src/common/filefn.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        filefn.cpp
   3 // Purpose:     File- and directory-related functions
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     29/01/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) 1998 Julian Smart
   9 // Licence:     wxWindows license
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // ============================================================================
  13 // declarations
  14 // ============================================================================
  15
  16 // ----------------------------------------------------------------------------
  17 // headers
  18 // ----------------------------------------------------------------------------
  19
  20 #ifdef __GNUG__
  21     #pragma implementation "filefn.h"
  22 #endif
  23
  24 // For compilers that support precompilation, includes "wx.h".
  25 #include "wx/wxprec.h"
  26 #include "wx/defs.h"
  27
  28 #ifdef __BORLANDC__
  29     #pragma hdrstop
  30 #endif
  31
  32 #include "wx/utils.h"
  33 #include "wx/intl.h"
  34 #include "wx/file.h"
  35 #include "wx/filename.h"
  36 #include "wx/dir.h"
  37
  38 // there are just too many of those...
  39 #ifdef __VISUALC__
  40     #pragma warning(disable:4706)   // assignment within conditional expression
  41 #endif // VC++
  42
  43 #include <ctype.h>
  44 #include <stdio.h>
  45 #include <stdlib.h>
  46 #include <string.h>
  47 #if !defined(__WATCOMC__)
  48     #if !(defined(_MSC_VER) && (_MSC_VER > 800))
  49         #include <errno.h>
  50     #endif
  51 #endif
  52
  53 #if defined(__WXMAC__)
  54   #include  "wx/mac/private.h"  // includes mac headers
  55 #endif
  56
  57 #include <time.h>
  58
  59 #ifndef __MWERKS__
  60     #include <sys/types.h>
  61     #include <sys/stat.h>
  62 #else
  63     #include <stat.h>
  64     #include <unistd.h>
  65     #include <unix.h>
  66 #endif
  67
  68 #ifdef __UNIX__
  69     #include <unistd.h>
  70     #include <dirent.h>
  71 #endif
  72
  73 #ifdef __WXPM__
  74     #include <process.h>
  75     #include "wx/os2/private.h"
  76 #endif
  77 #if defined(__WINDOWS__) && !defined(__WXMICROWIN__)
  78 #if !defined( __GNUWIN32__ ) && !defined( __MWERKS__ ) && !defined(__SALFORDC__)
  79     #include <direct.h>
  80     #include <dos.h>
  81     #include <io.h>
  82 #endif // __WINDOWS__
  83 #endif // native Win compiler
  84
  85 #if defined(__DOS__)
  86     #ifdef __WATCOMC__
  87         #include <direct.h>
  88         #include <dos.h>
  89         #include <io.h>
  90     #endif
  91     #ifdef __DJGPP__
  92         #include <unistd.h>
  93     #endif
  94 #endif
  95
  96 #ifdef __BORLANDC__ // Please someone tell me which version of Borland needs
  97                     // this (3.1 I believe) and how to test for it.
  98                     // If this works for Borland 4.0 as well, then no worries.
  99     #include <dir.h>
 100 #endif
 101
 102 #ifdef __SALFORDC__
 103     #include <dir.h>
 104     #include <unix.h>
 105 #endif
 106
 107 #include "wx/setup.h"
 108 #include "wx/log.h"
 109
 110 // No, Cygwin doesn't appear to have fnmatch.h after all.
 111 #if defined(HAVE_FNMATCH_H)
 112     #include "fnmatch.h"
 113 #endif
 114
 115 #ifdef __WINDOWS__
 116     #include <windows.h>
 117     #include "wx/msw/mslu.h"
 118
 119     // sys/cygwin.h is needed for cygwin_conv_to_full_win32_path()
 120     //
 121     // note that it must be included after <windows.h>
 122     #ifdef __GNUWIN32__
 123         #ifdef __CYGWIN__
 124             #include <sys/cygwin.h>
 125         #endif
 126         #include <wchar.h>
 127         #ifndef __TWIN32__
 128             #include <sys/unistd.h>
 129         #endif
 130     #endif // __GNUWIN32__
 131 #endif // __WINDOWS__
 132
 133 // TODO: Borland probably has _wgetcwd as well?
 134 #ifdef _MSC_VER
 135     #define HAVE_WGETCWD
 136 #endif
 137
 138 // ----------------------------------------------------------------------------
 139 // constants
 140 // ----------------------------------------------------------------------------
 141
 142 #ifndef _MAXPATHLEN
 143     #define _MAXPATHLEN 1024
 144 #endif
 145
 146 #ifdef __WXMAC__
 147 #    include "MoreFiles.h"
 148 #    include "MoreFilesExtras.h"
 149 #    include "FullPath.h"
 150 #    include "FSpCompat.h"
 151 #endif
 152
 153 IMPLEMENT_DYNAMIC_CLASS(wxPathList, wxStringList)
 154
 155 // ----------------------------------------------------------------------------
 156 // private globals
 157 // ----------------------------------------------------------------------------
 158
 159 static wxChar wxFileFunctionsBuffer[4*_MAXPATHLEN];
 160
 161 #if defined(__VISAGECPP__) && __IBMCPP__ >= 400
 162 //
 163 // VisualAge C++ V4.0 cannot have any external linkage const decs
 164 // in headers included by more than one primary source
 165 //
 166 const off_t wxInvalidOffset = (off_t)-1;
 167 #endif
 168
 169 // ----------------------------------------------------------------------------
 170 // macros
 171 // ----------------------------------------------------------------------------
 172
 173 // we need to translate Mac filenames before passing them to OS functions
 174 #define OS_FILENAME(s) (s.fn_str())
 175
 176 // ============================================================================
 177 // implementation
 178 // ============================================================================
 179
 180 void wxPathList::Add (const wxString& path)
 181 {
 182     wxStringList::Add (WXSTRINGCAST path);
 183 }
 184
 185 // Add paths e.g. from the PATH environment variable
 186 void wxPathList::AddEnvList (const wxString& envVariable)
 187 {
 188   static const wxChar PATH_TOKS[] =
 189 #ifdef __WINDOWS__
 190         wxT(" ;"); // Don't seperate with colon in DOS (used for drive)
 191 #else
 192         wxT(" :;");
 193 #endif
 194
 195   wxChar *val = wxGetenv (WXSTRINGCAST envVariable);
 196   if (val && *val)
 197     {
 198       wxChar *s = copystring (val);
 199       wxChar *save_ptr, *token = wxStrtok (s, PATH_TOKS, &save_ptr);
 200
 201       if (token)
 202       {
 203           Add (copystring (token));
 204           while (token)
 205           {
 206               if ((token = wxStrtok ((wxChar *) NULL, PATH_TOKS, &save_ptr)) != NULL)
 207                   Add (wxString(token));
 208           }
 209       }
 210
 211       // suppress warning about unused variable save_ptr when wxStrtok() is a
 212       // macro which throws away its third argument
 213       save_ptr = token;
 214
 215       delete [] s;
 216     }
 217 }
 218
 219 // Given a full filename (with path), ensure that that file can
 220 // be accessed again USING FILENAME ONLY by adding the path
 221 // to the list if not already there.
