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
  35 // there are just too many of those...
  36 #ifdef __VISUALC__
  37     #pragma warning(disable:4706)   // assignment within conditional expression
  38 #endif // VC++
  39
  40 #include <ctype.h>
  41 #include <stdio.h>
  42 #include <stdlib.h>
  43 #include <string.h>
  44 #if !defined(__WATCOMC__)
  45     #if !(defined(_MSC_VER) && (_MSC_VER > 800))
  46         #include <errno.h>
  47     #endif
  48 #endif
  49
  50 #include <time.h>
  51
  52 #ifndef __MWERKS__
  53     #include <sys/types.h>
  54     #include <sys/stat.h>
  55 #else
  56     #include <stat.h>
  57     #include <unistd.h>
  58 #endif
  59
  60 #ifdef __UNIX__
  61     #include <unistd.h>
  62     #include <dirent.h>
  63 #endif
  64
  65 #ifdef __WXPM__
  66     #include <process.h>
  67     #include "wx/os2/private.h"
  68 #endif
  69 #ifdef __WINDOWS__
  70 #if !defined( __GNUWIN32__ ) && !defined( __MWERKS__ ) && !defined(__SALFORDC__)
  71     #include <direct.h>
  72     #include <dos.h>
  73 #endif // __WINDOWS__
  74 #endif // native Win compiler
  75
  76 #ifdef __GNUWIN32__
  77     #ifndef __TWIN32__
  78         #include <sys/unistd.h>
  79     #endif
  80 #endif
  81
  82 #ifdef __BORLANDC__ // Please someone tell me which version of Borland needs
  83                     // this (3.1 I believe) and how to test for it.
  84                     // If this works for Borland 4.0 as well, then no worries.
  85     #include <dir.h>
  86 #endif
  87
  88 #ifdef __SALFORDC__
  89     #include <dir.h>
  90     #include <unix.h>
  91 #endif
  92
  93 #include "wx/setup.h"
  94 #include "wx/log.h"
  95
  96 // No, Cygwin doesn't appear to have fnmatch.h after all.
  97 #if defined(HAVE_FNMATCH_H)
  98     #include "fnmatch.h"
  99 #endif
 100
 101 #ifdef __WINDOWS__
 102     #include "windows.h"
 103 #endif
 104
 105 // ----------------------------------------------------------------------------
 106 // constants
 107 // ----------------------------------------------------------------------------
 108
 109 #define _MAXPATHLEN 500
 110
 111 extern wxChar *wxBuffer;
 112
 113 #ifdef __WXMAC__
 114
 115 #include "morefile.h"
 116 #include "moreextr.h"
 117 #include "fullpath.h"
 118 #include "fspcompa.h"
 119 #endif
 120
 121     IMPLEMENT_DYNAMIC_CLASS(wxPathList, wxStringList)
 122
 123 // ----------------------------------------------------------------------------
 124 // private globals
 125 // ----------------------------------------------------------------------------
 126
 127 static wxChar wxFileFunctionsBuffer[4*_MAXPATHLEN];
 128
 129 #if defined(__VISAGECPP__) && __IBMCPP__ >= 400
 130 //
 131 // VisualAge C++ V4.0 cannot have any external linkage const decs
 132 // in headers included by more than one primary source
 133 //
 134 const off_t wxInvalidOffset = (off_t)-1;
 135 #endif
 136
 137 // ============================================================================
 138 // implementation
 139 // ============================================================================
 140
 141 void wxPathList::Add (const wxString& path)
 142 {
 143     wxStringList::Add (WXSTRINGCAST path);
 144 }
 145
 146 // Add paths e.g. from the PATH environment variable
 147 void wxPathList::AddEnvList (const wxString& envVariable)
 148 {
 149   static const wxChar PATH_TOKS[] =
 150 #ifdef __WINDOWS__
 151         wxT(" ;"); // Don't seperate with colon in DOS (used for drive)
 152 #else
 153         wxT(" :;");
 154 #endif
 155
 156   wxChar *val = wxGetenv (WXSTRINGCAST envVariable);
 157   if (val && *val)
 158     {
 159       wxChar *s = copystring (val);
 160       wxChar *save_ptr, *token = wxStrtok (s, PATH_TOKS, &save_ptr);
 161
 162       if (token)
 163       {
 164           Add (copystring (token));
 165           while (token)
 166           {
 167               if ((token = wxStrtok ((wxChar *) NULL, PATH_TOKS, &save_ptr)) != NULL)
 168                   Add (wxString(token));
 169           }
 170       }
 171
 172       // suppress warning about unused variable save_ptr when wxStrtok() is a
 173       // macro which throws away its third argument
 174       save_ptr = token;
 175
 176       delete [] s;
 177     }
 178 }
 179
 180 // Given a full filename (with path), ensure that that file can
 181 // be accessed again USING FILENAME ONLY by adding the path
 182 // to the list if not already there.
 183 void wxPathList::EnsureFileAccessible (const wxString& path)
 184 {
 185     wxString path_only(wxPathOnly(path));
 186     if ( !path_only.IsEmpty() )
 187     {
 188         if ( !Member(path_only) )
 189             Add(path_only);
 190     }
 191 }
 192
 193 bool wxPathList::Member (const wxString& path)
 194 {
 195   for (wxNode * node = First (); node != NULL; node = node->Next ())
 196   {
 197       wxString path2((wxChar *) node->Data ());
 198       if (
 199 #if defined(__WINDOWS__) || defined(__VMS__) || defined (__WXMAC__)
 200       // Case INDEPENDENT
 201           path.CompareTo (path2, wxString::ignoreCase) == 0
 202 #else
 203       // Case sensitive File System
 204           path.CompareTo (path2) == 0
 205 #endif
 206         )
 207         return TRUE;
 208   }
 209   return FALSE;
 210 }
 211
 212 wxString wxPathList::FindValidPath (const wxString& file)
 213 {
 214   if (wxFileExists (wxExpandPath(wxFileFunctionsBuffer, file)))
 215     return wxString(wxFileFunctionsBuffer);
 216
 217   wxChar buf[_MAXPATHLEN];
 218   wxStrcpy(buf, wxFileFunctionsBuffer);
 219
 220   wxChar *filename = (wxChar*) NULL; /* shut up buggy egcs warning */
 221   filename = IsAbsolutePath (buf) ? wxFileNameFromPath (buf) : (wxChar *)buf;
 222
 223   for (wxNode * node = First (); node; node = node->Next ())
 224     {
 225       wxChar *path = (wxChar *) node->Data ();
 226       wxStrcpy (wxFileFunctionsBuffer, path);
 227       wxChar ch = wxFileFunctionsBuffer[wxStrlen(wxFileFunctionsBuffer)-1];
 228       if (ch != wxT('\\') && ch != wxT('/'))
 229         wxStrcat (wxFileFunctionsBuffer, wxT("/"));
 230       wxStrcat (wxFileFunctionsBuffer, filename);
 231 #ifdef __WINDOWS__
 232       Unix2DosFilename (wxFileFunctionsBuffer);
 233 #endif
 234       if (wxFileExists (wxFileFunctionsBuffer))
 235       {
 236         return wxString(wxFileFunctionsBuffer);        // Found!
 237       }
 238     }                                // for()
 239
 240   return wxString(wxT(""));                    // Not found
 241 }
 242
 243 wxString wxPathList::FindAbsoluteValidPath (const wxString& file)
 244 {
 245     wxString f = FindValidPath(file);
 246     if ( wxIsAbsolutePath(f) )
 247         return f;
 248
 249     wxString buf;
 250     wxGetWorkingDirectory(buf.GetWriteBuf(_MAXPATHLEN), _MAXPATHLEN - 1);
 251     buf.UngetWriteBuf();
 252     if ( !wxEndsWithPathSeparator(buf) )
 253     {
 254         buf += wxFILE_SEP_PATH;
 255     }
 256     buf += f;
 257
 258     return buf;
 259 }
 260
 261 bool
 262 wxFileExists (const wxString& filename)
 263 {
 264 #ifdef __GNUWIN32__ // (fix a B20 bug)
 265   if (GetFileAttributes(filename) == 0xFFFFFFFF)
 266     return FALSE;
 267   else
 268     return TRUE;
 269 #elif defined(__WXMAC__)
 270           struct stat stbuf;
 271         if (filename && stat (wxUnix2MacFilename(filename), &stbuf) == 0 )
 272           return TRUE;
 273     return FALSE ;
 274 #else
 275
 276   wxStructStat stbuf;
 277   if ((filename != wxT("")) && wxStat (wxFNSTRINGCAST filename.fn_str(), &stbuf) == 0)
 278     return TRUE;
 279
 280   return FALSE;
 281 #endif
 282 }
 283
 284 /* Vadim's alternative implementation
 285
 286 // does the file exist?
