src/common/filefn.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        filefn.cpp
   3 // Purpose:     File- and directory-related functions
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     29/01/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) 1998 Julian Smart
   9 // Licence:     wxWindows license
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // ============================================================================
  13 // declarations
  14 // ============================================================================
  15
  16 // ----------------------------------------------------------------------------
  17 // headers
  18 // ----------------------------------------------------------------------------
  19
  20 #ifdef __GNUG__
  21     #pragma implementation "filefn.h"
  22 #endif
  23
  24 // For compilers that support precompilation, includes "wx.h".
  25 #include "wx/wxprec.h"
  26 #include "wx/defs.h"
  27
  28 #ifdef __BORLANDC__
  29     #pragma hdrstop
  30 #endif
  31
  32 #include "wx/utils.h"
  33 #include "wx/intl.h"
  34 #include "wx/file.h"
  35 #include "wx/filename.h"
  36
  37 // there are just too many of those...
  38 #ifdef __VISUALC__
  39     #pragma warning(disable:4706)   // assignment within conditional expression
  40 #endif // VC++
  41
  42 #include <ctype.h>
  43 #include <stdio.h>
  44 #include <stdlib.h>
  45 #include <string.h>
  46 #if !defined(__WATCOMC__)
  47     #if !(defined(_MSC_VER) && (_MSC_VER > 800))
  48         #include <errno.h>
  49     #endif
  50 #endif
  51
  52 #include <time.h>
  53
  54 #ifndef __MWERKS__
  55     #include <sys/types.h>
  56     #include <sys/stat.h>
  57 #else
  58     #include <stat.h>
  59     #include <unistd.h>
  60     #include <unix.h>
  61 #endif
  62
  63 #ifdef __UNIX__
  64     #include <unistd.h>
  65     #include <dirent.h>
  66 #endif
  67
  68 #ifdef __WXPM__
  69     #include <process.h>
  70     #include "wx/os2/private.h"
  71 #endif
  72 #ifdef __WINDOWS__
  73 #if !defined( __GNUWIN32__ ) && !defined( __MWERKS__ ) && !defined(__SALFORDC__)
  74     #include <direct.h>
  75     #include <dos.h>
  76     #include <io.h>
  77 #endif // __WINDOWS__
  78 #endif // native Win compiler
  79
  80 #ifdef __GNUWIN32__
  81     #include <wchar.h>
  82     #ifndef __TWIN32__
  83         #include <sys/unistd.h>
  84     #endif
  85 #endif
  86
  87 #ifdef __BORLANDC__ // Please someone tell me which version of Borland needs
  88                     // this (3.1 I believe) and how to test for it.
  89                     // If this works for Borland 4.0 as well, then no worries.
  90     #include <dir.h>
  91 #endif
  92
  93 #ifdef __SALFORDC__
  94     #include <dir.h>
  95     #include <unix.h>
  96 #endif
  97
  98 #include "wx/setup.h"
  99 #include "wx/log.h"
 100
 101 // No, Cygwin doesn't appear to have fnmatch.h after all.
 102 #if defined(HAVE_FNMATCH_H)
 103     #include "fnmatch.h"
 104 #endif
 105
 106 #ifdef __WINDOWS__
 107     #include <windows.h>
 108 #endif
 109
 110 // ----------------------------------------------------------------------------
 111 // constants
 112 // ----------------------------------------------------------------------------
 113
 114 #define _MAXPATHLEN 500
 115
 116 extern wxChar *wxBuffer;
 117
 118 #ifdef __WXMAC__
 119 #    include "MoreFiles.h"
 120 #    include "MoreFilesExtras.h"
 121 #    include "FullPath.h"
 122 #    include "FSpCompat.h"
 123 #endif
 124
 125 IMPLEMENT_DYNAMIC_CLASS(wxPathList, wxStringList)
 126
 127 // ----------------------------------------------------------------------------
 128 // private globals
 129 // ----------------------------------------------------------------------------
 130
 131 static wxChar wxFileFunctionsBuffer[4*_MAXPATHLEN];
 132
 133 #if defined(__VISAGECPP__) && __IBMCPP__ >= 400
 134 //
 135 // VisualAge C++ V4.0 cannot have any external linkage const decs
 136 // in headers included by more than one primary source
 137 //
 138 const off_t wxInvalidOffset = (off_t)-1;
 139 #endif
 140
 141 // ----------------------------------------------------------------------------
 142 // macros
 143 // ----------------------------------------------------------------------------
 144
 145 // we need to translate Mac filenames before passing them to OS functions
 146 #define OS_FILENAME(s) (s.fn_str())
 147
 148 // ============================================================================
 149 // implementation
 150 // ============================================================================
 151
 152 void wxPathList::Add (const wxString& path)
 153 {
 154     wxStringList::Add (WXSTRINGCAST path);
 155 }
 156
 157 // Add paths e.g. from the PATH environment variable
 158 void wxPathList::AddEnvList (const wxString& envVariable)
 159 {
 160   static const wxChar PATH_TOKS[] =
 161 #ifdef __WINDOWS__
 162         wxT(" ;"); // Don't seperate with colon in DOS (used for drive)
 163 #else
 164         wxT(" :;");
 165 #endif
 166
 167   wxChar *val = wxGetenv (WXSTRINGCAST envVariable);
 168   if (val && *val)
 169     {
 170       wxChar *s = copystring (val);
 171       wxChar *save_ptr, *token = wxStrtok (s, PATH_TOKS, &save_ptr);
 172
 173       if (token)
 174       {
 175           Add (copystring (token));
 176           while (token)
 177           {
 178               if ((token = wxStrtok ((wxChar *) NULL, PATH_TOKS, &save_ptr)) != NULL)
 179                   Add (wxString(token));
 180           }
 181       }
 182
 183       // suppress warning about unused variable save_ptr when wxStrtok() is a
 184       // macro which throws away its third argument
 185       save_ptr = token;
 186
 187       delete [] s;
 188     }
 189 }
 190
 191 // Given a full filename (with path), ensure that that file can
 192 // be accessed again USING FILENAME ONLY by adding the path
 193 // to the list if not already there.
 194 void wxPathList::EnsureFileAccessible (const wxString& path)
 195 {
 196     wxString path_only(wxPathOnly(path));
 197     if ( !path_only.IsEmpty() )
 198     {
 199         if ( !Member(path_only) )
 200             Add(path_only);
 201     }
 202 }
 203
 204 bool wxPathList::Member (const wxString& path)
 205 {
 206   for (wxNode * node = First (); node != NULL; node = node->Next ())
 207   {
 208       wxString path2((wxChar *) node->Data ());
 209       if (
 210 #if defined(__WINDOWS__) || defined(__VMS__) || defined (__WXMAC__)
 211       // Case INDEPENDENT
 212           path.CompareTo (path2, wxString::ignoreCase) == 0
 213 #else
 214       // Case sensitive File System
 215           path.CompareTo (path2) == 0
 216 #endif
 217         )
 218         return TRUE;
 219   }
 220   return FALSE;
 221 }
 222
 223 wxString wxPathList::FindValidPath (const wxString& file)
 224 {
 225   if (wxFileExists (wxExpandPath(wxFileFunctionsBuffer, file)))
 226     return wxString(wxFileFunctionsBuffer);
 227
 228   wxChar buf[_MAXPATHLEN];
 229   wxStrcpy(buf, wxFileFunctionsBuffer);
 230
 231   wxChar *filename = (wxChar*) NULL; /* shut up buggy egcs warning */
 232   filename = IsAbsolutePath (buf) ? wxFileNameFromPath (buf) : (wxChar *)buf;
 233
 234   for (wxNode * node = First (); node; node = node->Next ())
 235     {
 236       wxChar *path = (wxChar *) node->Data ();
 237       wxStrcpy (wxFileFunctionsBuffer, path);
 238       wxChar ch = wxFileFunctionsBuffer[wxStrlen(wxFileFunctionsBuffer)-1];
 239       if (ch != wxT('\\') && ch != wxT('/'))
 240         wxStrcat (wxFileFunctionsBuffer, wxT("/"));
 241       wxStrcat (wxFileFunctionsBuffer, filename);
 242 #ifdef __WINDOWS__
 243       Unix2DosFilename (wxFileFunctionsBuffer);
 244 #endif
 245       if (wxFileExists (wxFileFunctionsBuffer))
 246       {
 247         return wxString(wxFileFunctionsBuffer);        // Found!
