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 #ifndef WX_PRECOMP
  33     #include "wx/defs.h"
  34 #endif
  35
  36 #include "wx/utils.h"
  37 #include "wx/intl.h"
  38
  39 // there are just too many of those...
  40 #ifdef __VISUALC__
  41     #pragma warning(disable:4706)   // assignment within conditional expression
  42 #endif // VC++
  43
  44 #include <ctype.h>
  45 #include <stdio.h>
  46 #include <stdlib.h>
  47 #include <string.h>
  48 #if !defined(__WATCOMC__)
  49     #if !(defined(_MSC_VER) && (_MSC_VER > 800))
  50         #include <errno.h>
  51     #endif
  52 #endif
  53
  54 #include <time.h>
  55
  56 #ifndef __MWERKS__
  57     #include <sys/types.h>
  58     #include <sys/stat.h>
  59 #else
  60     #include <stat.h>
  61     #include <unistd.h>
  62 #endif
  63
  64 #ifdef __UNIX__
  65     #include <unistd.h>
  66     #include <dirent.h>
  67 #endif
  68
  69 #ifdef __OS2__
  70     #include <direct.h>
  71     #include <process.h>
  72 #endif
  73 #ifdef __WINDOWS__
  74 #if !defined( __GNUWIN32__ ) && !defined( __MWERKS__ ) && !defined(__SALFORDC__)
  75     #include <direct.h>
  76     #include <dos.h>
  77 #endif // __WINDOWS__
  78 #endif // native Win compiler
  79
  80 #ifdef __GNUWIN32__
  81     #ifndef __TWIN32__
  82         #include <sys/unistd.h>
  83     #endif
  84 #endif
  85
  86 #ifdef __BORLANDC__ // Please someone tell me which version of Borland needs
  87                     // this (3.1 I believe) and how to test for it.
  88                     // If this works for Borland 4.0 as well, then no worries.
  89     #include <dir.h>
  90 #endif
  91
  92 #ifdef __SALFORDC__
  93     #include <dir.h>
  94     #include <unix.h>
  95 #endif
  96
  97 #include "wx/setup.h"
  98 #include "wx/log.h"
  99
 100 // No, Cygwin doesn't appear to have fnmatch.h after all.
 101 #if defined(HAVE_FNMATCH_H)
 102     #include "fnmatch.h"
 103 #endif
 104
 105 #ifdef __WINDOWS__
 106     #include "windows.h"
 107 #endif
 108
 109 // ----------------------------------------------------------------------------
 110 // constants
 111 // ----------------------------------------------------------------------------
 112
 113 #if defined(__VISAGECPP__) && __IBMCPP__ >= 400
 114 const off_t wxInvalidOffset = (off_t)-1;
 115 #endif
 116
 117 #define _MAXPATHLEN 500
 118
 119 extern wxChar *wxBuffer;
 120
 121 #ifdef __WXMAC__
 122
 123 #include "morefile.h"
 124 #include "moreextr.h"
 125 #include "fullpath.h"
 126 #include "fspcompa.h"
 127 #endif
 128
 129     IMPLEMENT_DYNAMIC_CLASS(wxPathList, wxStringList)
 130
 131 // ----------------------------------------------------------------------------
 132 // private globals
 133 // ----------------------------------------------------------------------------
 134
 135 static wxChar wxFileFunctionsBuffer[4*_MAXPATHLEN];
 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 #ifdef __SALFORDC__
 277   struct _stat stbuf;
 278 #else
 279   struct stat stbuf;
 280 #endif
 281
 282   if ((filename != wxT("")) && stat (wxFNSTRINGCAST filename.fn_str(), &stbuf) == 0)
 283     return TRUE;
 284   return FALSE;
 285 #endif
 286 }
 287
 288 /* Vadim's alternative implementation
 289
 290 // does the file exist?
 291 bool wxFileExists(const char *pszFileName)
 292 {
 293   struct stat st;
 294   return !access(pszFileName, 0) &&
 295          !stat(pszFileName, &st) &&
 296          (st.st_mode & S_IFREG);
 297 }
 298 */
 299
 300 bool
 301 wxIsAbsolutePath (const wxString& filename)
 302 {
 303   if (filename != wxT(""))
 304     {
 305       if (filename[0] == wxT('/')
 306 #ifdef __VMS__
 307       || (filename[0] == wxT('[') && filename[1] != wxT('.'))
 308 #endif
 309 #ifdef __WINDOWS__
 310       /* MSDOS */
 311       || filename[0] == wxT('\\') || (wxIsalpha (filename[0]) && filename[1] == wxT(':'))
 312 #endif
 313         )
 314         return TRUE;
 315     }
 316   return FALSE;
 317 }
 318
 319 /*
 320  * Strip off any extension (dot something) from end of file,
 321  * IF one exists. Inserts zero into buffer.
 322  *
 323  */
 324
 325 void wxStripExtension(wxChar *buffer)
 326 {
 327   int len = wxStrlen(buffer);
 328   int i = len-1;
 329   while (i > 0)
 330   {
 331     if (buffer[i] == wxT('.'))
 332     {
 333       buffer[i] = 0;
 334       break;
 335     }
 336     i --;
 337   }
 338 }
 339
 340 void wxStripExtension(wxString& buffer)
 341 {
 342   size_t len = buffer.Length();
 343   size_t i = len-1;
 344   while (i > 0)
 345   {
 346     if (buffer.GetChar(i) == wxT('.'))
 347     {
 348       buffer = buffer.Left(i);
 349       break;
 350     }
 351     i --;
 352   }
 353 }
 354
 355 // Destructive removal of /./ and /../ stuff
 356 wxChar *wxRealPath (wxChar *path)
 357 {
 358 #ifdef __WXMSW__
 359   static const wxChar SEP = wxT('\\');
 360   Unix2DosFilename(path);
 361 #else
 362   static const wxChar SEP = wxT('/');
 363 #endif
 364   if (path[0] && path[1]) {
 365     /* MATTHEW: special case "/./x" */
 366     wxChar *p;
 367     if (path[2] == SEP && path[1] == wxT('.'))
 368       p = &path[0];
 369     else
 370       p = &path[2];
 371     for (; *p; p++)
 372       {
 373         if (*p == SEP)
 374           {
 375             if (p[1] == wxT('.') && p[2] == wxT('.') && (p[3] == SEP || p[3] == wxT('\0')))
 376               {
 377                 wxChar *q;
 378                 for (q = p - 1; q >= path && *q != SEP; q--);
 379                 if (q[0] == SEP && (q[1] != wxT('.') || q[2] != wxT('.') || q[3] != SEP)
 380                     && (q - 1 <= path || q[-1] != SEP))
 381                   {
 382                     wxStrcpy (q, p + 3);
 383                     if (path[0] == wxT('\0'))
 384                       {
 385                         path[0] = SEP;
 386                         path[1] = wxT('\0');
 387                       }
 388 #ifdef __WXMSW__
 389                     /* Check that path[2] is NULL! */
 390                     else if (path[1] == wxT(':') && !path[2])
 391                       {
 392                         path[2] = SEP;
 393                         path[3] = wxT('\0');
 394                       }
 395 #endif
 396                     p = q - 1;
 397                   }
 398               }
 399             else if (p[1] == wxT('.') && (p[2] == SEP || p[2] == wxT('\0')))
 400               wxStrcpy (p, p + 2);
 401           }
 402       }
 403   }
 404   return path;
 405 }
 406
 407 // Must be destroyed
 408 wxChar *wxCopyAbsolutePath(const wxString& filename)
 409 {
 410   if (filename == wxT(""))
 411     return (wxChar *) NULL;
 412
 413   if (! IsAbsolutePath(wxExpandPath(wxFileFunctionsBuffer, filename))) {
 414     wxChar  buf[_MAXPATHLEN];
 415     buf[0] = wxT('\0');
 416     wxGetWorkingDirectory(buf, WXSIZEOF(buf));
 417     wxChar ch = buf[wxStrlen(buf) - 1];
 418 #ifdef __WXMSW__
 419     if (ch != wxT('\\') && ch != wxT('/'))
 420         wxStrcat(buf, wxT("\\"));
 421 #else
 422     if (ch != wxT('/'))
 423         wxStrcat(buf, wxT("/"));
 424 #endif
 425     wxStrcat(buf, wxFileFunctionsBuffer);
 426     return copystring( wxRealPath(buf) );
 427   }
 428   return copystring( wxFileFunctionsBuffer );
 429 }
 430
 431 /*-
 432  Handles:
 433    ~/ => home dir
 434    ~user/ => user's home dir
 435    If the environment variable a = "foo" and b = "bar" then:
 436    Unix:
 437         $a        =>        foo
 438         $a$b        =>        foobar
 439         $a.c        =>        foo.c
 440         xxx$a        =>        xxxfoo
 441         ${a}!        =>        foo!
