--- /dev/null
+/***
+ This file is part of catta.
+
+ catta 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.
+
+ catta 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 catta; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
+ USA.
+***/
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <stdio.h>
+#include <stdarg.h>
+
+#include <catta/log.h>
+
+static CattaLogFunction log_function = NULL;
+
+void catta_set_log_function(CattaLogFunction function) {
+ log_function = function;
+}
+
+void catta_log_ap(CattaLogLevel level, const char*format, va_list ap) {
+ char txt[256];
+
+ vsnprintf(txt, sizeof(txt), format, ap);
+
+ if (log_function)
+ log_function(level, txt);
+ else
+ fprintf(stderr, "%s\n", txt);
+}
+
+void catta_log(CattaLogLevel level, const char*format, ...) {
+ va_list ap;
+ va_start(ap, format);
+ catta_log_ap(level, format, ap);
+ va_end(ap);
+}
+
+void catta_log_error(const char*format, ...) {
+ va_list ap;
+ va_start(ap, format);
+ catta_log_ap(CATTA_LOG_ERROR, format, ap);
+ va_end(ap);
+}
+
+void catta_log_warn(const char*format, ...) {
+ va_list ap;
+ va_start(ap, format);
+ catta_log_ap(CATTA_LOG_WARN, format, ap);
+ va_end(ap);
+}
+
+void catta_log_notice(const char*format, ...) {
+ va_list ap;
+ va_start(ap, format);
+ catta_log_ap(CATTA_LOG_NOTICE, format, ap);
+ va_end(ap);
+}
+
+void catta_log_info(const char*format, ...) {
+ va_list ap;
+ va_start(ap, format);
+ catta_log_ap(CATTA_LOG_INFO, format, ap);
+ va_end(ap);
+}
+
+void catta_log_debug(const char*format, ...) {
+ va_list ap;
+ va_start(ap, format);
+ catta_log_ap(CATTA_LOG_DEBUG, format, ap);
+ va_end(ap);
+}