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authorZhang Qiang <qiang.z.zhang@intel.com>2012-05-29 11:25:24 +0800
committerZhang Qiang <qiang.z.zhang@intel.com>2012-05-29 11:25:24 +0800
commite776056ea09ba0b6d9505ced6913c9190a12d632 (patch)
tree092838f2a86042abc586aa5576e36ae6cb47e256 /test/hash.tests/tdel.c
parent2e082c838d2ca750f5daac6dcdabecc22dfd4e46 (diff)
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updated with Tizen:Base source codes
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+/*-
+ * 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.
+ * 3. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * This product includes software developed by the University of
+ * California, Berkeley and its contributors.
+ * 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 */
+
+#ifndef lint
+static char sccsid[] = "@(#)tdel.c 8.1 (Berkeley) 6/4/93";
+#endif /* not lint */
+
+#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);
+}