git.oblomov.eu Git - wine/blob - misc/winsock.c

   1 /*
   2  * based on Windows Sockets 1.1 specs
   3  * (ftp.microsoft.com:/Advsys/winsock/spec11/WINSOCK.TXT)
   4  *
   5  * (C) 1993,1994,1996,1997 John Brezak, Erik Bos, Alex Korobka.
   6  *
   7  * NOTE: If you make any changes to fix a particular app, make sure
   8  * they don't break something else like Netscape or telnet and ftp
   9  * clients and servers (www.winsite.com got a lot of those).
  10  *
  11  */
  12
  13 #include "config.h"
  14
  15 #include <string.h>
  16 #include <signal.h>
  17 #include <sys/types.h>
  18 #include <sys/ipc.h>
  19 #include <sys/ioctl.h>
  20 #ifdef HAVE_SYS_FILIO_H
  21 # include <sys/filio.h>
  22 #endif
  23 #if defined(__svr4__)
  24 #include <sys/ioccom.h>
  25 #include <sys/sockio.h>
  26 #endif
  27
  28 #if defined(__EMX__)
  29 # include <sys/so_ioctl.h>
  30 #endif
  31
  32 #ifdef HAVE_SYS_PARAM_H
  33 # include <sys/param.h>
  34 #endif
  35
  36 #include <sys/msg.h>
  37 #include <sys/wait.h>
  38 #include <sys/socket.h>
  39 #include <netinet/in.h>
  40 #include <arpa/inet.h>
  41 #include <ctype.h>
  42 #include <fcntl.h>
  43 #include <errno.h>
  44 #include <sys/errno.h>
  45 #include <netdb.h>
  46 #include <unistd.h>
  47
  48 #include "winsock.h"
  49 #include "windows.h"
  50 #include "winnt.h"
  51 #include "heap.h"
  52 #include "ldt.h"
  53 #include "task.h"
  54 #include "message.h"
  55 #include "miscemu.h"
  56 #include "debug.h"
  57
  58 #define DEBUG_SOCKADDR 0
  59 #define dump_sockaddr(a) \
  60         DUMP("sockaddr_in: family %d, address %s, port %d\n", \
  61                         ((struct sockaddr_in *)a)->sin_family, \
  62                         inet_ntoa(((struct sockaddr_in *)a)->sin_addr), \
  63                         ntohs(((struct sockaddr_in *)a)->sin_port))
  64
  65 #pragma pack(4)
  66
  67 /* ----------------------------------- internal data */
  68
  69 static HANDLE32         _WSHeap = 0;
  70 static unsigned char*   _ws_stub = NULL;
  71 static LPWSINFO         _wsi_list = NULL;
  72
  73 #define WS_ALLOC(size) \
  74         HeapAlloc(_WSHeap, HEAP_ZERO_MEMORY, (size) )
  75 #define WS_FREE(ptr) \
  76         HeapFree(_WSHeap, 0, (ptr) )
  77
  78 #define WS_PTR2HANDLE(ptr) \
  79         ((short)((int)(ptr) - (int)_ws_stub))
  80 #define WS_HANDLE2PTR(handle) \
  81         ((unsigned)((int)_ws_stub + (int)(handle)))
  82
  83 #define WSI_CHECK_RANGE(pwsi, pws) \
  84         ( ((unsigned)(pws) > (unsigned)(pwsi)) && \
  85           ((unsigned)(pws) < ((unsigned)(pwsi) + sizeof(WSINFO))) )
  86
  87 static INT32         _ws_sock_ops[] =
  88        { WS_SO_DEBUG, WS_SO_REUSEADDR, WS_SO_KEEPALIVE, WS_SO_DONTROUTE,
  89          WS_SO_BROADCAST, WS_SO_LINGER, WS_SO_OOBINLINE, WS_SO_SNDBUF,
  90          WS_SO_RCVBUF, WS_SO_ERROR, WS_SO_TYPE, WS_SO_DONTLINGER, 0 };
  91 static int           _px_sock_ops[] =
  92        { SO_DEBUG, SO_REUSEADDR, SO_KEEPALIVE, SO_DONTROUTE, SO_BROADCAST,
  93          SO_LINGER, SO_OOBINLINE, SO_SNDBUF, SO_RCVBUF, SO_ERROR, SO_TYPE,
  94          SO_LINGER };
  95
  96 static int   _check_ws(LPWSINFO pwsi, ws_socket* pws);
  97 static char* _check_buffer(LPWSINFO pwsi, int size);
  98
  99 /***********************************************************************
 100  *          convert_sockopt()
 101  *
 102  * Converts socket flags from Windows format.
 103  */
 104 static void convert_sockopt(INT32 *level, INT32 *optname)
 105 {
 106   int i;
 107   switch (*level)
 108   {
 109      case WS_SOL_SOCKET:
 110         *level = SOL_SOCKET;
 111         for(i=0; _ws_sock_ops[i]; i++)
 112             if( _ws_sock_ops[i] == *optname ) break;
 113         if( _ws_sock_ops[i] ) *optname = _px_sock_ops[i];
 114         else WARN(winsock, "Unknown optname %d\n", *optname);
 115         break;
 116      case WS_IPPROTO_TCP:
 117         *optname = IPPROTO_TCP;
 118   }
 119 }
 120
 121 /* ----------------------------------- Per-thread info (or per-process?) */
 122
 123 static LPWSINFO wsi_find(HTASK16 hTask)
 124 {
 125     TDB*           pTask = (TDB*)GlobalLock16(hTask);
 126     if( pTask )
 127     {
 128         if( pTask->pwsi ) return pTask->pwsi;
 129         else
 130         {
 131             LPWSINFO pwsi = _wsi_list;
 132             while( pwsi && pwsi->tid != hTask ) pwsi = pwsi->next;
 133             if( pwsi )
 134                 WARN(winsock,"(pwsi=0x%08x,task=0x%04x):Loose wsi struct! \n",
 135                                         (unsigned)pwsi, hTask );
 136             return pwsi;
 137         }
 138     }
 139     return NULL;
 140 }
 141
 142 static ws_socket* wsi_alloc_socket(LPWSINFO pwsi, int fd)
 143 {
 144     /* Initialize a new entry in the socket table */
 145
 146     if( pwsi->last_free >= 0 )
 147     {
 148         int i = pwsi->last_free;
 149
 150         pwsi->last_free = pwsi->sock[i].flags;  /* free list */
 151         pwsi->sock[i].fd = fd;
 152         pwsi->sock[i].flags = 0;
 153         return &pwsi->sock[i];
 154     }
 155     return NULL;
 156 }
 157
 158 static int wsi_strtolo(LPWSINFO pwsi, const char* name, const char* opt)
 159 {
 160     /* Stuff a lowercase copy of the string into the local buffer */
 161
 162     int i = strlen(name) + 2;
 163     char* p = _check_buffer(pwsi, i + ((opt)?strlen(opt):0));
 164
 165     if( p )
 166     {
 167         do *p++ = tolower(*name); while(*name++);
 168         i = (p - (char*)(pwsi->buffer));
 169         if( opt ) do *p++ = tolower(*opt); while(*opt++);
 170         return i;
 171     }
 172     return 0;
 173 }
 174
 175 static fd_set* fd_set_import( fd_set* fds, LPWSINFO pwsi, void* wsfds, int* highfd, BOOL32 b32 )
 176 {
 177     /* translate Winsock fd set into local fd set */
 178
 179     if( wsfds )
 180     {
 181 #define wsfds16 ((ws_fd_set16*)wsfds)
 182 #define wsfds32 ((ws_fd_set32*)wsfds)
 183         ws_socket* pws;
 184         int i, count;
 185
 186         FD_ZERO(fds);
 187         count = b32 ? wsfds32->fd_count : wsfds16->fd_count;
 188
 189         for( i = 0; i < count; i++ )
 190         {
 191              pws = (b32) ? (ws_socket*)WS_HANDLE2PTR(wsfds32->fd_array[i])
 192                          : (ws_socket*)WS_HANDLE2PTR(wsfds16->fd_array[i]);
 193              if( _check_ws(pwsi, pws) )
 194              {
 195                     if( pws->fd > *highfd ) *highfd = pws->fd;
 196                     FD_SET(pws->fd, fds);
 197              }
 198         }
 199 #undef wsfds32
 200 #undef wsfds16
 201         return fds;
 202     }
 203     return NULL;
 204 }
 205
 206 __inline__ static int sock_error_p(int s)
 207 {
 208     unsigned int optval, optlen;
 209
 210     optlen = sizeof(optval);
 211     getsockopt(s, SOL_SOCKET, SO_ERROR, &optval, &optlen);
 212     if (optval) WARN(winsock, "\t[%i] error: %d\n", s, optval);
 213     return optval != 0;
 214 }
 215
 216 static int fd_set_export( LPWSINFO pwsi, fd_set* fds, fd_set* exceptfds, void* wsfds, BOOL32 b32 )
 217 {
 218     int num_err = 0;
 219
 220     /* translate local fd set into Winsock fd set, adding
 221      * errors to exceptfds (only if app requested it) */
 222
 223     if( wsfds )
 224     {
 225 #define wsfds16 ((ws_fd_set16*)wsfds)
 226 #define wsfds32 ((ws_fd_set32*)wsfds)
 227         int i, j, count = (b32) ? wsfds32->fd_count : wsfds16->fd_count;
 228
 229         for( i = 0, j = 0; i < count; i++ )
 230         {
 231             ws_socket *pws = (b32) ? (ws_socket*)WS_HANDLE2PTR(wsfds32->fd_array[i])
 232                                    : (ws_socket*)WS_HANDLE2PTR(wsfds16->fd_array[i]);
 233             if( _check_ws(pwsi, pws) )
 234             {
 235                 int fd = pws->fd;
 236
 237                 if( FD_ISSET(fd, fds) )
 238                 {
 239                     if ( exceptfds && sock_error_p(fd) )
 240                     {
 241                         FD_SET(fd, exceptfds);
 242                         num_err++;
 243                     }
 244                     else if( b32 )
 245                              wsfds32->fd_array[j++] = wsfds32->fd_array[i];
 246                          else
 247                              wsfds16->fd_array[j++] = wsfds16->fd_array[i];
 248                 }
 249             }
 250         }
 251
 252         if( b32 ) wsfds32->fd_count = j;
 253         else wsfds16->fd_count = j;
 254
 255         TRACE(winsock, "\n");
 256 #undef wsfds32
 257 #undef wsfds16
 258     }
 259     return num_err;
 260 }
 261
 262 HANDLE16 __ws_gethandle( void* ptr )
 263 {
 264     return (HANDLE16)WS_PTR2HANDLE(ptr);
 265 }
 266
 267 void* __ws_memalloc( int size )
 268 {
 269     return WS_ALLOC(size);
 270 }
 271
 272 void __ws_memfree(void* ptr)
 273 {
 274     WS_FREE(ptr);
 275 }
 276
 277 /* ----------------------------------- API -----
 278  *
 279  * Init / cleanup / error checking.
 280  */
 281
 282 /***********************************************************************
 283  *      WSAStartup16()                  (WINSOCK.115)
 284  *
 285  * Create socket control struct, attach it to the global list and
 286  * update a pointer in the task struct.
 287  */
 288 INT16 WINAPI WSAStartup16(UINT16 wVersionRequested, LPWSADATA lpWSAData)
 289 {
 290     WSADATA WINSOCK_data = { 0x0101, 0x0101,
 291                           "WINE Sockets 1.1",
 292                         #ifdef linux
 293                                 "Linux/i386",
 294                         #elif defined(__NetBSD__)
 295                                 "NetBSD/i386",
 296                         #elif defined(sunos)
 297                                 "SunOS",
 298                         #elif defined(__FreeBSD__)
 299                                 "FreeBSD",
 300                         #elif defined(__OpenBSD__)
 301                                 "OpenBSD/i386",
 302                         #else
 303                                 "Unknown",
 304                         #endif
 305                            WS_MAX_SOCKETS_PER_PROCESS,
 306                            WS_MAX_UDP_DATAGRAM, (SEGPTR)NULL };
 307     HTASK16             tid = GetCurrentTask();
 308     LPWSINFO            pwsi;
 309
 310     TRACE(winsock, "verReq=%x\n", wVersionRequested);
 311
 312     if (LOBYTE(wVersionRequested) < 1 || (LOBYTE(wVersionRequested) == 1 &&
 313         HIBYTE(wVersionRequested) < 1)) return WSAVERNOTSUPPORTED;
 314
 315     if (!lpWSAData) return WSAEINVAL;
 316
 317     /* initialize socket heap */
 318
 319     if( !_ws_stub )
 320     {
 321         _WSHeap = HeapCreate(HEAP_ZERO_MEMORY, 8120, 32768);
 322         if( !(_ws_stub = WS_ALLOC(0x10)) )
 323         {
 324             ERR(winsock,"Fatal: failed to create WinSock heap\n");
 325             return 0;
 326         }
 327     }
 328     if( _WSHeap == 0 ) return WSASYSNOTREADY;
 329
 330     /* create socket array for this task */
 331
 332     pwsi = wsi_find(GetCurrentTask());
 333     if( pwsi == NULL )
 334     {
 335         TDB* pTask = (TDB*)GlobalLock16( tid );
 336
 337         if( (pwsi = (LPWSINFO)WS_ALLOC( sizeof(WSINFO))) )
 338         {
 339             int i = 0;
 340             pwsi->tid = tid;
 341             for( i = 0; i < WS_MAX_SOCKETS_PER_PROCESS; i++ )
 342             {
 343                 pwsi->sock[i].fd = -1;
 344                 pwsi->sock[i].flags = i + 1;
 345             }
 346             pwsi->sock[WS_MAX_SOCKETS_PER_PROCESS - 1].flags = -1;
 347         }
 348         else return WSASYSNOTREADY;
 349
 350         /* add this control struct to the global list */
 351
 352         pwsi->prev = NULL;
 353         if( _wsi_list )
 354             _wsi_list->prev = pwsi;
 355         pwsi->next = _wsi_list;
 356         _wsi_list = pwsi;
 357         pTask->pwsi = pwsi;
 358     }
 359     else pwsi->num_startup++;
 360
 361     /* return winsock information */
 362
 363     memcpy(lpWSAData, &WINSOCK_data, sizeof(WINSOCK_data));
 364
 365     TRACE(winsock, "succeeded\n");
 366     return 0;
 367 }
 368
 369 /***********************************************************************
 370  *      WSAStartup32()                  (WSOCK32.115)
 371  */
 372 INT32 WINAPI WSAStartup32(UINT32 wVersionRequested, LPWSADATA lpWSAData)
 373 {
 374     return WSAStartup16( wVersionRequested, lpWSAData );
 375 }
 376
 377 /***********************************************************************
 378  *      WSACleanup()                    (WINSOCK.116)
 379  *
 380  * Cleanup functions of varying impact.
 381  */
 382 void WINSOCK_Shutdown()
 383 {
 384     /* Called on exit(), has to remove all outstanding async DNS processes.  */
 385
 386     WINSOCK_cancel_task_aops( 0, __ws_memfree );
 387 }
 388
 389 INT32 WINSOCK_DeleteTaskWSI( TDB* pTask, LPWSINFO pwsi )
 390 {
 391     /* WSACleanup() backend, called on task termination as well.
 392      * Real DLL would have registered its own signal handler with
 393      * TaskSetSignalHandler() and waited until USIG_TERMINATION/USIG_GPF
 394      * but this scheme is much more straightforward.
