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Fix the re extension building for Win32.
[perl5.git] / win32 / win32sck.c
CommitLineData
326b05e3 1/* win32sck.c
68dc0745
PP
2 *
3 * (c) 1995 Microsoft Corporation. All rights reserved.
4 * Developed by hip communications inc., http://info.hip.com/info/
5 * Portions (c) 1993 Intergraph Corporation. All rights reserved.
6 *
7 * You may distribute under the terms of either the GNU General Public
8 * License or the Artistic License, as specified in the README file.
9 */
0a753a76 10
390b85e7 11#define WIN32IO_IS_STDIO
55d25626 12#define WIN32SCK_IS_STDSCK
0a753a76 13#define WIN32_LEAN_AND_MEAN
a835ef8a
NIS
14#ifdef __GNUC__
15#define Win32_Winsock
16#endif
390b85e7 17#include <windows.h>
0a753a76
PP
18#include "EXTERN.h"
19#include "perl.h"
c69f6586
GS
20
21#if defined(PERL_OBJECT)
22#define NO_XSLOCKS
c69f6586
GS
23#include "XSUB.h"
24#endif
25
58a50f62 26#include "Win32iop.h"
0a753a76
PP
27#include <sys/socket.h>
28#include <fcntl.h>
29#include <sys/stat.h>
30#include <assert.h>
390b85e7 31#include <io.h>
0a753a76 32
68dc0745 33/* thanks to Beverly Brown (beverly@datacube.com) */
326b05e3 34#ifdef USE_SOCKETS_AS_HANDLES
58a50f62 35# define OPEN_SOCKET(x) win32_open_osfhandle(x,O_RDWR|O_BINARY)
326b05e3 36# define TO_SOCKET(x) _get_osfhandle(x)
0a753a76 37#else
0a753a76
PP
38# define OPEN_SOCKET(x) (x)
39# define TO_SOCKET(x) (x)
68dc0745 40#endif /* USE_SOCKETS_AS_HANDLES */
0a753a76 41
0401f841 42#if defined(USE_THREADS) || defined(USE_ITHREADS)
326b05e3
GS
43#define StartSockets() \
44 STMT_START { \
45 if (!wsock_started) \
46 start_sockets(); \
0401f841 47 set_socktype(); \
326b05e3 48 } STMT_END
401ef382
SN
49#else
50#define StartSockets() \
51 STMT_START { \
52 if (!wsock_started) { \
53 start_sockets(); \
54 set_socktype(); \
55 } \
56 } STMT_END
57#endif
326b05e3 58
326b05e3
GS
59#define SOCKET_TEST(x, y) \
60 STMT_START { \
61 StartSockets(); \
62 if((x) == (y)) \
63 errno = WSAGetLastError(); \
64 } STMT_END
65
66#define SOCKET_TEST_ERROR(x) SOCKET_TEST(x, SOCKET_ERROR)
67
137443ea
PP
68static struct servent* win32_savecopyservent(struct servent*d,
69 struct servent*s,
70 const char *proto);
0a753a76 71
326b05e3 72static int wsock_started = 0;
68dc0745 73
b73db59c
GS
74EXTERN_C void
75EndSockets(void)
76{
77 if (wsock_started)
78 WSACleanup();
79}
80
68dc0745 81void
326b05e3 82start_sockets(void)
68dc0745 83{
c5be433b 84 dTHXo;
68dc0745
PP
85 unsigned short version;
86 WSADATA retdata;
87 int ret;
68dc0745 88
68dc0745
PP
89 /*
90 * initalize the winsock interface and insure that it is
91 * cleaned up at exit.
