-// NTSock.C
-
-// (c) 1995 Microsoft Corporation. All rights reserved.
-// Developed by hip communications inc., http://info.hip.com/info/
-// Portions (c) 1993 Intergraph Corporation. All rights reserved.
-
-// You may distribute under the terms of either the GNU General Public
-// License or the Artistic License, as specified in the README file.
-
-#include <windows.h>
+/* win32sck.c
+ *
+ * (c) 1995 Microsoft Corporation. All rights reserved.
+ * Developed by hip communications inc., http://info.hip.com/info/
+ * Portions (c) 1993 Intergraph Corporation. All rights reserved.
+ *
+ * You may distribute under the terms of either the GNU General Public
+ * License or the Artistic License, as specified in the README file.
+ */
+
+#define WIN32IO_IS_STDIO
+#define WIN32SCK_IS_STDSCK
#define WIN32_LEAN_AND_MEAN
+#define PERLIO_NOT_STDIO 0
+#ifdef __GNUC__
+#define Win32_Winsock
+#endif
+#include <windows.h>
+#include <ws2spi.h>
+
#include "EXTERN.h"
#include "perl.h"
+
+#include "Win32iop.h"
#include <sys/socket.h>
#include <fcntl.h>
#include <sys/stat.h>
#include <assert.h>
+#include <io.h>
-#define CROAK croak
-
+/* thanks to Beverly Brown (beverly@datacube.com) */
#ifdef USE_SOCKETS_AS_HANDLES
-// thanks to Beverly Brown (beverly@datacube.com)
-
-# if defined(_WIN32) && !defined(WIN95_OSFHANDLE_FIXED) && defined(_M_IX86)
-//# define OPEN_SOCKET(x) _patch_open_osfhandle(x, _O_RDWR | _O_BINARY)
-# define OPEN_SOCKET(x) _open_osfhandle(x,_O_RDWR|_O_BINARY)
-# else
-# define OPEN_SOCKET(x) _open_osfhandle(x,_O_RDWR|_O_BINARY)
-# endif
-# define TO_SOCKET(x) _get_osfhandle(x)
-
+# define OPEN_SOCKET(x) win32_open_osfhandle(x,O_RDWR|O_BINARY)
+# define TO_SOCKET(x) _get_osfhandle(x)
#else
-
# define OPEN_SOCKET(x) (x)
# define TO_SOCKET(x) (x)
-
-#endif // USE_SOCKETS_AS_HANDLES
-
-//
-// This is a clone of fdopen so that we can handle the version of sockets that NT gets to use.
-//
-// The problem is that sockets are not real file handles and
-// cannot be fdopen'ed. This causes problems in the do_socket
-// routine in doio.c, since it tries to create two file pointers
-// for the socket just created. We'll fake out an fdopen and see
-// if we can prevent perl from trying to do stdio on sockets.
-//
-
-#if defined(_WIN32) && !defined(WIN95_OSFHANDLE_FIXED) && defined(_M_IX86)
-
-# ifdef __cplusplus
-#define EXT_C_FUNC extern "C"
-# else
-#define EXT_C_FUNC extern
-# endif
-
-EXT_C_FUNC int __cdecl _alloc_osfhnd(void);
-EXT_C_FUNC int __cdecl _set_osfhnd(int fh, long value);
-EXT_C_FUNC void __cdecl _lock_fhandle(int);
-EXT_C_FUNC void __cdecl _unlock_fhandle(int);
-EXT_C_FUNC void __cdecl _unlock(int);
-EXT_C_FUNC struct servent* win32_savecopyservent(struct servent*d, struct servent*s, const char *proto);
-
-#if (_MSC_VER >= 1000)
- typedef struct
- {
- long osfhnd; /* underlying OS file HANDLE */
- char osfile; /* attributes of file (e.g., open in text mode?) */
- char pipech; /* one char buffer for handles opened on pipes */
-#if defined (_MT) && !defined (DLL_FOR_WIN32S)
- int lockinitflag;
- CRITICAL_SECTION lock;
-#endif /* defined (_MT) && !defined (DLL_FOR_WIN32S) */
- } ioinfo;
-
- EXT_C_FUNC ioinfo * __pioinfo[];
-
- #define IOINFO_L2E 5
- #define IOINFO_ARRAY_ELTS (1 << IOINFO_L2E)
- #define _pioinfo(i) (__pioinfo[i >> IOINFO_L2E] + (i & (IOINFO_ARRAY_ELTS - 1)))
- #define _osfile(i) (_pioinfo(i)->osfile)
+#endif /* USE_SOCKETS_AS_HANDLES */
+
+#if defined(USE_ITHREADS)
+#define StartSockets() \
+ STMT_START { \
+ if (!wsock_started) \
+ start_sockets(); \
+ set_socktype(); \
+ } STMT_END
#else
- extern "C" extern char _osfile[];
-#endif // (_MSC_VER >= 1000)
-
-#define FOPEN 0x01 // file handle open
-#define FAPPEND 0x20 // file handle opened O_APPEND
-#define FDEV 0x40 // file handle refers to device
-#define FTEXT 0x80 // file handle is in text mode
-
-#define _STREAM_LOCKS 26 // Table of stream locks
-#define _LAST_STREAM_LOCK (_STREAM_LOCKS+_NSTREAM_-1) // Last stream lock
-#define _FH_LOCKS (_LAST_STREAM_LOCK+1) // Table of fh locks
-
-/***
-*int _patch_open_osfhandle(long osfhandle, int flags) - open C Runtime file handle
-*
-*Purpose:
-* This function allocates a free C Runtime file handle and associates
-* it with the Win32 HANDLE specified by the first parameter. This is a
-* temperary fix for WIN95's brain damage GetFileType() error on socket
-* we just bypass that call for socket
-*
-*Entry:
-* long osfhandle - Win32 HANDLE to associate with C Runtime file handle.
-* int flags - flags to associate with C Runtime file handle.
