src/msw/utils.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        msw/utils.cpp
   3 // Purpose:     Various utilities
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     04/01/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart and Markus Holzem
   9 // Licence:     wxWindows license
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // ============================================================================
  13 // declarations
  14 // ============================================================================
  15
  16 // ----------------------------------------------------------------------------
  17 // headers
  18 // ----------------------------------------------------------------------------
  19
  20 #ifdef __GNUG__
  21 // #pragma implementation "utils.h"   // Note: this is done in utilscmn.cpp now.
  22 #endif
  23
  24 // For compilers that support precompilation, includes "wx.h".
  25 #include "wx/wxprec.h"
  26
  27 #ifdef __BORLANDC__
  28     #pragma hdrstop
  29 #endif
  30
  31 #ifndef WX_PRECOMP
  32     #include "wx/utils.h"
  33     #include "wx/app.h"
  34     #include "wx/cursor.h"
  35     #include "wx/intl.h"
  36     #include "wx/log.h"
  37 #endif  //WX_PRECOMP
  38
  39 // In some mingws there is a missing extern "C" int the winsock header,
  40 // so we put it here just to be safe. Note that this must appear _before_
  41 // #include "wx/msw/private.h" which itself includes <windows.h>, as this
  42 // one in turn includes <winsock.h> unless we define WIN32_LEAN_AND_MEAN.
  43 //
  44 #if defined(__WIN32__) && !defined(__TWIN32__) && ! (defined(__GNUWIN32__) && !defined(__MINGW32__))
  45 extern "C" {
  46     #include <winsock.h>    // we use socket functions in wxGetFullHostName()
  47 }
  48 #endif
  49
  50 #include "wx/msw/private.h"     // includes <windows.h>
  51
  52 #include "wx/timer.h"
  53
  54 #if !defined(__GNUWIN32__) && !defined(__WXWINE__) && !defined(__SALFORDC__)
  55     #include <direct.h>
  56
  57     #ifndef __MWERKS__
  58         #include <dos.h>
  59     #endif
  60 #endif  //GNUWIN32
  61
  62 #if defined(__GNUWIN32__) && !defined(__TWIN32__)
  63     #include <sys/unistd.h>
  64     #include <sys/stat.h>
  65 #endif  //GNUWIN32
  66
  67 #ifdef __BORLANDC__ // Please someone tell me which version of Borland needs
  68                     // this (3.1 I believe) and how to test for it.
  69                     // If this works for Borland 4.0 as well, then no worries.
  70     #include <dir.h>
  71 #endif
  72
  73 // VZ: there is some code using NetXXX() functions to get the full user name:
  74 //     I don't think it's a good idea because they don't work under Win95 and
  75 //     seem to return the same as wxGetUserId() under NT. If you really want
  76 //     to use them, just #define USE_NET_API
  77 #undef USE_NET_API
  78
  79 #ifdef USE_NET_API
  80     #include <lm.h>
  81 #endif // USE_NET_API
  82
  83 #if defined(__WIN32__) && !defined(__WXWINE__)
  84     #include <io.h>
  85
  86     #ifndef __GNUWIN32__
  87         #include <shellapi.h>
  88     #endif
  89 #endif
  90
  91 #ifndef __WATCOMC__
  92     #if !(defined(_MSC_VER) && (_MSC_VER > 800))
  93         #include <errno.h>
  94     #endif
  95 #endif
  96
  97 //// BEGIN for console support: VC++ only
  98 #ifdef __VISUALC__
  99
 100 #include "wx/msw/msvcrt.h"
 101
 102 #include <fcntl.h>
 103
 104 #include "wx/ioswrap.h"
 105
 106 #include "wx/ioswrap.h"
 107
 108 /* Need to undef new if including crtdbg.h */
 109 #  ifdef new
 110 #  undef new
 111 #  endif
 112
 113 #ifndef __WIN16__
 114 #  include <crtdbg.h>
 115 #endif
 116
 117 #  if defined(__WXDEBUG__) && wxUSE_GLOBAL_MEMORY_OPERATORS && wxUSE_DEBUG_NEW_ALWAYS
 118 #  define new new(__TFILE__,__LINE__)
 119 #  endif
 120
 121 #endif
 122   // __VISUALC__
 123 /// END for console support
 124
 125 // ----------------------------------------------------------------------------
 126 // constants
 127 // ----------------------------------------------------------------------------
 128
 129 // In the WIN.INI file
 130 static const wxChar WX_SECTION[] = wxT("wxWindows");
 131 static const wxChar eUSERNAME[]  = wxT("UserName");
 132
 133 // these are only used under Win16
 134 #ifndef __WIN32__
 135 static const wxChar eHOSTNAME[]  = wxT("HostName");
 136 static const wxChar eUSERID[]    = wxT("UserId");
 137 #endif // !Win32
 138
 139 // ============================================================================
 140 // implementation
 141 // ============================================================================
 142
 143 // ----------------------------------------------------------------------------
 144 // get host name and related
 145 // ----------------------------------------------------------------------------
 146
 147 // Get hostname only (without domain name)
 148 bool wxGetHostName(wxChar *buf, int maxSize)
 149 {
 150 #if defined(__WIN32__) && !defined(__TWIN32__)
 151     DWORD nSize = maxSize;
 152     if ( !::GetComputerName(buf, &nSize) )
 153     {
 154         wxLogLastError(wxT("GetComputerName"));
 155
 156         return FALSE;
 157     }
 158
 159     return TRUE;
 160 #else
 161     wxChar *sysname;
 162     const wxChar *default_host = wxT("noname");
 163
 164     if ((sysname = wxGetenv(wxT("SYSTEM_NAME"))) == NULL) {
 165         GetProfileString(WX_SECTION, eHOSTNAME, default_host, buf, maxSize - 1);
 166     } else
 167         wxStrncpy(buf, sysname, maxSize - 1);
 168     buf[maxSize] = wxT('\0');
 169     return *buf ? TRUE : FALSE;
 170 #endif
 171 }
 172
 173 // get full hostname (with domain name if possible)
 174 bool wxGetFullHostName(wxChar *buf, int maxSize)
 175 {
 176 #if defined(__WIN32__) && !defined(__TWIN32__) && ! (defined(__GNUWIN32__) && !defined(__MINGW32__))
 177     // TODO should use GetComputerNameEx() when available
 178     WSADATA wsa;
 179     if ( WSAStartup(MAKEWORD(1, 1), &wsa) == 0 )
 180     {
 181         wxString host;
 182         char bufA[256];
 183         if ( gethostname(bufA, WXSIZEOF(bufA)) == 0 )
 184         {
 185             // gethostname() won't usually include the DNS domain name, for
 186             // this we need to work a bit more
 187             if ( !strchr(bufA, '.') )
 188             {
 189                 struct hostent *pHostEnt =  gethostbyname(bufA);
 190
 191                 if ( pHostEnt )
 192                 {
 193                     // Windows will use DNS internally now
 194                     pHostEnt = gethostbyaddr(pHostEnt->h_addr, 4, PF_INET);
 195                 }
 196
 197                 if ( pHostEnt )
 198                 {
 199                     host = pHostEnt->h_name;
 200                 }
 201             }
 202         }
 203
 204         WSACleanup();
 205
 206         if ( !!host )
 207         {
 208             wxStrncpy(buf, host, maxSize);
 209
 210             return TRUE;
 211         }
 212     }
 213 #endif // Win32
 214
 215     return wxGetHostName(buf, maxSize);
 216 }
 217
 218 // Get user ID e.g. jacs
 219 bool wxGetUserId(wxChar *buf, int maxSize)
 220 {
 221 #if defined(__WIN32__) && !defined(__win32s__) && !defined(__TWIN32__)
 222     DWORD nSize = maxSize;
 223     if ( ::GetUserName(buf, &nSize) == 0 )
 224     {
 225         // actually, it does happen on Win9x if the user didn't log on
 226         DWORD res = ::GetEnvironmentVariable(wxT("username"), buf, maxSize);
 227         if ( res == 0 )
 228         {
 229             // not found
 230             return FALSE;
 231         }
 232     }
 233
 234     return TRUE;
 235 #else   // Win16 or Win32s
 236     wxChar *user;
 237     const wxChar *default_id = wxT("anonymous");
 238
 239     // Can't assume we have NIS (PC-NFS) or some other ID daemon
 240     // So we ...