 248       }
 249     }                                // for()
 250
 251   return wxString(wxT(""));                    // Not found
 252 }
 253
 254 wxString wxPathList::FindAbsoluteValidPath (const wxString& file)
 255 {
 256     wxString f = FindValidPath(file);
 257     if ( wxIsAbsolutePath(f) )
 258         return f;
 259
 260     wxString buf;
 261     wxGetWorkingDirectory(buf.GetWriteBuf(_MAXPATHLEN), _MAXPATHLEN - 1);
 262     buf.UngetWriteBuf();
 263     if ( !wxEndsWithPathSeparator(buf) )
 264     {
 265         buf += wxFILE_SEP_PATH;
 266     }
 267     buf += f;
 268
 269     return buf;
 270 }
 271
 272 bool
 273 wxFileExists (const wxString& filename)
 274 {
 275 #ifdef __WINDOWS__
 276     // GetFileAttributes can copy with network paths
 277     DWORD ret = GetFileAttributes(filename);
 278     DWORD isDir = (ret & FILE_ATTRIBUTE_DIRECTORY);
 279     return ((ret != 0xffffffff) && (isDir == 0));
 280 #else
 281     wxStructStat stbuf;
 282     if ( !filename.empty() && wxStat (OS_FILENAME(filename), &stbuf) == 0 )
 283         return TRUE;
 284
 285     return FALSE;
 286 #endif
 287 }
 288
 289 bool
 290 wxIsAbsolutePath (const wxString& filename)
 291 {
 292     if (filename != wxT(""))
 293     {
 294 #if defined(__WXMAC__) && !defined(__DARWIN__)
 295         // Classic or Carbon CodeWarrior like
 296         // Carbon with Apple DevTools is Unix like
 297
 298         // This seems wrong to me, but there is no fix. since
 299         // "MacOS:MyText.txt" is absolute whereas "MyDir:MyText.txt"
 300         // is not. Or maybe ":MyDir:MyText.txt" has to be used? RR.
 301         if (filename.Find(':') != wxNOT_FOUND && filename[0] != ':')
 302             return TRUE ;
 303 #else
 304         // Unix like or Windows
 305         if (filename[0] == wxT('/'))
 306             return TRUE;
 307 #endif
 308 #ifdef __VMS__
 309         if ((filename[0] == wxT('[') && filename[1] != wxT('.')))
 310             return TRUE;
 311 #endif
 312 #ifdef __WINDOWS__
 313         // MSDOS like
 314         if (filename[0] == wxT('\\') || (wxIsalpha (filename[0]) && filename[1] == wxT(':')))
 315             return TRUE;
 316 #endif
 317     }
 318     return FALSE ;
 319 }
 320
 321 /*
 322  * Strip off any extension (dot something) from end of file,
 323  * IF one exists. Inserts zero into buffer.
 324  *
 325  */
 326
 327 void wxStripExtension(wxChar *buffer)
 328 {
 329   int len = wxStrlen(buffer);
 330   int i = len-1;
 331   while (i > 0)
 332   {
 333     if (buffer[i] == wxT('.'))
 334     {
 335       buffer[i] = 0;
 336       break;
 337     }
 338     i --;
 339   }
 340 }
 341
 342 void wxStripExtension(wxString& buffer)
 343 {
 344   size_t len = buffer.Length();
 345   size_t i = len-1;
 346   while (i > 0)
 347   {
 348     if (buffer.GetChar(i) == wxT('.'))
 349     {
 350       buffer = buffer.Left(i);
 351       break;
 352     }
 353     i --;
 354   }
 355 }
 356
 357 // Destructive removal of /./ and /../ stuff
 358 wxChar *wxRealPath (wxChar *path)
 359 {
 360 #ifdef __WXMSW__
 361   static const wxChar SEP = wxT('\\');
 362   Unix2DosFilename(path);
 363 #else
 364   static const wxChar SEP = wxT('/');
 365 #endif
 366   if (path[0] && path[1]) {
 367     /* MATTHEW: special case "/./x" */
 368     wxChar *p;
 369     if (path[2] == SEP && path[1] == wxT('.'))
 370       p = &path[0];
 371     else
 372       p = &path[2];
 373     for (; *p; p++)
 374       {
 375         if (*p == SEP)
 376           {
 377             if (p[1] == wxT('.') && p[2] == wxT('.') && (p[3] == SEP || p[3] == wxT('\0')))
 378               {
 379                 wxChar *q;
 380                 for (q = p - 1; q >= path && *q != SEP; q--);
 381                 if (q[0] == SEP && (q[1] != wxT('.') || q[2] != wxT('.') || q[3] != SEP)
 382                     && (q - 1 <= path || q[-1] != SEP))
 383                   {
 384                     wxStrcpy (q, p + 3);
 385                     if (path[0] == wxT('\0'))
 386                       {
 387                         path[0] = SEP;
 388                         path[1] = wxT('\0');
 389                       }
 390 #ifdef __WXMSW__
 391                     /* Check that path[2] is NULL! */
 392                     else if (path[1] == wxT(':') && !path[2])
 393                       {
 394                         path[2] = SEP;
 395                         path[3] = wxT('\0');
 396                       }
 397 #endif
 398                     p = q - 1;
 399                   }
 400               }
 401             else if (p[1] == wxT('.') && (p[2] == SEP || p[2] == wxT('\0')))
 402               wxStrcpy (p, p + 2);
 403           }
 404       }
 405   }
 406   return path;
 407 }
 408
 409 // Must be destroyed
 410 wxChar *wxCopyAbsolutePath(const wxString& filename)
 411 {
 412   if (filename == wxT(""))
 413     return (wxChar *) NULL;
 414
 415   if (! IsAbsolutePath(wxExpandPath(wxFileFunctionsBuffer, filename))) {
 416     wxChar  buf[_MAXPATHLEN];
 417     buf[0] = wxT('\0');
 418     wxGetWorkingDirectory(buf, WXSIZEOF(buf));
 419     wxChar ch = buf[wxStrlen(buf) - 1];
 420 #ifdef __WXMSW__
 421     if (ch != wxT('\\') && ch != wxT('/'))
 422         wxStrcat(buf, wxT("\\"));
 423 #else
 424     if (ch != wxT('/'))
 425         wxStrcat(buf, wxT("/"));
 426 #endif
 427     wxStrcat(buf, wxFileFunctionsBuffer);
 428     return copystring( wxRealPath(buf) );
 429   }
 430   return copystring( wxFileFunctionsBuffer );
 431 }
 432
 433 /*-
 434  Handles:
 435    ~/ => home dir
 436    ~user/ => user's home dir
 437    If the environment variable a = "foo" and b = "bar" then:
 438    Unix:
 439         $a        =>        foo
 440         $a$b        =>        foobar
 441         $a.c        =>        foo.c
 442         xxx$a        =>        xxxfoo
 443         ${a}!        =>        foo!
 444         $(b)!        =>        bar!
 445         \$a        =>        \$a
 446    MSDOS:
 447         $a        ==>        $a
 448         $(a)        ==>        foo
 449         $(a)$b        ==>        foo$b
 450         $(a)$(b)==>        foobar
 451         test.$$        ==>        test.$$
 452  */
 453
 454 /* input name in name, pathname output to buf. */
 455
 456 wxChar *wxExpandPath(wxChar *buf, const wxChar *name)
 457 {
 458     register wxChar *d, *s, *nm;
 459     wxChar          lnm[_MAXPATHLEN];
 460     int             q;
 461
 462     // Some compilers don't like this line.
 463 //    const wxChar    trimchars[] = wxT("\n \t");
 464
 465     wxChar      trimchars[4];
 466     trimchars[0] = wxT('\n');
 467     trimchars[1] = wxT(' ');
 468     trimchars[2] = wxT('\t');
 469     trimchars[3] = 0;
 470
 471 #ifdef __WXMSW__
 472      const wxChar     SEP = wxT('\\');
 473 #else
 474      const wxChar     SEP = wxT('/');
 475 #endif
 476     buf[0] = wxT('\0');
 477     if (name == NULL || *name == wxT('\0'))
 478         return buf;
 479     nm = copystring(name); // Make a scratch copy
 480     wxChar *nm_tmp = nm;
 481
 482     /* Skip leading whitespace and cr */
 483     while (wxStrchr((wxChar *)trimchars, *nm) != NULL)
 484         nm++;
 485     /* And strip off trailing whitespace and cr */
 486     s = nm + (q = wxStrlen(nm)) - 1;
 487     while (q-- && wxStrchr((wxChar *)trimchars, *s) != NULL)
 488         *s = wxT('\0');
 489
 490     s = nm;
 491     d = lnm;
 492 #ifdef __WXMSW__
 493     q = FALSE;
 494 #else
 495     q = nm[0] == wxT('\\') && nm[1] == wxT('~');
 496 #endif
 497
 498     /* Expand inline environment variables */
 499 #ifdef __VISAGECPP__
 500     while (*d)
 501     {
 502       *d++ = *s;
 503       if(*s == wxT('\\'))
 504       {
 505         *(d - 1) = *++s;
 506         if (*d)
 507         {
 508           s++;
 509           continue;
 510         }
 511         else
 512            break;
 513       }
 514       else
 515 #else
 516     while ((*d++ = *s) != 0) {
 517 #  ifndef __WXMSW__
 518         if (*s == wxT('\\')) {
 519             if ((*(d - 1) = *++s)) {
 520                 s++;
 521                 continue;
 522             } else
 523                 break;
 524         } else
 525 #  endif
 526 #endif
 527 #ifdef __WXMSW__
 528         if (*s++ == wxT('$') && (*s == wxT('{') || *s == wxT(')')))
 529 #else
 530         if (*s++ == wxT('$'))
 531 #endif
 532         {
 533             register wxChar  *start = d;
 534             register int     braces = (*s == wxT('{') || *s == wxT('('));
 535             register wxChar  *value;
 536             while ((*d++ = *s) != 0)
 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                 for ((d = start - 1); (*d++ = *value++) != 0;);
 545                 d--;
 546                 if (braces && *s)
 547                     s++;
 548             }
 549         }
 550     }
 551
 552     /* Expand ~ and ~user */
 553     nm = lnm;
 554     s = wxT("");
 555     if (nm[0] == wxT('~') && !q)
 556     {
 557         /* prefix ~ */
 558         if (nm[1] == SEP || nm[1] == 0)
 559         {        /* ~/filename */
 560         // FIXME: wxGetUserHome could return temporary storage in Unicode mode
 561             if ((s = WXSTRINGCAST wxGetUserHome(wxT(""))) != NULL) {
 562                 if (*++nm)
 563                     nm++;
 564             }
 565         } else
 566         {                /* ~user/filename */
 567             register wxChar  *nnm;
 568             register wxChar  *home;
 569             for (s = nm; *s && *s != SEP; s++);
 570             int was_sep; /* MATTHEW: Was there a separator, or NULL? */
 571             was_sep = (*s == SEP);
 572             nnm = *s ? s + 1 : s;
 573             *s = 0;
 574         // FIXME: wxGetUserHome could return temporary storage in Unicode mode
 575             if ((home = WXSTRINGCAST wxGetUserHome(wxString(nm + 1))) == NULL) {
 576                if (was_sep) /* replace only if it was there: */
 577                    *s = SEP;
 578                 s = wxT("");
 579             } else {
 580                 nm = nnm;
 581                 s = home;
 582             }
 583         }
 584     }
 585
 586     d = buf;
 587     if (s && *s) { /* MATTHEW: s could be NULL if user '~' didn't exist */
 588         /* Copy home dir */
 589         while (wxT('\0') != (*d++ = *s++))
 590           /* loop */;
 591         // Handle root home
 592         if (d - 1 > buf && *(d - 2) != SEP)
 593           *(d - 1) = SEP;
 594     }
 595     s = nm;
 596     while ((*d++ = *s++) != 0);
 597     delete[] nm_tmp; // clean up alloc
 598     /* Now clean up the buffer */
 599     return wxRealPath(buf);
 600 }
 601
 602 /* Contract Paths to be build upon an environment variable
 603    component:
 604
 605    example: "/usr/openwin/lib", OPENWINHOME --> ${OPENWINHOME}/lib
 606
 607    The call wxExpandPath can convert these back!
 608  */
 609 wxChar *
 610 wxContractPath (const wxString& filename, const wxString& envname, const wxString& user)
 611 {
 612   static wxChar dest[_MAXPATHLEN];
 613
 614   if (filename == wxT(""))
 615     return (wxChar *) NULL;
 616
 617   wxStrcpy (dest, WXSTRINGCAST filename);
 618 #ifdef __WXMSW__
 619   Unix2DosFilename(dest);
 620 #endif
 621
 622   // Handle environment
 623   const wxChar *val = (const wxChar *) NULL;
 624   wxChar *tcp = (wxChar *) NULL;
 625   if (envname != WXSTRINGCAST NULL && (val = wxGetenv (WXSTRINGCAST envname)) != NULL &&
 626      (tcp = wxStrstr (dest, val)) != NULL)
 627     {
 628         wxStrcpy (wxFileFunctionsBuffer, tcp + wxStrlen (val));
 629         *tcp++ = wxT('$');
 630         *tcp++ = wxT('{');
 631         wxStrcpy (tcp, WXSTRINGCAST envname);
 632         wxStrcat (tcp, wxT("}"));
 633         wxStrcat (tcp, wxFileFunctionsBuffer);
 634     }
 635
 636   // Handle User's home (ignore root homes!)
 637   size_t len = 0;
 638   if ((val = wxGetUserHome (user)) != NULL &&
 639       (len = wxStrlen(val)) > 2 &&
 640       wxStrncmp(dest, val, len) == 0)
 641     {
 642       wxStrcpy(wxFileFunctionsBuffer, wxT("~"));
 643       if (user != wxT(""))
 644              wxStrcat(wxFileFunctionsBuffer, (const wxChar*) user);
 645 #ifdef __WXMSW__
 646 //      strcat(wxFileFunctionsBuffer, "\\");
 647 #else
 648 //      strcat(wxFileFunctionsBuffer, "/");
 649 #endif
 650       wxStrcat(wxFileFunctionsBuffer, dest + len);
 651       wxStrcpy (dest, wxFileFunctionsBuffer);
 652     }
 653
 654   return dest;
 655 }
 656
 657 // Return just the filename, not the path
 658 // (basename)
 659 wxChar *wxFileNameFromPath (wxChar *path)
 660 {
 661     if (path)
 662     {
 663         register wxChar *tcp;
 664
 665         tcp = path + wxStrlen (path);
 666         while (--tcp >= path)
 667         {
 668 #if defined(__WXMAC__) && !defined(__DARWIN__)
 669             // Classic or Carbon CodeWarrior like
 670             // Carbon with Apple DevTools is Unix like
 671             if (*tcp == wxT(':'))
 672                 return tcp + 1;
 673 #else
 674             // Unix like or Windows
 675             if (*tcp == wxT('/') || *tcp == wxT('\\'))
 676                 return tcp + 1;
 677 #endif
 678 #ifdef __VMS__
 679             if (*tcp == wxT(':') || *tcp == wxT(']'))
 680                 return tcp + 1;
 681 #endif
 682         } /* while */
 683 #if defined(__WXMSW__) || defined(__WXPM__)
 684         // MSDOS like
 685         if (wxIsalpha (*path) && *(path + 1) == wxT(':'))
 686             return path + 2;
 687 #endif
 688     }
 689     return path;
 690 }
 691
 692 wxString wxFileNameFromPath (const wxString& path1)
 693 {
 694     if (path1 != wxT(""))
 695     {
 696         wxChar *path = WXSTRINGCAST path1 ;
 697         register wxChar *tcp;
 698
 699         tcp = path + wxStrlen (path);
 700         while (--tcp >= path)
 701         {
 702 #if defined(__WXMAC__) && !defined(__DARWIN__)
 703             // Classic or Carbon CodeWarrior like
 704             // Carbon with Apple DevTools is Unix like
 705             if (*tcp == wxT(':') )
 706                 return wxString(tcp + 1);
 707 #else
 708             // Unix like or Windows
 709             if (*tcp == wxT('/') || *tcp == wxT('\\'))
 710                 return wxString(tcp + 1);
 711 #endif
 712 #ifdef __VMS__
 713             if (*tcp == wxT(':') || *tcp == wxT(']'))
 714                 return wxString(tcp + 1);
 715 #endif
 716         } /* while */
 717 #if defined(__WXMSW__) || defined(__WXPM__)
 718         // MSDOS like
 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         int i = l - 1;
 741
 742         // Search backward for a backward or forward slash
 743         while (i > -1)
 744         {
 745 #if defined(__WXMAC__) && !defined(__DARWIN__)
 746             // Classic or Carbon CodeWarrior like
 747             // Carbon with Apple DevTools is Unix like
 748             if (path[i] == wxT(':') )
 749             {
 750                 buf[i] = 0;
 751                 return buf;
 752             }
 753 #else
 754             // Unix like or Windows
 755             if (path[i] == wxT('/') || path[i] == wxT('\\'))
 756             {
 757                 buf[i] = 0;
 758                 return buf;
 759             }
 760 #endif
 761 #ifdef __VMS__
 762             if (path[i] == wxT(']'))
 763             {
 764                 buf[i+1] = 0;
 765                 return buf;
 766             }
 767 #endif
 768             i --;
 769         }
 770
 771 #if defined(__WXMSW__) || defined(__WXPM__)
 772         // Try Drive specifier
 773         if (wxIsalpha (buf[0]) && buf[1] == wxT(':'))
 774         {
 775             // A:junk --> A:. (since A:.\junk Not A:\junk)
 776             buf[2] = wxT('.');
 777             buf[3] = wxT('\0');
 778             return buf;
 779         }
 780 #endif
 781     }
 782     return (wxChar *) NULL;
 783 }
 784
 785 // Return just the directory, or NULL if no directory
 786 wxString wxPathOnly (const wxString& path)
 787 {
 788     if (path != wxT(""))
 789     {
 790         wxChar buf[_MAXPATHLEN];
 791
 792         // Local copy
 793         wxStrcpy (buf, WXSTRINGCAST path);
 794
 795         int l = path.Length();
 796         int i = l - 1;
 797
 798         // Search backward for a backward or forward slash
 799         while (i > -1)
 800         {
 801 #if defined(__WXMAC__) && !defined(__DARWIN__)
 802             // Classic or Carbon CodeWarrior like
 803             // Carbon with Apple DevTools is Unix like
 804             if (path[i] == wxT(':') )
 805             {
 806                 buf[i] = 0;
 807                 return wxString(buf);
 808             }
 809 #else
 810             // Unix like or Windows
 811             if (path[i] == wxT('/') || path[i] == wxT('\\'))
 812             {
 813                 buf[i] = 0;
 814                 return wxString(buf);
 815             }
 816 #endif
 817 #ifdef __VMS__
 818             if (path[i] == wxT(']'))
 819             {
 820                 buf[i+1] = 0;
 821                 return wxString(buf);
 822             }
 823 #endif
 824             i --;
 825         }
 826
 827 #if defined(__WXMSW__) || defined(__WXPM__)
 828         // Try Drive specifier
 829         if (wxIsalpha (buf[0]) && buf[1] == wxT(':'))
 830         {
 831             // A:junk --> A:. (since A:.\junk Not A:\junk)
 832             buf[2] = wxT('.');
 833             buf[3] = wxT('\0');
 834             return wxString(buf);
 835         }
 836 #endif
 837     }
 838     return wxString(wxT(""));
 839 }
 840
 841 // Utility for converting delimiters in DOS filenames to UNIX style
 842 // and back again - or we get nasty problems with delimiters.
