchar_t *p;
+  register const wchar_t *a;
+  register size_t count = 0;
+
+  for (p = wcs; *p != L'\0'; ++p)
+    {
+      for (a = accept; *a != L'\0'; ++a)
+	if (*p == *a)
+	  break;
+      if (*a == L'\0')
+	return count;
+      else
+	++count;
+    }
+
+  return count;
+}