public String computeDataSizeAndType(RandomAccessFile fin) throws IOException {
SinAddr a = map.get(0);
byte[] res = new byte[(int) a.getDataLength()];
fin.seek(getDataHeaderSize() + map.getSize() + a.getSrcOffset());
fin.read(res);
byte[] magic = new byte[4];
int pos = 0;
while (res[pos] == 0) pos++;
int startpos = pos;
pos = 0;
System.arraycopy(res, startpos + pos, magic, 0, magic.length);
if (new String(magic).contains("ELF")) return "elf";
while (!HexDump.toHex(magic).startsWith("[FF, FF, 53, EF")) {
pos++;
try {
System.arraycopy(res, startpos + pos, magic, 0, magic.length);
} catch (Exception e) {
return "unknown";
}
if (new String(magic).contains("ELF")) return "elf";
}
// if (pos>=500) return "unknown";
pos = pos - 54;
byte[] header = new byte[58];
System.arraycopy(res, startpos + pos, header, 0, header.length);
byte[] bcount = new byte[4];
System.arraycopy(header, 4, bcount, 0, bcount.length);
BytesUtil.revert(bcount);
long blockcount = BytesUtil.getInt(bcount);
outputsize = blockcount * 4L * 1024L;
return "ext4";
}
public SinHashBlock(byte[] hashblock, int index) {
this.spare = spare;
byte[] offset = new byte[4];
byte[] length = new byte[4];
System.arraycopy(hashblock, 0, offset, 0, 4);
System.arraycopy(hashblock, 4, length, 0, 4);
boffset = BytesUtil.getLong(offset);
blength = BytesUtil.getInt(length);
hashsize = hashblock[8];
blockindex = index;
}
private void processHeader(InputStream fileinputstream) throws X10FlashException {
try {
byte abyte0[] = new byte[6];
int j = fileinputstream.read(abyte0);
if (j != 6) {
fileinputstream.close();
throw new X10FlashException("Error in processHeader");
}
int k;
byte abyte1[] = new byte[4];
System.arraycopy(abyte0, 2, abyte1, 0, 4);
k = BytesUtil.getInt(abyte1);
abyte1 = new byte[k - 6];
k = fileinputstream.read(abyte1);
if (k != abyte1.length) {
fileinputstream.close();
throw new X10FlashException("Error in processHeader");
}
cmd.send(Command.CMD05, BytesUtil.concatAll(abyte0, abyte1), false);
if (USBFlash.getLastFlags() == 0) getLastError();
} catch (IOException ioe) {
throw new X10FlashException("Error in processHeader : " + ioe.getMessage());
}
}
public int getGptpLength() {
return BytesUtil.getInt(gptplength);
}
public int getMmcfLength() {
return BytesUtil.getInt(mmcflength);
}