 442         $(b)!        =>        bar!
 443         \$a        =>        \$a
 444    MSDOS:
 445         $a        ==>        $a
 446         $(a)        ==>        foo
 447         $(a)$b        ==>        foo$b
 448         $(a)$(b)==>        foobar
 449         test.$$        ==>        test.$$
 450  */
 451
 452 /* input name in name, pathname output to buf. */
 453
 454 wxChar *wxExpandPath(wxChar *buf, const wxChar *name)
 455 {
 456     register wxChar *d, *s, *nm;
 457     wxChar          lnm[_MAXPATHLEN];
 458     int                                q;
 459
 460     // Some compilers don't like this line.
 461 //    const wxChar    trimchars[] = wxT("\n \t");
 462
 463     wxChar      trimchars[4];
 464     trimchars[0] = wxT('\n');
 465     trimchars[1] = wxT(' ');
 466     trimchars[2] = wxT('\t');
 467     trimchars[3] = 0;
 468
 469 #ifdef __WXMSW__
 470      const wxChar     SEP = wxT('\\');
 471 #else
 472      const wxChar     SEP = wxT('/');
 473 #endif
 474     buf[0] = wxT('\0');
 475     if (name == NULL || *name == wxT('\0'))
 476         return buf;
 477     nm = copystring(name); // Make a scratch copy
 478     wxChar *nm_tmp = nm;
 479
 480     /* Skip leading whitespace and cr */
 481     while (wxStrchr((wxChar *)trimchars, *nm) != NULL)
 482         nm++;
 483     /* And strip off trailing whitespace and cr */
 484     s = nm + (q = wxStrlen(nm)) - 1;
 485     while (q-- && wxStrchr((wxChar *)trimchars, *s) != NULL)
 486         *s = wxT('\0');
 487
 488     s = nm;
 489     d = lnm;
 490 #ifdef __WXMSW__
 491     q = FALSE;
 492 #else
 493     q = nm[0] == wxT('\\') && nm[1] == wxT('~');
 494 #endif
 495
 496     /* Expand inline environment variables */
 497 #ifdef __VISAGECPP__
 498     while (*d)
 499     {
 500       *d++ = *s;
 501       if(*s == wxT('\\'))
 502       {
 503         *(d - 1) = *++s;
 504         if (*d)
 505         {
 506           s++;
 507           continue;
 508         }
 509         else
 510            break;
 511       }
 512       else
 513 #else
 514     while ((*d++ = *s)) {
 515 #  ifndef __WXMSW__
 516         if (*s == wxT('\\')) {
 517             if ((*(d - 1) = *++s)) {
 518                 s++;
 519                 continue;
 520             } else
 521                 break;
 522         } else
 523 #  endif
 524 #endif
 525 #ifdef __WXMSW__
 526         if (*s++ == wxT('$') && (*s == wxT('{') || *s == wxT(')')))
 527 #else
 528         if (*s++ == wxT('$'))
 529 #endif
 530         {
 531             register wxChar  *start = d;
 532             register int     braces = (*s == wxT('{') || *s == wxT('('));
 533             register wxChar  *value;
 534 #ifdef __VISAGECPP__
 535     // VA gives assignment in logical expr warning
 536             while (*d)
 537                *d++ = *s;
 538 #else
 539             while ((*d++ = *s))
 540 #endif
 541                 if (braces ? (*s == wxT('}') || *s == wxT(')')) : !(wxIsalnum(*s) || *s == wxT('_')) )
 542                     break;
 543                 else
 544                     s++;
 545             *--d = 0;
 546             value = wxGetenv(braces ? start + 1 : start);
 547             if (value) {
 548 #ifdef __VISAGECPP__
 549     // VA gives assignment in logical expr warning
 550                 for ((d = start - 1); (*d); *d++ = *value++);
 551 #else
 552                 for ((d = start - 1); (*d++ = *value++););
 553 #endif
 554                 d--;
 555                 if (braces && *s)
 556                     s++;
 557             }
 558         }
 559     }
 560
 561     /* Expand ~ and ~user */
 562     nm = lnm;
 563     s = wxT("");
 564     if (nm[0] == wxT('~') && !q)
 565     {
 566         /* prefix ~ */
 567         if (nm[1] == SEP || nm[1] == 0)
 568         {        /* ~/filename */
 569             // FIXME: wxGetUserHome could return temporary storage in Unicode mode
 570             if ((s = WXSTRINGCAST wxGetUserHome(wxT(""))) != NULL) {
 571                 if (*++nm)
 572                     nm++;
 573             }
 574         } else
 575         {                /* ~user/filename */
 576             register wxChar  *nnm;
 577             register wxChar  *home;
 578             for (s = nm; *s && *s != SEP; s++);
 579             int was_sep; /* MATTHEW: Was there a separator, or NULL? */
 580             was_sep = (*s == SEP);
 581             nnm = *s ? s + 1 : s;
 582             *s = 0;
 583             // FIXME: wxGetUserHome could return temporary storage in Unicode mode
 584             if ((home = WXSTRINGCAST wxGetUserHome(wxString(nm + 1))) == NULL) {
 585                if (was_sep) /* replace only if it was there: */
 586                    *s = SEP;
 587                 s = wxT("");
 588             } else {
 589                 nm = nnm;
 590                 s = home;
 591             }
 592         }
 593     }
 594
 595     d = buf;
 596     if (s && *s) { /* MATTHEW: s could be NULL if user '~' didn't exist */
 597         /* Copy home dir */
 598         while (wxT('\0') != (*d++ = *s++))
 599           /* loop */;
 600         // Handle root home
 601         if (d - 1 > buf && *(d - 2) != SEP)
 602           *(d - 1) = SEP;
 603     }
 604     s = nm;
 605 #ifdef __VISAGECPP__
 606     // VA gives assignment in logical expr warning
 607     while (*d)
 608        *d++ = *s++;
 609 #else
 610     while ((*d++ = *s++));
 611 #endif
 612     delete[] nm_tmp; // clean up alloc
 613     /* Now clean up the buffer */
 614     return wxRealPath(buf);
 615 }
 616
 617 /* Contract Paths to be build upon an environment variable
 618    component:
 619
 620    example: "/usr/openwin/lib", OPENWINHOME --> ${OPENWINHOME}/lib
 621
 622    The call wxExpandPath can convert these back!
 623  */
 624 wxChar *
 625 wxContractPath (const wxString& filename, const wxString& envname, const wxString& user)
 626 {
 627   static wxChar dest[_MAXPATHLEN];
 628
 629   if (filename == wxT(""))
 630     return (wxChar *) NULL;
 631
 632   wxStrcpy (dest, WXSTRINGCAST filename);
 633 #ifdef __WXMSW__
 634   Unix2DosFilename(dest);
 635 #endif
 636
 637   // Handle environment
 638   const wxChar *val = (const wxChar *) NULL;
 639   wxChar *tcp = (wxChar *) NULL;
 640   if (envname != WXSTRINGCAST NULL && (val = wxGetenv (WXSTRINGCAST envname)) != NULL &&
 641      (tcp = wxStrstr (dest, val)) != NULL)
 642     {
 643         wxStrcpy (wxFileFunctionsBuffer, tcp + wxStrlen (val));
 644         *tcp++ = wxT('$');
 645         *tcp++ = wxT('{');
 646         wxStrcpy (tcp, WXSTRINGCAST envname);
 647         wxStrcat (tcp, wxT("}"));
 648         wxStrcat (tcp, wxFileFunctionsBuffer);
 649     }
 650
 651   // Handle User's home (ignore root homes!)
