src/common/filefn.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        filefn.cpp
   3 // Purpose:     File- and directory-related functions
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     29/01/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) 1998 Julian Smart
   9 // Licence:     wxWindows license
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // ============================================================================
  13 // declarations
  14 // ============================================================================
  15
  16 // ----------------------------------------------------------------------------
  17 // headers
  18 // ----------------------------------------------------------------------------
  19
  20 #ifdef __GNUG__
  21     #pragma implementation "filefn.h"
  22 #endif
  23
  24 // For compilers that support precompilation, includes "wx.h".
  25 #include "wx/wxprec.h"
  26 #include "wx/defs.h"
  27
  28 #ifdef __BORLANDC__
  29     #pragma hdrstop
  30 #endif
  31
  32 #include "wx/utils.h"
  33 #include "wx/intl.h"
  34
  35 // there are just too many of those...
  36 #ifdef __VISUALC__
  37     #pragma warning(disable:4706)   // assignment within conditional expression
  38 #endif // VC++
  39
  40 #include <ctype.h>
  41 #include <stdio.h>
  42 #include <stdlib.h>
  43 #include <string.h>
  44 #if !defined(__WATCOMC__)
  45     #if !(defined(_MSC_VER) && (_MSC_VER > 800))
  46         #include <errno.h>
  47     #endif
  48 #endif
  49
  50 #include <time.h>
  51
  52 #ifndef __MWERKS__
  53     #include <sys/types.h>
  54     #include <sys/stat.h>
  55 #else
  56     #include <stat.h>
  57     #include <unistd.h>
  58 #endif
  59
  60 #ifdef __UNIX__
  61     #include <unistd.h>
  62     #include <dirent.h>
  63 #endif
  64
  65 #ifdef __WXPM__
  66     #include <process.h>
  67     #include "wx/os2/private.h"
  68 #endif
  69 #ifdef __WINDOWS__
  70 #if !defined( __GNUWIN32__ ) && !defined( __MWERKS__ ) && !defined(__SALFORDC__)
  71     #include <direct.h>
  72     #include <dos.h>
  73 #endif // __WINDOWS__
  74 #endif // native Win compiler
  75
  76 #ifdef __GNUWIN32__
  77     #ifndef __TWIN32__
  78         #include <sys/unistd.h>
  79     #endif
  80 #endif
  81
  82 #ifdef __BORLANDC__ // Please someone tell me which version of Borland needs
  83                     // this (3.1 I believe) and how to test for it.
  84                     // If this works for Borland 4.0 as well, then no worries.
  85     #include <dir.h>
  86 #endif
  87
  88 #ifdef __SALFORDC__
  89     #include <dir.h>
  90     #include <unix.h>
  91 #endif
  92
  93 #include "wx/setup.h"
  94 #include "wx/log.h"
  95
  96 // No, Cygwin doesn't appear to have fnmatch.h after all.
  97 #if defined(HAVE_FNMATCH_H)
  98     #include "fnmatch.h"
  99 #endif
 100
 101 #ifdef __WINDOWS__
 102     #include "windows.h"
 103 #endif
 104
 105 // ----------------------------------------------------------------------------
 106 // constants
 107 // ----------------------------------------------------------------------------
 108
 109 #define _MAXPATHLEN 500
 110
 111 extern wxChar *wxBuffer;
 112
 113 #ifdef __WXMAC__
 114
 115 #include "morefile.h"
 116 #include "moreextr.h"
 117 #include "fullpath.h"
 118 #include "fspcompa.h"
 119 #endif
 120
 121     IMPLEMENT_DYNAMIC_CLASS(wxPathList, wxStringList)
 122
 123 // ----------------------------------------------------------------------------
 124 // private globals
 125 // ----------------------------------------------------------------------------
 126
 127 static wxChar wxFileFunctionsBuffer[4*_MAXPATHLEN];
 128
 129 #if defined(__VISAGECPP__) && __IBMCPP__ >= 400
 130 //
 131 // VisualAge C++ V4.0 cannot have any external linkage const decs
 132 // in headers included by more than one primary source
 133 //
 134 const off_t wxInvalidOffset = (off_t)-1;
 135 #endif
 136
 137 // ============================================================================
 138 // implementation
 139 // ============================================================================
 140
 141 void wxPathList::Add (const wxString& path)
 142 {
 143     wxStringList::Add (WXSTRINGCAST path);
 144 }
 145
 146 // Add paths e.g. from the PATH environment variable
 147 void wxPathList::AddEnvList (const wxString& envVariable)
 148 {
 149   static const wxChar PATH_TOKS[] =
 150 #ifdef __WINDOWS__
 151         wxT(" ;"); // Don't seperate with colon in DOS (used for drive)
 152 #else
 153         wxT(" :;");
 154 #endif
 155
 156   wxChar *val = wxGetenv (WXSTRINGCAST envVariable);
 157   if (val && *val)
 158     {
 159       wxChar *s = copystring (val);
 160       wxChar *save_ptr, *token = wxStrtok (s, PATH_TOKS, &save_ptr);
 161
 162       if (token)
 163       {
 164           Add (copystring (token));
 165           while (token)
 166           {
 167               if ((token = wxStrtok ((wxChar *) NULL, PATH_TOKS, &save_ptr)) != NULL)
 168                   Add (wxString(token));
 169           }
 170       }
 171
 172       // suppress warning about unused variable save_ptr when wxStrtok() is a
 173       // macro which throws away its third argument
 174       save_ptr = token;
 175
 176       delete [] s;
 177     }
 178 }
 179
 180 // Given a full filename (with path), ensure that that file can
 181 // be accessed again USING FILENAME ONLY by adding the path
 182 // to the list if not already there.
