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 #include <time.h>
  54
  55 #ifndef __MWERKS__
  56     #include <sys/types.h>
  57     #include <sys/stat.h>
  58 #else
  59     #include <stat.h>
  60     #include <unistd.h>
  61     #include <unix.h>
  62 #endif
  63
  64 #ifdef __UNIX__
  65     #include <unistd.h>
  66     #include <dirent.h>
  67 #endif
  68
  69 #ifdef __WXPM__
  70     #include <process.h>
  71     #include "wx/os2/private.h"
  72 #endif
  73 #if defined(__WINDOWS__) && !defined(__WXMICROWIN__)
  74 #if !defined( __GNUWIN32__ ) && !defined( __MWERKS__ ) && !defined(__SALFORDC__)
  75     #include <direct.h>
  76     #include <dos.h>
  77     #include <io.h>
  78 #endif // __WINDOWS__
  79 #endif // native Win compiler
  80
  81 #if defined(__DOS__)
  82     #ifdef __WATCOMC__
  83         #include <direct.h>
  84         #include <dos.h>
  85         #include <io.h>
  86     #endif
  87     #ifdef __DJGPP__
  88         #include <unistd.h>
  89     #endif
  90 #endif
  91
  92 #ifdef __GNUWIN32__
  93     #include <wchar.h>
  94     #ifndef __TWIN32__
  95         #include <sys/unistd.h>
  96     #endif
  97 #endif
  98
  99 #ifdef __BORLANDC__ // Please someone tell me which version of Borland needs
 100                     // this (3.1 I believe) and how to test for it.
 101                     // If this works for Borland 4.0 as well, then no worries.
 102     #include <dir.h>
 103 #endif
 104
 105 #ifdef __SALFORDC__
 106     #include <dir.h>
 107     #include <unix.h>
 108 #endif
 109
 110 #include "wx/setup.h"
 111 #include "wx/log.h"
 112
 113 // No, Cygwin doesn't appear to have fnmatch.h after all.
 114 #if defined(HAVE_FNMATCH_H)
 115     #include "fnmatch.h"
 116 #endif
 117
 118 #ifdef __WINDOWS__
 119     #include <windows.h>
 120 #endif
 121
 122 // ----------------------------------------------------------------------------
 123 // constants
 124 // ----------------------------------------------------------------------------
 125
 126 #define _MAXPATHLEN 500
 127
 128 extern wxChar *wxBuffer;
 129
 130 #ifdef __WXMAC__
 131 #    include "MoreFiles.h"
 132 #    include "MoreFilesExtras.h"
 133 #    include "FullPath.h"
 134 #    include "FSpCompat.h"
 135 #endif
 136
 137 IMPLEMENT_DYNAMIC_CLASS(wxPathList, wxStringList)
 138
 139 // ----------------------------------------------------------------------------
 140 // private globals
 141 // ----------------------------------------------------------------------------
 142
 143 static wxChar wxFileFunctionsBuffer[4*_MAXPATHLEN];
 144
 145 #if defined(__VISAGECPP__) && __IBMCPP__ >= 400
 146 //
 147 // VisualAge C++ V4.0 cannot have any external linkage const decs
 148 // in headers included by more than one primary source
 149 //
 150 const off_t wxInvalidOffset = (off_t)-1;
 151 #endif
 152
 153 // ----------------------------------------------------------------------------
 154 // macros
 155 // ----------------------------------------------------------------------------
 156
 157 // we need to translate Mac filenames before passing them to OS functions
 158 #define OS_FILENAME(s) (s.fn_str())
 159
 160 // ============================================================================
 161 // implementation
 162 // ============================================================================
 163
 164 void wxPathList::Add (const wxString& path)
 165 {
 166     wxStringList::Add (WXSTRINGCAST path);
 167 }
 168
 169 // Add paths e.g. from the PATH environment variable
 170 void wxPathList::AddEnvList (const wxString& envVariable)
 171 {
 172   static const wxChar PATH_TOKS[] =
 173 #ifdef __WINDOWS__
 174         wxT(" ;"); // Don't seperate with colon in DOS (used for drive)
 175 #else
 176         wxT(" :;");
 177 #endif
 178
 179   wxChar *val = wxGetenv (WXSTRINGCAST envVariable);
 180   if (val && *val)
 181     {
 182       wxChar *s = copystring (val);
 183       wxChar *save_ptr, *token = wxStrtok (s, PATH_TOKS, &save_ptr);
 184
 185       if (token)
 186       {
 187           Add (copystring (token));
 188           while (token)
 189           {
 190               if ((token = wxStrtok ((wxChar *) NULL, PATH_TOKS, &save_ptr)) != NULL)
 191                   Add (wxString(token));
 192           }
 193       }
 194
 195       // suppress warning about unused variable save_ptr when wxStrtok() is a
 196       // macro which throws away its third argument
 197       save_ptr = token;
 198
 199       delete [] s;
 200     }
 201 }
 202
 203 // Given a full filename (with path), ensure that that file can
 204 // be accessed again USING FILENAME ONLY by adding the path
 205 // to the list if not already there.
 206 void wxPathList::EnsureFileAccessible (const wxString& path)
 207 {
 208     wxString path_only(wxPathOnly(path));
 209     if ( !path_only.IsEmpty() )
 210     {
 211         if ( !Member(path_only) )
 212             Add(path_only);
 213     }
 214 }
 215
 216 bool wxPathList::Member (const wxString& path)
 217 {
 218   for (wxNode * node = First (); node != NULL; node = node->Next ())
 219   {
 220       wxString path2((wxChar *) node->Data ());
 221       if (
 222 #if defined(__WINDOWS__) || defined(__VMS__) || defined (__WXMAC__)
 223       // Case INDEPENDENT
 224           path.CompareTo (path2, wxString::ignoreCase) == 0
 225 #else
 226       // Case sensitive File System
 227           path.CompareTo (path2) == 0
 228 #endif
 229         )
 230         return TRUE;
 231   }
 232   return FALSE;
 233 }
 234
 235 wxString wxPathList::FindValidPath (const wxString& file)
 236 {
 237   if (wxFileExists (wxExpandPath(wxFileFunctionsBuffer, file)))
 238     return wxString(wxFileFunctionsBuffer);
 239
 240   wxChar buf[_MAXPATHLEN];
 241   wxStrcpy(buf, wxFileFunctionsBuffer);
 242
 243   wxChar *filename = (wxChar*) NULL; /* shut up buggy egcs warning */
 244   filename = IsAbsolutePath (buf) ? wxFileNameFromPath (buf) : (wxChar *)buf;
 245
 246   for (wxNode * node = First (); node; node = node->Next ())
 247     {
 248       wxChar *path = (wxChar *) node->Data ();
 249       wxStrcpy (wxFileFunctionsBuffer, path);
 250       wxChar ch = wxFileFunctionsBuffer[wxStrlen(wxFileFunctionsBuffer)-1];
 251       if (ch != wxT('\\') && ch != wxT('/'))
 252         wxStrcat (wxFileFunctionsBuffer, wxT("/"));
 253       wxStrcat (wxFileFunctionsBuffer, filename);
 254 #ifdef __WINDOWS__
 255       Unix2DosFilename (wxFileFunctionsBuffer);
 256 #endif
 257       if (wxFileExists (wxFileFunctionsBuffer))
 258       {
 259         return wxString(wxFileFunctionsBuffer);        // Found!