92 */
93 version = 0x101;
326b05e3 94 if(ret = WSAStartup(version, &retdata))
4f63d024 95 Perl_croak_nocontext("Unable to locate winsock library!\n");
68dc0745 96 if(retdata.wVersion != version)
4f63d024 97 Perl_croak_nocontext("Could not find version 1.1 of winsock dll\n");
68dc0745
PP
98
99 /* atexit((void (*)(void)) EndSockets); */
401ef382
SN
100 wsock_started = 1;
101}
0a753a76 102
401ef382
SN
103void
104set_socktype(void)
105{
0a753a76 106#ifdef USE_SOCKETS_AS_HANDLES
0401f841 107#if defined(USE_THREADS) || defined(USE_ITHREADS)
65c97e0f 108 dTHXo;
3352bfcb 109 if (!w32_init_socktype) {
401ef382 110#endif
3352bfcb
GS
111 int iSockOpt = SO_SYNCHRONOUS_NONALERT;
112 /*
113 * Enable the use of sockets as filehandles
114 */
115 setsockopt(INVALID_SOCKET, SOL_SOCKET, SO_OPENTYPE,
116 (char *)&iSockOpt, sizeof(iSockOpt));
0401f841 117#if defined(USE_THREADS) || defined(USE_ITHREADS)
3352bfcb 118 w32_init_socktype = 1;
401ef382
SN
119 }
120#endif
68dc0745 121#endif /* USE_SOCKETS_AS_HANDLES */
0a753a76
PP
122}
123
124
125#ifndef USE_SOCKETS_AS_HANDLES
f3986ebb 126#undef fdopen
68dc0745 127FILE *
f3986ebb 128my_fdopen(int fd, char *mode)
0a753a76 129{
68dc0745
PP
130 FILE *fp;
131 char sockbuf[256];
132 int optlen = sizeof(sockbuf);
133 int retval;
0a753a76 134
326b05e3 135 if (!wsock_started)
fb73857a 136 return(fdopen(fd, mode));
0a753a76 137
326b05e3
GS
138 retval = getsockopt((SOCKET)fd, SOL_SOCKET, SO_TYPE, sockbuf, &optlen);
139 if(retval == SOCKET_ERROR && WSAGetLastError() == WSAENOTSOCK) {
fb73857a 140 return(fdopen(fd, mode));
68dc0745 141 }
0a753a76 142
68dc0745
PP
143 /*
144 * If we get here, then fd is actually a socket.
145 */
4e945249 146 Newz(1310, fp, 1, FILE); /* XXX leak, good thing this code isn't used */
68dc0745
PP
147 if(fp == NULL) {
148 errno = ENOMEM;
149 return NULL;
150 }
0a753a76 151
68dc0745
PP
152 fp->_file = fd;
153 if(*mode == 'r')
154 fp->_flag = _IOREAD;
155 else
156 fp->_flag = _IOWRT;
157
158 return fp;
0a753a76 159}
68dc0745 160#endif /* USE_SOCKETS_AS_HANDLES */
0a753a76
PP
161
162
68dc0745
PP
163u_long
164win32_htonl(u_long hostlong)
0a753a76 165{
326b05e3
GS
166 StartSockets();
167 return htonl(hostlong);
0a753a76
PP
168}
169
68dc0745
PP
170u_short
171win32_htons(u_short hostshort)
0a753a76 172{
326b05e3
GS
173 StartSockets();
174 return htons(hostshort);
0a753a76
PP
175}
176
68dc0745
PP
177u_long
178win32_ntohl(u_long netlong)
0a753a76 179{
326b05e3
GS
180 StartSockets();
181 return ntohl(netlong);
0a753a76
PP
182}
183
68dc0745
PP
184u_short
185win32_ntohs(u_short netshort)
0a753a76 186{
326b05e3
GS
187 StartSockets();
188 return ntohs(netshort);
0a753a76
PP
189}
190
191
0a753a76 192
68dc0745
PP
193SOCKET
194win32_accept(SOCKET s, struct sockaddr *addr, int *addrlen)
0a753a76 195{
68dc0745 196 SOCKET r;
0a753a76 197
326b05e3 198 SOCKET_TEST((r = accept(TO_SOCKET(s), addr, addrlen)), INVALID_SOCKET);
68dc0745 199 return OPEN_SOCKET(r);
0a753a76
PP
200}
201
68dc0745
PP
202int
203win32_bind(SOCKET s, const struct sockaddr *addr, int addrlen)
0a753a76 204{
68dc0745 205 int r;
0a753a76 206
326b05e3 207 SOCKET_TEST_ERROR(r = bind(TO_SOCKET(s), addr, addrlen));
68dc0745 208 return r;
0a753a76
PP
209}
210
68dc0745
PP
211int
212win32_connect(SOCKET s, const struct sockaddr *addr, int addrlen)
0a753a76 213{
68dc0745 214 int r;
0a753a76 215
326b05e3 216 SOCKET_TEST_ERROR(r = connect(TO_SOCKET(s), addr, addrlen));