 183 void wxPathList::EnsureFileAccessible (const wxString& path)
 184 {
 185     wxString path_only(wxPathOnly(path));
 186     if ( !path_only.IsEmpty() )
 187     {
 188         if ( !Member(path_only) )
 189             Add(path_only);
 190     }
 191 }
 192
 193 bool wxPathList::Member (const wxString& path)
 194 {
 195   for (wxNode * node = First (); node != NULL; node = node->Next ())
 196   {
 197       wxString path2((wxChar *) node->Data ());
 198       if (
 199 #if defined(__WINDOWS__) || defined(__VMS__) || defined (__WXMAC__)
 200       // Case INDEPENDENT
 201           path.CompareTo (path2, wxString::ignoreCase) == 0
 202 #else
 203       // Case sensitive File System
 204           path.CompareTo (path2) == 0
 205 #endif
 206         )
 207         return TRUE;
 208   }
 209   return FALSE;
 210 }
 211
 212 wxString wxPathList::FindValidPath (const wxString& file)
 213 {
 214   if (wxFileExists (wxExpandPath(wxFileFunctionsBuffer, file)))
 215     return wxString(wxFileFunctionsBuffer);
 216
 217   wxChar buf[_MAXPATHLEN];
 218   wxStrcpy(buf, wxFileFunctionsBuffer);
 219
 220   wxChar *filename = (wxChar*) NULL; /* shut up buggy egcs warning */
 221   filename = IsAbsolutePath (buf) ? wxFileNameFromPath (buf) : (wxChar *)buf;
 222
 223   for (wxNode * node = First (); node; node = node->Next ())
 224     {
 225       wxChar *path = (wxChar *) node->Data ();
 226       wxStrcpy (wxFileFunctionsBuffer, path);
 227       wxChar ch = wxFileFunctionsBuffer[wxStrlen(wxFileFunctionsBuffer)-1];
 228       if (ch != wxT('\\') && ch != wxT('/'))
 229         wxStrcat (wxFileFunctionsBuffer, wxT("/"));
 230       wxStrcat (wxFileFunctionsBuffer, filename);
 231 #ifdef __WINDOWS__
 232       Unix2DosFilename (wxFileFunctionsBuffer);
 233 #endif
 234       if (wxFileExists (wxFileFunctionsBuffer))
 235       {
 236         return wxString(wxFileFunctionsBuffer);        // Found!