 260       }
 261     }                                // for()
 262
 263   return wxString(wxT(""));                    // Not found
 264 }
 265
 266 wxString wxPathList::FindAbsoluteValidPath (const wxString& file)
 267 {
 268     wxString f = FindValidPath(file);
 269     if ( wxIsAbsolutePath(f) )
 270         return f;
 271
 272     wxString buf;
 273     wxGetWorkingDirectory(buf.GetWriteBuf(_MAXPATHLEN), _MAXPATHLEN - 1);
 274     buf.UngetWriteBuf();
 275     if ( !wxEndsWithPathSeparator(buf) )
 276     {
 277         buf += wxFILE_SEP_PATH;
 278     }
 279     buf += f;
 280
 281     return buf;
 282 }
 283
 284 bool
 285 wxFileExists (const wxString& filename)
 286 {
 287 #if defined(__WINDOWS__) && !defined(__WXMICROWIN__)
 288     // GetFileAttributes can copy with network paths
 289     DWORD ret = GetFileAttributes(filename);
 290     DWORD isDir = (ret & FILE_ATTRIBUTE_DIRECTORY);
 291     return ((ret != 0xffffffff) && (isDir == 0));
 292 #else
 293     wxStructStat stbuf;
 294     if ( !filename.empty() && wxStat (OS_FILENAME(filename), &stbuf) == 0 )
 295         return TRUE;
 296
 297     return FALSE;
 298 #endif
 299 }
 300
 301 bool
 302 wxIsAbsolutePath (const wxString& filename)
 303 {
 304     if (filename != wxT(""))
 305     {
 306 #if defined(__WXMAC__) && !defined(__DARWIN__)
 307         // Classic or Carbon CodeWarrior like
 308         // Carbon with Apple DevTools is Unix like
 309
 310         // This seems wrong to me, but there is no fix. since
 311         // "MacOS:MyText.txt" is absolute whereas "MyDir:MyText.txt"
 312         // is not. Or maybe ":MyDir:MyText.txt" has to be used? RR.
 313         if (filename.Find(':') != wxNOT_FOUND && filename[0] != ':')
 314             return TRUE ;
 315 #else
 316         // Unix like or Windows
 317         if (filename[0] == wxT('/'))
 318             return TRUE;
 319 #endif
 320 #ifdef __VMS__
 321         if ((filename[0] == wxT('[') && filename[1] != wxT('.')))
 322             return TRUE;
 323 #endif
 324 #ifdef __WINDOWS__
 325         // MSDOS like
 326         if (filename[0] == wxT('\\') || (wxIsalpha (filename[0]) && filename[1] == wxT(':')))
 327             return TRUE;
 328 #endif
 329     }
 330     return FALSE ;
 331 }
 332
 333 /*
 334  * Strip off any extension (dot something) from end of file,
 335  * IF one exists. Inserts zero into buffer.
 336  *
 337  */
 338
 339 void wxStripExtension(wxChar *buffer)
 340 {
 341   int len = wxStrlen(buffer);
 342   int i = len-1;
 343   while (i > 0)
 344   {
 345     if (buffer[i] == wxT('.'))
 346     {
 347       buffer[i] = 0;
 348       break;
 349     }
 350     i --;
 351   }
 352 }
 353
 354 void wxStripExtension(wxString& buffer)
 355 {
 356   size_t len = buffer.Length();
 357   size_t i = len-1;
 358   while (i > 0)
 359   {
 360     if (buffer.GetChar(i) == wxT('.'))
 361     {
 362       buffer = buffer.Left(i);
 363       break;
 364     }
 365     i --;
 366   }
 367 }
 368
 369 // Destructive removal of /./ and /../ stuff
 370 wxChar *wxRealPath (wxChar *path)
 371 {
 372 #ifdef __WXMSW__
 373   static const wxChar SEP = wxT('\\');
 374   Unix2DosFilename(path);
 375 #else
 376   static const wxChar SEP = wxT('/');
 377 #endif
 378   if (path[0] && path[1]) {
 379     /* MATTHEW: special case "/./x" */
 380     wxChar *p;
 381     if (path[2] == SEP && path[1] == wxT('.'))
 382       p = &path[0];
 383     else
 384       p = &path[2];
 385     for (; *p; p++)
 386       {
 387         if (*p == SEP)
 388           {
 389             if (p[1] == wxT('.') && p[2] == wxT('.') && (p[3] == SEP || p[3] == wxT('\0')))
 390               {
 391                 wxChar *q;
 392                 for (q = p - 1; q >= path && *q != SEP; q--);
 393                 if (q[0] == SEP && (q[1] != wxT('.') || q[2] != wxT('.') || q[3] != SEP)
 394                     && (q - 1 <= path || q[-1] != SEP))
 395                   {
 396                     wxStrcpy (q, p + 3);
 397                     if (path[0] == wxT('\0'))
 398                       {
 399                         path[0] = SEP;
 400                         path[1] = wxT('\0');
 401                       }
 402 #ifdef __WXMSW__
 403                     /* Check that path[2] is NULL! */
 404                     else if (path[1] == wxT(':') && !path[2])
 405                       {
 406                         path[2] = SEP;
 407                         path[3] = wxT('\0');
 408                       }
 409 #endif
 410                     p = q - 1;
 411                   }
 412               }
 413             else if (p[1] == wxT('.') && (p[2] == SEP || p[2] == wxT('\0')))
 414               wxStrcpy (p, p + 2);
 415           }
 416       }
 417   }
 418   return path;
 419 }
 420
 421 // Must be destroyed
 422 wxChar *wxCopyAbsolutePath(const wxString& filename)
 423 {
 424   if (filename == wxT(""))
 425     return (wxChar *) NULL;
 426
 427   if (! IsAbsolutePath(wxExpandPath(wxFileFunctionsBuffer, filename))) {
 428     wxChar  buf[_MAXPATHLEN];
 429     buf[0] = wxT('\0');
 430     wxGetWorkingDirectory(buf, WXSIZEOF(buf));
 431     wxChar ch = buf[wxStrlen(buf) - 1];
 432 #ifdef __WXMSW__
 433     if (ch != wxT('\\') && ch != wxT('/'))
 434         wxStrcat(buf, wxT("\\"));
 435 #else
 436     if (ch != wxT('/'))
 437         wxStrcat(buf, wxT("/"));
 438 #endif
 439     wxStrcat(buf, wxFileFunctionsBuffer);
 440     return copystring( wxRealPath(buf) );
 441   }
 442   return copystring( wxFileFunctionsBuffer );
 443 }
 444
 445 /*-
 446  Handles:
 447    ~/ => home dir
 448    ~user/ => user's home dir
 449    If the environment variable a = "foo" and b = "bar" then:
 450    Unix:
 451         $a        =>        foo
 452         $a$b        =>        foobar
 453         $a.c        =>        foo.c
 454         xxx$a        =>        xxxfoo
 455         ${a}!        =>        foo!
 456         $(b)!        =>        bar!
 457         \$a        =>        \$a
 458    MSDOS:
 459         $a        ==>        $a
 460         $(a)        ==>        foo
 461         $(a)$b        ==>        foo$b
 462         $(a)$(b)==>        foobar
 463         test.$$        ==>        test.$$
 464  */
 465
 466 /* input name in name, pathname output to buf. */
 467
 468 wxChar *wxExpandPath(wxChar *buf, const wxChar *name)
 469 {
 470     register wxChar *d, *s, *nm;
 471     wxChar          lnm[_MAXPATHLEN];
 472     int             q;
 473
 474     // Some compilers don't like this line.
