1*0Sstevel@tonic-gate /*-
2*0Sstevel@tonic-gate * See the file LICENSE for redistribution information.
3*0Sstevel@tonic-gate *
4*0Sstevel@tonic-gate * Copyright (c) 1996, 1997, 1998
5*0Sstevel@tonic-gate * Sleepycat Software. All rights reserved.
6*0Sstevel@tonic-gate */
7*0Sstevel@tonic-gate /*
8*0Sstevel@tonic-gate * Copyright (c) 1990, 1993
9*0Sstevel@tonic-gate * Margo Seltzer. All rights reserved.
10*0Sstevel@tonic-gate */
11*0Sstevel@tonic-gate /*
12*0Sstevel@tonic-gate * Copyright (c) 1990, 1993
13*0Sstevel@tonic-gate * The Regents of the University of California. All rights reserved.
14*0Sstevel@tonic-gate *
15*0Sstevel@tonic-gate * This code is derived from software contributed to Berkeley by
16*0Sstevel@tonic-gate * Margo Seltzer.
17*0Sstevel@tonic-gate *
18*0Sstevel@tonic-gate * Redistribution and use in source and binary forms, with or without
19*0Sstevel@tonic-gate * modification, are permitted provided that the following conditions
20*0Sstevel@tonic-gate * are met:
21*0Sstevel@tonic-gate * 1. Redistributions of source code must retain the above copyright
22*0Sstevel@tonic-gate * notice, this list of conditions and the following disclaimer.
23*0Sstevel@tonic-gate * 2. Redistributions in binary form must reproduce the above copyright
24*0Sstevel@tonic-gate * notice, this list of conditions and the following disclaimer in the
25*0Sstevel@tonic-gate * documentation and/or other materials provided with the distribution.
26*0Sstevel@tonic-gate * 3. All advertising materials mentioning features or use of this software
27*0Sstevel@tonic-gate * must display the following acknowledgement:
28*0Sstevel@tonic-gate * This product includes software developed by the University of
29*0Sstevel@tonic-gate * California, Berkeley and its contributors.
30*0Sstevel@tonic-gate * 4. Neither the name of the University nor the names of its contributors
31*0Sstevel@tonic-gate * may be used to endorse or promote products derived from this software
32*0Sstevel@tonic-gate * without specific prior written permission.
33*0Sstevel@tonic-gate *
34*0Sstevel@tonic-gate * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
35*0Sstevel@tonic-gate * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
36*0Sstevel@tonic-gate * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
37*0Sstevel@tonic-gate * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
38*0Sstevel@tonic-gate * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
39*0Sstevel@tonic-gate * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
40*0Sstevel@tonic-gate * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
41*0Sstevel@tonic-gate * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
42*0Sstevel@tonic-gate * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
43*0Sstevel@tonic-gate * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
44*0Sstevel@tonic-gate * SUCH DAMAGE.
45*0Sstevel@tonic-gate */
46*0Sstevel@tonic-gate
47*0Sstevel@tonic-gate #include "config.h"
48*0Sstevel@tonic-gate
49*0Sstevel@tonic-gate #ifndef lint
50*0Sstevel@tonic-gate static const char sccsid[] = "@(#)dbm.c 10.23 (Sleepycat) 11/22/98";
51*0Sstevel@tonic-gate #endif /* not lint */
52*0Sstevel@tonic-gate
53*0Sstevel@tonic-gate #ifndef NO_SYSTEM_INCLUDES
54*0Sstevel@tonic-gate #include <sys/types.h>
55*0Sstevel@tonic-gate
56*0Sstevel@tonic-gate #include <errno.h>
57*0Sstevel@tonic-gate #include <fcntl.h>
58*0Sstevel@tonic-gate #include <string.h>
59*0Sstevel@tonic-gate #endif
60*0Sstevel@tonic-gate
61*0Sstevel@tonic-gate #define DB_DBM_HSEARCH 1
62*0Sstevel@tonic-gate #include "db_int.h"
63*0Sstevel@tonic-gate
64*0Sstevel@tonic-gate #include "db_page.h"
65*0Sstevel@tonic-gate #include "hash.h"
66*0Sstevel@tonic-gate
67*0Sstevel@tonic-gate /*
68*0Sstevel@tonic-gate *
69*0Sstevel@tonic-gate * This package provides dbm and ndbm compatible interfaces to DB.