 395      */
 396
 397     int i, j, n;
 398
 399     if( --pwsi->num_startup > 0 ) return 0;
 400
 401     SIGNAL_MaskAsyncEvents( TRUE );
 402     WINSOCK_cancel_task_aops( pTask->hSelf, __ws_memfree );
 403     SIGNAL_MaskAsyncEvents( FALSE );
 404
 405     /* unlink socket control struct */
 406
 407     if( pwsi == _wsi_list )
 408         _wsi_list = pwsi->next;
 409     else
 410         pwsi->prev->next = pwsi->next;
 411     if( pwsi->next ) pwsi->next->prev = pwsi->prev;
 412
 413     if( _wsi_list == NULL )
 414         WINSOCK_Shutdown();     /* just in case */
 415
 416     if( pwsi->flags & WSI_BLOCKINGCALL )
 417         TRACE(winsock,"\tinside blocking call!\n");
 418
 419 /* FIXME: aop_control() doesn't decrement pwsi->num_async_rq
 420  *
 421  *    if( pwsi->num_async_rq )
 422  *        WARN(winsock,"\thave %i outstanding async ops!\n", pwsi->num_async_rq );
 423  */
 424
 425     for(i = 0, j = 0, n = 0; i < WS_MAX_SOCKETS_PER_PROCESS; i++)
 426         if( pwsi->sock[i].fd != -1 )
 427         {
 428             if( pwsi->sock[i].psop )
 429             {
 430                 n++;
 431                 WSAAsyncSelect32( (SOCKET16)WS_PTR2HANDLE(pwsi->sock + i), 0, 0, 0 );
 432             }
 433             close(pwsi->sock[i].fd); j++;
 434         }
 435     if( j )
 436           TRACE(winsock,"\tclosed %i sockets, killed %i async selects!\n", j, n);
 437
 438     /* delete scratch buffers */
 439
 440     if( pwsi->buffer ) SEGPTR_FREE(pwsi->buffer);
 441     if( pwsi->dbuffer ) SEGPTR_FREE(pwsi->dbuffer);
 442
 443     if( pTask )
 444         pTask->pwsi = NULL;
 445     memset( pwsi, 0, sizeof(WSINFO) );
 446     WS_FREE(pwsi);
 447     return 0;
 448 }
 449
 450 INT32 WINAPI WSACleanup(void)
 451 {
 452     HTASK16     hTask = GetCurrentTask();
 453
 454     TRACE(winsock, "(%04x)\n", hTask );
 455     if( hTask )
 456     {
 457         LPWSINFO pwsi = wsi_find(hTask);
 458         if( pwsi )
 459             return WINSOCK_DeleteTaskWSI( (TDB*)GlobalLock16(hTask), pwsi );
 460         return SOCKET_ERROR;
 461     }
 462     else
 463         WINSOCK_Shutdown(); /* remove all outstanding DNS requests */
 464     return 0;
 465 }
 466
 467
 468 /***********************************************************************
 469  *      WSAGetLastError()               (WSOCK32.111)(WINSOCK.111)
 470  */
 471 INT32 WINAPI WSAGetLastError(void)
 472 {
 473     LPWSINFO pwsi = wsi_find(GetCurrentTask());
 474     INT16    ret = (pwsi) ? pwsi->err : WSANOTINITIALISED;
 475
 476     TRACE(winsock, "(%08x) = %i\n",
 477                     (unsigned)pwsi, (int)ret);
 478     return ret;
 479 }
 480
 481 /***********************************************************************
 482  *      WSASetLastError32()             (WSOCK32.112)
 483  */
 484 void WINAPI WSASetLastError32(INT32 iError)
 485 {
 486     LPWSINFO      pwsi = wsi_find(GetCurrentTask());
 487
 488     TRACE(winsock, "(%08x): %d\n", (unsigned)pwsi, (int)iError);
 489     if( pwsi ) pwsi->err = iError;
 490 }
 491
 492 /***********************************************************************
 493  *      WSASetLastError16()             (WINSOCK.112)
 494  */
 495 void WINAPI WSASetLastError16(INT16 iError)
 496 {
 497     WSASetLastError32(iError);
 498 }
 499
 500 int _check_ws(LPWSINFO pwsi, ws_socket* pws)
 501 {
 502     if( pwsi )
 503     {
 504         if( pwsi->flags & WSI_BLOCKINGCALL ) pwsi->err = WSAEINPROGRESS;
 505         else if( WSI_CHECK_RANGE(pwsi, pws) ) return 1;
 506                  else pwsi->err = WSAENOTSOCK;
 507     }
 508     return 0;
 509 }
 510
 511 char* _check_buffer(LPWSINFO pwsi, int size)
 512 {
 513     if( pwsi->buffer && pwsi->buflen >= size ) return pwsi->buffer;
 514     else SEGPTR_FREE(pwsi->buffer);
 515
 516     pwsi->buffer = (char*)SEGPTR_ALLOC((pwsi->buflen = size));
 517     return pwsi->buffer;
 518 }
 519
 520 struct ws_hostent* _check_buffer_he(LPWSINFO pwsi, int size)
 521 {
 522     if( pwsi->he && pwsi->helen >= size ) return pwsi->he;
 523     else SEGPTR_FREE(pwsi->he);
 524
 525     pwsi->he = (struct ws_hostent*)SEGPTR_ALLOC((pwsi->helen = size));
 526     return pwsi->he;
 527 }
 528
 529 struct ws_servent* _check_buffer_se(LPWSINFO pwsi, int size)
 530 {
 531     if( pwsi->se && pwsi->selen >= size ) return pwsi->se;
 532     else SEGPTR_FREE(pwsi->se);
 533
 534     pwsi->se = (struct ws_servent*)SEGPTR_ALLOC((pwsi->selen = size));
 535     return pwsi->se;
 536 }
 537
 538 struct ws_protoent* _check_buffer_pe(LPWSINFO pwsi, int size)
 539 {
 540     if( pwsi->pe && pwsi->pelen >= size ) return pwsi->pe;
 541     else SEGPTR_FREE(pwsi->pe);
 542
 543     pwsi->pe = (struct ws_protoent*)SEGPTR_ALLOC((pwsi->pelen = size));
 544     return pwsi->pe;
 545 }
 546
 547 /* ----------------------------------- i/o APIs */
 548
 549 /***********************************************************************
 550  *              accept()                (WSOCK32.1)
 551  */
 552 SOCKET32 WINAPI WINSOCK_accept32(SOCKET32 s, struct sockaddr *addr,
 553                                  INT32 *addrlen32)
 554 {
 555     ws_socket*               pws  = (ws_socket*)WS_HANDLE2PTR((SOCKET16)s);
 556     LPWSINFO                 pwsi = wsi_find(GetCurrentTask());
 557 #ifdef HAVE_LINUX_IPX_H
 558     struct ws_sockaddr_ipx*  addr2 = (struct ws_sockaddr_ipx *)addr;
 559 #endif
 560
 561     TRACE(winsock, "(%08x): socket %04x\n",
 562                                   (unsigned)pwsi, (UINT16)s );
 563     if( _check_ws(pwsi, pws) )
 564     {
 565         int     sock, fd_flags;
 566
 567         fd_flags = fcntl(pws->fd, F_GETFL, 0);
 568
 569         if( (sock = accept(pws->fd, addr, addrlen32)) >= 0 )
 570         {
 571             ws_socket*  pnew = wsi_alloc_socket(pwsi, sock);
 572             if( pnew )
 573             {
 574                 s = (SOCKET32)WS_PTR2HANDLE(pnew);
 575                 if( pws->psop && pws->flags & WS_FD_ACCEPT )
 576                 {
 577                     EVENT_AddIO( pws->fd, EVENT_IO_READ );      /* reenabler */
 578
 579                     /* async select the accept()'ed socket */
 580                     WSAAsyncSelect32( s, pws->psop->hWnd, pws->psop->uMsg,
 581                                       pws->flags & ~WS_FD_ACCEPT );
 582                 }
 583 #ifdef HAVE_LINUX_IPX_H
 584                 if (addr && ((struct sockaddr_ipx *)addr)->sipx_family == AF_IPX) {
 585                     addr = (struct sockaddr *)
 586                                 malloc(addrlen32 ? *addrlen32 : sizeof(*addr2));
 587                     memcpy(addr, addr2,
 588                                 addrlen32 ? *addrlen32 : sizeof(*addr2));
 589                     addr2->sipx_family = WS_AF_IPX;
 590                     addr2->sipx_network = ((struct sockaddr_ipx *)addr)->sipx_network;
 591                     addr2->sipx_port = ((struct sockaddr_ipx *)addr)->sipx_port;
 592                     memcpy(addr2->sipx_node,
 593                         ((struct sockaddr_ipx *)addr)->sipx_node, IPX_NODE_LEN);
 594                     free(addr);
 595                 }
 596 #endif
 597                 return s;
 598             }
 599             else pwsi->err = WSAENOBUFS;
 600         }
 601         else pwsi->err = wsaErrno();
 602     }
 603 #ifdef HAVE_LINUX_IPX_H
 604     if (addr && ((struct sockaddr_ipx *)addr)->sipx_family == AF_IPX) {
 605         addr = (struct sockaddr *)
 606                         malloc(addrlen32 ? *addrlen32 : sizeof(*addr2));
 607         memcpy(addr, addr2, addrlen32 ? *addrlen32 : sizeof(*addr2));
 608         addr2->sipx_family = WS_AF_IPX;
 609         addr2->sipx_network = ((struct sockaddr_ipx *)addr)->sipx_network;
 610         addr2->sipx_port = ((struct sockaddr_ipx *)addr)->sipx_port;
 611         memcpy(addr2->sipx_node,
 612             ((struct sockaddr_ipx *)addr)->sipx_node, IPX_NODE_LEN);
 613         free(addr);
 614     }
 615 #endif
 616     return INVALID_SOCKET32;
 617 }
 618
 619 /***********************************************************************
 620  *              accept()                (WINSOCK.1)
 621  */
 622 SOCKET16 WINAPI WINSOCK_accept16(SOCKET16 s, struct sockaddr* addr,
 623                                  INT16* addrlen16 )
 624 {
 625     INT32 addrlen32 = addrlen16 ? *addrlen16 : 0;
 626     SOCKET32 retSocket = WINSOCK_accept32( s, addr, &addrlen32 );
 627     if( addrlen16 ) *addrlen16 = (INT16)addrlen32;
 628     return (SOCKET16)retSocket;
 629 }
 630
 631 /***********************************************************************
 632  *              bind()                  (WSOCK32.2)
 633  */
 634 INT32 WINAPI WINSOCK_bind32(SOCKET32 s, struct sockaddr *name, INT32 namelen)
 635 {
 636     ws_socket*               pws  = (ws_socket*)WS_HANDLE2PTR(s);
 637     LPWSINFO                 pwsi = wsi_find(GetCurrentTask());
 638 #ifdef HAVE_LINUX_IPX_H
 639     struct ws_sockaddr_ipx*  name2 = (struct ws_sockaddr_ipx *)name;
 640 #endif
 641
 642     TRACE(winsock, "(%08x): socket %04x, ptr %8x, length %d\n",
 643                            (unsigned)pwsi, s, (int) name, namelen);
 644 #if DEBUG_SOCKADDR
 645     dump_sockaddr(name);
 646 #endif
 647
 648     if ( _check_ws(pwsi, pws) )
 649     {
 650       /* FIXME: what family does this really map to on the Unix side? */
 651       if (name && ((struct ws_sockaddr_ipx *)name)->sipx_family == WS_AF_PUP)
 652         ((struct ws_sockaddr_ipx *)name)->sipx_family = AF_UNSPEC;
 653 #ifdef HAVE_LINUX_IPX_H
 654       else if (name &&
 655                 ((struct ws_sockaddr_ipx *)name)->sipx_family == WS_AF_IPX)
 656       {
 657         name = (struct sockaddr *) malloc(sizeof(struct sockaddr_ipx));
 658         memset(name, '\0', sizeof(struct sockaddr_ipx));
 659         ((struct sockaddr_ipx *)name)->sipx_family = AF_IPX;
 660         ((struct sockaddr_ipx *)name)->sipx_port = name2->sipx_port;
 661         ((struct sockaddr_ipx *)name)->sipx_network = name2->sipx_network;
 662         memcpy(((struct sockaddr_ipx *)name)->sipx_node,
 663                 name2->sipx_node, IPX_NODE_LEN);
 664         namelen = sizeof(struct sockaddr_ipx);
 665       }
 666 #endif
 667       if ( namelen >= sizeof(*name) )
 668       {
 669         if ( name && (((struct ws_sockaddr_in *)name)->sin_family == AF_INET
 670 #ifdef HAVE_LINUX_IPX_H
 671              || ((struct sockaddr_ipx *)name)->sipx_family == AF_IPX
 672 #endif
 673            ))
 674         {
 675           if ( bind(pws->fd, name, namelen) < 0 )
 676           {
 677              int        loc_errno = errno;
 678              WARN(winsock, "\tfailure - errno = %i\n", errno);
 679              errno = loc_errno;
 680              switch(errno)
 681              {
 682                 case EBADF: pwsi->err = WSAENOTSOCK; break;
 683                 case EADDRNOTAVAIL: pwsi->err = WSAEINVAL; break;
 684                 default: pwsi->err = wsaErrno();
 685              }
 686           }
 687           else {
 688 #ifdef HAVE_LINUX_IPX_H
 689             if (((struct sockaddr_ipx *)name)->sipx_family == AF_IPX)
 690                 free(name);
 691 #endif
 692             return 0; /* success */
 693           }
 694         }
 695         else pwsi->err = WSAEAFNOSUPPORT;
 696       }
 697       else pwsi->err = WSAEFAULT;
 698 #ifdef HAVE_LINUX_IPX_H
 699       if (name && ((struct sockaddr_ipx *)name)->sipx_family == AF_IPX)
 700         free(name);
 701 #endif
 702     }
 703     return SOCKET_ERROR;
 704 }
 705
 706 /***********************************************************************
 707  *              bind()                  (WINSOCK.2)
 708  */
 709 INT16 WINAPI WINSOCK_bind16(SOCKET16 s, struct sockaddr *name, INT16 namelen)
 710 {
 711   return (INT16)WINSOCK_bind32( s, name, namelen );
 712 }
 713
 714 /***********************************************************************
 715  *              closesocket()           (WSOCK32.3)
 716  */
 717 INT32 WINAPI WINSOCK_closesocket32(SOCKET32 s)
 718 {
 719     ws_socket*    pws  = (ws_socket*)WS_HANDLE2PTR(s);
 720     LPWSINFO      pwsi = wsi_find(GetCurrentTask());
 721
 722     TRACE(winsock, "(%08x): socket %08x\n", (unsigned)pwsi, s);
 723
 724     if( _check_ws(pwsi, pws) )
 725     {
 726         int     fd = pws->fd;
 727
 728         if( pws->psop ) WSAAsyncSelect32( s, 0, 0, 0 );
 729
 730         pws->fd = -1;
 731         pws->flags = (unsigned)pwsi->last_free;
 732         pwsi->last_free = pws - &pwsi->sock[0]; /* add to free list */
 733
 734         if( close(fd) == 0 )
 735             return 0;
 736         pwsi->err = (errno == EBADF) ? WSAENOTSOCK : wsaErrno();
 737     }
 738     return SOCKET_ERROR;
 739 }
 740
 741 /***********************************************************************
 742  *              closesocket()           (WINSOCK.3)
 743  */
 744 INT16 WINAPI WINSOCK_closesocket16(SOCKET16 s)
 745 {
 746     return (INT16)WINSOCK_closesocket32(s);
 747 }
 748
 749 /***********************************************************************
 750  *              connect()               (WSOCK32.4)
 751  */
 752 INT32 WINAPI WINSOCK_connect32(SOCKET32 s, struct sockaddr *name, INT32 namelen)
 753 {
 754   ws_socket*               pws  = (ws_socket*)WS_HANDLE2PTR(s);
 755   LPWSINFO                 pwsi = wsi_find(GetCurrentTask());
 756 #ifdef HAVE_LINUX_IPX_H
 757   struct ws_sockaddr_ipx*  name2 = (struct ws_sockaddr_ipx *)name;
 758 #endif
 759
 760   TRACE(winsock, "(%08x): socket %04x, ptr %8x, length %d\n",
 761                            (unsigned)pwsi, s, (int) name, namelen);
 762 #if DEBUG_SOCKADDR
 763   dump_sockaddr(name);
 764 #endif
 765
 766   if( _check_ws(pwsi, pws) )
 767   {
 768     if (name && ((struct ws_sockaddr_ipx *)name)->sipx_family == WS_AF_PUP)
 769         ((struct ws_sockaddr_ipx *)name)->sipx_family = AF_UNSPEC;
 770 #ifdef HAVE_LINUX_IPX_H
 771     else if (name && ((struct ws_sockaddr_ipx *)name)->sipx_family == WS_AF_IPX)
 772     {
 773         name = (struct sockaddr *) malloc(sizeof(struct sockaddr_ipx));
 774         memset(name, '\0', sizeof(struct sockaddr_ipx));
 775         ((struct sockaddr_ipx *)name)->sipx_family = AF_IPX;
 776         ((struct sockaddr_ipx *)name)->sipx_port = name2->sipx_port;
 777         ((struct sockaddr_ipx *)name)->sipx_network = name2->sipx_network;
 778         memcpy(((struct sockaddr_ipx *)name)->sipx_node,
 779                 name2->sipx_node, IPX_NODE_LEN);
 780         namelen = sizeof(struct sockaddr_ipx);
 781     }
 782 #endif
 783     if (connect(pws->fd, name, namelen) == 0)
 784     {
 785         if( pws->psop && (pws->flags & WS_FD_CONNECT) )
 786         {
 787             /* application did AsyncSelect() but then went
 788              * ahead and called connect() without waiting for
 789              * notification.
