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 __GNUWIN32__
  97     #include <wchar.h>
  98     #ifndef __TWIN32__
  99         #include <sys/unistd.h>
 100     #endif
 101 #endif
 102
 103 #ifdef __BORLANDC__ // Please someone tell me which version of Borland needs
 104                     // this (3.1 I believe) and how to test for it.
 105                     // If this works for Borland 4.0 as well, then no worries.
 106     #include <dir.h>
 107 #endif
 108
 109 #ifdef __SALFORDC__
 110     #include <dir.h>
 111     #include <unix.h>
 112 #endif
 113
 114 #include "wx/setup.h"
 115 #include "wx/log.h"
 116
 117 // No, Cygwin doesn't appear to have fnmatch.h after all.
 118 #if defined(HAVE_FNMATCH_H)
 119     #include "fnmatch.h"
 120 #endif
 121
 122 #ifdef __WINDOWS__
 123     #include <windows.h>
 124 #endif
 125
 126 // ----------------------------------------------------------------------------
 127 // constants
 128 // ----------------------------------------------------------------------------
 129
 130 #define _MAXPATHLEN 500
 131
 132 extern wxChar *wxBuffer;
 133
 134 #ifdef __WXMAC__
 135 #    include "MoreFiles.h"
 136 #    include "MoreFilesExtras.h"
 137 #    include "FullPath.h"
 138 #    include "FSpCompat.h"
 139 #endif
 140
 141 IMPLEMENT_DYNAMIC_CLASS(wxPathList, wxStringList)
 142
 143 // ----------------------------------------------------------------------------
 144 // private globals
 145 // ----------------------------------------------------------------------------
 146
 147 static wxChar wxFileFunctionsBuffer[4*_MAXPATHLEN];
 148
 149 #if defined(__VISAGECPP__) && __IBMCPP__ >= 400
 150 //
 151 // VisualAge C++ V4.0 cannot have any external linkage const decs
 152 // in headers included by more than one primary source
 153 //
 154 const off_t wxInvalidOffset = (off_t)-1;
 155 #endif
 156
 157 // ----------------------------------------------------------------------------
 158 // macros
 159 // ----------------------------------------------------------------------------
 160
 161 // we need to translate Mac filenames before passing them to OS functions
 162 #define OS_FILENAME(s) (s.fn_str())
 163
 164 // ============================================================================
 165 // implementation
 166 // ============================================================================
 167
 168 void wxPathList::Add (const wxString& path)
 169 {
 170     wxStringList::Add (WXSTRINGCAST path);
 171 }
 172
 173 // Add paths e.g. from the PATH environment variable
 174 void wxPathList::AddEnvList (const wxString& envVariable)
 175 {
 176   static const wxChar PATH_TOKS[] =
 177 #ifdef __WINDOWS__
 178         wxT(" ;"); // Don't seperate with colon in DOS (used for drive)
 179 #else
 180         wxT(" :;");
 181 #endif
 182
 183   wxChar *val = wxGetenv (WXSTRINGCAST envVariable);
 184   if (val && *val)
 185     {
 186       wxChar *s = copystring (val);
 187       wxChar *save_ptr, *token = wxStrtok (s, PATH_TOKS, &save_ptr);
 188
 189       if (token)
 190       {
 191           Add (copystring (token));
 192           while (token)
 193           {
 194               if ((token = wxStrtok ((wxChar *) NULL, PATH_TOKS, &save_ptr)) != NULL)
 195                   Add (wxString(token));
 196           }
 197       }
 198
 199       // suppress warning about unused variable save_ptr when wxStrtok() is a
 200       // macro which throws away its third argument
 201       save_ptr = token;
 202
 203       delete [] s;
 204     }
 205 }
 206
 207 // Given a full filename (with path), ensure that that file can
 208 // be accessed again USING FILENAME ONLY by adding the path
 209 // to the list if not already there.
 210 void wxPathList::EnsureFileAccessible (const wxString& path)
 211 {
 212     wxString path_only(wxPathOnly(path));
 213     if ( !path_only.IsEmpty() )
 214     {
 215         if ( !Member(path_only) )
 216             Add(path_only);
 217     }
 218 }
 219
 220 bool wxPathList::Member (const wxString& path)
 221 {
 222   for (wxNode * node = First (); node != NULL; node = node->Next ())
 223   {
 224       wxString path2((wxChar *) node->Data ());
 225       if (
 226 #if defined(__WINDOWS__) || defined(__VMS__) || defined (__WXMAC__)
 227       // Case INDEPENDENT
 228           path.CompareTo (path2, wxString::ignoreCase) == 0
 229 #else
 230       // Case sensitive File System
 231           path.CompareTo (path2) == 0
 232 #endif
 233         )
 234         return TRUE;
 235   }
 236   return FALSE;
 237 }
 238
 239 wxString wxPathList::FindValidPath (const wxString& file)
 240 {
 241   if (wxFileExists (wxExpandPath(wxFileFunctionsBuffer, file)))
 242     return wxString(wxFileFunctionsBuffer);
 243
 244   wxChar buf[_MAXPATHLEN];
 245   wxStrcpy(buf, wxFileFunctionsBuffer);
 246
 247   wxChar *filename = (wxChar*) NULL; /* shut up buggy egcs warning */
 248   filename = IsAbsolutePath (buf) ? wxFileNameFromPath (buf) : (wxChar *)buf;
 249
 250   for (wxNode * node = First (); node; node = node->Next ())
 251     {
 252       wxChar *path = (wxChar *) node->Data ();
 253       wxStrcpy (wxFileFunctionsBuffer, path);
 254       wxChar ch = wxFileFunctionsBuffer[wxStrlen(wxFileFunctionsBuffer)-1];
 255       if (ch != wxT('\\') && ch != wxT('/'))
 256         wxStrcat (wxFileFunctionsBuffer, wxT("/"));
 257       wxStrcat (wxFileFunctionsBuffer, filename);
 258 #ifdef __WINDOWS__
 259       Unix2DosFilename (wxFileFunctionsBuffer);
 260 #endif
 261       if (wxFileExists (wxFileFunctionsBuffer))
 262       {
 263         return wxString(wxFileFunctionsBuffer);        // Found!
 264       }
 265     }                                // for()
 266
 267   return wxString(wxT(""));                    // Not found
 268 }
 269
 270 wxString wxPathList::FindAbsoluteValidPath (const wxString& file)
 271 {
 272     wxString f = FindValidPath(file);
 273     if ( wxIsAbsolutePath(f) )
 274         return f;
 275
 276     wxString buf;
 277     wxGetWorkingDirectory(buf.GetWriteBuf(_MAXPATHLEN), _MAXPATHLEN - 1);
 278     buf.UngetWriteBuf();
 279     if ( !wxEndsWithPathSeparator(buf) )
 280     {
 281         buf += wxFILE_SEP_PATH;
 282     }
 283     buf += f;
 284
 285     return buf;
 286 }
 287
 288 bool
 289 wxFileExists (const wxString& filename)
 290 {
 291 #if defined(__WINDOWS__) && !defined(__WXMICROWIN__)
 292     // GetFileAttributes can copy with network paths
 293     DWORD ret = GetFileAttributes(filename);
 294     DWORD isDir = (ret & FILE_ATTRIBUTE_DIRECTORY);
 295     return ((ret != 0xffffffff) && (isDir == 0));
 296 #else
 297     wxStructStat stbuf;
 298     if ( !filename.empty() && wxStat (OS_FILENAME(filename), &stbuf) == 0 )
 299         return TRUE;
 300
 301     return FALSE;
 302 #endif
 303 }
 304
 305 bool
 306 wxIsAbsolutePath (const wxString& filename)
 307 {
 308     if (filename != wxT(""))
 309     {
 310 #if defined(__WXMAC__) && !defined(__DARWIN__)
 311         // Classic or Carbon CodeWarrior like
 312         // Carbon with Apple DevTools is Unix like
 313
 314         // This seems wrong to me, but there is no fix. since
 315         // "MacOS:MyText.txt" is absolute whereas "MyDir:MyText.txt"
 316         // is not. Or maybe ":MyDir:MyText.txt" has to be used? RR.