70*0Sstevel@tonic-gate *
71*0Sstevel@tonic-gate * The DBM routines, which call the NDBM routines.
72*0Sstevel@tonic-gate */
73*0Sstevel@tonic-gate static DBM *__cur_db;
74*0Sstevel@tonic-gate
75*0Sstevel@tonic-gate static void __db_no_open __P((void));
76*0Sstevel@tonic-gate
77*0Sstevel@tonic-gate int
__db_dbm_init(file)78*0Sstevel@tonic-gate __db_dbm_init(file)
79*0Sstevel@tonic-gate char *file;
80*0Sstevel@tonic-gate {
81*0Sstevel@tonic-gate if (__cur_db != NULL)
82*0Sstevel@tonic-gate (void)dbm_close(__cur_db);
83*0Sstevel@tonic-gate if ((__cur_db =
84*0Sstevel@tonic-gate dbm_open(file, O_CREAT | O_RDWR, __db_omode("rw----"))) != NULL)
85*0Sstevel@tonic-gate return (0);
86*0Sstevel@tonic-gate if ((__cur_db = dbm_open(file, O_RDONLY, 0)) != NULL)
87*0Sstevel@tonic-gate return (0);
88*0Sstevel@tonic-gate return (-1);
89*0Sstevel@tonic-gate }
90*0Sstevel@tonic-gate
91*0Sstevel@tonic-gate int
__db_dbm_close()92*0Sstevel@tonic-gate __db_dbm_close()
93*0Sstevel@tonic-gate {
94*0Sstevel@tonic-gate if (__cur_db != NULL) {
95*0Sstevel@tonic-gate dbm_close(__cur_db);
96*0Sstevel@tonic-gate __cur_db = NULL;
97*0Sstevel@tonic-gate }
98*0Sstevel@tonic-gate return (0);
99*0Sstevel@tonic-gate }
100*0Sstevel@tonic-gate
101*0Sstevel@tonic-gate datum
__db_dbm_fetch(key)102*0Sstevel@tonic-gate __db_dbm_fetch(key)
103*0Sstevel@tonic-gate datum key;
104*0Sstevel@tonic-gate {
105*0Sstevel@tonic-gate datum item;
106*0Sstevel@tonic-gate
107*0Sstevel@tonic-gate if (__cur_db == NULL) {
108*0Sstevel@tonic-gate __db_no_open();
109*0Sstevel@tonic-gate item.dptr = 0;
110*0Sstevel@tonic-gate return (item);
111*0Sstevel@tonic-gate }
112*0Sstevel@tonic-gate return (dbm_fetch(__cur_db, key));
113*0Sstevel@tonic-gate }
114*0Sstevel@tonic-gate
115*0Sstevel@tonic-gate datum
__db_dbm_firstkey()116*0Sstevel@tonic-gate __db_dbm_firstkey()
117*0Sstevel@tonic-gate {
118*0Sstevel@tonic-gate datum item;
119*0Sstevel@tonic-gate
120*0Sstevel@tonic-gate if (__cur_db == NULL) {
121*0Sstevel@tonic-gate __db_no_open();
122*0Sstevel@tonic-gate item.dptr = 0;
123*0Sstevel@tonic-gate return (item);
124*0Sstevel@tonic-gate }
125*0Sstevel@tonic-gate return (dbm_firstkey(__cur_db));
126*0Sstevel@tonic-gate }
127*0Sstevel@tonic-gate
128*0Sstevel@tonic-gate datum
__db_dbm_nextkey(key)129*0Sstevel@tonic-gate __db_dbm_nextkey(key)
130*0Sstevel@tonic-gate datum key;
131*0Sstevel@tonic-gate {
132*0Sstevel@tonic-gate datum item;
133*0Sstevel@tonic-gate
134*0Sstevel@tonic-gate COMPQUIET(key.dsize, 0);
135*0Sstevel@tonic-gate
136*0Sstevel@tonic-gate if (__cur_db == NULL) {
137*0Sstevel@tonic-gate __db_no_open();
138*0Sstevel@tonic-gate item.dptr = 0;
