3 files changed, 21 insertions, 3 deletions
diff --git a/src/log.c b/src/log.c
index 6f3d6da..08382cd 100644
--- a/src/log.c
+++ b/src/log.c
@@ -185,6 +185,7 @@ void log_targets_clear(log_targets_t* targets)
 
 void log_init()
 {
+  stdlog.max_prio_ = 0;
   stdlog.targets_.first_ = NULL;
 }
 
@@ -193,18 +194,33 @@ void log_close()
   log_targets_clear(&stdlog.targets_);
 }
 
+void update_max_prio()
+{
+  log_target_t* tmp = stdlog.targets_.first_;
+  while(tmp) {
+    if(tmp->enabled_ && tmp->max_prio_ > stdlog.max_prio_)
+      stdlog.max_prio_ = tmp->max_prio_;
+
+    tmp = tmp->next_;
+  }
+}
+
 int log_add_target(const char* conf)
 {
   if(!conf)
     return -1;
 
-  return log_targets_add(&stdlog.targets_, conf);
+  int ret = log_targets_add(&stdlog.targets_, conf);
+  if(!ret) update_max_prio();
+  return ret;
 }
 
 void log_printf(log_prio_t prio, const char* fmt, ...)
 {
-  static char msg[MSG_LENGTH_MAX];
+  if(stdlog.max_prio_ < prio)
+    return;
 
+  static char msg[MSG_LENGTH_MAX];
   va_list args;
 
   va_start(args, fmt);
diff --git a/src/log.h b/src/log.h
index 0be0566..70f4316 100644
--- a/src/log.h
+++ b/src/log.h
@@ -74,12 +74,14 @@ void log_targets_clear(log_targets_t* targets);
 
 
 struct log_struct {
+  log_prio_t max_prio_;
   log_targets_t targets_;
 };
 typedef struct log_struct log_t;
 
 void log_init();
 void log_close();
+void update_max_prio();
 int log_add_target(const char* conf);
 void log_printf(log_prio_t prio, const char* fmt, ...);
 
diff --git a/src/log_targets.h b/src/log_targets.h
index 5ee23d4..0ea8e83 100644
--- a/src/log_targets.h
+++ b/src/log_targets.h
@@ -232,7 +232,7 @@ void log_target_file_open(log_target_t* self)
 
 void log_target_file_log(log_target_t* self, log_prio_t prio, const char* msg)
 {
-  if(!self || !self->param_)
+  if(!self || !self->param_ || !self->opened_)
     return;
 
   fprintf(((log_target_file_param_t*)(self->param_))->file_, "%s-%s\n", log_prio_to_string(prio), msg);