 843 // Also, convert to lower case, since case is significant in UNIX.
 844
 845 #if defined(__WXMAC__)
 846 wxString wxMacFSSpec2MacFilename( const FSSpec *spec )
 847 {
 848     Handle    myPath ;
 849     short     length ;
 850
 851     FSpGetFullPath( spec , &length , &myPath ) ;
 852     ::SetHandleSize( myPath , length + 1 ) ;
 853     ::HLock( myPath ) ;
 854     (*myPath)[length] = 0 ;
 855     if ( length > 0 && (*myPath)[length-1] ==':' )
 856         (*myPath)[length-1] = 0 ;
 857
 858 #ifdef __DARWIN__
 859     wxString result( wxMac2UnixFilename((char*) *myPath) ) ;
 860 #else
 861     wxString result( (char*) *myPath ) ;
 862 #endif
 863     ::HUnlock( myPath ) ;
 864     ::DisposeHandle( myPath ) ;
 865     return result ;
 866 }
 867
 868 void wxMacFilename2FSSpec( const char *path , FSSpec *spec )
 869 {
 870 #ifdef __DARWIN__
 871     const char *s = wxUnix2MacFilename(path);
 872     FSpLocationFromFullPath( strlen(s) , s , spec ) ;
 873 #else
 874     FSpLocationFromFullPath( strlen(path) , path , spec ) ;
 875 #endif
 876 }
 877
 878 static char sMacFileNameConversion[ 1000 ] ;
 879
 880 wxString wxMac2UnixFilename (const char *str)
 881 {
 882     char *s = sMacFileNameConversion ;
 883     strcpy( s , str ) ;
 884   if (s)
 885   {
 886     memmove( s+1 , s ,strlen( s ) + 1) ;
 887     if ( *s == ':' )
 888             *s = '.' ;
 889     else
 890             *s = '/' ;
 891
 892     while (*s)
 893     {
 894             if (*s == ':')
 895               *s = '/';
 896             else
 897               *s = wxTolower (*s);        // Case INDEPENDENT
 898             s++;
 899     }
 900   }
 901   return wxString (sMacFileNameConversion) ;
 902 }
 903
 904 wxString wxUnix2MacFilename (const char *str)
 905 {
 906     char *s = sMacFileNameConversion ;
 907     strcpy( s , str ) ;
 908   if (s)
 909   {
 910     if ( *s == '.' )
 911     {
 912       // relative path , since it goes on with slash which is translated to a :
 913       memmove( s , s+1 ,strlen( s ) ) ;
 914     }
 915     else if ( *s == '/' )
 916     {
 917       // absolute path -> on mac just start with the drive name
 918       memmove( s , s+1 ,strlen( s ) ) ;
 919     }
 920     else
 921     {
 922       wxASSERT_MSG( 1 , "unkown path beginning" ) ;
 923     }
 924     while (*s)
 925     {
 926       if (*s == '/' || *s == '\\')
 927       {
 928           // convert any back-directory situations
 929           if ( *(s+1) == '.' && *(s+2) == '.' && ( (*(s+3) == '/' || *(s+3) == '\\') ) )
 930           {
 931           *s = ':';
 932                 memmove( s+1 , s+3 ,strlen( s+3 ) + 1 ) ;
 933           }
 934           else
 935           *s = ':';
 936       }
 937
 938       s++ ;
 939     }
 940   }
 941   return wxString (sMacFileNameConversion) ;
 942 }
 943
 944 wxString wxMacFSSpec2UnixFilename( const FSSpec *spec )
 945 {
 946     return wxMac2UnixFilename( wxMacFSSpec2MacFilename( spec) ) ;
 947 }
 948
 949 void wxUnixFilename2FSSpec( const char *path , FSSpec *spec )
 950 {
 951     wxString var = wxUnix2MacFilename( path ) ;
 952     wxMacFilename2FSSpec( var , spec ) ;
 953 }
 954
 955 #endif // __WXMAC__
 956
 957 void
 958 wxDos2UnixFilename (char *s)
 959 {
 960   if (s)
 961     while (*s)
 962       {
 963         if (*s == '\\')
 964           *s = '/';
 965 #ifdef __WXMSW__
 966         else
 967           *s = wxTolower (*s);        // Case INDEPENDENT
 968 #endif
 969         s++;
 970       }
 971 }
 972
 973 void
 974 #if defined(__WXMSW__) || defined(__WXPM__)
 975 wxUnix2DosFilename (wxChar *s)
 976 #else
 977 wxUnix2DosFilename (wxChar *WXUNUSED(s) )
 978 #endif
 979 {
 980 // Yes, I really mean this to happen under DOS only! JACS
 981 #if defined(__WXMSW__) || defined(__WXPM__)
 982   if (s)
 983     while (*s)
 984       {
 985         if (*s == wxT('/'))
 986           *s = wxT('\\');
 987         s++;
 988       }
 989 #endif
 990 }
 991
 992 // Concatenate two files to form third
 993 bool
 994 wxConcatFiles (const wxString& file1, const wxString& file2, const wxString& file3)
 995 {
 996   wxString outfile;
 997   if ( !wxGetTempFileName("cat", outfile) )
 998       return FALSE;
 999
1000   FILE *fp1 = (FILE *) NULL;
1001   FILE *fp2 = (FILE *) NULL;
1002   FILE *fp3 = (FILE *) NULL;
1003   // Open the inputs and outputs
1004   if ((fp1 = wxFopen (OS_FILENAME( file1 ), wxT("rb"))) == NULL ||
1005       (fp2 = wxFopen (OS_FILENAME( file2 ), wxT("rb"))) == NULL ||
1006       (fp3 = wxFopen (OS_FILENAME( outfile ), wxT("wb"))) == NULL)
1007     {
1008       if (fp1)
1009         fclose (fp1);
1010       if (fp2)
1011         fclose (fp2);
1012       if (fp3)
1013         fclose (fp3);
1014       return FALSE;
1015     }
1016
1017   int ch;
1018   while ((ch = getc (fp1)) != EOF)
1019     (void) putc (ch, fp3);
1020   fclose (fp1);
1021
1022   while ((ch = getc (fp2)) != EOF)
1023     (void) putc (ch, fp3);
1024   fclose (fp2);
1025
1026   fclose (fp3);
1027   bool result = wxRenameFile(outfile, file3);
1028   return result;
1029 }
1030
1031 // Copy files
1032 bool
1033 wxCopyFile (const wxString& file1, const wxString& file2, bool overwrite)
1034 {
1035 #if defined(__WIN32__) && !defined(__WXMICROWIN__)
1036     // CopyFile() copies file attributes and modification time too, so use it
1037     // instead of our code if available
1038     //
1039     // NB: 3rd parameter is bFailIfExists i.e. the inverse of overwrite
1040     return ::CopyFile(file1, file2, !overwrite) != 0;
1041 #elif defined(__WXPM__)
1042     if (::DosCopy(file2, file2, overwrite ? DCPY_EXISTING : 0) == 0)
1043         return TRUE;
1044     else
1045         return FALSE;
1046 #else // !Win32
1047     wxStructStat fbuf;
1048
1049     // get permissions of file1
1050     if ( wxStat(OS_FILENAME(file1), &fbuf) != 0 )
1051     {
1052         // the file probably doesn't exist or we haven't the rights to read
1053         // from it anyhow
1054         wxLogSysError(_("Impossible to get permissions for file '%s'"),
1055                       file1.c_str());
1056         return FALSE;
1057     }
1058
1059     // open file1 for reading
1060     wxFile fileIn(file1, wxFile::read);
1061     if ( !fileIn.IsOpened() )
1062         return FALSE;
1063
1064     // remove file2, if it exists. This is needed for creating
1065     // file2 with the correct permissions in the next step
1066     if ( wxFileExists(file2)  && (!overwrite || !wxRemoveFile(file2)))
1067     {
1068         wxLogSysError(_("Impossible to overwrite the file '%s'"),
1069                       file2.c_str());
1070         return FALSE;
1071     }
1072
1073 #ifdef __UNIX__
1074     // reset the umask as we want to create the file with exactly the same
1075     // permissions as the original one
1076     mode_t oldUmask = umask( 0 );
1077 #endif // __UNIX__
1078
1079     // create file2 with the same permissions than file1 and open it for
1080     // writing
1081     wxFile fileOut;
1082     if ( !fileOut.Create(file2, overwrite, fbuf.st_mode & 0777) )
1083         return FALSE;
1084
1085 #ifdef __UNIX__
1086     /// restore the old umask
1087     umask(oldUmask);
1088 #endif // __UNIX__
1089
1090     // copy contents of file1 to file2
1091     char buf[4096];
1092     size_t count;
1093     for ( ;; )
1094     {
1095         count = fileIn.Read(buf, WXSIZEOF(buf));
1096         if ( fileIn.Error() )
1097             return FALSE;
1098
1099         // end of file?
