protected virtual bool HasMagic(Stream stream, byte[] magic, int offset)
{
if (stream.Length <= magic.Length)
{
return(false);
}
var buffer = new byte[magic.Length];
var pos = stream.Position;
stream.Position = offset;
stream.Read(buffer, 0, buffer.Length);
var result = ByteUtils.BuffersAreEqual(magic, buffer);
stream.Position = pos;
return(result);
}