139*0Sstevel@tonic-gate return (item);
140*0Sstevel@tonic-gate }
141*0Sstevel@tonic-gate return (dbm_nextkey(__cur_db));
142*0Sstevel@tonic-gate }
143*0Sstevel@tonic-gate
144*0Sstevel@tonic-gate int
__db_dbm_delete(key)145*0Sstevel@tonic-gate __db_dbm_delete(key)
146*0Sstevel@tonic-gate datum key;
147*0Sstevel@tonic-gate {
148*0Sstevel@tonic-gate if (__cur_db == NULL) {
149*0Sstevel@tonic-gate __db_no_open();
150*0Sstevel@tonic-gate return (-1);
151*0Sstevel@tonic-gate }
152*0Sstevel@tonic-gate return (dbm_delete(__cur_db, key));
153*0Sstevel@tonic-gate }
154*0Sstevel@tonic-gate
155*0Sstevel@tonic-gate int
__db_dbm_store(key,dat)156*0Sstevel@tonic-gate __db_dbm_store(key, dat)
157*0Sstevel@tonic-gate datum key, dat;
158*0Sstevel@tonic-gate {
159*0Sstevel@tonic-gate if (__cur_db == NULL) {
160*0Sstevel@tonic-gate __db_no_open();
161*0Sstevel@tonic-gate return (-1);
162*0Sstevel@tonic-gate }
163*0Sstevel@tonic-gate return (dbm_store(__cur_db, key, dat, DBM_REPLACE));
164*0Sstevel@tonic-gate }
165*0Sstevel@tonic-gate
166*0Sstevel@tonic-gate static void
__db_no_open()167*0Sstevel@tonic-gate __db_no_open()
168*0Sstevel@tonic-gate {
169*0Sstevel@tonic-gate (void)fprintf(stderr, "dbm: no open database.\n");
170*0Sstevel@tonic-gate }
171*0Sstevel@tonic-gate
172*0Sstevel@tonic-gate /*
173*0Sstevel@tonic-gate * This package provides dbm and ndbm compatible interfaces to DB.
174*0Sstevel@tonic-gate *
175*0Sstevel@tonic-gate * The NDBM routines, which call the DB routines.
176*0Sstevel@tonic-gate */
177*0Sstevel@tonic-gate /*
178*0Sstevel@tonic-gate * Returns:
179*0Sstevel@tonic-gate * *DBM on success
180*0Sstevel@tonic-gate * NULL on failure
181*0Sstevel@tonic-gate */
182*0Sstevel@tonic-gate DBM *
__db_ndbm_open(file,oflags,mode)183*0Sstevel@tonic-gate __db_ndbm_open(file, oflags, mode)
184*0Sstevel@tonic-gate const char *file;
185*0Sstevel@tonic-gate int oflags, mode;
186*0Sstevel@tonic-gate {
187*0Sstevel@tonic-gate DB *dbp;
188*0Sstevel@tonic-gate DBC *dbc;
189*0Sstevel@tonic-gate DB_INFO dbinfo;
190*0Sstevel@tonic-gate int sv_errno;
191*0Sstevel@tonic-gate char path[MAXPATHLEN];
192*0Sstevel@tonic-gate
193*0Sstevel@tonic-gate memset(&dbinfo, 0, sizeof(dbinfo));
194*0Sstevel@tonic-gate dbinfo.db_pagesize = 4096;
195*0Sstevel@tonic-gate dbinfo.h_ffactor = 40;
196*0Sstevel@tonic-gate dbinfo.h_nelem = 1;
197*0Sstevel@tonic-gate
198*0Sstevel@tonic-gate /*
199*0Sstevel@tonic-gate * XXX
200*0Sstevel@tonic-gate * Don't use sprintf(3)/snprintf(3) -- the former is dangerous, and
201*0Sstevel@tonic-gate * the latter isn't standard, and we're manipulating strings handed
202*0Sstevel@tonic-gate * us by the application.