 317         if (filename.Find(':') != wxNOT_FOUND && filename[0] != ':')
 318             return TRUE ;
 319 #else
 320         // Unix like or Windows
 321         if (filename[0] == wxT('/'))
 322             return TRUE;
 323 #endif
 324 #ifdef __VMS__
 325         if ((filename[0] == wxT('[') && filename[1] != wxT('.')))
 326             return TRUE;
 327 #endif
 328 #ifdef __WINDOWS__
 329         // MSDOS like
 330         if (filename[0] == wxT('\\') || (wxIsalpha (filename[0]) && filename[1] == wxT(':')))
 331             return TRUE;
 332 #endif
 333     }
 334     return FALSE ;
 335 }
 336
 337 /*
 338  * Strip off any extension (dot something) from end of file,
 339  * IF one exists. Inserts zero into buffer.
 340  *
 341  */
 342
 343 void wxStripExtension(wxChar *buffer)
 344 {
 345   int len = wxStrlen(buffer);
 346   int i = len-1;
 347   while (i > 0)
 348   {
 349     if (buffer[i] == wxT('.'))
 350     {
 351       buffer[i] = 0;
 352       break;
 353     }
 354     i --;
 355   }
 356 }
 357
 358 void wxStripExtension(wxString& buffer)
 359 {
 360   size_t len = buffer.Length();
 361   size_t i = len-1;
 362   while (i > 0)
 363   {
 364     if (buffer.GetChar(i) == wxT('.'))
 365     {
 366       buffer = buffer.Left(i);
 367       break;
 368     }
 369     i --;
 370   }
 371 }
 372
 373 // Destructive removal of /./ and /../ stuff
 374 wxChar *wxRealPath (wxChar *path)
 375 {
 376 #ifdef __WXMSW__
 377   static const wxChar SEP = wxT('\\');
 378   Unix2DosFilename(path);
 379 #else
 380   static const wxChar SEP = wxT('/');
 381 #endif
 382   if (path[0] && path[1]) {
 383     /* MATTHEW: special case "/./x" */
 384     wxChar *p;
 385     if (path[2] == SEP && path[1] == wxT('.'))
 386       p = &path[0];
 387     else
 388       p = &path[2];
 389     for (; *p; p++)
 390       {
 391         if (*p == SEP)
 392           {
 393             if (p[1] == wxT('.') && p[2] == wxT('.') && (p[3] == SEP || p[3] == wxT('\0')))
 394               {
 395                 wxChar *q;
 396                 for (q = p - 1; q >= path && *q != SEP; q--);
 397                 if (q[0] == SEP && (q[1] != wxT('.') || q[2] != wxT('.') || q[3] != SEP)
 398                     && (q - 1 <= path || q[-1] != SEP))
 399                   {
 400                     wxStrcpy (q, p + 3);
 401                     if (path[0] == wxT('\0'))
 402                       {
 403                         path[0] = SEP;
 404                         path[1] = wxT('\0');
 405                       }
 406 #ifdef __WXMSW__
 407                     /* Check that path[2] is NULL! */
 408                     else if (path[1] == wxT(':') && !path[2])
 409                       {
 410                         path[2] = SEP;
 411                         path[3] = wxT('\0');
 412                       }
 413 #endif
 414                     p = q - 1;
 415                   }
 416               }
 417             else if (p[1] == wxT('.') && (p[2] == SEP || p[2] == wxT('\0')))
 418               wxStrcpy (p, p + 2);
 419           }
 420       }
 421   }
 422   return path;
 423 }
 424
 425 // Must be destroyed
 426 wxChar *wxCopyAbsolutePath(const wxString& filename)
 427 {
 428   if (filename == wxT(""))
 429     return (wxChar *) NULL;
 430
 431   if (! IsAbsolutePath(wxExpandPath(wxFileFunctionsBuffer, filename))) {
 432     wxChar  buf[_MAXPATHLEN];
 433     buf[0] = wxT('\0');
 434     wxGetWorkingDirectory(buf, WXSIZEOF(buf));
 435     wxChar ch = buf[wxStrlen(buf) - 1];
 436 #ifdef __WXMSW__
 437     if (ch != wxT('\\') && ch != wxT('/'))
 438         wxStrcat(buf, wxT("\\"));
 439 #else
 440     if (ch != wxT('/'))
 441         wxStrcat(buf, wxT("/"));
 442 #endif
 443     wxStrcat(buf, wxFileFunctionsBuffer);
 444     return copystring( wxRealPath(buf) );
 445   }
 446   return copystring( wxFileFunctionsBuffer );
 447 }
 448
 449 /*-
 450  Handles:
 451    ~/ => home dir
 452    ~user/ => user's home dir
 453    If the environment variable a = "foo" and b = "bar" then:
 454    Unix:
 455         $a        =>        foo
 456         $a$b        =>        foobar
 457         $a.c        =>        foo.c
 458         xxx$a        =>        xxxfoo
 459         ${a}!        =>        foo!
 460         $(b)!        =>        bar!
 461         \$a        =>        \$a
 462    MSDOS:
 463         $a        ==>        $a
 464         $(a)        ==>        foo
 465         $(a)$b        ==>        foo$b
 466         $(a)$(b)==>        foobar
 467         test.$$        ==>        test.$$
 468  */
 469
 470 /* input name in name, pathname output to buf. */
 471
 472 wxChar *wxExpandPath(wxChar *buf, const wxChar *name)
 473 {
 474     register wxChar *d, *s, *nm;
 475     wxChar          lnm[_MAXPATHLEN];
 476     int             q;
 477
 478     // Some compilers don't like this line.
