metrics: Fix size error

Signed-off-by: Hiroshi Hatake <[email protected]>
fluent · Jun 18, 2024 · fe76dce · fe76dce
1 parent f6b4287
commit fe76dce
Showing 1 changed file with 3 additions and 3 deletions.
diff --git a/src/flb_metrics.c b/src/flb_metrics.c
@@ -89,8 +89,8 @@ struct flb_metrics *flb_metrics_create(const char *title)
     }
     metrics->count = 0;
 
-    title_len = snprintf(NULL, 0, "%s\n", title);
-    allocated_title = flb_calloc(title_len, sizeof(char));
+    title_len = snprintf(NULL, 0, "%s", title);
+    allocated_title = flb_calloc(title_len + 1, sizeof(char));
     if (allocated_title == NULL) {
         flb_free(metrics);
         return NULL;
@@ -114,7 +114,7 @@ struct flb_metrics *flb_metrics_create(const char *title)
 int flb_metrics_title(const char *title, struct flb_metrics *metrics)
 {
     int ret;
-    size_t size = sizeof(metrics->title);
+    size_t size = snprintf(NULL, 0, "%s", title);
 
     ret = snprintf(metrics->title, size, "%s", title);
     if (ret == -1) {