 475 //    const wxChar    trimchars[] = wxT("\n \t");
 476
 477     wxChar      trimchars[4];
 478     trimchars[0] = wxT('\n');
 479     trimchars[1] = wxT(' ');
 480     trimchars[2] = wxT('\t');
 481     trimchars[3] = 0;
 482
 483 #ifdef __WXMSW__
 484      const wxChar     SEP = wxT('\\');
 485 #else
 486      const wxChar     SEP = wxT('/');
 487 #endif
 488     buf[0] = wxT('\0');
 489     if (name == NULL || *name == wxT('\0'))
 490         return buf;
 491     nm = copystring(name); // Make a scratch copy
 492     wxChar *nm_tmp = nm;
 493
 494     /* Skip leading whitespace and cr */
 495     while (wxStrchr((wxChar *)trimchars, *nm) != NULL)
 496         nm++;
 497     /* And strip off trailing whitespace and cr */
 498     s = nm + (q = wxStrlen(nm)) - 1;
 499     while (q-- && wxStrchr((wxChar *)trimchars, *s) != NULL)
 500         *s = wxT('\0');
 501
 502     s = nm;
 503     d = lnm;
 504 #ifdef __WXMSW__
 505     q = FALSE;
 506 #else
 507     q = nm[0] == wxT('\\') && nm[1] == wxT('~');
 508 #endif
 509
 510     /* Expand inline environment variables */
 511 #ifdef __VISAGECPP__
 512     while (*d)
 513     {
 514       *d++ = *s;
 515       if(*s == wxT('\\'))
 516       {
 517         *(d - 1) = *++s;
 518         if (*d)
 519         {
 520           s++;
 521           continue;
 522         }
 523         else
 524            break;
 525       }
 526       else
 527 #else
 528     while ((*d++ = *s) != 0) {
 529 #  ifndef __WXMSW__
 530         if (*s == wxT('\\')) {
 531             if ((*(d - 1) = *++s)) {
 532                 s++;
 533                 continue;
 534             } else
 535                 break;
 536         } else
 537 #  endif
 538 #endif
 539 #ifdef __WXMSW__
 540         if (*s++ == wxT('$') && (*s == wxT('{') || *s == wxT(')')))
 541 #else
 542         if (*s++ == wxT('$'))
 543 #endif
 544         {
 545             register wxChar  *start = d;
 546             register int     braces = (*s == wxT('{') || *s == wxT('('));
 547             register wxChar  *value;
 548             while ((*d++ = *s) != 0)
 549                 if (braces ? (*s == wxT('}') || *s == wxT(')')) : !(wxIsalnum(*s) || *s == wxT('_')) )
 550                     break;
 551                 else
 552                     s++;
 553             *--d = 0;
 554             value = wxGetenv(braces ? start + 1 : start);
 555             if (value) {
 556                 for ((d = start - 1); (*d++ = *value++) != 0;);
 557                 d--;
 558                 if (braces && *s)
 559                     s++;
 560             }
 561         }
 562     }
 563
 564     /* Expand ~ and ~user */
 565     nm = lnm;
 566     s = wxT("");
 567     if (nm[0] == wxT('~') && !q)
 568     {
 569         /* prefix ~ */
 570         if (nm[1] == SEP || nm[1] == 0)
 571         {        /* ~/filename */
 572         // FIXME: wxGetUserHome could return temporary storage in Unicode mode
 573             if ((s = WXSTRINGCAST wxGetUserHome(wxT(""))) != NULL) {
 574                 if (*++nm)
 575                     nm++;
 576             }
 577         } else
 578         {                /* ~user/filename */
 579             register wxChar  *nnm;
 580             register wxChar  *home;
 581             for (s = nm; *s && *s != SEP; s++);
 582             int was_sep; /* MATTHEW: Was there a separator, or NULL? */
 583             was_sep = (*s == SEP);
 584             nnm = *s ? s + 1 : s;
 585             *s = 0;
 586         // FIXME: wxGetUserHome could return temporary storage in Unicode mode
 587             if ((home = WXSTRINGCAST wxGetUserHome(wxString(nm + 1))) == NULL) {
 588                if (was_sep) /* replace only if it was there: */
 589                    *s = SEP;
 590                 s = wxT("");
 591             } else {
 592                 nm = nnm;
 593                 s = home;
 594             }
 595         }
 596     }
 597
 598     d = buf;
 599     if (s && *s) { /* MATTHEW: s could be NULL if user '~' didn't exist */
 600         /* Copy home dir */
 601         while (wxT('\0') != (*d++ = *s++))
 602           /* loop */;
 603         // Handle root home
 604         if (d - 1 > buf && *(d - 2) != SEP)
 605           *(d - 1) = SEP;
 606     }
 607     s = nm;
 608     while ((*d++ = *s++) != 0);
 609     delete[] nm_tmp; // clean up alloc
 610     /* Now clean up the buffer */
 611     return wxRealPath(buf);
 612 }
 613
 614 /* Contract Paths to be build upon an environment variable
 615    component:
 616
 617    example: "/usr/openwin/lib", OPENWINHOME --> ${OPENWINHOME}/lib
 618
 619    The call wxExpandPath can convert these back!
 620  */
 621 wxChar *
 622 wxContractPath (const wxString& filename, const wxString& envname, const wxString& user)
 623 {
 624   static wxChar dest[_MAXPATHLEN];
 625
 626   if (filename == wxT(""))
 627     return (wxChar *) NULL;
 628
 629   wxStrcpy (dest, WXSTRINGCAST filename);
 630 #ifdef __WXMSW__
 631   Unix2DosFilename(dest);
 632 #endif
 633
 634   // Handle environment
 635   const wxChar *val = (const wxChar *) NULL;
 636   wxChar *tcp = (wxChar *) NULL;
 637   if (envname != WXSTRINGCAST NULL && (val = wxGetenv (WXSTRINGCAST envname)) != NULL &&
 638      (tcp = wxStrstr (dest, val)) != NULL)
 639     {
 640         wxStrcpy (wxFileFunctionsBuffer, tcp + wxStrlen (val));
 641         *tcp++ = wxT('$');
 642         *tcp++ = wxT('{');
 643         wxStrcpy (tcp, WXSTRINGCAST envname);
 644         wxStrcat (tcp, wxT("}"));
 645         wxStrcat (tcp, wxFileFunctionsBuffer);
 646     }
 647
 648   // Handle User's home (ignore root homes!)
 649   size_t len = 0;
 650   if ((val = wxGetUserHome (user)) != NULL &&
 651       (len = wxStrlen(val)) > 2 &&
 652       wxStrncmp(dest, val, len) == 0)
 653     {
 654       wxStrcpy(wxFileFunctionsBuffer, wxT("~"));
 655       if (user != wxT(""))
 656              wxStrcat(wxFileFunctionsBuffer, (const wxChar*) user);
 657 #ifdef __WXMSW__
 658 //      strcat(wxFileFunctionsBuffer, "\\");
 659 #else
 660 //      strcat(wxFileFunctionsBuffer, "/");
 661 #endif
 662       wxStrcat(wxFileFunctionsBuffer, dest + len);
 663       wxStrcpy (dest, wxFileFunctionsBuffer);
 664     }
 665
 666   return dest;
 667 }
 668
 669 // Return just the filename, not the path
 670 // (basename)
 671 wxChar *wxFileNameFromPath (wxChar *path)
 672 {
 673     if (path)
 674     {
 675         register wxChar *tcp;
 676
 677         tcp = path + wxStrlen (path);
 678         while (--tcp >= path)
 679         {
 680 #if defined(__WXMAC__) && !defined(__DARWIN__)
 681             // Classic or Carbon CodeWarrior like
 682             // Carbon with Apple DevTools is Unix like
 683             if (*tcp == wxT(':'))
 684                 return tcp + 1;
 685 #else
 686             // Unix like or Windows
 687             if (*tcp == wxT('/') || *tcp == wxT('\\'))
 688                 return tcp + 1;
 689 #endif
 690 #ifdef __VMS__
 691             if (*tcp == wxT(':') || *tcp == wxT(']'))
 692                 return tcp + 1;
 693 #endif
 694         } /* while */
 695 #if defined(__WXMSW__) || defined(__WXPM__)
 696         // MSDOS like
 697         if (wxIsalpha (*path) && *(path + 1) == wxT(':'))
 698             return path + 2;
 699 #endif
 700     }
 701     return path;
 702 }
 703
 704 wxString wxFileNameFromPath (const wxString& path1)
 705 {
 706     if (path1 != wxT(""))
 707     {
 708         wxChar *path = WXSTRINGCAST path1 ;
 709         register wxChar *tcp;
 710
 711         tcp = path + wxStrlen (path);
 712         while (--tcp >= path)
 713         {
 714 #if defined(__WXMAC__) && !defined(__DARWIN__)
 715             // Classic or Carbon CodeWarrior like
 716             // Carbon with Apple DevTools is Unix like
 717             if (*tcp == wxT(':') )
 718                 return wxString(tcp + 1);
 719 #else
 720             // Unix like or Windows
 721             if (*tcp == wxT('/') || *tcp == wxT('\\'))
 722                 return wxString(tcp + 1);
 723 #endif
 724 #ifdef __VMS__
 725             if (*tcp == wxT(':') || *tcp == wxT(']'))
 726                 return wxString(tcp + 1);
 727 #endif
 728         } /* while */
 729 #if defined(__WXMSW__) || defined(__WXPM__)
 730         // MSDOS like
 731         if (wxIsalpha (*path) && *(path + 1) == wxT(':'))
 732             return wxString(path + 2);
 733 #endif
 734     }
 735     // Yes, this should return the path, not an empty string, otherwise
 736     // we get "thing.txt" -> "".
