keyvalq_struct.h (2603B)
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_KEYVALQ_STRUCT_H_INCLUDED_ 28 #define EVENT2_KEYVALQ_STRUCT_H_INCLUDED_ 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