-*
-*Exit:
-* returns index of entry in fh, if successful
-* return -1, if no free entry is found
-*
-*Exceptions:
-*
-*******************************************************************************/
-
-int __cdecl _patch_open_osfhandle(long osfhandle, int flags)
-{
- int fh;
- char fileflags; // _osfile flags
-
- // copy relevant flags from second parameter
- fileflags = FDEV;
-
- if(flags & _O_APPEND)
- fileflags |= FAPPEND;
-
- if(flags & _O_TEXT)
- fileflags |= FTEXT;
-
- // attempt to allocate a C Runtime file handle
- if((fh = _alloc_osfhnd()) == -1)
- {
- errno = EMFILE; // too many open files
- _doserrno = 0L; // not an OS error
- return -1; // return error to caller
- }
-
- // the file is open. now, set the info in _osfhnd array
- _set_osfhnd(fh, osfhandle);
+#define StartSockets() \
+ STMT_START { \
+ if (!wsock_started) { \
+ start_sockets(); \
+ set_socktype(); \
+ } \
+ } STMT_END
+#endif
- fileflags |= FOPEN; // mark as open
+#define SOCKET_TEST(x, y) \
+ STMT_START { \
+ StartSockets(); \
+ if((x) == (y)) \
+ errno = WSAGetLastError(); \
+ } STMT_END
-#if (_MSC_VER >= 1000)
- _osfile(fh) = fileflags; // set osfile entry
- _unlock_fhandle(fh);
-#else
- _osfile[fh] = fileflags; // set osfile entry
- _unlock(fh+_FH_LOCKS); // unlock handle
-#endif
+#define SOCKET_TEST_ERROR(x) SOCKET_TEST(x, SOCKET_ERROR)
+static struct servent* win32_savecopyservent(struct servent*d,
+ struct servent*s,
+ const char *proto);
- return fh; // return handle
-}
-#endif // _M_IX86
-
-#define SOCKETAPI PASCAL
-
-typedef SOCKET (SOCKETAPI *LPSOCKACCEPT)(SOCKET, struct sockaddr *, int *);
-typedef int (SOCKETAPI *LPSOCKBIND)(SOCKET, const struct sockaddr *, int);
-typedef int (SOCKETAPI *LPSOCKCLOSESOCKET)(SOCKET);
-typedef int (SOCKETAPI *LPSOCKCONNECT)(SOCKET, const struct sockaddr *, int);
-typedef int (SOCKETAPI *LPSOCKIOCTLSOCKET)(SOCKET, long, u_long *);
-typedef int (SOCKETAPI *LPSOCKGETPEERNAME)(SOCKET, struct sockaddr *, int *);
-typedef int (SOCKETAPI *LPSOCKGETSOCKNAME)(SOCKET, struct sockaddr *, int *);
-typedef int (SOCKETAPI *LPSOCKGETSOCKOPT)(SOCKET, int, int, char *, int *);
-typedef u_long (SOCKETAPI *LPSOCKHTONL)(u_long);
-typedef u_short (SOCKETAPI *LPSOCKHTONS)(u_short);
-typedef int (SOCKETAPI *LPSOCKLISTEN)(SOCKET, int);
-typedef u_long (SOCKETAPI *LPSOCKNTOHL)(u_long);
-typedef u_short (SOCKETAPI *LPSOCKNTOHS)(u_short);
-typedef int (SOCKETAPI *LPSOCKRECV)(SOCKET, char *, int, int);
-typedef int (SOCKETAPI *LPSOCKRECVFROM)(SOCKET, char *, int, int, struct sockaddr *, int *);
-typedef int (SOCKETAPI *LPSOCKSELECT)(int, fd_set *, fd_set *, fd_set *, const struct timeval *);
-typedef int (SOCKETAPI *LPSOCKSEND)(SOCKET, const char *, int, int);
-typedef int (SOCKETAPI *LPSOCKSENDTO)(SOCKET, const char *, int, int, const struct sockaddr *, int);
-typedef int (SOCKETAPI *LPSOCKSETSOCKOPT)(SOCKET, int, int, const char *, int);
-typedef int (SOCKETAPI *LPSOCKSHUTDOWN)(SOCKET, int);
-typedef SOCKET (SOCKETAPI *LPSOCKSOCKET)(int, int, int);
-typedef char FAR *(SOCKETAPI *LPSOCKINETNTOA)(struct in_addr in);
-typedef unsigned long (SOCKETAPI *LPSOCKINETADDR)(const char FAR * cp);
-
-
-/* Database function prototypes */
-typedef struct hostent *(SOCKETAPI *LPSOCKGETHOSTBYADDR)(const char *, int, int);
-typedef struct hostent *(SOCKETAPI *LPSOCKGETHOSTBYNAME)(const char *);
-typedef int (SOCKETAPI *LPSOCKGETHOSTNAME)(char *, int);
-typedef struct servent *(SOCKETAPI *LPSOCKGETSERVBYPORT)(int, const char *);
-typedef struct servent *(SOCKETAPI *LPSOCKGETSERVBYNAME)(const char *, const char *);
-typedef struct protoent *(SOCKETAPI *LPSOCKGETPROTOBYNUMBER)(int);
-typedef struct protoent *(SOCKETAPI *LPSOCKGETPROTOBYNAME)(const char *);
-
-/* Microsoft Windows Extension function prototypes */
-typedef int (SOCKETAPI *LPSOCKWSASTARTUP)(unsigned short, LPWSADATA);
-typedef int (SOCKETAPI *LPSOCKWSACLEANUP)(void);
-typedef int (SOCKETAPI *LPSOCKWSAGETLASTERROR)(void);
-typedef int (SOCKETAPI *LPWSAFDIsSet)(SOCKET, fd_set *);
-
-static HINSTANCE hWinSockDll = 0;
-// extern CRITICAL_SECTION csSock;
-
-static LPSOCKACCEPT paccept = 0;
-static LPSOCKBIND pbind = 0;
-static LPSOCKCLOSESOCKET pclosesocket = 0;
-static LPSOCKCONNECT pconnect = 0;
-static LPSOCKIOCTLSOCKET pioctlsocket = 0;
-static LPSOCKGETPEERNAME pgetpeername = 0;
-static LPSOCKGETSOCKNAME pgetsockname = 0;
-static LPSOCKGETSOCKOPT pgetsockopt = 0;
-static LPSOCKHTONL phtonl = 0;
-static LPSOCKHTONS phtons = 0;
-static LPSOCKLISTEN plisten = 0;
-static LPSOCKNTOHL pntohl = 0;
