From 0e04c46261eb9d5193f21d423f5d00f1910a460a Mon Sep 17 00:00:00 2001
From: KOBAYASHI Shuji <shuujii@gmail.com>
Date: Sun, 13 Jan 2019 23:24:57 +0900
Subject: Use 2 digits exponent format for `printf` family on old MSVC

For conforming C standard.
---
 src/state.c | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'src/state.c')

diff --git a/src/state.c b/src/state.c
index 5583a77e5..e678b37f3 100644
--- a/src/state.c
+++ b/src/state.c
@@ -41,6 +41,10 @@ mrb_open_core(mrb_allocf f, void *ud)
 
   mrb_init_core(mrb);
 
+#if !defined(MRB_DISABLE_STDIO) && defined(_MSC_VER) && _MSC_VER < 1900
+  _set_output_format(_TWO_DIGIT_EXPONENT);
+#endif
+
   return mrb;
 }
 
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