1 /*	$NetBSD: keyvalq_struct.h,v 1.1.1.2 2015/01/29 06:38:27 spz Exp $	*/
2 /*	$NetBSD: keyvalq_struct.h,v 1.1.1.2 2015/01/29 06:38:27 spz Exp $	*/
3 /*
4  * Copyright (c) 2000-2007 Niels Provos <provos@citi.umich.edu>
5  * Copyright (c) 2007-2012 Niels Provos and Nick Mathewson
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  * 3. The name of the author may not be used to endorse or promote products
16  *    derived from this software without specific prior written permission.
17  *
18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
19  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
20  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
21  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
22  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
23  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
27  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28  */
29 #ifndef _EVENT2_EVENT_KEYVALQ_STRUCT_H_
30 #define _EVENT2_EVENT_KEYVALQ_STRUCT_H_
31 
32 #ifdef __cplusplus
33 extern "C" {
34 #endif
35 
36 /* Fix so that people don't have to run with <sys/queue.h> */
37 /* XXXX This code is duplicated with event_struct.h */
38 #ifndef TAILQ_ENTRY
39 #define _EVENT_DEFINED_TQENTRY
40 #define TAILQ_ENTRY(type)						\
41 struct {								\
42 	struct type *tqe_next;	/* next element */			\
43 	struct type **tqe_prev;	/* address of previous next element */	\
44 }
45 #endif /* !TAILQ_ENTRY */
46 
47 #ifndef TAILQ_HEAD
48 #define _EVENT_DEFINED_TQHEAD
49 #define TAILQ_HEAD(name, type)			\
50 struct name {					\
51 	struct type *tqh_first;			\
52 	struct type **tqh_last;			\
53 }
54 #endif
55 
56 /*
57  * Key-Value pairs.  Can be used for HTTP headers but also for
58  * query argument parsing.
59  */
60 struct evkeyval {
61 	TAILQ_ENTRY(evkeyval) next;
62 
63 	char *key;
64 	char *value;
65 };
66 
67 TAILQ_HEAD (evkeyvalq, evkeyval);
68 
69 /* XXXX This code is duplicated with event_struct.h */
70 #ifdef _EVENT_DEFINED_TQENTRY
71 #undef TAILQ_ENTRY
72 #endif
73 
74 #ifdef _EVENT_DEFINED_TQHEAD
75 #undef TAILQ_HEAD
76 #endif
77 
78 #ifdef __cplusplus
79 }
80 #endif
81 
82 #endif
83