Check that cluster_name is not empty

CyberDem0n · May 28, 2018 · 78f34be · 78f34be
1 parent 4aadac3
commit 78f34be
Showing 1 changed file with 4 additions and 2 deletions.
diff --git a/postgres_stats.c b/postgres_stats.c
@@ -752,8 +752,10 @@ void postgres_stats_init(void)
 	cmdline_prefix = palloc(cmdline_prefix_len + 1);
 	strcpy(cmdline_prefix, "postgres: ");
 #if PG_VERSION_NUM >= 90500
-	strcpy(cmdline_prefix + 10, cluster_name);
-	strcpy(cmdline_prefix + cmdline_prefix_len - 2, ": ");
+	if (*cluster_name != '\0') {
+		strcpy(cmdline_prefix + 10, cluster_name);
+		strcpy(cmdline_prefix + cmdline_prefix_len - 2, ": ");
+	}
 #endif
 
 	sprintf(postmaster_pid, " %d ", PostmasterPid);