ares_ipv6.h (3167B)
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 #ifdef HAVE_NETINET6_IN6_H 31 # include <netinet6/in6.h> 32 #endif 33 34 #if defined(USE_WINSOCK) 35 # if defined(HAVE_IPHLPAPI_H) 36 # include <iphlpapi.h> 37 # endif 38 # if defined(HAVE_NETIOAPI_H) 39 # include <netioapi.h> 40 # endif 41 #endif 42 43 #ifndef HAVE_PF_INET6 44 # define PF_INET6 AF_INET6 45 #endif 46 47 #ifndef HAVE_STRUCT_SOCKADDR_IN6 48 struct sockaddr_in6 { 49 unsigned short sin6_family; 50 unsigned short sin6_port; 51 unsigned long sin6_flowinfo; 52 struct ares_in6_addr sin6_addr; 53 unsigned int sin6_scope_id; 54 }; 55 #endif 56 57 typedef union { 58 struct sockaddr sa; 59 struct sockaddr_in sa4; 60 struct sockaddr_in6 sa6; 61 } ares_sockaddr; 62 63 #ifndef HAVE_STRUCT_ADDRINFO 64 struct addrinfo { 65 int ai_flags; 66 int ai_family; 67 int ai_socktype; 68 int ai_protocol; 69 ares_socklen_t ai_addrlen; /* Follow rfc3493 struct addrinfo */ 70 char *ai_canonname; 71 struct sockaddr *ai_addr; 72 struct addrinfo *ai_next; 73 }; 74 #endif 75 76 #ifndef NS_IN6ADDRSZ 77 # ifndef HAVE_STRUCT_IN6_ADDR 78 /* We cannot have it set to zero, so we pick a fixed value here */ 79 # define NS_IN6ADDRSZ 16 80 # else 81 # define NS_IN6ADDRSZ sizeof(struct in6_addr) 82 # endif 83 #endif 84 85 #ifndef NS_INADDRSZ 86 # define NS_INADDRSZ sizeof(struct in_addr) 87 #endif 88 89 #ifndef NS_INT16SZ 90 # define NS_INT16SZ 2 91 #endif 92 93 /* Windows XP Compatibility with later MSVC/Mingw versions */ 94 #if defined(_WIN32) 95 # if !defined(IF_MAX_STRING_SIZE) 96 # define IF_MAX_STRING_SIZE 256 /* =256 in <ifdef.h> */ 97 # endif 98 # if !defined(NDIS_IF_MAX_STRING_SIZE) 99 # define NDIS_IF_MAX_STRING_SIZE IF_MAX_STRING_SIZE /* =256 in <ifdef.h> */ 100 # endif 101 #endif 102 103 #ifndef IF_NAMESIZE 104 # ifdef IFNAMSIZ 105 # define IF_NAMESIZE IFNAMSIZ 106 # else 107 # define IF_NAMESIZE 32 108 # endif 109 #endif 110 111 /* Defined in inet_net_pton.c for no particular reason. */ 112 extern const struct ares_in6_addr ares_in6addr_any; /* :: */ 113 114 115 #endif /* ARES_IPV6_H */