 790              *
 791              * FIXME: Do we have to post a notification message
 792              *        in this case?
 793              */
 794
 795             if( !(pws->flags & WS_FD_CONNECTED) )
 796             {
 797                 if( pws->flags & (WS_FD_READ | WS_FD_CLOSE) )
 798                     EVENT_AddIO( pws->fd, EVENT_IO_READ );
 799                 else
 800                     EVENT_DeleteIO( pws->fd, EVENT_IO_READ );
 801                 if( pws->flags & WS_FD_WRITE )
 802                     EVENT_AddIO( pws->fd, EVENT_IO_WRITE );
 803                 else
 804                     EVENT_DeleteIO( pws->fd, EVENT_IO_WRITE );
 805             }
 806         }
 807         pws->flags |= WS_FD_CONNECTED;
 808         pws->flags &= ~(WS_FD_INACTIVE | WS_FD_CONNECT | WS_FD_LISTENING);
 809 #ifdef HAVE_LINUX_IPX_H
 810         if (((struct sockaddr_ipx *)name)->sipx_family == AF_IPX)
 811             free(name);
 812 #endif
 813         return 0;
 814     }
 815     pwsi->err = (errno == EINPROGRESS) ? WSAEWOULDBLOCK : wsaErrno();
 816   }
 817 #ifdef HAVE_LINUX_IPX_H
 818   if (name && ((struct sockaddr_ipx *)name)->sipx_family == AF_IPX)
 819     free(name);
 820 #endif
 821   return SOCKET_ERROR;
 822 }
 823
 824 /***********************************************************************
 825  *              connect()               (WINSOCK.4)
 826  */
 827 INT16 WINAPI WINSOCK_connect16(SOCKET16 s, struct sockaddr *name, INT16 namelen)
 828 {
 829   return (INT16)WINSOCK_connect32( s, name, namelen );
 830 }
 831
 832 /***********************************************************************
 833  *              getpeername()           (WSOCK32.5)
 834  */
 835 INT32 WINAPI WINSOCK_getpeername32(SOCKET32 s, struct sockaddr *name,
 836                                    INT32 *namelen)
 837 {
 838     ws_socket*               pws  = (ws_socket*)WS_HANDLE2PTR(s);
 839     LPWSINFO                 pwsi = wsi_find(GetCurrentTask());
 840 #ifdef HAVE_LINUX_IPX_H
 841     struct ws_sockaddr_ipx*  name2 = (struct ws_sockaddr_ipx *)name;
 842 #endif
 843
 844     TRACE(winsock, "(%08x): socket: %04x, ptr %8x, ptr %8x\n",
 845                            (unsigned)pwsi, s, (int) name, *namelen);
 846     if( _check_ws(pwsi, pws) )
 847     {
 848         if (getpeername(pws->fd, name, namelen) == 0) {
 849 #ifdef HAVE_LINUX_IPX_H
 850             if (((struct ws_sockaddr_ipx *)name)->sipx_family == AF_IPX) {
 851                 name = (struct sockaddr *)
 852                                 malloc(namelen ? *namelen : sizeof(*name2));
 853                 memcpy(name, name2, namelen ? *namelen : sizeof(*name2));
 854                 name2->sipx_family = WS_AF_IPX;
 855                 name2->sipx_network = ((struct sockaddr_ipx *)name)->sipx_network;
 856                 name2->sipx_port = ((struct sockaddr_ipx *)name)->sipx_port;
 857                 memcpy(name2->sipx_node,
 858                         ((struct sockaddr_ipx *)name)->sipx_node, IPX_NODE_LEN);
 859                 free(name);
 860             }
 861 #endif
 862             return 0;
 863         }
 864         pwsi->err = (h_errno < 0) ? wsaErrno() : wsaHerrno();
 865     }
 866 #ifdef HAVE_LINUX_IPX_H
 867     if (name && ((struct ws_sockaddr_ipx *)name)->sipx_family == AF_IPX) {
 868         name = (struct sockaddr *) malloc(namelen ? *namelen : sizeof(*name2));
 869         memcpy(name, name2, namelen ? *namelen : sizeof(*name2));
 870         name2->sipx_family = WS_AF_IPX;
 871         name2->sipx_network = ((struct sockaddr_ipx *)name)->sipx_network;
 872         name2->sipx_port = ((struct sockaddr_ipx *)name)->sipx_port;
 873         memcpy(name2->sipx_node,
 874                 ((struct sockaddr_ipx *)name)->sipx_node, IPX_NODE_LEN);
 875         free(name);
 876     }
 877 #endif
 878     return SOCKET_ERROR;
 879 }
 880
 881 /***********************************************************************
 882  *              getpeername()           (WINSOCK.5)
 883  */
 884 INT16 WINAPI WINSOCK_getpeername16(SOCKET16 s, struct sockaddr *name,
 885                                    INT16 *namelen16)
 886 {
 887     INT32 namelen32 = *namelen16;
 888     INT32 retVal = WINSOCK_getpeername32( s, name, &namelen32 );
 889
 890 #if DEBUG_SOCKADDR
 891     dump_sockaddr(name);
 892 #endif
 893
 894    *namelen16 = namelen32;
 895     return (INT16)retVal;
 896 }
 897
 898 /***********************************************************************
 899  *              getsockname()           (WSOCK32.6)
 900  */
 901 INT32 WINAPI WINSOCK_getsockname32(SOCKET32 s, struct sockaddr *name,
 902                                    INT32 *namelen)
 903 {
 904     ws_socket*               pws  = (ws_socket*)WS_HANDLE2PTR(s);
 905     LPWSINFO                 pwsi = wsi_find(GetCurrentTask());
 906 #ifdef HAVE_LINUX_IPX_H
 907     struct ws_sockaddr_ipx*  name2 = (struct ws_sockaddr_ipx *)name;
 908 #endif
 909
 910     TRACE(winsock, "(%08x): socket: %04x, ptr %8x, ptr %8x\n",
 911                           (unsigned)pwsi, s, (int) name, (int) *namelen);
 912     if( _check_ws(pwsi, pws) )
 913     {
 914         if (getsockname(pws->fd, name, namelen) == 0) {
 915 #ifdef HAVE_LINUX_IPX_H
 916             if (((struct sockaddr_ipx *)name)->sipx_family == AF_IPX) {
 917                 name = (struct sockaddr *)
 918                                 malloc(namelen ? *namelen : sizeof(*name2));
 919                 memcpy(name, name2, namelen ? *namelen : sizeof(*name2));
 920                 name2->sipx_family = WS_AF_IPX;
 921                 name2->sipx_network = ((struct sockaddr_ipx *)name)->sipx_network;
 922                 name2->sipx_port = ((struct sockaddr_ipx *)name)->sipx_port;
 923                 memcpy(name2->sipx_node,
 924                         ((struct sockaddr_ipx *)name)->sipx_node, IPX_NODE_LEN);
 925                 free(name);
 926             }
 927 #endif
 928             return 0;
 929         }
 930         pwsi->err = (h_errno < 0) ? wsaErrno() : wsaHerrno();
 931     }
 932 #ifdef HAVE_LINUX_IPX_H
 933     if (name && ((struct ws_sockaddr_ipx *)name)->sipx_family == AF_IPX) {
 934         name = (struct sockaddr *) malloc(namelen ? *namelen : sizeof(*name2));
 935         memcpy(name, name2, namelen ? *namelen : sizeof(*name2));
 936         name2->sipx_family = WS_AF_IPX;
 937         name2->sipx_network = ((struct sockaddr_ipx *)name)->sipx_network;
 938         name2->sipx_port = ((struct sockaddr_ipx *)name)->sipx_port;
 939         memcpy(name2->sipx_node,
 940                 ((struct sockaddr_ipx *)name)->sipx_node, IPX_NODE_LEN);
 941         free(name);
 942     }
 943 #endif
 944     return SOCKET_ERROR;
 945 }
 946
 947 /***********************************************************************
 948  *              getsockname()           (WINSOCK.6)
 949  */
 950 INT16 WINAPI WINSOCK_getsockname16(SOCKET16 s, struct sockaddr *name,
 951                                    INT16 *namelen16)
 952 {
 953     INT32 retVal;
 954
 955     if( namelen16 )
 956     {
 957         INT32 namelen32 = *namelen16;
 958         retVal = WINSOCK_getsockname32( s, name, &namelen32 );
 959        *namelen16 = namelen32;
 960
 961 #if DEBUG_SOCKADDR
 962     dump_sockaddr(name);
 963 #endif
 964
 965     }
 966     else retVal = SOCKET_ERROR;
 967     return (INT16)retVal;
 968 }
 969
 970
 971 /***********************************************************************
 972  *              getsockopt()            (WSOCK32.7)
 973  */
 974 INT32 WINAPI WINSOCK_getsockopt32(SOCKET32 s, INT32 level,
 975                                   INT32 optname, char *optval, INT32 *optlen)
 976 {
 977     ws_socket*    pws  = (ws_socket*)WS_HANDLE2PTR(s);
 978     LPWSINFO      pwsi = wsi_find(GetCurrentTask());
 979
 980     TRACE(winsock, "(%08x): socket: %04x, opt %d, ptr %8x, ptr %8x\n",
 981                            (unsigned)pwsi, s, level, (int) optval, (int) *optlen);
 982     if( _check_ws(pwsi, pws) )
 983     {
 984         convert_sockopt(&level, &optname);
 985         if (getsockopt(pws->fd, (int) level, optname, optval, optlen) == 0 )
 986             return 0;
 987         pwsi->err = (errno == EBADF) ? WSAENOTSOCK : wsaErrno();
 988     }
 989     return SOCKET_ERROR;
 990 }
 991
 992 /***********************************************************************
 993  *              getsockopt()            (WINSOCK.7)
 994  */
 995 INT16 WINAPI WINSOCK_getsockopt16(SOCKET16 s, INT16 level,
 996                                   INT16 optname, char *optval, INT16 *optlen)
 997 {
 998     INT32 optlen32;
 999     INT32 *p = &optlen32;
1000     INT32 retVal;
1001     if( optlen ) optlen32 = *optlen; else p = NULL;
1002     retVal = WINSOCK_getsockopt32( s, (UINT16)level, optname, optval, p );
1003     if( optlen ) *optlen = optlen32;
1004     return (INT16)retVal;
1005 }
1006
1007 /***********************************************************************
1008  *              htonl()                 (WINSOCK.8)(WSOCK32.8)
1009  */
1010 u_long WINAPI WINSOCK_htonl(u_long hostlong)   { return( htonl(hostlong) ); }
1011 /***********************************************************************
1012  *              htons()                 (WINSOCK.9)(WSOCK32.9)
1013  */
1014 u_short WINAPI WINSOCK_htons(u_short hostshort) { return( htons(hostshort) ); }
1015 /***********************************************************************
1016  *              inet_addr()             (WINSOCK.10)(WSOCK32.10)
1017  */
1018 u_long WINAPI WINSOCK_inet_addr(char *cp)      { return( inet_addr(cp) ); }
1019 /***********************************************************************
1020  *              htohl()                 (WINSOCK.14)(WSOCK32.14)
1021  */
1022 u_long WINAPI WINSOCK_ntohl(u_long netlong)    { return( ntohl(netlong) ); }
1023 /***********************************************************************
1024  *              ntohs()                 (WINSOCK.15)(WSOCK32.15)
1025  */
1026 u_short WINAPI WINSOCK_ntohs(u_short netshort)  { return( ntohs(netshort) ); }
1027
1028 /***********************************************************************
1029  *              inet_ntoa()             (WINSOCK.11)(WSOCK32.11)
1030  */
1031 char* WINAPI WINSOCK_inet_ntoa32(struct in_addr in)
1032 {
1033   /* use "buffer for dummies" here because some applications have
1034    * propensity to decode addresses in ws_hostent structure without
1035    * saving them first...