-static LPSOCKNTOHS pntohs = 0;
-static LPSOCKRECV precv = 0;
-static LPSOCKRECVFROM precvfrom = 0;
-static LPSOCKSELECT pselect = 0;
-static LPSOCKSEND psend = 0;
-static LPSOCKSENDTO psendto = 0;
-static LPSOCKSETSOCKOPT psetsockopt = 0;
-static LPSOCKSHUTDOWN pshutdown = 0;
-static LPSOCKSOCKET psocket = 0;
-static LPSOCKGETHOSTBYADDR pgethostbyaddr = 0;
-static LPSOCKGETHOSTBYNAME pgethostbyname = 0;
-static LPSOCKGETHOSTNAME pgethostname = 0;
-static LPSOCKGETSERVBYPORT pgetservbyport = 0;
-static LPSOCKGETSERVBYNAME pgetservbyname = 0;
-static LPSOCKGETPROTOBYNUMBER pgetprotobynumber = 0;
-static LPSOCKGETPROTOBYNAME pgetprotobyname = 0;
-static LPSOCKWSASTARTUP pWSAStartup = 0;
-static LPSOCKWSACLEANUP pWSACleanup = 0;
-static LPSOCKWSAGETLASTERROR pWSAGetLastError = 0;
-static LPWSAFDIsSet pWSAFDIsSet = 0;
-static LPSOCKINETNTOA pinet_ntoa = 0;
-static LPSOCKINETADDR pinet_addr = 0;
-
-__declspec(thread) struct servent myservent;
-
-
-void *GetAddress(HINSTANCE hInstance, char *lpFunctionName)
-{
- char buffer[512];
- FARPROC proc = GetProcAddress(hInstance, lpFunctionName);
- if(proc == 0)
- {
- sprintf(buffer, "Unable to get address of %s in WSock32.dll", lpFunctionName);
- CROAK(buffer);
- }
- return proc;
-}
-
-void LoadWinSock(void)
-{
-// EnterCriticalSection(&csSock);
- if(hWinSockDll == NULL)
- {
- HINSTANCE hLib = LoadLibrary("WSock32.DLL");
- if(hLib == NULL)
- CROAK("Could not load WSock32.dll\n");
-
- paccept = (LPSOCKACCEPT)GetAddress(hLib, "accept");
- pbind = (LPSOCKBIND)GetAddress(hLib, "bind");
- pclosesocket = (LPSOCKCLOSESOCKET)GetAddress(hLib, "closesocket");
- pconnect = (LPSOCKCONNECT)GetAddress(hLib, "connect");
- pioctlsocket = (LPSOCKIOCTLSOCKET)GetAddress(hLib, "ioctlsocket");
- pgetpeername = (LPSOCKGETPEERNAME)GetAddress(hLib, "getpeername");
- pgetsockname = (LPSOCKGETSOCKNAME)GetAddress(hLib, "getsockname");
- pgetsockopt = (LPSOCKGETSOCKOPT)GetAddress(hLib, "getsockopt");
- phtonl = (LPSOCKHTONL)GetAddress(hLib, "htonl");
- phtons = (LPSOCKHTONS)GetAddress(hLib, "htons");
- plisten = (LPSOCKLISTEN)GetAddress(hLib, "listen");
- pntohl = (LPSOCKNTOHL)GetAddress(hLib, "ntohl");
- pntohs = (LPSOCKNTOHS)GetAddress(hLib, "ntohs");
- precv = (LPSOCKRECV)GetAddress(hLib, "recv");
- precvfrom = (LPSOCKRECVFROM)GetAddress(hLib, "recvfrom");
- pselect = (LPSOCKSELECT)GetAddress(hLib, "select");
- psend = (LPSOCKSEND)GetAddress(hLib, "send");
- psendto = (LPSOCKSENDTO)GetAddress(hLib, "sendto");
- psetsockopt = (LPSOCKSETSOCKOPT)GetAddress(hLib, "setsockopt");
- pshutdown = (LPSOCKSHUTDOWN)GetAddress(hLib, "shutdown");
- psocket = (LPSOCKSOCKET)GetAddress(hLib, "socket");
- pgethostbyaddr = (LPSOCKGETHOSTBYADDR)GetAddress(hLib, "gethostbyaddr");
- pgethostbyname = (LPSOCKGETHOSTBYNAME)GetAddress(hLib, "gethostbyname");
- pgethostname = (LPSOCKGETHOSTNAME)GetAddress(hLib, "gethostname");
- pgetservbyport = (LPSOCKGETSERVBYPORT)GetAddress(hLib, "getservbyport");
- pgetservbyname = (LPSOCKGETSERVBYNAME)GetAddress(hLib, "getservbyname");
- pgetprotobynumber = (LPSOCKGETPROTOBYNUMBER)GetAddress(hLib, "getprotobynumber");
- pgetprotobyname = (LPSOCKGETPROTOBYNAME)GetAddress(hLib, "getprotobyname");
- pWSAStartup = (LPSOCKWSASTARTUP)GetAddress(hLib, "WSAStartup");
- pWSACleanup = (LPSOCKWSACLEANUP)GetAddress(hLib, "WSACleanup");
- pWSAGetLastError = (LPSOCKWSAGETLASTERROR)GetAddress(hLib, "WSAGetLastError");
- pWSAFDIsSet = (LPWSAFDIsSet)GetAddress(hLib, "__WSAFDIsSet");
- pinet_addr = (LPSOCKINETADDR)GetAddress(hLib,"inet_addr");
- pinet_ntoa = (LPSOCKINETNTOA)GetAddress(hLib,"inet_ntoa");
-
- hWinSockDll = hLib;
- }
-// LeaveCriticalSection(&csSock);
-}
+static int wsock_started = 0;
-void EndSockets(void)
+EXTERN_C void
+EndSockets(void)
{
- if(hWinSockDll != NULL)
- {
- pWSACleanup();
- FreeLibrary(hWinSockDll);
- }
- hWinSockDll = NULL;
+ if (wsock_started)
+ WSACleanup();
}
-void StartSockets(void)
+void
+start_sockets(void)
{
- unsigned short version;
- WSADATA retdata;
- int ret;
- int iSockOpt = SO_SYNCHRONOUS_NONALERT;
+ dTHX;
+ unsigned short version;
+ WSADATA retdata;
+ int ret;
- LoadWinSock();
- //
- // initalize the winsock interface and insure that it is
- // cleaned up at exit.
- //
- version = 0x101;
- if(ret = pWSAStartup(version, &retdata))
- CROAK("Unable to locate winsock library!\n");
- if(retdata.wVersion != version)
- CROAK("Could not find version 1.1 of winsock dll\n");
+ /*
+ * initalize the winsock interface and insure that it is
+ * cleaned up at exit.
