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
|
#ifndef __LAR_H
#define __LAR_H
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <stdint.h>
#include <fcntl.h>
#include <string.h>
#include <arpa/inet.h>
#include <sys/types.h>
#include <sys/mman.h>
#include <sys/stat.h>
int errno;
#define LAR_DIE(s) \
do { \
fprintf(stderr, "%s(%i): %s(): %s\n", \
__FILE__, __LINE__, __FUNCTION__, s); \
if( errno ) fprintf(stderr, "%s(%i): %s\n", \
__FILE__, __LINE__, strerror(errno) ); \
exit(1); \
} while(0)
#define LAR_FNAME_BUFFER 1024
#define LAR_FNAME(s) char s[LAR_FNAME_BUFFER]
#ifdef __WIN32__
#define LAR_DIRSEP '\\'
#else
#define LAR_DIRSEP '/'
#endif
struct lar_index_item {
uint32_t noffset;
uint32_t nlength;
uint32_t foffset;
uint32_t flength;
uint16_t type;
uint16_t flags;
struct lar_index_item *next;
};
struct lar_member_item {
uint16_t type;
uint16_t flags;
uint32_t length;
char *data;
char *mmap;
size_t mlen;
};
struct lar_archive_handle {
int fd;
off_t length;
char filename[LAR_FNAME_BUFFER];
struct lar_index_item *index;
};
typedef struct lar_index_item lar_index;
typedef struct lar_member_item lar_member;
typedef struct lar_archive_handle lar_archive;
int lar_read32( int fd, uint32_t *val );
int lar_read16( int fd, uint16_t *val );
lar_index * lar_get_index( lar_archive *ar );
uint32_t lar_get_filename( lar_archive *ar,
lar_index *idx_ptr, char *filename );
lar_member * lar_open_member( lar_archive *ar, const char *name );
int lar_close_member( lar_member *member );
lar_archive * lar_open( const char *filename );
int lar_close( lar_archive *ar );
lar_archive * lar_find_archive( const char *package );
lar_member * lar_find_member( lar_archive *ar, const char *package );
#endif
|
