Current Path : /usr/src/lib/libc/db/test/hash.tests/ |
FreeBSD hs32.drive.ne.jp 9.1-RELEASE FreeBSD 9.1-RELEASE #1: Wed Jan 14 12:18:08 JST 2015 root@hs32.drive.ne.jp:/sys/amd64/compile/hs32 amd64 |
Current File : //usr/src/lib/libc/db/test/hash.tests/tdel.c |
/*- * Copyright (c) 1991, 1993 * The Regents of the University of California. All rights reserved. * * This code is derived from software contributed to Berkeley by * Margo Seltzer. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 4. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #ifndef lint static char copyright[] = "@(#) Copyright (c) 1991, 1993\n\ The Regents of the University of California. All rights reserved.\n"; #endif /* not lint */ #if defined(LIBC_SCCS) && !defined(lint) static char sccsid[] = "@(#)tdel.c 8.1 (Berkeley) 6/4/93"; #endif /* LIBC_SCCS and not lint */ #include <sys/cdefs.h> __FBSDID("$FreeBSD: release/9.1.0/lib/libc/db/test/hash.tests/tdel.c 165903 2007-01-09 00:28:16Z imp $"); #include <sys/types.h> #include <sys/file.h> #include <db.h> #include <stdio.h> #define INITIAL 25000 #define MAXWORDS 25000 /* # of elements in search table */ /* Usage: thash pagesize fillfactor file */ char wp1[8192]; char wp2[8192]; main(argc, argv) char **argv; { DBT item, key; DB *dbp; HASHINFO ctl; FILE *fp; int stat; int i = 0; argv++; ctl.nelem = INITIAL; ctl.hash = NULL; ctl.bsize = atoi(*argv++); ctl.ffactor = atoi(*argv++); ctl.cachesize = 1024 * 1024; /* 1 MEG */ ctl.lorder = 0; argc -= 2; if (!(dbp = dbopen( NULL, O_CREAT|O_RDWR, 0400, DB_HASH, &ctl))) { /* create table */ fprintf(stderr, "cannot create: hash table size %d)\n", INITIAL); exit(1); } key.data = wp1; item.data = wp2; while ( fgets(wp1, 8192, stdin) && fgets(wp2, 8192, stdin) && i++ < MAXWORDS) { /* * put info in structure, and structure in the item */ key.size = strlen(wp1); item.size = strlen(wp2); /* * enter key/data pair into the table */ if ((dbp->put)(dbp, &key, &item, R_NOOVERWRITE) != NULL) { fprintf(stderr, "cannot enter: key %s\n", item.data); exit(1); } } if ( --argc ) { fp = fopen ( argv[0], "r"); i = 0; while ( fgets(wp1, 8192, fp) && fgets(wp2, 8192, fp) && i++ < MAXWORDS) { key.size = strlen(wp1); stat = (dbp->del)(dbp, &key, 0); if (stat) { fprintf ( stderr, "Error retrieving %s\n", key.data ); exit(1); } } fclose(fp); } (dbp->close)(dbp); exit(0); }