mirror of https://github.com/nodejs/node.git
60 lines
1.7 KiB
C
60 lines
1.7 KiB
C
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/* compression_utils_portable.h
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*
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* Copyright 2019 The Chromium Authors. All rights reserved.
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* Use of this source code is governed by a BSD-style license that can be
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* found in the Chromium source repository LICENSE file.
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*/
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#ifndef THIRD_PARTY_ZLIB_GOOGLE_COMPRESSION_UTILS_PORTABLE_H_
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#define THIRD_PARTY_ZLIB_GOOGLE_COMPRESSION_UTILS_PORTABLE_H_
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#include <stdint.h>
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#if defined(USE_SYSTEM_ZLIB)
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#include <zlib.h>
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#else
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#include "third_party/zlib/zlib.h"
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#endif
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namespace zlib_internal {
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enum WrapperType {
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ZLIB,
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GZIP,
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ZRAW,
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};
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uLongf GzipExpectedCompressedSize(uLongf input_size);
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uint32_t GetGzipUncompressedSize(const Bytef* compressed_data, size_t length);
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int GzipCompressHelper(Bytef* dest,
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uLongf* dest_length,
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const Bytef* source,
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uLong source_length,
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void* (*malloc_fn)(size_t),
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void (*free_fn)(void*));
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int CompressHelper(WrapperType wrapper_type,
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Bytef* dest,
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uLongf* dest_length,
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const Bytef* source,
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uLong source_length,
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int compression_level,
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void* (*malloc_fn)(size_t),
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void (*free_fn)(void*));
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int GzipUncompressHelper(Bytef* dest,
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uLongf* dest_length,
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const Bytef* source,
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uLong source_length);
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int UncompressHelper(WrapperType wrapper_type,
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Bytef* dest,
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uLongf* dest_length,
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const Bytef* source,
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uLong source_length);
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} // namespace zlib_internal
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#endif // THIRD_PARTY_ZLIB_GOOGLE_COMPRESSION_UTILS_PORTABLE_H_
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