 479 //    const wxChar    trimchars[] = wxT("\n \t");
 480
 481     wxChar      trimchars[4];
 482     trimchars[0] = wxT('\n');
 483     trimchars[1] = wxT(' ');
 484     trimchars[2] = wxT('\t');
 485     trimchars[3] = 0;
 486
 487 #ifdef __WXMSW__
 488      const wxChar     SEP = wxT('\\');
 489 #else
 490      const wxChar     SEP = wxT('/');
 491 #endif
 492     buf[0] = wxT('\0');
 493     if (name == NULL || *name == wxT('\0'))
 494         return buf;
 495     nm = copystring(name); // Make a scratch copy
 496     wxChar *nm_tmp = nm;
 497
 498     /* Skip leading whitespace and cr */
 499     while (wxStrchr((wxChar *)trimchars, *nm) != NULL)
 500         nm++;
 501     /* And strip off trailing whitespace and cr */
 502     s = nm + (q = wxStrlen(nm)) - 1;
 503     while (q-- && wxStrchr((wxChar *)trimchars, *s) != NULL)
 504         *s = wxT('\0');
 505
 506     s = nm;
 507     d = lnm;
 508 #ifdef __WXMSW__
 509     q = FALSE;
 510 #else
 511     q = nm[0] == wxT('\\') && nm[1] == wxT('~');
 512 #endif
 513
 514     /* Expand inline environment variables */
 515 #ifdef __VISAGECPP__
 516     while (*d)
 517     {
 518       *d++ = *s;
 519       if(*s == wxT('\\'))
 520       {
 521         *(d - 1) = *++s;
 522         if (*d)
 523         {
 524           s++;
 525           continue;
 526         }
 527         else
 528            break;
 529       }
 530       else
 531 #else
 532     while ((*d++ = *s) != 0) {
 533 #  ifndef __WXMSW__
 534         if (*s == wxT('\\')) {
 535             if ((*(d - 1) = *++s)) {
 536                 s++;
 537                 continue;
 538             } else
 539                 break;
 540         } else
 541 #  endif
 542 #endif
 543 #ifdef __WXMSW__
 544         if (*s++ == wxT('$') && (*s == wxT('{') || *s == wxT(')')))
 545 #else
 546         if (*s++ == wxT('$'))
 547 #endif
 548         {
 549             register wxChar  *start = d;
 550             register int     braces = (*s == wxT('{') || *s == wxT('('));
 551             register wxChar  *value;
 552             while ((*d++ = *s) != 0)
 553                 if (braces ? (*s == wxT('}') || *s == wxT(')')) : !(wxIsalnum(*s) || *s == wxT('_')) )
 554                     break;
 555                 else
 556                     s++;
 557             *--d = 0;
 558             value = wxGetenv(braces ? start + 1 : start);
 559             if (value) {
 560                 for ((d = start - 1); (*d++ = *value++) != 0;);
 561                 d--;
 562                 if (braces && *s)
 563                     s++;
 564             }
 565         }
 566     }
 567
 568     /* Expand ~ and ~user */
 569     nm = lnm;
 570     s = wxT("");
 571     if (nm[0] == wxT('~') && !q)
 572     {
 573         /* prefix ~ */
 574         if (nm[1] == SEP || nm[1] == 0)
 575         {        /* ~/filename */
 576         // FIXME: wxGetUserHome could return temporary storage in Unicode mode
 577             if ((s = WXSTRINGCAST wxGetUserHome(wxT(""))) != NULL) {
 578                 if (*++nm)
 579                     nm++;
 580             }
 581         } else
 582         {                /* ~user/filename */
 583             register wxChar  *nnm;
 584             register wxChar  *home;
 585             for (s = nm; *s && *s != SEP; s++);
 586             int was_sep; /* MATTHEW: Was there a separator, or NULL? */
 587             was_sep = (*s == SEP);
 588             nnm = *s ? s + 1 : s;
 589             *s = 0;
 590         // FIXME: wxGetUserHome could return temporary storage in Unicode mode
 591             if ((home = WXSTRINGCAST wxGetUserHome(wxString(nm + 1))) == NULL) {
 592                if (was_sep) /* replace only if it was there: */
 593                    *s = SEP;
 594                 s = wxT("");
 595             } else {
 596                 nm = nnm;
 597                 s = home;
 598             }
 599         }
 600     }
 601
 602     d = buf;
 603     if (s && *s) { /* MATTHEW: s could be NULL if user '~' didn't exist */
 604         /* Copy home dir */
 605         while (wxT('\0') != (*d++ = *s++))
 606           /* loop */;
 607         // Handle root home
 608         if (d - 1 > buf && *(d - 2) != SEP)
 609           *(d - 1) = SEP;
 610     }
 611     s = nm;
 612     while ((*d++ = *s++) != 0);
 613     delete[] nm_tmp; // clean up alloc
 614     /* Now clean up the buffer */
 615     return wxRealPath(buf);
 616 }
 617
 618 /* Contract Paths to be build upon an environment variable
 619    component:
 620
 621    example: "/usr/openwin/lib", OPENWINHOME --> ${OPENWINHOME}/lib
 622
 623    The call wxExpandPath can convert these back!
 624  */
 625 wxChar *
 626 wxContractPath (const wxString& filename, const wxString& envname, const wxString& user)
 627 {
 628   static wxChar dest[_MAXPATHLEN];
 629
 630   if (filename == wxT(""))
 631     return (wxChar *) NULL;
 632
 633   wxStrcpy (dest, WXSTRINGCAST filename);
 634 #ifdef __WXMSW__
 635   Unix2DosFilename(dest);
 636 #endif
 637
 638   // Handle environment
 639   const wxChar *val = (const wxChar *) NULL;
 640   wxChar *tcp = (wxChar *) NULL;
 641   if (envname != WXSTRINGCAST NULL && (val = wxGetenv (WXSTRINGCAST envname)) != NULL &&
 642      (tcp = wxStrstr (dest, val)) != NULL)
 643     {
 644         wxStrcpy (wxFileFunctionsBuffer, tcp + wxStrlen (val));
 645         *tcp++ = wxT('$');
 646         *tcp++ = wxT('{');
 647         wxStrcpy (tcp, WXSTRINGCAST envname);
 648         wxStrcat (tcp, wxT("}"));
 649         wxStrcat (tcp, wxFileFunctionsBuffer);
 650     }
 651
 652   // Handle User's home (ignore root homes!)
 653   size_t len = 0;
 654   if ((val = wxGetUserHome (user)) != NULL &&
 655       (len = wxStrlen(val)) > 2 &&
 656       wxStrncmp(dest, val, len) == 0)
 657     {
 658       wxStrcpy(wxFileFunctionsBuffer, wxT("~"));
 659       if (user != wxT(""))
 660              wxStrcat(wxFileFunctionsBuffer, (const wxChar*) user);
 661 #ifdef __WXMSW__
 662 //      strcat(wxFileFunctionsBuffer, "\\");
 663 #else
 664 //      strcat(wxFileFunctionsBuffer, "/");
 665 #endif
 666       wxStrcat(wxFileFunctionsBuffer, dest + len);
 667       wxStrcpy (dest, wxFileFunctionsBuffer);
 668     }
 669
 670   return dest;
 671 }
 672
 673 // Return just the filename, not the path
 674 // (basename)
 675 wxChar *wxFileNameFromPath (wxChar *path)
 676 {
 677     if (path)
 678     {
 679         register wxChar *tcp;
 680
 681         tcp = path + wxStrlen (path);
 682         while (--tcp >= path)
 683         {
 684 #if defined(__WXMAC__) && !defined(__DARWIN__)
 685             // Classic or Carbon CodeWarrior like
 686             // Carbon with Apple DevTools is Unix like
 687             if (*tcp == wxT(':'))
 688                 return tcp + 1;
 689 #else
 690             // Unix like or Windows
 691             if (*tcp == wxT('/') || *tcp == wxT('\\'))
 692                 return tcp + 1;
 693 #endif
 694 #ifdef __VMS__
 695             if (*tcp == wxT(':') || *tcp == wxT(']'))
 696                 return tcp + 1;
 697 #endif
 698         } /* while */
 699 #if defined(__WXMSW__) || defined(__WXPM__)
 700         // MSDOS like
 701         if (wxIsalpha (*path) && *(path + 1) == wxT(':'))
 702             return path + 2;
 703 #endif
 704     }
 705     return path;
 706 }
 707
 708 wxString wxFileNameFromPath (const wxString& path1)
 709 {
 710     if (path1 != wxT(""))
 711     {
 712         wxChar *path = WXSTRINGCAST path1 ;
 713         register wxChar *tcp;
 714
 715         tcp = path + wxStrlen (path);
 716         while (--tcp >= path)
 717         {
 718 #if defined(__WXMAC__) && !defined(__DARWIN__)
 719             // Classic or Carbon CodeWarrior like
 720             // Carbon with Apple DevTools is Unix like
 721             if (*tcp == wxT(':') )
 722                 return wxString(tcp + 1);
 723 #else
 724             // Unix like or Windows
 725             if (*tcp == wxT('/') || *tcp == wxT('\\'))
 726                 return wxString(tcp + 1);
 727 #endif
 728 #ifdef __VMS__
 729             if (*tcp == wxT(':') || *tcp == wxT(']'))
 730                 return wxString(tcp + 1);
 731 #endif
 732         } /* while */
 733 #if defined(__WXMSW__) || defined(__WXPM__)
 734         // MSDOS like
 735         if (wxIsalpha (*path) && *(path + 1) == wxT(':'))
 736             return wxString(path + 2);
 737 #endif
 738     }
 739     // Yes, this should return the path, not an empty string, otherwise
 740     // we get "thing.txt" -> "".