 652   size_t len = 0;
 653   if ((val = wxGetUserHome (user)) != NULL &&
 654       (len = wxStrlen(val)) > 2 &&
 655       wxStrncmp(dest, val, len) == 0)
 656     {
 657       wxStrcpy(wxFileFunctionsBuffer, wxT("~"));
 658       if (user != wxT(""))
 659              wxStrcat(wxFileFunctionsBuffer, (const wxChar*) user);
 660 #ifdef __WXMSW__
 661 //      strcat(wxFileFunctionsBuffer, "\\");
 662 #else
 663 //      strcat(wxFileFunctionsBuffer, "/");
 664 #endif
 665       wxStrcat(wxFileFunctionsBuffer, dest + len);
 666       wxStrcpy (dest, wxFileFunctionsBuffer);
 667     }
 668
 669   return dest;
 670 }
 671
 672 // Return just the filename, not the path
 673 // (basename)
 674 wxChar *wxFileNameFromPath (wxChar *path)
 675 {
 676   if (path)
 677     {
 678       register wxChar *tcp;
 679
 680       tcp = path + wxStrlen (path);
 681       while (--tcp >= path)
 682         {
 683           if (*tcp == wxT('/') || *tcp == wxT('\\')
 684 #ifdef __VMS__
 685      || *tcp == wxT(':') || *tcp == wxT(']'))
 686 #else
 687      )
 688 #endif
 689             return tcp + 1;
 690         }                        /* while */
 691 #if defined(__WXMSW__) || defined(__WXPM__)
 692       if (wxIsalpha (*path) && *(path + 1) == wxT(':'))
 693         return path + 2;
 694 #endif
 695     }
 696   return path;
 697 }
 698
 699 wxString wxFileNameFromPath (const wxString& path1)
 700 {
 701   if (path1 != wxT(""))
 702   {
 703
 704       wxChar *path = WXSTRINGCAST path1 ;
 705       register wxChar *tcp;
 706
 707       tcp = path + wxStrlen (path);
 708       while (--tcp >= path)
 709           {
 710             if (*tcp == wxT('/') || *tcp == wxT('\\')
 711 #ifdef __VMS__
 712         || *tcp == wxT(':') || *tcp == wxT(']'))
 713 #else
 714         )
 715 #endif
 716                 return wxString(tcp + 1);
 717             }                        /* while */
 718 #if defined(__WXMSW__) || defined(__WXPM__)
 719       if (wxIsalpha (*path) && *(path + 1) == wxT(':'))
 720             return wxString(path + 2);
 721 #endif
 722     }
 723   // Yes, this should return the path, not an empty string, otherwise
 724   // we get "thing.txt" -> "".
 725   return path1;
 726 }
 727
 728 // Return just the directory, or NULL if no directory
 729 wxChar *
 730 wxPathOnly (wxChar *path)
 731 {
 732   if (path && *path)
 733     {
 734       static wxChar buf[_MAXPATHLEN];
 735
 736       // Local copy
 737       wxStrcpy (buf, path);
 738
 739       int l = wxStrlen(path);
 740       bool done = FALSE;
 741
 742       int i = l - 1;
 743
 744       // Search backward for a backward or forward slash
 745       while (!done && i > -1)
 746       {
 747         // ] is for VMS
 748         if (path[i] == wxT('/') || path[i] == wxT('\\') || path[i] == wxT(']'))
 749         {
 750           done = TRUE;
 751 #ifdef __VMS__
 752           buf[i+1] = 0;
 753 #else
 754           buf[i] = 0;
 755 #endif
 756
 757           return buf;
 758         }
 759         else i --;
 760       }
 761
 762 #if defined(__WXMSW__) || defined(__WXPM__)
 763       // Try Drive specifier
 764       if (wxIsalpha (buf[0]) && buf[1] == wxT(':'))
 765         {
 766           // A:junk --> A:. (since A:.\junk Not A:\junk)
 767           buf[2] = wxT('.');
 768           buf[3] = wxT('\0');
 769           return buf;
 770         }
 771 #endif
 772     }
 773
 774   return (wxChar *) NULL;
 775 }
 776
 777 // Return just the directory, or NULL if no directory
 778 wxString wxPathOnly (const wxString& path)
 779 {
 780   if (path != wxT(""))
 781     {
 782       wxChar buf[_MAXPATHLEN];
 783
 784       // Local copy
 785       wxStrcpy (buf, WXSTRINGCAST path);
 786
 787       int l = path.Length();
 788       bool done = FALSE;
 789
 790       int i = l - 1;
 791
 792       // Search backward for a backward or forward slash
 793       while (!done && i > -1)
 794       {
 795         // ] is for VMS
 796         if (path[i] == wxT('/') || path[i] == wxT('\\') || path[i] == wxT(']'))
 797         {
 798           done = TRUE;
 799 #ifdef __VMS__
 800           buf[i+1] = 0;
 801 #else
 802           buf[i] = 0;
 803 #endif
 804
 805           return wxString(buf);
 806         }
 807         else i --;
 808       }
 809
 810 #if defined(__WXMSW__) || defined(__WXPM__)
 811       // Try Drive specifier
 812       if (wxIsalpha (buf[0]) && buf[1] == wxT(':'))
 813         {
 814           // A:junk --> A:. (since A:.\junk Not A:\junk)
 815           buf[2] = wxT('.');
 816           buf[3] = wxT('\0');
 817           return wxString(buf);
 818         }
 819 #endif
 820     }
 821
 822   return wxString(wxT(""));
 823 }
 824
 825 // Utility for converting delimiters in DOS filenames to UNIX style
 826 // and back again - or we get nasty problems with delimiters.
 827 // Also, convert to lower case, since case is significant in UNIX.