 241     if (  (user = wxGetenv(wxT("USER"))) == NULL &&
 242             (user = wxGetenv(wxT("LOGNAME"))) == NULL )
 243     {
 244         // Use wxWindows configuration data (comming soon)
 245         GetProfileString(WX_SECTION, eUSERID, default_id, buf, maxSize - 1);
 246     }
 247     else
 248     {
 249         wxStrncpy(buf, user, maxSize - 1);
 250     }
 251
 252     return *buf ? TRUE : FALSE;
 253 #endif
 254 }
 255
 256 // Get user name e.g. Julian Smart
 257 bool wxGetUserName(wxChar *buf, int maxSize)
 258 {
 259 #if wxUSE_PENWINDOWS && !defined(__WATCOMC__) && !defined(__GNUWIN32__)
 260     extern HANDLE g_hPenWin; // PenWindows Running?
 261     if (g_hPenWin)
 262     {
 263         // PenWindows Does have a user concept!
 264         // Get the current owner of the recognizer
 265         GetPrivateProfileString("Current", "User", default_name, wxBuffer, maxSize - 1, "PENWIN.INI");
 266         strncpy(buf, wxBuffer, maxSize - 1);
 267     }
 268     else
 269 #endif
 270     {
 271 #ifdef USE_NET_API
 272         CHAR szUserName[256];
 273         if ( !wxGetUserId(szUserName, WXSIZEOF(szUserName)) )
 274             return FALSE;
 275
 276         // TODO how to get the domain name?
 277         CHAR *szDomain = "";
 278
 279         // the code is based on the MSDN example (also see KB article Q119670)
 280         WCHAR wszUserName[256];          // Unicode user name
 281         WCHAR wszDomain[256];
 282         LPBYTE ComputerName;
 283
 284         USER_INFO_2 *ui2;         // User structure
 285
 286         // Convert ANSI user name and domain to Unicode
 287         MultiByteToWideChar( CP_ACP, 0, szUserName, strlen(szUserName)+1,
 288                 wszUserName, WXSIZEOF(wszUserName) );
 289         MultiByteToWideChar( CP_ACP, 0, szDomain, strlen(szDomain)+1,
 290                 wszDomain, WXSIZEOF(wszDomain) );
 291
 292         // Get the computer name of a DC for the domain.
 293         if ( NetGetDCName( NULL, wszDomain, &ComputerName ) != NERR_Success )
 294         {
 295             wxLogError(wxT("Can not find domain controller"));
 296
 297             goto error;
 298         }
 299
 300         // Look up the user on the DC
 301         NET_API_STATUS status = NetUserGetInfo( (LPWSTR)ComputerName,
 302                 (LPWSTR)&wszUserName,
 303                 2, // level - we want USER_INFO_2
 304                 (LPBYTE *) &ui2 );
 305         switch ( status )
 306         {
 307             case NERR_Success:
 308                 // ok
 309                 break;
 310
 311             case NERR_InvalidComputer:
 312                 wxLogError(wxT("Invalid domain controller name."));
 313
 314                 goto error;
 315
 316             case NERR_UserNotFound:
 317                 wxLogError(wxT("Invalid user name '%s'."), szUserName);
 318
 319                 goto error;
 320
 321             default:
 322                 wxLogSysError(wxT("Can't get information about user"));
 323
 324                 goto error;
 325         }
 326
 327         // Convert the Unicode full name to ANSI
 328         WideCharToMultiByte( CP_ACP, 0, ui2->usri2_full_name, -1,
 329                 buf, maxSize, NULL, NULL );
 330
 331         return TRUE;
 332
 333 error:
 334         wxLogError(wxT("Couldn't look up full user name."));
 335
 336         return FALSE;
 337 #else  // !USE_NET_API
 338         // Could use NIS, MS-Mail or other site specific programs
 339         // Use wxWindows configuration data
 340         bool ok = GetProfileString(WX_SECTION, eUSERNAME, wxT(""), buf, maxSize - 1) != 0;
 341         if ( !ok )
 342         {
 343             ok = wxGetUserId(buf, maxSize);
 344         }
 345
 346         if ( !ok )
 347         {
 348             wxStrncpy(buf, wxT("Unknown User"), maxSize);
 349         }
 350 #endif // Win32/16
 351     }
 352
 353     return TRUE;
 354 }
 355
 356 const wxChar* wxGetHomeDir(wxString *pstr)
 357 {
 358   wxString& strDir = *pstr;
 359
 360   #if defined(__UNIX__) && !defined(__TWIN32__)
 361     const wxChar *szHome = wxGetenv("HOME");
 362     if ( szHome == NULL ) {
 363       // we're homeless...
 364       wxLogWarning(_("can't find user's HOME, using current directory."));
 365       strDir = wxT(".");
 366     }
 367     else
 368        strDir = szHome;
 369
 370     // add a trailing slash if needed
 371     if ( strDir.Last() != wxT('/') )
 372       strDir << wxT('/');
 373   #else   // Windows
 374     #ifdef  __WIN32__
 375       const wxChar *szHome = wxGetenv(wxT("HOMEDRIVE"));
 376       if ( szHome != NULL )
 377         strDir << szHome;
 378       szHome = wxGetenv(wxT("HOMEPATH"));
 379       if ( szHome != NULL ) {
 380         strDir << szHome;
 381
 382         // the idea is that under NT these variables have default values
 383         // of "%systemdrive%:" and "\\". As we don't want to create our
 384         // config files in the root directory of the system drive, we will
 385         // create it in our program's dir. However, if the user took care
 386         // to set HOMEPATH to something other than "\\", we suppose that he
 387         // knows what he is doing and use the supplied value.
