From: Tsuda Kageyu <tsuda.kageyu@gmail.com>
Date: Mon, 21 Dec 2015 05:29:59 +0000 (+0900)
Subject: Avoid the risk of subtracting between signed and unsigned types.
X-Git-Tag: v1.11beta~22
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=5a1f44d166ff74255dbce0665efe43337256e6e9;p=taglib

Avoid the risk of subtracting between signed and unsigned types.
---

diff --git a/taglib/mpeg/mpegfile.cpp b/taglib/mpeg/mpegfile.cpp
index 4fc3533f..67f0b273 100644
--- a/taglib/mpeg/mpegfile.cpp
+++ b/taglib/mpeg/mpegfile.cpp
@@ -218,10 +218,10 @@ bool MPEG::File::save(int tags, bool stripOthers, int id3v2Version, bool duplica
       insert(data, d->ID3v2Location, d->ID3v2OriginalSize);
 
       if(d->APELocation >= 0)
-        d->APELocation += (data.size() - d->ID3v2OriginalSize);
+        d->APELocation += (static_cast<long>(data.size()) - d->ID3v2OriginalSize);
 
       if(d->ID3v1Location >= 0)
-        d->ID3v1Location += (data.size() - d->ID3v2OriginalSize);
+        d->ID3v1Location += (static_cast<long>(data.size()) - d->ID3v2OriginalSize);
 
       d->ID3v2OriginalSize = data.size();
     }