From 00f5c92149a4e015bfb2dbdfbcd890aa2e65e801 Mon Sep 17 00:00:00 2001
From: dearblue <dearblue@users.osdn.me>
Date: Wed, 1 Jan 2020 14:53:59 +0900
Subject: Call `va_end()` before return

The behavior when returning from a function without `va_end()` is
undefined.
---
 src/class.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'src')

diff --git a/src/class.c b/src/class.c
index efe4b8a92..a7d9ebf37 100644
--- a/src/class.c
+++ b/src/class.c
@@ -897,7 +897,7 @@ mrb_get_args(mrb_state *mrb, const char *format, ...)
       }
       break;
     case '|':
-      if (opt_skip && i == argc) return argc;
+      if (opt_skip && i == argc) goto finish;
       opt = TRUE;
       break;
     case '?':
@@ -1004,6 +1004,8 @@ mrb_get_args(mrb_state *mrb, const char *format, ...)
   if (!c && argc > i) {
     mrb_raise(mrb, E_ARGUMENT_ERROR, "wrong number of arguments");
   }
+
+finish:
   va_end(ap);
   return i;
 }
-- 
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