 741     return path1;
 742 }
 743
 744 // Return just the directory, or NULL if no directory
 745 wxChar *
 746 wxPathOnly (wxChar *path)
 747 {
 748     if (path && *path)
 749     {
 750         static wxChar buf[_MAXPATHLEN];
 751
 752         // Local copy
 753         wxStrcpy (buf, path);
 754
 755         int l = wxStrlen(path);
 756         int i = l - 1;
 757
 758         // Search backward for a backward or forward slash
 759         while (i > -1)
 760         {
 761 #if defined(__WXMAC__) && !defined(__DARWIN__)
 762             // Classic or Carbon CodeWarrior like
 763             // Carbon with Apple DevTools is Unix like
 764             if (path[i] == wxT(':') )
 765             {
 766                 buf[i] = 0;
 767                 return buf;
 768             }
 769 #else
 770             // Unix like or Windows
 771             if (path[i] == wxT('/') || path[i] == wxT('\\'))
 772             {
 773                 buf[i] = 0;
 774                 return buf;
 775             }
 776 #endif
 777 #ifdef __VMS__
 778             if (path[i] == wxT(']'))
 779             {
 780                 buf[i+1] = 0;
 781                 return buf;
 782             }
 783 #endif
 784             i --;
 785         }
 786
 787 #if defined(__WXMSW__) || defined(__WXPM__)
 788         // Try Drive specifier
 789         if (wxIsalpha (buf[0]) && buf[1] == wxT(':'))
 790         {
 791             // A:junk --> A:. (since A:.\junk Not A:\junk)
 792             buf[2] = wxT('.');
 793             buf[3] = wxT('\0');
 794             return buf;
 795         }
 796 #endif
 797     }
 798     return (wxChar *) NULL;
 799 }
 800
 801 // Return just the directory, or NULL if no directory
 802 wxString wxPathOnly (const wxString& path)
 803 {
 804     if (path != wxT(""))
 805     {
 806         wxChar buf[_MAXPATHLEN];
 807
 808         // Local copy
 809         wxStrcpy (buf, WXSTRINGCAST path);
 810
 811         int l = path.Length();
 812         int i = l - 1;
 813
 814         // Search backward for a backward or forward slash
 815         while (i > -1)
 816         {
 817 #if defined(__WXMAC__) && !defined(__DARWIN__)
 818             // Classic or Carbon CodeWarrior like
 819             // Carbon with Apple DevTools is Unix like
 820             if (path[i] == wxT(':') )
 821             {
 822                 buf[i] = 0;
 823                 return wxString(buf);
 824             }
 825 #else
 826             // Unix like or Windows
 827             if (path[i] == wxT('/') || path[i] == wxT('\\'))
 828             {
 829                 buf[i] = 0;
 830                 return wxString(buf);
 831             }
 832 #endif
 833 #ifdef __VMS__
 834             if (path[i] == wxT(']'))
 835             {
 836                 buf[i+1] = 0;
 837                 return wxString(buf);
 838             }
 839 #endif
 840             i --;
 841         }
 842
 843 #if defined(__WXMSW__) || defined(__WXPM__)
 844         // Try Drive specifier
 845         if (wxIsalpha (buf[0]) && buf[1] == wxT(':'))
 846         {
 847             // A:junk --> A:. (since A:.\junk Not A:\junk)
 848             buf[2] = wxT('.');
 849             buf[3] = wxT('\0');
 850             return wxString(buf);
 851         }
 852 #endif
 853     }
 854     return wxString(wxT(""));
 855 }
 856
 857 // Utility for converting delimiters in DOS filenames to UNIX style
 858 // and back again - or we get nasty problems with delimiters.
 859 // Also, convert to lower case, since case is significant in UNIX.
 860
 861 #if defined(__WXMAC__)
 862 wxString wxMacFSSpec2MacFilename( const FSSpec *spec )
 863 {
 864 #ifdef __DARWIN__
 865     FSRef theRef;
 866     char  thePath[FILENAME_MAX];
 867
 868     // convert the FSSpec to an FSRef
 869     (void) FSpMakeFSRef( spec, &theRef );
 870     // get the POSIX path associated with the FSRef
 871     (void) FSRefMakePath( &theRef, (UInt8 *)thePath, sizeof(thePath) );
 872
 873     // create path string for return value
 874     wxString result( thePath ) ;
 875 #else
 876     Handle    myPath ;
 877     short     length ;
 878
 879     // get length of path and allocate handle
 880     FSpGetFullPath( spec , &length , &myPath ) ;
 881     ::SetHandleSize( myPath , length + 1 ) ;
 882     ::HLock( myPath ) ;
 883     (*myPath)[length] = 0 ;
 884     if ((length > 0) && ((*myPath)[length-1] == ':'))
 885         (*myPath)[length-1] = 0 ;
 886
 887     // create path string for return value
 888     wxString result( (char*) *myPath ) ;
 889
 890     // free allocated handle
 891     ::HUnlock( myPath ) ;
 892     ::DisposeHandle( myPath ) ;
 893 #endif
 894
 895     return result ;
 896 }
 897
 898 void wxMacFilename2FSSpec( const char *path , FSSpec *spec )
 899 {
 900 #ifdef __DARWIN__
 901     FSRef theRef;
 902
 903     // get the FSRef associated with the POSIX path
 904     (void) FSPathMakeRef((const UInt8 *) path, &theRef, NULL);
 905     // convert the FSRef to an FSSpec
 906     (void) FSGetCatalogInfo(&theRef, kFSCatInfoNone, NULL, NULL, spec, NULL);
 907 #else
 908     FSpLocationFromFullPath( strlen(path) , path , spec ) ;
 909 #endif
 910 }
 911
 912 #ifndef __DARWIN__
 913 // Mac file names are POSIX (Unix style) under Darwin
 914 // therefore the conversion functions below are not needed
 915
 916 static char sMacFileNameConversion[ 1000 ] ;
 917
 918 wxString wxMac2UnixFilename (const char *str)
 919 {
 920     char *s = sMacFileNameConversion ;
 921     strcpy( s , str ) ;
 922     if (s)
 923     {
 924         memmove( s+1 , s ,strlen( s ) + 1) ;
 925         if ( *s == ':' )
 926             *s = '.' ;
 927         else
 928             *s = '/' ;
 929
 930         while (*s)
 931         {
 932             if (*s == ':')
 933                 *s = '/';
 934             else
 935                 *s = wxTolower(*s);        // Case INDEPENDENT
 936             s++;
 937         }
 938     }
 939     return wxString(sMacFileNameConversion) ;
 940 }
 941
 942 wxString wxUnix2MacFilename (const char *str)
 943 {
 944     char *s = sMacFileNameConversion ;
 945     strcpy( s , str ) ;
 946     if (s)
 947     {
 948         if ( *s == '.' )
 949         {
 950             // relative path , since it goes on with slash which is translated to a :
 951             memmove( s , s+1 ,strlen( s ) ) ;
 952         }
 953         else if ( *s == '/' )
 954         {
 955             // absolute path -> on mac just start with the drive name
 956             memmove( s , s+1 ,strlen( s ) ) ;
 957         }
 958         else
 959         {
 960             wxASSERT_MSG( 1 , "unkown path beginning" ) ;
 961         }
 962         while (*s)
 963         {
 964             if (*s == '/' || *s == '\\')
 965             {
 966                 // convert any back-directory situations
 967                 if ( *(s+1) == '.' && *(s+2) == '.' && ( (*(s+3) == '/' || *(s+3) == '\\') ) )
 968                 {
 969                     *s = ':';
 970                     memmove( s+1 , s+3 ,strlen( s+3 ) + 1 ) ;
 971                 }
 972                 else
 973                     *s = ':';