+ */
+ version = 0x2;
+ if(ret = WSAStartup(version, &retdata))
+ Perl_croak_nocontext("Unable to locate winsock library!\n");
+ if(retdata.wVersion != version)
+ Perl_croak_nocontext("Could not find version 2.0 of winsock dll\n");
- // atexit((void (*)(void)) EndSockets);
+ /* atexit((void (*)(void)) EndSockets); */
+ wsock_started = 1;
+}
-#ifdef USE_SOCKETS_AS_HANDLES
- //
- // Enable the use of sockets as filehandles
- //
- psetsockopt(INVALID_SOCKET, SOL_SOCKET, SO_OPENTYPE, (char *)&iSockOpt, sizeof(iSockOpt));
-#endif // USE_SOCKETS_AS_HANDLES
+void
+set_socktype(void)
+{
}
#ifndef USE_SOCKETS_AS_HANDLES
-FILE *myfdopen(int fd, char *mode)
+#undef fdopen
+FILE *
+my_fdopen(int fd, char *mode)
{
- FILE *fp;
- char sockbuf[256];
- int optlen = sizeof(sockbuf);
- int retval;
+ FILE *fp;
+ char sockbuf[256];
+ int optlen = sizeof(sockbuf);
+ int retval;
-
- if(hWinSockDll == 0)
- LoadWinSock();
+ if (!wsock_started)
+ return(fdopen(fd, mode));
- retval = pgetsockopt((SOCKET)fd, SOL_SOCKET, SO_TYPE, sockbuf, &optlen);
- if(retval == SOCKET_ERROR && pWSAGetLastError() == WSAENOTSOCK)
- {
- return(_fdopen(fd, mode));
- }
+ retval = getsockopt((SOCKET)fd, SOL_SOCKET, SO_TYPE, sockbuf, &optlen);
+ if(retval == SOCKET_ERROR && WSAGetLastError() == WSAENOTSOCK) {
+ return(fdopen(fd, mode));
+ }
- //
- // If we get here, then fd is actually a socket.
- //
- Newz(1601, fp, 1, FILE);
- if(fp == NULL)
- {
- errno = ENOMEM;
- return NULL;
- }
-
- fp->_file = fd;
- if(*mode == 'r')
- fp->_flag = _IOREAD;
- else
- fp->_flag = _IOWRT;
+ /*
+ * If we get here, then fd is actually a socket.
+ */
+ Newxz(fp, 1, FILE); /* XXX leak, good thing this code isn't used */
+ if(fp == NULL) {
+ errno = ENOMEM;
+ return NULL;
+ }
- return fp;
+ fp->_file = fd;
+ if(*mode == 'r')
+ fp->_flag = _IOREAD;
+ else
+ fp->_flag = _IOWRT;
+
+ return fp;
}
-#endif // USE_SOCKETS_AS_HANDLES
+#endif /* USE_SOCKETS_AS_HANDLES */
-u_long win32_htonl(u_long hostlong)
+u_long
+win32_htonl(u_long hostlong)
{
- if(hWinSockDll == 0)
- LoadWinSock();
-
- return phtonl(hostlong);
+ StartSockets();
+ return htonl(hostlong);
}
-u_short win32_htons(u_short hostshort)
+u_short
+win32_htons(u_short hostshort)
{
- if(hWinSockDll == 0)
- LoadWinSock();
-
- return phtons(hostshort);
+ StartSockets();
+ return htons(hostshort);
}
-u_long win32_ntohl(u_long netlong)
+u_long
+win32_ntohl(u_long netlong)
{
- if(hWinSockDll == 0)
- LoadWinSock();
-
- return pntohl(netlong);
+ StartSockets();
+ return ntohl(netlong);
}
-u_short win32_ntohs(u_short netshort)
+u_short
+win32_ntohs(u_short netshort)
{
- if(hWinSockDll == 0)
- LoadWinSock();
-
- return pntohs(netshort);
+ StartSockets();
+ return ntohs(netshort);
}
-#define SOCKET_TEST(x, y) if(hWinSockDll == 0) StartSockets();\
- if((x) == (y)) errno = pWSAGetLastError()
-
-#define SOCKET_TEST_ERROR(x) SOCKET_TEST(x, SOCKET_ERROR)
-SOCKET win32_accept(SOCKET s, struct sockaddr *addr, int *addrlen)
+SOCKET
+win32_accept(SOCKET s, struct sockaddr *addr, int *addrlen)
{
- SOCKET r;
+ SOCKET r;
- SOCKET_TEST((r = paccept(TO_SOCKET(s), addr, addrlen)), INVALID_SOCKET);
- return OPEN_SOCKET(r);
+ SOCKET_TEST((r = accept(TO_SOCKET(s), addr, addrlen)), INVALID_SOCKET);
+ return OPEN_SOCKET(r);
}
-int win32_bind(SOCKET s, const struct sockaddr *addr, int addrlen)
+int
+win32_bind(SOCKET s, const struct sockaddr *addr, int addrlen)
{
- int r;
+ int r;
- SOCKET_TEST_ERROR(r = pbind(TO_SOCKET(s), addr, addrlen));
- return r;
+ SOCKET_TEST_ERROR(r = bind(TO_SOCKET(s), addr, addrlen));
+ return r;
}
-int win32_connect(SOCKET s, const struct sockaddr *addr, int addrlen)
+int
+win32_connect(SOCKET s, const struct sockaddr *addr, int addrlen)
{
- int r;
+ int r;
- SOCKET_TEST_ERROR(r = pconnect(TO_SOCKET(s), addr, addrlen));
- return r;
+ SOCKET_TEST_ERROR(r = connect(TO_SOCKET(s), addr, addrlen));
+ return r;
}
-int win32_getpeername(SOCKET s, struct sockaddr *addr, int *addrlen)
+int
+win32_getpeername(SOCKET s, struct sockaddr *addr, int *addrlen)
{
- int r;
+ int r;
- SOCKET_TEST_ERROR(r = pgetpeername(TO_SOCKET(s), addr, addrlen));
- return r;
+ SOCKET_TEST_ERROR(r = getpeername(TO_SOCKET(s), addr, addrlen));
+ return r;
}
-int win32_getsockname(SOCKET s, struct sockaddr *addr, int *addrlen)
+int
+win32_getsockname(SOCKET s, struct sockaddr *addr, int *addrlen)
{
- int r;
+ int r;
- SOCKET_TEST_ERROR(r = pgetsockname(TO_SOCKET(s), addr, addrlen));
- return r;
+ SOCKET_TEST_ERROR(r = getsockname(TO_SOCKET(s), addr, addrlen));
+ return r;
