summaryrefslogtreecommitdiff
path: root/lib/rpmdb_internal.h
blob: ce95ce1b421d1402e058920ac2173e0faa90800c (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
#ifndef H_RPMDB_INTERNAL
#define H_RPMDB_INTERNAL

#include <assert.h>
#include <db.h>

#include <rpm/rpmsw.h>
#include <rpm/rpmtypes.h>
#include <rpm/rpmutil.h>
#include "lib/backend/dbi.h"

#ifdef __cplusplus
extern "C" {
#endif

#undef HASHTYPE
#undef HTKEYTYPE
#undef HTDATATYPE
#define HASHTYPE removedHash
#define HTKEYTYPE unsigned int
#define HTDATATYPE struct rpmte_s *
#include "rpmhash.H"
#undef HASHTYPE
#undef HTKEYTYPE
#undef HTDATATYPE

/** \ingroup rpmdb
 * Reference a database instance.
 * @param db		rpm database
 * @return		new rpm database reference
 */
rpmdb rpmdbLink(rpmdb db);

/** \ingroup rpmdb
 * Open rpm database.
 * @param prefix	path to top of install tree
 * @retval dbp		address of rpm database
 * @param mode		open(2) flags:  O_RDWR or O_RDONLY (O_CREAT also)
 * @param perms		database permissions
 * @return		0 on success
 */
RPM_GNUC_INTERNAL
int rpmdbOpen (const char * prefix, rpmdb * dbp, int mode, int perms);

/** \ingroup rpmdb
 * Initialize database.
 * @param prefix	path to top of install tree
 * @param perms		database permissions
 * @return		0 on success
 */
RPM_GNUC_INTERNAL
int rpmdbInit(const char * prefix, int perms);

/** \ingroup rpmdb
 * Close all database indices and free rpmdb.
 * @param db		rpm database
 * @return		0 on success
 */
RPM_GNUC_INTERNAL
int rpmdbClose (rpmdb db);

/** \ingroup rpmdb
 * Sync all database indices.
 * @param db		rpm database
 * @return		0 on success
 */
RPM_GNUC_INTERNAL
int rpmdbSync (rpmdb db);

/** \ingroup rpmdb
 * Rebuild database indices from package headers.
 * @param prefix	path to top of install tree
 * @param ts		transaction set (or NULL)
 * @param (*hdrchk)	headerCheck() vector (or NULL)
 * @return		0 on success
 */
RPM_GNUC_INTERNAL
int rpmdbRebuild(const char * prefix, rpmts ts,
		rpmRC (*hdrchk) (rpmts ts, const void *uh, size_t uc, char ** msg));

/** \ingroup rpmdb
 * Verify database components.
 * @param prefix	path to top of install tree
 * @return		0 on success
 */
RPM_GNUC_INTERNAL
int rpmdbVerify(const char * prefix);

/** \ingroup rpmdb
 * Add package header to rpm database and indices.
 * @param db		rpm database
 * @param h		header
 * @return		0 on success
 */
RPM_GNUC_INTERNAL
int rpmdbAdd(rpmdb db, Header h);

/** \ingroup rpmdb
 * Remove package header from rpm database and indices.
 * @param db		rpm database
 * @param hdrNum	package instance number in database
 * @return		0 on success
 */
RPM_GNUC_INTERNAL
int rpmdbRemove(rpmdb db, unsigned int hdrNum);

/** \ingroup rpmdb
 * Return rpmdb home directory (depending on chroot state)
 * param db		rpmdb handle
 * return		db home directory (or NULL on error)
 */
RPM_GNUC_INTERNAL
const char *rpmdbHome(rpmdb db);

/** \ingroup rpmdb
 * Return database iterator.
 * @param mi		rpm database iterator
 * @param keyp		key data (NULL for sequential access)
 * @param keylen	key data length (0 will use strlen(keyp))
 * @return		0 on success
 */
int rpmdbExtendIterator(rpmdbMatchIterator mi,
			const void * keyp, size_t keylen);

/** \ingroup rpmdb
 * sort the iterator by (recnum, filenum)
 * Return database iterator.
 * @param mi		rpm database iterator
 */
void rpmdbSortIterator(rpmdbMatchIterator mi);

/** \ingroup rpmdb
 * Remove items from set of package instances to iterate.
 * @note Sorted hdrNums are always passed in rpmlib.
 * @param mi		rpm database iterator
 * @param hdrNums	hash of package instances
 * @return		0 on success, 1 on failure (bad args)
 */
int rpmdbPruneIterator(rpmdbMatchIterator mi, removedHash hdrNums);

/** \ingroup rpmdb
 * Create a new, empty match iterator (for purposes of extending it
 * through other means)
 * @param db		rpm database
 * @param dbitag	database index tag
 * @return		empty match iterator
 */
RPM_GNUC_INTERNAL
rpmdbMatchIterator rpmdbNewIterator(rpmdb db, rpmDbiTagVal dbitag);

#ifndef __APPLE__
/**
 *  * Mergesort, same arguments as qsort(2).
 *   */
RPM_GNUC_INTERNAL
int mergesort(void *base, size_t nmemb, size_t size,
                int (*cmp) (const void *, const void *));
#else
/* mergesort is defined in stdlib.h on Mac OS X */
#endif /* __APPLE__ */

#ifdef __cplusplus
}
#endif

#endif