Avoid potential integer overflow.

3 years ago · bf4f28b727
parent 175e609ad0
commit bf4f28b727
1 changed files with 1 additions and 1 deletions
--- a/src/quicktimevideo.cpp
+++ b/src/quicktimevideo.cpp
@ -803,7 +803,7 @@ void QuickTimeVideo::userDataDecoder(size_t size_external) {
    tv = find(userDataReferencetags, Exiv2::toString(buf.data()));
-    if (size == 0 || (size - 12) <= 0)
+    if (size <= 12)
      break;
    else if (equalsQTimeTag(buf, "DcMD") || equalsQTimeTag(buf, "NCDT"))