 388         if ( wxStrcmp(szHome, wxT("\\")) != 0 )
 389           return strDir.c_str();
 390       }
 391
 392     #else   // Win16
 393       // Win16 has no idea about home, so use the working directory instead
 394     #endif  // WIN16/32
 395
 396     // 260 was taken from windef.h
 397     #ifndef MAX_PATH
 398       #define MAX_PATH  260
 399     #endif
 400
 401     wxString strPath;
 402     ::GetModuleFileName(::GetModuleHandle(NULL),
 403                         strPath.GetWriteBuf(MAX_PATH), MAX_PATH);
 404     strPath.UngetWriteBuf();
 405
 406     // extract the dir name
 407     wxSplitPath(strPath, &strDir, NULL, NULL);
 408
 409   #endif  // UNIX/Win
 410
 411   return strDir.c_str();
 412 }
 413
 414 wxChar *wxGetUserHome(const wxString& WXUNUSED(user))
 415 {
 416     // VZ: the old code here never worked for user != "" anyhow! Moreover, it
 417     //     returned sometimes a malloc()'d pointer, sometimes a pointer to a
 418     //     static buffer and sometimes I don't even know what.
 419     static wxString s_home;
 420
 421     return (wxChar *)wxGetHomeDir(&s_home);
 422 }
 423
 424 bool wxDirExists(const wxString& dir)
 425 {
 426 #if defined(__WIN32__)
 427     DWORD attribs = GetFileAttributes(dir);
 428     return ((attribs != (DWORD)-1) && (attribs & FILE_ATTRIBUTE_DIRECTORY));
 429 #else // Win16
 430     #ifdef __BORLANDC__
 431         struct ffblk fileInfo;
 432     #else
 433         struct find_t fileInfo;
 434     #endif
 435     // In Borland findfirst has a different argument
 436     // ordering from _dos_findfirst. But _dos_findfirst
 437     // _should_ be ok in both MS and Borland... why not?
 438     #ifdef __BORLANDC__
 439         return (findfirst(dir, &fileInfo, _A_SUBDIR) == 0 &&
 440                (fileInfo.ff_attrib & _A_SUBDIR) != 0);
 441     #else
 442         return (_dos_findfirst(dir, _A_SUBDIR, &fileInfo) == 0) &&
 443                ((fileInfo.attrib & _A_SUBDIR) != 0);
 444     #endif
 445 #endif // Win32/16
 446 }
 447
 448 // ----------------------------------------------------------------------------
 449 // env vars
 450 // ----------------------------------------------------------------------------
 451
 452 bool wxGetEnv(const wxString& var, wxString *value)
 453 {
 454 #ifdef __WIN16__
 455     const wxChar* ret = wxGetenv(var);
 456     if (ret)
 457     {
 458         *value = ret;
 459         return TRUE;
 460     }
 461     else
 462         return FALSE;
 463 #else
 464     // first get the size of the buffer
 465     DWORD dwRet = ::GetEnvironmentVariable(var, NULL, 0);
 466     if ( !dwRet )
 467     {
 468         // this means that there is no such variable
 469         return FALSE;
 470     }
 471
 472     if ( value )
 473     {
 474         (void)::GetEnvironmentVariable(var, value->GetWriteBuf(dwRet), dwRet);
 475         value->UngetWriteBuf();
 476     }
 477
 478     return TRUE;
 479 #endif
 480 }
 481
 482 bool wxSetEnv(const wxString& var, const wxChar *value)
 483 {
 484     // some compilers have putenv() or _putenv() or _wputenv() but it's better
 485     // to always use Win32 function directly instead of dealing with them
 486 #if defined(__WIN32__)
 487     if ( !::SetEnvironmentVariable(var, value) )
 488     {
 489         wxLogLastError(_T("SetEnvironmentVariable"));
 490
 491         return FALSE;
 492     }
 493
 494     return TRUE;
 495 #else // no way to set env vars
 496     return FALSE;
 497 #endif
 498 }
 499
 500 // ----------------------------------------------------------------------------
 501 // process management
 502 // ----------------------------------------------------------------------------
 503
 504 #ifdef __WIN32__
 505
 506 // structure used to pass parameters from wxKill() to wxEnumFindByPidProc()
 507 struct wxFindByPidParams
 508 {
 509     wxFindByPidParams() { hwnd = 0; pid = 0; }
 510
 511     // the HWND used to return the result
 512     HWND hwnd;
 513
 514     // the PID we're looking from
 515     DWORD pid;
 516 };
 517
 518 // wxKill helper: EnumWindows() callback which is used to find the first (top
 519 // level) window belonging to the given process
 520 BOOL CALLBACK wxEnumFindByPidProc(HWND hwnd, LPARAM lParam)
 521 {
 522     DWORD pid;
 523     (void)::GetWindowThreadProcessId(hwnd, &pid);
 524
 525     wxFindByPidParams *params = (wxFindByPidParams *)lParam;
 526     if ( pid == params->pid )
 527     {
 528         // remember the window we found
 529         params->hwnd = hwnd;
 530
 531         // return FALSE to stop the enumeration
 532         return FALSE;
 533     }
 534
 535     // continue enumeration
 536     return TRUE;
 537 }
 538
 539 #endif // __WIN32__
 540
 541 int wxKill(long pid, wxSignal sig, wxKillError *krc)
 542 {
 543 #ifdef __WIN32__
 544     // get the process handle to operate on
 545     HANDLE hProcess = ::OpenProcess(SYNCHRONIZE |
 546                                     PROCESS_TERMINATE |
 547                                     PROCESS_QUERY_INFORMATION,
 548                                     FALSE, // not inheritable
 549                                     (DWORD)pid);
 550     if ( hProcess == NULL )
 551     {
 552         if ( krc )
 553         {
 554             if ( ::GetLastError() == ERROR_ACCESS_DENIED )
 555             {
 556                 *krc = wxKILL_ACCESS_DENIED;
 557             }
 558             else
 559             {
 560                 *krc = wxKILL_NO_PROCESS;
 561             }
 562         }
 563
 564         return -1;
 565     }
 566
 567     bool ok = TRUE;
 568     switch ( sig )
 569     {
 570         case wxSIGKILL:
 571             // kill the process forcefully returning -1 as error code
 572             if ( !::TerminateProcess(hProcess, (UINT)-1) )
 573             {
 574                 wxLogSysError(_("Failed to kill process %d"), pid);
 575
 576                 if ( krc )
 577                 {
 578                     // this is not supposed to happen if we could open the
 579                     // process
 580                     *krc = wxKILL_ERROR;
 581                 }
 582
 583                 ok = FALSE;
 584             }
 585             break;
 586
 587         case wxSIGNONE:
 588             // do nothing, we just want to test for process existence
 589             break;
 590
 591         default:
 592             // any other signal means "terminate"
 593             {
 594                 wxFindByPidParams params;
 595                 params.pid = (DWORD)pid;
 596
 597                 // EnumWindows() has nice semantics: it returns 0 if it found
 598                 // something or if an error occured and non zero if it
 599                 // enumerated all the window
 600                 if ( !::EnumWindows(wxEnumFindByPidProc, (LPARAM)&params) )
 601                 {
 602                     // did we find any window?