68dc0745 217 return r;
0a753a76
PP
218}
219
220
68dc0745
PP
221int
222win32_getpeername(SOCKET s, struct sockaddr *addr, int *addrlen)
0a753a76 223{
68dc0745 224 int r;
0a753a76 225
326b05e3 226 SOCKET_TEST_ERROR(r = getpeername(TO_SOCKET(s), addr, addrlen));
68dc0745 227 return r;
0a753a76
PP
228}
229
68dc0745
PP
230int
231win32_getsockname(SOCKET s, struct sockaddr *addr, int *addrlen)
0a753a76 232{
68dc0745 233 int r;
0a753a76 234
326b05e3 235 SOCKET_TEST_ERROR(r = getsockname(TO_SOCKET(s), addr, addrlen));
68dc0745 236 return r;
0a753a76
PP
237}
238
68dc0745
PP
239int
240win32_getsockopt(SOCKET s, int level, int optname, char *optval, int *optlen)
0a753a76 241{
68dc0745 242 int r;
0a753a76 243
326b05e3 244 SOCKET_TEST_ERROR(r = getsockopt(TO_SOCKET(s), level, optname, optval, optlen));
68dc0745 245 return r;
0a753a76
PP
246}
247
2d7a9237 248int
68dc0745 249win32_ioctlsocket(SOCKET s, long cmd, u_long *argp)
0a753a76 250{
68dc0745 251 int r;
0a753a76 252
326b05e3 253 SOCKET_TEST_ERROR(r = ioctlsocket(TO_SOCKET(s), cmd, argp));
68dc0745 254 return r;
0a753a76
PP
255}
256
68dc0745
PP
257int
258win32_listen(SOCKET s, int backlog)
0a753a76 259{
68dc0745 260 int r;
0a753a76 261
326b05e3 262 SOCKET_TEST_ERROR(r = listen(TO_SOCKET(s), backlog));
68dc0745 263 return r;
0a753a76
PP
264}
265
68dc0745
PP
266int
267win32_recv(SOCKET s, char *buf, int len, int flags)
0a753a76 268{
68dc0745 269 int r;
0a753a76 270
326b05e3 271 SOCKET_TEST_ERROR(r = recv(TO_SOCKET(s), buf, len, flags));
68dc0745 272 return r;
0a753a76
PP
273}
274
68dc0745
PP
275int
276win32_recvfrom(SOCKET s, char *buf, int len, int flags, struct sockaddr *from, int *fromlen)
0a753a76 277{
68dc0745 278 int r;
e4449fe1 279 int frombufsize = *fromlen;
0a753a76 280
326b05e3 281 SOCKET_TEST_ERROR(r = recvfrom(TO_SOCKET(s), buf, len, flags, from, fromlen));
e4449fe1
GS
282 /* Winsock's recvfrom() only returns a valid 'from' when the socket
283 * is connectionless. Perl expects a valid 'from' for all types
284 * of sockets, so go the extra mile.
285 */
286 if (r != SOCKET_ERROR && frombufsize == *fromlen)
287 (void)win32_getpeername(s, from, fromlen);
68dc0745 288 return r;
0a753a76
PP
289}
290
68dc0745
PP
291/* select contributed by Vincent R. Slyngstad (vrs@ibeam.intel.com) */
292int
55d25626 293win32_select(int nfds, Perl_fd_set* rd, Perl_fd_set* wr, Perl_fd_set* ex, const struct timeval* timeout)
0a753a76 294{
55d25626
GS
295 int r;
296#ifdef USE_SOCKETS_AS_HANDLES
297 Perl_fd_set dummy;
68dc0745 298 int i, fd, bit, offset;
55d25626 299 FD_SET nrd, nwr, nex, *prd, *pwr, *pex;
0a753a76 300
7e3be867
GS
301 /* winsock seems incapable of dealing with all three null fd_sets,
302 * so do the (millisecond) sleep as a special case
303 */
304 if (!(rd || wr || ex)) {
87c2f9c4
BZ
305 if (timeout)
306 Sleep(timeout->tv_sec * 1000 +
307 timeout->tv_usec / 1000); /* do the best we can */
308 else
309 Sleep(UINT_MAX);
7e3be867
GS
310 return 0;
311 }
f2bb5751 312 StartSockets();
55d25626 313 PERL_FD_ZERO(&dummy);
68dc0745
PP
314 if (!rd)
315 rd = &dummy, prd = NULL;
316 else
317 prd = &nrd;
318 if (!wr)
319 wr = &dummy, pwr = NULL;
320 else
321 pwr = &nwr;
322 if (!ex)
323 ex = &dummy, pex = NULL;
324 else
325 pex = &nex;
0a753a76 326
68dc0745
PP
327 FD_ZERO(&nrd);
328 FD_ZERO(&nwr);
329 FD_ZERO(&nex);
330 for (i = 0; i < nfds; i++) {