 737     return path1;
 738 }
 739
 740 // Return just the directory, or NULL if no directory
 741 wxChar *
 742 wxPathOnly (wxChar *path)
 743 {
 744     if (path && *path)
 745     {
 746         static wxChar buf[_MAXPATHLEN];
 747
 748         // Local copy
 749         wxStrcpy (buf, path);
 750
 751         int l = wxStrlen(path);
 752         int i = l - 1;
 753
 754         // Search backward for a backward or forward slash
 755         while (i > -1)
 756         {
 757 #if defined(__WXMAC__) && !defined(__DARWIN__)
 758             // Classic or Carbon CodeWarrior like
 759             // Carbon with Apple DevTools is Unix like
 760             if (path[i] == wxT(':') )
 761             {
 762                 buf[i] = 0;
 763                 return buf;
 764             }
 765 #else
 766             // Unix like or Windows
 767             if (path[i] == wxT('/') || path[i] == wxT('\\'))
 768             {
 769                 buf[i] = 0;
 770                 return buf;
 771             }
 772 #endif
 773 #ifdef __VMS__
 774             if (path[i] == wxT(']'))
 775             {
 776                 buf[i+1] = 0;
 777                 return buf;
 778             }
 779 #endif
 780             i --;
 781         }
 782
 783 #if defined(__WXMSW__) || defined(__WXPM__)
 784         // Try Drive specifier
 785         if (wxIsalpha (buf[0]) && buf[1] == wxT(':'))
 786         {
 787             // A:junk --> A:. (since A:.\junk Not A:\junk)
 788             buf[2] = wxT('.');
 789             buf[3] = wxT('\0');
 790             return buf;
 791         }
 792 #endif
 793     }
 794     return (wxChar *) NULL;
 795 }
 796
 797 // Return just the directory, or NULL if no directory
 798 wxString wxPathOnly (const wxString& path)
 799 {
 800     if (path != wxT(""))
 801     {
 802         wxChar buf[_MAXPATHLEN];
 803
 804         // Local copy
 805         wxStrcpy (buf, WXSTRINGCAST path);
 806
 807         int l = path.Length();
 808         int i = l - 1;
 809
 810         // Search backward for a backward or forward slash
 811         while (i > -1)
 812         {
 813 #if defined(__WXMAC__) && !defined(__DARWIN__)
 814             // Classic or Carbon CodeWarrior like
 815             // Carbon with Apple DevTools is Unix like
 816             if (path[i] == wxT(':') )
 817             {
 818                 buf[i] = 0;
 819                 return wxString(buf);
 820             }
 821 #else
 822             // Unix like or Windows
 823             if (path[i] == wxT('/') || path[i] == wxT('\\'))
 824             {
 825                 buf[i] = 0;
 826                 return wxString(buf);
 827             }
 828 #endif
 829 #ifdef __VMS__
 830             if (path[i] == wxT(']'))
 831             {
 832                 buf[i+1] = 0;
 833                 return wxString(buf);
 834             }
 835 #endif
 836             i --;
 837         }
 838
 839 #if defined(__WXMSW__) || defined(__WXPM__)
 840         // Try Drive specifier
 841         if (wxIsalpha (buf[0]) && buf[1] == wxT(':'))
 842         {
 843             // A:junk --> A:. (since A:.\junk Not A:\junk)
 844             buf[2] = wxT('.');
 845             buf[3] = wxT('\0');
 846             return wxString(buf);
 847         }
 848 #endif
 849     }
 850     return wxString(wxT(""));
 851 }
 852
 853 // Utility for converting delimiters in DOS filenames to UNIX style
 854 // and back again - or we get nasty problems with delimiters.
 855 // Also, convert to lower case, since case is significant in UNIX.
 856
 857 #if defined(__WXMAC__)
 858 wxString wxMacFSSpec2MacFilename( const FSSpec *spec )
 859 {
 860 #ifdef __DARWIN__
 861     FSRef theRef;
 862     char  thePath[FILENAME_MAX];
 863
 864     // convert the FSSpec to an FSRef
 865     (void) FSpMakeFSRef( spec, &theRef );
 866     // get the POSIX path associated with the FSRef
 867     (void) FSRefMakePath( &theRef, (UInt8 *)thePath, sizeof(thePath) );
 868
 869     // create path string for return value
 870     wxString result( thePath ) ;
 871 #else
 872     Handle    myPath ;
 873     short     length ;
 874
 875     // get length of path and allocate handle
 876     FSpGetFullPath( spec , &length , &myPath ) ;
 877     ::SetHandleSize( myPath , length + 1 ) ;
 878     ::HLock( myPath ) ;
 879     (*myPath)[length] = 0 ;
 880     if ((length > 0) && ((*myPath)[length-1] == ':'))
 881         (*myPath)[length-1] = 0 ;
 882
 883     // create path string for return value
 884     wxString result( (char*) *myPath ) ;
 885
 886     // free allocated handle
 887     ::HUnlock( myPath ) ;
 888     ::DisposeHandle( myPath ) ;
 889 #endif
 890
 891     return result ;
 892 }
 893
 894 void wxMacFilename2FSSpec( const char *path , FSSpec *spec )
 895 {
 896 #ifdef __DARWIN__
 897     FSRef theRef;
 898
 899     // get the FSRef associated with the POSIX path
 900     (void) FSPathMakeRef((const UInt8 *) path, &theRef, NULL);
 901     // convert the FSRef to an FSSpec
 902     (void) FSGetCatalogInfo(&theRef, kFSCatInfoNone, NULL, NULL, spec, NULL);
 903 #else
 904     FSpLocationFromFullPath( strlen(path) , path , spec ) ;
 905 #endif
 906 }
 907
 908 #ifndef __DARWIN__
 909 // Mac file names are POSIX (Unix style) under Darwin
 910 // therefore the conversion functions below are not needed
 911
 912 static char sMacFileNameConversion[ 1000 ] ;
 913
 914 wxString wxMac2UnixFilename (const char *str)
 915 {
 916     char *s = sMacFileNameConversion ;
 917     strcpy( s , str ) ;
 918     if (s)
 919     {
 920         memmove( s+1 , s ,strlen( s ) + 1) ;
 921         if ( *s == ':' )
 922             *s = '.' ;
 923         else
 924             *s = '/' ;
 925
 926         while (*s)
 927         {
 928             if (*s == ':')
 929                 *s = '/';
 930             else
 931                 *s = wxTolower(*s);        // Case INDEPENDENT
 932             s++;
 933         }
 934     }
 935     return wxString(sMacFileNameConversion) ;