 603                     if ( params.hwnd )
 604                     {
 605                         // tell the app to close
 606                         //
 607                         // NB: this is the harshest way, the app won't have
 608                         //     opportunity to save any files, for example, but
 609                         //     this is probably what we want here. If not we
 610                         //     can also use SendMesageTimeout(WM_CLOSE)
 611                         if ( !::PostMessage(params.hwnd, WM_QUIT, 0, 0) )
 612                         {
 613                             wxLogLastError(_T("PostMessage(WM_QUIT)"));
 614                         }
 615                     }
 616                     else // it was an error then
 617                     {
 618                         wxLogLastError(_T("EnumWindows"));
 619
 620                         ok = FALSE;
 621                     }
 622                 }
 623                 else // no windows for this PID
 624                 {
 625                     if ( krc )
 626                     {
 627                         *krc = wxKILL_ERROR;
 628                     }
 629
 630                     ok = FALSE;
 631                 }
 632             }
 633     }
 634
 635     // the return code
 636     DWORD rc;
 637
 638     if ( ok )
 639     {
 640         // as we wait for a short time, we can use just WaitForSingleObject()
 641         // and not MsgWaitForMultipleObjects()
 642         switch ( ::WaitForSingleObject(hProcess, 500 /* msec */) )
 643         {
 644             case WAIT_OBJECT_0:
 645                 // process terminated
 646                 if ( !::GetExitCodeProcess(hProcess, &rc) )
 647                 {
 648                     wxLogLastError(_T("GetExitCodeProcess"));
 649                 }
 650                 break;
 651
 652             default:
 653                 wxFAIL_MSG( _T("unexpected WaitForSingleObject() return") );
 654                 // fall through
 655
 656             case WAIT_FAILED:
 657                 wxLogLastError(_T("WaitForSingleObject"));
 658                 // fall through
 659
 660             case WAIT_TIMEOUT:
 661                 if ( krc )
 662                 {
 663                     *krc = wxKILL_ERROR;
 664                 }
 665
 666                 rc = STILL_ACTIVE;
 667                 break;
 668         }
 669     }
 670     else // !ok
 671     {
 672         // just to suppress the warnings about uninitialized variable
 673         rc = 0;
 674     }
 675
 676     ::CloseHandle(hProcess);
 677
 678     // the return code is the same as from Unix kill(): 0 if killed
 679     // successfully or -1 on error
 680     if ( sig == wxSIGNONE )
 681     {
 682         if ( ok && rc == STILL_ACTIVE )
 683         {
 684             // there is such process => success
 685             return 0;
 686         }
 687     }
 688     else // not SIGNONE
 689     {
 690         if ( ok && rc != STILL_ACTIVE )
 691         {
 692             // killed => success
 693             return 0;
 694         }
 695     }
 696 #else // Win15
 697     wxFAIL_MSG( _T("not implemented") );
 698 #endif // Win32/Win16
 699
 700     // error
 701     return -1;
 702 }
 703
 704 // Execute a program in an Interactive Shell
 705 bool wxShell(const wxString& command)
 706 {
 707     wxChar *shell = wxGetenv(wxT("COMSPEC"));
 708     if ( !shell )
 709         shell = wxT("\\COMMAND.COM");
 710
 711     wxString cmd;
 712     if ( !command )
 713     {
 714         // just the shell
 715         cmd = shell;
 716     }
 717     else
 718     {
 719         // pass the command to execute to the command processor
 720         cmd.Printf(wxT("%s /c %s"), shell, command.c_str());
 721     }
 722
 723     return wxExecute(cmd, TRUE /* sync */) != 0;
 724 }
 725
 726 // ----------------------------------------------------------------------------
 727 // misc
 728 // ----------------------------------------------------------------------------
 729
 730 // Get free memory in bytes, or -1 if cannot determine amount (e.g. on UNIX)
 731 long wxGetFreeMemory()
 732 {
 733 #if defined(__WIN32__) && !defined(__BORLANDC__) && !defined(__TWIN32__)
 734     MEMORYSTATUS memStatus;
 735     memStatus.dwLength = sizeof(MEMORYSTATUS);
 736     GlobalMemoryStatus(&memStatus);
 737     return memStatus.dwAvailPhys;
 738 #else
 739     return (long)GetFreeSpace(0);
 740 #endif
 741 }
 742
 743 // Emit a beeeeeep
 744 void wxBell()
 745 {
 746     ::MessageBeep((UINT)-1);        // default sound
 747 }
 748
 749 wxString wxGetOsDescription()
 750 {
 751 #ifdef __WIN32__
 752     wxString str;
 753
 754     OSVERSIONINFO info;
 755     wxZeroMemory(info);
 756
 757     info.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
 758     if ( ::GetVersionEx(&info) )
 759     {
 760         switch ( info.dwPlatformId )
 761         {
 762             case VER_PLATFORM_WIN32s:
 763                 str = _("Win32s on Windows 3.1");
 764                 break;
 765
 766             case VER_PLATFORM_WIN32_WINDOWS:
 767                 str.Printf(_("Windows 9%c"),
 768                            info.dwMinorVersion == 0 ? _T('5') : _T('8'));
 769                 if ( !wxIsEmpty(info.szCSDVersion) )
 770                 {
 771                     str << _T(" (") << info.szCSDVersion << _T(')');
 772                 }
 773                 break;
 774
 775             case VER_PLATFORM_WIN32_NT:
 776                 str.Printf(_T("Windows NT %lu.%lu (build %lu"),
 777                            info.dwMajorVersion,
 778                            info.dwMinorVersion,
 779                            info.dwBuildNumber);
 780                 if ( !wxIsEmpty(info.szCSDVersion) )
 781                 {
 782                     str << _T(", ") << info.szCSDVersion;
 783                 }
 784                 str << _T(')');
 785                 break;
 786         }
 787     }
 788     else
 789     {
 790         wxFAIL_MSG( _T("GetVersionEx() failed") ); // should never happen
 791     }
 792
 793     return str;
 794 #else // Win16
 795     return _("Windows 3.1");
 796 #endif // Win32/16
 797 }
 798
 799 int wxGetOsVersion(int *majorVsn, int *minorVsn)
 800 {
 801 #if defined(__WIN32__) && !defined(__SC__)
 802     OSVERSIONINFO info;
 803     wxZeroMemory(info);
 804
 805     info.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
 806     if ( ::GetVersionEx(&info) )
 807     {
 808         if (majorVsn)
 809             *majorVsn = info.dwMajorVersion;
 810         if (minorVsn)
 811             *minorVsn = info.dwMinorVersion;
 812
 813         switch ( info.dwPlatformId )
 814         {
 815             case VER_PLATFORM_WIN32s:
 816                 return wxWIN32S;
 817
 818             case VER_PLATFORM_WIN32_WINDOWS:
 819                 return wxWIN95;
 820
 821             case VER_PLATFORM_WIN32_NT:
 822                 return wxWINDOWS_NT;
 823         }
 824     }
 825
 826     return wxWINDOWS; // error if we get here, return generic value
 827 #else // Win16
 828     int retValue = wxWINDOWS;
 829     #ifdef __WINDOWS_386__
 830         retValue = wxWIN386;
 831     #else
 832         #if !defined(__WATCOMC__) && !defined(GNUWIN32) && wxUSE_PENWINDOWS
 833             extern HANDLE g_hPenWin;
 834             retValue = g_hPenWin ? wxPENWINDOWS : wxWINDOWS;
 835         #endif
 836     #endif
 837
 838     if (majorVsn)
 839         *majorVsn = 3;
 840     if (minorVsn)
 841         *minorVsn = 1;
 842
 843     return retValue;
 844 #endif
 845 }
 846
 847 // ----------------------------------------------------------------------------
 848 // sleep functions
 849 // ----------------------------------------------------------------------------
 850
 851 #if wxUSE_GUI
 852
 853 #if wxUSE_TIMER
 854
 855 // Sleep for nSecs seconds. Attempt a Windows implementation using timers.