1036    */
1037
1038     LPWSINFO      pwsi = wsi_find(GetCurrentTask());
1039
1040     if( pwsi )
1041     {
1042         char*   s = inet_ntoa(in);
1043         if( s )
1044         {
1045             if( pwsi->dbuffer == NULL )
1046                 if((pwsi->dbuffer = (char*) SEGPTR_ALLOC(32)) == NULL )
1047                 {
1048                     pwsi->err = WSAENOBUFS;
1049                     return NULL;
1050                 }
1051             strncpy(pwsi->dbuffer, s, 32 );
1052             return pwsi->dbuffer;
1053         }
1054         pwsi->err = wsaErrno();
1055     }
1056     return NULL;
1057 }
1058
1059 SEGPTR WINAPI WINSOCK_inet_ntoa16(struct in_addr in)
1060 {
1061   char* retVal = WINSOCK_inet_ntoa32(in);
1062   return retVal ? SEGPTR_GET(retVal) : (SEGPTR)NULL;
1063 }
1064
1065 /***********************************************************************
1066  *              ioctlsocket()           (WSOCK32.12)
1067  */
1068 INT32 WINAPI WINSOCK_ioctlsocket32(SOCKET32 s, UINT32 cmd, UINT32 *argp)
1069 {
1070   ws_socket*    pws  = (ws_socket*)WS_HANDLE2PTR(s);
1071   LPWSINFO      pwsi = wsi_find(GetCurrentTask());
1072
1073   TRACE(winsock, "(%08x): socket %04x, cmd %08x, ptr %8x\n",
1074                           (unsigned)pwsi, s, cmd, (unsigned) argp);
1075   if( _check_ws(pwsi, pws) )
1076   {
1077     long        newcmd  = cmd;
1078
1079     switch( cmd )
1080     {
1081         case WS_FIONREAD:
1082                 newcmd=FIONREAD;
1083                 break;
1084
1085         case WS_FIONBIO:
1086                 newcmd=FIONBIO;
1087                 if( pws->psop && *argp == 0 )
1088                 {
1089                     /* AsyncSelect()'ed sockets are always nonblocking */
1090                     pwsi->err = WSAEINVAL;
1091                     return SOCKET_ERROR;
1092                 }
1093                 break;
1094
1095         case WS_SIOCATMARK:
1096                 newcmd=SIOCATMARK;
1097                 break;
1098
1099         case WS_IOW('f',125,u_long):
1100                 WARN(winsock,"Warning: WS1.1 shouldn't be using async I/O\n");
1101                 pwsi->err = WSAEINVAL;
1102                 return SOCKET_ERROR;
1103
1104         default:
1105                 /* Netscape tries hard to use bogus ioctl 0x667e */
1106                 WARN(winsock, "\tunknown WS_IOCTL cmd (%08x)\n", cmd);
1107     }
1108     if( ioctl(pws->fd, newcmd, (char*)argp ) == 0 ) return 0;
1109     pwsi->err = (errno == EBADF) ? WSAENOTSOCK : wsaErrno();
1110   }
1111   return SOCKET_ERROR;
1112 }
1113
1114 /***********************************************************************
1115  *              ioctlsocket()           (WINSOCK.12)
1116  */
1117 INT16 WINAPI WINSOCK_ioctlsocket16(SOCKET16 s, UINT32 cmd, UINT32 *argp)
1118 {
1119     return (INT16)WINSOCK_ioctlsocket32( s, cmd, argp );
1120 }
1121
1122
1123 /***********************************************************************
1124  *              listen()                (WSOCK32.13)
1125  */
1126 INT32 WINAPI WINSOCK_listen32(SOCKET32 s, INT32 backlog)
1127 {
1128     ws_socket*    pws  = (ws_socket*)WS_HANDLE2PTR(s);
1129     LPWSINFO      pwsi = wsi_find(GetCurrentTask());
1130
1131     TRACE(winsock, "(%08x): socket %04x, backlog %d\n",
1132                             (unsigned)pwsi, s, backlog);
1133     if( _check_ws(pwsi, pws) )
1134     {
1135         if (listen(pws->fd, backlog) == 0)
1136         {
1137             if( !pws->psop )
1138             {
1139                 int  fd_flags = fcntl(pws->fd, F_GETFL, 0);
1140                 if( !(fd_flags & O_NONBLOCK) ) pws->flags |= WS_FD_ACCEPT;
1141             }
1142             pws->flags |= WS_FD_LISTENING;
1143             pws->flags &= ~(WS_FD_INACTIVE | WS_FD_CONNECT | WS_FD_CONNECTED); /* just in case */
1144             return 0;
1145         }
1146         pwsi->err = wsaErrno();
1147     }
1148     else if( pwsi ) pwsi->err = WSAENOTSOCK;
1149     return SOCKET_ERROR;
1150 }
1151
1152 /***********************************************************************
1153  *              listen()                (WINSOCK.13)
1154  */
1155 INT16 WINAPI WINSOCK_listen16(SOCKET16 s, INT16 backlog)
1156 {
1157     return (INT16)WINSOCK_listen32( s, backlog );
1158 }
1159
1160
1161 /***********************************************************************
1162  *              recv()                  (WSOCK32.16)
1163  */
1164 INT32 WINAPI WINSOCK_recv32(SOCKET32 s, char *buf, INT32 len, INT32 flags)
1165 {
1166     ws_socket*    pws  = (ws_socket*)WS_HANDLE2PTR(s);
1167     LPWSINFO      pwsi = wsi_find(GetCurrentTask());
1168
1169     TRACE(winsock, "(%08x): socket %04x, buf %8x, len %d, "
1170                     "flags %d\n", (unsigned)pwsi, s, (unsigned)buf,
1171                     len, flags);
1172     if( _check_ws(pwsi, pws) )
1173     {
1174         INT32 length;
1175         if ((length = recv(pws->fd, buf, len, flags)) >= 0)
1176         {
1177             TRACE(winsock, " -> %i bytes\n", length);
1178
1179             if( pws->psop && (pws->flags & (WS_FD_READ | WS_FD_CLOSE)) )
1180                 EVENT_AddIO( pws->fd, EVENT_IO_READ );  /* reenabler */
1181
1182             return length;
1183         }
1184         pwsi->err = wsaErrno();
1185     }
1186     else if( pwsi ) pwsi->err = WSAENOTSOCK;
1187     WARN(winsock, " -> ERROR\n");
1188     return SOCKET_ERROR;
1189 }
1190
1191 /***********************************************************************
1192  *              recv()                  (WINSOCK.16)
1193  */
1194 INT16 WINAPI WINSOCK_recv16(SOCKET16 s, char *buf, INT16 len, INT16 flags)
1195 {
1196     return (INT16)WINSOCK_recv32( s, buf, len, flags );
1197 }
1198
1199
1200 /***********************************************************************
1201  *              recvfrom()              (WSOCK32.17)
1202  */
1203 INT32 WINAPI WINSOCK_recvfrom32(SOCKET32 s, char *buf, INT32 len, INT32 flags,
1204                                 struct sockaddr *from, INT32 *fromlen32)
1205 {
1206     ws_socket*               pws  = (ws_socket*)WS_HANDLE2PTR(s);
1207     LPWSINFO                 pwsi = wsi_find(GetCurrentTask());
1208 #ifdef HAVE_LINUX_IPX_H
1209     struct ws_sockaddr_ipx*  from2 = (struct ws_sockaddr_ipx *)from;
1210 #endif
1211
1212     TRACE(winsock, "(%08x): socket %04x, ptr %08x, "
1213                     "len %d, flags %d\n", (unsigned)pwsi, s, (unsigned)buf,
1214                     len, flags);
1215 #if DEBUG_SOCKADDR
1216     if( from ) dump_sockaddr(from);
1217     else DUMP("from = NULL\n");
1218 #endif
1219
1220     if( _check_ws(pwsi, pws) )
1221     {
1222         int length;
1223
1224         if ((length = recvfrom(pws->fd, buf, len, flags, from, fromlen32)) >= 0)
1225         {
1226             TRACE(winsock, " -> %i bytes\n", length);
1227
1228             if( pws->psop && (pws->flags & (WS_FD_READ | WS_FD_CLOSE)) )
1229                 EVENT_AddIO( pws->fd, EVENT_IO_READ );  /* reenabler */
1230
1231 #ifdef HAVE_LINUX_IPX_H
1232         if (from && ((struct sockaddr_ipx *)from)->sipx_family == AF_IPX) {
1233             from = (struct sockaddr *)
1234                                 malloc(fromlen32 ? *fromlen32 : sizeof(*from2));
1235             memcpy(from, from2, fromlen32 ? *fromlen32 : sizeof(*from2));
1236             from2->sipx_family = WS_AF_IPX;
1237             from2->sipx_network = ((struct sockaddr_ipx *)from)->sipx_network;
1238             from2->sipx_port = ((struct sockaddr_ipx *)from)->sipx_port;
1239             memcpy(from2->sipx_node,
1240                         ((struct sockaddr_ipx *)from)->sipx_node, IPX_NODE_LEN);
1241             free(from);
1242         }
1243 #endif
1244             return (INT16)length;
1245         }
1246         pwsi->err = wsaErrno();
1247     }
1248     else if( pwsi ) pwsi->err = WSAENOTSOCK;
1249     WARN(winsock, " -> ERROR\n");
1250 #ifdef HAVE_LINUX_IPX_H
1251     if (from && ((struct sockaddr_ipx *)from)->sipx_family == AF_IPX) {
1252         from = (struct sockaddr *)
1253                                 malloc(fromlen32 ? *fromlen32 : sizeof(*from2));
1254         memcpy(from, from2, fromlen32 ? *fromlen32 : sizeof(*from2));
1255         from2->sipx_family = WS_AF_IPX;
1256         from2->sipx_network = ((struct sockaddr_ipx *)from)->sipx_network;
1257         from2->sipx_port = ((struct sockaddr_ipx *)from)->sipx_port;
1258         memcpy(from2->sipx_node,
1259                 ((struct sockaddr_ipx *)from)->sipx_node, IPX_NODE_LEN);
1260         free(from);
1261     }
1262 #endif
1263     return SOCKET_ERROR;
1264 }
1265
1266 /***********************************************************************
1267  *              recvfrom()              (WINSOCK.17)
1268  */
1269 INT16 WINAPI WINSOCK_recvfrom16(SOCKET16 s, char *buf, INT16 len, INT16 flags,
1270                                 struct sockaddr *from, INT16 *fromlen16)
1271 {
1272     INT32 fromlen32;
1273     INT32 *p = &fromlen32;
1274     INT32 retVal;
1275
1276     if( fromlen16 ) fromlen32 = *fromlen16; else p = NULL;
1277     retVal = WINSOCK_recvfrom32( s, buf, len, flags, from, p );
1278     if( fromlen16 ) *fromlen16 = fromlen32;
1279     return (INT16)retVal;
1280 }
1281
1282 /***********************************************************************
1283  *              select()                (WINSOCK.18)(WSOCK32.18)
1284  */
1285 static INT32 __ws_select( BOOL32 b32, void *ws_readfds, void *ws_writefds, void *ws_exceptfds,
1286                           struct timeval *timeout )
1287 {
1288     LPWSINFO      pwsi = wsi_find(GetCurrentTask());
1289
1290     TRACE(winsock, "(%08x): read %8x, write %8x, excp %8x\n",
1291     (unsigned) pwsi, (unsigned) ws_readfds, (unsigned) ws_writefds, (unsigned) ws_exceptfds);
1292
1293     if( pwsi )
1294     {
1295         int         highfd = 0;
1296         fd_set      readfds, writefds, exceptfds;
1297         fd_set     *p_read, *p_write, *p_except;
1298
1299         p_read = fd_set_import(&readfds, pwsi, ws_readfds, &highfd, b32);
1300         p_write = fd_set_import(&writefds, pwsi, ws_writefds, &highfd, b32);
1301         p_except = fd_set_import(&exceptfds, pwsi, ws_exceptfds, &highfd, b32);
1302
1303         if( (highfd = select(highfd + 1, p_read, p_write, p_except, timeout)) > 0 )
1304         {
1305             fd_set_export(pwsi, &readfds, p_except, ws_readfds, b32);
1306             fd_set_export(pwsi, &writefds, p_except, ws_writefds, b32);
1307
1308             if (p_except && ws_exceptfds)
1309             {
1310 #define wsfds16 ((ws_fd_set16*)ws_exceptfds)
1311 #define wsfds32 ((ws_fd_set32*)ws_exceptfds)
1312                 int i, j, count = (b32) ? wsfds32->fd_count : wsfds16->fd_count;
1313
1314                 for (i = j = 0; i < count; i++)
1315                 {
1316                     ws_socket *pws = (b32) ? (ws_socket *)WS_HANDLE2PTR(wsfds32->fd_array[i])
1317                                            : (ws_socket *)WS_HANDLE2PTR(wsfds16->fd_array[i]);
1318                     if( _check_ws(pwsi, pws) && FD_ISSET(pws->fd, &exceptfds) )
1319                     {
1320                         if( b32 )
1321                                 wsfds32->fd_array[j++] = wsfds32->fd_array[i];
1322                         else
1323                                 wsfds16->fd_array[j++] = wsfds16->fd_array[i];
1324                     }
1325                 }
1326                 if( b32 )
1327                     wsfds32->fd_count = j;
1328                 else
1329                     wsfds16->fd_count = j;
1330 #undef wsfds32
1331 #undef wsfds16
1332             }
1333             return highfd;
1334         }
1335         if( ws_readfds ) ((ws_fd_set32*)ws_readfds)->fd_count = 0;
1336         if( ws_writefds ) ((ws_fd_set32*)ws_writefds)->fd_count = 0;
1337         if( ws_exceptfds ) ((ws_fd_set32*)ws_exceptfds)->fd_count = 0;
1338
1339         if( highfd == 0 ) return 0;
1340         pwsi->err = wsaErrno();
1341     }
1342     return SOCKET_ERROR;
1343 }
1344
1345 INT16 WINAPI WINSOCK_select16(INT16 nfds, ws_fd_set16 *ws_readfds,
1346                               ws_fd_set16 *ws_writefds, ws_fd_set16 *ws_exceptfds,
1347                               struct timeval *timeout)
1348 {
1349     return (INT16)__ws_select( FALSE, ws_readfds, ws_writefds, ws_exceptfds, timeout );
1350 }
1351
1352 INT32 WINAPI WINSOCK_select32(INT32 nfds, ws_fd_set32 *ws_readfds,
1353                               ws_fd_set32 *ws_writefds, ws_fd_set32 *ws_exceptfds,
1354                               struct timeval *timeout)
1355 {
1356     /* struct timeval is the same for both 32- and 16-bit code */
1357     return (INT32)__ws_select( TRUE, ws_readfds, ws_writefds, ws_exceptfds, timeout );
1358 }
1359
1360
1361 /***********************************************************************
1362  *              send()                  (WSOCK32.19)
1363  */
1364 INT32 WINAPI WINSOCK_send32(SOCKET32 s, char *buf, INT32 len, INT32 flags)
1365 {
1366     ws_socket*    pws  = (ws_socket*)WS_HANDLE2PTR(s);
1367     LPWSINFO      pwsi = wsi_find(GetCurrentTask());
1368
1369     TRACE(winsock, "(%08x): socket %04x, ptr %08x, length %d, flags %d\n",
1370                            (unsigned)pwsi, s, (unsigned) buf, len, flags);
1371     if( _check_ws(pwsi, pws) )
1372     {
1373         int     length;
1374
1375         if ((length = send(pws->fd, buf, len, flags)) < 0 )
1376         {
1377             pwsi->err = wsaErrno();
1378             if( pwsi->err == WSAEWOULDBLOCK &&
1379                 pws->psop && pws->flags & WS_FD_WRITE )
1380                 EVENT_AddIO( pws->fd, EVENT_IO_WRITE ); /* reenabler */
1381         }
1382         else return (INT16)length;
1383     }
1384     else if( pwsi ) pwsi->err = WSAENOTSOCK;
1385     return SOCKET_ERROR;
1386 }
1387
1388 /***********************************************************************
1389  *              send()                  (WINSOCK.19)
1390  */
1391 INT16 WINAPI WINSOCK_send16(SOCKET16 s, char *buf, INT16 len, INT16 flags)
1392 {
1393     return WINSOCK_send32( s, buf, len, flags );
1394 }
1395
1396 /***********************************************************************
1397  *              sendto()                (WSOCK32.20)
1398  */
1399 INT32 WINAPI WINSOCK_sendto32(SOCKET32 s, char *buf, INT32 len, INT32 flags,
1400                               struct sockaddr *to, INT32 tolen)
1401 {
1402     ws_socket*               pws  = (ws_socket*)WS_HANDLE2PTR(s);
1403     LPWSINFO                 pwsi = wsi_find(GetCurrentTask());
1404 #ifdef HAVE_LINUX_IPX_H
1405     struct ws_sockaddr_ipx*  to2 = (struct ws_sockaddr_ipx *)to;
1406 #endif
1407
1408     TRACE(winsock, "(%08x): socket %04x, ptr %08x, length %d, flags %d\n",
1409                           (unsigned)pwsi, s, (unsigned) buf, len, flags);
1410     if( _check_ws(pwsi, pws) )
1411     {
1412         INT32   length;
1413
1414         if (to && ((struct ws_sockaddr_ipx *)to)->sipx_family == WS_AF_PUP)
1415             ((struct ws_sockaddr_ipx *)to)->sipx_family = AF_UNSPEC;
1416 #ifdef HAVE_LINUX_IPX_H
1417         else if (to &&
1418                 ((struct ws_sockaddr_ipx *)to)->sipx_family == WS_AF_IPX)
1419         {
1420             to = (struct sockaddr *) malloc(sizeof(struct sockaddr_ipx));
