OpenDNSSEC-enforcer  2.0.3
database_version_ext.c
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1 /*
2  * Copyright (c) 2014 Jerry Lundström <lundstrom.jerry@gmail.com>
3  * Copyright (c) 2014 .SE (The Internet Infrastructure Foundation).
4  * Copyright (c) 2014 OpenDNSSEC AB (svb)
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  * notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  * notice, this list of conditions and the following disclaimer in the
14  * documentation and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
18  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19  * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
20  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
22  * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
24  * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
25  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
26  * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27  *
28  */
29 
30 #include "database_version.h"
31 
35  int ret;
36 
37  if (!(database_version_list = database_version_list_new_get(connection))
38  || !(database_version = database_version_list_next(database_version_list)))
39  {
40  database_version_list_free(database_version_list);
41  return 0;
42  }
43  ret = database_version_version(database_version);
44  if (database_version_list_next(database_version_list)) {
45  database_version_list_free(database_version_list);
46  return 0;
47  }
48  database_version_list_free(database_version_list);
49  return ret;
50 }
database_version_list_t * database_version_list_new_get(const db_connection_t *connection)
const database_version_t * database_version_list_next(database_version_list_t *database_version_list)
unsigned int database_version_version(const database_version_t *database_version)
int database_version_get_version(db_connection_t *connection)
void database_version_list_free(database_version_list_t *database_version_list)