static public List <ZipGenericExtraField> GetExtraFields(BinaryReader reader)
{
//assumes that TrySkipBlock has already been called, so we don't have to validate twice
List <ZipGenericExtraField> result;
const Int32 OffsetToFilenameLength = 26; //from the point before the signature
reader.BaseStream.Seek(OffsetToFilenameLength, SeekOrigin.Current);
UInt16 filenameLength = reader.ReadUInt16();
UInt16 extraFieldLength = reader.ReadUInt16();
reader.BaseStream.Seek(filenameLength, SeekOrigin.Current);
using (Stream str = new SubReadStream(reader.BaseStream, reader.BaseStream.Position, extraFieldLength))
{
result = ZipGenericExtraField.ParseExtraField(str);
}
Zip64ExtraField.RemoveZip64Blocks(result);
return(result);
}