 287 bool wxFileExists(const char *pszFileName)
 288 {
 289   struct stat st;
 290   return !access(pszFileName, 0) &&
 291          !stat(pszFileName, &st) &&
 292          (st.st_mode & S_IFREG);
 293 }
 294 */
 295
 296 bool
 297 wxIsAbsolutePath (const wxString& filename)
 298 {
 299   if (filename != wxT(""))
 300     {
 301       if (filename[0] == wxT('/')
 302 #ifdef __VMS__
 303       || (filename[0] == wxT('[') && filename[1] != wxT('.'))
 304 #endif
 305 #ifdef __WINDOWS__
 306       /* MSDOS */
 307       || filename[0] == wxT('\\') || (wxIsalpha (filename[0]) && filename[1] == wxT(':'))
 308 #endif
 309         )
 310         return TRUE;
 311     }
 312   return FALSE;
 313 }
 314
 315 /*
 316  * Strip off any extension (dot something) from end of file,
 317  * IF one exists. Inserts zero into buffer.
 318  *
 319  */
 320
 321 void wxStripExtension(wxChar *buffer)
 322 {
 323   int len = wxStrlen(buffer);
 324   int i = len-1;
 325   while (i > 0)
 326   {
 327     if (buffer[i] == wxT('.'))
 328     {
 329       buffer[i] = 0;
 330       break;
 331     }
 332     i --;
 333   }
 334 }
 335
 336 void wxStripExtension(wxString& buffer)
 337 {
 338   size_t len = buffer.Length();
 339   size_t i = len-1;
 340   while (i > 0)
 341   {
 342     if (buffer.GetChar(i) == wxT('.'))
 343     {
 344       buffer = buffer.Left(i);
 345       break;
 346     }
 347     i --;
 348   }
 349 }
 350
 351 // Destructive removal of /./ and /../ stuff
 352 wxChar *wxRealPath (wxChar *path)
 353 {
 354 #ifdef __WXMSW__
 355   static const wxChar SEP = wxT('\\');
 356   Unix2DosFilename(path);
 357 #else
 358   static const wxChar SEP = wxT('/');
 359 #endif
 360   if (path[0] && path[1]) {
 361     /* MATTHEW: special case "/./x" */
 362     wxChar *p;
 363     if (path[2] == SEP && path[1] == wxT('.'))
 364       p = &path[0];
 365     else
 366       p = &path[2];
 367     for (; *p; p++)
 368       {
 369         if (*p == SEP)
 370           {
 371             if (p[1] == wxT('.') && p[2] == wxT('.') && (p[3] == SEP || p[3] == wxT('\0')))
 372               {
 373                 wxChar *q;
 374                 for (q = p - 1; q >= path && *q != SEP; q--);
 375                 if (q[0] == SEP && (q[1] != wxT('.') || q[2] != wxT('.') || q[3] != SEP)
 376                     && (q - 1 <= path || q[-1] != SEP))
 377                   {
 378                     wxStrcpy (q, p + 3);
 379                     if (path[0] == wxT('\0'))
 380                       {
 381                         path[0] = SEP;
 382                         path[1] = wxT('\0');
 383                       }
 384 #ifdef __WXMSW__
 385                     /* Check that path[2] is NULL! */
 386                     else if (path[1] == wxT(':') && !path[2])
 387                       {
 388                         path[2] = SEP;
 389                         path[3] = wxT('\0');
 390                       }
 391 #endif
 392                     p = q - 1;
 393                   }
 394               }
 395             else if (p[1] == wxT('.') && (p[2] == SEP || p[2] == wxT('\0')))
 396               wxStrcpy (p, p + 2);
 397           }
 398       }
 399   }
 400   return path;
 401 }
 402
 403 // Must be destroyed
 404 wxChar *wxCopyAbsolutePath(const wxString& filename)
 405 {
 406   if (filename == wxT(""))
 407     return (wxChar *) NULL;
 408
 409   if (! IsAbsolutePath(wxExpandPath(wxFileFunctionsBuffer, filename))) {
 410     wxChar  buf[_MAXPATHLEN];
 411     buf[0] = wxT('\0');
 412     wxGetWorkingDirectory(buf, WXSIZEOF(buf));
 413     wxChar ch = buf[wxStrlen(buf) - 1];
 414 #ifdef __WXMSW__
 415     if (ch != wxT('\\') && ch != wxT('/'))
 416         wxStrcat(buf, wxT("\\"));
 417 #else
 418     if (ch != wxT('/'))
 419         wxStrcat(buf, wxT("/"));
 420 #endif
 421     wxStrcat(buf, wxFileFunctionsBuffer);
 422     return copystring( wxRealPath(buf) );
 423   }
 424   return copystring( wxFileFunctionsBuffer );
 425 }
 426
 427 /*-
 428  Handles:
 429    ~/ => home dir
 430    ~user/ => user's home dir
 431    If the environment variable a = "foo" and b = "bar" then:
 432    Unix:
 433         $a        =>        foo
 434         $a$b        =>        foobar
 435         $a.c        =>        foo.c
 436         xxx$a        =>        xxxfoo
 437         ${a}!        =>        foo!
 438         $(b)!        =>        bar!
 439         \$a        =>        \$a
 440    MSDOS:
 441         $a        ==>        $a
 442         $(a)        ==>        foo
 443         $(a)$b        ==>        foo$b
 444         $(a)$(b)==>        foobar
 445         test.$$        ==>        test.$$
 446  */
 447
 448 /* input name in name, pathname output to buf. */
 449
 450 wxChar *wxExpandPath(wxChar *buf, const wxChar *name)
 451 {
 452     register wxChar *d, *s, *nm;
 453     wxChar          lnm[_MAXPATHLEN];
 454     int                                q;
 455
 456     // Some compilers don't like this line.
 457 //    const wxChar    trimchars[] = wxT("\n \t");
 458
 459     wxChar      trimchars[4];
 460     trimchars[0] = wxT('\n');
 461     trimchars[1] = wxT(' ');
 462     trimchars[2] = wxT('\t');
 463     trimchars[3] = 0;
 464
 465 #ifdef __WXMSW__
 466      const wxChar     SEP = wxT('\\');
 467 #else
 468      const wxChar     SEP = wxT('/');
 469 #endif
 470     buf[0] = wxT('\0');
 471     if (name == NULL || *name == wxT('\0'))
 472         return buf;
 473     nm = copystring(name); // Make a scratch copy
 474     wxChar *nm_tmp = nm;
 475
 476     /* Skip leading whitespace and cr */
 477     while (wxStrchr((wxChar *)trimchars, *nm) != NULL)
 478         nm++;
 479     /* And strip off trailing whitespace and cr */
 480     s = nm + (q = wxStrlen(nm)) - 1;
 481     while (q-- && wxStrchr((wxChar *)trimchars, *s) != NULL)
 482         *s = wxT('\0');
 483
 484     s = nm;
 485     d = lnm;
 486 #ifdef __WXMSW__
 487     q = FALSE;
 488 #else
 489     q = nm[0] == wxT('\\') && nm[1] == wxT('~');
 490 #endif
 491
 492     /* Expand inline environment variables */
 493 #ifdef __VISAGECPP__
 494     while (*d)
 495     {
 496       *d++ = *s;
 497       if(*s == wxT('\\'))
 498       {
 499         *(d - 1) = *++s;
 500         if (*d)
 501         {
 502           s++;
 503           continue;
 504         }
 505         else
 506            break;
 507       }
 508       else
 509 #else
 510     while ((*d++ = *s)) {
 511 #  ifndef __WXMSW__
 512         if (*s == wxT('\\')) {
 513             if ((*(d - 1) = *++s)) {
 514                 s++;
 515                 continue;
 516             } else
 517                 break;
 518         } else
 519 #  endif
 520 #endif
 521 #ifdef __WXMSW__
 522         if (*s++ == wxT('$') && (*s == wxT('{') || *s == wxT(')')))
 523 #else
 524         if (*s++ == wxT('$'))
 525 #endif
 526         {
 527             register wxChar  *start = d;
 528             register int     braces = (*s == wxT('{') || *s == wxT('('));
 529             register wxChar  *value;
 530 #ifdef __VISAGECPP__
 531     // VA gives assignment in logical expr warning
 532             while (*d)
 533                *d++ = *s;
 534 #else
 535             while ((*d++ = *s))
 536 #endif
 537                 if (braces ? (*s == wxT('}') || *s == wxT(')')) : !(wxIsalnum(*s) || *s == wxT('_')) )
 538                     break;
 539                 else
 540                     s++;
 541             *--d = 0;
 542             value = wxGetenv(braces ? start + 1 : start);
 543             if (value) {
 544 #ifdef __VISAGECPP__
 545     // VA gives assignment in logical expr warning
 546                 for ((d = start - 1); (*d); *d++ = *value++);
 547 #else
 548                 for ((d = start - 1); (*d++ = *value++););
 549 #endif
 550                 d--;
 551                 if (braces && *s)
 552                     s++;
 553             }
 554         }
 555     }
 556
 557     /* Expand ~ and ~user */
 558     nm = lnm;
 559     s = wxT("");
 560     if (nm[0] == wxT('~') && !q)
 561     {
 562         /* prefix ~ */
 563         if (nm[1] == SEP || nm[1] == 0)
 564         {        /* ~/filename */
 565         // FIXME: wxGetUserHome could return temporary storage in Unicode mode
 566             if ((s = WXSTRINGCAST wxGetUserHome(wxT(""))) != NULL) {
 567                 if (*++nm)
 568                     nm++;
 569             }
 570         } else
 571         {                /* ~user/filename */
 572             register wxChar  *nnm;
 573             register wxChar  *home;
 574             for (s = nm; *s && *s != SEP; s++);
 575             int was_sep; /* MATTHEW: Was there a separator, or NULL? */
 576             was_sep = (*s == SEP);
 577             nnm = *s ? s + 1 : s;
 578             *s = 0;
 579         // FIXME: wxGetUserHome could return temporary storage in Unicode mode
 580             if ((home = WXSTRINGCAST wxGetUserHome(wxString(nm + 1))) == NULL) {
 581                if (was_sep) /* replace only if it was there: */
 582                    *s = SEP;
 583                 s = wxT("");
 584             } else {
 585                 nm = nnm;
 586                 s = home;
 587             }
 588         }
 589     }
 590
 591     d = buf;
 592     if (s && *s) { /* MATTHEW: s could be NULL if user '~' didn't exist */
 593         /* Copy home dir */
 594         while (wxT('\0') != (*d++ = *s++))
 595           /* loop */;
 596         // Handle root home
 597         if (d - 1 > buf && *(d - 2) != SEP)
 598           *(d - 1) = SEP;
 599     }
 600     s = nm;
 601 #ifdef __VISAGECPP__
 602     // VA gives assignment in logical expr warning
 603     while (*d)
 604        *d++ = *s++;
 605 #else
 606     while ((*d++ = *s++));
 607 #endif
 608     delete[] nm_tmp; // clean up alloc
 609     /* Now clean up the buffer */
 610     return wxRealPath(buf);
 611 }
 612
 613 /* Contract Paths to be build upon an environment variable
 614    component:
