blah2/lib/asio-1.26.0/asio/detail/old_win_sdk_compat.hpp
2023-05-04 20:55:37 +09:30

214 lines
4.3 KiB
C++

//
// detail/old_win_sdk_compat.hpp
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2022 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#ifndef ASIO_DETAIL_OLD_WIN_SDK_COMPAT_HPP
#define ASIO_DETAIL_OLD_WIN_SDK_COMPAT_HPP
#if defined(_MSC_VER) && (_MSC_VER >= 1200)
# pragma once
#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
#include "asio/detail/config.hpp"
#if defined(ASIO_WINDOWS) || defined(__CYGWIN__)
// Guess whether we are building against on old Platform SDK.
#if !defined(IN6ADDR_ANY_INIT)
#define ASIO_HAS_OLD_WIN_SDK 1
#endif // !defined(IN6ADDR_ANY_INIT)
#if defined(ASIO_HAS_OLD_WIN_SDK)
// Emulation of types that are missing from old Platform SDKs.
//
// N.B. this emulation is also used if building for a Windows 2000 target with
// a recent (i.e. Vista or later) SDK, as the SDK does not provide IPv6 support
// in that case.
#include "asio/detail/push_options.hpp"
namespace asio {
namespace detail {
enum
{
sockaddr_storage_maxsize = 128, // Maximum size.
sockaddr_storage_alignsize = (sizeof(__int64)), // Desired alignment.
sockaddr_storage_pad1size = (sockaddr_storage_alignsize - sizeof(short)),
sockaddr_storage_pad2size = (sockaddr_storage_maxsize -
(sizeof(short) + sockaddr_storage_pad1size + sockaddr_storage_alignsize))
};
struct sockaddr_storage_emulation
{
short ss_family;
char __ss_pad1[sockaddr_storage_pad1size];
__int64 __ss_align;
char __ss_pad2[sockaddr_storage_pad2size];
};
struct in6_addr_emulation
{
union
{
u_char Byte[16];
u_short Word[8];
} u;
};
#if !defined(s6_addr)
# define _S6_un u
# define _S6_u8 Byte
# define s6_addr _S6_un._S6_u8
#endif // !defined(s6_addr)
struct sockaddr_in6_emulation
{
short sin6_family;
u_short sin6_port;
u_long sin6_flowinfo;
in6_addr_emulation sin6_addr;
u_long sin6_scope_id;
};
struct ipv6_mreq_emulation
{
in6_addr_emulation ipv6mr_multiaddr;
unsigned int ipv6mr_interface;
};
struct addrinfo_emulation
{
int ai_flags;
int ai_family;
int ai_socktype;
int ai_protocol;
size_t ai_addrlen;
char* ai_canonname;
sockaddr* ai_addr;
addrinfo_emulation* ai_next;
};
#if !defined(AI_PASSIVE)
# define AI_PASSIVE 0x1
#endif
#if !defined(AI_CANONNAME)
# define AI_CANONNAME 0x2
#endif
#if !defined(AI_NUMERICHOST)
# define AI_NUMERICHOST 0x4
#endif
#if !defined(EAI_AGAIN)
# define EAI_AGAIN WSATRY_AGAIN
#endif
#if !defined(EAI_BADFLAGS)
# define EAI_BADFLAGS WSAEINVAL
#endif
#if !defined(EAI_FAIL)
# define EAI_FAIL WSANO_RECOVERY
#endif
#if !defined(EAI_FAMILY)
# define EAI_FAMILY WSAEAFNOSUPPORT
#endif
#if !defined(EAI_MEMORY)
# define EAI_MEMORY WSA_NOT_ENOUGH_MEMORY
#endif
#if !defined(EAI_NODATA)
# define EAI_NODATA WSANO_DATA
#endif
#if !defined(EAI_NONAME)
# define EAI_NONAME WSAHOST_NOT_FOUND
#endif
#if !defined(EAI_SERVICE)
# define EAI_SERVICE WSATYPE_NOT_FOUND
#endif
#if !defined(EAI_SOCKTYPE)
# define EAI_SOCKTYPE WSAESOCKTNOSUPPORT
#endif
#if !defined(NI_NOFQDN)
# define NI_NOFQDN 0x01
#endif
#if !defined(NI_NUMERICHOST)
# define NI_NUMERICHOST 0x02
#endif
#if !defined(NI_NAMEREQD)
# define NI_NAMEREQD 0x04
#endif
#if !defined(NI_NUMERICSERV)
# define NI_NUMERICSERV 0x08
#endif
#if !defined(NI_DGRAM)
# define NI_DGRAM 0x10
#endif
#if !defined(IPPROTO_IPV6)
# define IPPROTO_IPV6 41
#endif
#if !defined(IPV6_UNICAST_HOPS)
# define IPV6_UNICAST_HOPS 4
#endif
#if !defined(IPV6_MULTICAST_IF)
# define IPV6_MULTICAST_IF 9
#endif
#if !defined(IPV6_MULTICAST_HOPS)
# define IPV6_MULTICAST_HOPS 10
#endif
#if !defined(IPV6_MULTICAST_LOOP)
# define IPV6_MULTICAST_LOOP 11
#endif
#if !defined(IPV6_JOIN_GROUP)
# define IPV6_JOIN_GROUP 12
#endif
#if !defined(IPV6_LEAVE_GROUP)
# define IPV6_LEAVE_GROUP 13
#endif
} // namespace detail
} // namespace asio
#include "asio/detail/pop_options.hpp"
#endif // defined(ASIO_HAS_OLD_WIN_SDK)
// Even newer Platform SDKs that support IPv6 may not define IPV6_V6ONLY.
#if !defined(IPV6_V6ONLY)
# define IPV6_V6ONLY 27
#endif
// Some SDKs (e.g. Windows CE) don't define IPPROTO_ICMPV6.
#if !defined(IPPROTO_ICMPV6)
# define IPPROTO_ICMPV6 58
#endif
#endif // defined(ASIO_WINDOWS) || defined(__CYGWIN__)
#endif // ASIO_DETAIL_OLD_WIN_SDK_COMPAT_HPP