/* net_sys.h common network system header Copyright (C) 2007-2010 O.Sezer 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: Free Software Foundation, Inc. 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ #if defined(_USE_SDLNET) /* can not use the IP banning mechanism in net_dgrm.c with limited SDL_net functionality. */ #undef BAN_TEST #undef HAVE_SA_LEN #define sys_socket_t int #define INVALID_SOCKET (-1) #define SOCKET_ERROR (-1) #ifndef MAXHOSTNAMELEN #define MAXHOSTNAMELEN 256 #endif #ifndef AF_INET #define AF_INET 2 /* internet */ #endif #ifndef INADDR_LOOPBACK #define INADDR_LOOPBACK 0x7f000001 /* 127.0.0.1 */ #endif #ifndef __NET_SYS_H__ #define __NET_SYS_H__ /* the rest below are not needed. */ #endif #endif /* _USE_SDLNET */ #ifndef __NET_SYS_H__ #define __NET_SYS_H__ #include #include #include #include #if defined(__FreeBSD__) || defined(__DragonFly__) || \ defined(__OpenBSD__) || defined(__NetBSD__) || \ defined(__MACOSX__) /* struct sockaddr has unsigned char sa_len as the first member in BSD * variants and the family member is also an unsigned char instead of an * unsigned short. This should matter only when PLATFORM_UNIX is defined, * however, checking for the offset of sa_family in every platform that * provide a struct sockaddr doesn't hurt either (see down below for the * compile time asserts.) */ #define HAVE_SA_LEN 1 #define SA_FAM_OFFSET 1 #else #undef HAVE_SA_LEN #define SA_FAM_OFFSET 0 #endif /* BSD, sockaddr */ /* unix includes and compatibility macros */ #if defined(PLATFORM_UNIX) || defined(PLATFORM_AMIGA) #include #include #include #if defined(__sun) || defined(sun) #include #endif /* __sunos__ */ #if defined(PLATFORM_AMIGA) #include #endif #include #include #include #include typedef int sys_socket_t; #define INVALID_SOCKET (-1) #define SOCKET_ERROR (-1) #if defined(PLATFORM_AMIGA) typedef int socklen_t; #define SOCKETERRNO Errno() #define ioctlsocket IoctlSocket #define closesocket CloseSocket #else #define SOCKETERRNO errno #define ioctlsocket ioctl #define closesocket close #endif #define socketerror(x) strerror((x)) /* Verify that we defined HAVE_SA_LEN correctly: */ COMPILE_TIME_ASSERT(sockaddr, offsetof(struct sockaddr, sa_family) == SA_FAM_OFFSET); #endif /* end of unix stuff */ /* windows includes and compatibility macros */ #if defined(PLATFORM_WINDOWS) /* NOTE: winsock[2].h already includes windows.h */ #if !defined(_USE_WINSOCK2) #include #else #include #include #endif /* there is no in_addr_t on windows: define it as the type of the S_addr of in_addr structure */ typedef u_long in_addr_t; /* uint32_t */ /* on windows, socklen_t is to be a winsock2 thing */ #if !defined(IP_MSFILTER_SIZE) typedef int socklen_t; #endif /* socklen_t type */ typedef SOCKET sys_socket_t; #define SOCKETERRNO WSAGetLastError() #define EWOULDBLOCK WSAEWOULDBLOCK #define ECONNREFUSED WSAECONNREFUSED /* must #include "wsaerror.h" for this : */ #define socketerror(x) __WSAE_StrError((x)) /* Verify that we defined HAVE_SA_LEN correctly: */ COMPILE_TIME_ASSERT(sockaddr, offsetof(struct sockaddr, sa_family) == SA_FAM_OFFSET); #endif /* end of windows stuff */ /* dos includes and compatibility macros */ #if defined(PLATFORM_DOS) /* our local headers : */ #include "dos/dos_inet.h" #include "dos/dos_sock.h" #endif /* end of dos stuff. */ /* macros which may still be missing */ #if !defined(INADDR_NONE) #define INADDR_NONE ((in_addr_t) 0xffffffff) #endif /* INADDR_NONE */ #if !defined(INADDR_LOOPBACK) #define INADDR_LOOPBACK ((in_addr_t) 0x7f000001) /* 127.0.0.1 */ #endif /* INADDR_LOOPBACK */ #if !defined(MAXHOSTNAMELEN) /* SUSv2 guarantees that `Host names are limited to 255 bytes'. POSIX 1003.1-2001 guarantees that `Host names (not including the terminating NUL) are limited to HOST_NAME_MAX bytes'. */ #define MAXHOSTNAMELEN 256 #endif /* MAXHOSTNAMELEN */ #endif /* __NET_SYS_H__ */