 222 void wxPathList::EnsureFileAccessible (const wxString& path)
 223 {
 224     wxString path_only(wxPathOnly(path));
 225     if ( !path_only.IsEmpty() )
 226     {
 227         if ( !Member(path_only) )
 228             Add(path_only);
 229     }
 230 }
 231
 232 bool wxPathList::Member (const wxString& path)
 233 {
 234   for (wxNode * node = First (); node != NULL; node = node->Next ())
 235   {
 236       wxString path2((wxChar *) node->Data ());
 237       if (
 238 #if defined(__WINDOWS__) || defined(__VMS__) || defined (__WXMAC__)
 239       // Case INDEPENDENT
 240           path.CompareTo (path2, wxString::ignoreCase) == 0
 241 #else
 242       // Case sensitive File System
 243           path.CompareTo (path2) == 0
 244 #endif
 245         )
 246         return TRUE;
 247   }
 248   return FALSE;
 249 }
 250
 251 wxString wxPathList::FindValidPath (const wxString& file)
 252 {
 253   if (wxFileExists (wxExpandPath(wxFileFunctionsBuffer, file)))
 254     return wxString(wxFileFunctionsBuffer);
 255
 256   wxChar buf[_MAXPATHLEN];
 257   wxStrcpy(buf, wxFileFunctionsBuffer);
 258
 259   wxChar *filename = (wxChar*) NULL; /* shut up buggy egcs warning */
 260   filename = IsAbsolutePath (buf) ? wxFileNameFromPath (buf) : (wxChar *)buf;
 261
 262   for (wxNode * node = First (); node; node = node->Next ())
 263     {
 264       wxChar *path = (wxChar *) node->Data ();
 265       wxStrcpy (wxFileFunctionsBuffer, path);
 266       wxChar ch = wxFileFunctionsBuffer[wxStrlen(wxFileFunctionsBuffer)-1];
 267       if (ch != wxT('\\') && ch != wxT('/'))
 268         wxStrcat (wxFileFunctionsBuffer, wxT("/"));
 269       wxStrcat (wxFileFunctionsBuffer, filename);
 270 #ifdef __WINDOWS__
 271       Unix2DosFilename (wxFileFunctionsBuffer);
 272 #endif
 273       if (wxFileExists (wxFileFunctionsBuffer))
 274       {
 275         return wxString(wxFileFunctionsBuffer);        // Found!
 276       }
 277     }                                // for()
 278
 279   return wxString(wxT(""));                    // Not found
 280 }
 281
 282 wxString wxPathList::FindAbsoluteValidPath (const wxString& file)
 283 {
 284     wxString f = FindValidPath(file);
 285     if ( wxIsAbsolutePath(f) )
 286         return f;
 287
 288     wxString buf;
 289     wxGetWorkingDirectory(wxStringBuffer(buf, _MAXPATHLEN), _MAXPATHLEN);
 290
 291     if ( !wxEndsWithPathSeparator(buf) )
 292     {
 293         buf += wxFILE_SEP_PATH;
 294     }
 295     buf += f;
 296
 297     return buf;
 298 }
 299
 300 bool
 301 wxFileExists (const wxString& filename)
 302 {
 303 #if defined(__WIN32__) && !defined(__WXMICROWIN__)
 304     // GetFileAttributes can copy with network paths unlike stat()
 305     DWORD ret = ::GetFileAttributes(filename);
 306
 307     return (ret != (DWORD)-1) && !(ret & FILE_ATTRIBUTE_DIRECTORY);
 308 #else
 309     wxStructStat stbuf;
 310     if ( !filename.empty() && wxStat (OS_FILENAME(filename), &stbuf) == 0 )
 311         return TRUE;
 312
 313     return FALSE;
 314 #endif
 315 }
 316
 317 bool
 318 wxIsAbsolutePath (const wxString& filename)
 319 {
 320     if (filename != wxT(""))
 321     {
 322 #if defined(__WXMAC__) && !defined(__DARWIN__)
 323         // Classic or Carbon CodeWarrior like
 324         // Carbon with Apple DevTools is Unix like
 325
 326         // This seems wrong to me, but there is no fix. since
 327         // "MacOS:MyText.txt" is absolute whereas "MyDir:MyText.txt"
 328         // is not. Or maybe ":MyDir:MyText.txt" has to be used? RR.
 329         if (filename.Find(':') != wxNOT_FOUND && filename[0] != ':')
 330             return TRUE ;
 331 #else
 332         // Unix like or Windows
 333         if (filename[0] == wxT('/'))
 334             return TRUE;
 335 #endif
 336 #ifdef __VMS__
 337         if ((filename[0] == wxT('[') && filename[1] != wxT('.')))
 338             return TRUE;
 339 #endif
 340 #ifdef __WINDOWS__
 341         // MSDOS like
 342         if (filename[0] == wxT('\\') || (wxIsalpha (filename[0]) && filename[1] == wxT(':')))
 343             return TRUE;
 344 #endif
 345     }
 346     return FALSE ;
 347 }
 348
 349 /*
 350  * Strip off any extension (dot something) from end of file,
 351  * IF one exists. Inserts zero into buffer.
 352  *
 353  */
 354
 355 void wxStripExtension(wxChar *buffer)
 356 {
 357   int len = wxStrlen(buffer);
 358   int i = len-1;
 359   while (i > 0)
 360   {
 361     if (buffer[i] == wxT('.'))
 362     {
 363       buffer[i] = 0;
 364       break;
 365     }
 366     i --;
 367   }
 368 }
 369
 370 void wxStripExtension(wxString& buffer)
 371 {
 372   size_t len = buffer.Length();
 373   size_t i = len-1;
 374   while (i > 0)
 375   {
 376     if (buffer.GetChar(i) == wxT('.'))
 377     {
 378       buffer = buffer.Left(i);
 379       break;
 380     }
 381     i --;
 382   }
 383 }
 384
 385 // Destructive removal of /./ and /../ stuff
 386 wxChar *wxRealPath (wxChar *path)
 387 {
 388 #ifdef __WXMSW__
 389   static const wxChar SEP = wxT('\\');
 390   Unix2DosFilename(path);
 391 #else
 392   static const wxChar SEP = wxT('/');
 393 #endif
 394   if (path[0] && path[1]) {
 395     /* MATTHEW: special case "/./x" */
 396     wxChar *p;
 397     if (path[2] == SEP && path[1] == wxT('.'))
 398       p = &path[0];
 399     else
 400       p = &path[2];
 401     for (; *p; p++)
 402       {
 403         if (*p == SEP)
 404           {
 405             if (p[1] == wxT('.') && p[2] == wxT('.') && (p[3] == SEP || p[3] == wxT('\0')))
 406               {
 407                 wxChar *q;
 408                 for (q = p - 1; q >= path && *q != SEP; q--);
 409                 if (q[0] == SEP && (q[1] != wxT('.') || q[2] != wxT('.') || q[3] != SEP)
 410                     && (q - 1 <= path || q[-1] != SEP))
 411                   {
 412                     wxStrcpy (q, p + 3);
 413                     if (path[0] == wxT('\0'))
 414                       {
 415                         path[0] = SEP;
 416                         path[1] = wxT('\0');
 417                       }
 418 #ifdef __WXMSW__
 419                     /* Check that path[2] is NULL! */
 420                     else if (path[1] == wxT(':') && !path[2])
 421                       {
 422                         path[2] = SEP;
 423                         path[3] = wxT('\0');
 424                       }
 425 #endif
 426                     p = q - 1;
 427                   }
 428               }
 429             else if (p[1] == wxT('.') && (p[2] == SEP || p[2] == wxT('\0')))
 430               wxStrcpy (p, p + 2);
 431           }
 432       }
 433   }
 434   return path;
 435 }
 436
 437 // Must be destroyed
 438 wxChar *wxCopyAbsolutePath(const wxString& filename)
 439 {
 440   if (filename == wxT(""))
 441     return (wxChar *) NULL;
 442
 443   if (! IsAbsolutePath(wxExpandPath(wxFileFunctionsBuffer, filename))) {
 444     wxChar  buf[_MAXPATHLEN];
 445     buf[0] = wxT('\0');
 446     wxGetWorkingDirectory(buf, WXSIZEOF(buf));
 447     wxChar ch = buf[wxStrlen(buf) - 1];
 448 #ifdef __WXMSW__
 449     if (ch != wxT('\\') && ch != wxT('/'))
 450         wxStrcat(buf, wxT("\\"));
 451 #else
 452     if (ch != wxT('/'))
 453         wxStrcat(buf, wxT("/"));
 454 #endif
 455     wxStrcat(buf, wxFileFunctionsBuffer);
 456     return copystring( wxRealPath(buf) );
 457   }
 458   return copystring( wxFileFunctionsBuffer );
 459 }
 460
 461 /*-
 462  Handles:
 463    ~/ => home dir
 464    ~user/ => user's home dir
 465    If the environment variable a = "foo" and b = "bar" then:
 466    Unix:
 467         $a        =>        foo
 468         $a$b        =>        foobar
 469         $a.c        =>        foo.c
 470         xxx$a        =>        xxxfoo
 471         ${a}!        =>        foo!