}
-int win32_getsockopt(SOCKET s, int level, int optname, char *optval, int *optlen)
+int
+win32_getsockopt(SOCKET s, int level, int optname, char *optval, int *optlen)
{
- int r;
+ int r;
- SOCKET_TEST_ERROR(r = pgetsockopt(TO_SOCKET(s), level, optname, optval, optlen));
- return r;
+ SOCKET_TEST_ERROR(r = getsockopt(TO_SOCKET(s), level, optname, optval, optlen));
+ return r;
}
-int win32_ioctlsocket(SOCKET s, long cmd, u_long *argp)
+int
+win32_ioctlsocket(SOCKET s, long cmd, u_long *argp)
{
- int r;
+ int r;
- SOCKET_TEST_ERROR(r = pioctlsocket(TO_SOCKET(s), cmd, argp));
- return r;
+ SOCKET_TEST_ERROR(r = ioctlsocket(TO_SOCKET(s), cmd, argp));
+ return r;
}
-int win32_listen(SOCKET s, int backlog)
+int
+win32_listen(SOCKET s, int backlog)
{
- int r;
+ int r;
- SOCKET_TEST_ERROR(r = plisten(TO_SOCKET(s), backlog));
- return r;
+ SOCKET_TEST_ERROR(r = listen(TO_SOCKET(s), backlog));
+ return r;
}
-int win32_recv(SOCKET s, char *buf, int len, int flags)
+int
+win32_recv(SOCKET s, char *buf, int len, int flags)
{
- int r;
+ int r;
- SOCKET_TEST_ERROR(r = precv(TO_SOCKET(s), buf, len, flags));
- return r;
+ SOCKET_TEST_ERROR(r = recv(TO_SOCKET(s), buf, len, flags));
+ return r;
}
-int win32_recvfrom(SOCKET s, char *buf, int len, int flags, struct sockaddr *from, int *fromlen)
+int
+win32_recvfrom(SOCKET s, char *buf, int len, int flags, struct sockaddr *from, int *fromlen)
{
- int r;
+ int r;
+ int frombufsize = *fromlen;
- SOCKET_TEST_ERROR(r = precvfrom(TO_SOCKET(s), buf, len, flags, from, fromlen));
- return r;
+ SOCKET_TEST_ERROR(r = recvfrom(TO_SOCKET(s), buf, len, flags, from, fromlen));
+ /* Winsock's recvfrom() only returns a valid 'from' when the socket
+ * is connectionless. Perl expects a valid 'from' for all types
+ * of sockets, so go the extra mile.
+ */
+ if (r != SOCKET_ERROR && frombufsize == *fromlen)
+ (void)win32_getpeername(s, from, fromlen);
+ return r;
}
-// select contributed by Vincent R. Slyngstad (vrs@ibeam.intel.com)
-int win32_select(int nfds, int* rd, int* wr, int* ex, const struct timeval* timeout)
+/* select contributed by Vincent R. Slyngstad (vrs@ibeam.intel.com) */
+int
+win32_select(int nfds, Perl_fd_set* rd, Perl_fd_set* wr, Perl_fd_set* ex, const struct timeval* timeout)
{
- long r;
- int dummy = 0;
- int i, fd, bit, offset;
- FD_SET nrd, nwr, nex,*prd,*pwr,*pex;
-
- if (!rd) rd = &dummy, prd = NULL;
- else prd = &nrd;
- if (!wr) wr = &dummy, pwr = NULL;
- else pwr = &nwr;
- if (!ex) ex = &dummy, pex = NULL;
- else pex = &nex;
+ int r;
+#ifdef USE_SOCKETS_AS_HANDLES
+ Perl_fd_set dummy;
+ int i, fd, save_errno = errno;
+ FD_SET nrd, nwr, nex, *prd, *pwr, *pex;
+
+ /* winsock seems incapable of dealing with all three null fd_sets,
+ * so do the (millisecond) sleep as a special case
+ */
+ if (!(rd || wr || ex)) {
+ if (timeout)
+ Sleep(timeout->tv_sec * 1000 +
+ timeout->tv_usec / 1000); /* do the best we can */
+ else
+ Sleep(UINT_MAX);
+ return 0;
+ }
+ StartSockets();
+ PERL_FD_ZERO(&dummy);
+ if (!rd)
+ rd = &dummy, prd = NULL;
+ else
+ prd = &nrd;
+ if (!wr)
+ wr = &dummy, pwr = NULL;
+ else
+ pwr = &nwr;
+ if (!ex)
+ ex = &dummy, pex = NULL;
+ else
+ pex = &nex;
+
+ FD_ZERO(&nrd);
+ FD_ZERO(&nwr);
+ FD_ZERO(&nex);
+ for (i = 0; i < nfds; i++) {
+ fd = TO_SOCKET(i);
+ if (PERL_FD_ISSET(i,rd))
+ FD_SET((unsigned)fd, &nrd);
+ if (PERL_FD_ISSET(i,wr))
+ FD_SET((unsigned)fd, &nwr);
+ if (PERL_FD_ISSET(i,ex))
+ FD_SET((unsigned)fd, &nex);
+ }
+
+ errno = save_errno;
+ SOCKET_TEST_ERROR(r = select(nfds, prd, pwr, pex, timeout));
+ save_errno = errno;
+
+ for (i = 0; i < nfds; i++) {
+ fd = TO_SOCKET(i);
+ if (PERL_FD_ISSET(i,rd) && !FD_ISSET(fd, &nrd))
+ PERL_FD_CLR(i,rd);
+ if (PERL_FD_ISSET(i,wr) && !FD_ISSET(fd, &nwr))
+ PERL_FD_CLR(i,wr);
+ if (PERL_FD_ISSET(i,ex) && !FD_ISSET(fd, &nex))
+ PERL_FD_CLR(i,ex);
+ }
+ errno = save_errno;
+#else
+ SOCKET_TEST_ERROR(r = select(nfds, rd, wr, ex, timeout));
+#endif
+ return r;
+}
- FD_ZERO(&nrd);
- FD_ZERO(&nwr);
- FD_ZERO(&nex);
- for (i = 0; i < nfds; i++)
- {
- fd = TO_SOCKET(i);
- bit = 1L<<(i % (sizeof(int)*8));
- offset = i / (sizeof(int)*8);
- if (rd[offset] & bit)
- FD_SET(fd, &nrd);
- if (wr[offset] & bit)
- FD_SET(fd, &nwr);
- if (ex[offset] & bit)
- FD_SET(fd, &nex);
- }
+int
+win32_send(SOCKET s, const char *buf, int len, int flags)
+{
+ int r;
- SOCKET_TEST_ERROR(r = pselect(nfds, prd, pwr, pex, timeout));
-
- for (i = 0; i < nfds; i++)
- {
- fd = TO_SOCKET(i);
- bit = 1L<<(i % (sizeof(int)*8));
- offset = i / (sizeof(int)*8);
