text: /*
   *
   * Copyright 2015 gRPC authors.
   *
   * Licensed 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.
   *
   */
  
  #ifndef GRPC_CORE_LIB_COMPRESSION_MESSAGE_COMPRESS_H
  #define GRPC_CORE_LIB_COMPRESSION_MESSAGE_COMPRESS_H
  
  #include <grpc/support/port_platform.h>
  
  #include <grpc/slice_buffer.h>
  
  #include "src/core/lib/compression/compression_internal.h"
  
  /* compress 'input' to 'output' using 'algorithm'.
     On success, appends compressed slices to output and returns 1.
     On failure, appends uncompressed slices to output and returns 0. */
  int grpc_msg_compress(grpc_message_compression_algorithm algorithm,
                        grpc_slice_buffer* input, grpc_slice_buffer* output);
  
  /* decompress 'input' to 'output' using 'algorithm'.
     On success, appends slices to output and returns 1.
     On failure, output is unchanged, and returns 0. */
  int grpc_msg_decompress(grpc_message_compression_algorithm algorithm,
                          grpc_slice_buffer* input, grpc_slice_buffer* output);
  
  #endif /* GRPC_CORE_LIB_COMPRESSION_MESSAGE_COMPRESS_H */
  