 472         $(b)!        =>        bar!
 473         \$a        =>        \$a
 474    MSDOS:
 475         $a        ==>        $a
 476         $(a)        ==>        foo
 477         $(a)$b        ==>        foo$b
 478         $(a)$(b)==>        foobar
 479         test.$$        ==>        test.$$
 480  */
 481
 482 /* input name in name, pathname output to buf. */
 483
 484 wxChar *wxExpandPath(wxChar *buf, const wxChar *name)
 485 {
 486     register wxChar *d, *s, *nm;
 487     wxChar          lnm[_MAXPATHLEN];
 488     int             q;
 489
 490     // Some compilers don't like this line.
 491 //    const wxChar    trimchars[] = wxT("\n \t");
 492
 493     wxChar      trimchars[4];
 494     trimchars[0] = wxT('\n');
 495     trimchars[1] = wxT(' ');
 496     trimchars[2] = wxT('\t');
 497     trimchars[3] = 0;
 498
 499 #ifdef __WXMSW__
 500      const wxChar     SEP = wxT('\\');
 501 #else
 502      const wxChar     SEP = wxT('/');
 503 #endif
 504     buf[0] = wxT('\0');
 505     if (name == NULL || *name == wxT('\0'))
 506         return buf;
 507     nm = copystring(name); // Make a scratch copy
 508     wxChar *nm_tmp = nm;
 509
 510     /* Skip leading whitespace and cr */
 511     while (wxStrchr((wxChar *)trimchars, *nm) != NULL)
 512         nm++;
 513     /* And strip off trailing whitespace and cr */
 514     s = nm + (q = wxStrlen(nm)) - 1;
 515     while (q-- && wxStrchr((wxChar *)trimchars, *s) != NULL)
 516         *s = wxT('\0');
 517
 518     s = nm;
 519     d = lnm;
 520 #ifdef __WXMSW__
 521     q = FALSE;
 522 #else
 523     q = nm[0] == wxT('\\') && nm[1] == wxT('~');
 524 #endif
 525
 526     /* Expand inline environment variables */
 527 #ifdef __VISAGECPP__
 528     while (*d)
 529     {
 530       *d++ = *s;
 531       if(*s == wxT('\\'))
 532       {
 533         *(d - 1) = *++s;
 534         if (*d)
 535         {
 536           s++;
 537           continue;
 538         }
 539         else
 540            break;
 541       }
 542       else
 543 #else
 544     while ((*d++ = *s) != 0) {
 545 #  ifndef __WXMSW__
 546         if (*s == wxT('\\')) {
 547             if ((*(d - 1) = *++s)) {
 548                 s++;
 549                 continue;
 550             } else
 551                 break;
 552         } else
 553 #  endif
 554 #endif
 555 #ifdef __WXMSW__
 556         if (*s++ == wxT('$') && (*s == wxT('{') || *s == wxT(')')))
 557 #else
 558         if (*s++ == wxT('$'))
 559 #endif
 560         {
 561             register wxChar  *start = d;
 562             register int     braces = (*s == wxT('{') || *s == wxT('('));
 563             register wxChar  *value;
 564             while ((*d++ = *s) != 0)
 565                 if (braces ? (*s == wxT('}') || *s == wxT(')')) : !(wxIsalnum(*s) || *s == wxT('_')) )
 566                     break;
 567                 else
 568                     s++;
 569             *--d = 0;
 570             value = wxGetenv(braces ? start + 1 : start);
 571             if (value) {
 572                 for ((d = start - 1); (*d++ = *value++) != 0;);
 573                 d--;
 574                 if (braces && *s)
 575                     s++;
 576             }
 577         }
 578     }
 579
 580     /* Expand ~ and ~user */
 581     nm = lnm;
 582     if (nm[0] == wxT('~') && !q)
 583     {
 584         /* prefix ~ */
 585         if (nm[1] == SEP || nm[1] == 0)
 586         {        /* ~/filename */
 587         // FIXME: wxGetUserHome could return temporary storage in Unicode mode
 588             if ((s = WXSTRINGCAST wxGetUserHome(wxT(""))) != NULL) {
 589                 if (*++nm)
 590                     nm++;
 591             }
 592         } else
 593         {                /* ~user/filename */
 594             register wxChar  *nnm;
 595             register wxChar  *home;
 596             for (s = nm; *s && *s != SEP; s++);
 597             int was_sep; /* MATTHEW: Was there a separator, or NULL? */
 598             was_sep = (*s == SEP);
 599             nnm = *s ? s + 1 : s;
 600             *s = 0;
 601         // FIXME: wxGetUserHome could return temporary storage in Unicode mode
 602             if ((home = WXSTRINGCAST wxGetUserHome(wxString(nm + 1))) == NULL) {
 603                if (was_sep) /* replace only if it was there: */
 604                    *s = SEP;
 605                 s = NULL;
 606             } else {
 607                 nm = nnm;
 608                 s = home;
 609             }
 610         }
 611     }
 612
 613     d = buf;
 614     if (s && *s) { /* MATTHEW: s could be NULL if user '~' didn't exist */
 615         /* Copy home dir */
 616         while (wxT('\0') != (*d++ = *s++))
 617           /* loop */;
 618         // Handle root home
 619         if (d - 1 > buf && *(d - 2) != SEP)
 620           *(d - 1) = SEP;
 621     }
 622     s = nm;
 623     while ((*d++ = *s++) != 0);
 624     delete[] nm_tmp; // clean up alloc
 625     /* Now clean up the buffer */
 626     return wxRealPath(buf);
 627 }
 628
 629 /* Contract Paths to be build upon an environment variable
 630    component:
 631
 632    example: "/usr/openwin/lib", OPENWINHOME --> ${OPENWINHOME}/lib
 633
 634    The call wxExpandPath can convert these back!
 635  */
 636 wxChar *
 637 wxContractPath (const wxString& filename, const wxString& envname, const wxString& user)
 638 {
 639   static wxChar dest[_MAXPATHLEN];
 640
 641   if (filename == wxT(""))
 642     return (wxChar *) NULL;
 643
 644   wxStrcpy (dest, WXSTRINGCAST filename);
 645 #ifdef __WXMSW__
 646   Unix2DosFilename(dest);
 647 #endif
 648
 649   // Handle environment
 650   const wxChar *val = (const wxChar *) NULL;
 651   wxChar *tcp = (wxChar *) NULL;
 652   if (envname != WXSTRINGCAST NULL && (val = wxGetenv (WXSTRINGCAST envname)) != NULL &&
 653      (tcp = wxStrstr (dest, val)) != NULL)
 654     {
 655         wxStrcpy (wxFileFunctionsBuffer, tcp + wxStrlen (val));
 656         *tcp++ = wxT('$');
 657         *tcp++ = wxT('{');
 658         wxStrcpy (tcp, WXSTRINGCAST envname);
 659         wxStrcat (tcp, wxT("}"));
 660         wxStrcat (tcp, wxFileFunctionsBuffer);
 661     }
 662
 663   // Handle User's home (ignore root homes!)