 615
 616    example: "/usr/openwin/lib", OPENWINHOME --> ${OPENWINHOME}/lib
 617
 618    The call wxExpandPath can convert these back!
 619  */
 620 wxChar *
 621 wxContractPath (const wxString& filename, const wxString& envname, const wxString& user)
 622 {
 623   static wxChar dest[_MAXPATHLEN];
 624
 625   if (filename == wxT(""))
 626     return (wxChar *) NULL;
 627
 628   wxStrcpy (dest, WXSTRINGCAST filename);
 629 #ifdef __WXMSW__
 630   Unix2DosFilename(dest);
 631 #endif
 632
 633   // Handle environment
 634   const wxChar *val = (const wxChar *) NULL;
 635   wxChar *tcp = (wxChar *) NULL;
 636   if (envname != WXSTRINGCAST NULL && (val = wxGetenv (WXSTRINGCAST envname)) != NULL &&
 637      (tcp = wxStrstr (dest, val)) != NULL)
 638     {
 639         wxStrcpy (wxFileFunctionsBuffer, tcp + wxStrlen (val));
 640         *tcp++ = wxT('$');
 641         *tcp++ = wxT('{');
 642         wxStrcpy (tcp, WXSTRINGCAST envname);
 643         wxStrcat (tcp, wxT("}"));
 644         wxStrcat (tcp, wxFileFunctionsBuffer);
 645     }
 646
 647   // Handle User's home (ignore root homes!)
 648   size_t len = 0;
 649   if ((val = wxGetUserHome (user)) != NULL &&
 650       (len = wxStrlen(val)) > 2 &&
 651       wxStrncmp(dest, val, len) == 0)
 652     {
 653       wxStrcpy(wxFileFunctionsBuffer, wxT("~"));
 654       if (user != wxT(""))
 655              wxStrcat(wxFileFunctionsBuffer, (const wxChar*) user);
 656 #ifdef __WXMSW__
 657 //      strcat(wxFileFunctionsBuffer, "\\");
 658 #else
 659 //      strcat(wxFileFunctionsBuffer, "/");
 660 #endif
 661       wxStrcat(wxFileFunctionsBuffer, dest + len);
 662       wxStrcpy (dest, wxFileFunctionsBuffer);
 663     }
 664
 665   return dest;
 666 }
 667
 668 // Return just the filename, not the path
 669 // (basename)
 670 wxChar *wxFileNameFromPath (wxChar *path)
 671 {
 672   if (path)
 673     {
 674       register wxChar *tcp;
 675
 676       tcp = path + wxStrlen (path);
 677       while (--tcp >= path)
 678         {
 679           if (*tcp == wxT('/') || *tcp == wxT('\\')
 680 #ifdef __VMS__
 681      || *tcp == wxT(':') || *tcp == wxT(']'))
 682 #else
 683      )
 684 #endif
 685             return tcp + 1;
 686         }                        /* while */
 687 #if defined(__WXMSW__) || defined(__WXPM__)
 688       if (wxIsalpha (*path) && *(path + 1) == wxT(':'))
 689         return path + 2;
 690 #endif
 691     }
 692   return path;
 693 }
 694
 695 wxString wxFileNameFromPath (const wxString& path1)
 696 {
 697   if (path1 != wxT(""))
 698   {
 699
 700       wxChar *path = WXSTRINGCAST path1 ;
 701       register wxChar *tcp;
 702
 703       tcp = path + wxStrlen (path);
 704       while (--tcp >= path)
 705           {
 706             if (*tcp == wxT('/') || *tcp == wxT('\\')
 707 #ifdef __VMS__
 708         || *tcp == wxT(':') || *tcp == wxT(']'))
 709 #else
 710         )
 711 #endif
 712                 return wxString(tcp + 1);
 713             }                        /* while */
 714 #if defined(__WXMSW__) || defined(__WXPM__)
 715       if (wxIsalpha (*path) && *(path + 1) == wxT(':'))
 716             return wxString(path + 2);
 717 #endif
 718     }
 719   // Yes, this should return the path, not an empty string, otherwise
 720   // we get "thing.txt" -> "".
 721   return path1;
 722 }
 723
 724 // Return just the directory, or NULL if no directory
 725 wxChar *
 726 wxPathOnly (wxChar *path)
 727 {
 728   if (path && *path)
 729     {
 730       static wxChar buf[_MAXPATHLEN];
 731
 732       // Local copy
 733       wxStrcpy (buf, path);
 734
 735       int l = wxStrlen(path);
 736       bool done = FALSE;
 737
 738       int i = l - 1;
 739
 740       // Search backward for a backward or forward slash
 741       while (!done && i > -1)
 742       {
 743         // ] is for VMS
 744         if (path[i] == wxT('/') || path[i] == wxT('\\') || path[i] == wxT(']'))
 745         {
 746           done = TRUE;
 747 #ifdef __VMS__
 748           buf[i+1] = 0;
 749 #else
 750           buf[i] = 0;
 751 #endif
 752
 753           return buf;
 754         }
 755         else i --;
 756       }
 757
 758 #if defined(__WXMSW__) || defined(__WXPM__)
 759       // Try Drive specifier
 760       if (wxIsalpha (buf[0]) && buf[1] == wxT(':'))
 761         {
 762           // A:junk --> A:. (since A:.\junk Not A:\junk)
 763           buf[2] = wxT('.');
 764           buf[3] = wxT('\0');
 765           return buf;
 766         }
 767 #endif
 768     }
 769
 770   return (wxChar *) NULL;
 771 }
 772
 773 // Return just the directory, or NULL if no directory
 774 wxString wxPathOnly (const wxString& path)
 775 {
 776   if (path != wxT(""))
 777     {
 778       wxChar buf[_MAXPATHLEN];
 779
 780       // Local copy
 781       wxStrcpy (buf, WXSTRINGCAST path);
 782
 783       int l = path.Length();
 784       bool done = FALSE;
 785
 786       int i = l - 1;
 787
 788       // Search backward for a backward or forward slash
 789       while (!done && i > -1)
 790       {
 791         // ] is for VMS
 792         if (path[i] == wxT('/') || path[i] == wxT('\\') || path[i] == wxT(']'))
 793         {
 794           done = TRUE;
 795 #ifdef __VMS__
 796           buf[i+1] = 0;
 797 #else
 798           buf[i] = 0;
 799 #endif
 800
 801           return wxString(buf);
 802         }
 803         else i --;
 804       }
 805
 806 #if defined(__WXMSW__) || defined(__WXPM__)
 807       // Try Drive specifier
 808       if (wxIsalpha (buf[0]) && buf[1] == wxT(':'))
 809         {
 810           // A:junk --> A:. (since A:.\junk Not A:\junk)
 811           buf[2] = wxT('.');
 812           buf[3] = wxT('\0');
 813           return wxString(buf);
 814         }
 815 #endif
 816     }
 817
 818   return wxString(wxT(""));
 819 }
 820
 821 // Utility for converting delimiters in DOS filenames to UNIX style
 822 // and back again - or we get nasty problems with delimiters.
