tcreat3.c revision 8870 
1/*-
2 * Copyright (c) 1991, 1993
3 *	The Regents of the University of California.  All rights reserved.
4 *
5 * This code is derived from software contributed to Berkeley by
6 * Margo Seltzer.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 *    notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 *    notice, this list of conditions and the following disclaimer in the
15 *    documentation and/or other materials provided with the distribution.
16 * 3. All advertising materials mentioning features or use of this software
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
22 *    without specific prior written permission.
23 *
24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 * SUCH DAMAGE.
35 */
36
37#ifndef lint
38static char copyright[] =
39"@(#) Copyright (c) 1991, 1993\n\
40	The Regents of the University of California.  All rights reserved.\n";
41#endif /* not lint */
42
43#ifndef lint
44static char sccsid[] = "@(#)tcreat3.c	8.1 (Berkeley) 6/4/93";
45#endif /* not lint */
46
47#include <sys/types.h>
48#include <sys/file.h>
49#include <stdio.h>
50#include <db.h>
51
52#define INITIAL	25000
53#define MAXWORDS    25000	       /* # of elements in search table */
54
55char	wp1[8192];
56char	wp2[8192];
57main(argc, argv)
58char **argv;
59{
60	DBT item, key;
61	DB	*dbp;
62	HASHINFO ctl;
63	FILE *fp;
64	int	trash;
65
66	int i = 0;
67
68	argv++;
69	ctl.hash = NULL;
70	ctl.bsize = atoi(*argv++);
71	ctl.ffactor = atoi(*argv++);
72	ctl.nelem = atoi(*argv++);
73	ctl.lorder = 0;
74	if (!(dbp = dbopen( "hashtest",
75	    O_CREAT|O_TRUNC|O_RDWR, 0600, DB_HASH, &ctl))){
76		/* create table */
77		fprintf(stderr, "cannot create: hash table (size %d)\n",
78			INITIAL);
79		exit(1);
80	}
81
82	key.data = wp1;
83	item.data = wp2;
84	while ( fgets(wp1, 8192, stdin) &&
85		fgets(wp2, 8192, stdin) &&
86		i++ < MAXWORDS) {
87/*
88* put info in structure, and structure in the item
89*/
90		key.size = strlen(wp1);
91		item.size = strlen(wp2);
92
93/*
94 * enter key/data pair into the table
95 */
96		if ((dbp->put)(dbp, &key, &item, R_NOOVERWRITE) != NULL) {
97			fprintf(stderr, "cannot enter: key %s\n",
98				item.data);
99			exit(1);
100		}
101	}
102
103	(dbp->close)(dbp);
104	exit(0);
105}
106