 936 }
 937
 938 wxString wxUnix2MacFilename (const char *str)
 939 {
 940     char *s = sMacFileNameConversion ;
 941     strcpy( s , str ) ;
 942     if (s)
 943     {
 944         if ( *s == '.' )
 945         {
 946             // relative path , since it goes on with slash which is translated to a :
 947             memmove( s , s+1 ,strlen( s ) ) ;
 948         }
 949         else if ( *s == '/' )
 950         {
 951             // absolute path -> on mac just start with the drive name
 952             memmove( s , s+1 ,strlen( s ) ) ;
 953         }
 954         else
 955         {
 956             wxASSERT_MSG( 1 , "unkown path beginning" ) ;
 957         }
 958         while (*s)
 959         {
 960             if (*s == '/' || *s == '\\')
 961             {
 962                 // convert any back-directory situations
 963                 if ( *(s+1) == '.' && *(s+2) == '.' && ( (*(s+3) == '/' || *(s+3) == '\\') ) )
 964                 {
 965                     *s = ':';
 966                     memmove( s+1 , s+3 ,strlen( s+3 ) + 1 ) ;
 967                 }
 968                 else
 969                     *s = ':';
 970             }
 971             s++ ;
 972         }
 973     }
 974     return wxString (sMacFileNameConversion) ;
 975 }
 976
 977 wxString wxMacFSSpec2UnixFilename( const FSSpec *spec )
 978 {
 979     return wxMac2UnixFilename( wxMacFSSpec2MacFilename( spec) ) ;
 980 }
 981
 982 void wxUnixFilename2FSSpec( const char *path , FSSpec *spec )
 983 {
 984     wxString var = wxUnix2MacFilename( path ) ;
 985     wxMacFilename2FSSpec( var , spec ) ;
 986 }
 987 #endif // ! __DARWIN__
 988
 989 #endif // __WXMAC__
 990
 991 void
 992 wxDos2UnixFilename (char *s)
 993 {
 994   if (s)
 995     while (*s)
 996       {
 997         if (*s == '\\')
 998           *s = '/';
 999 #ifdef __WXMSW__
1000         else
1001           *s = wxTolower (*s);        // Case INDEPENDENT
1002 #endif
1003         s++;
1004       }
1005 }
1006
1007 void
1008 #if defined(__WXMSW__) || defined(__WXPM__)
1009 wxUnix2DosFilename (wxChar *s)
1010 #else
1011 wxUnix2DosFilename (wxChar *WXUNUSED(s) )
1012 #endif
1013 {
1014 // Yes, I really mean this to happen under DOS only! JACS
1015 #if defined(__WXMSW__) || defined(__WXPM__)
1016   if (s)
1017     while (*s)
1018       {
1019         if (*s == wxT('/'))
1020           *s = wxT('\\');
1021         s++;
1022       }
1023 #endif
1024 }
1025
1026 // Concatenate two files to form third
1027 bool
1028 wxConcatFiles (const wxString& file1, const wxString& file2, const wxString& file3)
1029 {
1030   wxString outfile;
1031   if ( !wxGetTempFileName("cat", outfile) )
1032       return FALSE;
1033
1034   FILE *fp1 = (FILE *) NULL;
1035   FILE *fp2 = (FILE *) NULL;
1036   FILE *fp3 = (FILE *) NULL;
1037   // Open the inputs and outputs
1038   if ((fp1 = wxFopen (OS_FILENAME( file1 ), wxT("rb"))) == NULL ||
1039       (fp2 = wxFopen (OS_FILENAME( file2 ), wxT("rb"))) == NULL ||
1040       (fp3 = wxFopen (OS_FILENAME( outfile ), wxT("wb"))) == NULL)
1041     {
1042       if (fp1)
1043         fclose (fp1);
1044       if (fp2)
1045         fclose (fp2);
1046       if (fp3)
1047         fclose (fp3);
1048       return FALSE;
1049     }
1050
1051   int ch;
1052   while ((ch = getc (fp1)) != EOF)
1053     (void) putc (ch, fp3);
1054   fclose (fp1);
1055
1056   while ((ch = getc (fp2)) != EOF)
1057     (void) putc (ch, fp3);
1058   fclose (fp2);
1059
1060   fclose (fp3);
1061   bool result = wxRenameFile(outfile, file3);
1062   return result;
1063 }
1064
1065 // Copy files
1066 bool
1067 wxCopyFile (const wxString& file1, const wxString& file2, bool overwrite)
1068 {
1069 #if defined(__WIN32__) && !defined(__WXMICROWIN__)
1070     // CopyFile() copies file attributes and modification time too, so use it
1071     // instead of our code if available
1072     //
1073     // NB: 3rd parameter is bFailIfExists i.e. the inverse of overwrite
1074     return ::CopyFile(file1, file2, !overwrite) != 0;
1075 #elif defined(__WXPM__)
1076     if (::DosCopy(file2, file2, overwrite ? DCPY_EXISTING : 0) == 0)
1077         return TRUE;
1078     else
1079         return FALSE;
1080 #else // !Win32
1081     wxStructStat fbuf;
1082
1083     // get permissions of file1
1084     if ( wxStat(OS_FILENAME(file1), &fbuf) != 0 )
1085     {
1086         // the file probably doesn't exist or we haven't the rights to read
1087         // from it anyhow
1088         wxLogSysError(_("Impossible to get permissions for file '%s'"),
1089                       file1.c_str());
1090         return FALSE;
1091     }
1092
1093     // open file1 for reading
1094     wxFile fileIn(file1, wxFile::read);
1095     if ( !fileIn.IsOpened() )
1096         return FALSE;
1097
1098     // remove file2, if it exists. This is needed for creating
1099     // file2 with the correct permissions in the next step
1100     if ( wxFileExists(file2)  && (!overwrite || !wxRemoveFile(file2)))
1101     {
1102         wxLogSysError(_("Impossible to overwrite the file '%s'"),
1103                       file2.c_str());
1104         return FALSE;
1105     }
1106
1107 #ifdef __UNIX__
1108     // reset the umask as we want to create the file with exactly the same
1109     // permissions as the original one
1110     mode_t oldUmask = umask( 0 );
1111 #endif // __UNIX__
1112
1113     // create file2 with the same permissions than file1 and open it for
1114     // writing
1115     wxFile fileOut;
1116     if ( !fileOut.Create(file2, overwrite, fbuf.st_mode & 0777) )
1117         return FALSE;
1118
1119 #ifdef __UNIX__
1120     /// restore the old umask
1121     umask(oldUmask);
1122 #endif // __UNIX__
1123
1124     // copy contents of file1 to file2
1125     char buf[4096];
1126     size_t count;
1127     for ( ;; )
1128     {
1129         count = fileIn.Read(buf, WXSIZEOF(buf));
1130         if ( fileIn.Error() )
1131             return FALSE;
1132
1133         // end of file?
