Avoid to crash when "mruby -e p"

0803a2e2 · mattn · ee30c5a4 · 0803a2e2
Commit 0803a2e2 authored Apr 27, 2012 by mattn
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Showing with 2 additions and 2 deletions

src/print.c src/print.c +2 -2

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--- a/src/print.c
+++ b/src/print.c
@@ -42,14 +42,14 @@ static mrb_value
 p_m(mrb_state *mrb, mrb_value self)
 {
  int argc, i;
-  mrb_value *argv;
+  mrb_value *argv = NULL;
  mrb_get_args(mrb, "*", &argv, &argc);
  for (i=0; i<argc; i++) {
    mrb_p(mrb, argv[i]);
  }
-  return argv[0];
+  return argv ? argv[0] : mrb_nil_value();
 }
 mrb_value