 823 // Also, convert to lower case, since case is significant in UNIX.
 824
 825 #ifdef __WXMAC__
 826
 827 static char sMacFileNameConversion[ 1000 ] ;
 828
 829 wxString wxMac2UnixFilename (const char *str)
 830 {
 831     char *s = sMacFileNameConversion ;
 832     strcpy( s , str ) ;
 833   if (s)
 834   {
 835     memmove( s+1 , s ,strlen( s ) + 1) ;
 836     if ( *s == ':' )
 837             *s = '.' ;
 838     else
 839             *s = '/' ;
 840
 841     while (*s)
 842     {
 843             if (*s == ':')
 844               *s = '/';
 845             else
 846               *s = wxTolower (*s);        // Case INDEPENDENT
 847             s++;
 848     }
 849   }
 850   return wxString (sMacFileNameConversion) ;
 851 }
 852
 853 wxString wxUnix2MacFilename (const char *str)
 854 {
 855     char *s = sMacFileNameConversion ;
 856     strcpy( s , str ) ;
 857   if (s)
 858   {
 859     if ( *s == '.' )
 860     {
 861       // relative path , since it goes on with slash which is translated to a :
 862       memmove( s , s+1 ,strlen( s ) ) ;
 863     }
 864     else if ( *s == '/' )
 865     {
 866       // absolute path -> on mac just start with the drive name
 867       memmove( s , s+1 ,strlen( s ) ) ;
 868     }
 869     else
 870     {
 871       wxASSERT_MSG( 1 , "unkown path beginning" ) ;
 872     }
 873     while (*s)
 874     {
 875       if (*s == '/' || *s == '\\')
 876       {
 877           // convert any back-directory situations
 878           if ( *(s+1) == '.' && *(s+2) == '.' && ( (*(s+3) == '/' || *(s+3) == '\\') ) )
 879           {
 880           *s = ':';
 881                 memmove( s+1 , s+3 ,strlen( s+3 ) + 1 ) ;
 882           }
 883           else
 884           *s = ':';
 885       }
 886
 887       s++ ;
 888     }
 889   }
 890   return wxString (sMacFileNameConversion) ;
 891 }
 892
 893 wxString wxMacFSSpec2MacFilename( const FSSpec *spec )
 894 {
 895     Handle    myPath ;
 896     short     length ;
 897
 898     FSpGetFullPath( spec , &length , &myPath ) ;
 899     ::SetHandleSize( myPath , length + 1 ) ;
 900     ::HLock( myPath ) ;
 901     (*myPath)[length] = 0 ;
 902     if ( length > 0 && (*myPath)[length-1] ==':' )
 903         (*myPath)[length-1] = 0 ;
 904
 905     wxString result(     (char*) *myPath ) ;
 906     ::HUnlock( myPath ) ;
 907     ::DisposeHandle( myPath ) ;
 908     return result ;
 909 }
 910
 911 wxString wxMacFSSpec2UnixFilename( const FSSpec *spec )
 912 {
 913     return wxMac2UnixFilename( wxMacFSSpec2MacFilename( spec) ) ;
 914 }
 915
 916 void wxMacFilename2FSSpec( const char *path , FSSpec *spec )
 917 {
 918     FSpLocationFromFullPath( strlen(path ) , path , spec ) ;
 919 }
 920
 921 void wxUnixFilename2FSSpec( const char *path , FSSpec *spec )
 922 {
 923     wxString var = wxUnix2MacFilename( path ) ;
 924     wxMacFilename2FSSpec( var , spec ) ;
 925 }
 926
 927 #endif
 928 void
 929 wxDos2UnixFilename (char *s)
 930 {
 931   if (s)
 932     while (*s)
 933       {
 934         if (*s == '\\')
 935           *s = '/';
 936 #ifdef __WXMSW__
 937         else
 938           *s = wxTolower (*s);        // Case INDEPENDENT
 939 #endif
 940         s++;
 941       }
 942 }
 943
 944 void
 945 #if defined(__WXMSW__) || defined(__WXPM__)
 946 wxUnix2DosFilename (wxChar *s)
 947 #else
 948 wxUnix2DosFilename (wxChar *WXUNUSED(s) )
 949 #endif
 950 {
 951 // Yes, I really mean this to happen under DOS only! JACS
 952 #if defined(__WXMSW__) || defined(__WXPM__)
 953   if (s)
 954     while (*s)
 955       {
 956         if (*s == wxT('/'))
 957           *s = wxT('\\');
 958         s++;
 959       }
 960 #endif
 961 }
 962
 963 // Concatenate two files to form third
 964 bool
 965 wxConcatFiles (const wxString& file1, const wxString& file2, const wxString& file3)
 966 {
 967   wxChar *outfile = wxGetTempFileName("cat");
 968
 969   FILE *fp1 = (FILE *) NULL;
 970   FILE *fp2 = (FILE *) NULL;
 971   FILE *fp3 = (FILE *) NULL;
 972   // Open the inputs and outputs
 973 #ifdef __WXMAC__
 974   if ((fp1 = fopen (wxUnix2MacFilename( file1 ), "rb")) == NULL ||
 975       (fp2 = fopen (wxUnix2MacFilename( file2 ), "rb")) == NULL ||
 976       (fp3 = fopen (wxUnix2MacFilename( outfile ), "wb")) == NULL)
 977 #else
 978   if ((fp1 = wxFopen (WXSTRINGCAST file1, wxT("rb"))) == NULL ||
 979       (fp2 = wxFopen (WXSTRINGCAST file2, wxT("rb"))) == NULL ||
 980       (fp3 = wxFopen (outfile, wxT("wb"))) == NULL)
 981 #endif
 982     {
 983       if (fp1)
 984         fclose (fp1);
 985       if (fp2)
 986         fclose (fp2);
 987       if (fp3)
 988         fclose (fp3);
 989       return FALSE;
 990     }
 991
 992   int ch;
 993   while ((ch = getc (fp1)) != EOF)
 994     (void) putc (ch, fp3);
 995   fclose (fp1);
 996
 997   while ((ch = getc (fp2)) != EOF)
 998     (void) putc (ch, fp3);
 999   fclose (fp2);
1000
1001   fclose (fp3);
1002   bool result = wxRenameFile(outfile, file3);
1003   delete[] outfile;
1004   return result;
1005 }
1006
1007 // Copy files
1008 bool
1009 wxCopyFile (const wxString& file1, const wxString& file2)
1010 {
1011   FILE *fd1;
1012   FILE *fd2;
1013   int ch;
1014
1015 #ifdef __WXMAC__
1016   if ((fd1 = fopen (wxUnix2MacFilename( file1 ), "rb")) == NULL)
1017     return FALSE;
1018   if ((fd2 = fopen (wxUnix2MacFilename( file2 ), "wb")) == NULL)
1019 #else
1020   if ((fd1 = wxFopen (WXSTRINGCAST file1, wxT("rb"))) == NULL)
1021     return FALSE;
1022   if ((fd2 = wxFopen (WXSTRINGCAST file2, wxT("wb"))) == NULL)
1023 #endif
1024     {
1025       fclose (fd1);
1026       return FALSE;
1027     }
1028
1029   while ((ch = getc (fd1)) != EOF)
1030     (void) putc (ch, fd2);
1031
1032   fclose (fd1);
1033   fclose (fd2);
1034   return TRUE;
1035 }
1036
1037 bool
1038 wxRenameFile (const wxString& file1, const wxString& file2)
1039 {
1040 #ifdef __WXMAC__
1041   if (0 == rename (wxUnix2MacFilename( file1 ), wxUnix2MacFilename( file2 )))
1042     return TRUE;
1043 #else
1044   // Normal system call
1045   if (0 == wxRename (wxCSTRINGCAST file1, wxCSTRINGCAST file2))
1046     return TRUE;
1047 #endif
1048   // Try to copy
1049   if (wxCopyFile(file1, file2)) {
1050     wxRemoveFile(file1);
1051     return TRUE;
1052   }
1053   // Give up
1054   return FALSE;
1055 }
1056
1057 bool wxRemoveFile(const wxString& file)
1058 {
1059 #if defined(__VISUALC__) || defined(__BORLANDC__) || defined(__WATCOMC__)
1060   int flag = wxRemove(file);
1061 #elif defined( __WXMAC__ )
1062   int flag = unlink(wxUnix2MacFilename( file ));
1063 #else
1064   int flag = unlink(wxFNSTRINGCAST file.fn_str());
1065 #endif
1066   return (flag == 0) ;
1067 }
1068
1069 bool wxMkdir(const wxString& dir, int perm)
1070 {
1071 #if defined( __WXMAC__ )
1072   return (mkdir(wxUnix2MacFilename( dir ) , 0 ) == 0);
1073 #else // !Mac
1074     const wxChar *dirname = dir.c_str();
1075
1076     // assume mkdir() has 2 args on non Windows-OS/2 platforms and on Windows too
1077     // for the GNU compiler
1078 #if (!(defined(__WXMSW__) || defined(__WXPM__))) || (defined(__GNUWIN32__) && !defined(__MINGW32__)) || defined(__WXWINE__)
1079     if ( mkdir(wxFNCONV(dirname), perm) != 0 )
1080 #elif defined(__WXPM__)
1081     if (::DosCreateDir((PSZ)dirname, NULL) != 0) // enhance for EAB's??