 856 static bool gs_inTimer = FALSE;
 857
 858 class wxSleepTimer : public wxTimer
 859 {
 860 public:
 861     virtual void Notify()
 862     {
 863         gs_inTimer = FALSE;
 864         Stop();
 865     }
 866 };
 867
 868 static wxTimer *wxTheSleepTimer = NULL;
 869
 870 void wxUsleep(unsigned long milliseconds)
 871 {
 872 #ifdef __WIN32__
 873     ::Sleep(milliseconds);
 874 #else // !Win32
 875     if (gs_inTimer)
 876         return;
 877
 878     wxTheSleepTimer = new wxSleepTimer;
 879     gs_inTimer = TRUE;
 880     wxTheSleepTimer->Start(milliseconds);
 881     while (gs_inTimer)
 882     {
 883         if (wxTheApp->Pending())
 884             wxTheApp->Dispatch();
 885     }
 886     delete wxTheSleepTimer;
 887     wxTheSleepTimer = NULL;
 888 #endif // Win32/!Win32
 889 }
 890
 891 void wxSleep(int nSecs)
 892 {
 893     if (gs_inTimer)
 894         return;
 895
 896     wxTheSleepTimer = new wxSleepTimer;
 897     gs_inTimer = TRUE;
 898     wxTheSleepTimer->Start(nSecs*1000);
 899     while (gs_inTimer)
 900     {
 901         if (wxTheApp->Pending())
 902             wxTheApp->Dispatch();
 903     }
 904     delete wxTheSleepTimer;
 905     wxTheSleepTimer = NULL;
 906 }
 907
 908 // Consume all events until no more left
 909 void wxFlushEvents()
 910 {
 911 //  wxYield();
 912 }
 913
 914 #endif // wxUSE_TIMER
 915
 916 #elif defined(__WIN32__) // wxUSE_GUI
 917
 918 void wxUsleep(unsigned long milliseconds)
 919 {
 920     ::Sleep(milliseconds);
 921 }
 922
 923 void wxSleep(int nSecs)
 924 {
 925     wxUsleep(1000*nSecs);
 926 }
 927
 928 #endif // wxUSE_GUI/!wxUSE_GUI
 929
 930 // ----------------------------------------------------------------------------
 931 // deprecated (in favour of wxLog) log functions
 932 // ----------------------------------------------------------------------------
 933
 934 #if wxUSE_GUI
 935
 936 // Output a debug mess., in a system dependent fashion.
 937 void wxDebugMsg(const wxChar *fmt ...)
 938 {
 939   va_list ap;
 940   static wxChar buffer[512];
 941
 942   if (!wxTheApp->GetWantDebugOutput())
 943     return ;
 944
 945   va_start(ap, fmt);
 946
 947   wvsprintf(buffer,fmt,ap) ;
 948   OutputDebugString((LPCTSTR)buffer) ;
 949
 950   va_end(ap);
 951 }
 952
 953 // Non-fatal error: pop up message box and (possibly) continue
 954 void wxError(const wxString& msg, const wxString& title)
 955 {
 956   wxSprintf(wxBuffer, wxT("%s\nContinue?"), WXSTRINGCAST msg);
 957   if (MessageBox(NULL, (LPCTSTR)wxBuffer, (LPCTSTR)WXSTRINGCAST title,
 958              MB_ICONSTOP | MB_YESNO) == IDNO)
 959     wxExit();
 960 }
 961
 962 // Fatal error: pop up message box and abort
 963 void wxFatalError(const wxString& msg, const wxString& title)
 964 {
 965   wxSprintf(wxBuffer, wxT("%s: %s"), WXSTRINGCAST title, WXSTRINGCAST msg);
 966   FatalAppExit(0, (LPCTSTR)wxBuffer);
 967 }
 968
 969 // ----------------------------------------------------------------------------
 970 // functions to work with .INI files
 971 // ----------------------------------------------------------------------------
 972
 973 // Reading and writing resources (eg WIN.INI, .Xdefaults)
 974 #if wxUSE_RESOURCES
 975 bool wxWriteResource(const wxString& section, const wxString& entry, const wxString& value, const wxString& file)
 976 {
 977   if (file != wxT(""))
 978 // Don't know what the correct cast should be, but it doesn't
 979 // compile in BC++/16-bit without this cast.
