diff -r d25825f37967 -r 740cfd9dd443 src/server/daemon/log.c
--- a/src/server/daemon/log.c	Fri Jun 28 14:52:35 2013 +0200
+++ b/src/server/daemon/log.c	Sun Jun 30 15:11:48 2013 +0200
@@ -205,7 +205,15 @@
  * log api functions
  */
 
-int log_ereport(int degree, const char *format, ...) { 
+int log_ereport(int degree, const char *format, ...) {
+    va_list args;
+    va_start(args, format);
+    int ret = log_ereport_v(degree, format, args);
+    va_end(args);
+    return ret;
+}
+
+int log_ereport_v(int degree, const char *format, va_list args) { 
     if(degree > 6) {
         return 0;
     }
@@ -215,14 +223,12 @@
     
     sstr_t lmsg;
     lmsg.ptr = NULL;
-    va_list ap;
-    va_start(ap, format);
     
     /* create log message prefix */
     sstr_t lpre = log_get_prefix(degree); 
     
     /* format message */
-    int len = vasprintf(&lmsg.ptr, format, ap);
+    int len = vasprintf(&lmsg.ptr, format, args);
     lmsg.length = len;
     
     /* create message string */
@@ -243,6 +249,23 @@
     return 0;
 }
 
+int log_error(int degree, const char *func, Session *sn, Request *rq,
+                       const char *format, ...)
+{
+    va_list args;
+    va_start(args, format);
+    int ret = log_error_v(degree, func, sn, rq, format, args);
+    va_end(args);
+    return ret;
+}
+
+int log_error_v(int degree, const char *func, Session *sn, Request *rq,
+                       const char *format, va_list args)
+{
+    // TODO: implement
+    return log_ereport(degree, format, args);
+}
+
 
 /*
  * access log