Fix bugs in [v]snprintf usage

[fio.git] / stat.c

diff --git a/stat.c b/stat.c
index 7e2feea25bc907ee41bf776bd4053ebfa01112bc..62eee9ab8736714d5518520c6995d3910c9169cb 100644 (file)
--- a/stat.c
+++ b/stat.c
@@ -753,7 +753,7 @@ static void add_ddir_status_json(struct thread_stat *ts,
                        json_object_add_value_int(percentile_object, "0.00", 0);
                        continue;
                }
-               snprintf(buf, sizeof(buf) - 1, "%2.2f", ts->percentile_list[i].u.f);
+               snprintf(buf, sizeof(buf), "%2.2f", ts->percentile_list[i].u.f);
                json_object_add_value_int(percentile_object, (const char *)buf, ovals[i]);
        }
 
@@ -959,9 +959,9 @@ static struct json_object *show_thread_status_json(struct thread_stat *ts,
        for (i = 0; i < 7; i++) {
                char name[20];
                if (i < 6)
-                       snprintf(name, 19, "%d", 1 << i);
+                       snprintf(name, 20, "%d", 1 << i);
                else
-                       snprintf(name, 19, ">=%d", 1 << i);
+                       snprintf(name, 20, ">=%d", 1 << i);
                json_object_add_value_float(tmp, (const char *)name, io_u_dist[i]);
        }