 828
 829 #ifdef __WXMAC__
 830
 831 static char sMacFileNameConversion[ 1000 ] ;
 832
 833 wxString wxMac2UnixFilename (const char *str)
 834 {
 835         char *s = sMacFileNameConversion ;
 836         strcpy( s , str ) ;
 837   if (s)
 838   {
 839     memmove( s+1 , s ,strlen( s ) + 1) ;
 840     if ( *s == ':' )
 841             *s = '.' ;
 842     else
 843             *s = '/' ;
 844
 845     while (*s)
 846     {
 847             if (*s == ':')
 848               *s = '/';
 849             else
 850               *s = wxTolower (*s);        // Case INDEPENDENT
 851             s++;
 852     }
 853   }
 854   return wxString (sMacFileNameConversion) ;
 855 }
 856
 857 wxString wxUnix2MacFilename (const char *str)
 858 {
 859         char *s = sMacFileNameConversion ;
 860         strcpy( s , str ) ;
 861   if (s)
 862   {
 863     if ( *s == '.' )
 864     {
 865       // relative path , since it goes on with slash which is translated to a :
 866       memmove( s , s+1 ,strlen( s ) ) ;
 867     }
 868     else if ( *s == '/' )
 869     {
 870       // absolute path -> on mac just start with the drive name
 871       memmove( s , s+1 ,strlen( s ) ) ;
 872     }
 873     else
 874     {
 875       wxASSERT_MSG( 1 , "unkown path beginning" ) ;
 876     }
 877     while (*s)
 878     {
 879       if (*s == '/' || *s == '\\')
 880       {
 881         // convert any back-directory situations
 882         if ( *(s+1) == '.' && *(s+2) == '.' && ( (*(s+3) == '/' || *(s+3) == '\\') ) )
 883         {
 884           *s = ':';
 885                         memmove( s+1 , s+3 ,strlen( s+3 ) + 1 ) ;
 886         }
 887         else
 888           *s = ':';
 889       }
 890
 891       s++ ;
 892     }
 893   }
 894   return wxString (sMacFileNameConversion) ;
 895 }
 896
 897 wxString wxMacFSSpec2MacFilename( const FSSpec *spec )
 898 {
 899         Handle  myPath ;
 900         short   length ;
 901
 902         FSpGetFullPath( spec , &length , &myPath ) ;
 903         ::SetHandleSize( myPath , length + 1 ) ;
 904         ::HLock( myPath ) ;
 905         (*myPath)[length] = 0 ;
 906         if ( length > 0 && (*myPath)[length-1] ==':' )
 907                 (*myPath)[length-1] = 0 ;
 908
 909         wxString result(        (char*) *myPath ) ;
 910         ::HUnlock( myPath ) ;
 911         ::DisposeHandle( myPath ) ;
 912         return result ;
 913 }
 914
 915 wxString wxMacFSSpec2UnixFilename( const FSSpec *spec )
 916 {
 917         return wxMac2UnixFilename( wxMacFSSpec2MacFilename( spec) ) ;
 918 }
 919
 920 void wxMacFilename2FSSpec( const char *path , FSSpec *spec )
 921 {
 922         FSpLocationFromFullPath( strlen(path ) , path , spec ) ;
 923 }
 924
 925 void wxUnixFilename2FSSpec( const char *path , FSSpec *spec )
 926 {
 927         wxString var = wxUnix2MacFilename( path ) ;
 928         wxMacFilename2FSSpec( var , spec ) ;
 929 }
 930
 931 #endif
 932 void
 933 wxDos2UnixFilename (char *s)
 934 {
 935   if (s)
 936     while (*s)
 937       {
 938         if (*s == '\\')
 939           *s = '/';
 940 #ifdef __WXMSW__
 941         else
 942           *s = wxTolower (*s);        // Case INDEPENDENT
 943 #endif
 944         s++;
 945       }
 946 }
 947
 948 void
 949 #if defined(__WXMSW__) || defined(__WXPM__)
 950 wxUnix2DosFilename (wxChar *s)
 951 #else
 952 wxUnix2DosFilename (wxChar *WXUNUSED(s) )
 953 #endif
 954 {
 955 // Yes, I really mean this to happen under DOS only! JACS
 956 #if defined(__WXMSW__) || defined(__WXPM__)
 957   if (s)
 958     while (*s)
 959       {
 960         if (*s == wxT('/'))
 961           *s = wxT('\\');
 962         s++;
 963       }
 964 #endif
 965 }
 966
 967 // Concatenate two files to form third
 968 bool
 969 wxConcatFiles (const wxString& file1, const wxString& file2, const wxString& file3)
 970 {
 971   wxChar *outfile = wxGetTempFileName("cat");
 972
 973   FILE *fp1 = (FILE *) NULL;
 974   FILE *fp2 = (FILE *) NULL;
 975   FILE *fp3 = (FILE *) NULL;
 976   // Open the inputs and outputs
 977 #ifdef __WXMAC__
 978   if ((fp1 = fopen (wxUnix2MacFilename( file1 ), "rb")) == NULL ||
 979       (fp2 = fopen (wxUnix2MacFilename( file2 ), "rb")) == NULL ||
 980       (fp3 = fopen (wxUnix2MacFilename( outfile ), "wb")) == NULL)
 981 #else
 982   if ((fp1 = wxFopen (WXSTRINGCAST file1, wxT("rb"))) == NULL ||
 983       (fp2 = wxFopen (WXSTRINGCAST file2, wxT("rb"))) == NULL ||
 984       (fp3 = wxFopen (outfile, wxT("wb"))) == NULL)
 985 #endif
 986     {
 987       if (fp1)
 988         fclose (fp1);
 989       if (fp2)
 990         fclose (fp2);
 991       if (fp3)
 992         fclose (fp3);
 993       return FALSE;
 994     }
 995
 996   int ch;
 997   while ((ch = getc (fp1)) != EOF)
 998     (void) putc (ch, fp3);
 999   fclose (fp1);
1000
1001   while ((ch = getc (fp2)) != EOF)
1002     (void) putc (ch, fp3);
1003   fclose (fp2);
1004
1005   fclose (fp3);
1006   bool result = wxRenameFile(outfile, file3);
1007   delete[] outfile;
1008   return result;
1009 }
1010
1011 // Copy files
1012 bool
1013 wxCopyFile (const wxString& file1, const wxString& file2)
1014 {
1015   FILE *fd1;
1016   FILE *fd2;
1017   int ch;
1018
1019 #ifdef __WXMAC__
1020   if ((fd1 = fopen (wxUnix2MacFilename( file1 ), "rb")) == NULL)
1021     return FALSE;
1022   if ((fd2 = fopen (wxUnix2MacFilename( file2 ), "wb")) == NULL)
1023 #else
1024   if ((fd1 = wxFopen (WXSTRINGCAST file1, wxT("rb"))) == NULL)
1025     return FALSE;
1026   if ((fd2 = wxFopen (WXSTRINGCAST file2, wxT("wb"))) == NULL)
1027 #endif
1028     {
1029       fclose (fd1);
1030       return FALSE;
1031     }
1032
1033   while ((ch = getc (fd1)) != EOF)
1034     (void) putc (ch, fd2);
1035
1036   fclose (fd1);
1037   fclose (fd2);
1038   return TRUE;
1039 }
1040
1041 bool
1042 wxRenameFile (const wxString& file1, const wxString& file2)
1043 {
1044 #ifdef __WXMAC__
1045   if (0 == rename (wxUnix2MacFilename( file1 ), wxUnix2MacFilename( file2 )))
1046     return TRUE;
1047 #else
1048   // Normal system call
1049   if (0 == rename (wxFNSTRINGCAST file1.fn_str(), wxFNSTRINGCAST file2.fn_str()))
1050     return TRUE;
1051 #endif
1052   // Try to copy
1053   if (wxCopyFile(file1, file2)) {
1054     wxRemoveFile(file1);
1055     return TRUE;
1056   }
1057   // Give up
1058   return FALSE;
1059 }
1060
1061 bool wxRemoveFile(const wxString& file)
1062 {
1063 #if defined(__VISUALC__) || defined(__BORLANDC__) || defined(__WATCOMC__)
1064   int flag = remove(wxFNSTRINGCAST file.fn_str());
1065 #elif defined( __WXMAC__ )
1066   int flag = unlink(wxUnix2MacFilename( file ));
1067 #else
1068   int flag = unlink(wxFNSTRINGCAST file.fn_str());
1069 #endif
1070   return (flag == 0) ;
1071 }
1072
1073 bool wxMkdir(const wxString& dir, int perm)
1074 {
1075 #if defined( __WXMAC__ )
1076   return (mkdir(wxUnix2MacFilename( dir ) , 0 ) == 0);
1077 #else // !Mac
1078     const wxChar *dirname = dir.c_str();
1079
1080     // assume mkdir() has 2 args on non Windows-OS/2 platforms and on Windows too
1081     // for the GNU compiler
1082 #if (!(defined(__WXMSW__) || defined(__OS2__))) || (defined(__GNUWIN32__) && !defined(__MINGW32__)) || defined(__WXWINE__)
1083     if ( mkdir(wxFNCONV(dirname), perm) != 0 )
1084 #else  // !MSW and !OS/2 VAC++
1085     if ( mkdir(wxFNSTRINGCAST wxFNCONV(dirname)) != 0 )
1086 #endif // !MSW/MSW
1087     {
1088         wxLogSysError(_("Directory '%s' couldn't be created"), dirname);
1089
1090         return FALSE;
1091     }
1092
1093     return TRUE;
1094 #endif // Mac/!Mac
1095 }
1096
1097 bool wxRmdir(const wxString& dir, int WXUNUSED(flags))
1098 {
1099 #ifdef __VMS__
1100   return FALSE; //to be changed since rmdir exists in VMS7.x
1101 #elif defined( __WXMAC__ )
1102   return (rmdir(wxUnix2MacFilename( dir )) == 0);
1103 #else
1104
1105 #ifdef __SALFORDC__
1106   return FALSE; // What to do?