 664   size_t len = 0;
 665   if ((val = wxGetUserHome (user)) != NULL &&
 666       (len = wxStrlen(val)) > 2 &&
 667       wxStrncmp(dest, val, len) == 0)
 668     {
 669       wxStrcpy(wxFileFunctionsBuffer, wxT("~"));
 670       if (user != wxT(""))
 671              wxStrcat(wxFileFunctionsBuffer, (const wxChar*) user);
 672 #ifdef __WXMSW__
 673 //      strcat(wxFileFunctionsBuffer, "\\");
 674 #else
 675 //      strcat(wxFileFunctionsBuffer, "/");
 676 #endif
 677       wxStrcat(wxFileFunctionsBuffer, dest + len);
 678       wxStrcpy (dest, wxFileFunctionsBuffer);
 679     }
 680
 681   return dest;
 682 }
 683
 684 // Return just the filename, not the path
 685 // (basename)
 686 wxChar *wxFileNameFromPath (wxChar *path)
 687 {
 688     if (path)
 689     {
 690         register wxChar *tcp;
 691
 692         tcp = path + wxStrlen (path);
 693         while (--tcp >= path)
 694         {
 695 #if defined(__WXMAC__) && !defined(__DARWIN__)
 696             // Classic or Carbon CodeWarrior like
 697             // Carbon with Apple DevTools is Unix like
 698             if (*tcp == wxT(':'))
 699                 return tcp + 1;
 700 #else
 701             // Unix like or Windows
 702             if (*tcp == wxT('/') || *tcp == wxT('\\'))
 703                 return tcp + 1;
 704 #endif
 705 #ifdef __VMS__
 706             if (*tcp == wxT(':') || *tcp == wxT(']'))
 707                 return tcp + 1;
 708 #endif
 709         } /* while */
 710 #if defined(__WXMSW__) || defined(__WXPM__)
 711         // MSDOS like
 712         if (wxIsalpha (*path) && *(path + 1) == wxT(':'))
 713             return path + 2;
 714 #endif
 715     }
 716     return path;
 717 }
 718
 719 wxString wxFileNameFromPath (const wxString& path1)
 720 {
 721     if (path1 != wxT(""))
 722     {
 723         wxChar *path = WXSTRINGCAST path1 ;
 724         register wxChar *tcp;
 725
 726         tcp = path + wxStrlen (path);
 727         while (--tcp >= path)
 728         {
 729 #if defined(__WXMAC__) && !defined(__DARWIN__)
 730             // Classic or Carbon CodeWarrior like
 731             // Carbon with Apple DevTools is Unix like
 732             if (*tcp == wxT(':') )
 733                 return wxString(tcp + 1);
 734 #else
 735             // Unix like or Windows
 736             if (*tcp == wxT('/') || *tcp == wxT('\\'))
 737                 return wxString(tcp + 1);
 738 #endif
 739 #ifdef __VMS__
 740             if (*tcp == wxT(':') || *tcp == wxT(']'))
 741                 return wxString(tcp + 1);
 742 #endif
 743         } /* while */
 744 #if defined(__WXMSW__) || defined(__WXPM__)
 745         // MSDOS like
 746         if (wxIsalpha (*path) && *(path + 1) == wxT(':'))
 747             return wxString(path + 2);
 748 #endif
 749     }
 750     // Yes, this should return the path, not an empty string, otherwise
 751     // we get "thing.txt" -> "".
 752     return path1;
 753 }
 754
 755 // Return just the directory, or NULL if no directory
 756 wxChar *
 757 wxPathOnly (wxChar *path)
 758 {
 759     if (path && *path)
 760     {
 761         static wxChar buf[_MAXPATHLEN];
 762
 763         // Local copy
 764         wxStrcpy (buf, path);
 765
 766         int l = wxStrlen(path);
 767         int i = l - 1;
 768
 769         // Search backward for a backward or forward slash
 770         while (i > -1)
 771         {
 772 #if defined(__WXMAC__) && !defined(__DARWIN__)
 773             // Classic or Carbon CodeWarrior like
 774             // Carbon with Apple DevTools is Unix like
 775             if (path[i] == wxT(':') )
 776             {
 777                 buf[i] = 0;
 778                 return buf;
 779             }
 780 #else
 781             // Unix like or Windows
 782             if (path[i] == wxT('/') || path[i] == wxT('\\'))
 783             {
 784                 buf[i] = 0;
 785                 return buf;
 786             }
 787 #endif
 788 #ifdef __VMS__
 789             if (path[i] == wxT(']'))
 790             {
 791                 buf[i+1] = 0;
 792                 return buf;
 793             }
 794 #endif
 795             i --;
 796         }
 797
 798 #if defined(__WXMSW__) || defined(__WXPM__)
 799         // Try Drive specifier
 800         if (wxIsalpha (buf[0]) && buf[1] == wxT(':'))
 801         {
 802             // A:junk --> A:. (since A:.\junk Not A:\junk)
 803             buf[2] = wxT('.');
 804             buf[3] = wxT('\0');
 805             return buf;
 806         }
 807 #endif
 808     }
 809     return (wxChar *) NULL;
 810 }
 811
 812 // Return just the directory, or NULL if no directory
 813 wxString wxPathOnly (const wxString& path)
 814 {
 815     if (path != wxT(""))
 816     {
 817         wxChar buf[_MAXPATHLEN];
 818
 819         // Local copy
 820         wxStrcpy (buf, WXSTRINGCAST path);
 821
 822         int l = path.Length();
 823         int i = l - 1;
 824
 825         // Search backward for a backward or forward slash
 826         while (i > -1)
 827         {
 828 #if defined(__WXMAC__) && !defined(__DARWIN__)
 829             // Classic or Carbon CodeWarrior like
 830             // Carbon with Apple DevTools is Unix like
 831             if (path[i] == wxT(':') )
 832             {
 833                 buf[i] = 0;
 834                 return wxString(buf);
 835             }
 836 #else
 837             // Unix like or Windows
 838             if (path[i] == wxT('/') || path[i] == wxT('\\'))
 839             {
 840                 buf[i] = 0;
 841                 return wxString(buf);
 842             }
 843 #endif
 844 #ifdef __VMS__
 845             if (path[i] == wxT(']'))
 846             {
 847                 buf[i+1] = 0;
 848                 return wxString(buf);
 849             }
 850 #endif
 851             i --;
 852         }
 853
 854 #if defined(__WXMSW__) || defined(__WXPM__)
 855         // Try Drive specifier
 856         if (wxIsalpha (buf[0]) && buf[1] == wxT(':'))
 857         {
 858             // A:junk --> A:. (since A:.\junk Not A:\junk)
 859             buf[2] = wxT('.');
 860             buf[3] = wxT('\0');
 861             return wxString(buf);
 862         }
 863 #endif
 864     }
 865     return wxString(wxT(""));
 866 }
 867
 868 // Utility for converting delimiters in DOS filenames to UNIX style
 869 // and back again - or we get nasty problems with delimiters.
 870 // Also, convert to lower case, since case is significant in UNIX.
