From 05e4733b0075191587c38810f5e85d46f6ebaebb Mon Sep 17 00:00:00 2001
From: Kazuki Yamaguchi <k@rhe.jp>
Date: Wed, 14 Sep 2016 03:38:14 +0900
Subject: string.c: add missing size_t cast

Add size_t cast to avoid signed integer overflow. r56157 ("string.c:
avoid signed integer overflow", 2016-09-13) missed this.
---
 string.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'string.c')

diff --git a/string.c b/string.c
index 04737f0713..f9a93fd9c7 100644
--- a/string.c
+++ b/string.c
@@ -130,7 +130,7 @@ VALUE rb_cSymbol;
 #define RESIZE_CAPA_TERM(str,capacity,termlen) do {\
     if (STR_EMBED_P(str)) {\
 	if (!STR_EMBEDDABLE_P(capacity, termlen)) {\
-	    char *const tmp = ALLOC_N(char, (capacity)+termlen);\
+	    char *const tmp = ALLOC_N(char, (size_t)(capacity) + (termlen));\
 	    const long tlen = RSTRING_LEN(str);\
 	    memcpy(tmp, RSTRING_PTR(str), tlen);\
 	    RSTRING(str)->as.heap.ptr = tmp;\
-- 
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