diff options
-rw-r--r-- | test/birdtest.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/test/birdtest.c b/test/birdtest.c index 484205d2..9f7ab583 100644 --- a/test/birdtest.c +++ b/test/birdtest.c @@ -199,7 +199,8 @@ bt_log_result(int result, const char *fmt, va_list argptr) (fmt && strlen(fmt) > 0) ? ": " : ""); pos = msg_buf + strlen(msg_buf); - vsnprintf(pos, sizeof(msg_buf) - (pos - msg_buf), fmt, argptr); + if (fmt) + vsnprintf(pos, sizeof(msg_buf) - (pos - msg_buf), fmt, argptr); int chrs = 0; for (uint i = 0; i < strlen(msg_buf); i += get_num_terminal_cols()) |