common.h: Make error string optional

The call `psslerror("")` prints a line with ":" only. Make the string optional so that NULL or "" won't output anything.
mariux64 · May 23, 2021 · 19e11ec · 19e11ec
1 parent 36d93d4
commit 19e11ec
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/common.h b/common.h
@@ -44,7 +44,8 @@ static void __attribute__((unused)) free_string(char **ptr) {
 }
 
 static void __attribute__((unused)) psslerror(char *str) {
-    COMMON_LOG(LOG_ERR, "%s:", str);
+    if (str != NULL && strcmp(str, "") != 0)
+        COMMON_LOG(LOG_ERR, "%s:", str);
     unsigned long ssl_err;
     while ((ssl_err = ERR_get_error())) {
         COMMON_LOG(LOG_ERR, "ssl error: %lud:%s:%s:%s",