2 * SPDX-License-Identifier: BSD-3-Clause
4 * Copyright (c) 1990, 1993
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7 * This code is derived from software contributed to Berkeley by
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35 #if defined(LIBC_SCCS) && !defined(lint)
36 static char sccsid[] = "@(#)ndbm.c 8.4 (Berkeley) 7/21/94";
37 #endif /* LIBC_SCCS and not lint */
38 #include <sys/cdefs.h>
39 __FBSDID("$FreeBSD$");
42 * This package provides a dbm compatible interface to the new hashing
43 * package described in db(3).
46 #include <sys/param.h>
61 dbm_open(const char *file, int flags, mode_t mode)
64 char path[MAXPATHLEN];
73 if( strlen(file) >= sizeof(path) - strlen(DBM_SUFFIX)) {
77 (void)strcpy(path, file);
78 (void)strcat(path, DBM_SUFFIX);
79 return ((DBM *)__hash_open(path, flags, mode, &info, 0));
85 (void)(db->close)(db);
94 dbm_fetch(DBM *db, datum key)
98 DBT dbtkey, dbtretdata;
100 dbtkey.data = key.dptr;
101 dbtkey.size = key.dsize;
102 status = (db->get)(db, &dbtkey, &dbtretdata, 0);
104 dbtretdata.data = NULL;
107 retdata.dptr = dbtretdata.data;
108 retdata.dsize = dbtretdata.size;
118 dbm_firstkey(DBM *db)
122 DBT dbtretkey, dbtretdata;
124 status = (db->seq)(db, &dbtretkey, &dbtretdata, R_FIRST);
126 dbtretkey.data = NULL;
127 retkey.dptr = dbtretkey.data;
128 retkey.dsize = dbtretkey.size;
142 DBT dbtretkey, dbtretdata;
144 status = (db->seq)(db, &dbtretkey, &dbtretdata, R_NEXT);
146 dbtretkey.data = NULL;
147 retkey.dptr = dbtretkey.data;
148 retkey.dsize = dbtretkey.size;
158 dbm_delete(DBM *db, datum key)
163 dbtkey.data = key.dptr;
164 dbtkey.size = key.dsize;
165 status = (db->del)(db, &dbtkey, 0);
176 * 1 if DBM_INSERT and entry exists
179 dbm_store(DBM *db, datum key, datum data, int flags)
183 dbtkey.data = key.dptr;
184 dbtkey.size = key.dsize;
185 dbtdata.data = data.dptr;
186 dbtdata.size = data.dsize;
187 return ((db->put)(db, &dbtkey, &dbtdata,
188 (flags == DBM_INSERT) ? R_NOOVERWRITE : 0));
196 hp = (HTAB *)db->internal;
201 dbm_clearerr(DBM *db)
205 hp = (HTAB *)db->internal;
213 return(((HTAB *)db->internal)->fp);