331 fd = TO_SOCKET(i);
55d25626 332 if (PERL_FD_ISSET(i,rd))
68dc0745 333 FD_SET(fd, &nrd);
55d25626 334 if (PERL_FD_ISSET(i,wr))
68dc0745 335 FD_SET(fd, &nwr);
55d25626 336 if (PERL_FD_ISSET(i,ex))
68dc0745
PP
337 FD_SET(fd, &nex);
338 }
339
326b05e3 340 SOCKET_TEST_ERROR(r = select(nfds, prd, pwr, pex, timeout));
0a753a76 341
68dc0745
PP
342 for (i = 0; i < nfds; i++) {
343 fd = TO_SOCKET(i);
55d25626
GS
344 if (PERL_FD_ISSET(i,rd) && !FD_ISSET(fd, &nrd))
345 PERL_FD_CLR(i,rd);
346 if (PERL_FD_ISSET(i,wr) && !FD_ISSET(fd, &nwr))
347 PERL_FD_CLR(i,wr);
348 if (PERL_FD_ISSET(i,ex) && !FD_ISSET(fd, &nex))
349 PERL_FD_CLR(i,ex);
68dc0745 350 }
55d25626
GS
351#else
352 SOCKET_TEST_ERROR(r = select(nfds, rd, wr, ex, timeout));
353#endif
68dc0745 354 return r;
0a753a76
PP
355}
356
68dc0745
PP
357int
358win32_send(SOCKET s, const char *buf, int len, int flags)
0a753a76 359{
68dc0745 360 int r;
0a753a76 361
326b05e3 362 SOCKET_TEST_ERROR(r = send(TO_SOCKET(s), buf, len, flags));
68dc0745 363 return r;
0a753a76
PP
364}
365
68dc0745
PP
366int
367win32_sendto(SOCKET s, const char *buf, int len, int flags,
368 const struct sockaddr *to, int tolen)
0a753a76 369{
68dc0745 370 int r;
0a753a76 371
326b05e3 372 SOCKET_TEST_ERROR(r = sendto(TO_SOCKET(s), buf, len, flags, to, tolen));
68dc0745 373 return r;
0a753a76
PP
374}
375
68dc0745
PP
376int
377win32_setsockopt(SOCKET s, int level, int optname, const char *optval, int optlen)
0a753a76 378{
68dc0745 379 int r;
0a753a76 380
326b05e3 381 SOCKET_TEST_ERROR(r = setsockopt(TO_SOCKET(s), level, optname, optval, optlen));
68dc0745 382 return r;
0a753a76
PP
383}
384
68dc0745
PP
385int
386win32_shutdown(SOCKET s, int how)
0a753a76 387{
68dc0745 388 int r;
0a753a76 389
326b05e3 390 SOCKET_TEST_ERROR(r = shutdown(TO_SOCKET(s), how));
68dc0745 391 return r;
0a753a76
PP
392}
393
3a25acb4
GS
394int
395win32_closesocket(SOCKET s)
396{
397 int r;
398
399 SOCKET_TEST_ERROR(r = closesocket(TO_SOCKET(s)));
400 return r;
401}
402
68dc0745
PP
403SOCKET
404win32_socket(int af, int type, int protocol)
0a753a76 405{
68dc0745 406 SOCKET s;
0a753a76
PP
407
408#ifndef USE_SOCKETS_AS_HANDLES
326b05e3 409 SOCKET_TEST(s = socket(af, type, protocol), INVALID_SOCKET);
0a753a76 410#else
3a25acb4 411 StartSockets();
326b05e3
GS
412 if((s = socket(af, type, protocol)) == INVALID_SOCKET)
413 errno = WSAGetLastError();
68dc0745
PP
414 else
415 s = OPEN_SOCKET(s);
416#endif /* USE_SOCKETS_AS_HANDLES */
0a753a76 417
68dc0745 418 return s;
0a753a76
PP
419}
420
fb73857a
PP
421#undef fclose
422int
423my_fclose (FILE *pf)
424{
4e945249 425 int osf;
326b05e3
GS
426 if (!wsock_started) /* No WinSock? */
427 return(fclose(pf)); /* Then not a socket. */
428 osf = TO_SOCKET(fileno(pf));/* Get it now before it's gone! */
d3d49e29
GS
429 if (osf != -1) {
430 int err;
431 win32_fflush(pf);
432 err = closesocket(osf);
433 if (err == 0) {
9114b071 434#if defined(USE_FIXED_OSFHANDLE) || defined(PERL_MSVCRT_READFIX)
a10b7b7e 435 _set_osfhnd(fileno(pf), INVALID_HANDLE_VALUE);
9114b071 436#endif
d3d49e29
GS
437 (void)fclose(pf); /* handle already closed, ignore error */
438 return 0;
439 }
440 else if (err == SOCKET_ERROR) {
441 err = WSAGetLastError();
442 if (err != WSAENOTSOCK) {
443 (void)fclose(pf);
444 errno = err;
445 return EOF;
446 }
447 }
326b05e3 448 }
d3d49e29 449 return fclose(pf);
fb73857a
PP
450}
451
68dc0745
PP
452struct hostent *
