1 /*	$NetBSD: keyvalq_struct.h,v 1.1.1.1 2013/04/11 16:43:34 christos Exp $	*/
2 /*
3  * Copyright (c) 2000-2007 Niels Provos <provos@citi.umich.edu>
4  * Copyright (c) 2007-2012 Niels Provos and Nick Mathewson
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  * 1. Redistributions of source code must retain the above copyright
10  *    notice, this list of conditions and the following disclaimer.
11  * 2. Redistributions in binary form must reproduce the above copyright
12  *    notice, this list of conditions and the following disclaimer in the
13  *    documentation and/or other materials provided with the distribution.
14  * 3. The name of the author may not be used to endorse or promote products
15  *    derived from this software without specific prior written permission.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27  */
28 #ifndef _EVENT2_EVENT_KEYVALQ_STRUCT_H_
29 #define _EVENT2_EVENT_KEYVALQ_STRUCT_H_
30 
31 #ifdef __cplusplus
32 extern "C" {
33 #endif
34 
35 /* Fix so that people don't have to run with <sys/queue.h> */
36 /* XXXX This code is duplicated with event_struct.h */
37 #ifndef TAILQ_ENTRY
38 #define _EVENT_DEFINED_TQENTRY
39 #define TAILQ_ENTRY(type)						\
40 struct {								\
41 	struct type *tqe_next;	/* next element */			\
42 	struct type **tqe_prev;	/* address of previous next element */	\
43 }
44 #endif /* !TAILQ_ENTRY */
45 
46 #ifndef TAILQ_HEAD
47 #define _EVENT_DEFINED_TQHEAD
48 #define TAILQ_HEAD(name, type)			\
49 struct name {					\
50 	struct type *tqh_first;			\
51 	struct type **tqh_last;			\
52 }
53 #endif
54 
55 /*
56  * Key-Value pairs.  Can be used for HTTP headers but also for
57  * query argument parsing.
58  */
59 struct evkeyval {
60 	TAILQ_ENTRY(evkeyval) next;
61 
62 	char *key;
63 	char *value;
64 };
65 
66 TAILQ_HEAD (evkeyvalq, evkeyval);
67 
68 /* XXXX This code is duplicated with event_struct.h */
69 #ifdef _EVENT_DEFINED_TQENTRY
70 #undef TAILQ_ENTRY
71 #endif
72 
73 #ifdef _EVENT_DEFINED_TQHEAD
74 #undef TAILQ_HEAD
75 #endif
76 
77 #ifdef __cplusplus
78 }
79 #endif
80 
81 #endif
82