avoid freezes reading incomplete mp3 files

Nick Shaforostov · Nick Shaforostoff · commit b5cb20bda316 · 2020-10-25T14:44:55.000+01:00
diff --git a/taglib/mpeg/mpegfile.cpp b/taglib/mpeg/mpegfile.cpp
@@ -110,7 +110,7 @@ bool MPEG::File::isSupported(IOStream *stream)
 
   if(buffer.isEmpty())
 	  return false;
-  
+
   const long originalPosition = stream->tell();
   AdapterFile file(stream);
 
@@ -466,6 +466,9 @@ long MPEG::File::lastFrameOffset()
   else
     position = length();
 
+  if (position >= length()) //if the file is incomplete
+    position = length();
+
   return previousFrameOffset(position);
 }
 