 237       }
 238     }                                // for()
 239
 240   return wxString(wxT(""));                    // Not found
 241 }
 242
 243 wxString wxPathList::FindAbsoluteValidPath (const wxString& file)
 244 {
 245     wxString f = FindValidPath(file);
 246     if ( wxIsAbsolutePath(f) )
 247         return f;
 248
 249     wxString buf;
 250     wxGetWorkingDirectory(buf.GetWriteBuf(_MAXPATHLEN), _MAXPATHLEN - 1);
 251     buf.UngetWriteBuf();
 252     if ( !wxEndsWithPathSeparator(buf) )
 253     {
 254         buf += wxFILE_SEP_PATH;
 255     }
 256     buf += f;
 257
 258     return buf;
 259 }
 260
 261 bool
 262 wxFileExists (const wxString& filename)
 263 {
 264 #ifdef __GNUWIN32__ // (fix a B20 bug)
 265   if (GetFileAttributes(filename) == 0xFFFFFFFF)
 266     return FALSE;
 267   else
 268     return TRUE;
 269 #elif defined(__WXMAC__)
 270           struct stat stbuf;
 271         if (filename && stat (wxUnix2MacFilename(filename), &stbuf) == 0 )
 272           return TRUE;
 273     return FALSE ;
 274 #else
 275
 276   wxStructStat stbuf;
 277   if ((filename != wxT("")) && wxStat (wxFNSTRINGCAST filename.fn_str(), &stbuf) == 0)
 278     return TRUE;
 279
 280   return FALSE;
 281 #endif
 282 }
 283
 284 /* Vadim's alternative implementation
 285
 286 // does the file exist?
 287 bool wxFileExists(const char *pszFileName)
 288 {
 289   struct stat st;
 290   return !access(pszFileName, 0) &&
 291          !stat(pszFileName, &st) &&
 292          (st.st_mode & S_IFREG);
 293 }
 294 */
 295
 296 bool
 297 wxIsAbsolutePath (const wxString& filename)
 298 {
 299   if (filename != wxT(""))
 300     {
 301       if (filename[0] == wxT('/')
 302 #ifdef __VMS__
 303       || (filename[0] == wxT('[') && filename[1] != wxT('.'))
 304 #endif
 305 #ifdef __WINDOWS__
 306       /* MSDOS */
 307       || filename[0] == wxT('\\') || (wxIsalpha (filename[0]) && filename[1] == wxT(':'))
 308 #endif
 309         )
 310         return TRUE;
 311     }
 312   return FALSE;
 313 }
 314
 315 /*
 316  * Strip off any extension (dot something) from end of file,
 317  * IF one exists. Inserts zero into buffer.
 318  *
 319  */
 320
 321 void wxStripExtension(wxChar *buffer)
 322 {
 323   int len = wxStrlen(buffer);
 324   int i = len-1;
 325   while (i > 0)
 326   {
 327     if (buffer[i] == wxT('.'))
 328     {
 329       buffer[i] = 0;
 330       break;
 331     }
 332     i --;
 333   }
 334 }
 335
 336 void wxStripExtension(wxString& buffer)
 337 {
 338   size_t len = buffer.Length();
 339   size_t i = len-1;
 340   while (i > 0)
 341   {
 342     if (buffer.GetChar(i) == wxT('.'))
 343     {
 344       buffer = buffer.Left(i);
 345       break;
 346     }
 347     i --;
 348   }
 349 }
 350
 351 // Destructive removal of /./ and /../ stuff
 352 wxChar *wxRealPath (wxChar *path)
 353 {
 354 #ifdef __WXMSW__
 355   static const wxChar SEP = wxT('\\');
 356   Unix2DosFilename(path);
 357 #else
 358   static const wxChar SEP = wxT('/');
 359 #endif
 360   if (path[0] && path[1]) {
 361     /* MATTHEW: special case "/./x" */
 362     wxChar *p;
 363     if (path[2] == SEP && path[1] == wxT('.'))