 974             }
 975             s++ ;
 976         }
 977     }
 978     return wxString (sMacFileNameConversion) ;
 979 }
 980
 981 wxString wxMacFSSpec2UnixFilename( const FSSpec *spec )
 982 {
 983     return wxMac2UnixFilename( wxMacFSSpec2MacFilename( spec) ) ;
 984 }
 985
 986 void wxUnixFilename2FSSpec( const char *path , FSSpec *spec )
 987 {
 988     wxString var = wxUnix2MacFilename( path ) ;
 989     wxMacFilename2FSSpec( var , spec ) ;
 990 }
 991 #endif // ! __DARWIN__
 992
 993 #endif // __WXMAC__
 994
 995 void
 996 wxDos2UnixFilename (char *s)
 997 {
 998   if (s)
 999     while (*s)
1000       {
1001         if (*s == '\\')
1002           *s = '/';
1003 #ifdef __WXMSW__
1004         else
1005           *s = wxTolower (*s);        // Case INDEPENDENT
1006 #endif
1007         s++;
1008       }
1009 }
1010
1011 void
1012 #if defined(__WXMSW__) || defined(__WXPM__)
1013 wxUnix2DosFilename (wxChar *s)
1014 #else
1015 wxUnix2DosFilename (wxChar *WXUNUSED(s) )
1016 #endif
1017 {
1018 // Yes, I really mean this to happen under DOS only! JACS
1019 #if defined(__WXMSW__) || defined(__WXPM__)
1020   if (s)
1021     while (*s)
1022       {
1023         if (*s == wxT('/'))
1024           *s = wxT('\\');
1025         s++;
1026       }
1027 #endif
1028 }
1029
1030 // Concatenate two files to form third
1031 bool
1032 wxConcatFiles (const wxString& file1, const wxString& file2, const wxString& file3)
1033 {
1034   wxString outfile;
1035   if ( !wxGetTempFileName("cat", outfile) )
1036       return FALSE;
1037
1038   FILE *fp1 = (FILE *) NULL;
1039   FILE *fp2 = (FILE *) NULL;
1040   FILE *fp3 = (FILE *) NULL;
1041   // Open the inputs and outputs
1042   if ((fp1 = wxFopen (OS_FILENAME( file1 ), wxT("rb"))) == NULL ||
1043       (fp2 = wxFopen (OS_FILENAME( file2 ), wxT("rb"))) == NULL ||
1044       (fp3 = wxFopen (OS_FILENAME( outfile ), wxT("wb"))) == NULL)
1045     {
1046       if (fp1)
1047         fclose (fp1);
1048       if (fp2)
1049         fclose (fp2);
1050       if (fp3)
1051         fclose (fp3);
1052       return FALSE;
1053     }
1054
1055   int ch;
1056   while ((ch = getc (fp1)) != EOF)
1057     (void) putc (ch, fp3);
1058   fclose (fp1);
1059
1060   while ((ch = getc (fp2)) != EOF)
1061     (void) putc (ch, fp3);
1062   fclose (fp2);
1063
1064   fclose (fp3);
1065   bool result = wxRenameFile(outfile, file3);
1066   return result;
1067 }
1068
1069 // Copy files
1070 bool
1071 wxCopyFile (const wxString& file1, const wxString& file2, bool overwrite)
1072 {
1073 #if defined(__WIN32__) && !defined(__WXMICROWIN__)
1074     // CopyFile() copies file attributes and modification time too, so use it
1075     // instead of our code if available
1076     //
1077     // NB: 3rd parameter is bFailIfExists i.e. the inverse of overwrite
1078     return ::CopyFile(file1, file2, !overwrite) != 0;
1079 #elif defined(__WXPM__)
1080     if (::DosCopy(file2, file2, overwrite ? DCPY_EXISTING : 0) == 0)
1081         return TRUE;
1082     else
1083         return FALSE;
1084 #else // !Win32
1085     wxStructStat fbuf;
1086
1087     // get permissions of file1
1088     if ( wxStat(OS_FILENAME(file1), &fbuf) != 0 )
1089     {
1090         // the file probably doesn't exist or we haven't the rights to read
1091         // from it anyhow
1092         wxLogSysError(_("Impossible to get permissions for file '%s'"),
1093                       file1.c_str());
1094         return FALSE;
1095     }
1096
1097     // open file1 for reading
1098     wxFile fileIn(file1, wxFile::read);
1099     if ( !fileIn.IsOpened() )
1100         return FALSE;
1101
1102     // remove file2, if it exists. This is needed for creating
1103     // file2 with the correct permissions in the next step
1104     if ( wxFileExists(file2)  && (!overwrite || !wxRemoveFile(file2)))
1105     {
1106         wxLogSysError(_("Impossible to overwrite the file '%s'"),
1107                       file2.c_str());
1108         return FALSE;
1109     }
1110
1111 #ifdef __UNIX__
1112     // reset the umask as we want to create the file with exactly the same
1113     // permissions as the original one
1114     mode_t oldUmask = umask( 0 );
1115 #endif // __UNIX__
1116
1117     // create file2 with the same permissions than file1 and open it for
1118     // writing
1119     wxFile fileOut;
1120     if ( !fileOut.Create(file2, overwrite, fbuf.st_mode & 0777) )
1121         return FALSE;
1122
1123 #ifdef __UNIX__
1124     /// restore the old umask
1125     umask(oldUmask);
1126 #endif // __UNIX__
1127
1128     // copy contents of file1 to file2
1129     char buf[4096];
1130     size_t count;
1131     for ( ;; )
1132     {
1133         count = fileIn.Read(buf, WXSIZEOF(buf));
1134         if ( fileIn.Error() )
1135             return FALSE;
1136
1137         // end of file?
1138         if ( !count )
1139             break;
1140
1141         if ( fileOut.Write(buf, count) < count )
1142             return FALSE;
1143     }
1144
1145     // we can expect fileIn to be closed successfully, but we should ensure
1146     // that fileOut was closed as some write errors (disk full) might not be
1147     // detected before doing this
1148     if ( !fileIn.Close() || !fileOut.Close() )
1149         return FALSE;
1150
1151 #if !defined(__VISAGECPP__) && !defined(__WXMAC__) || defined(__UNIX__)
1152     // no chmod in VA.  Should be some permission API for HPFS386 partitions
1153     // however
1154     if ( chmod(OS_FILENAME(file2), fbuf.st_mode) != 0 )
1155     {
1156         wxLogSysError(_("Impossible to set permissions for the file '%s'"),
1157                       file2.c_str());
1158         return FALSE;
1159     }
1160 #endif // OS/2 || Mac
1161
1162     return TRUE;
1163 #endif // __WXMSW__ && __WIN32__
1164 }
1165
1166 bool
1167 wxRenameFile (const wxString& file1, const wxString& file2)
1168 {
1169   // Normal system call
1170   if ( wxRename (file1, file2) == 0 )
1171     return TRUE;
1172
1173   // Try to copy
1174   if (wxCopyFile(file1, file2)) {
1175     wxRemoveFile(file1);
1176     return TRUE;
1177   }
1178   // Give up
1179   return FALSE;
1180 }
1181
1182 bool wxRemoveFile(const wxString& file)
1183 {
1184 #if defined(__VISUALC__) \
1185  || defined(__BORLANDC__) \
1186  || defined(__WATCOMC__) \
1187  || defined(__GNUWIN32__)
1188   int res = wxRemove(file);
1189 #else
1190   int res = unlink(OS_FILENAME(file));
1191 #endif
1192
1193   return res == 0;
1194 }
1195
1196 bool wxMkdir(const wxString& dir, int perm)
1197 {
1198 #if defined(__WXMAC__) && !defined(__UNIX__)
1199   return (mkdir( dir , 0 ) == 0);
1200 #else // !Mac
1201     const wxChar *dirname = dir.c_str();
1202
1203     // assume mkdir() has 2 args on non Windows-OS/2 platforms and on Windows too
1204     // for the GNU compiler
1205 #if (!(defined(__WXMSW__) || defined(__WXPM__) || defined(__DOS__))) || (defined(__GNUWIN32__) && !defined(__MINGW32__)) || defined(__WXWINE__) || defined(__WXMICROWIN__)
1206     if ( mkdir(wxFNCONV(dirname), perm) != 0 )
1207 #elif defined(__WXPM__)
1208     if (::DosCreateDir((PSZ)dirname, NULL) != 0) // enhance for EAB's??
