source: vendor/3.5.0/lib/util/util_tdb.h

Last change on this file was 414, checked in by Herwig Bauernfeind, 15 years ago

Samba 3.5.0: Initial import
File size: 6.3 KB
Line 
1#ifndef _____LIB_UTIL_UTIL_TDB_H__
2#define _____LIB_UTIL_UTIL_TDB_H__
3
4
5/***************************************************************
6 Make a TDB_DATA and keep the const warning in one place
7****************************************************************/
8TDB_DATA make_tdb_data(const uint8_t *dptr, size_t dsize);
9TDB_DATA string_tdb_data(const char *string);
10TDB_DATA string_term_tdb_data(const char *string);
11
12/****************************************************************************
13 Lock a chain by string. Return -1 if lock failed.
14****************************************************************************/
15int tdb_lock_bystring(struct tdb_context *tdb, const char *keyval);
16
17/****************************************************************************
18 Unlock a chain by string.
19****************************************************************************/
20void tdb_unlock_bystring(struct tdb_context *tdb, const char *keyval);
21
22/****************************************************************************
23 Read lock a chain by string. Return -1 if lock failed.
24****************************************************************************/
25int tdb_read_lock_bystring(struct tdb_context *tdb, const char *keyval);
26
27/****************************************************************************
28 Read unlock a chain by string.
29****************************************************************************/
30void tdb_read_unlock_bystring(struct tdb_context *tdb, const char *keyval);
31
32/****************************************************************************
33 Fetch a int32_t value by a arbitrary blob key, return -1 if not found.
34 Output is int32_t in native byte order.
35****************************************************************************/
36int32_t tdb_fetch_int32_byblob(struct tdb_context *tdb, TDB_DATA key);
37
38/****************************************************************************
39 Fetch a int32_t value by string key, return -1 if not found.
40 Output is int32_t in native byte order.
41****************************************************************************/
42int32_t tdb_fetch_int32(struct tdb_context *tdb, const char *keystr);
43
44/****************************************************************************
45 Store a int32_t value by an arbitary blob key, return 0 on success, -1 on failure.
46 Input is int32_t in native byte order. Output in tdb is in little-endian.
47****************************************************************************/
48int tdb_store_int32_byblob(struct tdb_context *tdb, TDB_DATA key, int32_t v);
49
50/****************************************************************************
51 Store a int32_t value by string key, return 0 on success, -1 on failure.
52 Input is int32_t in native byte order. Output in tdb is in little-endian.
53****************************************************************************/
54int tdb_store_int32(struct tdb_context *tdb, const char *keystr, int32_t v);
55
56/****************************************************************************
57 Fetch a uint32_t value by a arbitrary blob key, return -1 if not found.
58 Output is uint32_t in native byte order.
59****************************************************************************/
60bool tdb_fetch_uint32_byblob(struct tdb_context *tdb, TDB_DATA key, uint32_t *value);
61
62/****************************************************************************
63 Fetch a uint32_t value by string key, return -1 if not found.
64 Output is uint32_t in native byte order.
65****************************************************************************/
66bool tdb_fetch_uint32(struct tdb_context *tdb, const char *keystr, uint32_t *value);
67
68/****************************************************************************
69 Store a uint32_t value by an arbitary blob key, return 0 on success, -1 on failure.
70 Input is uint32_t in native byte order. Output in tdb is in little-endian.
71****************************************************************************/
72bool tdb_store_uint32_byblob(struct tdb_context *tdb, TDB_DATA key, uint32_t value);
73
74/****************************************************************************
75 Store a uint32_t value by string key, return 0 on success, -1 on failure.
76 Input is uint32_t in native byte order. Output in tdb is in little-endian.
77****************************************************************************/
78bool tdb_store_uint32(struct tdb_context *tdb, const char *keystr, uint32_t value);
79
80/****************************************************************************
81 Store a buffer by a null terminated string key. Return 0 on success, -1
82 on failure.
83****************************************************************************/
84int tdb_store_bystring(struct tdb_context *tdb, const char *keystr, TDB_DATA data, int flags);
85
86/****************************************************************************
87 Fetch a buffer using a null terminated string key. Don't forget to call
88 free() on the result dptr.
89****************************************************************************/
90TDB_DATA tdb_fetch_bystring(struct tdb_context *tdb, const char *keystr);
91
92/****************************************************************************
93 Delete an entry using a null terminated string key.
94****************************************************************************/
95int tdb_delete_bystring(struct tdb_context *tdb, const char *keystr);
96
97/****************************************************************************
98 Atomic integer change. Returns old value. To create, set initial value in *oldval.
99****************************************************************************/
100int32_t tdb_change_int32_atomic(struct tdb_context *tdb, const char *keystr, int32_t *oldval, int32_t change_val);
101
102/****************************************************************************
103 Atomic unsigned integer change. Returns old value. To create, set initial value in *oldval.
104****************************************************************************/
105bool tdb_change_uint32_atomic(struct tdb_context *tdb, const char *keystr, uint32_t *oldval, uint32_t change_val);
106
107/****************************************************************************
108 Allow tdb_delete to be used as a tdb_traversal_fn.
109****************************************************************************/
110int tdb_traverse_delete_fn(struct tdb_context *the_tdb, TDB_DATA key, TDB_DATA dbuf,
111 void *state);
112
113#endif /* _____LIB_UTIL_UTIL_TDB_H__ */
114
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