203*0Sstevel@tonic-gate */
204*0Sstevel@tonic-gate if (strlen(file) + strlen(DBM_SUFFIX) + 1 > sizeof(path)) {
205*0Sstevel@tonic-gate errno = ENAMETOOLONG;
206*0Sstevel@tonic-gate return (NULL);
207*0Sstevel@tonic-gate }
208*0Sstevel@tonic-gate (void)strcpy(path, file);
209*0Sstevel@tonic-gate (void)strcat(path, DBM_SUFFIX);
210*0Sstevel@tonic-gate if ((errno = db_open(path,
211*0Sstevel@tonic-gate DB_HASH, __db_oflags(oflags), mode, NULL, &dbinfo, &dbp)) != 0)
212*0Sstevel@tonic-gate return (NULL);
213*0Sstevel@tonic-gate
214*0Sstevel@tonic-gate if ((errno = dbp->cursor(dbp, NULL, &dbc, 0)) != 0) {
215*0Sstevel@tonic-gate sv_errno = errno;
216*0Sstevel@tonic-gate (void)dbp->close(dbp, 0);
217*0Sstevel@tonic-gate errno = sv_errno;
218*0Sstevel@tonic-gate return (NULL);
219*0Sstevel@tonic-gate }
220*0Sstevel@tonic-gate
221*0Sstevel@tonic-gate return ((DBM *)dbc);
222*0Sstevel@tonic-gate }
223*0Sstevel@tonic-gate
224*0Sstevel@tonic-gate /*
225*0Sstevel@tonic-gate * Returns:
226*0Sstevel@tonic-gate * Nothing.
227*0Sstevel@tonic-gate */
228*0Sstevel@tonic-gate void
__db_ndbm_close(dbm)229*0Sstevel@tonic-gate __db_ndbm_close(dbm)
230*0Sstevel@tonic-gate DBM *dbm;
231*0Sstevel@tonic-gate {
232*0Sstevel@tonic-gate DBC *dbc;
233*0Sstevel@tonic-gate
234*0Sstevel@tonic-gate dbc = (DBC *)dbm;
235*0Sstevel@tonic-gate
236*0Sstevel@tonic-gate (void)dbc->dbp->close(dbc->dbp, 0);
237*0Sstevel@tonic-gate }
238*0Sstevel@tonic-gate
239*0Sstevel@tonic-gate /*
240*0Sstevel@tonic-gate * Returns:
241*0Sstevel@tonic-gate * DATUM on success
242*0Sstevel@tonic-gate * NULL on failure
243*0Sstevel@tonic-gate */
244*0Sstevel@tonic-gate datum
__db_ndbm_fetch(dbm,key)245*0Sstevel@tonic-gate __db_ndbm_fetch(dbm, key)
246*0Sstevel@tonic-gate DBM *dbm;
247*0Sstevel@tonic-gate datum key;
248*0Sstevel@tonic-gate {
249*0Sstevel@tonic-gate DBC *dbc;
250*0Sstevel@tonic-gate DBT _key, _data;
251*0Sstevel@tonic-gate datum data;
252*0Sstevel@tonic-gate int ret;
253*0Sstevel@tonic-gate
254*0Sstevel@tonic-gate dbc = (DBC *)dbm;
255*0Sstevel@tonic-gate
256*0Sstevel@tonic-gate memset(&_key, 0, sizeof(DBT));
257*0Sstevel@tonic-gate memset(&_data, 0, sizeof(DBT));
258*0Sstevel@tonic-gate _key.size = key.dsize;
259*0Sstevel@tonic-gate _key.data = key.dptr;
260*0Sstevel@tonic-gate
261*0Sstevel@tonic-gate /*
262*0Sstevel@tonic-gate * Note that we can't simply use the dbc we have to do a c_get/SET,
263*0Sstevel@tonic-gate * because that cursor is the one used for sequential iteration and
264*0Sstevel@tonic-gate * it has to remain stable in the face of intervening gets and puts.