453win32_gethostbyaddr(const char *addr, int len, int type)
0a753a76 454{
68dc0745 455 struct hostent *r;
0a753a76 456
326b05e3 457 SOCKET_TEST(r = gethostbyaddr(addr, len, type), NULL);
68dc0745 458 return r;
0a753a76
PP
459}
460
68dc0745
PP
461struct hostent *
462win32_gethostbyname(const char *name)
0a753a76 463{
68dc0745 464 struct hostent *r;
0a753a76 465
326b05e3 466 SOCKET_TEST(r = gethostbyname(name), NULL);
68dc0745 467 return r;
0a753a76
PP
468}
469
68dc0745
PP
470int
471win32_gethostname(char *name, int len)
0a753a76 472{
68dc0745 473 int r;
0a753a76 474
326b05e3 475 SOCKET_TEST_ERROR(r = gethostname(name, len));
68dc0745 476 return r;
0a753a76
PP
477}
478
68dc0745
PP
479struct protoent *
480win32_getprotobyname(const char *name)
0a753a76 481{
68dc0745 482 struct protoent *r;
0a753a76 483
326b05e3 484 SOCKET_TEST(r = getprotobyname(name), NULL);
68dc0745 485 return r;
0a753a76
PP
486}
487
68dc0745
PP
488struct protoent *
489win32_getprotobynumber(int num)
0a753a76 490{
68dc0745 491 struct protoent *r;
0a753a76 492
326b05e3 493 SOCKET_TEST(r = getprotobynumber(num), NULL);
68dc0745 494 return r;
0a753a76
PP
495}
496
68dc0745
PP
497struct servent *
498win32_getservbyname(const char *name, const char *proto)
0a753a76 499{
c5be433b 500 dTHXo;
68dc0745 501 struct servent *r;
c53bd28a 502
326b05e3 503 SOCKET_TEST(r = getservbyname(name, proto), NULL);
68dc0745 504 if (r) {
3352bfcb 505 r = win32_savecopyservent(&w32_servent, r, proto);
68dc0745
PP
506 }
507 return r;
0a753a76
PP
508}
509
68dc0745
PP
510struct servent *
511win32_getservbyport(int port, const char *proto)
0a753a76 512{
c5be433b 513 dTHXo;
68dc0745 514 struct servent *r;
0a753a76 515
326b05e3 516 SOCKET_TEST(r = getservbyport(port, proto), NULL);
68dc0745 517 if (r) {
3352bfcb 518 r = win32_savecopyservent(&w32_servent, r, proto);
68dc0745
PP
519 }
520 return r;
0a753a76
PP
521}
522
f998180f
GS
523int
524win32_ioctl(int i, unsigned int u, char *data)
525{
c5be433b 526 dTHXo;
f998180f
GS
527 u_long argp = (u_long)data;
528 int retval;
529
530 if (!wsock_started) {
4f63d024 531 Perl_croak_nocontext("ioctl implemented only on sockets");
f998180f
GS
532 /* NOTREACHED */
533 }
534
535 retval = ioctlsocket(TO_SOCKET(i), (long)u, &argp);
536 if (retval == SOCKET_ERROR) {
537 if (WSAGetLastError() == WSAENOTSOCK) {
4f63d024 538 Perl_croak_nocontext("ioctl implemented only on sockets");
f998180f
GS
539 /* NOTREACHED */
540 }
541 errno = WSAGetLastError();
542 }
543 return retval;
544}
545
68dc0745
PP
546char FAR *
547win32_inet_ntoa(struct in_addr in)
0a753a76 548{
326b05e3
GS
549 StartSockets();
550 return inet_ntoa(in);
0a753a76
PP
551}
552
68dc0745
PP
553unsigned long
554win32_inet_addr(const char FAR *cp)
0a753a76 555{
326b05e3
GS
556 StartSockets();
557 return inet_addr(cp);
0a753a76 558}
68dc0745
PP
559
560/*
561 * Networking stubs
562 */
0a753a76 563
68dc0745
PP
564void
565win32_endhostent()
0a753a76 566{
c5be433b 567 dTHXo;
4f63d024 568 Perl_croak_nocontext("endhostent not implemented!\n");
0a753a76
PP
569}
570
68dc0745
PP
571void
572win32_endnetent()
0a753a76 573{
c5be433b 574 dTHXo;
4f63d024 575 Perl_croak_nocontext("endnetent not implemented!\n");
0a753a76
PP
576}
577
68dc0745
PP
578void
579win32_endprotoent()
0a753a76 580{
c5be433b 581 dTHXo;
4f63d024 582 Perl_croak_nocontext("endprotoent not implemented!\n");
0a753a76
PP
583}
584
