From a1363761f4c8a2da83d2bf7ee621481f91865f96 Mon Sep 17 00:00:00 2001
From: dearblue <dearblue@users.noreply.github.com>
Date: Sat, 13 Jan 2018 23:37:42 +0900
Subject: [PATCH] =?UTF-8?q?LZ4::Decoder.read=20=E3=81=A7=E3=83=90=E3=83=83?=
 =?UTF-8?q?=E3=83=95=E3=82=A1=E9=A0=98=E5=9F=9F=E3=81=8C=E7=A2=BA=E4=BF=9D?=
 =?UTF-8?q?=E3=81=95=E3=82=8C=E3=81=A6=E3=81=84=E3=81=AA=E3=81=8B=E3=81=A3?=
 =?UTF-8?q?=E3=81=9F=E5=95=8F=E9=A1=8C=E3=82=92=E4=BF=AE=E6=AD=A3?=
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---
 ext/frameapi.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ext/frameapi.c b/ext/frameapi.c
index 769019c..757008e 100644
--- a/ext/frameapi.c
+++ b/ext/frameapi.c
@@ -503,7 +503,7 @@ fdec_read_args(int argc, VALUE argv[], size_t *size, VALUE *buf)
         *size = NUM2SIZET(argv[0]);
         *buf = argv[1];
         rb_check_type(*buf, RUBY_T_STRING);
-        rb_str_modify(*buf);
+        aux_str_reserve(*buf, *size);
         rb_str_set_len(*buf, 0);
         break;
     default: