* add logging API and make all code make use of it

git-svn-id: file:///home/lennart/svn/public/avahi/trunk@112 941a03a8-eaeb-0310-b9a0-b1bbd8fe43fe

1 files changed, 88 insertions, 0 deletions

diff --git a/avahi-core/log.c b/avahi-core/log.c
new file mode 100644
index 0000000..09b87da
--- /dev/null
+++ b/avahi-core/log.c
@@ -0,0 +1,88 @@
+/* $Id$ */
+
+/***
+  This file is part of avahi.
+ 
+  avahi 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.
+ 
+  avahi 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 avahi; 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 "log.h"
+
+static AvahiLogFunction log_function = NULL;
+
+void avahi_set_log_function(AvahiLogFunction function) {
+    log_function = function;
+}
+
+void avahi_log_ap(AvahiLogLevel level, const gchar*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 avahi_log(AvahiLogLevel level, const gchar*format, ...) {
+    va_list ap;
+    va_start(ap, format);
+    avahi_log_ap(level, format, ap);
+    va_end(ap);
+}
+
+void avahi_log_error(const gchar*format, ...) {
+    va_list ap;
+    va_start(ap, format);
+    avahi_log_ap(AVAHI_LOG_ERROR, format, ap);
+    va_end(ap);
+}
+
+void avahi_log_warn(const gchar*format, ...) {
+    va_list ap;
+    va_start(ap, format);
+    avahi_log_ap(AVAHI_LOG_WARN, format, ap);
+    va_end(ap);
+}
+
+void avahi_log_notice(const gchar*format, ...) {
+    va_list ap;
+    va_start(ap, format);
+    avahi_log_ap(AVAHI_LOG_NOTICE, format, ap);
+    va_end(ap);
+}
+
+void avahi_log_info(const gchar*format, ...) {
+    va_list ap;
+    va_start(ap, format);
+    avahi_log_ap(AVAHI_LOG_INFO, format, ap);
+    va_end(ap);
+}
+
+void avahi_log_debug(const gchar*format, ...) {
+    va_list ap;
+    va_start(ap, format);
+    avahi_log_ap(AVAHI_LOG_DEBUG, format, ap);
+    va_end(ap);
+}