driver2.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[] = "@(#)driver2.c	8.1 (Berkeley) 6/4/93";
45#endif /* not lint */
46
47/*
48 * Test driver, to try to tackle the large ugly-split problem.
49 */
50
51#include <sys/file.h>
52#include <stdio.h>
53#include "ndbm.h"
54
55int my_hash(key, len)
56	char	*key;
57	int	len;
58{
59	return(17);		/* So I'm cruel... */
60}
61
62main(argc, argv)
63	int	argc;
64{
65	DB	*db;
66	DBT	key, content;
67	char	keybuf[2049];
68	char	contentbuf[2049];
69	char	buf[256];
70	int	i;
71	HASHINFO	info;
72
73	info.bsize = 1024;
74	info.ffactor = 5;
75	info.nelem = 1;
76	info.cachesize = NULL;
77#ifdef HASH_ID_PROGRAM_SPECIFIED
78	info.hash_id = HASH_ID_PROGRAM_SPECIFIED;
79	info.hash_func = my_hash;
80#else
81	info.hash = my_hash;
82#endif
83	info.lorder = 0;
84	if (!(db = dbopen("bigtest", O_RDWR | O_CREAT, 0644, DB_HASH, &info))) {
85		sprintf(buf, "dbopen: failed on file bigtest");
86		perror(buf);
87		exit(1);
88	}
89	srandom(17);
90	key.data = keybuf;
91	content.data = contentbuf;
92	bzero(keybuf, sizeof(keybuf));
93	bzero(contentbuf, sizeof(contentbuf));
94	for (i=1; i <= 500; i++) {
95		key.size = 128 + (random()&1023);
96		content.size = 128 + (random()&1023);
97/*		printf("%d: Key size %d, data size %d\n", i, key.size,
98		       content.size); */
99		sprintf(keybuf, "Key #%d", i);
100		sprintf(contentbuf, "Contents #%d", i);
101		if ((db->put)(db, &key, &content, R_NOOVERWRITE)) {
102			sprintf(buf, "dbm_store #%d", i);
103			perror(buf);
104		}
105	}
106	if ((db->close)(db)) {
107		perror("closing hash file");
108		exit(1);
109	}
110	exit(0);
111}
112
113
114
115