 871
 872 #if defined(__WXMAC__)
 873 wxString wxMacFSSpec2MacFilename( const FSSpec *spec )
 874 {
 875 #ifdef __DARWIN__
 876     FSRef theRef;
 877     char  thePath[FILENAME_MAX];
 878
 879     // convert the FSSpec to an FSRef
 880     (void) FSpMakeFSRef( spec, &theRef );
 881     // get the POSIX path associated with the FSRef
 882     (void) FSRefMakePath( &theRef, (UInt8 *)thePath, sizeof(thePath) );
 883
 884     // create path string for return value
 885     wxString result( thePath ) ;
 886 #else
 887     Handle    myPath ;
 888     short     length ;
 889
 890     // get length of path and allocate handle
 891     FSpGetFullPath( spec , &length , &myPath ) ;
 892     ::SetHandleSize( myPath , length + 1 ) ;
 893     ::HLock( myPath ) ;
 894     (*myPath)[length] = 0 ;
 895     if ((length > 0) && ((*myPath)[length-1] == ':'))
 896         (*myPath)[length-1] = 0 ;
 897
 898     // create path string for return value
 899     wxString result( (char*) *myPath ) ;
 900
 901     // free allocated handle
 902     ::HUnlock( myPath ) ;
 903     ::DisposeHandle( myPath ) ;
 904 #endif
 905
 906     return result ;
 907 }
 908
 909 void wxMacFilename2FSSpec( const char *path , FSSpec *spec )
 910 {
 911 #ifdef __DARWIN__
 912     FSRef theRef;
 913
 914     // get the FSRef associated with the POSIX path
 915     (void) FSPathMakeRef((const UInt8 *) path, &theRef, NULL);
 916     // convert the FSRef to an FSSpec
 917     (void) FSGetCatalogInfo(&theRef, kFSCatInfoNone, NULL, NULL, spec, NULL);
 918 #else
 919     FSpLocationFromFullPath( strlen(path) , path , spec ) ;
 920 #endif
 921 }
 922
 923 #ifndef __DARWIN__
 924 // Mac file names are POSIX (Unix style) under Darwin
 925 // therefore the conversion functions below are not needed
 926
 927 static char sMacFileNameConversion[ 1000 ] ;
 928
 929 wxString wxMac2UnixFilename (const char *str)
 930 {
 931     char *s = sMacFileNameConversion ;
 932     strcpy( s , str ) ;
 933     if (s)
 934     {
 935         memmove( s+1 , s ,strlen( s ) + 1) ;
 936         if ( *s == ':' )
 937             *s = '.' ;
 938         else
 939             *s = '/' ;
 940
 941         while (*s)
 942         {
 943             if (*s == ':')
 944                 *s = '/';
 945             else
 946                 *s = wxTolower(*s);        // Case INDEPENDENT
 947             s++;
 948         }
 949     }
 950     return wxString(sMacFileNameConversion) ;
 951 }
 952
 953 wxString wxUnix2MacFilename (const char *str)
 954 {
 955     char *s = sMacFileNameConversion ;
 956     strcpy( s , str ) ;
 957     if (s)
 958     {
 959         if ( *s == '.' )
 960         {
 961             // relative path , since it goes on with slash which is translated to a :
 962             memmove( s , s+1 ,strlen( s ) ) ;
 963         }
 964         else if ( *s == '/' )
 965         {
 966             // absolute path -> on mac just start with the drive name
 967             memmove( s , s+1 ,strlen( s ) ) ;
 968         }
 969         else
 970         {
 971             wxASSERT_MSG( 1 , "unkown path beginning" ) ;
 972         }
 973         while (*s)
 974         {
 975             if (*s == '/' || *s == '\\')
 976             {
 977                 // convert any back-directory situations
 978                 if ( *(s+1) == '.' && *(s+2) == '.' && ( (*(s+3) == '/' || *(s+3) == '\\') ) )
 979                 {
 980                     *s = ':';
 981                     memmove( s+1 , s+3 ,strlen( s+3 ) + 1 ) ;
 982                 }
 983                 else
 984                     *s = ':';
 985             }
 986             s++ ;
 987         }
 988     }
 989     return wxString (sMacFileNameConversion) ;
 990 }
 991
 992 wxString wxMacFSSpec2UnixFilename( const FSSpec *spec )
 993 {
 994     return wxMac2UnixFilename( wxMacFSSpec2MacFilename( spec) ) ;
 995 }
 996
 997 void wxUnixFilename2FSSpec( const char *path , FSSpec *spec )
 998 {
 999     wxString var = wxUnix2MacFilename( path ) ;
1000     wxMacFilename2FSSpec( var , spec ) ;
1001 }
1002 #endif // ! __DARWIN__
1003
1004 #endif // __WXMAC__
1005
1006 void
1007 wxDos2UnixFilename (char *s)
1008 {
1009   if (s)
1010     while (*s)
1011       {
1012         if (*s == '\\')
1013           *s = '/';
1014 #ifdef __WXMSW__
1015         else
1016           *s = wxTolower (*s);        // Case INDEPENDENT
1017 #endif
1018         s++;
1019       }
1020 }
1021
1022 void
1023 #if defined(__WXMSW__) || defined(__WXPM__)
1024 wxUnix2DosFilename (wxChar *s)
1025 #else
1026 wxUnix2DosFilename (wxChar *WXUNUSED(s) )
1027 #endif
1028 {
1029 // Yes, I really mean this to happen under DOS only! JACS
1030 #if defined(__WXMSW__) || defined(__WXPM__)
1031   if (s)
1032     while (*s)
1033       {
1034         if (*s == wxT('/'))
1035           *s = wxT('\\');
1036         s++;
1037       }
1038 #endif
1039 }
1040
1041 // Concatenate two files to form third
1042 bool
1043 wxConcatFiles (const wxString& file1, const wxString& file2, const wxString& file3)
1044 {
1045   wxString outfile;
1046   if ( !wxGetTempFileName("cat", outfile) )
1047       return FALSE;
1048
1049   FILE *fp1 = (FILE *) NULL;
1050   FILE *fp2 = (FILE *) NULL;
1051   FILE *fp3 = (FILE *) NULL;
1052   // Open the inputs and outputs
1053   if ((fp1 = wxFopen (OS_FILENAME( file1 ), wxT("rb"))) == NULL ||
1054       (fp2 = wxFopen (OS_FILENAME( file2 ), wxT("rb"))) == NULL ||
1055       (fp3 = wxFopen (OS_FILENAME( outfile ), wxT("wb"))) == NULL)
1056     {
1057       if (fp1)
1058         fclose (fp1);
1059       if (fp2)
1060         fclose (fp2);
1061       if (fp3)
1062         fclose (fp3);
1063       return FALSE;
1064     }
1065
1066   int ch;
1067   while ((ch = getc (fp1)) != EOF)
1068     (void) putc (ch, fp3);
1069   fclose (fp1);
1070
1071   while ((ch = getc (fp2)) != EOF)
1072     (void) putc (ch, fp3);
1073   fclose (fp2);
1074
1075   fclose (fp3);
1076   bool result = wxRenameFile(outfile, file3);
1077   return result;
1078 }
1079
1080 // Copy files
1081 bool
1082 wxCopyFile (const wxString& file1, const wxString& file2, bool overwrite)
1083 {
1084 #if defined(__WIN32__) && !defined(__WXMICROWIN__)
1085     // CopyFile() copies file attributes and modification time too, so use it
1086     // instead of our code if available
1087     //
1088     // NB: 3rd parameter is bFailIfExists i.e. the inverse of overwrite
1089     return ::CopyFile(file1, file2, !overwrite) != 0;
1090 #elif defined(__WXPM__)
1091     if (::DosCopy(file2, file2, overwrite ? DCPY_EXISTING : 0) == 0)
1092         return TRUE;
1093     else
1094         return FALSE;
1095 #else // !Win32
1096     wxStructStat fbuf;
1097
1098     // get permissions of file1
1099     if ( wxStat(OS_FILENAME(file1), &fbuf) != 0 )
1100     {
1101         // the file probably doesn't exist or we haven't the rights to read
1102         // from it anyhow
1103         wxLogSysError(_("Impossible to get permissions for file '%s'"),
1104                       file1.c_str());
1105         return FALSE;
1106     }
1107
1108     // open file1 for reading
1109     wxFile fileIn(file1, wxFile::read);
1110     if ( !fileIn.IsOpened() )
1111         return FALSE;
1112
1113     // remove file2, if it exists. This is needed for creating
1114     // file2 with the correct permissions in the next step
1115     if ( wxFileExists(file2)  && (!overwrite || !wxRemoveFile(file2)))
1116     {
1117         wxLogSysError(_("Impossible to overwrite the file '%s'"),
1118                       file2.c_str());
1119         return FALSE;
1120     }
1121
1122 #ifdef __UNIX__
1123     // reset the umask as we want to create the file with exactly the same
1124     // permissions as the original one
1125     mode_t oldUmask = umask( 0 );
1126 #endif // __UNIX__
1127
1128     // create file2 with the same permissions than file1 and open it for
1129     // writing
1130     wxFile fileOut;
1131     if ( !fileOut.Create(file2, overwrite, fbuf.st_mode & 0777) )
1132         return FALSE;
1133
1134 #ifdef __UNIX__
1135     /// restore the old umask
1136     umask(oldUmask);
1137 #endif // __UNIX__
1138
1139     // copy contents of file1 to file2
1140     char buf[4096];
1141     size_t count;
1142     for ( ;; )
1143     {
1144         count = fileIn.Read(buf, WXSIZEOF(buf));
1145         if ( fileIn.Error() )
1146             return FALSE;
1147
1148         // end of file?
