tread2.c revision 1574 
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[] = "@(#)tread2.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
55typedef struct {		       /* info to be stored */
56	int num, siz;
57} info;
58
59char	wp1[8192];
60char	wp2[8192];
61main(argc, argv)
62char **argv;
63{
64	DBT item, key, res;
65	DB	*dbp;
66	HASHINFO ctl;
67	int	stat;
68
69	int i = 0;
70
71	ctl.nelem = INITIAL;
72	ctl.hash = NULL;
73	ctl.bsize = 64;
74	ctl.ffactor = 1;
75	ctl.cachesize = atoi(*argv++);
76	ctl.lorder = 0;
77	if (!(dbp = dbopen( "hashtest", O_RDONLY, 0400, DB_HASH, &ctl))) {
78		/* create table */
79		fprintf(stderr, "cannot open: hash table\n" );
80		exit(1);
81	}
82
83	key.data = wp1;
84	item.data = wp2;
85	while ( fgets(wp1, 8192, stdin) &&
86		fgets(wp2, 8192, stdin) &&
87		i++ < MAXWORDS) {
88/*
89* put info in structure, and structure in the item
90*/
91		key.size = strlen(wp1);
92		item.size = strlen(wp2);
93
94		stat = (dbp->get)(dbp, &key, &res,0);
95		if (stat < 0) {
96		    fprintf ( stderr, "Error retrieving %s\n", key.data );
97		    exit(1);
98		} else if ( stat > 0 ) {
99		    fprintf ( stderr, "%s not found\n", key.data );
100		    exit(1);
101		}
102	}
103	(dbp->close)(dbp);
104	exit(0);
105}
106