Fix crash when loading image from VPX files

vbousquet · Nov 11, 2023 · e9307fd · e9307fd
1 parent b4ff9f7
commit e9307fd
Showing 1 changed file with 12 additions and 0 deletions.
diff --git a/FlexDMD/VPXFile.cs b/FlexDMD/VPXFile.cs
@@ -83,6 +83,7 @@ private byte[] ReadImage(CFStream stream, bool nameOnly)
             while (!done)
             {
                 var bytesInRecordRemaining = reader.ReadUInt32();
+                var fieldStart = reader.GetPos();
                 var tag = reader.ReadString(Encoding.ASCII, 4);
                 switch (tag)
                 {
@@ -143,6 +144,7 @@ private byte[] ReadImage(CFStream stream, bool nameOnly)
                         }
                         break;
                 }
+                reader.Seek(fieldStart + bytesInRecordRemaining);
             }
             return data;
         }
@@ -166,6 +168,16 @@ public void Skip(int count)
                 _pos += count;
             }
 
+            public long GetPos()
+            {
+                return _pos;
+            }
+
+            public void Seek(long newPos)
+            {
+                _pos = newPos;
+            }
+
             public int ReadInt32()
             {
                 _stream.Read(_buffer, _pos, 4);