* split pa_cstrerror() into its own file polypcore/core-error.[ch]

* fix building of padsp
* remove a warning when compiling padsp.c


git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@972 fefdeb5f-60dc-0310-8127-8f9354f1896f

src/polypcore/core-error.h

@@ -0,0 +1,41 @@
+#ifndef foocoreerrorhfoo
+#define foocoreerrorhfoo
+
+/* $Id$ */
+
+/***
+  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 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
+  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.
+***/
+
+#include <inttypes.h>
+#include <polyp/cdecl.h>
+
+/** \file
+ * Error management */
+
+PA_C_DECL_BEGIN
+
+/** A wrapper around the standard strerror() function that converts the
+ * string to UTF-8. The function is thread safe but the returned string is
+ * only guaranteed to exist until the thread exits or pa_cstrerror() is
+ * called again from the same thread. */
+const char* pa_cstrerror(int errnum);
+
+PA_C_DECL_END
+
+#endif