From a44ca2e9bea87d266713613a15c3c7f0557518a2 Mon Sep 17 00:00:00 2001
From: "Yukihiro \"Matz\" Matsumoto" <matz@ruby.or.jp>
Date: Mon, 24 May 2021 11:49:16 +0900
Subject: fmt_fp.c: exponential may be bigger than `100`.

---
 src/fmt_fp.c | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'src')

diff --git a/src/fmt_fp.c b/src/fmt_fp.c
index ede94c721..cbf1db18f 100644
--- a/src/fmt_fp.c
+++ b/src/fmt_fp.c
@@ -356,6 +356,10 @@ mrb_format_float(mrb_float f, char *buf, size_t buf_size, char fmt, int prec, ch
   if (e_sign) {
     *s++ = e_char;
     *s++ = e_sign;
+    if (e >= 100) {
+      *s++ = '0' + (e / 100);
+      e %= 100;
+    }
     *s++ = '0' + (e / 10);
     *s++ = '0' + (e % 10);
   }
-- 
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