1100         if ( !count )
1101             break;
1102
1103         if ( fileOut.Write(buf, count) < count )
1104             return FALSE;
1105     }
1106
1107     // we can expect fileIn to be closed successfully, but we should ensure
1108     // that fileOut was closed as some write errors (disk full) might not be
1109     // detected before doing this
1110     if ( !fileIn.Close() || !fileOut.Close() )
1111         return FALSE;
1112
1113 #if !defined(__VISAGECPP__) && !defined(__WXMAC__) || defined(__UNIX__)
1114     // no chmod in VA.  Should be some permission API for HPFS386 partitions
1115     // however
1116     if ( chmod(OS_FILENAME(file2), fbuf.st_mode) != 0 )
1117     {
1118         wxLogSysError(_("Impossible to set permissions for the file '%s'"),
1119                       file2.c_str());
1120         return FALSE;
1121     }
1122 #endif // OS/2 || Mac
1123
1124     return TRUE;
1125 #endif // __WXMSW__ && __WIN32__
1126 }
1127
1128 bool
1129 wxRenameFile (const wxString& file1, const wxString& file2)
1130 {
1131   // Normal system call
1132   if ( wxRename (file1, file2) == 0 )
1133     return TRUE;
1134
1135   // Try to copy
1136   if (wxCopyFile(file1, file2)) {
1137     wxRemoveFile(file1);
1138     return TRUE;
1139   }
1140   // Give up
1141   return FALSE;
1142 }
1143
1144 bool wxRemoveFile(const wxString& file)
1145 {
1146 #if defined(__VISUALC__) \
1147  || defined(__BORLANDC__) \
1148  || defined(__WATCOMC__) \
1149  || defined(__GNUWIN32__)
1150   int res = wxRemove(file);
1151 #else
1152   int res = unlink(OS_FILENAME(file));
1153 #endif
1154
1155   return res == 0;
1156 }
1157
1158 bool wxMkdir(const wxString& dir, int perm)
1159 {
1160 #if defined(__WXMAC__) && !defined(__UNIX__)
1161   return (mkdir( dir , 0 ) == 0);
1162 #else // !Mac
1163     const wxChar *dirname = dir.c_str();
1164
1165     // assume mkdir() has 2 args on non Windows-OS/2 platforms and on Windows too
1166     // for the GNU compiler
1167 #if (!(defined(__WXMSW__) || defined(__WXPM__))) || (defined(__GNUWIN32__) && !defined(__MINGW32__)) || defined(__WXWINE__) || defined(__WXMICROWIN__)
1168     if ( mkdir(wxFNCONV(dirname), perm) != 0 )
1169 #elif defined(__WXPM__)
1170     if (::DosCreateDir((PSZ)dirname, NULL) != 0) // enhance for EAB's??
1171 #else  // !MSW and !OS/2 VAC++
1172     (void)perm;
1173     if ( wxMkDir(wxFNSTRINGCAST wxFNCONV(dirname)) != 0 )
1174 #endif // !MSW/MSW
1175     {
1176         wxLogSysError(_("Directory '%s' couldn't be created"), dirname);
1177
1178         return FALSE;
1179     }
1180
1181     return TRUE;
1182 #endif // Mac/!Mac
1183 }
1184
1185 bool wxRmdir(const wxString& dir, int WXUNUSED(flags))
1186 {
1187 #ifdef __VMS__
1188   return FALSE; //to be changed since rmdir exists in VMS7.x
1189 #elif defined(__WXPM__)
1190   return (::DosDeleteDir((PSZ)dir.c_str()) == 0);
1191 #else
1192
1193 #ifdef __SALFORDC__
1194   return FALSE; // What to do?
1195 #else
1196   return (wxRmDir(OS_FILENAME(dir)) == 0);
1197 #endif
1198
1199 #endif
1200 }
1201
1202 // does the path exists? (may have or not '/' or '\\' at the end)
1203 bool wxPathExists(const wxChar *pszPathName)
1204 {
1205     wxString strPath(pszPathName);
1206 #ifdef __WINDOWS__
1207     // Windows fails to find directory named "c:\dir\" even if "c:\dir" exists,
1208     // so remove all trailing backslashes from the path - but don't do this for
1209     // the pathes "d:\" (which are different from "d:") nor for just "\"
1210     while ( wxEndsWithPathSeparator(strPath) )
1211     {
1212         size_t len = strPath.length();
1213         if ( len == 1 || (len == 3 && strPath[len - 2] == _T(':')) )
1214             break;
1215
1216         strPath.Truncate(len - 1);
1217     }
1218 #endif // __WINDOWS__
1219
1220 #ifdef __WINDOWS__
1221     // Stat can't cope with network paths
1222     DWORD ret = GetFileAttributes(strPath.c_str());
1223     DWORD isDir = (ret & FILE_ATTRIBUTE_DIRECTORY);
1224     return ((ret != 0xffffffff) && (isDir != 0));
1225 #else
1226
1227     wxStructStat st;
1228 #ifndef __VISAGECPP__
1229     return wxStat(wxFNSTRINGCAST strPath.fn_str(), &st) == 0 &&
1230         ((st.st_mode & S_IFMT) == S_IFDIR);
1231 #else
1232     // S_IFMT not supported in VA compilers.. st_mode is a 2byte value only
1233     return wxStat(wxFNSTRINGCAST strPath.fn_str(), &st) == 0 &&
1234         (st.st_mode == S_IFDIR);
1235 #endif
1236
1237 #endif
1238 }
1239
1240 // Get a temporary filename, opening and closing the file.
1241 wxChar *wxGetTempFileName(const wxString& prefix, wxChar *buf)
1242 {
1243 #if defined(__WINDOWS__) && !defined(__WXMICROWIN__)
1244
1245 #ifndef        __WIN32__
1246   wxChar tmp[144];
1247   ::GetTempFileName(0, WXSTRINGCAST prefix, 0, tmp);
1248 #else
1249   wxChar tmp[MAX_PATH];
1250   wxChar tmpPath[MAX_PATH];
1251   ::GetTempPath(MAX_PATH, tmpPath);
1252   ::GetTempFileName(tmpPath, WXSTRINGCAST prefix, 0, tmp);
1253 #endif
1254   if (buf) wxStrcpy(buf, tmp);
1255   else buf = copystring(tmp);
1256   return buf;
1257
1258 #else
1259   static short last_temp = 0;        // cache last to speed things a bit
1260   // At most 1000 temp files to a process! We use a ring count.
1261   wxChar tmp[100]; // FIXME static buffer
1262
1263   for (short suffix = last_temp + 1; suffix != last_temp; ++suffix %= 1000)
1264     {
1265       wxSprintf (tmp, wxT("/tmp/%s%d.%03x"), WXSTRINGCAST prefix, (int) getpid (), (int) suffix);
1266       if (!wxFileExists( tmp ))
1267         {
1268           // Touch the file to create it (reserve name)
1269           FILE *fd = fopen (wxFNCONV(tmp), "w");
1270           if (fd)
1271             fclose (fd);
1272           last_temp = suffix;
1273           if (buf)
1274             wxStrcpy( buf, tmp);
1275           else
1276             buf = copystring( tmp );
1277           return buf;
1278         }
1279     }
1280   wxLogError( _("wxWindows: error finding temporary file name.\n") );
1281   if (buf) buf[0] = 0;
1282   return (wxChar *) NULL;
1283 #endif
1284 }
1285
1286 bool wxGetTempFileName(const wxString& prefix, wxString& buf)
1287 {
1288     wxChar buf2[512];
1289     if (wxGetTempFileName(prefix, buf2) != (wxChar*) NULL)
1290     {
1291         buf = buf2;
1292         return TRUE;
1293     }
1294     else
1295         return FALSE;
1296 }
1297
1298 // Get first file name matching given wild card.
1299
1300 #if defined(__UNIX__) && !defined(__WXMAC__)
1301
1302 // Get first file name matching given wild card.
1303 // Flags are reserved for future use.
