google/compression_utils_portable.h

/* compression_utils_portable.h
 *
 * Copyright 2019 The Chromium Authors. All rights reserved.
 * Use of this source code is governed by a BSD-style license that can be
 * found in the Chromium source repository LICENSE file.
 */
#ifndef THIRD_PARTY_ZLIB_GOOGLE_COMPRESSION_UTILS_PORTABLE_H_
#define THIRD_PARTY_ZLIB_GOOGLE_COMPRESSION_UTILS_PORTABLE_H_

#if defined(USE_SYSTEM_ZLIB)
#include <zlib.h>
#else
#include "third_party/zlib/zlib.h"
#endif

namespace zlib_internal {

uLongf GZipExpectedCompressedSize(uLongf input_size);

int GzipCompressHelper(Bytef* dest,
                       uLongf* dest_length,
                       const Bytef* source,
                       uLong source_length,
                       void* (*malloc_fn)(size_t),
                       void (*free_fn)(void*));

int GzipUncompressHelper(Bytef* dest,
                         uLongf* dest_length,
                         const Bytef* source,
                         uLong source_length);
}  // namespace zlib_internal

#endif  // THIRD_PARTY_ZLIB_GOOGLE_COMPRESSION_UTILS_PORTABLE_H_