 364       p = &path[0];
 365     else
 366       p = &path[2];
 367     for (; *p; p++)
 368       {
 369         if (*p == SEP)
 370           {
 371             if (p[1] == wxT('.') && p[2] == wxT('.') && (p[3] == SEP || p[3] == wxT('\0')))
 372               {
 373                 wxChar *q;
 374                 for (q = p - 1; q >= path && *q != SEP; q--);
 375                 if (q[0] == SEP && (q[1] != wxT('.') || q[2] != wxT('.') || q[3] != SEP)
 376                     && (q - 1 <= path || q[-1] != SEP))
 377                   {
 378                     wxStrcpy (q, p + 3);
 379                     if (path[0] == wxT('\0'))
 380                       {
 381                         path[0] = SEP;
 382                         path[1] = wxT('\0');
 383                       }
 384 #ifdef __WXMSW__
 385                     /* Check that path[2] is NULL! */
 386                     else if (path[1] == wxT(':') && !path[2])
 387                       {
 388                         path[2] = SEP;
 389                         path[3] = wxT('\0');
 390                       }
 391 #endif
 392                     p = q - 1;
 393                   }
 394               }
 395             else if (p[1] == wxT('.') && (p[2] == SEP || p[2] == wxT('\0')))
 396               wxStrcpy (p, p + 2);
 397           }
 398       }
 399   }
 400   return path;
 401 }
 402
 403 // Must be destroyed
 404 wxChar *wxCopyAbsolutePath(const wxString& filename)
 405 {
 406   if (filename == wxT(""))
 407     return (wxChar *) NULL;
 408
 409   if (! IsAbsolutePath(wxExpandPath(wxFileFunctionsBuffer, filename))) {
 410     wxChar  buf[_MAXPATHLEN];
 411     buf[0] = wxT('\0');
 412     wxGetWorkingDirectory(buf, WXSIZEOF(buf));
 413     wxChar ch = buf[wxStrlen(buf) - 1];
 414 #ifdef __WXMSW__
 415     if (ch != wxT('\\') && ch != wxT('/'))
 416         wxStrcat(buf, wxT("\\"));
 417 #else
 418     if (ch != wxT('/'))
 419         wxStrcat(buf, wxT("/"));
 420 #endif
 421     wxStrcat(buf, wxFileFunctionsBuffer);
 422     return copystring( wxRealPath(buf) );
 423   }
 424   return copystring( wxFileFunctionsBuffer );
 425 }
 426
 427 /*-
 428  Handles:
 429    ~/ => home dir
 430    ~user/ => user's home dir
 431    If the environment variable a = "foo" and b = "bar" then:
 432    Unix:
 433         $a        =>        foo
 434         $a$b        =>        foobar
 435         $a.c        =>        foo.c
 436         xxx$a        =>        xxxfoo
 437         ${a}!        =>        foo!
 438         $(b)!        =>        bar!
 439         \$a        =>        \$a
 440    MSDOS:
 441         $a        ==>        $a
 442         $(a)        ==>        foo
 443         $(a)$b        ==>        foo$b
 444         $(a)$(b)==>        foobar
 445         test.$$        ==>        test.$$
 446  */
 447
 448 /* input name in name, pathname output to buf. */
 449
 450 wxChar *wxExpandPath(wxChar *buf, const wxChar *name)
 451 {
 452     register wxChar *d, *s, *nm;
 453     wxChar          lnm[_MAXPATHLEN];
 454     int                                q;
 455
 456     // Some compilers don't like this line.
 457 //    const wxChar    trimchars[] = wxT("\n \t");
 458
 459     wxChar      trimchars[4];
 460     trimchars[0] = wxT('\n');
 461     trimchars[1] = wxT(' ');
 462     trimchars[2] = wxT('\t');
 463     trimchars[3] = 0;
 464
 465 #ifdef __WXMSW__
 466      const wxChar     SEP = wxT('\\');
 467 #else
 468      const wxChar     SEP = wxT('/');
 469 #endif
 470     buf[0] = wxT('\0');
 471     if (name == NULL || *name == wxT('\0'))
 472         return buf;
 473     nm = copystring(name); // Make a scratch copy
 474     wxChar *nm_tmp = nm;
 475
 476     /* Skip leading whitespace and cr */
 477     while (wxStrchr((wxChar *)trimchars, *nm) != NULL)
 478         nm++;
 479     /* And strip off trailing whitespace and cr */
 480     s = nm + (q = wxStrlen(nm)) - 1;
 481     while (q-- && wxStrchr((wxChar *)trimchars, *s) != NULL)
 482         *s = wxT('\0');
 483
 484     s = nm;
 485     d = lnm;
 486 #ifdef __WXMSW__
 487     q = FALSE;
 488 #else
 489     q = nm[0] == wxT('\\') && nm[1] == wxT('~');
 490 #endif
 491
 492     /* Expand inline environment variables */
 493 #ifdef __VISAGECPP__
 494     while (*d)
 495     {
 496       *d++ = *s;
 497       if(*s == wxT('\\'))
 498       {
 499         *(d - 1) = *++s;
 500         if (*d)
 501         {
 502           s++;
 503           continue;
 504         }
 505         else
 506            break;
 507       }
 508       else
 509 #else
 510     while ((*d++ = *s)) {
 511 #  ifndef __WXMSW__
