/* * jabberd - Jabber Open Source Server * Copyright (c) 2002 Jeremie Miller, Thomas Muldowney, * Ryan Eatmon, Robert Norris * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA02111-1307USA */ #ifdef HAVE_CONFIG_H # include <config.h> #endif #ifndef INCL_UTIL_COMPAT_H #define INCL_UTIL_COMPAT_H #ifdef __cplusplus extern "C" { #endif /** * @file util/util_compat.h * @brief define the structures that could be missing in old libc implementations */ #ifndef PF_INET6 # define PF_INET6 10 /**< protcol family for IPv6 */ #endif #ifndef AF_INET6 # define AF_INET6 PF_INET6 /**< address family for IPv6 */ #endif #ifndef INET6_ADDRSTRLEN # define INET6_ADDRSTRLEN 46 /**< maximum length of the string representation of an IPv6 address */ #endif #ifndef IN6_IS_ADDR_V4MAPPED /** check if an IPv6 is just a mapped IPv4 address */ #define IN6_IS_ADDR_V4MAPPED(a) \ ((*(const uint32_t *)(const void *)(&(a)->s6_addr[0]) == 0) && \ (*(const uint32_t *)(const void *)(&(a)->s6_addr[4]) == 0) && \ (*(const uint32_t *)(const void *)(&(a)->s6_addr[8]) == ntohl(0x0000ffff))) #endif #ifndef HAVE_SA_FAMILY_T typedef unsigned short sa_family_t; #endif #ifndef HAVE_STRUCT_IN6_ADDR /** * structure that contains a plain IPv6 address (only defined if * not contained in the libc */ struct in6_addr { uint8_t s6_addr[16]; /**< IPv6 address */ }; #endif /* NO_IN6_ADDR */ #ifndef HAVE_STRUCT_SOCKADDR_IN6 /** * structure that contains an IPv6 including some additional attributes * (only defined if not contained in the libc) */ struct sockaddr_in6 { #ifdef SIN6_LEN uint8_t sin6_len; /**< length of this struct */ #endif /* SIN6_LEN */ sa_family_t sin6_family; /**< address family (AF_INET6) */ in_port_t sin6_port; /**< transport layer port # */ uint32_t sin6_flowinfo; /**< IPv6 traffic class and flow info */ struct in6_addr sin6_addr; /**< IPv6 address */ uint32_t sin6_scope_id; /**< set of interfaces for a scope */ }; #endif /* NO_SOCKADDR_IN6 */ #ifndef HAVE_STRUCT_SOCKADDR_STORAGE /** * container for sockaddr_in and sockaddr_in6 structures, handled like * an object in jabberd2 code * (this definition is not fully compatible with RFC 2553, * but it is enough for us) */ #define _SS_PADSIZE (128-sizeof(sa_family_t)) struct sockaddr_storage { sa_family_t ss_family; /**< address family */ char __ss_pad[_SS_PADSIZE]; /**< padding to a size of 128 bytes */ }; #endif /* NO_SOCKADDR_STORAGE */ #ifdef __cplusplus } #endif #endif /* INCL_UTIL_H */