1134         if ( !count )
1135             break;
1136
1137         if ( fileOut.Write(buf, count) < count )
1138             return FALSE;
1139     }
1140
1141     // we can expect fileIn to be closed successfully, but we should ensure
1142     // that fileOut was closed as some write errors (disk full) might not be
1143     // detected before doing this
1144     if ( !fileIn.Close() || !fileOut.Close() )
1145         return FALSE;
1146
1147 #if !defined(__VISAGECPP__) && !defined(__WXMAC__) || defined(__UNIX__)
1148     // no chmod in VA.  Should be some permission API for HPFS386 partitions
1149     // however
1150     if ( chmod(OS_FILENAME(file2), fbuf.st_mode) != 0 )
1151     {
1152         wxLogSysError(_("Impossible to set permissions for the file '%s'"),
1153                       file2.c_str());
1154         return FALSE;
1155     }
1156 #endif // OS/2 || Mac
1157
1158     return TRUE;
1159 #endif // __WXMSW__ && __WIN32__
1160 }
1161
1162 bool
1163 wxRenameFile (const wxString& file1, const wxString& file2)
1164 {
1165   // Normal system call
1166   if ( wxRename (file1, file2) == 0 )
1167     return TRUE;
1168
1169   // Try to copy
1170   if (wxCopyFile(file1, file2)) {
1171     wxRemoveFile(file1);
1172     return TRUE;
1173   }
1174   // Give up
1175   return FALSE;
1176 }
1177
1178 bool wxRemoveFile(const wxString& file)
1179 {
1180 #if defined(__VISUALC__) \
1181  || defined(__BORLANDC__) \
1182  || defined(__WATCOMC__) \
1183  || defined(__GNUWIN32__)
1184   int res = wxRemove(file);
1185 #else
1186   int res = unlink(OS_FILENAME(file));
1187 #endif
1188
1189   return res == 0;
1190 }
1191
1192 bool wxMkdir(const wxString& dir, int perm)
1193 {
1194 #if defined(__WXMAC__) && !defined(__UNIX__)
1195   return (mkdir( dir , 0 ) == 0);
1196 #else // !Mac
1197     const wxChar *dirname = dir.c_str();
1198
1199     // assume mkdir() has 2 args on non Windows-OS/2 platforms and on Windows too
1200     // for the GNU compiler
1201 #if (!(defined(__WXMSW__) || defined(__WXPM__) || defined(__DOS__))) || (defined(__GNUWIN32__) && !defined(__MINGW32__)) || defined(__WXWINE__) || defined(__WXMICROWIN__)
1202     if ( mkdir(wxFNCONV(dirname), perm) != 0 )
1203 #elif defined(__WXPM__)
1204     if (::DosCreateDir((PSZ)dirname, NULL) != 0) // enhance for EAB's??
1205 #elif defined(__DOS__)
1206   #if defined(__WATCOMC__)
1207     (void)perm;
1208     if ( wxMkDir(wxFNSTRINGCAST wxFNCONV(dirname)) != 0 )
1209   #elif defined(__DJGPP__)
1210     if ( mkdir(wxFNCONV(dirname), perm) != 0 )
1211   #else
1212     #error "Unsupported DOS compiler!"
1213   #endif
1214 #else  // !MSW, !DOS and !OS/2 VAC++
1215     (void)perm;
1216     if ( wxMkDir(wxFNSTRINGCAST wxFNCONV(dirname)) != 0 )
1217 #endif // !MSW/MSW
1218     {
1219         wxLogSysError(_("Directory '%s' couldn't be created"), dirname);
1220
1221         return FALSE;
1222     }
1223
1224     return TRUE;
1225 #endif // Mac/!Mac
1226 }
1227
1228 bool wxRmdir(const wxString& dir, int WXUNUSED(flags))
1229 {
1230 #ifdef __VMS__
1231   return FALSE; //to be changed since rmdir exists in VMS7.x
1232 #elif defined(__WXPM__)
1233   return (::DosDeleteDir((PSZ)dir.c_str()) == 0);
1234 #else
1235
1236 #ifdef __SALFORDC__
1237   return FALSE; // What to do?
1238 #else
1239   return (wxRmDir(OS_FILENAME(dir)) == 0);
1240 #endif
1241
1242 #endif
1243 }
1244
1245 // does the path exists? (may have or not '/' or '\\' at the end)
1246 bool wxPathExists(const wxChar *pszPathName)
1247 {
1248     wxString strPath(pszPathName);
1249 #ifdef __WINDOWS__
1250     // Windows fails to find directory named "c:\dir\" even if "c:\dir" exists,
1251     // so remove all trailing backslashes from the path - but don't do this for
1252     // the pathes "d:\" (which are different from "d:") nor for just "\"
1253     while ( wxEndsWithPathSeparator(strPath) )
1254     {
1255         size_t len = strPath.length();
1256         if ( len == 1 || (len == 3 && strPath[len - 2] == _T(':')) )
1257             break;
1258
1259         strPath.Truncate(len - 1);
1260     }
1261 #endif // __WINDOWS__
1262
1263 #if defined(__WINDOWS__) && !defined(__WXMICROWIN__)
1264     // Stat can't cope with network paths
1265     DWORD ret = GetFileAttributes(strPath.c_str());
1266     DWORD isDir = (ret & FILE_ATTRIBUTE_DIRECTORY);
1267     return ((ret != 0xffffffff) && (isDir != 0));
1268 #else
1269
1270     wxStructStat st;
1271 #ifndef __VISAGECPP__
1272     return wxStat(wxFNSTRINGCAST strPath.fn_str(), &st) == 0 &&
1273         ((st.st_mode & S_IFMT) == S_IFDIR);
1274 #else
1275     // S_IFMT not supported in VA compilers.. st_mode is a 2byte value only
1276     return wxStat(wxFNSTRINGCAST strPath.fn_str(), &st) == 0 &&
1277         (st.st_mode == S_IFDIR);
1278 #endif
1279
1280 #endif
1281 }
1282
1283 // Get a temporary filename, opening and closing the file.
1284 wxChar *wxGetTempFileName(const wxString& prefix, wxChar *buf)
1285 {
1286     wxString filename = wxFileName::CreateTempFileName(prefix);
1287     if ( filename.empty() )
1288         return NULL;
1289
1290     if ( buf )
1291         wxStrcpy(buf, filename);
1292     else
1293         buf = copystring(filename);
1294
1295     return buf;
1296 }
1297
1298 bool wxGetTempFileName(const wxString& prefix, wxString& buf)
1299 {
1300     buf = wxFileName::CreateTempFileName(prefix);
1301
1302     return !buf.empty();
1303 }
1304
1305 // Get first file name matching given wild card.
1306
1307 static wxDir *gs_dir = NULL;
1308 static wxString gs_dirPath;
1309
1310 wxString wxFindFirstFile(const wxChar *spec, int flags)
1311 {
1312     gs_dirPath = wxPathOnly(spec);
1313     if ( gs_dirPath.IsEmpty() )
1314         gs_dirPath = wxT(".");
1315     if ( gs_dirPath.Last() != wxFILE_SEP_PATH )
1316         gs_dirPath << wxFILE_SEP_PATH;
1317
1318     if (gs_dir)
1319         delete gs_dir;
1320     gs_dir = new wxDir(gs_dirPath);
1321
1322     if ( !gs_dir->IsOpened() )
1323     {
1324         wxLogSysError(_("Can not enumerate files '%s'"), spec);
1325         return wxEmptyString;
1326     }
1327
1328     int dirFlags = 0;
1329     switch (flags)
1330     {
1331         case wxDIR:  dirFlags = wxDIR_DIRS; break;
1332         case wxFILE: dirFlags = wxDIR_FILES; break;
1333         default:     dirFlags = wxDIR_DIRS | wxDIR_FILES; break;
1334     }
1335
1336     wxString result;
1337     gs_dir->GetFirst(&result, wxFileNameFromPath(spec), dirFlags);
1338     if ( result.IsEmpty() )
1339     {
1340         wxDELETE(gs_dir);
1341         return result;
1342     }
1343
1344     return gs_dirPath + result;
1345 }
1346
1347 wxString wxFindNextFile()
1348 {
1349     wxASSERT_MSG( gs_dir, wxT("You must call wxFindFirstFile before!") );
1350
1351     wxString result;
1352     gs_dir->GetNext(&result);
1353
1354     if ( result.IsEmpty() )
1355     {
1356         wxDELETE(gs_dir);
1357         return result;
1358     }
1359
1360     return gs_dirPath + result;
1361 }
1362
1363
1364 // Get current working directory.
1365 // If buf is NULL, allocates space using new, else
1366 // copies into buf.