1082 #else  // !MSW and !OS/2 VAC++
1083     if ( wxMkDir(wxFNSTRINGCAST wxFNCONV(dirname)) != 0 )
1084 #endif // !MSW/MSW
1085     {
1086         wxLogSysError(_("Directory '%s' couldn't be created"), dirname);
1087
1088         return FALSE;
1089     }
1090
1091     return TRUE;
1092 #endif // Mac/!Mac
1093 }
1094
1095 bool wxRmdir(const wxString& dir, int WXUNUSED(flags))
1096 {
1097 #ifdef __VMS__
1098   return FALSE; //to be changed since rmdir exists in VMS7.x
1099 #elif defined( __WXMAC__ )
1100   return (rmdir(wxUnix2MacFilename( dir )) == 0);
1101 #elif defined(__WXPM__)
1102   return (::DosDeleteDir((PSZ)dir.c_str()) == 0);
1103 #else
1104
1105 #ifdef __SALFORDC__
1106   return FALSE; // What to do?
1107 #else
1108   return (wxRmDir(wxFNSTRINGCAST dir.fn_str()) == 0);
1109 #endif
1110
1111 #endif
1112 }
1113
1114 #if 0
1115 bool wxDirExists(const wxString& dir)
1116 {
1117 #ifdef __VMS__
1118   return FALSE; //To be changed since stat exists in VMS7.x
1119 #elif !defined(__WXMSW__)
1120   struct stat sbuf;
1121   return (stat(dir.fn_str(), &sbuf) != -1) && S_ISDIR(sbuf.st_mode) ? TRUE : FALSE;
1122 #else
1123
1124   /* MATTHEW: [6] Always use same code for Win32, call FindClose */
1125 #if defined(__WIN32__)
1126   WIN32_FIND_DATA fileInfo;
1127 #else
1128 #ifdef __BORLANDC__
1129   struct ffblk fileInfo;
1130 #else
1131   struct find_t fileInfo;
1132 #endif
1133 #endif
1134
1135 #if defined(__WIN32__)
1136         HANDLE h = FindFirstFile((LPTSTR) WXSTRINGCAST dir,(LPWIN32_FIND_DATA)&fileInfo);
1137
1138         if (h==INVALID_HANDLE_VALUE)
1139          return FALSE;
1140         else {
1141          FindClose(h);
1142          return ((fileInfo.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) == FILE_ATTRIBUTE_DIRECTORY);
1143         }
1144 #else
1145   // In Borland findfirst has a different argument
1146   // ordering from _dos_findfirst. But _dos_findfirst
1147   // _should_ be ok in both MS and Borland... why not?
1148 #ifdef __BORLANDC__
1149   return ((findfirst(WXSTRINGCAST dir, &fileInfo, _A_SUBDIR) == 0  && (fileInfo.ff_attrib & _A_SUBDIR) != 0));
1150 #else
1151   return (((_dos_findfirst(WXSTRINGCAST dir, _A_SUBDIR, &fileInfo) == 0) && (fileInfo.attrib & _A_SUBDIR)) != 0);
1152 #endif
1153 #endif
1154
1155 #endif
1156 }
1157
1158 #endif
1159
1160 // does the path exists? (may have or not '/' or '\\' at the end)
1161 bool wxPathExists(const wxChar *pszPathName)
1162 {
1163     wxString strPath(pszPathName);
1164 #ifdef __WINDOWS__
1165     // Windows fails to find directory named "c:\dir\" even if "c:\dir" exists,
1166     // so remove all trailing backslashes from the path - but don't do this for
1167     // the pathes "d:\" (which are different from "d:") nor for just "\"
1168     while ( wxEndsWithPathSeparator(strPath) )
1169     {
1170         size_t len = strPath.length();
1171         if ( len == 1 || strPath[len - 1] == _T(':') )
1172             break;
1173
1174         strPath.Truncate(len - 1);
1175     }
1176 #endif // __WINDOWS__
1177
1178     wxStructStat st;
1179 #ifndef __VISAGECPP__
1180     return wxStat(wxFNSTRINGCAST strPath.fn_str(), &st) == 0 &&
1181         ((st.st_mode & S_IFMT) == S_IFDIR);
1182 #else
1183     // S_IFMT not supported in VA compilers.. st_mode is a 2byte value only
1184     return wxStat(wxFNSTRINGCAST strPath.fn_str(), &st) == 0 &&
1185         (st.st_mode == S_IFDIR);
1186 #endif
1187
1188 }
1189
1190 // Get a temporary filename, opening and closing the file.
1191 wxChar *wxGetTempFileName(const wxString& prefix, wxChar *buf)
1192 {
1193 #ifdef __WINDOWS__
1194
1195 #ifndef        __WIN32__
1196   wxChar tmp[144];
1197   ::GetTempFileName(0, WXSTRINGCAST prefix, 0, tmp);
1198 #else
1199   wxChar tmp[MAX_PATH];
1200   wxChar tmpPath[MAX_PATH];
1201   ::GetTempPath(MAX_PATH, tmpPath);
1202   ::GetTempFileName(tmpPath, WXSTRINGCAST prefix, 0, tmp);
1203 #endif
1204   if (buf) wxStrcpy(buf, tmp);
1205   else buf = copystring(tmp);
1206   return buf;
1207
1208 #else
1209   static short last_temp = 0;        // cache last to speed things a bit
1210   // At most 1000 temp files to a process! We use a ring count.
1211   wxChar tmp[100]; // FIXME static buffer
1212
1213   for (short suffix = last_temp + 1; suffix != last_temp; ++suffix %= 1000)
1214     {
1215       wxSprintf (tmp, wxT("/tmp/%s%d.%03x"), WXSTRINGCAST prefix, (int) getpid (), (int) suffix);
1216       if (!wxFileExists( tmp ))
1217         {
1218           // Touch the file to create it (reserve name)
1219           FILE *fd = fopen (wxFNCONV(tmp), "w");
1220           if (fd)
1221             fclose (fd);
1222           last_temp = suffix;
1223           if (buf)
1224             wxStrcpy( buf, tmp);
1225           else
1226             buf = copystring( tmp );
1227           return buf;
1228         }
1229     }
1230   wxLogError( _("wxWindows: error finding temporary file name.\n") );
1231   if (buf) buf[0] = 0;
1232   return (wxChar *) NULL;
1233 #endif
1234 }
1235
1236 bool wxGetTempFileName(const wxString& prefix, wxString& buf)
1237 {
1238     wxChar buf2[512];
1239     if (wxGetTempFileName(prefix, buf2) != (wxChar*) NULL)
1240     {
1241         buf = buf2;
1242         return TRUE;
1243     }
1244     else
1245         return FALSE;
1246 }
1247
1248 // Get first file name matching given wild card.
1249
1250 #ifdef __UNIX__
1251
1252 // Get first file name matching given wild card.
1253 // Flags are reserved for future use.