1209 #elif defined(__DOS__)
1210   #if defined(__WATCOMC__)
1211     (void)perm;
1212     if ( wxMkDir(wxFNSTRINGCAST wxFNCONV(dirname)) != 0 )
1213   #elif defined(__DJGPP__)
1214     if ( mkdir(wxFNCONV(dirname), perm) != 0 )
1215   #else
1216     #error "Unsupported DOS compiler!"
1217   #endif
1218 #else  // !MSW, !DOS and !OS/2 VAC++
1219     (void)perm;
1220     if ( wxMkDir(wxFNSTRINGCAST wxFNCONV(dirname)) != 0 )
1221 #endif // !MSW/MSW
1222     {
1223         wxLogSysError(_("Directory '%s' couldn't be created"), dirname);
1224
1225         return FALSE;
1226     }
1227
1228     return TRUE;
1229 #endif // Mac/!Mac
1230 }
1231
1232 bool wxRmdir(const wxString& dir, int WXUNUSED(flags))
1233 {
1234 #ifdef __VMS__
1235   return FALSE; //to be changed since rmdir exists in VMS7.x
1236 #elif defined(__WXPM__)
1237   return (::DosDeleteDir((PSZ)dir.c_str()) == 0);
1238 #else
1239
1240 #ifdef __SALFORDC__
1241   return FALSE; // What to do?
1242 #else
1243   return (wxRmDir(OS_FILENAME(dir)) == 0);
1244 #endif
1245
1246 #endif
1247 }
1248
1249 // does the path exists? (may have or not '/' or '\\' at the end)
1250 bool wxPathExists(const wxChar *pszPathName)
1251 {
1252     wxString strPath(pszPathName);
1253 #ifdef __WINDOWS__
1254     // Windows fails to find directory named "c:\dir\" even if "c:\dir" exists,
1255     // so remove all trailing backslashes from the path - but don't do this for
1256     // the pathes "d:\" (which are different from "d:") nor for just "\"
1257     while ( wxEndsWithPathSeparator(strPath) )
1258     {
1259         size_t len = strPath.length();
1260         if ( len == 1 || (len == 3 && strPath[len - 2] == _T(':')) )
1261             break;
1262
1263         strPath.Truncate(len - 1);
1264     }
1265 #endif // __WINDOWS__
1266
1267 #if defined(__WINDOWS__) && !defined(__WXMICROWIN__)
1268     // Stat can't cope with network paths
1269     DWORD ret = GetFileAttributes(strPath.c_str());
1270     DWORD isDir = (ret & FILE_ATTRIBUTE_DIRECTORY);
1271     return ((ret != 0xffffffff) && (isDir != 0));
1272 #else
1273
1274     wxStructStat st;
1275 #ifndef __VISAGECPP__
1276     return wxStat(wxFNSTRINGCAST strPath.fn_str(), &st) == 0 &&
1277         ((st.st_mode & S_IFMT) == S_IFDIR);
1278 #else
1279     // S_IFMT not supported in VA compilers.. st_mode is a 2byte value only
1280     return wxStat(wxFNSTRINGCAST strPath.fn_str(), &st) == 0 &&
1281         (st.st_mode == S_IFDIR);
1282 #endif
1283
1284 #endif
1285 }
1286
1287 // Get a temporary filename, opening and closing the file.
1288 wxChar *wxGetTempFileName(const wxString& prefix, wxChar *buf)
1289 {
1290     wxString filename = wxFileName::CreateTempFileName(prefix);
1291     if ( filename.empty() )
1292         return NULL;
1293
1294     if ( buf )
1295         wxStrcpy(buf, filename);
1296     else
1297         buf = copystring(filename);
1298
1299     return buf;
1300 }
1301
1302 bool wxGetTempFileName(const wxString& prefix, wxString& buf)
1303 {
1304     buf = wxFileName::CreateTempFileName(prefix);
1305
1306     return !buf.empty();
1307 }
1308
1309 // Get first file name matching given wild card.
1310
1311 static wxDir *gs_dir = NULL;
1312 static wxString gs_dirPath;
1313
1314 wxString wxFindFirstFile(const wxChar *spec, int flags)
1315 {
1316     gs_dirPath = wxPathOnly(spec);
1317     if ( gs_dirPath.IsEmpty() )
1318         gs_dirPath = wxT(".");
1319     if ( gs_dirPath.Last() != wxFILE_SEP_PATH )
1320         gs_dirPath << wxFILE_SEP_PATH;
1321
1322     if (gs_dir)
1323         delete gs_dir;
1324     gs_dir = new wxDir(gs_dirPath);
1325
1326     if ( !gs_dir->IsOpened() )
1327     {
1328         wxLogSysError(_("Can not enumerate files '%s'"), spec);
1329         return wxEmptyString;
1330     }
1331
1332     int dirFlags = 0;
1333     switch (flags)
1334     {
1335         case wxDIR:  dirFlags = wxDIR_DIRS; break;
1336         case wxFILE: dirFlags = wxDIR_FILES; break;
1337         default:     dirFlags = wxDIR_DIRS | wxDIR_FILES; break;
1338     }
1339
1340     wxString result;
1341     gs_dir->GetFirst(&result, wxFileNameFromPath(spec), dirFlags);
1342     if ( result.IsEmpty() )
1343     {
1344         wxDELETE(gs_dir);
1345         return result;
1346     }
1347
1348     return gs_dirPath + result;
1349 }
1350
1351 wxString wxFindNextFile()
1352 {
1353     wxASSERT_MSG( gs_dir, wxT("You must call wxFindFirstFile before!") );
1354
1355     wxString result;
1356     gs_dir->GetNext(&result);
1357
1358     if ( result.IsEmpty() )
1359     {
1360         wxDELETE(gs_dir);
1361         return result;
1362     }
1363
1364     return gs_dirPath + result;
1365 }
1366
1367
1368 // Get current working directory.
1369 // If buf is NULL, allocates space using new, else
1370 // copies into buf.
