2 Unix SMB/CIFS implementation.
6 Copyright (C) 2004,2005 Tim Potter <tpot@samba.org>
8 ** NOTE! The following LGPL license applies to the tdb
9 ** library. This does NOT imply that all of Samba is released
12 This library is free software; you can redistribute it and/or
13 modify it under the terms of the GNU Lesser General Public
14 License as published by the Free Software Foundation; either
15 version 3 of the License, or (at your option) any later version.
17 This library is distributed in the hope that it will be useful,
18 but WITHOUT ANY WARRANTY; without even the implied warranty of
19 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
20 Lesser General Public License for more details.
22 You should have received a copy of the GNU Lesser General Public
23 License along with this library; if not, see <http://www.gnu.org/licenses/>.
30 /* This symbol is used in both includes.h and Python.h which causes an
31 annoying compiler warning. */
38 /** Use gcc attribute to check printf fns. a1 is the 1-based index of
39 * the parameter containing the format, and a2 the index of the first
40 * argument. Note that some gcc 2.x versions don't handle this
42 #define PRINTF_ATTRIBUTE(a1, a2) __attribute__ ((format (__printf__, a1, a2)))
44 #define PRINTF_ATTRIBUTE(a1, a2)
47 /* Include tdb headers */
49 #include "lib/tdb/include/tdb.h"
53 /* The tdb functions will crash if a NULL tdb context is passed */
57 %typemap(check) TDB_CONTEXT* {
59 SWIG_exception(SWIG_ValueError,
60 "tdb context must be non-NULL");
63 /* In and out typemaps for the TDB_DATA structure. This is converted to
64 and from the Python string type which can contain arbitrary binary
67 %typemap(in) TDB_DATA {
68 if (!PyString_Check($input)) {
69 PyErr_SetString(PyExc_TypeError, "string arg expected");
72 $1.dsize = PyString_Size($input);
73 $1.dptr = PyString_AsString($input);
76 %typemap(out) TDB_DATA {
77 if ($1.dptr == NULL && $1.dsize == 0) {
80 $result = PyString_FromStringAndSize($1.dptr, $1.dsize);
85 /* Treat a mode_t as an unsigned integer */
89 /* flags to tdb_store() */
95 /* flags for tdb_open() */
97 #define TDB_DEFAULT 0 /* just a readability place holder */
98 #define TDB_CLEAR_IF_FIRST 1
99 #define TDB_INTERNAL 2 /* don't store on disk */
100 #define TDB_NOLOCK 4 /* don't do any locking */
101 #define TDB_NOMMAP 8 /* don't use mmap */
102 #define TDB_CONVERT 16 /* convert endian (internal use) */
103 #define TDB_BIGENDIAN 32 /* header is big-endian (internal use) */
105 /* Throw an IOError exception if tdb_open() or tdb_open_ex() returns NULL */
109 if (result == NULL) {
110 PyErr_SetFromErrno(PyExc_IOError);
115 TDB_CONTEXT *tdb_open(const char *name, int hash_size, int tdb_flags,
116 int open_flags, mode_t mode);
118 TDB_CONTEXT *tdb_open_ex(const char *name, int hash_size, int tdb_flags,
119 int open_flags, mode_t mode,
121 tdb_hash_func hash_fn);
125 int tdb_reopen(TDB_CONTEXT *tdb);
127 int tdb_reopen_all(int parent_longlived);
129 void tdb_logging_function(TDB_CONTEXT *tdb, tdb_log_func);
131 enum TDB_ERROR tdb_error(TDB_CONTEXT *tdb);
133 const char *tdb_errorstr(TDB_CONTEXT *tdb);
135 TDB_DATA tdb_fetch(TDB_CONTEXT *tdb, TDB_DATA key);
137 int tdb_delete(TDB_CONTEXT *tdb, TDB_DATA key);
139 int tdb_store(TDB_CONTEXT *tdb, TDB_DATA key, TDB_DATA dbuf, int flag = TDB_REPLACE);
141 int tdb_append(TDB_CONTEXT *tdb, TDB_DATA key, TDB_DATA new_dbuf);
143 int tdb_close(TDB_CONTEXT *tdb);
145 TDB_DATA tdb_firstkey(TDB_CONTEXT *tdb);
147 TDB_DATA tdb_nextkey(TDB_CONTEXT *tdb, TDB_DATA key);
149 int tdb_traverse(TDB_CONTEXT *tdb, tdb_traverse_func fn, void *state);
151 int tdb_exists(TDB_CONTEXT *tdb, TDB_DATA key);
153 int tdb_lockall(TDB_CONTEXT *tdb);
155 void tdb_unlockall(TDB_CONTEXT *tdb);
157 /* Low level locking functions: use with care */
159 int tdb_chainlock(TDB_CONTEXT *tdb, TDB_DATA key);
161 int tdb_chainunlock(TDB_CONTEXT *tdb, TDB_DATA key);
163 /* Debug functions. Not used in production. */
165 void tdb_dump_all(TDB_CONTEXT *tdb);
167 int tdb_printfreelist(TDB_CONTEXT *tdb);