1149         if ( !count )
1150             break;
1151
1152         if ( fileOut.Write(buf, count) < count )
1153             return FALSE;
1154     }
1155
1156     // we can expect fileIn to be closed successfully, but we should ensure
1157     // that fileOut was closed as some write errors (disk full) might not be
1158     // detected before doing this
1159     if ( !fileIn.Close() || !fileOut.Close() )
1160         return FALSE;
1161
1162 #if !defined(__VISAGECPP__) && !defined(__WXMAC__) || defined(__UNIX__)
1163     // no chmod in VA.  Should be some permission API for HPFS386 partitions
1164     // however
1165     if ( chmod(OS_FILENAME(file2), fbuf.st_mode) != 0 )
1166     {
1167         wxLogSysError(_("Impossible to set permissions for the file '%s'"),
1168                       file2.c_str());
1169         return FALSE;
1170     }
1171 #endif // OS/2 || Mac
1172
1173     return TRUE;
1174 #endif // __WXMSW__ && __WIN32__
1175 }
1176
1177 bool
1178 wxRenameFile (const wxString& file1, const wxString& file2)
1179 {
1180   // Normal system call
1181   if ( wxRename (file1, file2) == 0 )
1182     return TRUE;
1183
1184   // Try to copy
1185   if (wxCopyFile(file1, file2)) {
1186     wxRemoveFile(file1);
1187     return TRUE;
1188   }
1189   // Give up
1190   return FALSE;
1191 }
1192
1193 bool wxRemoveFile(const wxString& file)
1194 {
1195 #if defined(__VISUALC__) \
1196  || defined(__BORLANDC__) \
1197  || defined(__WATCOMC__) \
1198  || defined(__GNUWIN32__)
1199   int res = wxRemove(file);
1200 #else
1201   int res = unlink(OS_FILENAME(file));
1202 #endif
1203
1204   return res == 0;
1205 }
1206
1207 bool wxMkdir(const wxString& dir, int perm)
1208 {
1209 #if defined(__WXMAC__) && !defined(__UNIX__)
1210   return (mkdir( dir , 0 ) == 0);
1211 #else // !Mac
1212     const wxChar *dirname = dir.c_str();
1213
1214     // assume mkdir() has 2 args on non Windows-OS/2 platforms and on Windows too
1215     // for the GNU compiler
1216 #if (!(defined(__WXMSW__) || defined(__WXPM__) || defined(__DOS__))) || (defined(__GNUWIN32__) && !defined(__MINGW32__)) || defined(__WXWINE__) || defined(__WXMICROWIN__)
1217     if ( mkdir(wxFNCONV(dirname), perm) != 0 )
1218 #elif defined(__WXPM__)
1219     if (::DosCreateDir((PSZ)dirname, NULL) != 0) // enhance for EAB's??
1220 #elif defined(__DOS__)
1221   #if defined(__WATCOMC__)
1222     (void)perm;
1223     if ( wxMkDir(wxFNSTRINGCAST wxFNCONV(dirname)) != 0 )
1224   #elif defined(__DJGPP__)
1225     if ( mkdir(wxFNCONV(dirname), perm) != 0 )
1226   #else
1227     #error "Unsupported DOS compiler!"
1228   #endif
1229 #else  // !MSW, !DOS and !OS/2 VAC++
1230     (void)perm;
1231     if ( wxMkDir(wxFNSTRINGCAST wxFNCONV(dirname)) != 0 )
1232 #endif // !MSW/MSW
1233     {
1234         wxLogSysError(_("Directory '%s' couldn't be created"), dirname);
1235
1236         return FALSE;
1237     }
1238
1239     return TRUE;
1240 #endif // Mac/!Mac
1241 }
1242
1243 bool wxRmdir(const wxString& dir, int WXUNUSED(flags))
1244 {
1245 #ifdef __VMS__
1246   return FALSE; //to be changed since rmdir exists in VMS7.x
1247 #elif defined(__WXPM__)
1248   return (::DosDeleteDir((PSZ)dir.c_str()) == 0);
1249 #else
1250
1251 #ifdef __SALFORDC__
1252   return FALSE; // What to do?
1253 #else
1254   return (wxRmDir(OS_FILENAME(dir)) == 0);
1255 #endif
1256
1257 #endif
1258 }
1259
1260 // does the path exists? (may have or not '/' or '\\' at the end)
1261 bool wxPathExists(const wxChar *pszPathName)
1262 {
1263     wxString strPath(pszPathName);
1264
1265 #ifdef __WINDOWS__
1266     // Windows fails to find directory named "c:\dir\" even if "c:\dir" exists,
1267     // so remove all trailing backslashes from the path - but don't do this for
1268     // the pathes "d:\" (which are different from "d:") nor for just "\"
1269     while ( wxEndsWithPathSeparator(strPath) )
1270     {
1271         size_t len = strPath.length();
1272         if ( len == 1 || (len == 3 && strPath[len - 2] == _T(':')) )
1273             break;
1274
1275         strPath.Truncate(len - 1);
1276     }
1277 #endif // __WINDOWS__
1278
1279 #if defined(__WIN32__) && !defined(__WXMICROWIN__)
1280     // stat() can't cope with network paths
1281     DWORD ret = ::GetFileAttributes(strPath);
1282
1283     return (ret != (DWORD)-1) && (ret & FILE_ATTRIBUTE_DIRECTORY);
1284 #else // !__WIN32__
1285
1286     wxStructStat st;
1287 #ifndef __VISAGECPP__
1288     return wxStat(wxFNSTRINGCAST strPath.fn_str(), &st) == 0 &&
1289         ((st.st_mode & S_IFMT) == S_IFDIR);
1290 #else
1291     // S_IFMT not supported in VA compilers.. st_mode is a 2byte value only
1292     return wxStat(wxFNSTRINGCAST strPath.fn_str(), &st) == 0 &&
1293         (st.st_mode == S_IFDIR);
1294 #endif
1295
1296 #endif // __WIN32__/!__WIN32__
1297 }
1298
1299 // Get a temporary filename, opening and closing the file.
1300 wxChar *wxGetTempFileName(const wxString& prefix, wxChar *buf)
1301 {
1302     wxString filename = wxFileName::CreateTempFileName(prefix);
1303     if ( filename.empty() )
1304         return NULL;
1305
1306     if ( buf )
1307         wxStrcpy(buf, filename);
1308     else
1309         buf = copystring(filename);
1310
1311     return buf;
1312 }
1313
1314 bool wxGetTempFileName(const wxString& prefix, wxString& buf)
1315 {
1316     buf = wxFileName::CreateTempFileName(prefix);
1317
1318     return !buf.empty();
1319 }
1320
1321 // Get first file name matching given wild card.
1322
1323 static wxDir *gs_dir = NULL;
1324 static wxString gs_dirPath;
1325
1326 wxString wxFindFirstFile(const wxChar *spec, int flags)
1327 {
1328     gs_dirPath = wxPathOnly(spec);
1329     if ( gs_dirPath.IsEmpty() )
1330         gs_dirPath = wxT(".");
1331     if ( gs_dirPath.Last() != wxFILE_SEP_PATH )
1332         gs_dirPath << wxFILE_SEP_PATH;
1333
1334     if (gs_dir)
1335         delete gs_dir;
1336     gs_dir = new wxDir(gs_dirPath);
1337
1338     if ( !gs_dir->IsOpened() )
1339     {
1340         wxLogSysError(_("Can not enumerate files '%s'"), spec);
1341         return wxEmptyString;
1342     }
1343
1344     int dirFlags = 0;
1345     switch (flags)
1346     {
1347         case wxDIR:  dirFlags = wxDIR_DIRS; break;
1348         case wxFILE: dirFlags = wxDIR_FILES; break;
1349         default:     dirFlags = wxDIR_DIRS | wxDIR_FILES; break;
1350     }
1351
1352     wxString result;
1353     gs_dir->GetFirst(&result, wxFileNameFromPath(spec), dirFlags);
1354     if ( result.IsEmpty() )
1355     {
1356         wxDELETE(gs_dir);
1357         return result;
1358     }
1359
1360     return gs_dirPath + result;
1361 }
1362
1363 wxString wxFindNextFile()
1364 {
1365     wxASSERT_MSG( gs_dir, wxT("You must call wxFindFirstFile before!") );
1366
1367     wxString result;
1368     gs_dir->GetNext(&result);
1369
1370     if ( result.IsEmpty() )
1371     {
1372         wxDELETE(gs_dir);
1373         return result;
1374     }
1375
1376     return gs_dirPath + result;
1377 }
1378
1379
1380 // Get current working directory.
