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
|
#ifndef __ZZIP_MEMDISK_H
#define __ZZIP_MEMDISK_H
/* NOTE: this is part of libzzipmmapped (i.e. it is not libzzip). */
#include <zzip/types.h>
#include <zzip/mmapped.h>
#ifdef __cplusplus
extern "C" {
#endif
typedef struct _zzip_mem_disk ZZIP_MEM_DISK;
typedef struct _zzip_mem_entry ZZIP_MEM_ENTRY;
struct _zzip_mem_disk {
ZZIP_DISK* disk;
ZZIP_MEM_ENTRY* list;
ZZIP_MEM_ENTRY* last;
};
#ifndef zzip_mem_disk_extern
#define zzip_mem_disk_extern
#endif
zzip_mem_disk_extern zzip__new__ ZZIP_MEM_DISK*
zzip_mem_disk_new (void);
zzip_mem_disk_extern zzip__new__ ZZIP_MEM_DISK*
zzip_mem_disk_open (char* filename);
zzip_mem_disk_extern zzip__new__ ZZIP_MEM_DISK*
zzip_mem_disk_fdopen (int fd);
zzip_mem_disk_extern zzip__new__ ZZIP_MEM_DISK *
zzip_mem_disk_buffer(char *buffer, size_t buflen);
zzip_mem_disk_extern void
zzip_mem_disk_close (ZZIP_MEM_DISK* _zzip_restrict dir);
zzip_mem_disk_extern long
zzip_mem_disk_load (ZZIP_MEM_DISK* dir, ZZIP_DISK* disk);
zzip_mem_disk_extern void
zzip_mem_disk_unload (ZZIP_MEM_DISK* dir);
ZZIP_EXTRA_BLOCK*
zzip_mem_entry_extra_block (ZZIP_MEM_ENTRY* entry, short datatype);
#ifdef USE_INLINE
_zzip_inline ZZIP_DISK* zzip_disk (ZZIP_MEM_DISK* dir) { return dir->disk; }
#else
#define zzip_disk(_X_) ((_X_)->disk)
#endif
/* these functions are much faster than the orgiinal zzip_disk_ functions */
/* zzip_mem_entry <is similar to> zzip_disk_entry */
struct _zzip_mem_entry {
struct _zzip_mem_entry* zz_next;
char* zz_name; /* zero-terminated (from "filename") */
zzip_byte_t* zz_data; /* compressed content start (mmap addr) */
int zz_flags; /* (from "z_flags") */
int zz_compr; /* (from "z_compr") */
long zz_mktime; /* (from "z_dostime") */
long zz_crc32; /* (from "z_crc32") */
zzip_off_t zz_csize; /* (from "z_csize") overridden by zip64 */
zzip_off_t zz_usize; /* (from "z_usize") overridden by zip64 */
zzip_off_t zz_offset; /* (from "z_offset") overridden by zip64 */
int zz_diskstart; /* (from "z_diskstart") rridden by zip64 */
int zz_filetype; /* (from "z_filetype") */
char* zz_comment; /* zero-terminated (from "comment") */
ZZIP_EXTRA_BLOCK* zz_ext[3]; /* terminated by null in z_datatype */
}; /* the extra blocks are NOT converted */
#define _zzip_mem_disk_findfirst(_d_) ((_d_)->list)
#define _zzip_mem_disk_findnext(_d_,_e_) (!(_e_)?(_d_)->list:(_e_)->zz_next)
#define _zzip_mem_entry_findnext(_e_) ((_e_)->zz_next)
#ifndef USE_INLINE
#define zzip_mem_disk_findfirst _zzip_mem_disk_findfirst
#define zzip_mem_disk_findnext _zzip_mem_disk_findnext
#define zzip_mem_entry_findnext _zzip_mem_entry_findnext
#else
_zzip_inline ZZIP_MEM_ENTRY*
zzip_mem_disk_findfirst(ZZIP_MEM_DISK* dir) {
if (! dir) return 0;
return _zzip_mem_disk_findfirst(dir); }
_zzip_inline ZZIP_MEM_ENTRY*
zzip_mem_disk_findnext(ZZIP_MEM_DISK* dir, ZZIP_MEM_ENTRY* entry) {
if (! dir) return 0;
return _zzip_mem_disk_findnext(dir, entry); }