- if (rd[offset] & bit)
- {
- if (!pWSAFDIsSet(fd, &nrd))
- rd[offset] &= ~bit;
- }
- if (wr[offset] & bit)
- {
- if (!pWSAFDIsSet(fd, &nwr))
- wr[offset] &= ~bit;
- }
- if (ex[offset] & bit)
- {
- if (!pWSAFDIsSet(fd, &nex))
- ex[offset] &= ~bit;
- }
- }
- return r;
+ SOCKET_TEST_ERROR(r = send(TO_SOCKET(s), buf, len, flags));
+ return r;
}
-int win32_send(SOCKET s, const char *buf, int len, int flags)
+int
+win32_sendto(SOCKET s, const char *buf, int len, int flags,
+ const struct sockaddr *to, int tolen)
{
- int r;
+ int r;
- SOCKET_TEST_ERROR(r = psend(TO_SOCKET(s), buf, len, flags));
- return r;
+ SOCKET_TEST_ERROR(r = sendto(TO_SOCKET(s), buf, len, flags, to, tolen));
+ return r;
}
-int win32_sendto(SOCKET s, const char *buf, int len, int flags, const struct sockaddr *to, int tolen)
+int
+win32_setsockopt(SOCKET s, int level, int optname, const char *optval, int optlen)
+{
+ int r;
+
+ SOCKET_TEST_ERROR(r = setsockopt(TO_SOCKET(s), level, optname, optval, optlen));
+ return r;
+}
+
+int
+win32_shutdown(SOCKET s, int how)
{
- int r;
+ int r;
- SOCKET_TEST_ERROR(r = psendto(TO_SOCKET(s), buf, len, flags, to, tolen));
- return r;
+ SOCKET_TEST_ERROR(r = shutdown(TO_SOCKET(s), how));
+ return r;
}
-int win32_setsockopt(SOCKET s, int level, int optname, const char *optval, int optlen)
+int
+win32_closesocket(SOCKET s)
{
- int r;
+ int r;
- SOCKET_TEST_ERROR(r = psetsockopt(TO_SOCKET(s), level, optname, optval, optlen));
- return r;
+ SOCKET_TEST_ERROR(r = closesocket(TO_SOCKET(s)));
+ return r;
}
-
-int win32_shutdown(SOCKET s, int how)
+
+#ifdef USE_SOCKETS_AS_HANDLES
+#define WIN32_OPEN_SOCKET(af, type, protocol) open_ifs_socket(af, type, protocol)
+
+void
+convert_proto_info_w2a(WSAPROTOCOL_INFOW *in, WSAPROTOCOL_INFOA *out)
+{
+ Copy(in, out, 1, WSAPROTOCOL_INFOA);
+ wcstombs(out->szProtocol, in->szProtocol, sizeof(out->szProtocol));
+}
+
+SOCKET
+open_ifs_socket(int af, int type, int protocol)
{
- int r;
+ dTHX;
+ char *s;
+ unsigned long proto_buffers_len = 0;
+ int error_code;
+ SOCKET out = INVALID_SOCKET;
+
+ if ((s = PerlEnv_getenv("PERL_ALLOW_NON_IFS_LSP")) && atoi(s))
+ return WSASocket(af, type, protocol, NULL, 0, 0);
+
+ if (WSCEnumProtocols(NULL, NULL, &proto_buffers_len, &error_code) == SOCKET_ERROR
+ && error_code == WSAENOBUFS)
+ {
+ WSAPROTOCOL_INFOW *proto_buffers;
+ int protocols_available = 0;
+
+ Newx(proto_buffers, proto_buffers_len / sizeof(WSAPROTOCOL_INFOW),
+ WSAPROTOCOL_INFOW);
+
+ if ((protocols_available = WSCEnumProtocols(NULL, proto_buffers,
+ &proto_buffers_len, &error_code)) != SOCKET_ERROR)
+ {
+ int i;
+ for (i = 0; i < protocols_available; i++)
+ {
+ WSAPROTOCOL_INFOA proto_info;
+
+ if ((af != AF_UNSPEC && af != proto_buffers[i].iAddressFamily)
+ || (type != proto_buffers[i].iSocketType)
+ || (protocol != 0 && proto_buffers[i].iProtocol != 0 &&
+ protocol != proto_buffers[i].iProtocol))
+ continue;
+
+ if ((proto_buffers[i].dwServiceFlags1 & XP1_IFS_HANDLES) == 0)
+ continue;
+
+ convert_proto_info_w2a(&(proto_buffers[i]), &proto_info);
- SOCKET_TEST_ERROR(r = pshutdown(TO_SOCKET(s), how));
- return r;
+ out = WSASocket(af, type, protocol, &proto_info, 0, 0);
+ break;
+ }
+ }
+
+ Safefree(proto_buffers);
+ }
+
+ return out;
}
-SOCKET win32_socket(int af, int type, int protocol)
+#else
+#define WIN32_OPEN_SOCKET(af, type, protocol) socket(af, type, protocol)
+#endif
+
+SOCKET
+win32_socket(int af, int type, int protocol)
{
- SOCKET s;
+ SOCKET s;
#ifndef USE_SOCKETS_AS_HANDLES
- SOCKET_TEST(s = psocket(af, type, protocol), INVALID_SOCKET);
+ SOCKET_TEST(s = socket(af, type, protocol), INVALID_SOCKET);
+#else
+ StartSockets();
+
+ if((s = WIN32_OPEN_SOCKET(af, type, protocol)) == INVALID_SOCKET)
+ errno = WSAGetLastError();
+ else
+ s = OPEN_SOCKET(s);
+#endif /* USE_SOCKETS_AS_HANDLES */
+
+ return s;
+}
+
+/*
+ * close RTL fd while respecting sockets
+ * added as temporary measure until PerlIO has real
+ * Win32 native layer
+ * -- BKS, 11-11-2000
+*/
+
+int my_close(int fd)
+{
+ int osf;
+ if (!wsock_started) /* No WinSock? */
+ return(close(fd)); /* Then not a socket. */
+ osf = TO_SOCKET(fd);/* Get it now before it's gone! */
+ if (osf != -1) {
+ int err;
+ err = closesocket(osf);
+ if (err == 0) {
+#if defined(USE_FIXED_OSFHANDLE) || defined(PERL_MSVCRT_READFIX)
+ _set_osfhnd(fd, INVALID_HANDLE_VALUE);
+#endif
+ (void)close(fd); /* handle already closed, ignore error */
+ return 0;
+ }
+ else if (err == SOCKET_ERROR) {
+ err = WSAGetLastError();
+ if (err != WSAENOTSOCK) {