 512         if (*s == wxT('\\')) {
 513             if ((*(d - 1) = *++s)) {
 514                 s++;
 515                 continue;
 516             } else
 517                 break;
 518         } else
 519 #  endif
 520 #endif
 521 #ifdef __WXMSW__
 522         if (*s++ == wxT('$') && (*s == wxT('{') || *s == wxT(')')))
 523 #else
 524         if (*s++ == wxT('$'))
 525 #endif
 526         {
 527             register wxChar  *start = d;
 528             register int     braces = (*s == wxT('{') || *s == wxT('('));
 529             register wxChar  *value;
 530 #ifdef __VISAGECPP__
 531     // VA gives assignment in logical expr warning
 532             while (*d)
 533                *d++ = *s;
 534 #else
 535             while ((*d++ = *s))
 536 #endif
 537                 if (braces ? (*s == wxT('}') || *s == wxT(')')) : !(wxIsalnum(*s) || *s == wxT('_')) )
 538                     break;
 539                 else
 540                     s++;
 541             *--d = 0;
 542             value = wxGetenv(braces ? start + 1 : start);
 543             if (value) {
 544 #ifdef __VISAGECPP__
 545     // VA gives assignment in logical expr warning
 546                 for ((d = start - 1); (*d); *d++ = *value++);
 547 #else
 548                 for ((d = start - 1); (*d++ = *value++););
 549 #endif
 550                 d--;
 551                 if (braces && *s)
 552                     s++;
 553             }
 554         }
 555     }
 556
 557     /* Expand ~ and ~user */
 558     nm = lnm;
 559     s = wxT("");
 560     if (nm[0] == wxT('~') && !q)
 561     {
 562         /* prefix ~ */
 563         if (nm[1] == SEP || nm[1] == 0)
 564         {        /* ~/filename */
 565         // FIXME: wxGetUserHome could return temporary storage in Unicode mode
 566             if ((s = WXSTRINGCAST wxGetUserHome(wxT(""))) != NULL) {
 567                 if (*++nm)
 568                     nm++;
 569             }
 570         } else
 571         {                /* ~user/filename */
 572             register wxChar  *nnm;
 573             register wxChar  *home;
 574             for (s = nm; *s && *s != SEP; s++);
 575             int was_sep; /* MATTHEW: Was there a separator, or NULL? */
 576             was_sep = (*s == SEP);
 577             nnm = *s ? s + 1 : s;
 578             *s = 0;
 579         // FIXME: wxGetUserHome could return temporary storage in Unicode mode
 580             if ((home = WXSTRINGCAST wxGetUserHome(wxString(nm + 1))) == NULL) {
 581                if (was_sep) /* replace only if it was there: */
 582                    *s = SEP;
 583                 s = wxT("");
 584             } else {
 585                 nm = nnm;
 586                 s = home;
 587             }
 588         }
 589     }
 590
 591     d = buf;
 592     if (s && *s) { /* MATTHEW: s could be NULL if user '~' didn't exist */
 593         /* Copy home dir */
 594         while (wxT('\0') != (*d++ = *s++))
 595           /* loop */;
 596         // Handle root home
 597         if (d - 1 > buf && *(d - 2) != SEP)
 598           *(d - 1) = SEP;
 599     }
 600     s = nm;
 601 #ifdef __VISAGECPP__
 602     // VA gives assignment in logical expr warning
 603     while (*d)
 604        *d++ = *s++;
 605 #else
 606     while ((*d++ = *s++));
 607 #endif
 608     delete[] nm_tmp; // clean up alloc
 609     /* Now clean up the buffer */
 610     return wxRealPath(buf);
 611 }
 612
 613 /* Contract Paths to be build upon an environment variable
 614    component:
 615
 616    example: "/usr/openwin/lib", OPENWINHOME --> ${OPENWINHOME}/lib
 617
 618    The call wxExpandPath can convert these back!
 619  */
 620 wxChar *
 621 wxContractPath (const wxString& filename, const wxString& envname, const wxString& user)
 622 {
 623   static wxChar dest[_MAXPATHLEN];
 624
 625   if (filename == wxT(""))
 626     return (wxChar *) NULL;
 627
 628   wxStrcpy (dest, WXSTRINGCAST filename);
 629 #ifdef __WXMSW__
 630   Unix2DosFilename(dest);
 631 #endif
 632
 633   // Handle environment
 634   const wxChar *val = (const wxChar *) NULL;
 635   wxChar *tcp = (wxChar *) NULL;
 636   if (envname != WXSTRINGCAST NULL && (val = wxGetenv (WXSTRINGCAST envname)) != NULL &&
 637      (tcp = wxStrstr (dest, val)) != NULL)
 638     {
 639         wxStrcpy (wxFileFunctionsBuffer, tcp + wxStrlen (val));
 640         *tcp++ = wxT('$');
 641         *tcp++ = wxT('{');
 642         wxStrcpy (tcp, WXSTRINGCAST envname);
 643         wxStrcat (tcp, wxT("}"));
 644         wxStrcat (tcp, wxFileFunctionsBuffer);
 645     }
 646
 647   // Handle User's home (ignore root homes!)
