src/proxy/hdrs/HuffmanCodec.cc

/** @file

  A brief file description

  @section license License

  Licensed to the Apache Software Foundation (ASF) under one
  or more contributor license agreements.  See the NOTICE file
  distributed with this work for additional information
  regarding copyright ownership.  The ASF licenses this file
  to you under the Apache License, Version 2.0 (the
  "License"); you may not use this file except in compliance
  with the License.  You may obtain a copy of the License at

      http://www.apache.org/licenses/LICENSE-2.0

  Unless required by applicable law or agreed to in writing, software
  distributed under the License is distributed on an "AS IS" BASIS,
  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  See the License for the specific language governing permissions and
  limitations under the License.
 */

#include "proxy/hdrs/HuffmanCodec.h"
#include "ls-hpack/lshpack.h"
#include <cstdint>

// Implementation taken from LiteSpeed:
// lshpack_dec_huff_decode_full
int64_t
huffman_decode(char *dst, uint32_t dst_len, const uint8_t *src, uint32_t src_len)
{
  return litespeed::lshpack_dec_huff_decode_full(src, src_len, dst, dst_len);
}

// Implementation taken from LiteSpeed:
// lshpack_enc_huff_encode
int64_t
huffman_encode(uint8_t *dst, uint32_t dst_len, const uint8_t *src, uint32_t src_len)
{
  const uint8_t *src_end = src + src_len;
  return litespeed::lshpack_enc_huff_encode(src, src_end, dst, dst_len);
}