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tar.h
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1/*
2 * Copyright 2020 NXP.
3 *
4 * Redistribution and use in source and binary forms, with or without modification,
5 * are permitted provided that the following conditions are met:
6 *
7 * Redistributions of source code must retain the above copyright notice, this
8 * list of conditions and the following disclaimer.
9 *
10 * Redistributions in binary form must reproduce the above copyright notice, this
11 * list of conditions and the following disclaimer in the documentation and/or
12 * other materials provided with the distribution.
13 *
14 * Neither the name of the NXP Semiconductor nor the names of its
15 * contributors may be used to endorse or promote products derived from this
16 * software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
19 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
22 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
23 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
24 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
25 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
26 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
27 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
28 * POSSIBILITY OF SUCH DAMAGE.
29 *
30 */
31
32#pragma once
33
34#include <cstdint>
35#include <map>
36#include <memory>
37#include <string>
38
39class FileBuffer;
40
41#define TAR_BLOCK_SIZE 512
42
43#pragma pack(1)
45{
46 uint8_t name[100];
47 uint8_t mode[8];
48 uint8_t owner_id[8];
49 uint8_t group_id[8];
50 uint8_t size[12];
51 uint8_t modi_time[12];
52 uint8_t checksum[8];
53 uint8_t type[1];
54 uint8_t linkname[100];
55 uint8_t ustar[6];
56 uint8_t version[2];
57 uint8_t uname[32];
58 uint8_t gname[32];
59 uint8_t major_num[8];
60 uint8_t minor_num[8];
61 uint8_t prefix[155];
62};
63#pragma pack()
64
66{
67public:
68 std::string filename;
69 uint64_t offset;
70 uint64_t size;
71};
72
73
74class Tar
75{
76 std::string m_tarfilename;
77
78public:
79 std::map<std::string, Tar_file_Info> m_filemap;
80 int Open(const std::string &filename);
81 bool check_file_exist(const std::string &filename);
82 int get_file_buff(const std::string &filename, std::shared_ptr<FileBuffer> p);
83};
Definition buffer.h:164
Definition tar.h:66
uint64_t offset
Definition tar.h:69
uint64_t size
Definition tar.h:70
std::string filename
Definition tar.h:68
Definition tar.h:75
std::string m_tarfilename
Definition tar.h:76
bool check_file_exist(const std::string &filename)
Definition tar.cpp:90
int get_file_buff(const std::string &filename, std::shared_ptr< FileBuffer > p)
Definition tar.cpp:106
int Open(const std::string &filename)
Definition tar.cpp:48
std::map< std::string, Tar_file_Info > m_filemap
Definition tar.h:79
Definition tar.h:45
uint8_t mode[8]
Definition tar.h:47
uint8_t group_id[8]
Definition tar.h:49
uint8_t minor_num[8]
Definition tar.h:60
uint8_t uname[32]
Definition tar.h:57
uint8_t gname[32]
Definition tar.h:58
uint8_t name[100]
Definition tar.h:46
uint8_t type[1]
Definition tar.h:53
uint8_t linkname[100]
Definition tar.h:54
uint8_t prefix[155]
Definition tar.h:61
uint8_t size[12]
Definition tar.h:50
uint8_t major_num[8]
Definition tar.h:59
uint8_t checksum[8]
Definition tar.h:52
uint8_t owner_id[8]
Definition tar.h:48
uint8_t version[2]
Definition tar.h:56
uint8_t ustar[6]
Definition tar.h:55
uint8_t modi_time[12]
Definition tar.h:51