add utf8 validity checking API

git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@861 fefdeb5f-60dc-0310-8127-8f9354f1896f

src/polypcore/utf8.h

@@ -0,0 +1,27 @@
+#ifndef fooutf8hfoo
+#define fooutf8hfoo
+
+/* $Id$ */
+
+/***
+  This file is part of polypaudio.
+ 
+  polypaudio is free software; you can redistribute it and/or modify
+  it under the terms of the GNU Lesser General Public License as
+  published by the Free Software Foundation; either version 2.1 of the
+  License, or (at your option) any later version.
+ 
+  polypaudio 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
+  Lesser General Public License for more details.
+ 
+  You should have received a copy of the GNU Lesser General Public
+  License along with polypaudio; if not, write to the Free Software
+  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
+  USA.
+***/
+
+const char *pa_utf8_valid(const char *str);
+
+#endif