 980 #if !defined(__WIN32__)
 981     return (WritePrivateProfileString((const char*) section, (const char*) entry, (const char*) value, (const char*) file) != 0);
 982 #else
 983     return (WritePrivateProfileString((LPCTSTR)WXSTRINGCAST section, (LPCTSTR)WXSTRINGCAST entry, (LPCTSTR)value, (LPCTSTR)WXSTRINGCAST file) != 0);
 984 #endif
 985   else
 986     return (WriteProfileString((LPCTSTR)WXSTRINGCAST section, (LPCTSTR)WXSTRINGCAST entry, (LPCTSTR)WXSTRINGCAST value) != 0);
 987 }
 988
 989 bool wxWriteResource(const wxString& section, const wxString& entry, float value, const wxString& file)
 990 {
 991     wxString buf;
 992     buf.Printf(wxT("%.4f"), value);
 993
 994     return wxWriteResource(section, entry, buf, file);
 995 }
 996
 997 bool wxWriteResource(const wxString& section, const wxString& entry, long value, const wxString& file)
 998 {
 999     wxString buf;
1000     buf.Printf(wxT("%ld"), value);
1001
1002     return wxWriteResource(section, entry, buf, file);
1003 }
1004
1005 bool wxWriteResource(const wxString& section, const wxString& entry, int value, const wxString& file)
1006 {
1007     wxString buf;
1008     buf.Printf(wxT("%d"), value);
1009
1010     return wxWriteResource(section, entry, buf, file);
1011 }
1012
1013 bool wxGetResource(const wxString& section, const wxString& entry, wxChar **value, const wxString& file)
1014 {
1015     static const wxChar defunkt[] = wxT("$$default");
1016     if (file != wxT(""))
1017     {
1018         int n = GetPrivateProfileString((LPCTSTR)WXSTRINGCAST section, (LPCTSTR)WXSTRINGCAST entry, (LPCTSTR)defunkt,
1019                 (LPTSTR)wxBuffer, 1000, (LPCTSTR)WXSTRINGCAST file);
1020         if (n == 0 || wxStrcmp(wxBuffer, defunkt) == 0)
1021             return FALSE;
1022     }
1023     else
1024     {
1025         int n = GetProfileString((LPCTSTR)WXSTRINGCAST section, (LPCTSTR)WXSTRINGCAST entry, (LPCTSTR)defunkt,
1026                 (LPTSTR)wxBuffer, 1000);
1027         if (n == 0 || wxStrcmp(wxBuffer, defunkt) == 0)
1028             return FALSE;
1029     }
1030     if (*value) delete[] (*value);
1031     *value = copystring(wxBuffer);
1032     return TRUE;
1033 }
1034
1035 bool wxGetResource(const wxString& section, const wxString& entry, float *value, const wxString& file)
1036 {
1037     wxChar *s = NULL;
1038     bool succ = wxGetResource(section, entry, (wxChar **)&s, file);
1039     if (succ)
1040     {
1041         *value = (float)wxStrtod(s, NULL);
1042         delete[] s;
1043         return TRUE;
1044     }
1045     else return FALSE;
1046 }
1047
1048 bool wxGetResource(const wxString& section, const wxString& entry, long *value, const wxString& file)
1049 {
1050     wxChar *s = NULL;
1051     bool succ = wxGetResource(section, entry, (wxChar **)&s, file);
1052     if (succ)
1053     {
1054         *value = wxStrtol(s, NULL, 10);
1055         delete[] s;
1056         return TRUE;
1057     }
1058     else return FALSE;
1059 }
1060
1061 bool wxGetResource(const wxString& section, const wxString& entry, int *value, const wxString& file)
1062 {
1063     wxChar *s = NULL;
1064     bool succ = wxGetResource(section, entry, (wxChar **)&s, file);
1065     if (succ)
1066     {
1067         *value = (int)wxStrtol(s, NULL, 10);
1068         delete[] s;
1069         return TRUE;
1070     }
1071     else return FALSE;
1072 }
1073 #endif // wxUSE_RESOURCES
1074
1075 // ---------------------------------------------------------------------------
1076 // helper functions for showing a "busy" cursor
1077 // ---------------------------------------------------------------------------
1078
1079 static HCURSOR gs_wxBusyCursor = 0;     // new, busy cursor
1080 static HCURSOR gs_wxBusyCursorOld = 0;  // old cursor
1081 static int gs_wxBusyCursorCount = 0;
1082
1083 extern HCURSOR wxGetCurrentBusyCursor()
1084 {
1085     return gs_wxBusyCursor;
1086 }
1087
1088 // Set the cursor to the busy cursor for all windows
1089 void wxBeginBusyCursor(wxCursor *cursor)
1090 {
1091     if ( gs_wxBusyCursorCount++ == 0 )
1092     {
1093         gs_wxBusyCursor = (HCURSOR)cursor->GetHCURSOR();
1094         gs_wxBusyCursorOld = ::SetCursor(gs_wxBusyCursor);
1095     }
1096     //else: nothing to do, already set
1097 }
1098
1099 // Restore cursor to normal
1100 void wxEndBusyCursor()
1101 {
1102     wxCHECK_RET( gs_wxBusyCursorCount > 0,
1103                  wxT("no matching wxBeginBusyCursor() for wxEndBusyCursor()") );
1104
1105     if ( --gs_wxBusyCursorCount == 0 )
1106     {
1107         ::SetCursor(gs_wxBusyCursorOld);
1108
1109         gs_wxBusyCursorOld = 0;
1110     }
1111 }
1112
1113 // TRUE if we're between the above two calls
1114 bool wxIsBusy()
1115 {
1116   return (gs_wxBusyCursorCount > 0);
1117 }
1118
1119 // Check whether this window wants to process messages, e.g. Stop button
1120 // in long calculations.
1121 bool wxCheckForInterrupt(wxWindow *wnd)
1122 {
1123     wxCHECK( wnd, FALSE );
1124
1125     MSG msg;
1126     while ( ::PeekMessage(&msg, GetHwndOf(wnd), 0, 0, PM_REMOVE) )
1127     {
1128         ::TranslateMessage(&msg);
1129         ::DispatchMessage(&msg);
1130     }
1131
1132     return TRUE;
1133 }
1134
1135 // MSW only: get user-defined resource from the .res file.
1136 // Returns NULL or newly-allocated memory, so use delete[] to clean up.
1137
1138 wxChar *wxLoadUserResource(const wxString& resourceName, const wxString& resourceType)
1139 {
1140     HRSRC hResource = ::FindResource(wxGetInstance(), resourceName, resourceType);
1141     if ( hResource == 0 )
1142         return NULL;
1143
1144     HGLOBAL hData = ::LoadResource(wxGetInstance(), hResource);
1145     if ( hData == 0 )
1146         return NULL;
1147
1148     wxChar *theText = (wxChar *)::LockResource(hData);
1149     if ( !theText )
1150         return NULL;
1151
1152     // Not all compilers put a zero at the end of the resource (e.g. BC++ doesn't).
1153     // so we need to find the length of the resource.
1154     int len = ::SizeofResource(wxGetInstance(), hResource);
1155     wxChar  *s = new wxChar[len+1];
1156     wxStrncpy(s,theText,len);
1157     s[len]=0;
1158
1159     // wxChar *s = copystring(theText);
1160
1161     // Obsolete in WIN32
1162 #ifndef __WIN32__
1163     UnlockResource(hData);
1164 #endif
1165
1166     // No need??
