1 /*
2 * Copyright (c) 2000-2007 Niels Provos <provos@citi.umich.edu>
3 * Copyright (c) 2007-2012 Niels Provos and Nick Mathewson
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. The name of the author may not be used to endorse or promote products
14 * derived from this software without specific prior written permission.
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 WARRANTIES
18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
27 #ifndef _EVENT2_EVENT_KEYVALQ_STRUCT_H_
28 #define _EVENT2_EVENT_KEYVALQ_STRUCT_H_
29
30 #ifdef __cplusplus
31 extern "C" {
32 #endif
33
34 /* Fix so that people don't have to run with <sys/queue.h> */
35 /* XXXX This code is duplicated with event_struct.h */
36 #ifndef TAILQ_ENTRY
37 #define _EVENT_DEFINED_TQENTRY
38 #define TAILQ_ENTRY(type) \
39 struct { \
40 struct type *tqe_next; /* next element */ \
41 struct type **tqe_prev; /* address of previous next element */ \
42 }
43 #endif /* !TAILQ_ENTRY */
44
45 #ifndef TAILQ_HEAD
46 #define _EVENT_DEFINED_TQHEAD
47 #define TAILQ_HEAD(name, type) \
48 struct name { \
49 struct type *tqh_first; \
50 struct type **tqh_last; \
51 }
52 #endif
53
54 /*
55 * Key-Value pairs. Can be used for HTTP headers but also for
56 * query argument parsing.
57 */
58 struct evkeyval {
59 TAILQ_ENTRY(evkeyval) next;
60
61 char *key;
62 char *value;
63 };
64
65 TAILQ_HEAD (evkeyvalq, evkeyval);
66
67 /* XXXX This code is duplicated with event_struct.h */
68 #ifdef _EVENT_DEFINED_TQENTRY
69 #undef TAILQ_ENTRY
70 #endif
71
72 #ifdef _EVENT_DEFINED_TQHEAD
73 #undef TAILQ_HEAD
74 #endif
75
76 #ifdef __cplusplus
77 }
78 #endif
79
80 #endif