1304
1305 #if !defined( __VMS__ ) || ( __VMS_VER >= 70000000 )
1306     static DIR *gs_dirStream = (DIR *) NULL;
1307     static wxString gs_strFileSpec;
1308     static int gs_findFlags = 0;
1309 #endif
1310
1311 wxString wxFindFirstFile(const wxChar *spec, int flags)
1312 {
1313     wxString result;
1314 #ifdef __VMS
1315    wxChar *specvms = NULL;
1316 #endif
1317
1318 #if !defined( __VMS__ ) || ( __VMS_VER >= 70000000 )
1319     if (gs_dirStream)
1320         closedir(gs_dirStream); // edz 941103: better housekeping
1321
1322     gs_findFlags = flags;
1323
1324     gs_strFileSpec = spec;
1325
1326     // Find path only so we can concatenate
1327     // found file onto path
1328     wxString path(wxPathOnly(gs_strFileSpec));
1329
1330     // special case: path is really "/"
1331     if ( !path && gs_strFileSpec[0u] == wxT('/') )
1332 #ifdef __VMS
1333      {
1334         wxStrcpy( specvms , wxT( "[000000]" ) );
1335         gs_strFileSpec = specvms;
1336         wxString path_vms(wxPathOnly(gs_strFileSpec));
1337         path = path_vms;
1338      }
1339 #else
1340      path = wxT('/');
1341 #endif
1342    // path is empty => Local directory
1343     if ( !path )
1344 #ifdef __VMS
1345      {
1346         wxStrcpy( specvms , wxT( "[]" ) );
1347         gs_strFileSpec = specvms;
1348         wxString path_vms1(wxPathOnly(gs_strFileSpec));
1349         path = path_vms1;
1350      }
1351 #else
1352      path = wxT('.');
1353 #endif
1354
1355     gs_dirStream = opendir(path.fn_str());
1356     if ( !gs_dirStream )
1357     {
1358         wxLogSysError(_("Can not enumerate files in directory '%s'"),
1359                       path.c_str());
1360     }
1361     else
1362     {
1363         result = wxFindNextFile();
1364     }
1365 #endif // !VMS6.x or earlier
1366
1367     return result;
1368 }
1369
1370 wxString wxFindNextFile()
1371 {
1372     wxString result;
1373
1374 #if !defined( __VMS__ ) || ( __VMS_VER >= 70000000 )
1375     wxCHECK_MSG( gs_dirStream, result, wxT("must call wxFindFirstFile first") );
1376
1377     // Find path only so we can concatenate
1378     // found file onto path
1379     wxString path(wxPathOnly(gs_strFileSpec));
1380     wxString name(wxFileNameFromPath(gs_strFileSpec));
1381
1382     /* MATTHEW: special case: path is really "/" */
1383     if ( !path && gs_strFileSpec[0u] == wxT('/'))
1384         path = wxT('/');
1385
1386     // Do the reading
1387     struct dirent *nextDir;
1388     for ( nextDir = readdir(gs_dirStream);
1389           nextDir != NULL;
1390           nextDir = readdir(gs_dirStream) )
1391     {
1392         if (wxMatchWild(name, nextDir->d_name, FALSE) &&   // RR: added FALSE to find hidden files
1393         strcmp(nextDir->d_name, ".") &&
1394         strcmp(nextDir->d_name, "..") )
1395         {
1396             result.Empty();
1397             if ( !path.IsEmpty() )
1398             {
1399                 result = path;
1400                 if ( path != wxT('/') )
1401                     result += wxT('/');
1402             }
1403
1404             result += nextDir->d_name;
1405
1406             // Only return "." and ".." when they match
1407             bool isdir;
1408             if ( (strcmp(nextDir->d_name, ".") == 0) ||
1409                  (strcmp(nextDir->d_name, "..") == 0))
1410             {
1411                 if ( (gs_findFlags & wxDIR) != 0 )
1412                     isdir = TRUE;
1413                 else
1414                     continue;
1415             }
1416             else
1417                 isdir = wxDirExists(result);
1418
1419             // and only return directories when flags & wxDIR
1420             if ( !gs_findFlags ||
1421                  ((gs_findFlags & wxDIR) && isdir) ||
1422                  ((gs_findFlags & wxFILE) && !isdir) )
1423             {
1424                 return result;
1425             }
1426         }
1427     }
1428
1429     result.Empty(); // not found
1430
1431     closedir(gs_dirStream);
1432     gs_dirStream = (DIR *) NULL;
1433 #endif // !VMS6.2 or earlier
1434
1435     return result;
1436 }
1437
1438 #elif defined(__WXMAC__)
1439
1440 struct MacDirectoryIterator
1441 {
1442     CInfoPBRec            m_CPB ;
1443     wxInt16                m_index ;
1444     long                m_dirId ;
1445     Str255                m_name ;
1446 } ;
1447
1448 static int g_iter_flags ;
1449
1450 static MacDirectoryIterator g_iter ;
1451 wxString g_iter_spec ;
1452
1453 wxString wxFindFirstFile(const wxChar *spec, int flags)
1454 {
1455     wxString result;
1456
1457     g_iter_spec = spec ;
1458     g_iter_spec.MakeUpper() ;
1459     g_iter_flags = flags; /* MATTHEW: [5] Remember flags */
1460
1461     // Find path only so we can concatenate found file onto path
1462     wxString path(wxPathOnly(spec));
1463 #ifdef __DARWIN__
1464     // TODO:check whether is necessary/correct
1465     if ( !path.IsEmpty() )
1466         result << path << wxT('/');
1467 #else
1468     result = path ;
1469 #endif
1470     FSSpec fsspec ;
1471
1472     wxMacFilename2FSSpec( result , &fsspec ) ;
1473     g_iter.m_CPB.hFileInfo.ioVRefNum = fsspec.vRefNum ;
1474     g_iter.m_CPB.hFileInfo.ioNamePtr = g_iter.m_name ;
1475     g_iter.m_index = 0 ;
1476
1477     Boolean isDir ;
1478     FSpGetDirectoryID( &fsspec , &g_iter.m_dirId , &isDir ) ;
1479     if ( !isDir )
1480         return wxEmptyString ;
1481
1482     return wxFindNextFile( ) ;
1483 }
1484
1485 wxString wxFindNextFile()
1486 {
1487     wxString result;
1488
1489     short err = noErr ;
1490     wxString name ;
1491
1492     while(1)
1493     {
1494       while ( err == noErr )
1495       {
1496           g_iter.m_index++ ;
1497           g_iter.m_CPB.dirInfo.ioFDirIndex = g_iter.m_index;
1498           g_iter.m_CPB.dirInfo.ioDrDirID = g_iter.m_dirId;    /* we need to do this every time */
1499           err = PBGetCatInfoSync((CInfoPBPtr)&g_iter.m_CPB);
1500           if ( err != noErr )
1501               break ;
1502
1503           if ( ( g_iter.m_CPB.dirInfo.ioFlAttrib & ioDirMask) != 0 && (g_iter_flags & wxDIR) ) //  we have a directory
1504               break ;
1505
1506           if ( ( g_iter.m_CPB.dirInfo.ioFlAttrib & ioDirMask) == 0 && !(g_iter_flags & wxFILE ) )
1507               continue ;
1508
1509           // hit !
1510           break ;
1511       }
1512       if ( err != noErr )
1513       {
1514           return wxEmptyString ;
1515       }
1516       FSSpec spec ;
1517
1518       FSMakeFSSpecCompat(g_iter.m_CPB.hFileInfo.ioVRefNum,
1519                                      g_iter.m_dirId,
1520                                      g_iter.m_name,
1521                                      &spec) ;
1522
1523       wxString name = wxMacFSSpec2MacFilename( &spec ) ;
1524       if ( g_iter_spec.Right(4)==(":*.*") || g_iter_spec.Right(2)==(":*") || name.Upper().Matches(g_iter_spec) )
1525         return name ;
1526     }
1527     return wxEmptyString ;
1528 }
1529
1530 #elif defined(__WXMSW__)
1531
1532 #ifdef __WIN32__
1533     static HANDLE gs_hFileStruct = INVALID_HANDLE_VALUE;
1534     static WIN32_FIND_DATA gs_findDataStruct;
1535 #else // Win16
1536     #ifdef __BORLANDC__
1537         static struct ffblk gs_findDataStruct;
1538     #else
1539         static struct _find_t gs_findDataStruct;
1540     #endif // Borland
1541 #endif // Win32/16
1542
1543 static wxString gs_strFileSpec;
1544 static int gs_findFlags = 0;
1545
1546 wxString wxFindFirstFile(const wxChar *spec, int flags)
1547 {
1548     wxString result;
1549
1550     gs_strFileSpec = spec;
1551     gs_findFlags = flags; /* MATTHEW: [5] Remember flags */
1552
1553     // Find path only so we can concatenate found file onto path
1554     wxString path(wxPathOnly(gs_strFileSpec));
1555     if ( !path.IsEmpty() )
1556         result << path << wxT('\\');
1557
1558 #ifdef __WIN32__
1559     if ( gs_hFileStruct != INVALID_HANDLE_VALUE )
1560         FindClose(gs_hFileStruct);
1561
1562     gs_hFileStruct = ::FindFirstFile(WXSTRINGCAST spec, &gs_findDataStruct);
1563
1564     if ( gs_hFileStruct == INVALID_HANDLE_VALUE )
1565     {
1566         result.Empty();
1567
1568         return result;
1569     }
1570
1571     bool isdir = !!(gs_findDataStruct.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY);
1572
1573     if (isdir && !(flags & wxDIR))
1574         return wxFindNextFile();
1575     else if (!isdir && flags && !(flags & wxFILE))
