xref: /freebsd/lib/libc/db/test/hash.tests/thash4.c (revision e37e8677fe55ddd0685c764e17ac58707787758a)
1 /*-
2  * SPDX-License-Identifier: BSD-3-Clause
3  *
4  * Copyright (c) 1991, 1993
5  *	The Regents of the University of California.  All rights reserved.
6  *
7  * This code is derived from software contributed to Berkeley by
8  * Margo Seltzer.
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions
12  * are met:
13  * 1. Redistributions of source code must retain the above copyright
14  *    notice, this list of conditions and the following disclaimer.
15  * 2. Redistributions in binary form must reproduce the above copyright
16  *    notice, this list of conditions and the following disclaimer in the
17  *    documentation and/or other materials provided with the distribution.
18  * 3. Neither the name of the University nor the names of its contributors
19  *    may be used to endorse or promote products derived from this software
20  *    without specific prior written permission.
21  *
22  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
23  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
26  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32  * SUCH DAMAGE.
33  */
34 
35 #include <sys/types.h>
36 #include <sys/file.h>
37 #include <sys/timeb.h>
38 #include <stdio.h>
39 #include <errno.h>
40 #include <db.h>
41 
42 #define INITIAL	25000
43 #define MAXWORDS    25000	       /* # of elements in search table */
44 
45 /* Usage: thash pagesize fillfactor file */
46 char	wp1[8192];
47 char	wp2[8192];
48 main(argc, argv)
49 char **argv;
50 {
51 	DBT item, key, res;
52 	DB *dbp;
53 	HASHINFO ctl;
54 	FILE *fp;
55 	int	stat;
56 	time_t	t;
57 
58 	int i = 0;
59 
60 	argv++;
61 	ctl.hash = NULL;
62 	ctl.bsize = atoi(*argv++);
63 	ctl.ffactor = atoi(*argv++);
64 	ctl.nelem = atoi(*argv++);
65 	ctl.cachesize = atoi(*argv++);
66 	ctl.lorder = 0;
67 	if (!(dbp = dbopen( NULL, O_CREAT|O_RDWR, 0400, DB_HASH, &ctl))) {
68 		/* create table */
69 		fprintf(stderr, "cannot create: hash table size %d)\n",
70 			INITIAL);
71 		fprintf(stderr, "\terrno: %d\n", errno);
72 		exit(1);
73 	}
74 
75 	key.data = wp1;
76 	item.data = wp2;
77 	while ( fgets(wp1, 8192, stdin) &&
78 		fgets(wp2, 8192, stdin) &&
79 		i++ < MAXWORDS) {
80 /*
81 * put info in structure, and structure in the item
82 */
83 		key.size = strlen(wp1);
84 		item.size = strlen(wp2);
85 
86 /*
87  * enter key/data pair into the table
88  */
89 		if ((dbp->put)(dbp, &key, &item, R_NOOVERWRITE) != NULL) {
90 			fprintf(stderr, "cannot enter: key %s\n",
91 				item.data);
92 			fprintf(stderr, "\terrno: %d\n", errno);
93 			exit(1);
94 		}
95 	}
96 
97 	if ( --argc ) {
98 		fp = fopen ( argv[0], "r");
99 		i = 0;
100 		while ( fgets(wp1, 256, fp) &&
101 			fgets(wp2, 8192, fp) &&
102 			i++ < MAXWORDS) {
103 
104 		    key.size = strlen(wp1);
105 		    stat = (dbp->get)(dbp, &key, &res, 0);
106 		    if (stat < 0 ) {
107 			fprintf ( stderr, "Error retrieving %s\n", key.data );
108 			fprintf(stderr, "\terrno: %d\n", errno);
109 			exit(1);
110 		    } else if ( stat > 0 ) {
111 			fprintf ( stderr, "%s not found\n", key.data );
112 			fprintf(stderr, "\terrno: %d\n", errno);
113 			exit(1);
114 		    }
115 		}
116 		fclose(fp);
117 	}
118 	dbp->close(dbp);
119 	exit(0);
120 }
121