1421             memset(to, '\0', sizeof(struct sockaddr_ipx));
1422             ((struct sockaddr_ipx *)to)->sipx_family = AF_IPX;
1423             ((struct sockaddr_ipx *)to)->sipx_port = to2->sipx_port;
1424             ((struct sockaddr_ipx *)to)->sipx_network = to2->sipx_network;
1425             memcpy(((struct sockaddr_ipx *)to)->sipx_node,
1426                         to2->sipx_node, IPX_NODE_LEN);
1427             tolen = sizeof(struct sockaddr_ipx);
1428         }
1429 #endif
1430         if ((length = sendto(pws->fd, buf, len, flags, to, tolen)) < 0 )
1431         {
1432             pwsi->err = wsaErrno();
1433             if( pwsi->err == WSAEWOULDBLOCK &&
1434                 pws->psop && pws->flags & WS_FD_WRITE )
1435                 EVENT_AddIO( pws->fd, EVENT_IO_WRITE ); /* reenabler */
1436         }
1437         else {
1438 #ifdef HAVE_LINUX_IPX_H
1439             if (to && ((struct sockaddr_ipx *)to)->sipx_family == AF_IPX) {
1440                 free(to);
1441             }
1442 #endif
1443           return length;
1444         }
1445     }
1446     else if( pwsi ) pwsi->err = WSAENOTSOCK;
1447 #ifdef HAVE_LINUX_IPX_H
1448     if (to && ((struct sockaddr_ipx *)to)->sipx_family == AF_IPX) {
1449         free(to);
1450     }
1451 #endif
1452     return SOCKET_ERROR;
1453 }
1454
1455 /***********************************************************************
1456  *              sendto()                (WINSOCK.20)
1457  */
1458 INT16 WINAPI WINSOCK_sendto16(SOCKET16 s, char *buf, INT16 len, INT16 flags,
1459                               struct sockaddr *to, INT16 tolen)
1460 {
1461     return (INT16)WINSOCK_sendto32( s, buf, len, flags, to, tolen );
1462 }
1463
1464 /***********************************************************************
1465  *              setsockopt()            (WSOCK32.21)
1466  */
1467 INT32 WINAPI WINSOCK_setsockopt32(SOCKET16 s, INT32 level, INT32 optname,
1468                                   char *optval, INT32 optlen)
1469 {
1470     ws_socket*    pws  = (ws_socket*)WS_HANDLE2PTR(s);
1471     LPWSINFO      pwsi = wsi_find(GetCurrentTask());
1472
1473     TRACE(winsock, "(%08x): socket %04x, lev %d, opt %d, ptr %08x, len %d\n",
1474                           (unsigned)pwsi, s, level, optname, (int) optval, optlen);
1475     if( _check_ws(pwsi, pws) )
1476     {
1477         struct  linger linger;
1478
1479         convert_sockopt(&level, &optname);
1480         if (optname == SO_LINGER) {
1481                 /* yes, uses unsigned short in both win16/win32 */
1482                 linger.l_onoff  = ((UINT16*)optval)[0];
1483                 linger.l_linger = ((UINT16*)optval)[1];
1484                 optval = (char*)&linger;
1485                 optlen = sizeof(struct linger);
1486         }
1487         if (setsockopt(pws->fd, level, optname, optval, optlen) == 0) return 0;
1488         pwsi->err = wsaErrno();
1489     }
1490     else if( pwsi ) pwsi->err = WSAENOTSOCK;
1491     return SOCKET_ERROR;
1492 }
1493
1494 /***********************************************************************
1495  *              setsockopt()            (WINSOCK.21)
1496  */
1497 INT16 WINAPI WINSOCK_setsockopt16(SOCKET16 s, INT16 level, INT16 optname,
1498                                   char *optval, INT16 optlen)
1499 {
1500     if( !optval ) return SOCKET_ERROR;
1501     return (INT16)WINSOCK_setsockopt32( s, (UINT16)level, optname, optval, optlen );
1502 }
1503
1504
1505 /***********************************************************************
1506  *              shutdown()              (WSOCK32.22)
1507  */
1508 INT32 WINAPI WINSOCK_shutdown32(SOCKET32 s, INT32 how)
1509 {
1510     ws_socket*    pws  = (ws_socket*)WS_HANDLE2PTR(s);
1511     LPWSINFO      pwsi = wsi_find(GetCurrentTask());
1512
1513     TRACE(winsock, "(%08x): socket %04x, how %i\n",
1514                             (unsigned)pwsi, s, how );
1515     if( _check_ws(pwsi, pws) )
1516     {
1517         if( pws->psop )
1518             switch( how )
1519             {
1520                 case 0: /* drop receives */
1521                         if( pws->flags & (WS_FD_READ | WS_FD_CLOSE) )
1522                             EVENT_DeleteIO( pws->fd, EVENT_IO_READ );
1523                         pws->flags &= ~(WS_FD_READ | WS_FD_CLOSE);
1524 #ifdef SHUT_RD
1525                         how = SHUT_RD;
1526 #endif
1527                         break;
1528
1529                 case 1: /* drop sends */
1530                         if( pws->flags & WS_FD_WRITE )
1531                             EVENT_DeleteIO( pws->fd, EVENT_IO_WRITE );
1532                         pws->flags &= ~WS_FD_WRITE;
1533 #ifdef SHUT_WR
1534                         how = SHUT_WR;
1535 #endif
1536                         break;
1537
1538                 case 2: /* drop all */
1539 #ifdef SHUT_RDWR
1540                         how = SHUT_RDWR;
1541 #endif
1542                 default:
1543                         WSAAsyncSelect32( s, 0, 0, 0 );
1544                         break;
1545             }
1546
1547         if (shutdown(pws->fd, how) == 0)
1548         {
1549             if( how > 1 )
1550             {
1551                 pws->flags &= ~(WS_FD_CONNECTED | WS_FD_LISTENING);
1552                 pws->flags |= WS_FD_INACTIVE;
1553             }
1554             return 0;
1555         }
1556         pwsi->err = wsaErrno();
1557     }
1558     else if( pwsi ) pwsi->err = WSAENOTSOCK;
1559     return SOCKET_ERROR;
1560 }
1561
1562 /***********************************************************************
1563  *              shutdown()              (WINSOCK.22)
1564  */
1565 INT16 WINAPI WINSOCK_shutdown16(SOCKET16 s, INT16 how)
1566 {
1567     return (INT16)WINSOCK_shutdown32( s, how );
1568 }
1569
1570
1571 /***********************************************************************
1572  *              socket()                (WSOCK32.23)
1573  */
1574 SOCKET32 WINAPI WINSOCK_socket32(INT32 af, INT32 type, INT32 protocol)
1575 {
1576   LPWSINFO      pwsi = wsi_find(GetCurrentTask());
1577
1578   TRACE(winsock, "(%08x): af=%d type=%d protocol=%d\n",
1579                           (unsigned)pwsi, af, type, protocol);
1580
1581   if( pwsi )
1582   {
1583     int         sock;
1584
1585     /* check the socket family */
1586     switch(af)
1587     {
1588 #ifdef HAVE_LINUX_IPX_H
1589         case WS_AF_IPX: af = AF_IPX;
1590 #endif
1591         case AF_INET:
1592         case AF_UNSPEC: break;
1593         default:        pwsi->err = WSAEAFNOSUPPORT;
1594                         return INVALID_SOCKET32;
1595     }
1596
1597     /* check the socket type */
1598     switch(type)
1599     {
1600         case SOCK_STREAM:
1601         case SOCK_DGRAM:
1602         case SOCK_RAW:  break;
1603         default:        pwsi->err = WSAESOCKTNOSUPPORT;
1604                         return INVALID_SOCKET32;
1605     }
1606
1607     /* check the protocol type */
1608     if ( protocol < 0 )  /* don't support negative values */
1609     { pwsi->err = WSAEPROTONOSUPPORT; return INVALID_SOCKET32; }
1610
1611     if ( af == AF_UNSPEC)  /* did they not specify the address family? */
1612         switch(protocol)
1613         {
1614           case IPPROTO_TCP:
1615              if (type == SOCK_STREAM) { af = AF_INET; break; }
1616           case IPPROTO_UDP:
1617              if (type == SOCK_DGRAM)  { af = AF_INET; break; }
1618           default: pwsi->err = WSAEPROTOTYPE; return INVALID_SOCKET32;
1619         }
1620
1621     if ((sock = socket(af, type, protocol)) >= 0)
1622     {
1623         ws_socket*      pnew = wsi_alloc_socket(pwsi, sock);
1624
1625         TRACE(winsock,"\tcreated %i (handle %04x)\n", sock, (UINT16)WS_PTR2HANDLE(pnew));
1626
1627         if( pnew )
1628         {
1629             pnew->flags |= WS_FD_INACTIVE;
1630             return (SOCKET16)WS_PTR2HANDLE(pnew);
1631         }
1632
1633         close(sock);
1634         pwsi->err = WSAENOBUFS;
1635         return INVALID_SOCKET32;
1636     }
1637
1638     if (errno == EPERM) /* raw socket denied */
1639     {
1640         WARN(winsock, "WS_SOCKET: not enough privileges\n");
1641         pwsi->err = WSAESOCKTNOSUPPORT;
1642     } else pwsi->err = wsaErrno();
1643   }
1644
1645   WARN(winsock, "\t\tfailed!\n");
1646   return INVALID_SOCKET32;
1647 }
1648
1649 /***********************************************************************
1650  *              socket()                (WINSOCK.23)
1651  */
1652 SOCKET16 WINAPI WINSOCK_socket16(INT16 af, INT16 type, INT16 protocol)
1653 {
1654     return (SOCKET16)WINSOCK_socket32( af, type, protocol );
1655 }
1656
1657
1658 /* ----------------------------------- DNS services
1659  *
1660  * IMPORTANT: 16-bit API structures have SEGPTR pointers inside them.
1661  * Also, we have to use wsock32 stubs to convert structures and
1662  * error codes from Unix to WSA, hence there is no direct mapping in
1663  * the relay32/wsock32.spec.
1664  */
1665
1666 static char*    NULL_STRING = "NULL";
1667
1668 /***********************************************************************
1669  *              gethostbyaddr()         (WINSOCK.51)(WSOCK32.51)
1670  */
1671 static struct WIN_hostent* __ws_gethostbyaddr(const char *addr, int len, int type, int dup_flag)
1672 {
1673     LPWSINFO            pwsi = wsi_find(GetCurrentTask());
1674
1675     if( pwsi )
1676     {
1677         struct hostent* host;
1678         if( (host = gethostbyaddr(addr, len, type)) != NULL )
1679             if( WS_dup_he(pwsi, host, dup_flag) )
1680                 return (struct WIN_hostent*)(pwsi->he);
1681             else
1682                 pwsi->err = WSAENOBUFS;
1683         else
1684             pwsi->err = (h_errno < 0) ? wsaErrno() : wsaHerrno();
1685     }
1686     return NULL;
1687 }
1688
1689 SEGPTR WINAPI WINSOCK_gethostbyaddr16(const char *addr, INT16 len, INT16 type)
1690 {
1691     struct WIN_hostent* retval;
1692     TRACE(winsock, "ptr %08x, len %d, type %d\n",
1693                             (unsigned) addr, len, type);
1694     retval = __ws_gethostbyaddr( addr, len, type, WS_DUP_SEGPTR );
1695     return retval ? SEGPTR_GET(retval) : ((SEGPTR)NULL);
1696 }
1697
1698 struct WIN_hostent* WINAPI WINSOCK_gethostbyaddr32(const char *addr, INT32 len,
1699                                                 INT32 type)
1700 {
1701     TRACE(winsock, "ptr %08x, len %d, type %d\n",
1702                              (unsigned) addr, len, type);
1703     return __ws_gethostbyaddr(addr, len, type, WS_DUP_LINEAR);
1704 }
1705
1706 /***********************************************************************
1707  *              gethostbyname()         (WINSOCK.52)(WSOCK32.52)
1708  */
1709 static struct WIN_hostent * __ws_gethostbyname(const char *name, int dup_flag)
1710 {
1711     LPWSINFO              pwsi = wsi_find(GetCurrentTask());
1712
1713     if( pwsi )
1714     {
1715         struct hostent*     host;
1716         if( (host = gethostbyname(name)) != NULL )
1717              if( WS_dup_he(pwsi, host, dup_flag) )
1718                  return (struct WIN_hostent*)(pwsi->he);
1719              else pwsi->err = WSAENOBUFS;
1720         else pwsi->err = (h_errno < 0) ? wsaErrno() : wsaHerrno();
1721     }
1722     return NULL;
1723 }
1724
1725 SEGPTR WINAPI WINSOCK_gethostbyname16(const char *name)
1726 {
1727     struct WIN_hostent* retval;
1728     TRACE(winsock, "%s\n", (name)?name:NULL_STRING);
1729     retval = __ws_gethostbyname( name, WS_DUP_SEGPTR );
1730     return (retval)? SEGPTR_GET(retval) : ((SEGPTR)NULL) ;
1731 }
1732
1733 struct WIN_hostent* WINAPI WINSOCK_gethostbyname32(const char* name)
1734 {
1735     TRACE(winsock, "%s\n", (name)?name:NULL_STRING);
1736     return __ws_gethostbyname( name, WS_DUP_LINEAR );
1737 }
1738
1739
1740 /***********************************************************************
1741  *              getprotobyname()        (WINSOCK.53)(WSOCK32.53)
1742  */
1743 static struct WIN_protoent* __ws_getprotobyname(const char *name, int dup_flag)
1744 {
1745     LPWSINFO              pwsi = wsi_find(GetCurrentTask());
1746
1747     if( pwsi )
1748     {
1749         struct protoent*     proto;
1750         if( (proto = getprotobyname(name)) != NULL )
1751             if( WS_dup_pe(pwsi, proto, dup_flag) )
1752                 return (struct WIN_protoent*)(pwsi->pe);
1753             else pwsi->err = WSAENOBUFS;
1754         else pwsi->err = (h_errno < 0) ? wsaErrno() : wsaHerrno();
1755     }
1756     return NULL;
1757 }
1758
1759 SEGPTR WINAPI WINSOCK_getprotobyname16(const char *name)
1760 {
1761     struct WIN_protoent* retval;
1762     TRACE(winsock, "%s\n", (name)?name:NULL_STRING);
1763     retval = __ws_getprotobyname(name, WS_DUP_SEGPTR);
1764     return retval ? SEGPTR_GET(retval) : ((SEGPTR)NULL);
1765 }
1766
1767 struct WIN_protoent* WINAPI WINSOCK_getprotobyname32(const char* name)
1768 {
1769     TRACE(winsock, "%s\n", (name)?name:NULL_STRING);
1770     return __ws_getprotobyname(name, WS_DUP_LINEAR);
1771 }
1772
1773
1774 /***********************************************************************
1775  *              getprotobynumber()      (WINSOCK.54)(WSOCK32.54)
1776  */
1777 static struct WIN_protoent* __ws_getprotobynumber(int number, int dup_flag)
1778 {
1779     LPWSINFO              pwsi = wsi_find(GetCurrentTask());
1780
1781     if( pwsi )
1782     {
1783         struct protoent*     proto;
1784         if( (proto = getprotobynumber(number)) != NULL )
1785             if( WS_dup_pe(pwsi, proto, dup_flag) )
1786                 return (struct WIN_protoent*)(pwsi->pe);
1787             else pwsi->err = WSAENOBUFS;
1788         else pwsi->err = WSANO_DATA;
1789     }
1790     return NULL;
1791 }
1792
1793 SEGPTR WINAPI WINSOCK_getprotobynumber16(INT16 number)
1794 {
1795     struct WIN_protoent* retval;
1796     TRACE(winsock, "%i\n", number);
1797     retval = __ws_getprotobynumber(number, WS_DUP_SEGPTR);
1798     return retval ? SEGPTR_GET(retval) : ((SEGPTR)NULL);
1799 }
1800
1801 struct WIN_protoent* WINAPI WINSOCK_getprotobynumber32(INT32 number)
1802 {
1803     TRACE(winsock, "%i\n", number);
1804     return __ws_getprotobynumber(number, WS_DUP_LINEAR);
1805 }
1806
1807
1808 /***********************************************************************
1809  *              getservbyname()         (WINSOCK.55)(WSOCK32.55)
1810  */
1811 struct WIN_servent* __ws_getservbyname(const char *name, const char *proto, int dup_flag)
1812 {
1813     LPWSINFO              pwsi = wsi_find(GetCurrentTask());
1814
1815     if( pwsi )
1816     {
1817         struct servent*     serv;
1818         int i = wsi_strtolo( pwsi, name, proto );
1819
1820         if( i )
1821             if( (serv = getservbyname(pwsi->buffer, pwsi->buffer + i)) != NULL )
1822                 if( WS_dup_se(pwsi, serv, dup_flag) )
1823                     return (struct WIN_servent*)(pwsi->se);
1824                 else pwsi->err = WSAENOBUFS;
1825             else pwsi->err = (h_errno < 0) ? wsaErrno() : wsaHerrno();
1826         else pwsi->err = WSAENOBUFS;
1827     }
1828     return NULL;
1829 }
1830
1831 SEGPTR WINAPI WINSOCK_getservbyname16(const char *name, const char *proto)
1832 {
1833     struct WIN_servent* retval;
1834     TRACE(winsock, "'%s', '%s'\n",
