/usr/include/hphp/util/compression.h is in hhvm-dev 3.11.1+dfsg-1ubuntu1.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 | /*
+----------------------------------------------------------------------+
| HipHop for PHP |
+----------------------------------------------------------------------+
| Copyright (c) 2010-2015 Facebook, Inc. (http://www.facebook.com) |
+----------------------------------------------------------------------+
| This source file is subject to version 3.01 of the PHP license, |
| that is bundled with this package in the file LICENSE, and is |
| available through the world-wide-web at the following url: |
| http://www.php.net/license/3_01.txt |
| If you did not receive a copy of the PHP license and are unable to |
| obtain it through the world-wide-web, please send a note to |
| license@php.net so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
*/
#ifndef incl_HPHP_COMPRESSION_H_
#define incl_HPHP_COMPRESSION_H_
#include <zlib.h>
// encoding_mode
#define CODING_GZIP 1
#define CODING_DEFLATE 2
namespace HPHP {
///////////////////////////////////////////////////////////////////////////////
// inefficient way of testing whether a file can be compressed to smaller size
bool is_compressible_file(const char *filename);
char *gzencode(const char *data, int &len, int level, int encoding_mode);
char *gzdecode(const char *data, int &len);
///////////////////////////////////////////////////////////////////////////////
class StreamCompressor {
public:
StreamCompressor(int level, int encoding_mode, bool header);
~StreamCompressor();
/**
* Compress one chunk a time.
*/
char *compress(const char *data, int &len, bool trailer);
private:
int m_encoding;
bool m_header;
z_stream m_stream;
uLong m_crc;
bool m_ended;
};
///////////////////////////////////////////////////////////////////////////////
}
#endif // incl_HPHP_COMPRESSION_H_
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