add function log_try_init

2018-10-26 15:07:55 +08:00 · 2018-10-26 15:07:55 +08:00 · f64a00c0f2
parent 350f923710
commit f64a00c0f2
1 changed files with 13 additions and 0 deletions
--- a/src/logger.h
+++ b/src/logger.h
@ -115,6 +115,19 @@ extern LogContext g_log_context;
 */
 int log_init();

+/** init function using global log context
+ *  do nothing when already inited
+ *  return: 0 for success, != 0 fail
+*/
+static int log_try_init()
+{
+    if (g_log_context.log_buff != NULL)
+    {
+        return 0;
+    }
+    return log_init();
+}
+
 /** init function using global log context, take over stderr and stdout
 *  return: 0 for success, != 0 fail
 */