_zzip_inline ZZIP_MEM_ENTRY*
zzip_mem_entry_findnext(ZZIP_MEM_ENTRY* entry) {
if (! entry) return 0;
return _zzip_mem_entry_findnext(entry); }
#endif
#define _zzip_mem_entry_to_name(_e_) ((_e_)->zz_name)
#define _zzip_mem_entry_to_comment(_e_) ((_e_)->zz_comment)
#define _zzip_mem_entry_strdup_name(_e_) (strdup((_e_)->zz_name))
#define _zzip_mem_entry_to_data(_e_) ((_e_)->zz_data)
#ifndef USE_INLINE
#define zzip_mem_entry_to_name _zzip_mem_entry_to_name
#define zzip_mem_entry_to_comment _zzip_mem_entry_to_comment
#define zzip_mem_entry_strdup_name _zzip_mem_entry_strdup_name
#define zzip_mem_entry_to_data _zzip_mem_entry_to_data
#else
_zzip_inline char*
zzip_mem_entry_to_name(ZZIP_MEM_ENTRY* entry) {
if (! entry) return 0;
return _zzip_mem_entry_to_name(entry); }
_zzip_inline char*
zzip_mem_entry_to_comment(ZZIP_MEM_ENTRY* entry) {
if (! entry) return 0;
return _zzip_mem_entry_to_comment(entry); }
zzip__new__
_zzip_inline char*
zzip_mem_entry_strdup_name(ZZIP_MEM_ENTRY* entry) {
if (! entry) return 0;
return _zzip_mem_entry_strdup_name(entry); }
_zzip_inline zzip_byte_t*
zzip_mem_entry_to_data(ZZIP_MEM_ENTRY* entry) {
if (! entry) return 0;
return _zzip_mem_entry_to_data(entry); }
#endif
ZZIP_MEM_ENTRY*
zzip_mem_disk_findfile(ZZIP_MEM_DISK* dir,
char* filename, ZZIP_MEM_ENTRY* after,
zzip_strcmp_fn_t compare);
ZZIP_MEM_ENTRY*
zzip_mem_disk_findmatch(ZZIP_MEM_DISK* dir,
char* filespec, ZZIP_MEM_ENTRY* after,
zzip_fnmatch_fn_t compare, int flags);
/* named access -------------------------------------------------------- */
#define zzip_mem_entry_usize(_e_) ((_e_)->zz_usize)
#define zzip_mem_entry_csize(_e_) ((_e_)->zz_csize)
#define zzip_mem_entry_data_encrypted(_e_) ZZIP_IS_ENCRYPTED((_e_)->zz_flags)
#define zzip_mem_entry_data_streamed(_e_) ZZIP_IS_STREAMED((_e_)->zz_flags)
#define zzip_mem_entry_data_comprlevel(_e_) ((_e_)->zz_compr)
#define zzip_mem_entry_data_stored(_e_) ((_e_)->zz_compr == ZZIP_IS_STORED)
#define zzip_mem_entry_data_deflated(_e_) ((_e_)->zz_compr == ZZIP_IS_DEFLATED)
/* zzip_mem_disk_file -------------------------------------------------- */
/* since only the header data is being cached, all the real data
* operations are actually the same as in mmapped.h - just fopen makes
* access to the header data in memory instead of the zip archive.
*/
typedef ZZIP_DISK_FILE ZZIP_MEM_DISK_FILE;
zzip__new__ ZZIP_MEM_DISK_FILE*
zzip_mem_entry_fopen (ZZIP_MEM_DISK* dir, ZZIP_MEM_ENTRY* entry);
zzip__new__ ZZIP_MEM_DISK_FILE*
zzip_mem_disk_fopen (ZZIP_MEM_DISK* dir, char* filename);
_zzip_size_t
zzip_mem_disk_fread (void* ptr, _zzip_size_t size, _zzip_size_t nmemb,
ZZIP_MEM_DISK_FILE* file);
int
zzip_mem_disk_fclose (ZZIP_MEM_DISK_FILE* file);
int
zzip_mem_disk_feof (ZZIP_MEM_DISK_FILE* file);
/* convert dostime of entry to unix time_t */
long zzip_disk_entry_get_mktime(ZZIP_DISK_ENTRY* entry);
#ifdef __cplusplus
}
#endif
#endif
|
