From cb92f9ce0bbc638a8042061cfb5577b0fc98fb52 Mon Sep 17 00:00:00 2001 From: "Yukihiro \"Matz\" Matsumoto" Date: Thu, 27 May 2021 21:44:55 +0900 Subject: backtrace.c: do not print trace line if there's no backtrace history --- src/backtrace.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) (limited to 'src') diff --git a/src/backtrace.c b/src/backtrace.c index 6e1fee1de..6d7e8b33b 100644 --- a/src/backtrace.c +++ b/src/backtrace.c @@ -102,7 +102,9 @@ print_backtrace(mrb_state *mrb, struct RObject *exc, mrb_value backtrace) FILE *stream = stderr; if (n != 0) { - fprintf(stream, "trace (most recent call last):\n"); + if (n > 1) { + fprintf(stream, "trace (most recent call last):\n"); + } for (i=n-1,loc=&RARRAY_PTR(backtrace)[i]; i>0; i--,loc--) { if (mrb_string_p(*loc)) { fprintf(stream, "\t[%d] %.*s\n", -- cgit v1.2.3