1367 wxChar *wxGetWorkingDirectory(wxChar *buf, int sz)
1368 {
1369   if (!buf)
1370     buf = new wxChar[sz+1];
1371 #if wxUSE_UNICODE
1372   char *cbuf = new char[sz+1];
1373 #ifdef _MSC_VER
1374   if (_getcwd(cbuf, sz) == NULL) {
1375 #elif defined(__WXMAC__) && !defined(__DARWIN__)
1376     enum
1377     {
1378         SFSaveDisk = 0x214, CurDirStore = 0x398
1379     };
1380     FSSpec cwdSpec ;
1381
1382     FSMakeFSSpec( - *(short *) SFSaveDisk , *(long *) CurDirStore , NULL , &cwdSpec ) ;
1383     wxString res = wxMacFSSpec2UnixFilename( &cwdSpec ) ;
1384     strcpy( buf , res ) ;
1385     if (0) {
1386 #else
1387   if (getcwd(cbuf, sz) == NULL) {
1388 #endif
1389     delete [] cbuf;
1390 #else // wxUnicode
1391 #ifdef _MSC_VER
1392   if (_getcwd(buf, sz) == NULL) {
1393 #elif defined(__WXMAC__) && !defined(__DARWIN__)
1394     FSSpec cwdSpec ;
1395     FCBPBRec pb;
1396     OSErr error;
1397     Str255  fileName ;
1398     pb.ioNamePtr = (StringPtr) &fileName;
1399     pb.ioVRefNum = 0;
1400     pb.ioRefNum = LMGetCurApRefNum();
1401     pb.ioFCBIndx = 0;
1402     error = PBGetFCBInfoSync(&pb);
1403     if ( error == noErr )
1404     {
1405         cwdSpec.vRefNum = pb.ioFCBVRefNum;
1406         cwdSpec.parID = pb.ioFCBParID;
1407         cwdSpec.name[0] = 0 ;
1408         wxString res = wxMacFSSpec2MacFilename( &cwdSpec ) ;
1409
1410         strcpy( buf , res ) ;
1411         buf[res.length()]=0 ;
1412     }
1413     else
1414         buf[0] = 0 ;
1415     /*
1416     this version will not always give back the application directory on mac
1417     enum
1418     {
1419         SFSaveDisk = 0x214, CurDirStore = 0x398
1420     };
1421     FSSpec cwdSpec ;
1422
1423     FSMakeFSSpec( - *(short *) SFSaveDisk , *(long *) CurDirStore , NULL , &cwdSpec ) ;
1424     wxString res = wxMacFSSpec2UnixFilename( &cwdSpec ) ;
1425     strcpy( buf , res ) ;
1426     */
1427     if (0) {
1428 #elif defined(__VISAGECPP__) || (defined (__OS2__) && defined (__WATCOMC__))
1429     APIRET rc;
1430     rc = ::DosQueryCurrentDir( 0 // current drive
1431                               ,buf
1432                               ,(PULONG)&sz
1433                              );
1434     if (rc != 0) {
1435 #else
1436   if (getcwd(buf, sz) == NULL) {
1437 #endif
1438 #endif
1439     buf[0] = wxT('.');
1440     buf[1] = wxT('\0');
1441   }
1442 #if wxUSE_UNICODE
1443   else {
1444     wxConvFile.MB2WC(buf, cbuf, sz);
1445     delete [] cbuf;
1446   }
1447 #endif
1448
1449 #ifdef __DJGPP__
1450   // VS: DJGPP is a strange mix of DOS and UNIX API and returns paths with
1451   //     / deliminers. We don't like that.
1452   for (wxChar *ch = buf; *ch; ch++)
1453     if (*ch == wxT('/')) *ch = wxT('\\');
1454 #endif
1455
1456   return buf;
1457 }
1458
1459 wxString wxGetCwd()
1460 {
1461     static const size_t maxPathLen = 1024;
1462
1463     wxString str;
1464     wxGetWorkingDirectory(str.GetWriteBuf(maxPathLen), maxPathLen);
1465     str.UngetWriteBuf();
1466
1467     return str;
1468 }
1469
1470 bool wxSetWorkingDirectory(const wxString& d)
1471 {
1472 #if defined(__UNIX__) || defined(__WXMAC__) || defined(__DOS__)
1473   return (chdir(wxFNSTRINGCAST d.fn_str()) == 0);
1474 #elif defined(__WXPM__)
1475   return (::DosSetCurrentDir((PSZ)d.c_str()) == 0);
1476 #elif defined(__WINDOWS__)
1477
1478 #ifdef __WIN32__
1479   return (bool)(SetCurrentDirectory(d) != 0);
1480 #else
1481   // Must change drive, too.
1482   bool isDriveSpec = ((strlen(d) > 1) && (d[1] == ':'));
1483   if (isDriveSpec)
1484   {
1485     wxChar firstChar = d[0];
1486
1487     // To upper case
1488     if (firstChar > 90)
1489       firstChar = firstChar - 32;
1490
1491     // To a drive number
1492     unsigned int driveNo = firstChar - 64;
1493     if (driveNo > 0)
1494     {
1495        unsigned int noDrives;
1496        _dos_setdrive(driveNo, &noDrives);
1497     }
1498   }
1499   bool success = (chdir(WXSTRINGCAST d) == 0);
1500
1501   return success;
1502 #endif
1503
1504 #endif
1505 }
1506
1507 // Get the OS directory if appropriate (such as the Windows directory).
1508 // On non-Windows platform, probably just return the empty string.
1509 wxString wxGetOSDirectory()
1510 {
1511 #if defined(__WINDOWS__) && !defined(__WXMICROWIN__)
1512     wxChar buf[256];
1513     GetWindowsDirectory(buf, 256);
1514     return wxString(buf);
1515 #else
1516     return wxEmptyString;
1517 #endif
1518 }
1519
1520 bool wxEndsWithPathSeparator(const wxChar *pszFileName)
1521 {
1522   size_t len = wxStrlen(pszFileName);
1523   if ( len == 0 )
1524     return FALSE;
1525   else
1526     return wxIsPathSeparator(pszFileName[len - 1]);
1527 }
1528
1529 // find a file in a list of directories, returns false if not found
1530 bool wxFindFileInPath(wxString *pStr, const wxChar *pszPath, const wxChar *pszFile)
1531 {
1532     // we assume that it's not empty
1533     wxCHECK_MSG( !wxIsEmpty(pszFile), FALSE,
1534                  _T("empty file name in wxFindFileInPath"));
1535
1536     // skip path separator in the beginning of the file name if present
1537     if ( wxIsPathSeparator(*pszFile) )
1538         pszFile++;
1539
1540     // copy the path (strtok will modify it)
1541     wxChar *szPath = new wxChar[wxStrlen(pszPath) + 1];
1542     wxStrcpy(szPath, pszPath);
1543
1544     wxString strFile;
1545     wxChar *pc, *save_ptr;
1546     for ( pc = wxStrtok(szPath, wxPATH_SEP, &save_ptr);
1547           pc != NULL;
1548           pc = wxStrtok((wxChar *) NULL, wxPATH_SEP, &save_ptr) )
1549     {
1550         // search for the file in this directory
1551         strFile = pc;
1552         if ( !wxEndsWithPathSeparator(pc) )
1553             strFile += wxFILE_SEP_PATH;
1554         strFile += pszFile;
1555
1556         if ( FileExists(strFile) ) {
1557             *pStr = strFile;
1558             break;
1559         }
1560     }
1561
1562     // suppress warning about unused variable save_ptr when wxStrtok() is a
1563     // macro which throws away its third argument
1564     save_ptr = pc;
1565
1566     delete [] szPath;
1567
1568     return pc != NULL;  // if true => we breaked from the loop
1569 }
1570
1571 void WXDLLEXPORT wxSplitPath(const wxChar *pszFileName,
1572                              wxString *pstrPath,
1573                              wxString *pstrName,
1574                              wxString *pstrExt)
1575 {
1576     // it can be empty, but it shouldn't be NULL
1577     wxCHECK_RET( pszFileName, wxT("NULL file name in wxSplitPath") );
1578
1579     wxFileName::SplitPath(pszFileName, pstrPath, pstrName, pstrExt);
1580 }
1581
1582 time_t WXDLLEXPORT wxFileModificationTime(const wxString& filename)
1583 {
1584     wxStructStat buf;
1585
1586     wxStat(filename.fn_str(), &buf);
1587     return buf.st_mtime;
1588 }
1589
1590
1591 //------------------------------------------------------------------------
1592 // wild character routines
1593 //------------------------------------------------------------------------
1594
1595 bool wxIsWild( const wxString& pattern )
1596 {
1597   wxString tmp = pattern;
1598   wxChar *pat = WXSTRINGCAST(tmp);
1599     while (*pat) {
1600         switch (*pat++) {
1601         case wxT('?'): case wxT('*'): case wxT('['): case wxT('{'):
1602             return TRUE;
1603         case wxT('\\'):
1604             if (!*pat++)
1605                 return FALSE;
1606         }
1607     }
1608     return FALSE;
1609 };
1610
1611 bool wxMatchWild( const wxString& pat, const wxString& text, bool dot_special )
1612
1613 #if defined(HAVE_FNMATCH_H)
1614 {
1615 // this probably won't work well for multibyte chars in Unicode mode?
