/// <summary>
/// Read data descriptor at the end of compressed data.
/// </summary>
/// <param name="zip64">if set to <c>true</c> [zip64].</param>
/// <param name="data">The data to fill in.</param>
/// <returns>Returns the number of bytes read in the descriptor.</returns>
public void ReadDataDescriptor(bool zip64, DescriptorData data)
{
int intValue = ReadLEInt();
// In theory this may not be a descriptor according to PKZIP appnote.
// In practise its always there.
if (intValue != ZipConstants.DataDescriptorSignature)
{
throw new ZipException("Data descriptor signature not found");
}
data.Crc = ReadLEInt();
if (zip64)
{
data.CompressedSize = ReadLELong();
data.Size = ReadLELong();
}
else
{
data.CompressedSize = ReadLEInt();
data.Size = ReadLEInt();
}
}
/// <summary>
/// Read data descriptor at the end of compressed data.
/// </summary>
/// <param name="zip64">if set to <c>true</c> [zip64].</param>
/// <param name="data">The data to fill in.</param>
/// <returns>Returns the number of bytes read in the descriptor.</returns>
public void ReadDataDescriptor(bool zip64, DescriptorData data)
{
int intValue = ReadLEInt();
// In theory this may not be a descriptor according to PKZIP appnote.
// In practise its always there.
if (intValue != ZipConstants.DataDescriptorSignature) {
throw new ZipException("Data descriptor signature not found");
}
data.Crc = ReadLEInt();
if (zip64) {
data.CompressedSize = ReadLELong();
data.Size = ReadLELong();
}
else {
data.CompressedSize = ReadLEInt();
data.Size = ReadLEInt();
}
}