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33 lines
1.3 KiB
C++
33 lines
1.3 KiB
C++
// Copyright 2014 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 LICENSE file.
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#ifndef THIRD_PARTY_ZLIB_GOOGLE_COMPRESSION_UTILS_H_
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#define THIRD_PARTY_ZLIB_GOOGLE_COMPRESSION_UTILS_H_
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#include <string>
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#include "base/strings/string_piece.h"
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namespace compression {
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// Compresses the data in |input| using gzip, storing the result in |output|.
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// |input| and |output| are allowed to be the same string (in-place operation).
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bool GzipCompress(const std::string& input, std::string* output);
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// Uncompresses the data in |input| using gzip, storing the result in |output|.
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// |input| and |output| are allowed to be the same string (in-place operation).
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bool GzipUncompress(const std::string& input, std::string* output);
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// Like the above method, but uses base::StringPiece to avoid allocations if
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// needed. |output|'s size must be at least as large as the return value from
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// GetUncompressedSize.
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bool GzipUncompress(base::StringPiece input, base::StringPiece output);
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// Returns the uncompressed size from GZIP-compressed |compressed_data|.
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uint32_t GetUncompressedSize(base::StringPiece compressed_data);
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} // namespace compression
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#endif // THIRD_PARTY_ZLIB_GOOGLE_COMPRESSION_UTILS_H_
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