1616    if(dot_special)
1617       return fnmatch(pat.fn_str(), text.fn_str(), FNM_PERIOD) == 0;
1618    else
1619       return fnmatch(pat.fn_str(), text.fn_str(), 0) == 0;
1620 }
1621 #else
1622
1623 // #pragma error Broken implementation of wxMatchWild() -- needs fixing!
1624
1625    /*
1626     * WARNING: this code is broken!
1627     */
1628 {
1629   wxString tmp1 = pat;
1630   wxChar *pattern = WXSTRINGCAST(tmp1);
1631   wxString tmp2 = text;
1632   wxChar *str = WXSTRINGCAST(tmp2);
1633     wxChar c;
1634     wxChar *cp;
1635     bool done = FALSE, ret_code, ok;
1636     // Below is for vi fans
1637     const wxChar OB = wxT('{'), CB = wxT('}');
1638
1639     // dot_special means '.' only matches '.'
1640     if (dot_special && *str == wxT('.') && *pattern != *str)
1641         return FALSE;
1642
1643     while ((*pattern != wxT('\0')) && (!done)
1644     && (((*str==wxT('\0'))&&((*pattern==OB)||(*pattern==wxT('*'))))||(*str!=wxT('\0')))) {
1645         switch (*pattern) {
1646         case wxT('\\'):
1647             pattern++;
1648             if (*pattern != wxT('\0'))
1649                 pattern++;
1650             break;
1651         case wxT('*'):
1652             pattern++;
1653             ret_code = FALSE;
1654             while ((*str!=wxT('\0'))
1655             && ((ret_code=wxMatchWild(pattern, str++, FALSE)) == 0))
1656                 /*loop*/;
1657             if (ret_code) {
1658                 while (*str != wxT('\0'))
1659                     str++;
1660                 while (*pattern != wxT('\0'))
1661                     pattern++;
1662             }
1663             break;
1664         case wxT('['):
1665             pattern++;
1666           repeat:
1667             if ((*pattern == wxT('\0')) || (*pattern == wxT(']'))) {
1668                 done = TRUE;
1669                 break;
1670             }
1671             if (*pattern == wxT('\\')) {
1672                 pattern++;
1673                 if (*pattern == wxT('\0')) {
1674                     done = TRUE;
1675                     break;
1676                 }
1677             }
1678             if (*(pattern + 1) == wxT('-')) {
1679                 c = *pattern;
1680                 pattern += 2;
1681                 if (*pattern == wxT(']')) {
1682                     done = TRUE;
1683                     break;
1684                 }
1685                 if (*pattern == wxT('\\')) {
1686                     pattern++;
1687                     if (*pattern == wxT('\0')) {
1688                         done = TRUE;
1689                         break;
1690                     }
1691                 }
1692                 if ((*str < c) || (*str > *pattern)) {
1693                     pattern++;
1694                     goto repeat;
1695                 }
1696             } else if (*pattern != *str) {
1697                 pattern++;
1698                 goto repeat;
1699             }
1700             pattern++;
1701             while ((*pattern != wxT(']')) && (*pattern != wxT('\0'))) {
1702                 if ((*pattern == wxT('\\')) && (*(pattern + 1) != wxT('\0')))
1703                     pattern++;
1704                 pattern++;
1705             }
1706             if (*pattern != wxT('\0')) {
1707                 pattern++, str++;
1708             }
1709             break;
1710         case wxT('?'):
1711             pattern++;
1712             str++;
1713             break;
1714         case OB:
1715             pattern++;
1716             while ((*pattern != CB) && (*pattern != wxT('\0'))) {
1717                 cp = str;
1718                 ok = TRUE;
1719                 while (ok && (*cp != wxT('\0')) && (*pattern != wxT('\0'))
1720                 &&  (*pattern != wxT(',')) && (*pattern != CB)) {
1721                     if (*pattern == wxT('\\'))
1722                         pattern++;
1723                     ok = (*pattern++ == *cp++);
1724                 }
1725                 if (*pattern == wxT('\0')) {
1726                     ok = FALSE;
1727                     done = TRUE;
1728                     break;
1729                 } else if (ok) {
1730                     str = cp;
1731                     while ((*pattern != CB) && (*pattern != wxT('\0'))) {
1732                         if (*++pattern == wxT('\\')) {
1733                             if (*++pattern == CB)
1734                                 pattern++;
1735                         }
1736                     }
1737                 } else {
1738                     while (*pattern!=CB && *pattern!=wxT(',') && *pattern!=wxT('\0')) {
1739                         if (*++pattern == wxT('\\')) {
1740                             if (*++pattern == CB || *pattern == wxT(','))
1741                                 pattern++;
1742                         }
1743                     }
1744                 }
1745                 if (*pattern != wxT('\0'))
1746                     pattern++;
1747             }
1748             break;
1749         default:
1750             if (*str == *pattern) {
1751                 str++, pattern++;
1752             } else {
1753                 done = TRUE;
1754             }
1755         }
1756     }
1757     while (*pattern == wxT('*'))
1758         pattern++;
1759     return ((*str == wxT('\0')) && (*pattern == wxT('\0')));
1760 };
1761
1762 #endif
1763
1764 #ifdef __VISUALC__
1765     #pragma warning(default:4706)   // assignment within conditional expression
1766 #endif // VC++
1767
1768 //------------------------------------------------------------------------
1769 // Missing functions in Unicode for Win9x
1770 //------------------------------------------------------------------------
1771
1772 // NB: MSLU only covers Win32 API, it doesn't provide Unicode implementation of
1773 //     libc functions. Unfortunately, some of MSVCRT wchar_t functions
1774 //     (e.g. _wopen) don't work on Windows 9x, so we have to workaround it
1775 //     by calling the char version. We still want to use wchar_t version on
1776 //     NT/2000/XP, though, because they allow for Unicode file names.
1777 #if wxUSE_UNICODE_MSLU
1778
1779     #if defined( __VISUALC__ ) \
1780         || ( defined(__MINGW32__) && wxCHECK_W32API_VERSION( 0, 5 ) ) \
1781         || ( defined(__MWERKS__) && defined(__WXMSW__) )
1782     WXDLLEXPORT int wxOpen(const wxChar *name, int flags, int mode)
1783     {
1784         if ( wxGetOsVersion() == wxWINDOWS_NT )
1785             return _wopen(name, flags, mode);
1786         else
1787             return _open(wxConvFile.cWX2MB(name), flags, mode);
1788     }
1789     #endif
1790
1791 #endif // wxUSE_UNICODE_MSLU