 648   size_t len = 0;
 649   if ((val = wxGetUserHome (user)) != NULL &&
 650       (len = wxStrlen(val)) > 2 &&
 651       wxStrncmp(dest, val, len) == 0)
 652     {
 653       wxStrcpy(wxFileFunctionsBuffer, wxT("~"));
 654       if (user != wxT(""))
 655              wxStrcat(wxFileFunctionsBuffer, (const wxChar*) user);
 656 #ifdef __WXMSW__
 657 //      strcat(wxFileFunctionsBuffer, "\\");
 658 #else
 659 //      strcat(wxFileFunctionsBuffer, "/");
 660 #endif
 661       wxStrcat(wxFileFunctionsBuffer, dest + len);
 662       wxStrcpy (dest, wxFileFunctionsBuffer);
 663     }
 664
 665   return dest;
 666 }
 667
 668 // Return just the filename, not the path
 669 // (basename)
 670 wxChar *wxFileNameFromPath (wxChar *path)
 671 {
 672   if (path)
 673     {
 674       register wxChar *tcp;
 675
 676       tcp = path + wxStrlen (path);
 677       while (--tcp >= path)
 678         {
 679           if (*tcp == wxT('/') || *tcp == wxT('\\')
 680 #ifdef __VMS__
 681      || *tcp == wxT(':') || *tcp == wxT(']'))
 682 #else
 683      )
 684 #endif
 685             return tcp + 1;
 686         }                        /* while */
 687 #if defined(__WXMSW__) || defined(__WXPM__)
 688       if (wxIsalpha (*path) && *(path + 1) == wxT(':'))
 689         return path + 2;
 690 #endif
 691     }
 692   return path;
 693 }
 694
 695 wxString wxFileNameFromPath (const wxString& path1)
 696 {
 697   if (path1 != wxT(""))
 698   {
 699
 700       wxChar *path = WXSTRINGCAST path1 ;
 701       register wxChar *tcp;
 702
 703       tcp = path + wxStrlen (path);
 704       while (--tcp >= path)
 705           {
 706             if (*tcp == wxT('/') || *tcp == wxT('\\')
 707 #ifdef __VMS__
 708         || *tcp == wxT(':') || *tcp == wxT(']'))
 709 #else
 710         )
 711 #endif
 712                 return wxString(tcp + 1);
 713             }                        /* while */
 714 #if defined(__WXMSW__) || defined(__WXPM__)
 715       if (wxIsalpha (*path) && *(path + 1) == wxT(':'))
 716             return wxString(path + 2);
 717 #endif
 718     }
 719   // Yes, this should return the path, not an empty string, otherwise
 720   // we get "thing.txt" -> "".