1835                             (name)?name:NULL_STRING, (proto)?proto:NULL_STRING);
1836     retval = __ws_getservbyname(name, proto, WS_DUP_SEGPTR);
1837     return retval ? SEGPTR_GET(retval) : ((SEGPTR)NULL);
1838 }
1839
1840 struct WIN_servent* WINAPI WINSOCK_getservbyname32(const char *name, const char *proto)
1841 {
1842     TRACE(winsock, "'%s', '%s'\n",
1843                             (name)?name:NULL_STRING, (proto)?proto:NULL_STRING);
1844     return __ws_getservbyname(name, proto, WS_DUP_LINEAR);
1845 }
1846
1847
1848 /***********************************************************************
1849  *              getservbyport()         (WINSOCK.56)(WSOCK32.56)
1850  */
1851 static struct WIN_servent* __ws_getservbyport(int port, const char* proto, int dup_flag)
1852 {
1853     LPWSINFO              pwsi = wsi_find(GetCurrentTask());
1854
1855     if( pwsi )
1856     {
1857         struct servent*     serv;
1858         int i = wsi_strtolo( pwsi, proto, NULL );
1859
1860         if( i )
1861             if( (serv = getservbyport(port, pwsi->buffer)) != NULL )
1862                 if( WS_dup_se(pwsi, serv, dup_flag) )
1863                     return (struct WIN_servent*)(pwsi->se);
1864                 else pwsi->err = WSAENOBUFS;
1865             else pwsi->err = (h_errno < 0) ? wsaErrno() : wsaHerrno();
1866         else pwsi->err = WSAENOBUFS;
1867     }
1868     return NULL;
1869 }
1870
1871 SEGPTR WINAPI WINSOCK_getservbyport16(INT16 port, const char *proto)
1872 {
1873     struct WIN_servent* retval;
1874     TRACE(winsock, "%i, '%s'\n",
1875                             (int)port, (proto)?proto:NULL_STRING);
1876     retval = __ws_getservbyport(port, proto, WS_DUP_SEGPTR);
1877     return retval ? SEGPTR_GET(retval) : ((SEGPTR)NULL);
1878 }
1879
1880 struct WIN_servent* WINAPI WINSOCK_getservbyport32(INT32 port, const char *proto)
1881 {
1882     TRACE(winsock, "%i, '%s'\n",
1883                             (int)port, (proto)?proto:NULL_STRING);
1884     return __ws_getservbyport(port, proto, WS_DUP_LINEAR);
1885 }
1886
1887
1888 /***********************************************************************
1889  *              gethostname()           (WSOCK32.57)
1890  */
1891 INT32 WINAPI WINSOCK_gethostname32(char *name, INT32 namelen)
1892 {
1893     LPWSINFO              pwsi = wsi_find(GetCurrentTask());
1894
1895     TRACE(winsock, "(%08x): name %s, len %d\n",
1896                           (unsigned)pwsi, (name)?name:NULL_STRING, namelen);
1897     if( pwsi )
1898     {
1899         if (gethostname(name, namelen) == 0) return 0;
1900         pwsi->err = (errno == EINVAL) ? WSAEFAULT : wsaErrno();
1901     }
1902     return SOCKET_ERROR;
1903 }
1904
1905 /***********************************************************************
1906  *              gethostname()           (WINSOCK.57)
1907  */
1908 INT16 WINAPI WINSOCK_gethostname16(char *name, INT16 namelen)
1909 {
1910     return (INT16)WINSOCK_gethostname32(name, namelen);
1911 }
1912
1913
1914 /* ------------------------------------- Windows sockets extensions -- *
1915  *                                                                     *
1916  * ------------------------------------------------------------------- */
1917
1918
1919 /***********************************************************************
1920  *       WSAAsyncGetHostByAddr()        (WINSOCK.102)
1921  */
1922 HANDLE16 WINAPI WSAAsyncGetHostByAddr16(HWND16 hWnd, UINT16 uMsg, LPCSTR addr,
1923                                INT16 len, INT16 type, SEGPTR sbuf, INT16 buflen)
1924 {
1925   LPWSINFO              pwsi = wsi_find(GetCurrentTask());
1926
1927   TRACE(winsock, "(%08x): hwnd %04x, msg %04x, addr %08x[%i]\n",
1928                (unsigned)pwsi, hWnd, uMsg, (unsigned)addr , len );
1929
1930   if( pwsi )
1931     return __WSAsyncDBQuery(pwsi, hWnd, uMsg, type, addr, len,
1932                             NULL, (void*)sbuf, buflen, WSMSG_ASYNC_HOSTBYADDR );
1933   return 0;
1934 }
1935
1936 /***********************************************************************
1937  *       WSAAsyncGetHostByAddr()        (WSOCK32.102)
1938  */
1939 HANDLE32 WINAPI WSAAsyncGetHostByAddr32(HWND32 hWnd, UINT32 uMsg, LPCSTR addr,
1940                                INT32 len, INT32 type, LPSTR sbuf, INT32 buflen)
1941 {
1942   LPWSINFO              pwsi = wsi_find(GetCurrentTask());
1943
1944   TRACE(winsock, "(%08x): hwnd %04x, msg %08x, addr %08x[%i]\n",
1945                (unsigned)pwsi, (HWND16)hWnd, uMsg, (unsigned)addr , len );
1946
1947   if( pwsi )
1948     return __WSAsyncDBQuery(pwsi, hWnd, uMsg, type, addr, len,
1949                             NULL, (void*)sbuf, buflen, WSMSG_ASYNC_HOSTBYADDR | WSMSG_WIN32_AOP);
1950   return 0;
1951 }
1952
1953
1954 /***********************************************************************
1955  *       WSAAsyncGetHostByName()        (WINSOCK.103)
1956  */
1957 HANDLE16 WINAPI WSAAsyncGetHostByName16(HWND16 hWnd, UINT16 uMsg, LPCSTR name,
1958                                       SEGPTR sbuf, INT16 buflen)
1959 {
1960   LPWSINFO              pwsi = wsi_find(GetCurrentTask());
1961
1962   TRACE(winsock, "(%08x): hwnd %04x, msg %04x, host %s,
1963 buffer %i\n", (unsigned)pwsi, hWnd, uMsg, (name)?name:NULL_STRING, (int)buflen );
1964
1965   if( pwsi )
1966     return __WSAsyncDBQuery(pwsi, hWnd, uMsg, 0, name, 0,
1967                             NULL, (void*)sbuf, buflen, WSMSG_ASYNC_HOSTBYNAME );
1968   return 0;
1969 }
1970
1971 /***********************************************************************
1972  *       WSAAsyncGetHostByName32()      (WSOCK32.103)
1973  */
1974 HANDLE32 WINAPI WSAAsyncGetHostByName32(HWND32 hWnd, UINT32 uMsg, LPCSTR name,
1975                                         LPSTR sbuf, INT32 buflen)
1976 {
1977   LPWSINFO              pwsi = wsi_find(GetCurrentTask());
1978   TRACE(winsock, "(%08x): hwnd %04x, msg %08x, host %s, buffer %i\n",
1979                (unsigned)pwsi, (HWND16)hWnd, uMsg,
1980                (name)?name:NULL_STRING, (int)buflen );
1981   if( pwsi )
1982     return __WSAsyncDBQuery(pwsi, hWnd, uMsg, 0, name, 0,
1983                             NULL, (void*)sbuf, buflen, WSMSG_ASYNC_HOSTBYNAME | WSMSG_WIN32_AOP);
1984   return 0;
1985 }
1986
1987
1988 /***********************************************************************
1989  *       WSAAsyncGetProtoByName()       (WINSOCK.105)
1990  */
1991 HANDLE16 WINAPI WSAAsyncGetProtoByName16(HWND16 hWnd, UINT16 uMsg, LPCSTR name,
1992                                          SEGPTR sbuf, INT16 buflen)
1993 {
1994   LPWSINFO              pwsi = wsi_find(GetCurrentTask());
1995
1996   TRACE(winsock, "(%08x): hwnd %04x, msg %08x, protocol %s\n",
1997                (unsigned)pwsi, (HWND16)hWnd, uMsg, (name)?name:NULL_STRING );
1998
1999   if( pwsi )
2000     return __WSAsyncDBQuery(pwsi, hWnd, uMsg, 0, name, 0,
2001                             NULL, (void*)sbuf, buflen, WSMSG_ASYNC_PROTOBYNAME );
2002   return 0;
2003 }
2004
2005 /***********************************************************************
2006  *       WSAAsyncGetProtoByName()       (WSOCK32.105)
2007  */
2008 HANDLE32 WINAPI WSAAsyncGetProtoByName32(HWND32 hWnd, UINT32 uMsg, LPCSTR name,
2009                                          LPSTR sbuf, INT32 buflen)
2010 {
2011   LPWSINFO              pwsi = wsi_find(GetCurrentTask());
2012
2013   TRACE(winsock, "(%08x): hwnd %04x, msg %08x, protocol %s\n",
2014                (unsigned)pwsi, (HWND16)hWnd, uMsg, (name)?name:NULL_STRING );
2015
2016   if( pwsi )
2017     return __WSAsyncDBQuery(pwsi, hWnd, uMsg, 0, name, 0,
2018                             NULL, (void*)sbuf, buflen, WSMSG_ASYNC_PROTOBYNAME | WSMSG_WIN32_AOP);
2019   return 0;
2020 }
2021
2022
2023 /***********************************************************************
2024  *       WSAAsyncGetProtoByNumber()     (WINSOCK.104)
2025  */
2026 HANDLE16 WINAPI WSAAsyncGetProtoByNumber16(HWND16 hWnd, UINT16 uMsg, INT16 number,
2027                                            SEGPTR sbuf, INT16 buflen)
2028 {
2029   LPWSINFO              pwsi = wsi_find(GetCurrentTask());
2030
2031   TRACE(winsock, "(%08x): hwnd %04x, msg %04x, num %i\n",
2032                (unsigned)pwsi, hWnd, uMsg, number );
2033
2034   if( pwsi )
2035     return __WSAsyncDBQuery(pwsi, hWnd, uMsg, number, NULL, 0,
2036                             NULL, (void*)sbuf, buflen, WSMSG_ASYNC_PROTOBYNUM );
2037   return 0;
2038 }
2039
2040 /***********************************************************************
2041  *       WSAAsyncGetProtoByNumber()     (WSOCK32.104)
2042  */
2043 HANDLE32 WINAPI WSAAsyncGetProtoByNumber32(HWND32 hWnd, UINT32 uMsg, INT32 number,
2044                                            LPSTR sbuf, INT32 buflen)
2045 {
2046   LPWSINFO              pwsi = wsi_find(GetCurrentTask());
2047
2048   TRACE(winsock, "(%08x): hwnd %04x, msg %08x, num %i\n",
2049                (unsigned)pwsi, (HWND16)hWnd, uMsg, number );
2050
2051   if( pwsi )
2052     return __WSAsyncDBQuery(pwsi, hWnd, uMsg, number, NULL, 0,
2053                             NULL, (void*)sbuf, buflen, WSMSG_ASYNC_PROTOBYNUM | WSMSG_WIN32_AOP);
2054   return 0;
2055 }
2056
2057
2058 /***********************************************************************
2059  *       WSAAsyncGetServByName()        (WINSOCK.107)
2060  */
2061 HANDLE16 WINAPI WSAAsyncGetServByName16(HWND16 hWnd, UINT16 uMsg, LPCSTR name,
2062                                         LPCSTR proto, SEGPTR sbuf, INT16 buflen)
2063 {
2064   LPWSINFO              pwsi = wsi_find(GetCurrentTask());
2065
2066   TRACE(winsock, "(%08x): hwnd %04x, msg %04x, name %s, proto %s\n",
2067                (unsigned)pwsi, hWnd, uMsg,
2068                (name)?name:NULL_STRING, (proto)?proto:NULL_STRING );
2069
2070   if( pwsi )
2071   {
2072       int i = wsi_strtolo( pwsi, name, proto );
2073
2074       if( i )
2075           return __WSAsyncDBQuery(pwsi, hWnd, uMsg, 0, pwsi->buffer, 0,
2076                     pwsi->buffer + i, (void*)sbuf, buflen, WSMSG_ASYNC_SERVBYNAME );
2077   }
2078   return 0;
2079 }
2080
2081 /***********************************************************************
2082  *       WSAAsyncGetServByName()        (WSOCK32.107)
2083  */
2084 HANDLE32 WINAPI WSAAsyncGetServByName32(HWND32 hWnd, UINT32 uMsg, LPCSTR name,
2085                                         LPCSTR proto, LPSTR sbuf, INT32 buflen)
2086 {
2087   LPWSINFO              pwsi = wsi_find(GetCurrentTask());
2088
2089   TRACE(winsock, "(%08x): hwnd %04x, msg %08x, name %s, proto %s\n",
2090                (unsigned)pwsi, (HWND16)hWnd, uMsg,
2091                (name)?name:NULL_STRING, (proto)?proto:NULL_STRING );
2092   if( pwsi )
2093   {
2094       int i = wsi_strtolo( pwsi, name, proto );
2095
2096       if( i )
2097           return __WSAsyncDBQuery(pwsi, hWnd, uMsg, 0, pwsi->buffer, 0,
2098                  pwsi->buffer + i, (void*)sbuf, buflen, WSMSG_ASYNC_SERVBYNAME | WSMSG_WIN32_AOP);
2099   }
2100   return 0;
2101 }
2102
2103
2104 /***********************************************************************
2105  *       WSAAsyncGetServByPort()        (WINSOCK.106)
2106  */
2107 HANDLE16 WINAPI WSAAsyncGetServByPort16(HWND16 hWnd, UINT16 uMsg, INT16 port,
2108                                         LPCSTR proto, SEGPTR sbuf, INT16 buflen)
2109 {
2110   LPWSINFO              pwsi = wsi_find(GetCurrentTask());
2111
2112   TRACE(winsock, "(%08x): hwnd %04x, msg %04x, port %i, proto %s\n",
2113                (unsigned)pwsi, hWnd, uMsg, port, (proto)?proto:NULL_STRING );
2114
2115   if( pwsi )
2116   {
2117       int i = wsi_strtolo( pwsi, proto, NULL );
2118
2119       if( i )
2120           return __WSAsyncDBQuery(pwsi, hWnd, uMsg, port, pwsi->buffer, 0,
2121                 NULL, (void*)sbuf, buflen, WSMSG_ASYNC_SERVBYPORT );
2122   }
2123   return 0;
2124 }
2125
2126 /***********************************************************************
2127  *       WSAAsyncGetServByPort()        (WSOCK32.106)
2128  */
2129 HANDLE32 WINAPI WSAAsyncGetServByPort32(HWND32 hWnd, UINT32 uMsg, INT32 port,
2130                                         LPCSTR proto, LPSTR sbuf, INT32 buflen)
2131 {
2132   LPWSINFO              pwsi = wsi_find(GetCurrentTask());
2133
2134   TRACE(winsock, "(%08x): hwnd %04x, msg %08x, port %i, proto %s\n",
2135                (unsigned)pwsi, (HWND16)hWnd, uMsg, port, (proto)?proto:NULL_STRING );
2136
2137   if( pwsi )
2138   {
2139       int i = wsi_strtolo( pwsi, proto, NULL );
2140
2141       if( i )
2142           return __WSAsyncDBQuery(pwsi, hWnd, uMsg, port, pwsi->buffer, 0,
2143                  NULL, (void*)sbuf, buflen, WSMSG_ASYNC_SERVBYPORT | WSMSG_WIN32_AOP);
2144   }
2145   return 0;
2146 }
2147
2148
2149 /***********************************************************************
2150  *       WSACancelAsyncRequest()        (WINSOCK.108)(WSOCK32.109)
2151  */
2152 INT32 WINAPI WSACancelAsyncRequest32(HANDLE32 hAsyncTaskHandle)
2153 {
2154     INT32               retVal = SOCKET_ERROR;
2155     LPWSINFO            pwsi = wsi_find(GetCurrentTask());
2156     ws_async_op*        p_aop = (ws_async_op*)WS_HANDLE2PTR(hAsyncTaskHandle);
2157
2158     TRACE(winsock, "(%08x): handle %08x\n",
2159                            (unsigned)pwsi, hAsyncTaskHandle);
2160     if( pwsi )
2161     {
2162         SIGNAL_MaskAsyncEvents( TRUE ); /* block SIGIO */
2163         if( WINSOCK_cancel_async_op(p_aop) )
2164         {
2165             WS_FREE(p_aop);
2166             pwsi->num_async_rq--;
2167             retVal = 0;
2168         }
2169         else pwsi->err = WSAEINVAL;
2170         SIGNAL_MaskAsyncEvents( FALSE );
2171     }
2172     return retVal;
2173 }
2174
2175 INT16 WINAPI WSACancelAsyncRequest16(HANDLE16 hAsyncTaskHandle)
2176 {
2177     return (HANDLE16)WSACancelAsyncRequest32((HANDLE32)hAsyncTaskHandle);
2178 }
2179
2180 /***********************************************************************
2181  *      WSAAsyncSelect()                (WINSOCK.101)(WSOCK32.101)
2182  */
2183
2184 static ws_select_op* __ws_select_list = NULL;
2185
2186 BOOL32 WINSOCK_HandleIO( int* max_fd, int num_pending,
2187                          fd_set pending_set[3], fd_set event_set[3] )
2188 {
2189     /* This function is called by the event dispatcher
2190      * with the pending_set[] containing the result of select() and
2191      * the event_set[] containing all fd that are being watched */
2192
2193     ws_select_op*       psop = __ws_select_list;
2194     BOOL32              bPost = FALSE;
2195     DWORD               dwEvent, dwErrBytes;
2196     int                 num_posted;
2197
2198     TRACE(winsock,"%i pending descriptors\n", num_pending );
2199
2200     for( num_posted = dwEvent = 0 ; psop; psop = psop->next )
2201     {
2202         unsigned        flags = psop->pws->flags;
2203         int             fd = psop->pws->fd;
2204         int             r, w, e;
2205
2206         w = 0;
2207         if( (r = FD_ISSET( fd, &pending_set[EVENT_IO_READ] )) ||
2208             (w = FD_ISSET( fd, &pending_set[EVENT_IO_WRITE] )) ||
2209             (e = FD_ISSET( fd, &pending_set[EVENT_IO_EXCEPT] )) )
2210         {
2211             /* This code removes WS_FD flags on one-shot events (WS_FD_CLOSE,
2212              * WS_FD_CONNECT), otherwise it clears descriptors in the io_set.