1576         return wxFindNextFile();
1577
1578     result += gs_findDataStruct.cFileName;
1579
1580     return result;
1581 #else // !Win32
1582     int flag = _A_NORMAL;
1583     if (flags & wxDIR)
1584         flag = _A_SUBDIR;
1585
1586 #ifdef __BORLANDC__
1587     if (findfirst(WXSTRINGCAST spec, &gs_findDataStruct, flag) == 0)
1588 #else
1589         if (_dos_findfirst(WXSTRINGCAST spec, flag, &gs_findDataStruct) == 0)
1590 #endif
1591         {
1592             char attrib;
1593
1594 #ifdef __BORLANDC__
1595             attrib = gs_findDataStruct.ff_attrib;
1596 #else
1597             attrib = gs_findDataStruct.attrib;
1598 #endif
1599
1600             if (attrib & _A_SUBDIR) {
1601                 if (!(gs_findFlags & wxDIR))
1602                     return wxFindNextFile();
1603             } else if (gs_findFlags && !(gs_findFlags & wxFILE))
1604                 return wxFindNextFile();
1605
1606             result +=
1607 #ifdef __BORLANDC__
1608                     gs_findDataStruct.ff_name
1609 #else
1610                     gs_findDataStruct.name
1611 #endif
1612                     ;
1613         }
1614
1615     return result;
1616 #endif // __WIN32__
1617 }
1618
1619
1620 wxString wxFindNextFile()
1621 {
1622     wxString result;
1623
1624     // Find path only so we can concatenate found file onto path
1625     wxString path(wxPathOnly(gs_strFileSpec));
1626
1627 try_again:
1628
1629 #ifdef __WIN32__
1630     if (gs_hFileStruct == INVALID_HANDLE_VALUE)
1631         return result;
1632
1633     bool success = (FindNextFile(gs_hFileStruct, &gs_findDataStruct) != 0);
1634     if (!success)
1635     {
1636         FindClose(gs_hFileStruct);
1637         gs_hFileStruct = INVALID_HANDLE_VALUE;
1638     }
1639     else
1640     {
1641         bool isdir = !!(gs_findDataStruct.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY);
1642
1643         if (isdir && !(gs_findFlags & wxDIR))
1644             goto try_again;
1645         else if (!isdir && gs_findFlags && !(gs_findFlags & wxFILE))
1646             goto try_again;
1647
1648         if ( !path.IsEmpty() )
1649             result << path << wxT('\\');
1650         result << gs_findDataStruct.cFileName;
1651     }
1652
1653     return result;
1654 #else // Win16
1655
1656 #ifdef __BORLANDC__
1657     if (findnext(&gs_findDataStruct) == 0)
1658 #else
1659         if (_dos_findnext(&gs_findDataStruct) == 0)
1660 #endif
1661         {
1662             /* MATTHEW: [5] Check directory flag */
1663             char attrib;
1664
1665 #ifdef __BORLANDC__
1666             attrib = gs_findDataStruct.ff_attrib;
1667 #else
1668             attrib = gs_findDataStruct.attrib;
1669 #endif
1670
1671             if (attrib & _A_SUBDIR) {
1672                 if (!(gs_findFlags & wxDIR))
1673                     goto try_again;
1674             } else if (gs_findFlags && !(gs_findFlags & wxFILE))
1675                 goto try_again;
1676
1677
1678             result +=
1679 #ifdef __BORLANDC__
1680                       gs_findDataStruct.ff_name
1681 #else
1682                       gs_findDataStruct.name
1683 #endif
1684                       ;
1685         }
1686
1687     return result;
1688 #endif // Win32/16
1689 }
1690
1691 #elif defined(__WXPM__)
1692
1693 wxString wxFindFirstFile(const wxChar *spec, int flags)
1694 {
1695     wxString result;
1696
1697     /*
1698     // TODO: figure something out here for OS/2
1699     gs_strFileSpec = spec;
1700     gs_findFlags = flags;
1701
1702     // Find path only so we can concatenate found file onto path
1703     wxString path(wxPathOnly(gs_strFileSpec));
1704     if ( !path.IsEmpty() )
1705         result << path << wxT('\\');
1706
1707     int flag = _A_NORMAL;
1708     if (flags & wxDIR)
1709         flag = _A_SUBDIR;
1710
1711     if (_dos_findfirst(WXSTRINGCAST spec, flag, &gs_findDataStruct) == 0)
1712     {
1713         char attrib;
1714         attrib = gs_findDataStruct.attrib;
1715
1716         if (attrib & _A_SUBDIR) {
1717             if (!(gs_findFlags & wxDIR))
1718                 return wxFindNextFile();
1719         } else if (gs_findFlags && !(gs_findFlags & wxFILE))
1720             return wxFindNextFile();
1721
1722         result += gs_findDataStruct.name;
1723     }
1724     */
1725     return result;
1726 }
1727
1728 wxString wxFindNextFile()
1729 {
1730     wxString result;
1731     // TODO:
1732     return result;
1733 }
1734
1735 #endif // Unix/Windows/OS/2
1736
1737 // Get current working directory.
1738 // If buf is NULL, allocates space using new, else
1739 // copies into buf.
1740 wxChar *wxGetWorkingDirectory(wxChar *buf, int sz)
1741 {
1742   if (!buf)
1743     buf = new wxChar[sz+1];
1744 #if wxUSE_UNICODE
1745   char *cbuf = new char[sz+1];
1746 #ifdef _MSC_VER
1747   if (_getcwd(cbuf, sz) == NULL) {
1748 #elif defined(__WXMAC__) && !defined(__DARWIN__)
1749     enum
1750     {
1751         SFSaveDisk = 0x214, CurDirStore = 0x398
1752     };
1753     FSSpec cwdSpec ;
1754
1755     FSMakeFSSpec( - *(short *) SFSaveDisk , *(long *) CurDirStore , NULL , &cwdSpec ) ;
1756     wxString res = wxMacFSSpec2UnixFilename( &cwdSpec ) ;
1757     strcpy( buf , res ) ;
1758     if (0) {
1759 #else
1760   if (getcwd(cbuf, sz) == NULL) {
1761 #endif
1762     delete [] cbuf;
1763 #else // wxUnicode
1764 #ifdef _MSC_VER
1765   if (_getcwd(buf, sz) == NULL) {
1766 #elif defined(__WXMAC__) && !defined(__DARWIN__)
1767     FSSpec cwdSpec ;
1768     FCBPBRec pb;
1769     OSErr error;
1770     Str255  fileName ;
1771     pb.ioNamePtr = (StringPtr) &fileName;
1772     pb.ioVRefNum = 0;
1773     pb.ioRefNum = LMGetCurApRefNum();
1774     pb.ioFCBIndx = 0;
1775     error = PBGetFCBInfoSync(&pb);
1776     if ( error == noErr )
1777     {
1778         cwdSpec.vRefNum = pb.ioFCBVRefNum;
1779         cwdSpec.parID = pb.ioFCBParID;
1780         cwdSpec.name[0] = 0 ;
1781         wxString res = wxMacFSSpec2MacFilename( &cwdSpec ) ;
1782
1783         strcpy( buf , res ) ;
1784         buf[res.length()]=0 ;
1785     }
1786     else
1787         buf[0] = 0 ;
1788     /*
1789     this version will not always give back the application directory on mac
1790     enum
1791     {
1792         SFSaveDisk = 0x214, CurDirStore = 0x398
1793     };
1794     FSSpec cwdSpec ;
1795
1796     FSMakeFSSpec( - *(short *) SFSaveDisk , *(long *) CurDirStore , NULL , &cwdSpec ) ;
1797     wxString res = wxMacFSSpec2UnixFilename( &cwdSpec ) ;
1798     strcpy( buf , res ) ;
1799     */
1800     if (0) {
1801 #elif defined(__VISAGECPP__) || (defined (__OS2__) && defined (__WATCOMC__))
1802     APIRET rc;
1803     rc = ::DosQueryCurrentDir( 0 // current drive
1804                               ,buf
1805                               ,(PULONG)&sz
1806                              );
1807     if (rc != 0) {
1808 #else
1809   if (getcwd(buf, sz) == NULL) {
1810 #endif
1811 #endif
1812     buf[0] = wxT('.');
1813     buf[1] = wxT('\0');
1814   }
1815 #if wxUSE_UNICODE
1816   else {
1817     wxConvFile.MB2WC(buf, cbuf, sz);
1818     delete [] cbuf;
1819   }
1820 #endif
1821   return buf;
1822 }
1823
1824 wxString wxGetCwd()
1825 {
1826     static const size_t maxPathLen = 1024;
1827
1828     wxString str;
1829     wxGetWorkingDirectory(str.GetWriteBuf(maxPathLen), maxPathLen);
1830     str.UngetWriteBuf();
1831
1832     return str;
1833 }
1834
1835 bool wxSetWorkingDirectory(const wxString& d)
1836 {
1837 #if defined( __UNIX__ ) || defined( __WXMAC__ )
1838   return (chdir(wxFNSTRINGCAST d.fn_str()) == 0);
1839 #elif defined(__WXPM__)
1840   return (::DosSetCurrentDir((PSZ)d.c_str()) == 0);
1841 #elif defined(__WINDOWS__)
1842
1843 #ifdef __WIN32__
1844   return (bool)(SetCurrentDirectory(d) != 0);
1845 #else
1846   // Must change drive, too.
1847   bool isDriveSpec = ((strlen(d) > 1) && (d[1] == ':'));
1848   if (isDriveSpec)
1849   {
1850     wxChar firstChar = d[0];
1851
1852     // To upper case
1853     if (firstChar > 90)
1854       firstChar = firstChar - 32;
1855
1856     // To a drive number
1857     unsigned int driveNo = firstChar - 64;
1858     if (driveNo > 0)
1859     {
1860        unsigned int noDrives;
1861        _dos_setdrive(driveNo, &noDrives);
1862     }
1863   }
1864   bool success = (chdir(WXSTRINGCAST d) == 0);
1865
1866   return success;
1867 #endif
1868
1869 #endif
1870 }
1871
1872 // Get the OS directory if appropriate (such as the Windows directory).
