blob: bb3ed1c5674ee5e893a46a476a9dd2d5f9c9cfb9 (
plain)
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
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
|
/**
* Navit, a modular navigation system.
* Copyright (C) 2005-2008 Navit Team
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public License
* version 2 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 Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this program; if not, write to the
* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef __ZIPFILE_H__
#define __ZIPFILE_H__
#ifdef HAVE_PRAGMA_PACK
#pragma pack(push)
#pragma pack(1)
#endif
#ifdef __GNUC__
#define ATTRIBUTE_PACKED __attribute__ ((packed))
#else
#define ATTRIBUTE_PACKED
#endif
#define zip_split_sig 0x08074b50
#define zip_split_sig_rev 0x504b0708
struct zip_split {
int zipsplitsig;
};
#define zip_lfh_sig 0x04034b50
#define zip_lfh_sig_rev 0x504b0304
//! ZIP local file header structure.
//! See the documentation of the ZIP format for the meaning
//! of these fields.
struct zip_lfh {
int ziplocsig; //!< local file header signature
short zipver; //!< minimum zip spec version needed to extract
short zipgenfld; //!< general purpose flags
short zipmthd; //!< compression method
short ziptime; //!< file modification time
short zipdate; //!< file modification date
int zipcrc; //!< CRC-32 checksum
unsigned int zipsize; //!< file size (after compression)
unsigned int zipuncmp; //!< file size (uncompressed)
unsigned short zipfnln; //!< file name length
unsigned short zipxtraln; //!< extra filed length (unused?)
char zipname[0]; //!< file name (length as given above)
} ATTRIBUTE_PACKED;
#define zip_cd_sig 0x02014b50
#define zip_cd_sig_rev 0x504b0102
//! ZIP central directory structure.
//! See the documentation of the ZIP format for the meaning
//! of these fields.
struct zip_cd {
int zipcensig; //!< central directory signature
char zipcver; //!< zip spec version of creating software
char zipcos; //!< os compatibility of the file attribute information
char zipcvxt; //!< minimum zip spec version needed to extract
char zipcexos; //!< unused (?)
short zipcflg; //!< general purpose flag
short zipcmthd; //!< compression method
short ziptim; //!< file modification time
short zipdat; //!< file modification date
int zipccrc; //!< CRC-32 checksum
unsigned int zipcsiz; //!< file size (after compression)
unsigned int zipcunc; //!< file size (uncompressed)
unsigned short zipcfnl; //!< file name length
unsigned short zipcxtl; //!< extra field length
unsigned short zipccml; //!< comment length
unsigned short zipdsk; //!< disk number of file
unsigned short zipint; //!< internal attributes
unsigned int zipext; //!< external attributes
unsigned int zipofst; //!< offset to start of local file header
char zipcfn[0]; //!< file name (length as given above)
} ATTRIBUTE_PACKED;
/**
* @brief Placeholder value for size field in the central directory if
* the size is 64bit. See the documentation for the Zip64 Extended
* Information Extra Field.
*/
#define zip_size_64bit_placeholder 0xffffffff
/**
* @brief Header ID for extra field "ZIP64".
*/
#define zip_extra_header_id_zip64 0x0001
//! ZIP extra field structure.
//! See the documentation of the ZIP format for the meaning
//! of these fields.
struct zip_cd_ext {
short tag; //!< extra field header ID
short size; //!< extra field data size
unsigned long long zipofst; //!< offset to start of local file header (only valid if the struct is for a ZIP64 extra field)
} ATTRIBUTE_PACKED;
struct zip_enc {
short efield_header;
short efield_size;
short version;
char vendor_id1,vendor_id2;
char encryption_strength;
short compress_method;
} ATTRIBUTE_PACKED;
#define zip_eoc_sig 0x6054b50
#define zip_eoc_sig_rev 0x504b0506
//! ZIP end of central directory structure.
//! See the documentation of the ZIP format for the meaning
//! of these fields.
struct zip_eoc {
int zipesig; /* end of central dir signature */
unsigned short zipedsk; /* number of this disk */
unsigned short zipecen; /* number of the disk with the start of the central directory */
unsigned short zipenum; /* total number of entries in the central directory on this disk */
unsigned short zipecenn; /* total number of entries in the central directory */
unsigned int zipecsz; /* size of the central directory */
unsigned int zipeofst; /* offset of start of central directory with respect to the starting disk number */
short zipecoml; /* .ZIP file comment length */
char zipecom[0]; /* .ZIP file comment */
} ATTRIBUTE_PACKED;
#define zip64_eoc_sig 0x6064b50
#define zip64_eoc_sig_rev 0x504b0606
struct zip64_eoc {
int zip64esig; /* zip64 end of central dir signature */
unsigned long long zip64esize; /* size of zip64 end of central directory record */
unsigned short zip64ever; /* version made by */
unsigned short zip64eneed; /* version needed to extract */
unsigned int zip64edsk; /* number of this disk */
unsigned int zip64ecen; /* number of the disk with the start of the central directory */
unsigned long long zip64enum; /* total number of entries in the central directory on this disk */
unsigned long long zip64ecenn; /* total number of entries in the central directory */
unsigned long long zip64ecsz; /* size of the central directory */
unsigned long long zip64eofst; /* offset of start of central directory with respect to the starting disk number */
char zip64ecom[0]; /* zip64 extensible data sector */
} ATTRIBUTE_PACKED;
#define zip64_eocl_sig 0x07064b50
struct zip64_eocl {
int zip64lsig;
int zip64ldsk;
long long zip64lofst;
int zip74lnum;
} ATTRIBUTE_PACKED;
struct zip_alignment_check {
int x[sizeof(struct zip_cd) == 46 ? 1:-1];
};
#ifdef HAVE_PRAGMA_PACK
#pragma pack(pop)
#endif
#endif
|