1107 #else
1108   return (rmdir(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   /* Windows API returns -1 from stat for "c:\dir\" if "c:\dir" exists
1164    * OTOH, we should change "d:" to "d:\" and leave "\" as is. */
1165   wxString strPath(pszPathName);
1166   if ( wxEndsWithPathSeparator(pszPathName) && pszPathName[1] != wxT('\0') )
1167     strPath.Last() = wxT('\0');
1168
1169 #ifdef __SALFORDC__
1170   struct _stat st;
1171 #else
1172   struct stat st;
1173 #endif
1174
1175   return stat(wxFNSTRINGCAST strPath.fn_str(), &st) == 0 && (st.st_mode & S_IFDIR);
1176 }
1177
1178 // Get a temporary filename, opening and closing the file.
1179 wxChar *wxGetTempFileName(const wxString& prefix, wxChar *buf)
1180 {
1181 #ifdef __WINDOWS__
1182
1183 #ifndef        __WIN32__
1184   wxChar tmp[144];
1185   ::GetTempFileName(0, WXSTRINGCAST prefix, 0, tmp);
1186 #else
1187   wxChar tmp[MAX_PATH];
1188   wxChar tmpPath[MAX_PATH];
1189   ::GetTempPath(MAX_PATH, tmpPath);
1190   ::GetTempFileName(tmpPath, WXSTRINGCAST prefix, 0, tmp);
1191 #endif
1192   if (buf) wxStrcpy(buf, tmp);
1193   else buf = copystring(tmp);
1194   return buf;
1195
1196 #else
1197   static short last_temp = 0;        // cache last to speed things a bit
1198   // At most 1000 temp files to a process! We use a ring count.
1199   wxChar tmp[100]; // FIXME static buffer
1200
1201   for (short suffix = last_temp + 1; suffix != last_temp; ++suffix %= 1000)
1202     {
1203       wxSprintf (tmp, wxT("/tmp/%s%d.%03x"), WXSTRINGCAST prefix, (int) getpid (), (int) suffix);
1204       if (!wxFileExists( tmp ))
1205         {
1206           // Touch the file to create it (reserve name)
1207           FILE *fd = fopen (wxFNCONV(tmp), "w");
1208           if (fd)
1209             fclose (fd);
1210           last_temp = suffix;
1211           if (buf)
1212             wxStrcpy( buf, tmp);
1213           else
1214             buf = copystring( tmp );
1215           return buf;
1216         }
1217     }
1218   wxLogError( _("wxWindows: error finding temporary file name.\n") );
1219   if (buf) buf[0] = 0;
1220   return (wxChar *) NULL;
1221 #endif
1222 }
1223
1224 bool wxGetTempFileName(const wxString& prefix, wxString& buf)
1225 {
1226     wxChar buf2[512];
1227     if (wxGetTempFileName(prefix, buf2) != (wxChar*) NULL)
1228     {
1229         buf = buf2;
1230         return TRUE;
1231     }
1232     else
1233         return FALSE;
1234 }
1235
1236 // Get first file name matching given wild card.
1237
1238 #ifdef __UNIX__
1239
1240 // Get first file name matching given wild card.
1241 // Flags are reserved for future use.
1242
1243 #if !defined( __VMS__ ) || ( __VMS_VER >= 70000000 )
1244     static DIR *gs_dirStream = (DIR *) NULL;
1245     static wxString gs_strFileSpec;
1246     static int gs_findFlags = 0;
1247 #endif
1248
1249 wxString wxFindFirstFile(const wxChar *spec, int flags)
1250 {
1251     wxString result;
1252
1253 #if !defined( __VMS__ ) || ( __VMS_VER >= 70000000 )
1254     if (gs_dirStream)
1255         closedir(gs_dirStream); // edz 941103: better housekeping
1256
1257     gs_findFlags = flags;
1258
1259     gs_strFileSpec = spec;
1260
1261     // Find path only so we can concatenate
1262     // found file onto path
1263     wxString path(wxPathOnly(gs_strFileSpec));
1264
1265     // special case: path is really "/"
1266     if ( !path && gs_strFileSpec[0u] == wxT('/') )
1267         path = wxT('/');
1268     // path is empty => Local directory
1269     if ( !path )
1270         path = wxT('.');
1271
1272     gs_dirStream = opendir(path.fn_str());
1273     if ( !gs_dirStream )
1274     {
1275         wxLogSysError(_("Can not enumerate files in directory '%s'"),
1276                       path.c_str());
1277     }
1278     else
1279     {
1280         result = wxFindNextFile();
1281     }
1282 #endif // !VMS6.x or earlier
1283
1284     return result;
1285 }
1286
1287 wxString wxFindNextFile()
1288 {
1289     wxString result;
1290
1291 #if !defined( __VMS__ ) || ( __VMS_VER >= 70000000 )
1292     wxCHECK_MSG( gs_dirStream, result, wxT("must call wxFindFirstFile first") );
1293
1294     // Find path only so we can concatenate
1295     // found file onto path
1296     wxString path(wxPathOnly(gs_strFileSpec));
1297     wxString name(wxFileNameFromPath(gs_strFileSpec));
1298
1299     /* MATTHEW: special case: path is really "/" */
1300     if ( !path && gs_strFileSpec[0u] == wxT('/'))
1301         path = wxT('/');
1302
1303     // Do the reading
1304     struct dirent *nextDir;
1305     for ( nextDir = readdir(gs_dirStream);
1306           nextDir != NULL;
1307           nextDir = readdir(gs_dirStream) )
1308     {
1309         if (wxMatchWild(name, nextDir->d_name, FALSE) &&   // RR: added FALSE to find hidden files
1310             strcmp(nextDir->d_name, ".") &&
1311             strcmp(nextDir->d_name, "..") )
1312         {
1313             result.Empty();
1314             if ( !path.IsEmpty() )
1315             {
1316                 result = path;
1317                 if ( path != wxT('/') )
1318                     result += wxT('/');
1319             }
1320
1321             result += nextDir->d_name;
1322
1323             // Only return "." and ".." when they match
1324             bool isdir;
1325             if ( (strcmp(nextDir->d_name, ".") == 0) ||
1326                  (strcmp(nextDir->d_name, "..") == 0))
1327             {
1328                 if ( (gs_findFlags & wxDIR) != 0 )
1329                     isdir = TRUE;
1330                 else
1331                     continue;
1332             }
1333             else
1334                 isdir = wxDirExists(result);
1335
1336             // and only return directories when flags & wxDIR
1337             if ( !gs_findFlags ||
1338                  ((gs_findFlags & wxDIR) && isdir) ||
1339                  ((gs_findFlags & wxFILE) && !isdir) )
1340             {
1341                 return result;
1342             }
1343         }
1344     }
1345
1346     result.Empty(); // not found
1347
1348     closedir(gs_dirStream);
1349     gs_dirStream = (DIR *) NULL;
1350 #endif // !VMS6.2 or earlier
1351
1352     return result;
1353 }
1354
1355 #elif defined(__WXMAC__)
1356
1357 struct MacDirectoryIterator
1358 {
1359         CInfoPBRec                      m_CPB ;
1360         wxInt16                         m_index ;
1361         long                            m_dirId ;
1362         Str255                          m_name ;
1363 } ;
1364
1365 static int g_iter_flags ;
1366
1367 static MacDirectoryIterator g_iter ;
1368
1369 wxString wxFindFirstFile(const wxChar *spec, int flags)
1370 {
1371     wxString result;
1372
1373     g_iter_flags = flags; /* MATTHEW: [5] Remember flags */
1374
1375     // Find path only so we can concatenate found file onto path
1376     wxString path(wxPathOnly(spec));