+ (void)close(fd);
+ errno = err;
+ return EOF;
+ }
+ }
+ }
+ return close(fd);
+}
+
+#undef fclose
+int
+my_fclose (FILE *pf)
+{
+ int osf;
+ if (!wsock_started) /* No WinSock? */
+ return(fclose(pf)); /* Then not a socket. */
+ osf = TO_SOCKET(win32_fileno(pf));/* Get it now before it's gone! */
+ if (osf != -1) {
+ int err;
+ win32_fflush(pf);
+ err = closesocket(osf);
+ if (err == 0) {
+#if defined(USE_FIXED_OSFHANDLE) || defined(PERL_MSVCRT_READFIX)
+ _set_osfhnd(win32_fileno(pf), INVALID_HANDLE_VALUE);
+#endif
+ (void)fclose(pf); /* handle already closed, ignore error */
+ return 0;
+ }
+ else if (err == SOCKET_ERROR) {
+ err = WSAGetLastError();
+ if (err != WSAENOTSOCK) {
+ (void)fclose(pf);
+ errno = err;
+ return EOF;
+ }
+ }
+ }
+ return fclose(pf);
+}
+
+#undef fstat
+int
+my_fstat(int fd, Stat_t *sbufptr)
+{
+ /* This fixes a bug in fstat() on Windows 9x. fstat() uses the
+ * GetFileType() win32 syscall, which will fail on Windows 9x.
+ * So if we recognize a socket on Windows 9x, we return the
+ * same results as on Windows NT/2000.
+ * XXX this should be extended further to set S_IFSOCK on
+ * sbufptr->st_mode.
+ */
+ int osf;
+ if (!wsock_started || IsWinNT()) {
+#if defined(WIN64) || defined(USE_LARGE_FILES)
+#if defined(__BORLANDC__) /* buk */
+ return win32_fstat(fd, sbufptr );
#else
- if(hWinSockDll == 0)
- StartSockets();
+ return _fstati64(fd, sbufptr);
+#endif
+#else
+ return fstat(fd, sbufptr);
+#endif
+ }
- if((s = psocket(af, type, protocol)) == INVALID_SOCKET)
- errno = pWSAGetLastError();
- else
- s = OPEN_SOCKET(s);
-#endif // USE_SOCKETS_AS_HANDLES
+ osf = TO_SOCKET(fd);
+ if (osf != -1) {
+ char sockbuf[256];
+ int optlen = sizeof(sockbuf);
+ int retval;
- return s;
+ retval = getsockopt((SOCKET)osf, SOL_SOCKET, SO_TYPE, sockbuf, &optlen);
+ if (retval != SOCKET_ERROR || WSAGetLastError() != WSAENOTSOCK) {
+#if defined(__BORLANDC__)&&(__BORLANDC__<=0x520)
+ sbufptr->st_mode = S_IFIFO;
+#else
+ sbufptr->st_mode = _S_IFIFO;
+#endif
+ sbufptr->st_rdev = sbufptr->st_dev = (dev_t)fd;
+ sbufptr->st_nlink = 1;
+ sbufptr->st_uid = sbufptr->st_gid = sbufptr->st_ino = 0;
+ sbufptr->st_atime = sbufptr->st_mtime = sbufptr->st_ctime = 0;
+ sbufptr->st_size = (Off_t)0;
+ return 0;
+ }
+ }
+#if defined(WIN64) || defined(USE_LARGE_FILES)
+#if defined(__BORLANDC__) /* buk */
+ return win32_fstat(fd, sbufptr );
+#else
+ return _fstati64(fd, sbufptr);
+#endif
+#else
+ return fstat(fd, sbufptr);
+#endif
}
-struct hostent *win32_gethostbyaddr(const char *addr, int len, int type)
+struct hostent *
+win32_gethostbyaddr(const char *addr, int len, int type)
{
- struct hostent *r;
+ struct hostent *r;
- SOCKET_TEST(r = pgethostbyaddr(addr, len, type), NULL);
- return r;
+ SOCKET_TEST(r = gethostbyaddr(addr, len, type), NULL);
+ return r;
}
-struct hostent *win32_gethostbyname(const char *name)
+struct hostent *
+win32_gethostbyname(const char *name)
{
- struct hostent *r;
+ struct hostent *r;
- SOCKET_TEST(r = pgethostbyname(name), NULL);
- return r;
+ SOCKET_TEST(r = gethostbyname(name), NULL);
+ return r;
}
-int win32_gethostname(char *name, int len)
+int
+win32_gethostname(char *name, int len)
{
- int r;
+ int r;
- SOCKET_TEST_ERROR(r = pgethostname(name, len));
- return r;
+ SOCKET_TEST_ERROR(r = gethostname(name, len));
+ return r;
}
-struct protoent *win32_getprotobyname(const char *name)
+struct protoent *
+win32_getprotobyname(const char *name)
{
- struct protoent *r;
+ struct protoent *r;
- SOCKET_TEST(r = pgetprotobyname(name), NULL);
- return r;
+ SOCKET_TEST(r = getprotobyname(name), NULL);
+ return r;
}
-struct protoent *win32_getprotobynumber(int num)
+struct protoent *
+win32_getprotobynumber(int num)
{
- struct protoent *r;
+ struct protoent *r;
- SOCKET_TEST(r = pgetprotobynumber(num), NULL);
- return r;
+ SOCKET_TEST(r = getprotobynumber(num), NULL);
+ return r;
}
-struct servent *win32_getservbyname(const char *name, const char *proto)
+struct servent *
+win32_getservbyname(const char *name, const char *proto)
{
- struct servent *r;
+ dTHX;
+ struct servent *r;
- SOCKET_TEST(r = pgetservbyname(name, proto), NULL);
- if (r) {
- r = win32_savecopyservent(&myservent, r, proto);
- }
- return r;
+ SOCKET_TEST(r = getservbyname(name, proto), NULL);
+ if (r) {
+ r = win32_savecopyservent(&w32_servent, r, proto);
+ }
+ return r;
}
-struct servent *win32_getservbyport(int port, const char *proto)
+struct servent *
+win32_getservbyport(int port, const char *proto)
{
- struct servent *r;