265*0Sstevel@tonic-gate */
266*0Sstevel@tonic-gate if ((ret = dbc->dbp->get(dbc->dbp, NULL, &_key, &_data, 0)) == 0) {
267*0Sstevel@tonic-gate data.dptr = _data.data;
268*0Sstevel@tonic-gate data.dsize = _data.size;
269*0Sstevel@tonic-gate } else {
270*0Sstevel@tonic-gate data.dptr = NULL;
271*0Sstevel@tonic-gate data.dsize = 0;
272*0Sstevel@tonic-gate if (ret == DB_NOTFOUND)
273*0Sstevel@tonic-gate errno = ENOENT;
274*0Sstevel@tonic-gate else {
275*0Sstevel@tonic-gate errno = ret;
276*0Sstevel@tonic-gate F_SET(dbc->dbp, DB_DBM_ERROR);
277*0Sstevel@tonic-gate }
278*0Sstevel@tonic-gate }
279*0Sstevel@tonic-gate return (data);
280*0Sstevel@tonic-gate }
281*0Sstevel@tonic-gate
282*0Sstevel@tonic-gate /*
283*0Sstevel@tonic-gate * Returns:
284*0Sstevel@tonic-gate * DATUM on success
285*0Sstevel@tonic-gate * NULL on failure
286*0Sstevel@tonic-gate */
287*0Sstevel@tonic-gate datum
__db_ndbm_firstkey(dbm)288*0Sstevel@tonic-gate __db_ndbm_firstkey(dbm)
289*0Sstevel@tonic-gate DBM *dbm;
290*0Sstevel@tonic-gate {
291*0Sstevel@tonic-gate DBC *dbc;
292*0Sstevel@tonic-gate DBT _key, _data;
293*0Sstevel@tonic-gate datum key;
294*0Sstevel@tonic-gate int ret;
295*0Sstevel@tonic-gate
296*0Sstevel@tonic-gate dbc = (DBC *)dbm;
297*0Sstevel@tonic-gate
298*0Sstevel@tonic-gate memset(&_key, 0, sizeof(DBT));
299*0Sstevel@tonic-gate memset(&_data, 0, sizeof(DBT));
300*0Sstevel@tonic-gate
301*0Sstevel@tonic-gate if ((ret = dbc->c_get(dbc, &_key, &_data, DB_FIRST)) == 0) {
302*0Sstevel@tonic-gate key.dptr = _key.data;
303*0Sstevel@tonic-gate key.dsize = _key.size;
304*0Sstevel@tonic-gate } else {
305*0Sstevel@tonic-gate key.dptr = NULL;
306*0Sstevel@tonic-gate key.dsize = 0;
307*0Sstevel@tonic-gate if (ret == DB_NOTFOUND)
308*0Sstevel@tonic-gate errno = ENOENT;
309*0Sstevel@tonic-gate else {
310*0Sstevel@tonic-gate errno = ret;
311*0Sstevel@tonic-gate F_SET(dbc->dbp, DB_DBM_ERROR);
312*0Sstevel@tonic-gate }
313*0Sstevel@tonic-gate }
314*0Sstevel@tonic-gate return (key);
315*0Sstevel@tonic-gate }
316*0Sstevel@tonic-gate
317*0Sstevel@tonic-gate /*
318*0Sstevel@tonic-gate * Returns:
319*0Sstevel@tonic-gate * DATUM on success
320*0Sstevel@tonic-gate * NULL on failure
321*0Sstevel@tonic-gate */
322*0Sstevel@tonic-gate datum
__db_ndbm_nextkey(dbm)323*0Sstevel@tonic-gate __db_ndbm_nextkey(dbm)
324*0Sstevel@tonic-gate DBM *dbm;
325*0Sstevel@tonic-gate {
326*0Sstevel@tonic-gate DBC *dbc;
327*0Sstevel@tonic-gate DBT _key, _data;
328*0Sstevel@tonic-gate datum key;
329*0Sstevel@tonic-gate int ret;
330*0Sstevel@tonic-gate
331*0Sstevel@tonic-gate dbc = (DBC *)dbm;
332*0Sstevel@tonic-gate
333*0Sstevel@tonic-gate memset(&_key, 0, sizeof(DBT));
334*0Sstevel@tonic-gate memset(&_data, 0, sizeof(DBT));
335*0Sstevel@tonic-gate
336*0Sstevel@tonic-gate if ((ret = dbc->c_get(dbc, &_key, &_data, DB_NEXT)) == 0) {
337*0Sstevel@tonic-gate key.dptr = _key.data;