1381 // If buf is NULL, allocates space using new, else
1382 // copies into buf.
1383 wxChar *wxGetWorkingDirectory(wxChar *buf, int sz)
1384 {
1385     if ( !buf )
1386     {
1387         buf = new wxChar[sz + 1];
1388     }
1389
1390     bool ok = FALSE;
1391
1392     // for the compilers which have Unicode version of _getcwd(), call it
1393     // directly, for the others call the ANSI version and do the translation
1394 #if !wxUSE_UNICODE
1395         #define cbuf buf
1396 #else // wxUSE_UNICODE
1397         bool needsANSI = TRUE;
1398
1399         #if !defined(HAVE_WGETCWD) || wxUSE_UNICODE_MSLU
1400         wxCharBuffer c_buffer(sz);
1401                 char *cbuf = (char*)(const char*)c_buffer;
1402         #endif
1403
1404     #ifdef HAVE_WGETCWD
1405                 #if     wxUSE_UNICODE_MSLU
1406                         if ( wxGetOsVersion() != wxWIN95 )
1407                 #endif
1408                         {
1409                                 ok = _wgetcwd(buf, sz) != NULL;
1410                                 needsANSI = FALSE;
1411                         }
1412     #endif
1413
1414         if ( needsANSI )
1415 #endif // wxUSE_UNICODE
1416         {
1417     #ifdef _MSC_VER
1418         ok = _getcwd(cbuf, sz) != NULL;
1419     #elif defined(__WXMAC__) && !defined(__DARWIN__)
1420         FSSpec cwdSpec ;
1421         FCBPBRec pb;
1422         OSErr error;
1423         Str255  fileName ;
1424         pb.ioNamePtr = (StringPtr) &fileName;
1425         pb.ioVRefNum = 0;
1426         pb.ioRefNum = LMGetCurApRefNum();
1427         pb.ioFCBIndx = 0;
1428         error = PBGetFCBInfoSync(&pb);
1429         if ( error == noErr )
1430         {
1431             cwdSpec.vRefNum = pb.ioFCBVRefNum;
1432             cwdSpec.parID = pb.ioFCBParID;
1433             cwdSpec.name[0] = 0 ;
1434             wxString res = wxMacFSSpec2MacFilename( &cwdSpec ) ;
1435
1436             strcpy( cbuf , res ) ;
1437             cbuf[res.length()]=0 ;
1438
1439             ok = TRUE;
1440         }
1441         else
1442         {
1443             ok = FALSE;
1444         }
1445     #elif defined(__VISAGECPP__) || (defined (__OS2__) && defined (__WATCOMC__))
1446         APIRET rc;
1447         rc = ::DosQueryCurrentDir( 0 // current drive
1448                                   ,cbuf
1449                                   ,(PULONG)&sz
1450                                  );
1451         ok = rc != 0;
1452     #else // !Win32/VC++ !Mac !OS2
1453         ok = getcwd(cbuf, sz) != NULL;
1454     #endif // platform
1455         }
1456
1457     if ( !ok )
1458     {
1459         wxLogSysError(_("Failed to get the working directory"));
1460
1461         // VZ: the old code used to return "." on error which didn't make any
1462         //     sense at all to me - empty string is a better error indicator
1463         //     (NULL might be even better but I'm afraid this could lead to
1464         //     problems with the old code assuming the return is never NULL)
1465         buf[0] = _T('\0');
1466     }
1467     else // ok, but we might need to massage the path into the right format
1468     {
1469 #ifdef __DJGPP__
1470         // VS: DJGPP is a strange mix of DOS and UNIX API and returns paths
1471         //     with / deliminers. We don't like that.
1472         for (wxChar *ch = buf; *ch; ch++)
1473         {
1474             if (*ch == wxT('/'))
1475                 *ch = wxT('\\');
1476         }
1477 #endif // __DJGPP__
1478
1479 #ifdef __CYGWIN__
1480         // another example of DOS/Unix mix (Cygwin)
1481         wxString pathUnix = buf;
1482         cygwin_conv_to_full_win32_path(pathUnix, buf);
1483 #endif // __CYGWIN__
1484
1485         // finally convert the result to Unicode if needed
1486 #if wxUSE_UNICODE
1487         wxConvFile.MB2WC(buf, cbuf, sz);
1488 #endif // wxUSE_UNICODE
1489     }
1490
1491     return buf;
1492
1493 #if !wxUSE_UNICODE
1494         #undef cbuf
1495 #endif
1496 }
1497
1498 wxString wxGetCwd()
1499 {
1500     wxString str;
1501
1502     // we can't create wxStringBuffer object inline: Sun CC generates buggy
1503     // code in this case!
1504     {
1505         wxStringBuffer buf(str, _MAXPATHLEN);
1506         wxGetWorkingDirectory(buf, _MAXPATHLEN);
1507     }
1508
1509     return str;
1510 }
1511
1512 bool wxSetWorkingDirectory(const wxString& d)
1513 {
1514 #if defined(__UNIX__) || defined(__WXMAC__) || defined(__DOS__)
1515   return (chdir(wxFNSTRINGCAST d.fn_str()) == 0);
1516 #elif defined(__WXPM__)
1517   return (::DosSetCurrentDir((PSZ)d.c_str()) == 0);
1518 #elif defined(__WINDOWS__)
1519
1520 #ifdef __WIN32__
1521   return (bool)(SetCurrentDirectory(d) != 0);
1522 #else
1523   // Must change drive, too.
1524   bool isDriveSpec = ((strlen(d) > 1) && (d[1] == ':'));
1525   if (isDriveSpec)
1526   {
1527     wxChar firstChar = d[0];
1528
1529     // To upper case
1530     if (firstChar > 90)
1531       firstChar = firstChar - 32;
1532
1533     // To a drive number
1534     unsigned int driveNo = firstChar - 64;
1535     if (driveNo > 0)
1536     {
1537        unsigned int noDrives;
1538        _dos_setdrive(driveNo, &noDrives);
1539     }
1540   }
1541   bool success = (chdir(WXSTRINGCAST d) == 0);
1542
1543   return success;
1544 #endif
1545
1546 #endif
1547 }
1548
1549 // Get the OS directory if appropriate (such as the Windows directory).
1550 // On non-Windows platform, probably just return the empty string.