1873 // On non-Windows platform, probably just return the empty string.
1874 wxString wxGetOSDirectory()
1875 {
1876 #if defined(__WINDOWS__) && !defined(__WXMICROWIN__)
1877     wxChar buf[256];
1878     GetWindowsDirectory(buf, 256);
1879     return wxString(buf);
1880 #else
1881     return wxEmptyString;
1882 #endif
1883 }
1884
1885 bool wxEndsWithPathSeparator(const wxChar *pszFileName)
1886 {
1887   size_t len = wxStrlen(pszFileName);
1888   if ( len == 0 )
1889     return FALSE;
1890   else
1891     return wxIsPathSeparator(pszFileName[len - 1]);
1892 }
1893
1894 // find a file in a list of directories, returns false if not found
1895 bool wxFindFileInPath(wxString *pStr, const wxChar *pszPath, const wxChar *pszFile)
1896 {
1897     // we assume that it's not empty
1898     wxCHECK_MSG( !wxIsEmpty(pszFile), FALSE,
1899                  _T("empty file name in wxFindFileInPath"));
1900
1901     // skip path separator in the beginning of the file name if present
1902     if ( wxIsPathSeparator(*pszFile) )
1903         pszFile++;
1904
1905     // copy the path (strtok will modify it)
1906     wxChar *szPath = new wxChar[wxStrlen(pszPath) + 1];
1907     wxStrcpy(szPath, pszPath);
1908
1909     wxString strFile;
1910     wxChar *pc, *save_ptr;
1911     for ( pc = wxStrtok(szPath, wxPATH_SEP, &save_ptr);
1912           pc != NULL;
1913           pc = wxStrtok((wxChar *) NULL, wxPATH_SEP, &save_ptr) )
1914     {
1915         // search for the file in this directory
1916         strFile = pc;
1917         if ( !wxEndsWithPathSeparator(pc) )
1918             strFile += wxFILE_SEP_PATH;
1919         strFile += pszFile;
1920
1921         if ( FileExists(strFile) ) {
1922             *pStr = strFile;
1923             break;
1924         }
1925     }
1926
1927     // suppress warning about unused variable save_ptr when wxStrtok() is a
1928     // macro which throws away its third argument
1929     save_ptr = pc;
1930
1931     delete [] szPath;
1932
1933     return pc != NULL;  // if true => we breaked from the loop
1934 }
1935
1936 void WXDLLEXPORT wxSplitPath(const wxChar *pszFileName,
1937                              wxString *pstrPath,
1938                              wxString *pstrName,
1939                              wxString *pstrExt)
1940 {
1941     // it can be empty, but it shouldn't be NULL
1942     wxCHECK_RET( pszFileName, wxT("NULL file name in wxSplitPath") );
1943
1944     wxFileName::SplitPath(pszFileName, pstrPath, pstrName, pstrExt);
1945 }
1946
1947 time_t WXDLLEXPORT wxFileModificationTime(const wxString& filename)
1948 {
1949     wxStructStat buf;
1950
1951     wxStat(filename.fn_str(), &buf);
1952     return buf.st_mtime;
1953 }
1954
1955
1956 //------------------------------------------------------------------------
1957 // wild character routines
1958 //------------------------------------------------------------------------
1959
1960 bool wxIsWild( const wxString& pattern )
1961 {
1962   wxString tmp = pattern;
1963   wxChar *pat = WXSTRINGCAST(tmp);
1964     while (*pat) {
1965         switch (*pat++) {
1966         case wxT('?'): case wxT('*'): case wxT('['): case wxT('{'):
1967             return TRUE;
1968         case wxT('\\'):
1969             if (!*pat++)
1970                 return FALSE;
1971         }
1972     }
1973     return FALSE;
1974 };
1975
1976 bool wxMatchWild( const wxString& pat, const wxString& text, bool dot_special )
1977
1978 #if defined(HAVE_FNMATCH_H)
1979 {
1980 // this probably won't work well for multibyte chars in Unicode mode?
1981    if(dot_special)
1982       return fnmatch(pat.fn_str(), text.fn_str(), FNM_PERIOD) == 0;
1983    else
1984       return fnmatch(pat.fn_str(), text.fn_str(), 0) == 0;
1985 }
1986 #else
1987
1988 // #pragma error Broken implementation of wxMatchWild() -- needs fixing!
1989
1990    /*
1991     * WARNING: this code is broken!
1992     */
1993 {
1994   wxString tmp1 = pat;
1995   wxChar *pattern = WXSTRINGCAST(tmp1);
1996   wxString tmp2 = text;
1997   wxChar *str = WXSTRINGCAST(tmp2);
1998     wxChar c;
1999     wxChar *cp;
2000     bool done = FALSE, ret_code, ok;
2001     // Below is for vi fans
2002     const wxChar OB = wxT('{'), CB = wxT('}');
2003
2004     // dot_special means '.' only matches '.'
2005     if (dot_special && *str == wxT('.') && *pattern != *str)
2006         return FALSE;
2007
2008     while ((*pattern != wxT('\0')) && (!done)
2009     && (((*str==wxT('\0'))&&((*pattern==OB)||(*pattern==wxT('*'))))||(*str!=wxT('\0')))) {
2010         switch (*pattern) {
2011         case wxT('\\'):
2012             pattern++;
2013             if (*pattern != wxT('\0'))
2014                 pattern++;
2015             break;
2016         case wxT('*'):
2017             pattern++;
2018             ret_code = FALSE;
2019             while ((*str!=wxT('\0'))
2020             && ((ret_code=wxMatchWild(pattern, str++, FALSE)) == 0))
2021                 /*loop*/;
2022             if (ret_code) {
2023                 while (*str != wxT('\0'))
2024                     str++;
2025                 while (*pattern != wxT('\0'))
2026                     pattern++;
2027             }
2028             break;
2029         case wxT('['):
2030             pattern++;
2031           repeat:
2032             if ((*pattern == wxT('\0')) || (*pattern == wxT(']'))) {
2033                 done = TRUE;
2034                 break;
2035             }
2036             if (*pattern == wxT('\\')) {
2037                 pattern++;
2038                 if (*pattern == wxT('\0')) {
2039                     done = TRUE;
2040                     break;
2041                 }
2042             }
2043             if (*(pattern + 1) == wxT('-')) {
2044                 c = *pattern;
2045                 pattern += 2;
2046                 if (*pattern == wxT(']')) {
2047                     done = TRUE;
2048                     break;
2049                 }
2050                 if (*pattern == wxT('\\')) {
2051                     pattern++;
2052                     if (*pattern == wxT('\0')) {
2053                         done = TRUE;
2054                         break;
2055                     }
2056                 }
2057                 if ((*str < c) || (*str > *pattern)) {
2058                     pattern++;
2059                     goto repeat;
2060                 }
2061             } else if (*pattern != *str) {
2062                 pattern++;
2063                 goto repeat;
2064             }
2065             pattern++;
2066             while ((*pattern != wxT(']')) && (*pattern != wxT('\0'))) {
2067                 if ((*pattern == wxT('\\')) && (*(pattern + 1) != wxT('\0')))
2068                     pattern++;
2069                 pattern++;
2070             }
2071             if (*pattern != wxT('\0')) {
2072                 pattern++, str++;
2073             }
2074             break;
2075         case wxT('?'):
2076             pattern++;
2077             str++;
2078             break;
2079         case OB:
2080             pattern++;
2081             while ((*pattern != CB) && (*pattern != wxT('\0'))) {
2082                 cp = str;
2083                 ok = TRUE;
2084                 while (ok && (*cp != wxT('\0')) && (*pattern != wxT('\0'))
2085                 &&  (*pattern != wxT(',')) && (*pattern != CB)) {
2086                     if (*pattern == wxT('\\'))
2087                         pattern++;
2088                     ok = (*pattern++ == *cp++);
2089                 }
2090                 if (*pattern == wxT('\0')) {
2091                     ok = FALSE;
2092                     done = TRUE;
2093                     break;
2094                 } else if (ok) {
2095                     str = cp;
2096                     while ((*pattern != CB) && (*pattern != wxT('\0'))) {
2097                         if (*++pattern == wxT('\\')) {
2098                             if (*++pattern == CB)
2099                                 pattern++;
2100                         }
2101                     }
2102                 } else {
2103                     while (*pattern!=CB && *pattern!=wxT(',') && *pattern!=wxT('\0')) {
2104                         if (*++pattern == wxT('\\')) {
2105                             if (*++pattern == CB || *pattern == wxT(','))
2106                                 pattern++;
2107                         }
2108                     }
2109                 }
2110                 if (*pattern != wxT('\0'))
2111                     pattern++;
2112             }
2113             break;
2114         default:
2115             if (*str == *pattern) {
2116                 str++, pattern++;
2117             } else {
2118                 done = TRUE;
2119             }
2120         }
2121     }
2122     while (*pattern == wxT('*'))
2123         pattern++;
2124     return ((*str == wxT('\0')) && (*pattern == wxT('\0')));
2125 };
2126
2127 #endif
2128
2129 #ifdef __VISUALC__
2130     #pragma warning(default:4706)   // assignment within conditional expression
2131 #endif // VC++