From: cristy <urban-warrior@git.imagemagick.org>
Date: Wed, 28 May 2014 14:22:43 +0000 (+0000)
Subject: (no commit message)
X-Git-Tag: 7.0.1-0~2257
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=5389e5ad63c880fe6885e3b24c76acbdbf63bd61;p=imagemagick

---

diff --git a/coders/png.c b/coders/png.c
index 43c62cbdc..70b159d72 100644
--- a/coders/png.c
+++ b/coders/png.c
@@ -12789,7 +12789,7 @@ static MagickBooleanType WriteOneJNGImage(MngInfo *mng_info,
           p=blob+8;
           for (i=8; i<(ssize_t) length; i+=len+12)
           {
-            len=(*p<<24)|((*(p+1))<<16)|((*(p+2))<<8)|(*(p+3));
+            len=(size_t) (*p<<24)|((*(p+1))<<16)|((*(p+2))<<8)|(*(p+3));
             p+=4;
 
             if (*(p)==73 && *(p+1)==68 && *(p+2)==65 && *(p+3)==84) /* IDAT */