1 /*-
2 * Copyright (c) 1995
3 * The President and Fellows of Harvard University
4 *
5 * This code is derived from software contributed to Harvard by
6 * Jeremy Rassen.
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 #if defined(LIBC_SCCS) && !defined(lint)
38 static char sccsid[] = "@(#)hash_debug.c 8.4 (Berkeley) 11/7/95";
39 #endif /* LIBC_SCCS and not lint */
40
41 #ifdef DEBUG
42 /*
43 * PACKAGE: hashing
44 *
45 * DESCRIPTION:
46 * Debug routines.
47 *
48 * ROUTINES:
49 *
50 * External
51 * __dump_bucket
52 */
53 #include <stdio.h>
54 #include <string.h>
55
56 #include "db-int.h"
57 #include "hash.h"
58 #include "page.h"
59 #include "extern.h"
60
61 void
__dump_bucket(hashp,bucket)62 __dump_bucket(hashp, bucket)
63 HTAB *hashp;
64 u_int32_t bucket;
65 {
66 CURSOR cursor;
67 DBT key, val;
68 ITEM_INFO item_info;
69 int var;
70 char *cp;
71
72 cursor.pagep = NULL;
73 item_info.seek_size = 0;
74 item_info.seek_found_page = 0;
75
76 __get_item_reset(hashp, &cursor);
77
78 cursor.bucket = bucket;
79 for (;;) {
80 __get_item_next(hashp, &cursor, &key, &val, &item_info);
81 if (item_info.status == ITEM_ERROR) {
82 (void)printf("get_item_next returned error\n");
83 break;
84 } else if (item_info.status == ITEM_NO_MORE)
85 break;
86
87 if (item_info.key_off == BIGPAIR) {
88 if (__big_keydata(hashp, cursor.pagep, &key, &val,
89 item_info.pgndx)) {
90 (void)printf("__big_keydata returned error\n");
91 break;
92 }
93 }
94
95 if (key.size == sizeof(int)) {
96 memcpy(&var, key.data, sizeof(int));
97 (void)printf("%d\n", var);
98 } else {
99 for (cp = (char *)key.data; key.size--; cp++)
100 (void)printf("%c", *cp);
101 (void)printf("\n");
102 }
103 }
104 __get_item_done(hashp, &cursor);
105 }
106 #endif /* DEBUG */
107