From 311d867deb27591210321b9407a7095799f552f8 Mon Sep 17 00:00:00 2001
From: dearblue <dearblue@users.noreply.github.com>
Date: Sun, 8 Sep 2019 20:31:35 +0900
Subject: Fix `mrb_vformat()` crashes with `MRB_INT16`

If `MRB_INT16` is specified, the variable length argument `mrb_int` is
converted to `int`.
---
 src/error.c | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'src/error.c')

diff --git a/src/error.c b/src/error.c
index bb8a0ba98..2bb505d85 100644
--- a/src/error.c
+++ b/src/error.c
@@ -326,7 +326,11 @@ mrb_vformat(mrb_state *mrb, const char *format, va_list ap)
           len = 1;
           goto L_cat;
         case 'd': case 'i':
+#if MRB_INT_MAX < INT_MAX
+          i = (mrb_int)va_arg(ap, int);
+#else
           i = *p == 'd' ? (mrb_int)va_arg(ap, int) : va_arg(ap, mrb_int);
+#endif
           obj = mrb_fixnum_value(i);
           goto L_cat_obj;
 #ifndef MRB_WITHOUT_FLOAT
-- 
cgit v1.2.3