release/src/router/dnscrypt/src/libevent-modified/include/event2/keyvalq_struct.h

   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