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 /* 36 * Test driver, to try to tackle the large ugly-split problem. 37 */ 38 39 #include <sys/file.h> 40 #include <stdio.h> 41 #include "ndbm.h" 42 43 int my_hash(key, len) 44 char *key; 45 int len; 46 { 47 return(17); /* So I'm cruel... */ 48 } 49 50 main(argc, argv) 51 int argc; 52 { 53 DB *db; 54 DBT key, content; 55 char keybuf[2049]; 56 char contentbuf[2049]; 57 char buf[256]; 58 int i; 59 HASHINFO info; 60 61 info.bsize = 1024; 62 info.ffactor = 5; 63 info.nelem = 1; 64 info.cachesize = NULL; 65 #ifdef HASH_ID_PROGRAM_SPECIFIED 66 info.hash_id = HASH_ID_PROGRAM_SPECIFIED; 67 info.hash_func = my_hash; 68 #else 69 info.hash = my_hash; 70 #endif 71 info.lorder = 0; 72 if (!(db = dbopen("bigtest", O_RDWR | O_CREAT, 0644, DB_HASH, &info))) { 73 sprintf(buf, "dbopen: failed on file bigtest"); 74 perror(buf); 75 exit(1); 76 } 77 srandom(17); 78 key.data = keybuf; 79 content.data = contentbuf; 80 bzero(keybuf, sizeof(keybuf)); 81 bzero(contentbuf, sizeof(contentbuf)); 82 for (i=1; i <= 500; i++) { 83 key.size = 128 + (random()&1023); 84 content.size = 128 + (random()&1023); 85 /* printf("%d: Key size %d, data size %d\n", i, key.size, 86 content.size); */ 87 sprintf(keybuf, "Key #%d", i); 88 sprintf(contentbuf, "Contents #%d", i); 89 if ((db->put)(db, &key, &content, R_NOOVERWRITE)) { 90 sprintf(buf, "dbm_store #%d", i); 91 perror(buf); 92 } 93 } 94 if ((db->close)(db)) { 95 perror("closing hash file"); 96 exit(1); 97 } 98 exit(0); 99 } 100 101 102 103