+ dTHX;
+ struct servent *r;
- SOCKET_TEST(r = pgetservbyport(port, proto), NULL);
- if (r) {
- r = win32_savecopyservent(&myservent, r, proto);
- }
- return r;
+ SOCKET_TEST(r = getservbyport(port, proto), NULL);
+ if (r) {
+ r = win32_savecopyservent(&w32_servent, r, proto);
+ }
+ return r;
}
-char FAR *win32_inet_ntoa(struct in_addr in)
+int
+win32_ioctl(int i, unsigned int u, char *data)
{
- if(hWinSockDll == 0) LoadWinSock();
+ dTHX;
+ u_long argp = (u_long)data;
+ int retval;
+
+ if (!wsock_started) {
+ Perl_croak_nocontext("ioctl implemented only on sockets");
+ /* NOTREACHED */
+ }
- return pinet_ntoa(in);
+ retval = ioctlsocket(TO_SOCKET(i), (long)u, &argp);
+ if (retval == SOCKET_ERROR) {
+ if (WSAGetLastError() == WSAENOTSOCK) {
+ Perl_croak_nocontext("ioctl implemented only on sockets");
+ /* NOTREACHED */
+ }
+ errno = WSAGetLastError();
+ }
+ return retval;
}
-unsigned long win32_inet_addr(const char FAR *cp)
+char FAR *
+win32_inet_ntoa(struct in_addr in)
{
- if(hWinSockDll == 0) LoadWinSock();
-
- return pinet_addr(cp);
+ StartSockets();
+ return inet_ntoa(in);
+}
+unsigned long
+win32_inet_addr(const char FAR *cp)
+{
+ StartSockets();
+ return inet_addr(cp);
}
-//
-// Networking stubs
-//
-#undef CROAK
-#define CROAK croak
-void win32_endhostent()
+/*
+ * Networking stubs
+ */
+
+void
+win32_endhostent()
{
- CROAK("endhostent not implemented!\n");
+ dTHX;
+ Perl_croak_nocontext("endhostent not implemented!\n");
}
-void win32_endnetent()
+void
+win32_endnetent()
{
- CROAK("endnetent not implemented!\n");
+ dTHX;
+ Perl_croak_nocontext("endnetent not implemented!\n");
}
-void win32_endprotoent()
+void
+win32_endprotoent()
{
- CROAK("endprotoent not implemented!\n");
+ dTHX;
+ Perl_croak_nocontext("endprotoent not implemented!\n");
}
-void win32_endservent()
+void
+win32_endservent()
{
- CROAK("endservent not implemented!\n");
+ dTHX;
+ Perl_croak_nocontext("endservent not implemented!\n");
}
-struct netent *win32_getnetent(void)
+struct netent *
+win32_getnetent(void)
{
- CROAK("getnetent not implemented!\n");
- return (struct netent *) NULL;
+ dTHX;
+ Perl_croak_nocontext("getnetent not implemented!\n");
+ return (struct netent *) NULL;
}
-struct netent *win32_getnetbyname(char *name)
+struct netent *
+win32_getnetbyname(char *name)
{
- CROAK("getnetbyname not implemented!\n");
- return (struct netent *)NULL;
+ dTHX;
+ Perl_croak_nocontext("getnetbyname not implemented!\n");
+ return (struct netent *)NULL;
}
-struct netent *win32_getnetbyaddr(long net, int type)
+struct netent *
+win32_getnetbyaddr(long net, int type)
{
- CROAK("getnetbyaddr not implemented!\n");
- return (struct netent *)NULL;
+ dTHX;
+ Perl_croak_nocontext("getnetbyaddr not implemented!\n");
+ return (struct netent *)NULL;
}
-struct protoent *win32_getprotoent(void)
+struct protoent *
+win32_getprotoent(void)
{
- CROAK("getprotoent not implemented!\n");
- return (struct protoent *) NULL;
+ dTHX;
+ Perl_croak_nocontext("getprotoent not implemented!\n");
+ return (struct protoent *) NULL;
}
-struct servent *win32_getservent(void)
+struct servent *
+win32_getservent(void)
{
- CROAK("getservent not implemented!\n");
- return (struct servent *) NULL;
+ dTHX;
+ Perl_croak_nocontext("getservent not implemented!\n");
+ return (struct servent *) NULL;
}
-void win32_sethostent(int stayopen)
+void
+win32_sethostent(int stayopen)
{
- CROAK("sethostent not implemented!\n");
+ dTHX;
+ Perl_croak_nocontext("sethostent not implemented!\n");
}
-void win32_setnetent(int stayopen)
+void
+win32_setnetent(int stayopen)
{
- CROAK("setnetent not implemented!\n");
+ dTHX;
+ Perl_croak_nocontext("setnetent not implemented!\n");
}
-void win32_setprotoent(int stayopen)
+void
+win32_setprotoent(int stayopen)
{
- CROAK("setprotoent not implemented!\n");
+ dTHX;
+ Perl_croak_nocontext("setprotoent not implemented!\n");
}
-void win32_setservent(int stayopen)
+void
+win32_setservent(int stayopen)
+{
+ dTHX;
+ Perl_croak_nocontext("setservent not implemented!\n");
+}
+
+static struct servent*
+win32_savecopyservent(struct servent*d, struct servent*s, const char *proto)
{
- CROAK("setservent not implemented!\n");
+ d->s_name = s->s_name;
+ d->s_aliases = s->s_aliases;
+ d->s_port = s->s_port;
+#ifndef __BORLANDC__ /* Buggy on Win95 and WinNT-with-Borland-WSOCK */
+ if (!IsWin95() && s->s_proto && strlen(s->s_proto))
+ d->s_proto = s->s_proto;
+ else
+#endif
+ if (proto && strlen(proto))
+ d->s_proto = (char *)proto;
+ else
+ d->s_proto = "tcp";
+
+ return d;
}