68dc0745
PP
585void
586win32_endservent()
0a753a76 587{
c5be433b 588 dTHXo;
4f63d024 589 Perl_croak_nocontext("endservent not implemented!\n");
0a753a76
PP
590}
591
592
68dc0745
PP
593struct netent *
594win32_getnetent(void)
0a753a76 595{
c5be433b 596 dTHXo;
4f63d024 597 Perl_croak_nocontext("getnetent not implemented!\n");
68dc0745 598 return (struct netent *) NULL;
0a753a76
PP
599}
600
68dc0745
PP
601struct netent *
602win32_getnetbyname(char *name)
0a753a76 603{
c5be433b 604 dTHXo;
4f63d024 605 Perl_croak_nocontext("getnetbyname not implemented!\n");
68dc0745 606 return (struct netent *)NULL;
0a753a76
PP
607}
608
68dc0745
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609struct netent *
610win32_getnetbyaddr(long net, int type)
0a753a76 611{
c5be433b 612 dTHXo;
4f63d024 613 Perl_croak_nocontext("getnetbyaddr not implemented!\n");
68dc0745 614 return (struct netent *)NULL;
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615}
616
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617struct protoent *
618win32_getprotoent(void)
0a753a76 619{
c5be433b 620 dTHXo;
4f63d024 621 Perl_croak_nocontext("getprotoent not implemented!\n");
68dc0745 622 return (struct protoent *) NULL;
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623}
624
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625struct servent *
626win32_getservent(void)
0a753a76 627{
c5be433b 628 dTHXo;
4f63d024 629 Perl_croak_nocontext("getservent not implemented!\n");
68dc0745 630 return (struct servent *) NULL;
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631}
632
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633void
634win32_sethostent(int stayopen)
0a753a76 635{
c5be433b 636 dTHXo;
4f63d024 637 Perl_croak_nocontext("sethostent not implemented!\n");
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638}
639
640
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641void
642win32_setnetent(int stayopen)
0a753a76 643{
c5be433b 644 dTHXo;
4f63d024 645 Perl_croak_nocontext("setnetent not implemented!\n");
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646}
647
648
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649void
650win32_setprotoent(int stayopen)
0a753a76 651{
c5be433b 652 dTHXo;
4f63d024 653 Perl_croak_nocontext("setprotoent not implemented!\n");
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654}
655
656
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657void
658win32_setservent(int stayopen)
0a753a76 659{
c5be433b 660 dTHXo;
4f63d024 661 Perl_croak_nocontext("setservent not implemented!\n");
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662}
663
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664static struct servent*
665win32_savecopyservent(struct servent*d, struct servent*s, const char *proto)
666{
667 d->s_name = s->s_name;
668 d->s_aliases = s->s_aliases;
669 d->s_port = s->s_port;
0af56dfe 670#ifndef __BORLANDC__ /* Buggy on Win95 and WinNT-with-Borland-WSOCK */
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671 if (!IsWin95() && s->s_proto && strlen(s->s_proto))
672 d->s_proto = s->s_proto;
0af56dfe
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673 else
674#endif
c69f6586 675 if (proto && strlen(proto))
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676 d->s_proto = (char *)proto;
677 else
678 d->s_proto = "tcp";
679
680 return d;
681}
682
0a753a76 683