1254
1255 #if !defined( __VMS__ ) || ( __VMS_VER >= 70000000 )
1256     static DIR *gs_dirStream = (DIR *) NULL;
1257     static wxString gs_strFileSpec;
1258     static int gs_findFlags = 0;
1259 #endif
1260
1261 wxString wxFindFirstFile(const wxChar *spec, int flags)
1262 {
1263     wxString result;
1264
1265 #if !defined( __VMS__ ) || ( __VMS_VER >= 70000000 )
1266     if (gs_dirStream)
1267         closedir(gs_dirStream); // edz 941103: better housekeping
1268
1269     gs_findFlags = flags;
1270
1271     gs_strFileSpec = spec;
1272
1273     // Find path only so we can concatenate
1274     // found file onto path
1275     wxString path(wxPathOnly(gs_strFileSpec));
1276
1277     // special case: path is really "/"
1278     if ( !path && gs_strFileSpec[0u] == wxT('/') )
1279         path = wxT('/');
1280     // path is empty => Local directory
1281     if ( !path )
1282         path = wxT('.');
1283
1284     gs_dirStream = opendir(path.fn_str());
1285     if ( !gs_dirStream )
1286     {
1287         wxLogSysError(_("Can not enumerate files in directory '%s'"),
1288                       path.c_str());
1289     }
1290     else
1291     {
1292         result = wxFindNextFile();
1293     }
1294 #endif // !VMS6.x or earlier
1295
1296     return result;
1297 }
1298
1299 wxString wxFindNextFile()
1300 {
1301     wxString result;
1302
1303 #if !defined( __VMS__ ) || ( __VMS_VER >= 70000000 )
1304     wxCHECK_MSG( gs_dirStream, result, wxT("must call wxFindFirstFile first") );
1305
1306     // Find path only so we can concatenate
1307     // found file onto path
1308     wxString path(wxPathOnly(gs_strFileSpec));
1309     wxString name(wxFileNameFromPath(gs_strFileSpec));
1310
1311     /* MATTHEW: special case: path is really "/" */
1312     if ( !path && gs_strFileSpec[0u] == wxT('/'))
1313         path = wxT('/');
1314
1315     // Do the reading
1316     struct dirent *nextDir;
1317     for ( nextDir = readdir(gs_dirStream);
1318           nextDir != NULL;
1319           nextDir = readdir(gs_dirStream) )
1320     {
1321         if (wxMatchWild(name, nextDir->d_name, FALSE) &&   // RR: added FALSE to find hidden files
1322         strcmp(nextDir->d_name, ".") &&
1323         strcmp(nextDir->d_name, "..") )
1324         {
1325             result.Empty();
1326             if ( !path.IsEmpty() )
1327             {
1328                 result = path;
1329                 if ( path != wxT('/') )
1330                     result += wxT('/');
1331             }
1332
1333             result += nextDir->d_name;
1334
1335             // Only return "." and ".." when they match
1336             bool isdir;
1337             if ( (strcmp(nextDir->d_name, ".") == 0) ||
1338                  (strcmp(nextDir->d_name, "..") == 0))
1339             {
1340                 if ( (gs_findFlags & wxDIR) != 0 )
1341                     isdir = TRUE;
1342                 else
1343                     continue;
1344             }
1345             else
1346                 isdir = wxDirExists(result);
1347
1348             // and only return directories when flags & wxDIR
1349             if ( !gs_findFlags ||
1350                  ((gs_findFlags & wxDIR) && isdir) ||
1351                  ((gs_findFlags & wxFILE) && !isdir) )
1352             {
1353                 return result;
1354             }
1355         }
1356     }
1357
1358     result.Empty(); // not found
1359
1360     closedir(gs_dirStream);
1361     gs_dirStream = (DIR *) NULL;
1362 #endif // !VMS6.2 or earlier
1363
1364     return result;
1365 }
1366
1367 #elif defined(__WXMAC__)
1368
1369 struct MacDirectoryIterator
1370 {
1371     CInfoPBRec            m_CPB ;
1372     wxInt16                m_index ;
1373     long                m_dirId ;
1374     Str255                m_name ;
1375 } ;
1376
1377 static int g_iter_flags ;
1378
1379 static MacDirectoryIterator g_iter ;
1380
1381 wxString wxFindFirstFile(const wxChar *spec, int flags)
1382 {
1383     wxString result;
1384
1385     g_iter_flags = flags; /* MATTHEW: [5] Remember flags */
1386
1387     // Find path only so we can concatenate found file onto path
1388     wxString path(wxPathOnly(spec));
1389     if ( !path.IsEmpty() )
1390         result << path << wxT('\\');
1391
1392     FSSpec fsspec ;
1393
1394     wxUnixFilename2FSSpec( result , &fsspec ) ;
1395     g_iter.m_CPB.hFileInfo.ioVRefNum = fsspec.vRefNum ;
1396     g_iter.m_CPB.hFileInfo.ioNamePtr = g_iter.m_name ;
1397     g_iter.m_index = 0 ;
1398
1399     Boolean isDir ;
1400     FSpGetDirectoryID( &fsspec , &g_iter.m_dirId , &isDir ) ;
1401     if ( !isDir )
1402         return wxEmptyString ;
1403
1404     return wxFindNextFile( ) ;
1405 }
1406
1407 wxString wxFindNextFile()
1408 {
1409     wxString result;
1410
1411     short err = noErr ;
1412
1413     while ( err == noErr )
1414     {
1415         g_iter.m_index++ ;
1416         g_iter.m_CPB.dirInfo.ioFDirIndex = g_iter.m_index;
1417         g_iter.m_CPB.dirInfo.ioDrDirID = g_iter.m_dirId;    /* we need to do this every time */
1418         err = PBGetCatInfoSync((CInfoPBPtr)&g_iter.m_CPB);
1419         if ( err != noErr )
1420             break ;
1421
1422         if ( ( g_iter.m_CPB.dirInfo.ioFlAttrib & ioDirMask) != 0 && (g_iter_flags & wxDIR) ) //  we have a directory
1423             break ;
1424
1425         if ( ( g_iter.m_CPB.dirInfo.ioFlAttrib & ioDirMask) == 0 && !(g_iter_flags & wxFILE ) )
1426             continue ;
1427
1428         // hit !
1429         break ;
1430     }
1431     if ( err != noErr )
1432     {
1433         return wxEmptyString ;
1434     }
1435     FSSpec spec ;
1436
1437     FSMakeFSSpecCompat(g_iter.m_CPB.hFileInfo.ioVRefNum,
1438                                    g_iter.m_dirId,
1439                                    g_iter.m_name,
1440                                    &spec) ;
1441
1442     return wxMacFSSpec2UnixFilename( &spec ) ;
1443 }
1444
1445 #elif defined(__WXMSW__)
1446
1447 #ifdef __WIN32__
1448     static HANDLE gs_hFileStruct = INVALID_HANDLE_VALUE;
1449     static WIN32_FIND_DATA gs_findDataStruct;
1450 #else // Win16
1451     #ifdef __BORLANDC__
1452         static struct ffblk gs_findDataStruct;
1453     #else
1454         static struct _find_t gs_findDataStruct;
1455     #endif // Borland
1456 #endif // Win32/16
1457
1458 static wxString gs_strFileSpec;
1459 static int gs_findFlags = 0;
1460
1461 wxString wxFindFirstFile(const wxChar *spec, int flags)
1462 {
1463     wxString result;
1464
1465     gs_strFileSpec = spec;
1466     gs_findFlags = flags; /* MATTHEW: [5] Remember flags */
1467
1468     // Find path only so we can concatenate found file onto path
1469     wxString path(wxPathOnly(gs_strFileSpec));
1470     if ( !path.IsEmpty() )
1471         result << path << wxT('\\');
1472
1473 #ifdef __WIN32__
1474     if ( gs_hFileStruct != INVALID_HANDLE_VALUE )
1475         FindClose(gs_hFileStruct);
1476
1477     gs_hFileStruct = ::FindFirstFile(WXSTRINGCAST spec, &gs_findDataStruct);
1478
1479     if ( gs_hFileStruct == INVALID_HANDLE_VALUE )
1480     {
1481         result.Empty();
1482
1483         return result;
1484     }
1485
1486     bool isdir = !!(gs_findDataStruct.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY);
1487
1488     if (isdir && !(flags & wxDIR))
1489         return wxFindNextFile();
1490     else if (!isdir && flags && !(flags & wxFILE))
1491         return wxFindNextFile();
1492
1493     result += gs_findDataStruct.cFileName;
1494
1495     return result;
1496 #else // !Win32
