From 24602147809f793d9e4086bd2f2e732a35264fb8 Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Thu, 24 Mar 2016 15:12:56 +0000
Subject: strftime.c: set buffer length

* strftime.c (FMTV): set the buffer length before appending to
  keep just put part.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@54252 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 strftime.c | 1 +
 1 file changed, 1 insertion(+)

(limited to 'strftime.c')

diff --git a/strftime.c b/strftime.c
index 42761f0d7c..81e56d1f7b 100644
--- a/strftime.c
+++ b/strftime.c
@@ -326,6 +326,7 @@ rb_strftime_with_timespec(VALUE ftime, const char *format, size_t format_len,
 				const char *fmts = FMT_PADDING(fmt, def_pad); \
 				precision = FMT_PRECISION(def_prec); \
 				tmp = format_value(fmts, tmp, precision); \
+				rb_str_set_len(ftime, s-start); \
 				rb_str_append(ftime, tmp); \
 				RSTRING_GETMEM(ftime, s, len); \
 				endp = (start = s) + rb_str_capacity(ftime); \
-- 
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