From ee35a4dad30eaf74064d5c38bfdfb3550998bb8f Mon Sep 17 00:00:00 2001
From: Nobuyoshi Nakada <nobu@ruby-lang.org>
Date: Wed, 3 Jun 2020 12:42:47 +0900
Subject: Append subsec part instead of creating new string

---
 time.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'time.c')

diff --git a/time.c b/time.c
index da8feb7bf3..ddd011ed79 100644
--- a/time.c
+++ b/time.c
@@ -4145,7 +4145,7 @@ time_inspect(VALUE time)
     }
     else if (FIXNUM_P(subsec) && FIX2LONG(subsec) < TIME_SCALE) {
         long len;
-        str = rb_enc_sprintf(rb_usascii_encoding(), "%"PRIsVALUE".%09ld", str, FIX2LONG(subsec));
+        rb_str_catf(str, ".%09ld", FIX2LONG(subsec));
         for (len=RSTRING_LEN(str); RSTRING_PTR(str)[len-1] == '0' && len > 0; len--)
             ;
         rb_str_resize(str, len);
-- 
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