338*0Sstevel@tonic-gate key.dsize = _key.size;
339*0Sstevel@tonic-gate } else {
340*0Sstevel@tonic-gate key.dptr = NULL;
341*0Sstevel@tonic-gate key.dsize = 0;
342*0Sstevel@tonic-gate if (ret == DB_NOTFOUND)
343*0Sstevel@tonic-gate errno = ENOENT;
344*0Sstevel@tonic-gate else {
345*0Sstevel@tonic-gate errno = ret;
346*0Sstevel@tonic-gate F_SET(dbc->dbp, DB_DBM_ERROR);
347*0Sstevel@tonic-gate }
348*0Sstevel@tonic-gate }
349*0Sstevel@tonic-gate return (key);
350*0Sstevel@tonic-gate }
351*0Sstevel@tonic-gate
352*0Sstevel@tonic-gate /*
353*0Sstevel@tonic-gate * Returns:
354*0Sstevel@tonic-gate * 0 on success
355*0Sstevel@tonic-gate * <0 failure
356*0Sstevel@tonic-gate */
357*0Sstevel@tonic-gate int
__db_ndbm_delete(dbm,key)358*0Sstevel@tonic-gate __db_ndbm_delete(dbm, key)
359*0Sstevel@tonic-gate DBM *dbm;
360*0Sstevel@tonic-gate datum key;
361*0Sstevel@tonic-gate {
362*0Sstevel@tonic-gate DBC *dbc;
363*0Sstevel@tonic-gate DBT _key;
364*0Sstevel@tonic-gate int ret;
365*0Sstevel@tonic-gate
366*0Sstevel@tonic-gate dbc = (DBC *)dbm;
367*0Sstevel@tonic-gate
368*0Sstevel@tonic-gate memset(&_key, 0, sizeof(DBT));
369*0Sstevel@tonic-gate _key.data = key.dptr;
370*0Sstevel@tonic-gate _key.size = key.dsize;
371*0Sstevel@tonic-gate
372*0Sstevel@tonic-gate if ((ret = dbc->dbp->del(dbc->dbp, NULL, &_key, 0)) == 0)
373*0Sstevel@tonic-gate return (0);
374*0Sstevel@tonic-gate
375*0Sstevel@tonic-gate if (ret == DB_NOTFOUND)
376*0Sstevel@tonic-gate errno = ENOENT;
377*0Sstevel@tonic-gate else {
378*0Sstevel@tonic-gate errno = ret;
379*0Sstevel@tonic-gate F_SET(dbc->dbp, DB_DBM_ERROR);
380*0Sstevel@tonic-gate }
381*0Sstevel@tonic-gate return (-1);
382*0Sstevel@tonic-gate }
383*0Sstevel@tonic-gate
384*0Sstevel@tonic-gate /*
385*0Sstevel@tonic-gate * Returns:
386*0Sstevel@tonic-gate * 0 on success
387*0Sstevel@tonic-gate * <0 failure
388*0Sstevel@tonic-gate * 1 if DBM_INSERT and entry exists
389*0Sstevel@tonic-gate */
390*0Sstevel@tonic-gate int
__db_ndbm_store(dbm,key,data,flags)391*0Sstevel@tonic-gate __db_ndbm_store(dbm, key, data, flags)
392*0Sstevel@tonic-gate DBM *dbm;
393*0Sstevel@tonic-gate datum key, data;
394*0Sstevel@tonic-gate int flags;
395*0Sstevel@tonic-gate {
396*0Sstevel@tonic-gate DBC *dbc;
397*0Sstevel@tonic-gate DBT _key, _data;
398*0Sstevel@tonic-gate int ret;
399*0Sstevel@tonic-gate
400*0Sstevel@tonic-gate dbc = (DBC *)dbm;
401*0Sstevel@tonic-gate
402*0Sstevel@tonic-gate memset(&_key, 0, sizeof(DBT));
403*0Sstevel@tonic-gate _key.data = key.dptr;
404*0Sstevel@tonic-gate _key.size = key.dsize;
405*0Sstevel@tonic-gate
406*0Sstevel@tonic-gate memset(&_data, 0, sizeof(DBT));
407*0Sstevel@tonic-gate _data.data = data.dptr;
408*0Sstevel@tonic-gate _data.size = data.dsize;
409*0Sstevel@tonic-gate
410*0Sstevel@tonic-gate if ((ret = dbc->dbp->put(dbc->dbp, NULL,
