2 Unix SMB/CIFS implementation.
4 trivial database library
6 Copyright (C) Andrew Tridgell 1999-2005
7 Copyright (C) Paul `Rusty' Russell 2000
8 Copyright (C) Jeremy Allison 2000-2003
10 ** NOTE! The following LGPL license applies to the tdb
11 ** library. This does NOT imply that all of Samba is released
14 This library is free software; you can redistribute it and/or
15 modify it under the terms of the GNU Lesser General Public
16 License as published by the Free Software Foundation; either
17 version 2 of the License, or (at your option) any later version.
19 This library is distributed in the hope that it will be useful,
20 but WITHOUT ANY WARRANTY; without even the implied warranty of
21 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
22 Lesser General Public License for more details.
24 You should have received a copy of the GNU Lesser General Public
25 License along with this library; if not, write to the Free Software
26 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
29 #include "tdb_private.h"
31 static tdb_off_t tdb_dump_record(struct tdb_context *tdb, tdb_off_t offset)
33 struct list_struct rec;
34 tdb_off_t tailer_ofs, tailer;
36 if (tdb_read(tdb, offset, (char *)&rec, sizeof(rec), DOCONV()) == -1) {
37 printf("ERROR: failed to read record at %u\n", offset);
41 printf(" rec: offset=0x%08x next=0x%08x rec_len=%d key_len=%d data_len=%d full_hash=0x%x magic=0x%x\n",
42 offset, rec.next, rec.rec_len, rec.key_len, rec.data_len, rec.full_hash, rec.magic);
44 tailer_ofs = offset + sizeof(rec) + rec.rec_len - sizeof(tdb_off_t);
46 if (tdb_ofs_read(tdb, tailer_ofs, &tailer) == -1) {
47 printf("ERROR: failed to read tailer at %u\n", tailer_ofs);
51 if (tailer != rec.rec_len + sizeof(rec)) {
52 printf("ERROR: tailer does not match record! tailer=%u totalsize=%u\n",
53 (unsigned int)tailer, (unsigned int)(rec.rec_len + sizeof(rec)));
58 static int tdb_dump_chain(struct tdb_context *tdb, int i)
60 tdb_off_t rec_ptr, top;
62 top = TDB_HASH_TOP(i);
64 if (tdb_lock(tdb, i, F_WRLCK) != 0)
67 if (tdb_ofs_read(tdb, top, &rec_ptr) == -1)
68 return tdb_unlock(tdb, i, F_WRLCK);
71 printf("hash=%d\n", i);
74 rec_ptr = tdb_dump_record(tdb, rec_ptr);
77 return tdb_unlock(tdb, i, F_WRLCK);
80 void tdb_dump_all(struct tdb_context *tdb)
83 for (i=0;i<tdb->header.hash_size;i++) {
84 tdb_dump_chain(tdb, i);
86 printf("freelist:\n");
87 tdb_dump_chain(tdb, -1);
90 int tdb_printfreelist(struct tdb_context *tdb)
94 tdb_off_t offset, rec_ptr;
95 struct list_struct rec;
97 if ((ret = tdb_lock(tdb, -1, F_WRLCK)) != 0)
100 offset = FREELIST_TOP;
102 /* read in the freelist top */
103 if (tdb_ofs_read(tdb, offset, &rec_ptr) == -1) {
104 tdb_unlock(tdb, -1, F_WRLCK);
108 printf("freelist top=[0x%08x]\n", rec_ptr );
110 if (tdb_read(tdb, rec_ptr, (char *)&rec, sizeof(rec), DOCONV()) == -1) {
111 tdb_unlock(tdb, -1, F_WRLCK);
115 if (rec.magic != TDB_FREE_MAGIC) {
116 printf("bad magic 0x%08x in free list\n", rec.magic);
117 tdb_unlock(tdb, -1, F_WRLCK);
121 printf("entry offset=[0x%08x], rec.rec_len = [0x%08x (%d)] (end = 0x%08x)\n",
122 rec_ptr, rec.rec_len, rec.rec_len, rec_ptr + rec.rec_len);
123 total_free += rec.rec_len;
125 /* move to the next record */
128 printf("total rec_len = [0x%08x (%d)]\n", (int)total_free,
131 return tdb_unlock(tdb, -1, F_WRLCK);