1377     if ( !path.IsEmpty() )
1378         result << path << wxT('\\');
1379
1380         FSSpec fsspec ;
1381
1382         wxUnixFilename2FSSpec( result , &fsspec ) ;
1383         g_iter.m_CPB.hFileInfo.ioVRefNum = fsspec.vRefNum ;
1384         g_iter.m_CPB.hFileInfo.ioNamePtr = g_iter.m_name ;
1385         g_iter.m_index = 0 ;
1386
1387         Boolean isDir ;
1388         FSpGetDirectoryID( &fsspec , &g_iter.m_dirId , &isDir ) ;
1389         if ( !isDir )
1390                 return wxEmptyString ;
1391
1392         return wxFindNextFile( ) ;
1393 }
1394
1395 wxString wxFindNextFile()
1396 {
1397     wxString result;
1398
1399         short err = noErr ;
1400
1401         while ( err == noErr )
1402         {
1403                 g_iter.m_index++ ;
1404                 g_iter.m_CPB.dirInfo.ioFDirIndex = g_iter.m_index;
1405                 g_iter.m_CPB.dirInfo.ioDrDirID = g_iter.m_dirId;        /* we need to do this every time */
1406                 err = PBGetCatInfoSync((CInfoPBPtr)&g_iter.m_CPB);
1407                 if ( err != noErr )
1408                         break ;
1409
1410                 if ( ( g_iter.m_CPB.dirInfo.ioFlAttrib & ioDirMask) != 0 && (g_iter_flags & wxDIR) ) //  we have a directory
1411                         break ;
1412
1413                 if ( ( g_iter.m_CPB.dirInfo.ioFlAttrib & ioDirMask) == 0 && !(g_iter_flags & wxFILE ) )
1414                         continue ;
1415
1416                 // hit !
1417                 break ;
1418         }
1419         if ( err != noErr )
1420         {
1421                 return wxEmptyString ;
1422         }
1423         FSSpec spec ;
1424
1425         FSMakeFSSpecCompat(g_iter.m_CPB.hFileInfo.ioVRefNum,
1426                                                                    g_iter.m_dirId,
1427                                                                    g_iter.m_name,
1428                                                                    &spec) ;
1429
1430         return wxMacFSSpec2UnixFilename( &spec ) ;
1431 }
1432
1433 #elif defined(__WXMSW__)
1434
1435 #ifdef __WIN32__
1436     static HANDLE gs_hFileStruct = INVALID_HANDLE_VALUE;
1437     static WIN32_FIND_DATA gs_findDataStruct;
1438 #else // Win16
1439     #ifdef __BORLANDC__
1440         static struct ffblk gs_findDataStruct;
1441     #else
1442         static struct _find_t gs_findDataStruct;
1443     #endif // Borland
1444 #endif // Win32/16
1445
1446 static wxString gs_strFileSpec;
1447 static int gs_findFlags = 0;
1448
1449 wxString wxFindFirstFile(const wxChar *spec, int flags)
1450 {
1451     wxString result;
1452
1453     gs_strFileSpec = spec;
1454     gs_findFlags = flags; /* MATTHEW: [5] Remember flags */
1455
1456     // Find path only so we can concatenate found file onto path
1457     wxString path(wxPathOnly(gs_strFileSpec));
1458     if ( !path.IsEmpty() )
1459         result << path << wxT('\\');
1460
1461 #ifdef __WIN32__
1462     if ( gs_hFileStruct != INVALID_HANDLE_VALUE )
1463         FindClose(gs_hFileStruct);
1464
1465     gs_hFileStruct = ::FindFirstFile(WXSTRINGCAST spec, &gs_findDataStruct);
1466
1467     if ( gs_hFileStruct == INVALID_HANDLE_VALUE )
1468     {
1469         result.Empty();
1470
1471         return result;
1472     }
1473
1474     bool isdir = !!(gs_findDataStruct.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY);
1475
1476     if (isdir && !(flags & wxDIR))
1477         return wxFindNextFile();
1478     else if (!isdir && flags && !(flags & wxFILE))
1479         return wxFindNextFile();
1480
1481     result += gs_findDataStruct.cFileName;
1482
1483     return result;
1484 #else
1485     int flag = _A_NORMAL;
1486     if (flags & wxDIR) /* MATTHEW: [5] Use & */
1487         flag = _A_SUBDIR;
1488
1489 #ifdef __BORLANDC__
1490     if (findfirst(WXSTRINGCAST spec, &gs_findDataStruct, flag) == 0)
1491 #else
1492         if (_dos_findfirst(WXSTRINGCAST spec, flag, &gs_findDataStruct) == 0)
1493 #endif
1494         {
1495             /* MATTHEW: [5] Check directory flag */
1496             char attrib;
1497
1498 #ifdef __BORLANDC__
1499             attrib = gs_findDataStruct.ff_attrib;
1500 #else
1501             attrib = gs_findDataStruct.attrib;
1502 #endif
1503
1504             if (attrib & _A_SUBDIR) {
1505                 if (!(gs_findFlags & wxDIR))
1506                     return wxFindNextFile();
1507             } else if (gs_findFlags && !(gs_findFlags & wxFILE))
1508                 return wxFindNextFile();
1509
1510             result +=
1511 #ifdef __BORLANDC__
1512                     gs_findDataStruct.ff_name
1513 #else
1514                     gs_findDataStruct.name
1515 #endif
1516                     ;
1517         }
1518 #endif // __WIN32__
1519
1520     return result;
1521 }
1522
1523 wxString wxFindNextFile()
1524 {
1525     wxString result;
1526
1527     // Find path only so we can concatenate found file onto path
1528     wxString path(wxPathOnly(gs_strFileSpec));
1529
1530 try_again:
1531
1532 #ifdef __WIN32__
1533     if (gs_hFileStruct == INVALID_HANDLE_VALUE)
1534         return result;
1535
1536     bool success = (FindNextFile(gs_hFileStruct, &gs_findDataStruct) != 0);
1537     if (!success)
1538     {
1539         FindClose(gs_hFileStruct);
1540         gs_hFileStruct = INVALID_HANDLE_VALUE;
1541     }
1542     else
1543     {
1544         bool isdir = !!(gs_findDataStruct.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY);
1545
1546         if (isdir && !(gs_findFlags & wxDIR))
1547             goto try_again;
1548         else if (!isdir && gs_findFlags && !(gs_findFlags & wxFILE))
1549             goto try_again;
1550
1551         if ( !path.IsEmpty() )
1552             result << path << wxT('\\');
1553         result << gs_findDataStruct.cFileName;
1554     }
1555
1556     return result;
1557 #else // Win16
1558
1559 #ifdef __BORLANDC__
1560     if (findnext(&gs_findDataStruct) == 0)
1561 #else
1562         if (_dos_findnext(&gs_findDataStruct) == 0)
1563 #endif
1564         {
1565             /* MATTHEW: [5] Check directory flag */
1566             char attrib;
1567
1568 #ifdef __BORLANDC__
1569             attrib = gs_findDataStruct.ff_attrib;
1570 #else
1571             attrib = gs_findDataStruct.attrib;
1572 #endif
1573
1574             if (attrib & _A_SUBDIR) {
1575                 if (!(gs_findFlags & wxDIR))
1576                     goto try_again;
1577             } else if (gs_findFlags && !(gs_findFlags & wxFILE))
1578                 goto try_again;
1579
1580
1581             result +=
1582 #ifdef __BORLANDC__
1583                       gs_findDataStruct.ff_name
1584 #else
1585                       gs_findDataStruct.name
1586 #endif
1587                       ;
1588         }
1589 #endif // Win32/16
1590
1591     return result;
1592 }
1593
1594 #endif // Unix/Windows
1595
1596 // Get current working directory.
