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/*
* tclWinSock.c --
*
* This file contains Windows-specific socket related code.
*
* Copyright (c) 1995-1997 Sun Microsystems, Inc.
*
* See the file "license.terms" for information on usage and redistribution
* of this file, and for a DISCLAIMER OF ALL WARRANTIES.
*
* RCS: @(#) $Id: tclWinSock.c,v 1.34 2002/12/08 15:31:59 davygrvy Exp $
*/
#include "tclWinInt.h"
/*
* Make sure to remove the redirection defines set in tclWinPort.h
* that is in use in other sections of the core, except for us.
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/*
* tclWinSock.c --
*
* This file contains Windows-specific socket related code.
*
* Copyright (c) 1995-1997 Sun Microsystems, Inc.
*
* See the file "license.terms" for information on usage and redistribution
* of this file, and for a DISCLAIMER OF ALL WARRANTIES.
*
* RCS: @(#) $Id: tclWinSock.c,v 1.35 2003/01/13 01:27:51 mdejong Exp $
*/
#include "tclWinInt.h"
/*
* Make sure to remove the redirection defines set in tclWinPort.h
* that is in use in other sections of the core, except for us.
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static int initialized = 0;
static int hostnameInitialized = 0;
static char hostname[255]; /* This buffer should be big enough for
* hostname plus domain name. */
TCL_DECLARE_MUTEX(socketMutex)
/*
* The following structure contains pointers to all of the WinSock API
* entry points used by Tcl. It is initialized by InitSockets. Since
* we dynamically load the Winsock DLL on demand, we must use this
* function table to refer to functions in the winsock API.
*/
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static int initialized = 0;
static int hostnameInitialized = 0;
static char hostname[255]; /* This buffer should be big enough for
* hostname plus domain name. */
TCL_DECLARE_MUTEX(socketMutex)
/*
* Mingw and Cygwin may not have LPFN_* typedefs.
*/
#ifdef HAVE_NO_LPFN_DECLS
typedef SOCKET (PASCAL FAR *LPFN_ACCEPT)(SOCKET s,
struct sockaddr FAR * addr, int FAR * addrlen);
typedef int (PASCAL FAR *LPFN_BIND)(SOCKET s,
const struct sockaddr FAR *addr, int namelen);
typedef int (PASCAL FAR *LPFN_CLOSESOCKET)(SOCKET s);
typedef int (PASCAL FAR *LPFN_CONNECT)(SOCKET s,
const struct sockaddr FAR *name, int namelen);
typedef struct hostent FAR * (PASCAL FAR *LPFN_GETHOSTBYADDR)
(const char FAR *addr, int addrlen, int addrtype);
typedef struct hostent FAR * (PASCAL FAR *LPFN_GETHOSTBYNAME)
(const char FAR * name);
typedef int (PASCAL FAR *LPFN_GETHOSTNAME)(char FAR * name,
int namelen);
typedef int (PASCAL FAR *LPFN_GETPEERNAME)(SOCKET sock,
struct sockaddr FAR *name, int FAR *namelen);
typedef struct servent FAR * (PASCAL FAR *LPFN_GETSERVBYNAME)
(const char FAR * name, const char FAR * proto);
typedef int (PASCAL FAR *LPFN_GETSOCKNAME)(SOCKET sock,
struct sockaddr FAR *name, int FAR *namelen);
typedef int (PASCAL FAR *LPFN_GETSOCKOPT)(SOCKET s, int level,
int optname, char FAR * optval, int FAR *optlen);
typedef u_short (PASCAL FAR *LPFN_HTONS)(u_short hostshort);
typedef unsigned long (PASCAL FAR *LPFN_INET_ADDR)
(const char FAR * cp);
typedef char FAR * (PASCAL FAR *LPFN_INET_NTOA)
(struct in_addr in);
typedef int (PASCAL FAR *LPFN_IOCTLSOCKET)(SOCKET s,
long cmd, u_long FAR *argp);
typedef int (PASCAL FAR *LPFN_LISTEN)(SOCKET s, int backlog);
typedef u_short (PASCAL FAR *LPFN_NTOHS)(u_short netshort);
typedef int (PASCAL FAR *LPFN_RECV)(SOCKET s, char FAR * buf,
int len, int flags);
typedef int (PASCAL FAR *LPFN_SELECT)(int nfds,
fd_set FAR * readfds, fd_set FAR * writefds,
fd_set FAR * exceptfds,
const struct timeval FAR * timeout);
typedef int (PASCAL FAR *LPFN_SEND)(SOCKET s,
const char FAR * buf, int len, int flags);
typedef int (PASCAL FAR *LPFN_SETSOCKOPT)(SOCKET s,
int level, int optname, const char FAR * optval,
int optlen);
typedef SOCKET (PASCAL FAR *LPFN_SOCKET)(int af,
int type, int protocol);
typedef int (PASCAL FAR *LPFN_WSAASYNCSELECT)(SOCKET s,
HWND hWnd, u_int wMsg, long lEvent);
typedef int (PASCAL FAR *LPFN_WSACLEANUP)(void);
typedef int (PASCAL FAR *LPFN_WSAGETLASTERROR)(void);
typedef int (PASCAL FAR *LPFN_WSASTARTUP)(WORD wVersionRequired,
LPWSADATA lpWSAData);
#endif
/*
* The following structure contains pointers to all of the WinSock API
* entry points used by Tcl. It is initialized by InitSockets. Since
* we dynamically load the Winsock DLL on demand, we must use this
* function table to refer to functions in the winsock API.
*/
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