1371 wxChar *wxGetWorkingDirectory(wxChar *buf, int sz)
1372 {
1373   if (!buf)
1374     buf = new wxChar[sz+1];
1375 #if wxUSE_UNICODE
1376   char *cbuf = new char[sz+1];
1377 #ifdef _MSC_VER
1378   if (_getcwd(cbuf, sz) == NULL) {
1379 #elif defined(__WXMAC__) && !defined(__DARWIN__)
1380     enum
1381     {
1382         SFSaveDisk = 0x214, CurDirStore = 0x398
1383     };
1384     FSSpec cwdSpec ;
1385
1386     FSMakeFSSpec( - *(short *) SFSaveDisk , *(long *) CurDirStore , NULL , &cwdSpec ) ;
1387     wxString res = wxMacFSSpec2UnixFilename( &cwdSpec ) ;
1388     strcpy( buf , res ) ;
1389     if (0) {
1390 #else
1391   if (getcwd(cbuf, sz) == NULL) {
1392 #endif
1393     delete [] cbuf;
1394 #else // wxUnicode
1395 #ifdef _MSC_VER
1396   if (_getcwd(buf, sz) == NULL) {
1397 #elif defined(__WXMAC__) && !defined(__DARWIN__)
1398     FSSpec cwdSpec ;
1399     FCBPBRec pb;
1400     OSErr error;
1401     Str255  fileName ;
1402     pb.ioNamePtr = (StringPtr) &fileName;
1403     pb.ioVRefNum = 0;
1404     pb.ioRefNum = LMGetCurApRefNum();
1405     pb.ioFCBIndx = 0;
1406     error = PBGetFCBInfoSync(&pb);
1407     if ( error == noErr )
1408     {
1409         cwdSpec.vRefNum = pb.ioFCBVRefNum;
1410         cwdSpec.parID = pb.ioFCBParID;
1411         cwdSpec.name[0] = 0 ;
1412         wxString res = wxMacFSSpec2MacFilename( &cwdSpec ) ;
1413
1414         strcpy( buf , res ) ;
1415         buf[res.length()]=0 ;
1416     }
1417     else
1418         buf[0] = 0 ;
1419     /*
1420     this version will not always give back the application directory on mac
1421     enum
1422     {
1423         SFSaveDisk = 0x214, CurDirStore = 0x398
1424     };
1425     FSSpec cwdSpec ;
1426
1427     FSMakeFSSpec( - *(short *) SFSaveDisk , *(long *) CurDirStore , NULL , &cwdSpec ) ;
1428     wxString res = wxMacFSSpec2UnixFilename( &cwdSpec ) ;
1429     strcpy( buf , res ) ;
1430     */
1431     if (0) {
1432 #elif defined(__VISAGECPP__) || (defined (__OS2__) && defined (__WATCOMC__))
1433     APIRET rc;
1434     rc = ::DosQueryCurrentDir( 0 // current drive
1435                               ,buf
1436                               ,(PULONG)&sz
1437                              );
1438     if (rc != 0) {
1439 #else
1440   if (getcwd(buf, sz) == NULL) {
1441 #endif
1442 #endif
1443     buf[0] = wxT('.');
1444     buf[1] = wxT('\0');
1445   }
1446 #if wxUSE_UNICODE
1447   else {
1448     wxConvFile.MB2WC(buf, cbuf, sz);
1449     delete [] cbuf;
1450   }
1451 #endif
1452
1453 #ifdef __DJGPP__
1454   // VS: DJGPP is a strange mix of DOS and UNIX API and returns paths with
1455   //     / deliminers. We don't like that.
1456   for (wxChar *ch = buf; *ch; ch++)
1457     if (*ch == wxT('/')) *ch = wxT('\\');
1458 #endif
1459
1460   return buf;
1461 }
1462
1463 wxString wxGetCwd()
1464 {
1465     static const size_t maxPathLen = 1024;
1466
1467     wxString str;
1468     wxGetWorkingDirectory(str.GetWriteBuf(maxPathLen), maxPathLen);
1469     str.UngetWriteBuf();
1470
1471     return str;
1472 }
1473
1474 bool wxSetWorkingDirectory(const wxString& d)
1475 {
1476 #if defined(__UNIX__) || defined(__WXMAC__) || defined(__DOS__)
1477   return (chdir(wxFNSTRINGCAST d.fn_str()) == 0);
1478 #elif defined(__WXPM__)
1479   return (::DosSetCurrentDir((PSZ)d.c_str()) == 0);
1480 #elif defined(__WINDOWS__)
1481
1482 #ifdef __WIN32__
1483   return (bool)(SetCurrentDirectory(d) != 0);
1484 #else
1485   // Must change drive, too.
1486   bool isDriveSpec = ((strlen(d) > 1) && (d[1] == ':'));
1487   if (isDriveSpec)
1488   {
1489     wxChar firstChar = d[0];
1490
1491     // To upper case
1492     if (firstChar > 90)
1493       firstChar = firstChar - 32;
1494
1495     // To a drive number
1496     unsigned int driveNo = firstChar - 64;
1497     if (driveNo > 0)
1498     {
1499        unsigned int noDrives;
1500        _dos_setdrive(driveNo, &noDrives);
1501     }
1502   }
1503   bool success = (chdir(WXSTRINGCAST d) == 0);
1504
1505   return success;
1506 #endif
1507
1508 #endif
1509 }
1510
1511 // Get the OS directory if appropriate (such as the Windows directory).
1512 // On non-Windows platform, probably just return the empty string.
1513 wxString wxGetOSDirectory()
1514 {
1515 #if defined(__WINDOWS__) && !defined(__WXMICROWIN__)
1516     wxChar buf[256];
1517     GetWindowsDirectory(buf, 256);
1518     return wxString(buf);
1519 #else
1520     return wxEmptyString;
1521 #endif
1522 }
1523
1524 bool wxEndsWithPathSeparator(const wxChar *pszFileName)
1525 {
1526     size_t len = wxStrlen(pszFileName);
1527
1528     return len && wxIsPathSeparator(pszFileName[len - 1]);
1529 }
1530
1531 // find a file in a list of directories, returns false if not found
1532 bool wxFindFileInPath(wxString *pStr, const wxChar *pszPath, const wxChar *pszFile)
1533 {
1534     // we assume that it's not empty
1535     wxCHECK_MSG( !wxIsEmpty(pszFile), FALSE,
1536                  _T("empty file name in wxFindFileInPath"));
1537
1538     // skip path separator in the beginning of the file name if present
1539     if ( wxIsPathSeparator(*pszFile) )
1540         pszFile++;
1541
1542     // copy the path (strtok will modify it)
1543     wxChar *szPath = new wxChar[wxStrlen(pszPath) + 1];
1544     wxStrcpy(szPath, pszPath);
1545
1546     wxString strFile;
1547     wxChar *pc, *save_ptr;
1548     for ( pc = wxStrtok(szPath, wxPATH_SEP, &save_ptr);
1549           pc != NULL;
1550           pc = wxStrtok((wxChar *) NULL, wxPATH_SEP, &save_ptr) )
1551     {
1552         // search for the file in this directory
1553         strFile = pc;
1554         if ( !wxEndsWithPathSeparator(pc) )
1555             strFile += wxFILE_SEP_PATH;
1556         strFile += pszFile;
1557
1558         if ( FileExists(strFile) ) {
1559             *pStr = strFile;
1560             break;
1561         }
1562     }
1563
1564     // suppress warning about unused variable save_ptr when wxStrtok() is a
1565     // macro which throws away its third argument
1566     save_ptr = pc;
1567
1568     delete [] szPath;
1569
1570     return pc != NULL;  // if true => we breaked from the loop
1571 }
1572
1573 void WXDLLEXPORT wxSplitPath(const wxChar *pszFileName,
1574                              wxString *pstrPath,
1575                              wxString *pstrName,
1576                              wxString *pstrExt)
1577 {
1578     // it can be empty, but it shouldn't be NULL
1579     wxCHECK_RET( pszFileName, wxT("NULL file name in wxSplitPath") );
1580
1581     wxFileName::SplitPath(pszFileName, pstrPath, pstrName, pstrExt);
1582 }
1583
1584 time_t WXDLLEXPORT wxFileModificationTime(const wxString& filename)
1585 {
1586     wxStructStat buf;
1587
1588     wxStat(filename.fn_str(), &buf);
1589     return buf.st_mtime;
1590 }
1591
1592
1593 //------------------------------------------------------------------------
1594 // wild character routines
1595 //------------------------------------------------------------------------
1596
1597 bool wxIsWild( const wxString& pattern )
1598 {
1599   wxString tmp = pattern;
1600   wxChar *pat = WXSTRINGCAST(tmp);
1601     while (*pat) {
1602         switch (*pat++) {
1603         case wxT('?'): case wxT('*'): case wxT('['): case wxT('{'):
1604             return TRUE;
1605         case wxT('\\'):
1606             if (!*pat++)
1607                 return FALSE;
1608         }
1609     }
1610     return FALSE;
1611 };
1612
1613 bool wxMatchWild( const wxString& pat, const wxString& text, bool dot_special )
1614
1615 #if defined(HAVE_FNMATCH_H)
1616 {
1617 // this probably won't work well for multibyte chars in Unicode mode?
