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Diffstat (limited to 'dbm/src/ndbm.c')
| -rw-r--r-- | dbm/src/ndbm.c | 195 |
1 files changed, 0 insertions, 195 deletions
diff --git a/dbm/src/ndbm.c b/dbm/src/ndbm.c deleted file mode 100644 index ca008de0c..000000000 --- a/dbm/src/ndbm.c +++ /dev/null @@ -1,195 +0,0 @@ -/*- - * Copyright (c) 1990, 1993 - * The Regents of the University of California. All rights reserved. - * - * This code is derived from software contributed to Berkeley by - * Margo Seltzer. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by the University of - * California, Berkeley and its contributors. - * 4. Neither the name of the University nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - */ - -#if defined(LIBC_SCCS) && !defined(lint) -static char sccsid[] = "@(#)ndbm.c 8.4 (Berkeley) 7/21/94"; -#endif /* LIBC_SCCS and not lint */ - -#include "watcomfx.h" - -/* - * This package provides a dbm compatible interface to the new hashing - * package described in db(3). - */ -#if !defined(_WIN32) && !defined(_WINDOWS) && !defined(XP_OS2_VACPP) -#include <sys/param.h> -#endif - -#if defined(__linux) -#include <linux/limits.h> -#endif - -#include <stdio.h> -#include <string.h> - -#include "ndbm.h" -#include "hash.h" - -/* - * Returns: - * *DBM on success - * NULL on failure - */ -extern DBM * -dbm_open(const char *file, int flags, int mode) -{ - HASHINFO info; - char path[MAXPATHLEN]; - - info.bsize = 4096; - info.ffactor = 40; - info.nelem = 1; - info.cachesize = 0; - info.hash = NULL; - info.lorder = 0; - (void)strcpy(path, file); - (void)strcat(path, DBM_SUFFIX); - return ((DBM *)__hash_open(path, flags, mode, &info, 0)); -} - -extern void -dbm_close(DBM *db) -{ - (void)(db->close)(db); -} - -/* - * Returns: - * DATUM on success - * NULL on failure - */ -extern datum -dbm_fetch(DBM *db, datum key) -{ - datum retval; - int status; - - status = (db->get)(db, (DBT *)&key, (DBT *)&retval, 0); - if (status) { - retval.dptr = NULL; - retval.dsize = 0; - } - return (retval); -} - -/* - * Returns: - * DATUM on success - * NULL on failure - */ -extern datum -dbm_firstkey(DBM *db) -{ - int status; - datum retdata, retkey; - - status = (db->seq)(db, (DBT *)&retkey, (DBT *)&retdata, R_FIRST); - if (status) - retkey.dptr = NULL; - return (retkey); -} - -/* - * Returns: - * DATUM on success - * NULL on failure - */ -extern datum -dbm_nextkey(DBM *db) -{ - int status; - datum retdata, retkey; - - status = (db->seq)(db, (DBT *)&retkey, (DBT *)&retdata, R_NEXT); - if (status) - retkey.dptr = NULL; - return (retkey); -} -/* - * Returns: - * 0 on success - * <0 failure - */ -extern int -dbm_delete(DBM *db, datum key) -{ - int status; - - status = (db->del)(db, (DBT *)&key, 0); - if (status) - return (-1); - else - return (0); -} - -/* - * Returns: - * 0 on success - * <0 failure - * 1 if DBM_INSERT and entry exists - */ -extern int -dbm_store(DBM *db, datum key, datum content, int flags) -{ - return ((db->put)(db, (DBT *)&key, (DBT *)&content, - (flags == DBM_INSERT) ? R_NOOVERWRITE : 0)); -} - - -extern int -dbm_error(DBM *db) -{ - HTAB *hp; - - hp = (HTAB *)db->internal; - return (hp->dbmerrno); -} - -extern int -dbm_clearerr(DBM *db) -{ - HTAB *hp; - - hp = (HTAB *)db->internal; - hp->dbmerrno = 0; - return (0); -} - -extern int -dbm_dirfno(DBM *db) -{ - return(((HTAB *)db->internal)->fp); -} |