func NewCompressor(level LzoAlgorithm) (*Compressor, error) {
z := new(Compressor)
z.level = level
switch z.level {
case Lzo1x_1:
z.compress = lzo1x_1_compress
z.wrkmem_len = int(C.lzo1x_1_mem_compress())
case Lzo1x_999:
z.compress = lzo1x_999_compress
z.wrkmem_len = int(C.lzo1x_999_mem_compress())
}
return z, nil
}
func lzoCompressSpeed(src []byte, dst []byte, dst_size *int) C.int {
wrkmem := make([]byte, int(C.lzo1x_1_mem_compress()))
return C.lzo1x_1_compress((*C.uchar)(unsafe.Pointer(&src[0])), C.lzo_uint(len(src)),
(*C.uchar)(unsafe.Pointer(&dst[0])), (*C.lzo_uint)(unsafe.Pointer(dst_size)),
unsafe.Pointer(&wrkmem[0]))
}