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 "db_join.h"
31 #include "db_error.h"
32
33
34 #include <stdlib.h>
35 #include <string.h>
36
37 /* DB JOIN */
38
39
40
db_join_from_table(const db_join_t * join)41 const char* db_join_from_table(const db_join_t* join) {
42 if (!join) {
43 return NULL;
44 }
45
46 return join->from_table;
47 }
48
db_join_from_field(const db_join_t * join)49 const char* db_join_from_field(const db_join_t* join) {
50 if (!join) {
51 return NULL;
52 }
53
54 return join->from_field;
55 }
56
db_join_to_table(const db_join_t * join)57 const char* db_join_to_table(const db_join_t* join) {
58 if (!join) {
59 return NULL;
60 }
61
62 return join->to_table;
63 }
64
db_join_to_field(const db_join_t * join)65 const char* db_join_to_field(const db_join_t* join) {
66 if (!join) {
67 return NULL;
68 }
69
70 return join->to_field;
71 }
72
db_join_next(const db_join_t * join)73 const db_join_t* db_join_next(const db_join_t* join) {
74 if (!join) {
75 return NULL;
76 }
77
78 return join->next;
79 }
80
81 /* DB JOIN LIST */
82
83
84
db_join_list_begin(const db_join_list_t * join_list)85 const db_join_t* db_join_list_begin(const db_join_list_t* join_list) {
86 if (!join_list) {
87 return NULL;
88 }
89
90 return join_list->begin;
91 }
92