2 * Copyright (c) 1990, 1993
3 * The Regents of the University of California. All rights reserved.
5 * This code is derived from software contributed to Berkeley by
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9 * modification, are permitted provided that the following conditions
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17 * must display the following acknowledgement:
18 * This product includes software developed by the University of
19 * California, Berkeley and its contributors.
20 * 4. Neither the name of the University nor the names of its contributors
21 * may be used to endorse or promote products derived from this software
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37 #if defined(LIBC_SCCS) && !defined(lint)
38 static char sccsid[] = "@(#)ndbm.c 8.4 (Berkeley) 7/21/94";
39 #endif /* LIBC_SCCS and not lint */
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(file, flags, mode)
66 char path[MAXPATHLEN];
75 if( strlen(file) >= sizeof(path) - strlen(DBM_SUFFIX)) {
79 (void)strcpy(path, file);
80 (void)strcat(path, DBM_SUFFIX);
81 return ((DBM *)__hash_open(path, flags, mode, &info, 0));
88 (void)(db->close)(db);
103 DBT dbtkey, dbtretdata;
105 dbtkey.data = key.dptr;
106 dbtkey.size = key.dsize;
107 status = (db->get)(db, &dbtkey, &dbtretdata, 0);
109 dbtretdata.data = NULL;
112 retdata.dptr = dbtretdata.data;
113 retdata.dsize = dbtretdata.size;
128 DBT dbtretkey, dbtretdata;
130 status = (db->seq)(db, &dbtretkey, &dbtretdata, R_FIRST);
132 dbtretkey.data = NULL;
133 retkey.dptr = dbtretkey.data;
134 retkey.dsize = dbtretkey.size;
149 DBT dbtretkey, dbtretdata;
151 status = (db->seq)(db, &dbtretkey, &dbtretdata, R_NEXT);
153 dbtretkey.data = NULL;
154 retkey.dptr = dbtretkey.data;
155 retkey.dsize = dbtretkey.size;
172 dbtkey.data = key.dptr;
173 dbtkey.size = key.dsize;
174 status = (db->del)(db, &dbtkey, 0);
185 * 1 if DBM_INSERT and entry exists
188 dbm_store(db, key, data, flags)
195 dbtkey.data = key.dptr;
196 dbtkey.size = key.dsize;
197 dbtdata.data = data.dptr;
198 dbtdata.size = data.dsize;
199 return ((db->put)(db, &dbtkey, &dbtdata,
200 (flags == DBM_INSERT) ? R_NOOVERWRITE : 0));
209 hp = (HTAB *)db->internal;
219 hp = (HTAB *)db->internal;
228 return(((HTAB *)db->internal)->fp);