1167     //  GlobalFree(hData);
1168
1169     return s;
1170 }
1171
1172 // ----------------------------------------------------------------------------
1173 // get display info
1174 // ----------------------------------------------------------------------------
1175
1176 // See also the wxGetMousePosition in window.cpp
1177 // Deprecated: use wxPoint wxGetMousePosition() instead
1178 void wxGetMousePosition( int* x, int* y )
1179 {
1180     POINT pt;
1181     GetCursorPos( & pt );
1182     if ( x ) *x = pt.x;
1183     if ( y ) *y = pt.y;
1184 };
1185
1186 // Return TRUE if we have a colour display
1187 bool wxColourDisplay()
1188 {
1189     // this function is called from wxDC ctor so it is called a *lot* of times
1190     // hence we optimize it a bit but doign the check only once
1191     //
1192     // this should be MT safe as only the GUI thread (holding the GUI mutex)
1193     // can call us
1194     static int s_isColour = -1;
1195
1196     if ( s_isColour == -1 )
1197     {
1198         ScreenHDC dc;
1199         int noCols = ::GetDeviceCaps(dc, NUMCOLORS);
1200
1201         s_isColour = (noCols == -1) || (noCols > 2);
1202     }
1203
1204     return s_isColour != 0;
1205 }
1206
1207 // Returns depth of screen
1208 int wxDisplayDepth()
1209 {
1210     ScreenHDC dc;
1211     return GetDeviceCaps(dc, PLANES) * GetDeviceCaps(dc, BITSPIXEL);
1212 }
1213
1214 // Get size of display
1215 void wxDisplaySize(int *width, int *height)
1216 {
1217     ScreenHDC dc;
1218
1219     if ( width ) *width = GetDeviceCaps(dc, HORZRES);
1220     if ( height ) *height = GetDeviceCaps(dc, VERTRES);
1221 }
1222
1223 void wxDisplaySizeMM(int *width, int *height)
1224 {
1225     ScreenHDC dc;
1226
1227     if ( width ) *width = GetDeviceCaps(dc, HORZSIZE);
1228     if ( height ) *height = GetDeviceCaps(dc, VERTSIZE);
1229 }
1230
1231 void wxClientDisplayRect(int *x, int *y, int *width, int *height)
1232 {
1233 #ifdef __WIN16__
1234     *x = 0; *y = 0;
1235     wxDisplaySize(width, height);
1236 #else
1237     // Determine the desktop dimensions minus the taskbar and any other
1238     // special decorations...
1239     RECT r;
1240
1241     SystemParametersInfo(SPI_GETWORKAREA, 0, &r, 0);
1242     if (x)      *x = r.left;
1243     if (y)      *y = r.top;
1244     if (width)  *width = r.right - r.left;
1245     if (height) *height = r.bottom - r.top;
1246 #endif
1247 }
1248
1249
1250 // ---------------------------------------------------------------------------
1251 // window information functions
1252 // ---------------------------------------------------------------------------
1253
1254 wxString WXDLLEXPORT wxGetWindowText(WXHWND hWnd)
1255 {
1256     wxString str;
1257     int len = GetWindowTextLength((HWND)hWnd) + 1;
1258     GetWindowText((HWND)hWnd, str.GetWriteBuf(len), len);
1259     str.UngetWriteBuf();
1260
1261     return str;
1262 }
1263
1264 wxString WXDLLEXPORT wxGetWindowClass(WXHWND hWnd)
1265 {
1266     wxString str;
1267
1268     int len = 256; // some starting value
1269
1270     for ( ;; )
1271     {
1272         // as we've #undefined GetClassName we must now manually choose the
1273         // right function to call
1274         int count =
1275
1276         #ifndef __WIN32__
1277             GetClassName
1278         #else // Win32
1279             #ifdef UNICODE
1280                 GetClassNameW
1281             #else // !Unicode
1282                 #ifdef __TWIN32__
1283                     GetClassName
1284                 #else // !Twin32
1285                     GetClassNameA
1286                 #endif // Twin32/!Twin32
1287             #endif // Unicode/ANSI
1288         #endif // Win16/32
1289                                     ((HWND)hWnd, str.GetWriteBuf(len), len);
1290
1291         str.UngetWriteBuf();
1292         if ( count == len )
1293         {
1294             // the class name might have been truncated, retry with larger
1295             // buffer
1296             len *= 2;
1297         }
1298         else
1299         {
1300             break;
1301         }
1302     }
1303
1304     return str;
1305 }
1306
1307 WXWORD WXDLLEXPORT wxGetWindowId(WXHWND hWnd)
1308 {
1309 #ifndef __WIN32__
1310     return (WXWORD)GetWindowWord((HWND)hWnd, GWW_ID);
1311 #else // Win32
1312     return (WXWORD)GetWindowLong((HWND)hWnd, GWL_ID);
1313 #endif // Win16/32
1314 }
1315
1316 #endif // wxUSE_GUI
1317
1318 #if wxUSE_GUI
1319
1320 // ----------------------------------------------------------------------------
1321 // Metafile helpers
1322 // ----------------------------------------------------------------------------
1323
1324 extern void PixelToHIMETRIC(LONG *x, LONG *y)
1325 {
1326     ScreenHDC hdcRef;
1327
1328     int iWidthMM = GetDeviceCaps(hdcRef, HORZSIZE),
1329         iHeightMM = GetDeviceCaps(hdcRef, VERTSIZE),
1330         iWidthPels = GetDeviceCaps(hdcRef, HORZRES),
1331         iHeightPels = GetDeviceCaps(hdcRef, VERTRES);
1332
1333     *x *= (iWidthMM * 100);
1334     *x /= iWidthPels;
1335     *y *= (iHeightMM * 100);
1336     *y /= iHeightPels;
1337 }
1338
1339 extern void HIMETRICToPixel(LONG *x, LONG *y)
1340 {
1341     ScreenHDC hdcRef;
1342
1343     int iWidthMM = GetDeviceCaps(hdcRef, HORZSIZE),
1344         iHeightMM = GetDeviceCaps(hdcRef, VERTSIZE),
1345         iWidthPels = GetDeviceCaps(hdcRef, HORZRES),
1346         iHeightPels = GetDeviceCaps(hdcRef, VERTRES);
1347
1348     *x *= iWidthPels;
1349     *x /= (iWidthMM * 100);
1350     *y *= iHeightPels;
1351     *y /= (iHeightMM * 100);
1352 }
1353
1354 #endif // wxUSE_GUI
1355
1356 #if 0
1357 //------------------------------------------------------------------------
1358 // wild character routines
1359 //------------------------------------------------------------------------
1360
1361 bool wxIsWild( const wxString& pattern )
1362 {
1363   wxString tmp = pattern;
1364   char *pat = WXSTRINGCAST(tmp);
1365     while (*pat) {
1366   switch (*pat++) {
1367   case '?': case '*': case '[': case '{':
1368       return TRUE;
1369   case '\\':
1370       if (!*pat++)
1371     return FALSE;
1372   }
1373     }
1374     return FALSE;
1375 };
1376
1377
1378 bool wxMatchWild( const wxString& pat, const wxString& text, bool dot_special )
1379 {
1380   wxString tmp1 = pat;
1381   char *pattern = WXSTRINGCAST(tmp1);
1382   wxString tmp2 = text;
1383   char *str = WXSTRINGCAST(tmp2);
1384     char c;
1385     char *cp;
1386     bool done = FALSE, ret_code, ok;
1387     // Below is for vi fans
1388     const char OB = '{', CB = '}';
1389
1390     // dot_special means '.' only matches '.'
