1 /* 2 * nghttp3 3 * 4 * Copyright (c) 2022 nghttp3 contributors 5 * Copyright (c) 2022 ngtcp2 contributors 6 * 7 * Permission is hereby granted, free of charge, to any person obtaining 8 * a copy of this software and associated documentation files (the 9 * "Software"), to deal in the Software without restriction, including 10 * without limitation the rights to use, copy, modify, merge, publish, 11 * distribute, sublicense, and/or sell copies of the Software, and to 12 * permit persons to whom the Software is furnished to do so, subject to 13 * the following conditions: 14 * 15 * The above copyright notice and this permission notice shall be 16 * included in all copies or substantial portions of the Software. 17 * 18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 19 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 21 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE 22 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION 23 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION 24 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 25 */ 26 #ifndef NGHTTP3_OPL_H 27 #define NGHTTP3_OPL_H 28 29 #ifdef HAVE_CONFIG_H 30 # include <config.h> 31 #endif /* HAVE_CONFIG_H */ 32 33 #include <nghttp3/nghttp3.h> 34 35 typedef struct nghttp3_opl_entry nghttp3_opl_entry; 36 37 struct nghttp3_opl_entry { 38 nghttp3_opl_entry *next; 39 }; 40 41 /* 42 * nghttp3_opl is an object memory pool. 43 */ 44 typedef struct nghttp3_opl { 45 nghttp3_opl_entry *head; 46 } nghttp3_opl; 47 48 /* 49 * nghttp3_opl_init initializes |opl|. 50 */ 51 void nghttp3_opl_init(nghttp3_opl *opl); 52 53 /* 54 * nghttp3_opl_push inserts |ent| to |opl| head. 55 */ 56 void nghttp3_opl_push(nghttp3_opl *opl, nghttp3_opl_entry *ent); 57 58 /* 59 * nghttp3_opl_pop removes the first nghttp3_opl_entry from |opl| and 60 * returns it. If |opl| does not have any entry, it returns NULL. 61 */ 62 nghttp3_opl_entry *nghttp3_opl_pop(nghttp3_opl *opl); 63 64 void nghttp3_opl_clear(nghttp3_opl *opl); 65 66 #endif /* NGHTTP3_OPL_H */ 67