woff2/brotli/dec/decode.h

// Copyright 2013 Google Inc. All Rights Reserved.
//
// 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.
//
// API for Brotli decompression

#ifndef BROTLI_DEC_DECODE_H_
#define BROTLI_DEC_DECODE_H_

#include "./streams.h"
#include "./types.h"

#if defined(__cplusplus) || defined(c_plusplus)
extern "C" {
#endif

// Sets *decoded_size to the decompressed size of the given encoded stream.
// Returns 1 on success, 0 on failure.
int BrotliDecompressedSize(size_t encoded_size,
                           const uint8_t* encoded_buffer,
                           size_t* decoded_size);

// Decompresses the data in encoded_buffer into decoded_buffer, and sets
// *decoded_size to the decompressed length.
// Returns 0 if there was either a bit stream error or memory allocation error,
// and 1 otherwise.
// If decoded size is zero, returns 1 and keeps decoded_buffer unchanged.
int BrotliDecompressBuffer(size_t encoded_size,
                           const uint8_t* encoded_buffer,
                           size_t* decoded_size,
                           uint8_t* decoded_buffer);

// Same as above, but uses the specified input and output callbacks instead of
// reading from and writing to pre-allocated memory buffers.
int BrotliDecompress(BrotliInput input, BrotliOutput output);

#if defined(__cplusplus) || defined(c_plusplus)
}    // extern "C"
#endif

#endif  // BROTLI_DEC_DECODE_H_