1497     int flag = _A_NORMAL;
1498     if (flags & wxDIR)
1499         flag = _A_SUBDIR;
1500
1501 #ifdef __BORLANDC__
1502     if (findfirst(WXSTRINGCAST spec, &gs_findDataStruct, flag) == 0)
1503 #else
1504         if (_dos_findfirst(WXSTRINGCAST spec, flag, &gs_findDataStruct) == 0)
1505 #endif
1506         {
1507             char attrib;
1508
1509 #ifdef __BORLANDC__
1510             attrib = gs_findDataStruct.ff_attrib;
1511 #else
1512             attrib = gs_findDataStruct.attrib;
1513 #endif
1514
1515             if (attrib & _A_SUBDIR) {
1516                 if (!(gs_findFlags & wxDIR))
1517                     return wxFindNextFile();
1518             } else if (gs_findFlags && !(gs_findFlags & wxFILE))
1519                 return wxFindNextFile();
1520
1521             result +=
1522 #ifdef __BORLANDC__
1523                     gs_findDataStruct.ff_name
1524 #else
1525                     gs_findDataStruct.name
1526 #endif
1527                     ;
1528         }
1529
1530     return result;
1531 #endif // __WIN32__
1532 }
1533
1534
1535 wxString wxFindNextFile()
1536 {
1537     wxString result;
1538
1539     // Find path only so we can concatenate found file onto path
1540     wxString path(wxPathOnly(gs_strFileSpec));
1541
1542 try_again:
1543
1544 #ifdef __WIN32__
1545     if (gs_hFileStruct == INVALID_HANDLE_VALUE)
1546         return result;
1547
1548     bool success = (FindNextFile(gs_hFileStruct, &gs_findDataStruct) != 0);
1549     if (!success)
1550     {
1551         FindClose(gs_hFileStruct);
1552         gs_hFileStruct = INVALID_HANDLE_VALUE;
1553     }
1554     else
1555     {
1556         bool isdir = !!(gs_findDataStruct.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY);
1557
1558         if (isdir && !(gs_findFlags & wxDIR))
1559             goto try_again;
1560         else if (!isdir && gs_findFlags && !(gs_findFlags & wxFILE))
1561             goto try_again;
1562
1563         if ( !path.IsEmpty() )
1564             result << path << wxT('\\');
1565         result << gs_findDataStruct.cFileName;
1566     }
1567
1568     return result;
1569 #else // Win16
1570
1571 #ifdef __BORLANDC__
1572     if (findnext(&gs_findDataStruct) == 0)
1573 #else
1574         if (_dos_findnext(&gs_findDataStruct) == 0)
1575 #endif
1576         {
1577             /* MATTHEW: [5] Check directory flag */
1578             char attrib;
1579
1580 #ifdef __BORLANDC__
1581             attrib = gs_findDataStruct.ff_attrib;
1582 #else
1583             attrib = gs_findDataStruct.attrib;
1584 #endif
1585
1586             if (attrib & _A_SUBDIR) {
1587                 if (!(gs_findFlags & wxDIR))
1588                     goto try_again;
1589             } else if (gs_findFlags && !(gs_findFlags & wxFILE))
1590                 goto try_again;
1591
1592
1593             result +=
1594 #ifdef __BORLANDC__
1595                       gs_findDataStruct.ff_name
1596 #else
1597                       gs_findDataStruct.name
1598 #endif
1599                       ;
1600         }
1601
1602     return result;
1603 #endif // Win32/16
1604 }
1605
1606 #elif defined(__WXPM__)
1607
1608 wxString wxFindFirstFile(const wxChar *spec, int flags)
1609 {
1610     wxString result;
1611
1612     /*
1613     // TODO: figure something out here for OS/2
1614     gs_strFileSpec = spec;
1615     gs_findFlags = flags;
1616
1617     // Find path only so we can concatenate found file onto path
1618     wxString path(wxPathOnly(gs_strFileSpec));
1619     if ( !path.IsEmpty() )
1620         result << path << wxT('\\');
1621
1622     int flag = _A_NORMAL;
1623     if (flags & wxDIR)
1624         flag = _A_SUBDIR;
1625
1626     if (_dos_findfirst(WXSTRINGCAST spec, flag, &gs_findDataStruct) == 0)
1627     {
1628         char attrib;
1629         attrib = gs_findDataStruct.attrib;
1630
1631         if (attrib & _A_SUBDIR) {
1632             if (!(gs_findFlags & wxDIR))
1633                 return wxFindNextFile();
1634         } else if (gs_findFlags && !(gs_findFlags & wxFILE))
1635             return wxFindNextFile();
1636
1637         result += gs_findDataStruct.name;
1638     }
1639     */
1640     return result;
1641 }
1642
1643 wxString wxFindNextFile()
1644 {
1645     wxString result;
1646     // TODO:
1647     return result;
1648 }
1649
1650 #endif // Unix/Windows/OS/2
1651
1652 // Get current working directory.
1653 // If buf is NULL, allocates space using new, else
1654 // copies into buf.
1655 wxChar *wxGetWorkingDirectory(wxChar *buf, int sz)
1656 {
1657   if (!buf)
1658     buf = new wxChar[sz+1];
1659 #if wxUSE_UNICODE
1660   char *cbuf = new char[sz+1];
1661 #ifdef _MSC_VER
1662   if (_getcwd(cbuf, sz) == NULL) {
1663 #elif defined( __WXMAC__)
1664     enum
1665     {
1666         SFSaveDisk = 0x214, CurDirStore = 0x398
1667     };
1668     FSSpec cwdSpec ;
1669
1670     FSMakeFSSpec( - *(short *) SFSaveDisk , *(long *) CurDirStore , NULL , &cwdSpec ) ;
1671     wxString res = wxMacFSSpec2UnixFilename( &cwdSpec ) ;
1672     strcpy( buf , res ) ;
1673     if (0) {
1674 #else
1675   if (getcwd(cbuf, sz) == NULL) {
1676 #endif
1677     delete [] cbuf;
1678 #else // wxUnicode
1679 #ifdef _MSC_VER
1680   if (_getcwd(buf, sz) == NULL) {
1681 #elif defined( __WXMAC__)
1682     enum
1683     {
1684         SFSaveDisk = 0x214, CurDirStore = 0x398
1685     };
1686     FSSpec cwdSpec ;
1687
1688     FSMakeFSSpec( - *(short *) SFSaveDisk , *(long *) CurDirStore , NULL , &cwdSpec ) ;
1689     wxString res = wxMacFSSpec2UnixFilename( &cwdSpec ) ;
1690     strcpy( buf , res ) ;
1691     if (0) {
1692 #elif(__VISAGECPP__)
1693     APIRET rc;
1694     rc = ::DosQueryCurrentDir( 0 // current drive
1695                               ,buf
1696                               ,(PULONG)&sz
1697                              );
1698     if (rc != 0) {
1699 #else
1700   if (getcwd(buf, sz) == NULL) {
1701 #endif
1702 #endif
1703     buf[0] = wxT('.');
1704     buf[1] = wxT('\0');
1705   }
1706 #if wxUSE_UNICODE
1707   else {
1708     wxConvFile.MB2WC(buf, cbuf, sz);
1709     delete [] cbuf;
1710   }
1711 #endif
1712   return buf;
1713 }
1714
1715 wxString wxGetCwd()
1716 {
1717     static const size_t maxPathLen = 1024;
1718
1719     wxString str;
1720     wxGetWorkingDirectory(str.GetWriteBuf(maxPathLen), maxPathLen);
1721     str.UngetWriteBuf();
1722
1723     return str;
1724 }
1725
1726 bool wxSetWorkingDirectory(const wxString& d)
1727 {
1728 #if defined( __UNIX__ ) || defined( __WXMAC__ )
1729   return (chdir(wxFNSTRINGCAST d.fn_str()) == 0);
1730 #elif defined(__WXPM__)
1731   return (::DosSetCurrentDir((PSZ)d.c_str()) == 0);
1732 #elif defined(__WINDOWS__)
1733
1734 #ifdef __WIN32__
1735   return (bool)(SetCurrentDirectory(d) != 0);
1736 #else
1737   // Must change drive, too.
1738   bool isDriveSpec = ((strlen(d) > 1) && (d[1] == ':'));
1739   if (isDriveSpec)
1740   {
1741     wxChar firstChar = d[0];
1742
1743     // To upper case
1744     if (firstChar > 90)
1745       firstChar = firstChar - 32;
1746
1747     // To a drive number
1748     unsigned int driveNo = firstChar - 64;
1749     if (driveNo > 0)
1750     {
1751        unsigned int noDrives;
1752        _dos_setdrive(driveNo, &noDrives);
1753     }
1754   }
1755   bool success = (chdir(WXSTRINGCAST d) == 0);
1756
1757   return success;
1758 #endif
1759
1760 #endif
1761 }
1762
1763 // Get the OS directory if appropriate (such as the Windows directory).
1764 // On non-Windows platform, probably just return the empty string.