2213              * Reenabling calls turn them back on.
2214              */
2215
2216             TRACE(winsock,"\tchecking psop = 0x%08x\n", (unsigned) psop );
2217
2218             num_pending--;
2219
2220             /* Now figure out what kind of event we've got. The worst problem
2221              * we have to contend with is that some out of control applications
2222              * really want to use mutually exclusive AsyncSelect() flags all at
2223              * the same time.
2224              */
2225
2226             if((flags & WS_FD_ACCEPT) && (flags & WS_FD_LISTENING))
2227             {
2228                 /* WS_FD_ACCEPT is valid only if the socket is in the
2229                  * listening state */
2230
2231                 FD_CLR( fd, &event_set[EVENT_IO_WRITE] );
2232                 if( r )
2233                 {
2234                     FD_CLR( fd, &event_set[EVENT_IO_READ] ); /* reenabled by the next accept() */
2235                     dwEvent = WSAMAKESELECTREPLY( WS_FD_ACCEPT, 0 );
2236                     bPost = TRUE;
2237                 }
2238                 else continue;
2239             }
2240             else if( flags & WS_FD_CONNECT )
2241             {
2242                 /* connecting socket */
2243
2244                 if( w || (w = FD_ISSET( fd, &pending_set[EVENT_IO_WRITE] )) )
2245                 {
2246                     /* ready to write means that socket is connected
2247                      *
2248                      * FIXME: Netscape calls AsyncSelect( s, ... WS_FD_CONNECT .. )
2249                      * right after s = socket() and somehow "s" becomes writeable
2250                      * before it goes through connect()!?!?
2251                      */
2252
2253                     psop->pws->flags |= WS_FD_CONNECTED;
2254                     psop->pws->flags &= ~(WS_FD_CONNECT | WS_FD_INACTIVE);
2255                     dwEvent = WSAMAKESELECTREPLY( WS_FD_CONNECT, 0 );
2256
2257                     if( flags & (WS_FD_READ | WS_FD_CLOSE))
2258                         FD_SET( fd, &event_set[EVENT_IO_READ] );
2259                     else
2260                         FD_CLR( fd, &event_set[EVENT_IO_READ] );
2261                     if( flags & WS_FD_WRITE )
2262                         FD_SET( fd, &event_set[EVENT_IO_WRITE] );
2263                     else
2264                         FD_CLR( fd, &event_set[EVENT_IO_WRITE] );
2265                     bPost = TRUE;
2266                 }
2267                 else if( r )
2268                 {
2269                     /* failure - do read() to get correct errno */
2270
2271                     if( read( fd, &dwErrBytes, sizeof(dwErrBytes) ) == -1 )
2272                     {
2273                         dwEvent = WSAMAKESELECTREPLY( WS_FD_CONNECT, wsaErrno() );
2274                         bPost = TRUE;
2275                     }
2276                 }
2277                 /* otherwise bPost stays FALSE, should probably clear event_set  */
2278             }
2279             else
2280             {
2281                 /* connected socket, no WS_FD_OOB code for now. */
2282
2283                 if( flags & WS_FD_WRITE &&
2284                    (w || (w = FD_ISSET( fd, &pending_set[EVENT_IO_WRITE] ))) )
2285                 {
2286                     /* this will be reenabled when send() or sendto() fail with
2287                      * WSAEWOULDBLOCK */
2288
2289                     if( PostMessage32A( psop->hWnd, psop->uMsg, (WPARAM32)WS_PTR2HANDLE(psop->pws),
2290                                       (LPARAM)WSAMAKESELECTREPLY( WS_FD_WRITE, 0 ) ) )
2291                     {
2292                         TRACE(winsock, "\t    hwnd %04x - %04x, %08x\n",
2293                                 psop->hWnd, psop->uMsg, (unsigned)MAKELONG(WS_FD_WRITE, 0) );
2294                         FD_CLR( fd, &event_set[EVENT_IO_WRITE] );
2295                         num_posted++;
2296                     }
2297                 }
2298
2299                 if( r && (flags & (WS_FD_READ | WS_FD_CLOSE)) )
2300                 {
2301                     int val = (flags & WS_FD_RAW);
2302
2303                      /* WS_FD_RAW is set by the WSAAsyncSelect() init */
2304
2305                     bPost = TRUE;
2306                     if( !val && ioctl( fd, FIONREAD, (char*)&dwErrBytes) == -1 )
2307                     {
2308                         /* weirdness */
2309
2310                         dwEvent = WSAMAKESELECTREPLY( WS_FD_READ, wsaErrno() );
2311                     }
2312                     else if( val || dwErrBytes )
2313                     {
2314                         /* got pending data, will be reenabled by recv() or recvfrom() */
2315
2316                         FD_CLR( fd, &event_set[EVENT_IO_READ] );
2317                         dwEvent = WSAMAKESELECTREPLY( WS_FD_READ, 0 );
2318                     }
2319                     else
2320                     {
2321                         /* 0 bytes to read - connection reset by peer? */
2322
2323                         do
2324                             val = read( fd, (char*)&dwErrBytes, sizeof(dwErrBytes));
2325                         while( errno == EINTR );
2326                         if( errno != EWOULDBLOCK )
2327                         {
2328                             switch( val )
2329                             {
2330                                 case  0: errno = ENETDOWN;      /* soft reset, fall through */
2331                                 case -1:                        /* hard reset */
2332                                          dwEvent = WSAMAKESELECTREPLY( WS_FD_CLOSE, wsaErrno() );
2333                                          break;
2334
2335                                 default: bPost = FALSE;
2336                                          continue;              /* FIXME: this is real bad */
2337                             }
2338                         }
2339                         else { bPost = FALSE; continue; }       /* more weirdness */
2340
2341                         /* this is it, this socket is closed */
2342
2343                         psop->pws->flags &= ~(WS_FD_READ | WS_FD_CLOSE | WS_FD_WRITE);
2344                         FD_CLR( fd, &event_set[EVENT_IO_READ] );
2345                         FD_CLR( fd, &event_set[EVENT_IO_WRITE] );
2346
2347                         if( *max_fd == (fd + 1) ) (*max_fd)--;
2348                     }
2349                 }
2350             }
2351
2352             if( bPost )
2353             {
2354                 TRACE(winsock, "\t    hwnd %04x - %04x, %08x\n",
2355                                 psop->hWnd, psop->uMsg, (unsigned)dwEvent );
2356                 PostMessage32A( psop->hWnd, psop->uMsg,
2357                               (WPARAM32)WS_PTR2HANDLE(psop->pws), (LPARAM)dwEvent );
2358                 bPost = FALSE;
2359                 num_posted++;
2360             }
2361         }
2362         if( num_pending <= 0 ) break;
2363     }
2364
2365     TRACE(winsock, "\tdone, %i posted events\n", num_posted );
2366     return ( num_posted ) ? TRUE : FALSE;
2367 }
2368
2369 INT32 WINAPI WSAAsyncSelect32(SOCKET32 s, HWND32 hWnd, UINT32 uMsg, UINT32 lEvent)
2370 {
2371     ws_socket*    pws  = (ws_socket*)WS_HANDLE2PTR(s);
2372     LPWSINFO      pwsi = wsi_find(GetCurrentTask());
2373
2374     TRACE(winsock, "(%08x): %04x, hWnd %04x, uMsg %08x, event %08x\n",
2375                           (unsigned)pwsi, (SOCKET16)s, (HWND16)hWnd, uMsg, (unsigned)lEvent );
2376     if( _check_ws(pwsi, pws) )
2377     {
2378         ws_select_op* psop;
2379
2380         if( (psop = pws->psop) )
2381         {
2382             /* delete previous control struct */
2383
2384             if( psop == __ws_select_list )
2385                 __ws_select_list = psop->next;
2386             else
2387                 psop->prev->next = psop->next;
2388             if( psop->next ) psop->next->prev = psop->prev;
2389
2390             if( pws->flags & (WS_FD_ACCEPT | WS_FD_CONNECT | WS_FD_READ | WS_FD_CLOSE) )
2391                 EVENT_DeleteIO( pws->fd, EVENT_IO_READ );
2392             if( pws->flags & (WS_FD_CONNECT | WS_FD_WRITE) )
2393                 EVENT_DeleteIO( pws->fd, EVENT_IO_WRITE );
2394
2395             TRACE(winsock,"\tremoving psop = 0x%08x\n", (unsigned) psop );
2396
2397             WS_FREE( pws->psop );
2398             pws->flags &= ~(WS_FD_RAW | WS_FD_ACCEPT | WS_FD_CONNECT |
2399                             WS_FD_READ | WS_FD_WRITE | WS_FD_CLOSE);
2400             pws->psop = NULL;
2401         }
2402
2403         if( lEvent )
2404         {
2405             psop = (ws_select_op*)WS_ALLOC(sizeof(ws_select_op));
2406             if( psop )
2407             {
2408                 int sock_type, bytes = sizeof(int);
2409
2410                 WINSOCK_unblock_io( pws->fd, TRUE );
2411
2412                 psop->prev = NULL;
2413                 psop->next = __ws_select_list;
2414                 if( __ws_select_list )
2415                     __ws_select_list->prev = psop;
2416                 __ws_select_list = psop;
2417
2418                 psop->pws = pws;
2419                 psop->hWnd = hWnd;
2420                 psop->uMsg = uMsg;
2421
2422                 pws->psop = psop;
2423                 pws->flags |= (0x0000FFFF & lEvent);
2424                 getsockopt(pws->fd, SOL_SOCKET, SO_TYPE, &sock_type, &bytes);
2425                 if( sock_type == SOCK_RAW ) pws->flags |= WS_FD_RAW;
2426
2427                 if( lEvent & (WS_FD_ACCEPT | WS_FD_CONNECT | WS_FD_READ | WS_FD_CLOSE) )
2428                     EVENT_AddIO( pws->fd, EVENT_IO_READ );
2429                 if( lEvent & (WS_FD_CONNECT | WS_FD_WRITE) )
2430                     EVENT_AddIO( pws->fd, EVENT_IO_WRITE );
2431
2432                 /* TODO: handle WS_FD_ACCEPT right away if the socket is readable */
2433
2434                 TRACE(winsock,"\tcreating psop = 0x%08x\n", (unsigned)psop );
2435
2436                 return 0; /* success */
2437             }
2438             else pwsi->err = WSAENOBUFS;
2439         }
2440         else return 0;
2441     }
2442     else if( pwsi ) pwsi->err = WSAEINVAL;
2443     return SOCKET_ERROR;
2444 }
2445
2446 INT16 WINAPI WSAAsyncSelect16(SOCKET16 s, HWND16 hWnd, UINT16 wMsg, UINT32 lEvent)
2447 {
2448     return (INT16)WSAAsyncSelect32( s, hWnd, wMsg, lEvent );
2449 }
2450
2451
2452 /***********************************************************************
2453  *      __WSAFDIsSet()                  (WINSOCK.151)
2454  */
2455 INT16 WINAPI __WSAFDIsSet16(SOCKET16 s, ws_fd_set16 *set)
2456 {
2457   int i = set->fd_count;
2458
2459   TRACE(winsock, "(%d,%8lx(%i))\n", s,(unsigned long)set, i);
2460
2461   while (i--)
2462       if (set->fd_array[i] == s) return 1;
2463   return 0;
2464 }
2465
2466 /***********************************************************************
2467  *      __WSAFDIsSet()                  (WSOCK32.151)
2468  */
2469 INT32 WINAPI __WSAFDIsSet32(SOCKET32 s, ws_fd_set32 *set)
2470 {
2471   int i = set->fd_count;
2472
2473   TRACE(winsock, "(%d,%8lx(%i))\n", s,(unsigned long)set, i);
2474
2475   while (i--)
2476       if (set->fd_array[i] == s) return 1;
2477   return 0;
2478 }
2479
2480 /***********************************************************************
2481  *      WSAIsBlocking()                 (WINSOCK.114)(WSOCK32.114)
2482  */
2483 BOOL32 WINAPI WSAIsBlocking(void)
2484 {
2485   /* By default WinSock should set all its sockets to non-blocking mode
2486    * and poll in PeekMessage loop when processing "blocking" ones. This
2487    * function is supposed to tell if the program is in this loop. Our
2488    * blocking calls are truly blocking so we always return FALSE.
2489    *
2490    * Note: It is allowed to call this function without prior WSAStartup().
