--- /dev/null
+/*
+Copyright (c) 2004, 2005 John Tsiombikas <nuclear@siggraph.org>
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2 of the License, or
+(at your option) any later version.
+
+This program 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 General Public License
+along with this program; if not, write to the Free Software
+Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+*/
+
+/* Error messages and logging
+ *
+ * Author: John Tsiombikas 2004
+ */
+
+#ifndef _ERR_MSG_H_
+#define _ERR_MSG_H_
+
+/* verbosity setting:
+ * 0 = do not output anything
+ * 1 = output only errors
+ * 2 = output errors and warnings
+ * 3 = output errors, warnings and informative messages
+ */
+
+#ifdef _MSC_VER
+#define __func__ __FUNCTION__
+#endif /* MSC_VER */
+
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+
+void set_verbosity(int value);
+void set_log_verbosity(int value);
+
+void set_log_filename(const char *fname);
+const char *get_log_filename(void);
+
+void error(const char *str, ...);
+void warning(const char *str, ...);
+void info(const char *str, ...);
+
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+
+#endif /* _ERR_MSG_H_ */