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
|
// @file compress.cpp
/**
* Copyright (C) 2012 10gen Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, version 3,
* as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* As a special exception, the copyright holders give permission to link the
* code of portions of this program with the OpenSSL library under certain
* conditions as described in each individual source file and distribute
* linked combinations including the program with the OpenSSL library. You
* must comply with the GNU Affero General Public License in all respects
* for all of the code used other than as permitted herein. If you modify
* file(s) with this exception, you may extend this exception to your
* version of the file(s), but you are not obligated to do so. If you do not
* wish to do so, delete this exception statement from your version. If you
* delete this exception statement from all source files in the program,
* then also delete it in the license file.
*/
#include "mongo/util/compress.h"
#include "snappy.h"
namespace mongo {
void rawCompress(const char* input,
size_t input_length,
char* compressed,
size_t* compressed_length)
{
snappy::RawCompress(input, input_length, compressed, compressed_length);
}
size_t maxCompressedLength(size_t source_len) {
return snappy::MaxCompressedLength(source_len);
}
size_t compress(const char* input, size_t input_length, std::string* output) {
return snappy::Compress(input, input_length, output);
}
bool uncompress(const char* compressed, size_t compressed_length, std::string* uncompressed) {
return snappy::Uncompress(compressed, compressed_length, uncompressed);
}
}
|
