1 /* MIT License 2 * 3 * Copyright (c) 2005 Dominick Meglio 4 * 5 * Permission is hereby granted, free of charge, to any person obtaining a copy 6 * of this software and associated documentation files (the "Software"), to deal 7 * in the Software without restriction, including without limitation the rights 8 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 9 * copies of the Software, and to permit persons to whom the Software is 10 * furnished to do so, subject to the following conditions: 11 * 12 * The above copyright notice and this permission notice (including the next 13 * paragraph) shall be included in all copies or substantial portions of the 14 * Software. 15 * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 19 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 22 * SOFTWARE. 23 * 24 * SPDX-License-Identifier: MIT 25 */ 26 27 #ifndef ARES_IPV6_H 28 #define ARES_IPV6_H 29 30 #ifndef HAVE_PF_INET6 31 # define PF_INET6 AF_INET6 32 #endif 33 34 #ifndef HAVE_STRUCT_SOCKADDR_IN6 35 struct sockaddr_in6 { 36 unsigned short sin6_family; 37 unsigned short sin6_port; 38 unsigned long sin6_flowinfo; 39 struct ares_in6_addr sin6_addr; 40 unsigned int sin6_scope_id; 41 }; 42 #endif 43 44 typedef union { 45 struct sockaddr sa; 46 struct sockaddr_in sa4; 47 struct sockaddr_in6 sa6; 48 } ares_sockaddr; 49 50 #ifndef HAVE_STRUCT_ADDRINFO 51 struct addrinfo { 52 int ai_flags; 53 int ai_family; 54 int ai_socktype; 55 int ai_protocol; 56 ares_socklen_t ai_addrlen; /* Follow rfc3493 struct addrinfo */ 57 char *ai_canonname; 58 struct sockaddr *ai_addr; 59 struct addrinfo *ai_next; 60 }; 61 #endif 62 63 #ifndef NS_IN6ADDRSZ 64 # ifndef HAVE_STRUCT_IN6_ADDR 65 /* We cannot have it set to zero, so we pick a fixed value here */ 66 # define NS_IN6ADDRSZ 16 67 # else 68 # define NS_IN6ADDRSZ sizeof(struct in6_addr) 69 # endif 70 #endif 71 72 #ifndef NS_INADDRSZ 73 # define NS_INADDRSZ sizeof(struct in_addr) 74 #endif 75 76 #ifndef NS_INT16SZ 77 # define NS_INT16SZ 2 78 #endif 79 80 #ifndef IF_NAMESIZE 81 # ifdef IFNAMSIZ 82 # define IF_NAMESIZE IFNAMSIZ 83 # else 84 # define IF_NAMESIZE 256 85 # endif 86 #endif 87 88 /* Defined in inet_net_pton.c for no particular reason. */ 89 extern const struct ares_in6_addr ares_in6addr_any; /* :: */ 90 91 92 #endif /* ARES_IPV6_H */ 93