1597 // If buf is NULL, allocates space using new, else
1598 // copies into buf.
1599 wxChar *wxGetWorkingDirectory(wxChar *buf, int sz)
1600 {
1601   if (!buf)
1602     buf = new wxChar[sz+1];
1603 #if wxUSE_UNICODE
1604   char *cbuf = new char[sz+1];
1605 #ifdef _MSC_VER
1606   if (_getcwd(cbuf, sz) == NULL) {
1607 #elif defined( __WXMAC__)
1608         enum
1609         {
1610                 SFSaveDisk = 0x214, CurDirStore = 0x398
1611         };
1612         FSSpec cwdSpec ;
1613
1614         FSMakeFSSpec( - *(short *) SFSaveDisk , *(long *) CurDirStore , NULL , &cwdSpec ) ;
1615         wxString res = wxMacFSSpec2UnixFilename( &cwdSpec ) ;
1616         strcpy( buf , res ) ;
1617         if (0) {
1618 #else
1619   if (getcwd(cbuf, sz) == NULL) {
1620 #endif
1621     delete [] cbuf;
1622 #else // wxUnicode
1623 #ifdef _MSC_VER
1624   if (_getcwd(buf, sz) == NULL) {
1625 #elif defined( __WXMAC__)
1626         enum
1627         {
1628                 SFSaveDisk = 0x214, CurDirStore = 0x398
1629         };
1630         FSSpec cwdSpec ;
1631
1632         FSMakeFSSpec( - *(short *) SFSaveDisk , *(long *) CurDirStore , NULL , &cwdSpec ) ;
1633         wxString res = wxMacFSSpec2UnixFilename( &cwdSpec ) ;
1634         strcpy( buf , res ) ;
1635         if (0) {
1636 #else
1637   if (getcwd(buf, sz) == NULL) {
1638 #endif
1639 #endif
1640     buf[0] = wxT('.');
1641     buf[1] = wxT('\0');
1642   }
1643 #if wxUSE_UNICODE
1644   else {
1645     wxConvFile.MB2WC(buf, cbuf, sz);
1646     delete [] cbuf;
1647   }
1648 #endif
1649   return buf;
1650 }
1651
1652 wxString wxGetCwd()
1653 {
1654     static const size_t maxPathLen = 1024;
1655
1656     wxString str;
1657     wxGetWorkingDirectory(str.GetWriteBuf(maxPathLen), maxPathLen);
1658     str.UngetWriteBuf();
1659
1660     return str;
1661 }
1662
1663 bool wxSetWorkingDirectory(const wxString& d)
1664 {
1665 #if defined( __UNIX__ ) || defined( __WXMAC__ ) || defined(__WXPM__)
1666   return (chdir(wxFNSTRINGCAST d.fn_str()) == 0);
1667 #elif defined(__WINDOWS__)
1668
1669 #ifdef __WIN32__
1670   return (bool)(SetCurrentDirectory(d) != 0);
1671 #else
1672   // Must change drive, too.
1673   bool isDriveSpec = ((strlen(d) > 1) && (d[1] == ':'));
1674   if (isDriveSpec)
1675   {
1676     wxChar firstChar = d[0];
1677
1678     // To upper case
1679     if (firstChar > 90)
1680       firstChar = firstChar - 32;
1681
1682     // To a drive number
1683     unsigned int driveNo = firstChar - 64;
1684     if (driveNo > 0)
1685     {
1686        unsigned int noDrives;
1687        _dos_setdrive(driveNo, &noDrives);
1688     }
1689   }
1690   bool success = (chdir(WXSTRINGCAST d) == 0);
1691
1692   return success;
1693 #endif
1694
1695 #endif
1696 }
1697
1698 // Get the OS directory if appropriate (such as the Windows directory).
1699 // On non-Windows platform, probably just return the empty string.
1700 wxString wxGetOSDirectory()
1701 {
1702 #ifdef __WINDOWS__
1703     wxChar buf[256];
1704     GetWindowsDirectory(buf, 256);
1705     return wxString(buf);
1706 #else
1707     return wxEmptyString;
1708 #endif
1709 }
1710
1711 bool wxEndsWithPathSeparator(const wxChar *pszFileName)
1712 {
1713   size_t len = wxStrlen(pszFileName);
1714   if ( len == 0 )
1715     return FALSE;
1716   else
1717     return wxIsPathSeparator(pszFileName[len - 1]);
1718 }
1719
1720 // find a file in a list of directories, returns false if not found
1721 bool wxFindFileInPath(wxString *pStr, const wxChar *pszPath, const wxChar *pszFile)
1722 {
1723     // we assume that it's not empty
1724     wxCHECK_MSG( !wxIsEmpty(pszFile), FALSE,
1725             _("empty file name in wxFindFileInPath"));
1726
1727     // skip path separator in the beginning of the file name if present
1728     if ( wxIsPathSeparator(*pszFile) )
1729         pszFile++;
1730
1731     // copy the path (strtok will modify it)
1732     wxChar *szPath = new wxChar[wxStrlen(pszPath) + 1];
1733     wxStrcpy(szPath, pszPath);
1734
1735     wxString strFile;
1736     wxChar *pc, *save_ptr;
1737     for ( pc = wxStrtok(szPath, wxPATH_SEP, &save_ptr);
1738           pc != NULL;
1739           pc = wxStrtok((wxChar *) NULL, wxPATH_SEP, &save_ptr) )
1740     {
1741         // search for the file in this directory
1742         strFile = pc;
1743         if ( !wxEndsWithPathSeparator(pc) )
1744             strFile += wxFILE_SEP_PATH;
1745         strFile += pszFile;
1746
1747         if ( FileExists(strFile) ) {
1748             *pStr = strFile;
1749             break;
1750         }
1751     }
1752
1753     // suppress warning about unused variable save_ptr when wxStrtok() is a
1754     // macro which throws away its third argument
1755     save_ptr = pc;
1756
1757     delete [] szPath;
1758
1759     return pc != NULL;  // if true => we breaked from the loop
1760 }
1761
1762 void WXDLLEXPORT wxSplitPath(const wxChar *pszFileName,
1763                              wxString *pstrPath,
1764                              wxString *pstrName,
1765                              wxString *pstrExt)
1766 {
1767     // it can be empty, but it shouldn't be NULL
1768     wxCHECK_RET( pszFileName, wxT("NULL file name in wxSplitPath") );
1769
1770     const wxChar *pDot = wxStrrchr(pszFileName, wxFILE_SEP_EXT);
1771
1772 #ifdef __WXMSW__
1773     // under Windows we understand both separators
1774     const wxChar *pSepUnix = wxStrrchr(pszFileName, wxFILE_SEP_PATH_UNIX);
1775     const wxChar *pSepDos = wxStrrchr(pszFileName, wxFILE_SEP_PATH_DOS);
1776     const wxChar *pLastSeparator = pSepUnix > pSepDos ? pSepUnix : pSepDos;
1777 #else // assume Unix
1778     const wxChar *pLastSeparator = wxStrrchr(pszFileName, wxFILE_SEP_PATH_UNIX);
1779
1780     if ( pDot == pszFileName )
1781     {
1782         // under Unix files like .profile are treated in a special way
1783         pDot = NULL;
1784     }
1785 #endif // MSW/Unix
1786
1787     if ( pDot < pLastSeparator )
1788     {
1789         // the dot is part of the path, not the start of the extension
1790         pDot = NULL;
1791     }
1792
1793     if ( pstrPath )
1794     {
1795         if ( pLastSeparator )
1796             *pstrPath = wxString(pszFileName, pLastSeparator - pszFileName);
1797         else
1798             pstrPath->Empty();
1799     }
1800
1801     if ( pstrName )
1802     {
1803         const wxChar *start = pLastSeparator ? pLastSeparator + 1 : pszFileName;
1804         const wxChar *end = pDot ? pDot : pszFileName + wxStrlen(pszFileName);
1805
1806         *pstrName = wxString(start, end - start);
1807     }
1808
1809     if ( pstrExt )
1810     {
1811         if ( pDot )