1551 wxString wxGetOSDirectory()
1552 {
1553 #if defined(__WINDOWS__) && !defined(__WXMICROWIN__)
1554     wxChar buf[256];
1555     GetWindowsDirectory(buf, 256);
1556     return wxString(buf);
1557 #else
1558     return wxEmptyString;
1559 #endif
1560 }
1561
1562 bool wxEndsWithPathSeparator(const wxChar *pszFileName)
1563 {
1564     size_t len = wxStrlen(pszFileName);
1565
1566     return len && wxIsPathSeparator(pszFileName[len - 1]);
1567 }
1568
1569 // find a file in a list of directories, returns false if not found
1570 bool wxFindFileInPath(wxString *pStr, const wxChar *pszPath, const wxChar *pszFile)
1571 {
1572     // we assume that it's not empty
1573     wxCHECK_MSG( !wxIsEmpty(pszFile), FALSE,
1574                  _T("empty file name in wxFindFileInPath"));
1575
1576     // skip path separator in the beginning of the file name if present
1577     if ( wxIsPathSeparator(*pszFile) )
1578         pszFile++;
1579
1580     // copy the path (strtok will modify it)
1581     wxChar *szPath = new wxChar[wxStrlen(pszPath) + 1];
1582     wxStrcpy(szPath, pszPath);
1583
1584     wxString strFile;
1585     wxChar *pc, *save_ptr;
1586     for ( pc = wxStrtok(szPath, wxPATH_SEP, &save_ptr);
1587           pc != NULL;
1588           pc = wxStrtok((wxChar *) NULL, wxPATH_SEP, &save_ptr) )
1589     {
1590         // search for the file in this directory
1591         strFile = pc;
1592         if ( !wxEndsWithPathSeparator(pc) )
1593             strFile += wxFILE_SEP_PATH;
1594         strFile += pszFile;
1595
1596         if ( FileExists(strFile) ) {
1597             *pStr = strFile;
1598             break;
1599         }
1600     }
1601
1602     // suppress warning about unused variable save_ptr when wxStrtok() is a
1603     // macro which throws away its third argument
1604     save_ptr = pc;
1605
1606     delete [] szPath;
1607
1608     return pc != NULL;  // if true => we breaked from the loop
1609 }
1610
1611 void WXDLLEXPORT wxSplitPath(const wxChar *pszFileName,
1612                              wxString *pstrPath,
1613                              wxString *pstrName,
1614                              wxString *pstrExt)
1615 {
1616     // it can be empty, but it shouldn't be NULL
1617     wxCHECK_RET( pszFileName, wxT("NULL file name in wxSplitPath") );
1618
1619     wxFileName::SplitPath(pszFileName, pstrPath, pstrName, pstrExt);
1620 }
1621
1622 time_t WXDLLEXPORT wxFileModificationTime(const wxString& filename)
1623 {
1624     wxStructStat buf;
1625
1626     wxStat(filename.fn_str(), &buf);
1627     return buf.st_mtime;
1628 }
1629
1630
1631 //------------------------------------------------------------------------
1632 // wild character routines
1633 //------------------------------------------------------------------------
1634
1635 bool wxIsWild( const wxString& pattern )
1636 {
1637   wxString tmp = pattern;
1638   wxChar *pat = WXSTRINGCAST(tmp);
1639     while (*pat) {
1640         switch (*pat++) {
1641         case wxT('?'): case wxT('*'): case wxT('['): case wxT('{'):
1642             return TRUE;
1643         case wxT('\\'):
1644             if (!*pat++)
1645                 return FALSE;
1646         }
1647     }
1648     return FALSE;
1649 };
1650
1651 bool wxMatchWild( const wxString& pat, const wxString& text, bool dot_special )
1652
1653 #if defined(HAVE_FNMATCH_H)
1654 {
1655 // this probably won't work well for multibyte chars in Unicode mode?
1656    if(dot_special)
1657       return fnmatch(pat.fn_str(), text.fn_str(), FNM_PERIOD) == 0;
1658    else
1659       return fnmatch(pat.fn_str(), text.fn_str(), 0) == 0;
1660 }
1661 #else
1662
1663 // #pragma error Broken implementation of wxMatchWild() -- needs fixing!
1664
1665    /*
1666     * WARNING: this code is broken!
1667     */
1668 {
1669   wxString tmp1 = pat;
1670   wxChar *pattern = WXSTRINGCAST(tmp1);
1671   wxString tmp2 = text;
1672   wxChar *str = WXSTRINGCAST(tmp2);
1673     wxChar c;
1674     wxChar *cp;
1675     bool done = FALSE, ret_code, ok;
1676     // Below is for vi fans
1677     const wxChar OB = wxT('{'), CB = wxT('}');
1678
1679     // dot_special means '.' only matches '.'
1680     if (dot_special && *str == wxT('.') && *pattern != *str)
1681         return FALSE;
1682
1683     while ((*pattern != wxT('\0')) && (!done)
1684     && (((*str==wxT('\0'))&&((*pattern==OB)||(*pattern==wxT('*'))))||(*str!=wxT('\0')))) {
1685         switch (*pattern) {
1686         case wxT('\\'):
1687             pattern++;
1688             if (*pattern != wxT('\0'))
1689                 pattern++;
1690             break;
1691         case wxT('*'):
1692             pattern++;
1693             ret_code = FALSE;
1694             while ((*str!=wxT('\0'))
1695             && ((ret_code=wxMatchWild(pattern, str++, FALSE)) == 0))
1696                 /*loop*/;
1697             if (ret_code) {
1698                 while (*str != wxT('\0'))
1699                     str++;
1700                 while (*pattern != wxT('\0'))
1701                     pattern++;
1702             }
1703             break;
1704         case wxT('['):
1705             pattern++;
1706           repeat:
1707             if ((*pattern == wxT('\0')) || (*pattern == wxT(']'))) {
1708                 done = TRUE;
1709                 break;
1710             }
1711             if (*pattern == wxT('\\')) {
1712                 pattern++;
1713                 if (*pattern == wxT('\0')) {
1714                     done = TRUE;
1715                     break;
1716                 }
1717             }
1718             if (*(pattern + 1) == wxT('-')) {
1719                 c = *pattern;
1720                 pattern += 2;
1721                 if (*pattern == wxT(']')) {
1722                     done = TRUE;
1723                     break;
1724                 }
1725                 if (*pattern == wxT('\\')) {
1726                     pattern++;
1727                     if (*pattern == wxT('\0')) {
1728                         done = TRUE;
1729                         break;
1730                     }
1731                 }
1732                 if ((*str < c) || (*str > *pattern)) {
1733                     pattern++;
1734                     goto repeat;
1735                 }
1736             } else if (*pattern != *str) {
1737                 pattern++;
1738                 goto repeat;
1739             }
1740             pattern++;
1741             while ((*pattern != wxT(']')) && (*pattern != wxT('\0'))) {
1742                 if ((*pattern == wxT('\\')) && (*(pattern + 1) != wxT('\0')))
1743                     pattern++;
1744                 pattern++;
1745             }
1746             if (*pattern != wxT('\0')) {
1747                 pattern++, str++;
1748             }
1749             break;
1750         case wxT('?'):
1751             pattern++;
1752             str++;
1753             break;
1754         case OB:
1755             pattern++;
1756             while ((*pattern != CB) && (*pattern != wxT('\0'))) {
1757                 cp = str;
1758                 ok = TRUE;
1759                 while (ok && (*cp != wxT('\0')) && (*pattern != wxT('\0'))
1760                 &&  (*pattern != wxT(',')) && (*pattern != CB)) {
1761                     if (*pattern == wxT('\\'))
1762                         pattern++;
1763                     ok = (*pattern++ == *cp++);
1764                 }
1765                 if (*pattern == wxT('\0')) {
1766                     ok = FALSE;
1767                     done = TRUE;
1768                     break;
1769                 } else if (ok) {
1770                     str = cp;
1771                     while ((*pattern != CB) && (*pattern != wxT('\0'))) {
1772                         if (*++pattern == wxT('\\')) {
1773                             if (*++pattern == CB)
1774                                 pattern++;
1775                         }
1776                     }
1777                 } else {
1778                     while (*pattern!=CB && *pattern!=wxT(',') && *pattern!=wxT('\0')) {
1779                         if (*++pattern == wxT('\\')) {
1780                             if (*++pattern == CB || *pattern == wxT(','))
1781                                 pattern++;
1782                         }
1783                     }
1784                 }
1785                 if (*pattern != wxT('\0'))
1786                     pattern++;
1787             }
1788             break;
1789         default:
1790             if (*str == *pattern) {
1791                 str++, pattern++;
1792             } else {
1793                 done = TRUE;
1794             }
1795         }
1796     }
1797     while (*pattern == wxT('*'))
1798         pattern++;
1799     return ((*str == wxT('\0')) && (*pattern == wxT('\0')));
1800 };
1801
1802 #endif
1803
1804 #ifdef __VISUALC__
1805     #pragma warning(default:4706)   // assignment within conditional expression
1806 #endif // VC++