411*0Sstevel@tonic-gate &_key, &_data, flags == DBM_INSERT ? DB_NOOVERWRITE : 0)) == 0)
412*0Sstevel@tonic-gate return (0);
413*0Sstevel@tonic-gate
414*0Sstevel@tonic-gate if (ret == DB_KEYEXIST)
415*0Sstevel@tonic-gate return (1);
416*0Sstevel@tonic-gate
417*0Sstevel@tonic-gate errno = ret;
418*0Sstevel@tonic-gate F_SET(dbc->dbp, DB_DBM_ERROR);
419*0Sstevel@tonic-gate return (-1);
420*0Sstevel@tonic-gate }
421*0Sstevel@tonic-gate
422*0Sstevel@tonic-gate int
__db_ndbm_error(dbm)423*0Sstevel@tonic-gate __db_ndbm_error(dbm)
424*0Sstevel@tonic-gate DBM *dbm;
425*0Sstevel@tonic-gate {
426*0Sstevel@tonic-gate DBC *dbc;
427*0Sstevel@tonic-gate
428*0Sstevel@tonic-gate dbc = (DBC *)dbm;
429*0Sstevel@tonic-gate
430*0Sstevel@tonic-gate return (F_ISSET(dbc->dbp, DB_DBM_ERROR));
431*0Sstevel@tonic-gate }
432*0Sstevel@tonic-gate
433*0Sstevel@tonic-gate int
__db_ndbm_clearerr(dbm)434*0Sstevel@tonic-gate __db_ndbm_clearerr(dbm)
435*0Sstevel@tonic-gate DBM *dbm;
436*0Sstevel@tonic-gate {
437*0Sstevel@tonic-gate DBC *dbc;
438*0Sstevel@tonic-gate
439*0Sstevel@tonic-gate dbc = (DBC *)dbm;
440*0Sstevel@tonic-gate
441*0Sstevel@tonic-gate F_CLR(dbc->dbp, DB_DBM_ERROR);
442*0Sstevel@tonic-gate return (0);
443*0Sstevel@tonic-gate }
444*0Sstevel@tonic-gate
445*0Sstevel@tonic-gate /*
446*0Sstevel@tonic-gate * Returns:
447*0Sstevel@tonic-gate * 1 if read-only
448*0Sstevel@tonic-gate * 0 if not read-only
449*0Sstevel@tonic-gate */
450*0Sstevel@tonic-gate int
__db_ndbm_rdonly(dbm)451*0Sstevel@tonic-gate __db_ndbm_rdonly(dbm)
452*0Sstevel@tonic-gate DBM *dbm;
453*0Sstevel@tonic-gate {
454*0Sstevel@tonic-gate DBC *dbc;
455*0Sstevel@tonic-gate
456*0Sstevel@tonic-gate dbc = (DBC *)dbm;
457*0Sstevel@tonic-gate
458*0Sstevel@tonic-gate return (F_ISSET(dbc->dbp, DB_AM_RDONLY) ? 1 : 0);
459*0Sstevel@tonic-gate }
460*0Sstevel@tonic-gate
461*0Sstevel@tonic-gate /*
462*0Sstevel@tonic-gate * XXX
463*0Sstevel@tonic-gate * We only have a single file descriptor that we can return, not two. Return
464*0Sstevel@tonic-gate * the same one for both files. Hopefully, the user is using it for locking
465*0Sstevel@tonic-gate * and picked one to use at random.
466*0Sstevel@tonic-gate */
467*0Sstevel@tonic-gate int
__db_ndbm_dirfno(dbm)468*0Sstevel@tonic-gate __db_ndbm_dirfno(dbm)
469*0Sstevel@tonic-gate DBM *dbm;
470*0Sstevel@tonic-gate {
471*0Sstevel@tonic-gate return (dbm_pagfno(dbm));
472*0Sstevel@tonic-gate }
473*0Sstevel@tonic-gate
474*0Sstevel@tonic-gate int
__db_ndbm_pagfno(dbm)475*0Sstevel@tonic-gate __db_ndbm_pagfno(dbm)
476*0Sstevel@tonic-gate DBM *dbm;
477*0Sstevel@tonic-gate {
478*0Sstevel@tonic-gate DBC *dbc;
479*0Sstevel@tonic-gate int fd;
480*0Sstevel@tonic-gate
481*0Sstevel@tonic-gate dbc = (DBC *)dbm;
482*0Sstevel@tonic-gate
483*0Sstevel@tonic-gate (void)dbc->dbp->fd(dbc->dbp, &fd);
484*0Sstevel@tonic-gate return (fd);
485*0Sstevel@tonic-gate }
486