1812             *pstrExt = wxString(pDot + 1);
1813         else
1814             pstrExt->Empty();
1815     }
1816 }
1817
1818
1819
1820 time_t WXDLLEXPORT wxFileModificationTime(const wxString& filename)
1821 {
1822     struct stat buf;
1823
1824     stat(filename.fn_str(), &buf);
1825     return buf.st_mtime;
1826 }
1827
1828
1829 //------------------------------------------------------------------------
1830 // wild character routines
1831 //------------------------------------------------------------------------
1832
1833 bool wxIsWild( const wxString& pattern )
1834 {
1835   wxString tmp = pattern;
1836   wxChar *pat = WXSTRINGCAST(tmp);
1837     while (*pat) {
1838         switch (*pat++) {
1839         case wxT('?'): case wxT('*'): case wxT('['): case wxT('{'):
1840             return TRUE;
1841         case wxT('\\'):
1842             if (!*pat++)
1843                 return FALSE;
1844         }
1845     }
1846     return FALSE;
1847 };
1848
1849 bool wxMatchWild( const wxString& pat, const wxString& text, bool dot_special )
1850
1851 #if defined(HAVE_FNMATCH_H)
1852 {
1853 // this probably won't work well for multibyte chars in Unicode mode?
1854    if(dot_special)
1855       return fnmatch(pat.fn_str(), text.fn_str(), FNM_PERIOD) == 0;
1856    else
1857       return fnmatch(pat.fn_str(), text.fn_str(), 0) == 0;
1858 }
1859 #else
1860
1861 // #pragma error Broken implementation of wxMatchWild() -- needs fixing!
1862
1863    /*
1864     * WARNING: this code is broken!
1865     */
1866 {
1867   wxString tmp1 = pat;
1868   wxChar *pattern = WXSTRINGCAST(tmp1);
1869   wxString tmp2 = text;
1870   wxChar *str = WXSTRINGCAST(tmp2);
1871     wxChar c;
1872     wxChar *cp;
1873     bool done = FALSE, ret_code, ok;
1874     // Below is for vi fans
1875     const wxChar OB = wxT('{'), CB = wxT('}');
1876
1877     // dot_special means '.' only matches '.'
1878     if (dot_special && *str == wxT('.') && *pattern != *str)
1879         return FALSE;
1880
1881     while ((*pattern != wxT('\0')) && (!done)
1882     && (((*str==wxT('\0'))&&((*pattern==OB)||(*pattern==wxT('*'))))||(*str!=wxT('\0')))) {
1883         switch (*pattern) {
1884         case wxT('\\'):
1885             pattern++;
1886             if (*pattern != wxT('\0'))
1887                 pattern++;
1888             break;
1889         case wxT('*'):
1890             pattern++;
1891             ret_code = FALSE;
1892             while ((*str!=wxT('\0'))
1893             && (!(ret_code=wxMatchWild(pattern, str++, FALSE))))
1894                 /*loop*/;
1895             if (ret_code) {
1896                 while (*str != wxT('\0'))
1897                     str++;
1898                 while (*pattern != wxT('\0'))
1899                     pattern++;
1900             }
1901             break;
1902         case wxT('['):
1903             pattern++;
1904           repeat:
1905             if ((*pattern == wxT('\0')) || (*pattern == wxT(']'))) {
1906                 done = TRUE;
1907                 break;
1908             }
1909             if (*pattern == wxT('\\')) {
1910                 pattern++;
1911                 if (*pattern == wxT('\0')) {
1912                     done = TRUE;
1913                     break;
1914                 }
1915             }
1916             if (*(pattern + 1) == wxT('-')) {
1917                 c = *pattern;
1918                 pattern += 2;
1919                 if (*pattern == wxT(']')) {
1920                     done = TRUE;
1921                     break;
1922                 }
1923                 if (*pattern == wxT('\\')) {
1924                     pattern++;
1925                     if (*pattern == wxT('\0')) {
1926                         done = TRUE;
1927                         break;
1928                     }
1929                 }
1930                 if ((*str < c) || (*str > *pattern)) {
1931                     pattern++;
1932                     goto repeat;
1933                 }
1934             } else if (*pattern != *str) {
1935                 pattern++;
1936                 goto repeat;
1937             }
1938             pattern++;
1939             while ((*pattern != wxT(']')) && (*pattern != wxT('\0'))) {
1940                 if ((*pattern == wxT('\\')) && (*(pattern + 1) != wxT('\0')))
1941                     pattern++;
1942                 pattern++;
1943             }
1944             if (*pattern != wxT('\0')) {
1945                 pattern++, str++;
1946             }
1947             break;
1948         case wxT('?'):
1949             pattern++;
1950             str++;
1951             break;
1952         case OB:
1953             pattern++;
1954             while ((*pattern != CB) && (*pattern != wxT('\0'))) {
1955                 cp = str;
1956                 ok = TRUE;
1957                 while (ok && (*cp != wxT('\0')) && (*pattern != wxT('\0'))
1958                 &&  (*pattern != wxT(',')) && (*pattern != CB)) {
1959                     if (*pattern == wxT('\\'))
1960                         pattern++;
1961                     ok = (*pattern++ == *cp++);
1962                 }
1963                 if (*pattern == wxT('\0')) {
1964                     ok = FALSE;
1965                     done = TRUE;
1966                     break;
1967                 } else if (ok) {
1968                     str = cp;
1969                     while ((*pattern != CB) && (*pattern != wxT('\0'))) {
1970                         if (*++pattern == wxT('\\')) {
1971                             if (*++pattern == CB)
1972                                 pattern++;
1973                         }
1974                     }
1975                 } else {
1976                     while (*pattern!=CB && *pattern!=wxT(',') && *pattern!=wxT('\0')) {
1977                         if (*++pattern == wxT('\\')) {
1978                             if (*++pattern == CB || *pattern == wxT(','))
1979                                 pattern++;
1980                         }
1981                     }
1982                 }
1983                 if (*pattern != wxT('\0'))
1984                     pattern++;
1985             }
1986             break;
1987         default:
1988             if (*str == *pattern) {
1989                 str++, pattern++;
1990             } else {
1991                 done = TRUE;
1992             }
1993         }
1994     }
1995     while (*pattern == wxT('*'))
1996         pattern++;
1997     return ((*str == wxT('\0')) && (*pattern == wxT('\0')));
1998 };
1999
2000 #endif
2001
2002 #ifdef __VISUALC__
2003     #pragma warning(default:4706)   // assignment within conditional expression
2004 #endif // VC++