2491    */
2492
2493   TRACE(winsock, "\n");
2494   return FALSE;
2495 }
2496
2497 /***********************************************************************
2498  *      WSACancelBlockingCall()         (WINSOCK.113)(WSOCK32.113)
2499  */
2500 INT32 WINAPI WSACancelBlockingCall(void)
2501 {
2502   LPWSINFO              pwsi = wsi_find(GetCurrentTask());
2503
2504   TRACE(winsock, "(%08x)\n", (unsigned)pwsi);
2505
2506   if( pwsi ) return 0;
2507   return SOCKET_ERROR;
2508 }
2509
2510
2511 /***********************************************************************
2512  *      WSASetBlockingHook16()          (WINSOCK.109)
2513  */
2514 FARPROC16 WINAPI WSASetBlockingHook16(FARPROC16 lpBlockFunc)
2515 {
2516   FARPROC16             prev;
2517   LPWSINFO              pwsi = wsi_find(GetCurrentTask());
2518
2519   TRACE(winsock, "(%08x): hook %08x\n",
2520                (unsigned)pwsi, (unsigned) lpBlockFunc);
2521   if( pwsi )
2522   {
2523       prev = (FARPROC16)pwsi->blocking_hook;
2524       pwsi->blocking_hook = (DWORD)lpBlockFunc;
2525       pwsi->flags &= ~WSI_BLOCKINGHOOK32;
2526       return prev;
2527   }
2528   return 0;
2529 }
2530
2531
2532 /***********************************************************************
2533  *      WSASetBlockingHook32()
2534  */
2535 FARPROC32 WINAPI WSASetBlockingHook32(FARPROC32 lpBlockFunc)
2536 {
2537   FARPROC32             prev;
2538   LPWSINFO              pwsi = wsi_find(GetCurrentTask());
2539
2540   TRACE(winsock, "(%08x): hook %08x\n",
2541                (unsigned)pwsi, (unsigned) lpBlockFunc);
2542   if( pwsi ) {
2543       prev = (FARPROC32)pwsi->blocking_hook;
2544       pwsi->blocking_hook = (DWORD)lpBlockFunc;
2545       pwsi->flags |= WSI_BLOCKINGHOOK32;
2546       return prev;
2547   }
2548   return NULL;
2549 }
2550
2551
2552 /***********************************************************************
2553  *      WSAUnhookBlockingHook16()       (WINSOCK.110)
2554  */
2555 INT16 WINAPI WSAUnhookBlockingHook16(void)
2556 {
2557     LPWSINFO              pwsi = wsi_find(GetCurrentTask());
2558
2559     TRACE(winsock, "(%08x)\n", (unsigned)pwsi);
2560     if( pwsi ) return (INT16)(pwsi->blocking_hook = 0);
2561     return SOCKET_ERROR;
2562 }
2563
2564
2565 /***********************************************************************
2566  *      WSAUnhookBlockingHook32()
2567  */
2568 INT32 WINAPI WSAUnhookBlockingHook32(void)
2569 {
2570     LPWSINFO              pwsi = wsi_find(GetCurrentTask());
2571
2572     TRACE(winsock, "(%08x)\n", (unsigned)pwsi);
2573     if( pwsi )
2574     {
2575         pwsi->blocking_hook = 0;
2576         pwsi->flags &= ~WSI_BLOCKINGHOOK32;
2577         return 0;
2578     }
2579     return SOCKET_ERROR;
2580 }
2581
2582 /*
2583  *      TCP/IP action codes.
2584  */
2585
2586
2587 #define WSCNTL_TCPIP_QUERY_INFO             0x00000000
2588 #define WSCNTL_TCPIP_SET_INFO               0x00000001
2589 #define WSCNTL_TCPIP_ICMP_ECHO              0x00000002
2590 #define WSCNTL_TCPIP_TEST                   0x00000003
2591
2592
2593 /***********************************************************************
2594  *      WsControl()
2595  *
2596  * WsControl seems to be an undocumented Win95 function. A lot of
2597  * discussion about WsControl can be found on the net, e.g.
2598  * Subject:      Re: WSOCK32.DLL WsControl Exported Function
2599  * From:         "Peter Rindfuss" <rindfuss-s@medea.wz-berlin.de>
2600  * Date:         1997/08/17
2601  */
2602
2603 DWORD WINAPI WsControl(DWORD protocoll,DWORD action,
2604                       LPVOID inbuf,LPDWORD inbuflen,
2605                       LPVOID outbuf,LPDWORD outbuflen)
2606 {
2607
2608   switch (action) {
2609   case WSCNTL_TCPIP_ICMP_ECHO:
2610     {
2611       unsigned int addr = *(unsigned int*)inbuf;
2612 #if 0
2613       int timeout= *(unsigned int*)(inbuf+4);
2614       short x1 = *(unsigned short*)(inbuf+8);
2615       short sendbufsize = *(unsigned short*)(inbuf+10);
2616       char x2 = *(unsigned char*)(inbuf+12);
2617       char ttl = *(unsigned char*)(inbuf+13);
2618       char service = *(unsigned char*)(inbuf+14);
2619       char type= *(unsigned char*)(inbuf+15); /* 0x2: don't fragment*/
2620 #endif
2621
2622       FIXME(winsock,"(ICMP_ECHO) to 0x%08x stub \n", addr);
2623       break;
2624     }
2625   default:
2626     FIXME(winsock,"(%lx,%lx,%p,%p,%p,%p) stub\n",
2627           protocoll,action,inbuf,inbuflen,outbuf,outbuflen);
2628   }
2629   return FALSE;
2630 }
2631 /*********************************************************
2632  *       WS_s_perror         WSOCK32.1108
2633  */
2634 void WINAPI WS_s_perror(LPCSTR message)
2635 {
2636     FIXME(winsock,"(%s): stub\n",message);
2637     return;
2638 }
2639
2640
2641 /* ----------------------------------- end of API stuff */
2642
2643 /* ----------------------------------- helper functions -
2644  *
2645  * TODO: Merge WS_dup_..() stuff into one function that
2646  * would operate with a generic structure containing internal
2647  * pointers (via a template of some kind).
2648  */
2649
2650 static int list_size(char** l, int item_size)
2651 {
2652   int i,j = 0;
2653   if(l)
2654   { for(i=0;l[i];i++)
2655         j += (item_size) ? item_size : strlen(l[i]) + 1;
2656     j += (i + 1) * sizeof(char*); }
2657   return j;
2658 }
2659
2660 static int list_dup(char** l_src, char* ref, char* base, int item_size)
2661 {
2662    /* base is either either equal to ref or 0 or SEGPTR */
2663
2664    char*                p = ref;
2665    char**               l_to = (char**)ref;
2666    int                  i,j,k;
2667
2668    for(j=0;l_src[j];j++) ;
2669    p += (j + 1) * sizeof(char*);
2670    for(i=0;i<j;i++)
2671    { l_to[i] = base + (p - ref);
2672      k = ( item_size ) ? item_size : strlen(l_src[i]) + 1;
2673      memcpy(p, l_src[i], k); p += k; }
2674    l_to[i] = NULL;
2675    return (p - ref);
2676 }
2677
2678 /* ----- hostent */
2679
2680 static int hostent_size(struct hostent* p_he)
2681 {
2682   int size = 0;
2683   if( p_he )
2684   { size  = sizeof(struct hostent);
2685     size += strlen(p_he->h_name) + 1;
2686     size += list_size(p_he->h_aliases, 0);
2687     size += list_size(p_he->h_addr_list, p_he->h_length ); }
2688   return size;
2689 }
2690
2691 int WS_dup_he(LPWSINFO pwsi, struct hostent* p_he, int flag)
2692 {
2693    /* Convert hostent structure into ws_hostent so that the data fits
2694     * into pwsi->buffer. Internal pointers can be linear, SEGPTR, or
2695     * relative to pwsi->buffer depending on "flag" value. Returns size
2696     * of the data copied (also in the pwsi->buflen).
2697     */
2698
2699    int size = hostent_size(p_he);
2700
2701    if( size )
2702    {
2703      struct ws_hostent* p_to;
2704      char* p_name,*p_aliases,*p_addr,*p_base,*p;
2705
2706      _check_buffer_he(pwsi, size);
2707      p_to = (struct ws_hostent*)pwsi->he;
2708      p = (char*)pwsi->he;
2709      p_base = (flag & WS_DUP_OFFSET) ? NULL
2710                                      : ((flag & WS_DUP_SEGPTR) ? (char*)SEGPTR_GET(p) : p);
2711      p += sizeof(struct ws_hostent);
2712      p_name = p;
2713      strcpy(p, p_he->h_name); p += strlen(p) + 1;
2714      p_aliases = p;
2715      p += list_dup(p_he->h_aliases, p, p_base + (p - (char*)pwsi->he), 0);
2716      p_addr = p;
2717      list_dup(p_he->h_addr_list, p, p_base + (p - (char*)pwsi->he), p_he->h_length);
2718
2719      p_to->h_addrtype = (INT16)p_he->h_addrtype;
2720      p_to->h_length = (INT16)p_he->h_length;
2721      p_to->h_name = (SEGPTR)(p_base + (p_name - (char*)pwsi->he));
2722      p_to->h_aliases = (SEGPTR)(p_base + (p_aliases - (char*)pwsi->he));
2723      p_to->h_addr_list = (SEGPTR)(p_base + (p_addr - (char*)pwsi->he));
2724
2725      size += (sizeof(struct ws_hostent) - sizeof(struct hostent));
2726    }
2727    return size;
2728 }
2729
2730 /* ----- protoent */
2731
2732 static int protoent_size(struct protoent* p_pe)
2733 {
2734   int size = 0;
2735   if( p_pe )
2736   { size  = sizeof(struct protoent);
2737     size += strlen(p_pe->p_name) + 1;
2738     size += list_size(p_pe->p_aliases, 0); }
2739   return size;
2740 }
2741
2742 int WS_dup_pe(LPWSINFO pwsi, struct protoent* p_pe, int flag)
2743 {
2744    int size = protoent_size(p_pe);
2745    if( size )
2746    {
2747      struct ws_protoent* p_to;
2748      char* p_name,*p_aliases,*p_base,*p;
2749
2750      _check_buffer_pe(pwsi, size);
2751      p_to = (struct ws_protoent*)pwsi->pe;
2752      p = (char*)pwsi->pe;
2753      p_base = (flag & WS_DUP_OFFSET) ? NULL
2754                                      : ((flag & WS_DUP_SEGPTR) ? (char*)SEGPTR_GET(p) : p);
2755      p += sizeof(struct ws_protoent);
2756      p_name = p;
2757      strcpy(p, p_pe->p_name); p += strlen(p) + 1;
2758      p_aliases = p;
2759      list_dup(p_pe->p_aliases, p, p_base + (p - (char*)pwsi->pe), 0);
2760
2761      p_to->p_proto = (INT16)p_pe->p_proto;
2762      p_to->p_name = (SEGPTR)(p_base) + (p_name - (char*)pwsi->pe);
2763      p_to->p_aliases = (SEGPTR)((p_base) + (p_aliases - (char*)pwsi->pe));
2764
2765      size += (sizeof(struct ws_protoent) - sizeof(struct protoent));
2766    }
2767    return size;
2768 }
2769
2770 /* ----- servent */
2771
2772 static int servent_size(struct servent* p_se)
2773 {
2774   int size = 0;
2775   if( p_se )
2776   { size += sizeof(struct servent);
2777     size += strlen(p_se->s_proto) + strlen(p_se->s_name) + 2;
2778     size += list_size(p_se->s_aliases, 0); }
2779   return size;
2780 }
2781
2782 int WS_dup_se(LPWSINFO pwsi, struct servent* p_se, int flag)
2783 {
2784    int size = servent_size(p_se);
2785    if( size )
2786    {
2787      struct ws_servent* p_to;
2788      char* p_name,*p_aliases,*p_proto,*p_base,*p;
2789
2790      _check_buffer_se(pwsi, size);
2791      p_to = (struct ws_servent*)pwsi->se;
2792      p = (char*)pwsi->se;
2793      p_base = (flag & WS_DUP_OFFSET) ? NULL
2794                                      : ((flag & WS_DUP_SEGPTR) ? (char*)SEGPTR_GET(p) : p);
2795      p += sizeof(struct ws_servent);
2796      p_name = p;
2797      strcpy(p, p_se->s_name); p += strlen(p) + 1;
2798      p_proto = p;
2799      strcpy(p, p_se->s_proto); p += strlen(p) + 1;
2800      p_aliases = p;
2801      list_dup(p_se->s_aliases, p, p_base + (p - (char*)pwsi->se), 0);
2802
2803      p_to->s_port = (INT16)p_se->s_port;
2804      p_to->s_name = (SEGPTR)(p_base + (p_name - (char*)pwsi->se));
2805      p_to->s_proto = (SEGPTR)(p_base + (p_proto - (char*)pwsi->se));
2806      p_to->s_aliases = (SEGPTR)(p_base + (p_aliases - (char*)pwsi->se));
2807
2808      size += (sizeof(struct ws_servent) - sizeof(struct servent));
2809    }
2810    return size;
2811 }
2812
2813 /* ----------------------------------- error handling */
2814
2815 UINT16 wsaErrno(void)
2816 {
2817     int loc_errno = errno;
2818 #ifdef HAVE_STRERROR
2819     WARN(winsock, "errno %d, (%s).\n", loc_errno, strerror(loc_errno));
2820 #else
2821     WARN(winsock, "errno %d\n", loc_errno);
2822 #endif
2823
2824     switch(loc_errno)
2825     {
2826         case EINTR:             return WSAEINTR;
2827         case EBADF:             return WSAEBADF;
2828         case EACCES:            return WSAEACCES;
2829         case EFAULT:            return WSAEFAULT;
2830         case EINVAL:            return WSAEINVAL;
2831         case EMFILE:            return WSAEMFILE;
2832         case EWOULDBLOCK:       return WSAEWOULDBLOCK;
2833         case EINPROGRESS:       return WSAEINPROGRESS;
2834         case EALREADY:          return WSAEALREADY;
2835         case ENOTSOCK:          return WSAENOTSOCK;
2836         case EDESTADDRREQ:      return WSAEDESTADDRREQ;
2837         case EMSGSIZE:          return WSAEMSGSIZE;
2838         case EPROTOTYPE:        return WSAEPROTOTYPE;
2839         case ENOPROTOOPT:       return WSAENOPROTOOPT;
2840         case EPROTONOSUPPORT:   return WSAEPROTONOSUPPORT;
2841         case ESOCKTNOSUPPORT:   return WSAESOCKTNOSUPPORT;
2842         case EOPNOTSUPP:        return WSAEOPNOTSUPP;
2843         case EPFNOSUPPORT:      return WSAEPFNOSUPPORT;
2844         case EAFNOSUPPORT:      return WSAEAFNOSUPPORT;
2845         case EADDRINUSE:        return WSAEADDRINUSE;
2846         case EADDRNOTAVAIL:     return WSAEADDRNOTAVAIL;
2847         case ENETDOWN:          return WSAENETDOWN;
2848         case ENETUNREACH:       return WSAENETUNREACH;
2849         case ENETRESET:         return WSAENETRESET;
2850         case ECONNABORTED:      return WSAECONNABORTED;
2851         case EPIPE:
2852         case ECONNRESET:        return WSAECONNRESET;
2853         case ENOBUFS:           return WSAENOBUFS;
2854         case EISCONN:           return WSAEISCONN;
2855         case ENOTCONN:          return WSAENOTCONN;
2856         case ESHUTDOWN:         return WSAESHUTDOWN;
2857         case ETOOMANYREFS:      return WSAETOOMANYREFS;
2858         case ETIMEDOUT:         return WSAETIMEDOUT;
2859         case ECONNREFUSED:      return WSAECONNREFUSED;
2860         case ELOOP:             return WSAELOOP;
2861         case ENAMETOOLONG:      return WSAENAMETOOLONG;
2862         case EHOSTDOWN:         return WSAEHOSTDOWN;
2863         case EHOSTUNREACH:      return WSAEHOSTUNREACH;
2864         case ENOTEMPTY:         return WSAENOTEMPTY;
2865 #ifdef EPROCLIM
2866         case EPROCLIM:          return WSAEPROCLIM;
2867 #endif
2868 #ifdef EUSERS
2869         case EUSERS:            return WSAEUSERS;
2870 #endif
2871 #ifdef EDQUOT
2872         case EDQUOT:            return WSAEDQUOT;
2873 #endif
2874 #ifdef ESTALE
2875         case ESTALE:            return WSAESTALE;
2876 #endif
2877 #ifdef EREMOTE
2878         case EREMOTE:           return WSAEREMOTE;
2879 #endif
2880
2881        /* just in case we ever get here and there are no problems */
2882         case 0:                 return 0;
2883         default:
2884                 WARN(winsock, "Unknown errno %d!\n", loc_errno);
2885                 return WSAEOPNOTSUPP;
2886     }
2887 }
2888
2889 UINT16 wsaHerrno(void)
2890 {
2891     int         loc_errno = h_errno;
2892
2893     WARN(winsock, "h_errno %d.\n", loc_errno);
2894
2895     switch(loc_errno)
2896     {
2897         case HOST_NOT_FOUND:    return WSAHOST_NOT_FOUND;
2898         case TRY_AGAIN:         return WSATRY_AGAIN;
2899         case NO_RECOVERY:       return WSANO_RECOVERY;
2900         case NO_DATA:           return WSANO_DATA;
2901
2902         case 0:                 return 0;
2903         default:
2904                 WARN(winsock,"Unknown h_errno %d!\n", loc_errno);
2905                 return WSAEOPNOTSUPP;
2906     }
2907 }