1391     if (dot_special && *str == '.' && *pattern != *str)
1392   return FALSE;
1393
1394     while ((*pattern != '\0') && (!done)
1395     && (((*str=='\0')&&((*pattern==OB)||(*pattern=='*')))||(*str!='\0'))) {
1396   switch (*pattern) {
1397   case '\\':
1398       pattern++;
1399       if (*pattern != '\0')
1400     pattern++;
1401       break;
1402   case '*':
1403       pattern++;
1404       ret_code = FALSE;
1405       while ((*str!='\0')
1406       && (!(ret_code=wxMatchWild(pattern, str++, FALSE))))
1407     /*loop*/;
1408       if (ret_code) {
1409     while (*str != '\0')
1410         str++;
1411     while (*pattern != '\0')
1412         pattern++;
1413       }
1414       break;
1415   case '[':
1416       pattern++;
1417     repeat:
1418       if ((*pattern == '\0') || (*pattern == ']')) {
1419     done = TRUE;
1420     break;
1421       }
1422       if (*pattern == '\\') {
1423     pattern++;
1424     if (*pattern == '\0') {
1425         done = TRUE;
1426         break;
1427     }
1428       }
1429       if (*(pattern + 1) == '-') {
1430     c = *pattern;
1431     pattern += 2;
1432     if (*pattern == ']') {
1433         done = TRUE;
1434         break;
1435     }
1436     if (*pattern == '\\') {
1437         pattern++;
1438         if (*pattern == '\0') {
1439       done = TRUE;
1440       break;
1441         }
1442     }
1443     if ((*str < c) || (*str > *pattern)) {
1444         pattern++;
1445         goto repeat;
1446     }
1447       } else if (*pattern != *str) {
1448     pattern++;
1449     goto repeat;
1450       }
1451       pattern++;
1452       while ((*pattern != ']') && (*pattern != '\0')) {
1453     if ((*pattern == '\\') && (*(pattern + 1) != '\0'))
1454         pattern++;
1455     pattern++;
1456       }
1457       if (*pattern != '\0') {
1458     pattern++, str++;
1459       }
1460       break;
1461   case '?':
1462       pattern++;
1463       str++;
1464       break;
1465   case OB:
1466       pattern++;
1467       while ((*pattern != CB) && (*pattern != '\0')) {
1468     cp = str;
1469     ok = TRUE;
1470     while (ok && (*cp != '\0') && (*pattern != '\0')
1471     &&  (*pattern != ',') && (*pattern != CB)) {
1472         if (*pattern == '\\')
1473       pattern++;
1474         ok = (*pattern++ == *cp++);
1475     }
1476     if (*pattern == '\0') {
1477         ok = FALSE;
1478         done = TRUE;
1479         break;
1480     } else if (ok) {
1481         str = cp;
1482         while ((*pattern != CB) && (*pattern != '\0')) {
1483       if (*++pattern == '\\') {
1484           if (*++pattern == CB)
1485         pattern++;
1486       }
1487         }
1488     } else {
1489         while (*pattern!=CB && *pattern!=',' && *pattern!='\0') {
1490       if (*++pattern == '\\') {
1491                             if (*++pattern == CB || *pattern == ',')
1492         pattern++;
1493       }
1494         }
1495     }
1496     if (*pattern != '\0')
1497         pattern++;
1498       }
1499       break;
1500   default:
1501       if (*str == *pattern) {
1502     str++, pattern++;
1503       } else {
1504     done = TRUE;
1505       }
1506   }
1507     }
1508     while (*pattern == '*')
1509   pattern++;
1510     return ((*str == '\0') && (*pattern == '\0'));
1511 };
1512
1513 #endif // 0
1514
1515 #if 0
1516
1517 // maximum mumber of lines the output console should have
1518 static const WORD MAX_CONSOLE_LINES = 500;
1519
1520 BOOL WINAPI MyConsoleHandler( DWORD dwCtrlType ) {   //  control signal type
1521   FreeConsole();
1522   return TRUE;
1523 }
1524
1525 void wxRedirectIOToConsole()
1526 {
1527     int                        hConHandle;
1528     long                       lStdHandle;
1529     CONSOLE_SCREEN_BUFFER_INFO coninfo;
1530     FILE                       *fp;
1531
1532     // allocate a console for this app
1533     AllocConsole();
1534
1535     // set the screen buffer to be big enough to let us scroll text
1536     GetConsoleScreenBufferInfo(GetStdHandle(STD_OUTPUT_HANDLE),
1537                                &coninfo);
1538     coninfo.dwSize.Y = MAX_CONSOLE_LINES;
1539     SetConsoleScreenBufferSize(GetStdHandle(STD_OUTPUT_HANDLE),
1540                                coninfo.dwSize);
1541
1542     // redirect unbuffered STDOUT to the console
1543     lStdHandle = (long)GetStdHandle(STD_OUTPUT_HANDLE);
1544     hConHandle = _open_osfhandle(lStdHandle, _O_TEXT);
1545     if(hConHandle <= 0) return;
1546     fp = _fdopen( hConHandle, "w" );
1547     *stdout = *fp;
1548     setvbuf( stdout, NULL, _IONBF, 0 );
1549
1550     // redirect unbuffered STDIN to the console
1551     lStdHandle = (long)GetStdHandle(STD_INPUT_HANDLE);
1552     hConHandle = _open_osfhandle(lStdHandle, _O_TEXT);
1553     if(hConHandle <= 0) return;
1554     fp = _fdopen( hConHandle, "r" );
1555     *stdin = *fp;
1556     setvbuf( stdin, NULL, _IONBF, 0 );
1557
1558     // redirect unbuffered STDERR to the console
1559     lStdHandle = (long)GetStdHandle(STD_ERROR_HANDLE);
1560     hConHandle = _open_osfhandle(lStdHandle, _O_TEXT);
1561     if(hConHandle <= 0) return;
1562     fp = _fdopen( hConHandle, "w" );
1563     *stderr = *fp;
1564     setvbuf( stderr, NULL, _IONBF, 0 );
1565
1566     // make cout, wcout, cin, wcin, wcerr, cerr, wclog and clog
1567     // point to console as well
1568     ios::sync_with_stdio();
1569
1570     SetConsoleCtrlHandler(MyConsoleHandler, TRUE);
1571 }
1572 #else
1573 // Not supported
1574 void wxRedirectIOToConsole()
1575 {
1576 }
1577 #endif
1578
1579