Commit 79497dd2 authored by Matthew Dawson's avatar Matthew Dawson
Browse files

Make sure the MCOS header for objects is present. 

To avoid future surprises, make sure that the MCOS header bytes for an object
are correct.
parent 051253a9

src/main/java/ca/mjdsystems/jmatio/io/MatFileReader.java

+6 −0
Original line number Diff line number Diff line
@@ -1091,6 +1091,12 @@ public class MatFileReader 
                        if ( !className.equals("FileWrapper__") ) {

                            MLUInt32 content = (MLUInt32) readMatrix(buf, false);

                            int[][] t = content.getArray();



                            // Check that the first four numbers are the same, as expected.

                            if (t[0][0] != 0xdd000000 || t[1][0] != 2 || t[2][0] != 1 || t[3][0] != 1) {

                                throw new IOException("MCOS per-object header was different then expected!  Got: " + content.contentToString());

                            }



                            mlArray = new MLObjectPlaceholder(arrName, className, t);

                            haveMCOS = true;

                        } else { // This is where we get the useful MCOS data.  Only used on FileWrapper__ classes.