1765 wxString wxGetOSDirectory()
1766 {
1767 #ifdef __WINDOWS__
1768     wxChar buf[256];
1769     GetWindowsDirectory(buf, 256);
1770     return wxString(buf);
1771 #else
1772     return wxEmptyString;
1773 #endif
1774 }
1775
1776 bool wxEndsWithPathSeparator(const wxChar *pszFileName)
1777 {
1778   size_t len = wxStrlen(pszFileName);
1779   if ( len == 0 )
1780     return FALSE;
1781   else
1782     return wxIsPathSeparator(pszFileName[len - 1]);
1783 }
1784
1785 // find a file in a list of directories, returns false if not found
1786 bool wxFindFileInPath(wxString *pStr, const wxChar *pszPath, const wxChar *pszFile)
1787 {
1788     // we assume that it's not empty
1789     wxCHECK_MSG( !wxIsEmpty(pszFile), FALSE,
1790                  _T("empty file name in wxFindFileInPath"));
1791
1792     // skip path separator in the beginning of the file name if present
1793     if ( wxIsPathSeparator(*pszFile) )
1794         pszFile++;
1795
1796     // copy the path (strtok will modify it)
1797     wxChar *szPath = new wxChar[wxStrlen(pszPath) + 1];
1798     wxStrcpy(szPath, pszPath);
1799
1800     wxString strFile;
1801     wxChar *pc, *save_ptr;
1802     for ( pc = wxStrtok(szPath, wxPATH_SEP, &save_ptr);
1803           pc != NULL;
1804           pc = wxStrtok((wxChar *) NULL, wxPATH_SEP, &save_ptr) )
1805     {
1806         // search for the file in this directory
1807         strFile = pc;
1808         if ( !wxEndsWithPathSeparator(pc) )
1809             strFile += wxFILE_SEP_PATH;
1810         strFile += pszFile;
1811
1812         if ( FileExists(strFile) ) {
1813             *pStr = strFile;
1814             break;
1815         }
1816     }
1817
1818     // suppress warning about unused variable save_ptr when wxStrtok() is a
1819     // macro which throws away its third argument
1820     save_ptr = pc;
1821
1822     delete [] szPath;
1823
1824     return pc != NULL;  // if true => we breaked from the loop
1825 }
1826
1827 void WXDLLEXPORT wxSplitPath(const wxChar *pszFileName,
1828                              wxString *pstrPath,
1829                              wxString *pstrName,
1830                              wxString *pstrExt)
1831 {
1832     // it can be empty, but it shouldn't be NULL
1833     wxCHECK_RET( pszFileName, wxT("NULL file name in wxSplitPath") );
1834
1835     const wxChar *pDot = wxStrrchr(pszFileName, wxFILE_SEP_EXT);
1836
1837 #ifdef __WXMSW__
1838     // under Windows we understand both separators
1839     const wxChar *pSepUnix = wxStrrchr(pszFileName, wxFILE_SEP_PATH_UNIX);
1840     const wxChar *pSepDos = wxStrrchr(pszFileName, wxFILE_SEP_PATH_DOS);
1841     const wxChar *pLastSeparator = pSepUnix > pSepDos ? pSepUnix : pSepDos;
1842 #else // assume Unix
1843     const wxChar *pLastSeparator = wxStrrchr(pszFileName, wxFILE_SEP_PATH_UNIX);
1844
1845     if ( pDot )
1846     {
1847         if ( (pDot == pszFileName) || (*(pDot - 1) == wxFILE_SEP_PATH_UNIX) )
1848         {
1849             // under Unix, dot may be (and commonly is) the first character of the
1850             // filename, don't treat the entire filename as extension in this case
1851             pDot = NULL;
1852         }
1853     }
1854 #endif // MSW/Unix
1855
1856     if ( pDot && (pDot < pLastSeparator) )
1857     {
1858         // the dot is part of the path, not the start of the extension
1859         pDot = NULL;
1860     }
1861
1862     if ( pstrPath )
1863     {
1864         if ( pLastSeparator )
1865             *pstrPath = wxString(pszFileName, pLastSeparator - pszFileName);
1866         else
1867             pstrPath->Empty();
1868     }
1869
1870     if ( pstrName )
1871     {
1872         const wxChar *start = pLastSeparator ? pLastSeparator + 1 : pszFileName;
1873         const wxChar *end = pDot ? pDot : pszFileName + wxStrlen(pszFileName);
1874
1875         *pstrName = wxString(start, end - start);
1876     }
1877
1878     if ( pstrExt )
1879     {
1880         if ( pDot )
1881             *pstrExt = wxString(pDot + 1);
1882         else
1883             pstrExt->Empty();
1884     }
1885 }
1886
1887 time_t WXDLLEXPORT wxFileModificationTime(const wxString& filename)
1888 {
1889     wxStructStat buf;
1890
1891     wxStat(filename.fn_str(), &buf);
1892     return buf.st_mtime;
1893 }
1894
1895
1896 //------------------------------------------------------------------------
1897 // wild character routines
1898 //------------------------------------------------------------------------
1899
1900 bool wxIsWild( const wxString& pattern )
1901 {
1902   wxString tmp = pattern;
1903   wxChar *pat = WXSTRINGCAST(tmp);
1904     while (*pat) {
1905         switch (*pat++) {
1906         case wxT('?'): case wxT('*'): case wxT('['): case wxT('{'):
1907             return TRUE;
1908         case wxT('\\'):
1909             if (!*pat++)
1910                 return FALSE;
1911         }
1912     }
1913     return FALSE;
1914 };
1915
1916 bool wxMatchWild( const wxString& pat, const wxString& text, bool dot_special )
1917
1918 #if defined(HAVE_FNMATCH_H)
1919 {
1920 // this probably won't work well for multibyte chars in Unicode mode?
1921    if(dot_special)
1922       return fnmatch(pat.fn_str(), text.fn_str(), FNM_PERIOD) == 0;
1923    else
1924       return fnmatch(pat.fn_str(), text.fn_str(), 0) == 0;
1925 }
1926 #else
1927
1928 // #pragma error Broken implementation of wxMatchWild() -- needs fixing!
1929
1930    /*
1931     * WARNING: this code is broken!
1932     */
1933 {
1934   wxString tmp1 = pat;
1935   wxChar *pattern = WXSTRINGCAST(tmp1);
1936   wxString tmp2 = text;
1937   wxChar *str = WXSTRINGCAST(tmp2);
1938     wxChar c;
1939     wxChar *cp;
1940     bool done = FALSE, ret_code, ok;
1941     // Below is for vi fans
1942     const wxChar OB = wxT('{'), CB = wxT('}');
1943
1944     // dot_special means '.' only matches '.'
1945     if (dot_special && *str == wxT('.') && *pattern != *str)
1946         return FALSE;
1947
1948     while ((*pattern != wxT('\0')) && (!done)
1949     && (((*str==wxT('\0'))&&((*pattern==OB)||(*pattern==wxT('*'))))||(*str!=wxT('\0')))) {
1950         switch (*pattern) {
1951         case wxT('\\'):
1952             pattern++;
1953             if (*pattern != wxT('\0'))
1954                 pattern++;
1955             break;
1956         case wxT('*'):
1957             pattern++;
1958             ret_code = FALSE;
1959             while ((*str!=wxT('\0'))
1960             && (!(ret_code=wxMatchWild(pattern, str++, FALSE))))
1961                 /*loop*/;
1962             if (ret_code) {
1963                 while (*str != wxT('\0'))
1964                     str++;
1965                 while (*pattern != wxT('\0'))
1966                     pattern++;
1967             }
1968             break;
1969         case wxT('['):
1970             pattern++;
1971           repeat:
1972             if ((*pattern == wxT('\0')) || (*pattern == wxT(']'))) {
1973                 done = TRUE;
1974                 break;
1975             }
1976             if (*pattern == wxT('\\')) {
1977                 pattern++;
1978                 if (*pattern == wxT('\0')) {
1979                     done = TRUE;
1980                     break;
1981                 }
1982             }
1983             if (*(pattern + 1) == wxT('-')) {
1984                 c = *pattern;
1985                 pattern += 2;
1986                 if (*pattern == wxT(']')) {
1987                     done = TRUE;
1988                     break;
1989                 }
1990                 if (*pattern == wxT('\\')) {
1991                     pattern++;
1992                     if (*pattern == wxT('\0')) {
1993                         done = TRUE;
1994                         break;
1995                     }
1996                 }
1997                 if ((*str < c) || (*str > *pattern)) {
1998                     pattern++;
1999                     goto repeat;
2000                 }
2001             } else if (*pattern != *str) {
2002                 pattern++;
2003                 goto repeat;
2004             }
2005             pattern++;
2006             while ((*pattern != wxT(']')) && (*pattern != wxT('\0'))) {
2007                 if ((*pattern == wxT('\\')) && (*(pattern + 1) != wxT('\0')))
2008                     pattern++;
2009                 pattern++;
2010             }
2011             if (*pattern != wxT('\0')) {
2012                 pattern++, str++;
2013             }
2014             break;
2015         case wxT('?'):
2016             pattern++;
2017             str++;
2018             break;
2019         case OB:
2020             pattern++;
2021             while ((*pattern != CB) && (*pattern != wxT('\0'))) {
2022                 cp = str;
2023                 ok = TRUE;
2024                 while (ok && (*cp != wxT('\0')) && (*pattern != wxT('\0'))
2025                 &&  (*pattern != wxT(',')) && (*pattern != CB)) {
2026                     if (*pattern == wxT('\\'))
2027                         pattern++;
2028                     ok = (*pattern++ == *cp++);
2029                 }
2030                 if (*pattern == wxT('\0')) {
2031                     ok = FALSE;
2032                     done = TRUE;
2033                     break;
2034                 } else if (ok) {
2035                     str = cp;
2036                     while ((*pattern != CB) && (*pattern != wxT('\0'))) {
2037                         if (*++pattern == wxT('\\')) {
2038                             if (*++pattern == CB)
2039                                 pattern++;
2040                         }
2041                     }
2042                 } else {
2043                     while (*pattern!=CB && *pattern!=wxT(',') && *pattern!=wxT('\0')) {
2044                         if (*++pattern == wxT('\\')) {
2045                             if (*++pattern == CB || *pattern == wxT(','))
2046                                 pattern++;
2047                         }
2048                     }
2049                 }
2050                 if (*pattern != wxT('\0'))
2051                     pattern++;
2052             }
2053             break;
2054         default:
2055             if (*str == *pattern) {
2056                 str++, pattern++;
2057             } else {
2058                 done = TRUE;
2059             }
2060         }
2061     }
2062     while (*pattern == wxT('*'))
2063         pattern++;
2064     return ((*str == wxT('\0')) && (*pattern == wxT('\0')));
2065 };
2066
2067 #endif
2068
2069 #ifdef __VISUALC__
2070     #pragma warning(default:4706)   // assignment within conditional expression
2071 #endif // VC++