1618    if(dot_special)
1619       return fnmatch(pat.fn_str(), text.fn_str(), FNM_PERIOD) == 0;
1620    else
1621       return fnmatch(pat.fn_str(), text.fn_str(), 0) == 0;
1622 }
1623 #else
1624
1625 // #pragma error Broken implementation of wxMatchWild() -- needs fixing!
1626
1627    /*
1628     * WARNING: this code is broken!
1629     */
1630 {
1631   wxString tmp1 = pat;
1632   wxChar *pattern = WXSTRINGCAST(tmp1);
1633   wxString tmp2 = text;
1634   wxChar *str = WXSTRINGCAST(tmp2);
1635     wxChar c;
1636     wxChar *cp;
1637     bool done = FALSE, ret_code, ok;
1638     // Below is for vi fans
1639     const wxChar OB = wxT('{'), CB = wxT('}');
1640
1641     // dot_special means '.' only matches '.'
1642     if (dot_special && *str == wxT('.') && *pattern != *str)
1643         return FALSE;
1644
1645     while ((*pattern != wxT('\0')) && (!done)
1646     && (((*str==wxT('\0'))&&((*pattern==OB)||(*pattern==wxT('*'))))||(*str!=wxT('\0')))) {
1647         switch (*pattern) {
1648         case wxT('\\'):
1649             pattern++;
1650             if (*pattern != wxT('\0'))
1651                 pattern++;
1652             break;
1653         case wxT('*'):
1654             pattern++;
1655             ret_code = FALSE;
1656             while ((*str!=wxT('\0'))
1657             && ((ret_code=wxMatchWild(pattern, str++, FALSE)) == 0))
1658                 /*loop*/;
1659             if (ret_code) {
1660                 while (*str != wxT('\0'))
1661                     str++;
1662                 while (*pattern != wxT('\0'))
1663                     pattern++;
1664             }
1665             break;
1666         case wxT('['):
1667             pattern++;
1668           repeat:
1669             if ((*pattern == wxT('\0')) || (*pattern == wxT(']'))) {
1670                 done = TRUE;
1671                 break;
1672             }
1673             if (*pattern == wxT('\\')) {
1674                 pattern++;
1675                 if (*pattern == wxT('\0')) {
1676                     done = TRUE;
1677                     break;
1678                 }
1679             }
1680             if (*(pattern + 1) == wxT('-')) {
1681                 c = *pattern;
1682                 pattern += 2;
1683                 if (*pattern == wxT(']')) {
1684                     done = TRUE;
1685                     break;
1686                 }
1687                 if (*pattern == wxT('\\')) {
1688                     pattern++;
1689                     if (*pattern == wxT('\0')) {
1690                         done = TRUE;
1691                         break;
1692                     }
1693                 }
1694                 if ((*str < c) || (*str > *pattern)) {
1695                     pattern++;
1696                     goto repeat;
1697                 }
1698             } else if (*pattern != *str) {
1699                 pattern++;
1700                 goto repeat;
1701             }
1702             pattern++;
1703             while ((*pattern != wxT(']')) && (*pattern != wxT('\0'))) {
1704                 if ((*pattern == wxT('\\')) && (*(pattern + 1) != wxT('\0')))
1705                     pattern++;
1706                 pattern++;
1707             }
1708             if (*pattern != wxT('\0')) {
1709                 pattern++, str++;
1710             }
1711             break;
1712         case wxT('?'):
1713             pattern++;
1714             str++;
1715             break;
1716         case OB:
1717             pattern++;
1718             while ((*pattern != CB) && (*pattern != wxT('\0'))) {
1719                 cp = str;
1720                 ok = TRUE;
1721                 while (ok && (*cp != wxT('\0')) && (*pattern != wxT('\0'))
1722                 &&  (*pattern != wxT(',')) && (*pattern != CB)) {
1723                     if (*pattern == wxT('\\'))
1724                         pattern++;
1725                     ok = (*pattern++ == *cp++);
1726                 }
1727                 if (*pattern == wxT('\0')) {
1728                     ok = FALSE;
1729                     done = TRUE;
1730                     break;
1731                 } else if (ok) {
1732                     str = cp;
1733                     while ((*pattern != CB) && (*pattern != wxT('\0'))) {
1734                         if (*++pattern == wxT('\\')) {
1735                             if (*++pattern == CB)
1736                                 pattern++;
1737                         }
1738                     }
1739                 } else {
1740                     while (*pattern!=CB && *pattern!=wxT(',') && *pattern!=wxT('\0')) {
1741                         if (*++pattern == wxT('\\')) {
1742                             if (*++pattern == CB || *pattern == wxT(','))
1743                                 pattern++;
1744                         }
1745                     }
1746                 }
1747                 if (*pattern != wxT('\0'))
1748                     pattern++;
1749             }
1750             break;
1751         default:
1752             if (*str == *pattern) {
1753                 str++, pattern++;
1754             } else {
1755                 done = TRUE;
1756             }
1757         }
1758     }
1759     while (*pattern == wxT('*'))
1760         pattern++;
1761     return ((*str == wxT('\0')) && (*pattern == wxT('\0')));
1762 };
1763
1764 #endif
1765
1766 #ifdef __VISUALC__
1767     #pragma warning(default:4706)   // assignment within conditional expression
1768 #endif // VC++
1769
1770 //------------------------------------------------------------------------
1771 // Missing functions in Unicode for Win9x
1772 //------------------------------------------------------------------------
1773
1774 // NB: MSLU only covers Win32 API, it doesn't provide Unicode implementation of
1775 //     libc functions. Unfortunately, some of MSVCRT wchar_t functions
1776 //     (e.g. _wopen) don't work on Windows 9x, so we have to workaround it
1777 //     by calling the char version. We still want to use wchar_t version on
1778 //     NT/2000/XP, though, because they allow for Unicode file names.
1779 #if wxUSE_UNICODE_MSLU
1780
1781     #if defined( __VISUALC__ ) \
1782         || ( defined(__MINGW32__) && wxCHECK_W32API_VERSION( 0, 5 ) ) \
1783         || ( defined(__MWERKS__) && defined(__WXMSW__) )
1784     WXDLLEXPORT int wxOpen(const wxChar *name, int flags, int mode)
1785     {
1786         if ( wxGetOsVersion() == wxWINDOWS_NT )
1787             return _wopen(name, flags, mode);
1788         else
1789             return _open(wxConvFile.cWX2MB(name), flags, mode);
1790     }
1791     #endif
1792
1793 #endif // wxUSE_UNICODE_MSLU