 721   return path1;
 722 }
 723
 724 // Return just the directory, or NULL if no directory
 725 wxChar *
 726 wxPathOnly (wxChar *path)
 727 {
 728   if (path && *path)
 729     {
 730       static wxChar buf[_MAXPATHLEN];
 731
 732       // Local copy
 733       wxStrcpy (buf, path);
 734
 735       int l = wxStrlen(path);
 736       bool done = FALSE;
 737
 738       int i = l - 1;
 739
 740       // Search backward for a backward or forward slash
 741       while (!done && i > -1)
 742       {
 743         // ] is for VMS
 744         if (path[i] == wxT('/') || path[i] == wxT('\\') || path[i] == wxT(']'))
 745         {
 746           done = TRUE;
 747 #ifdef __VMS__
 748            if ( path[i] == wxT(']') )
 749              buf[i+1] = 0;
 750            else
 751 #endif
 752           buf[i] = 0;
 753
 754           return buf;
 755         }
 756         else i --;
 757       }
 758
 759 #if defined(__WXMSW__) || defined(__WXPM__)
 760       // Try Drive specifier
 761       if (wxIsalpha (buf[0]) && buf[1] == wxT(':'))
 762         {
 763           // A:junk --> A:. (since A:.\junk Not A:\junk)
 764           buf[2] = wxT('.');
 765           buf[3] = wxT('\0');
 766           return buf;
 767         }
 768 #endif
 769     }
 770
 771   return (wxChar *) NULL;
 772 }
 773
 774 // Return just the directory, or NULL if no directory
 775 wxString wxPathOnly (const wxString& path)
 776 {
 777   if (path != wxT(""))
 778     {
 779       wxChar buf[_MAXPATHLEN];
 780
 781       // Local copy
 782       wxStrcpy (buf, WXSTRINGCAST path);
 783
 784       int l = path.Length();
 785       bool done = FALSE;
 786
 787       int i = l - 1;
 788
 789       // Search backward for a backward or forward slash
 790       while (!done && i > -1)
 791       {
 792         // ] is for VMS
 793         if (path[i] == wxT('/') || path[i] == wxT('\\') || path[i] == wxT(']'))
 794         {
 795           done = TRUE;
 796 #ifdef __VMS__
 797            if ( path[i] == wxT(']') )
 798              buf[i+1] = 0;
 799            else
 800 #endif
 801           buf[i] = 0;
 802
 803           return wxString(buf);
 804         }
 805         else i --;
 806       }
 807
 808 #if defined(__WXMSW__) || defined(__WXPM__)
 809       // Try Drive specifier
 810       if (wxIsalpha (buf[0]) && buf[1] == wxT(':'))
 811         {
 812           // A:junk --> A:. (since A:.\junk Not A:\junk)
 813           buf[2] = wxT('.');
 814           buf[3] = wxT('\0');
 815           return wxString(buf);
 816         }
 817 #endif
 818     }
 819
 820   return wxString(wxT(""));
 821 }
 822
 823 // Utility for converting delimiters in DOS filenames to UNIX style
 824 // and back again - or we get nasty problems with delimiters.
 825 // Also, convert to lower case, since case is significant in UNIX.
 826
 827 #ifdef __WXMAC__
 828
 829 static char sMacFileNameConversion[ 1000 ] ;
 830
 831 wxString wxMac2UnixFilename (const char *str)
 832 {
 833     char *s = sMacFileNameConversion ;
 834     strcpy( s , str ) ;
 835   if (s)
 836   {
 837     memmove( s+1 , s ,strlen( s ) + 1) ;
 838     if ( *s == ':' )
 839             *s = '.' ;
 840     else
 841             *s = '/' ;
 842
 843     while (*s)
 844     {
 845             if (*s == ':')
 846               *s = '/';
 847             else
 848               *s = wxTolower (*s);        // Case INDEPENDENT
 849             s++;
 850     }
 851   }
 852   return wxString (sMacFileNameConversion) ;
 853 }
 854
 855 wxString wxUnix2MacFilename (const char *str)
 856 {
 857     char *s = sMacFileNameConversion ;
 858     strcpy( s , str ) ;
 859   if (s)
 860   {
 861     if ( *s == '.' )
 862     {
 863       // relative path , since it goes on with slash which is translated to a :
 864       memmove( s , s+1 ,strlen( s ) ) ;
 865     }
 866     else if ( *s == '/' )
 867     {
 868       // absolute path -> on mac just start with the drive name
 869       memmove( s , s+1 ,strlen( s ) ) ;
 870     }
 871     else
 872     {
 873       wxASSERT_MSG( 1 , "unkown path beginning" ) ;
 874     }
 875     while (*s)
 876     {
 877       if (*s == '/' || *s == '\\')
 878       {
 879           // convert any back-directory situations
 880           if ( *(s+1) == '.' && *(s+2) == '.' && ( (*(s+3) == '/' || *(s+3) == '\\') ) )
 881           {
 882           *s = ':';
 883                 memmove( s+1 , s+3 ,strlen( s+3 ) + 1 ) ;
 884           }
 885           else
 886           *s = ':';
 887       }
 888
 889       s++ ;
 890     }
 891   }
 892   return wxString (sMacFileNameConversion) ;
 893 }
 894
 895 wxString wxMacFSSpec2MacFilename( const FSSpec *spec )
 896 {
 897     Handle    myPath ;
 898     short     length ;
 899
 900     FSpGetFullPath( spec , &length , &myPath ) ;
 901     ::SetHandleSize( myPath , length + 1 ) ;
 902     ::HLock( myPath ) ;
 903     (*myPath)[length] = 0 ;
 904     if ( length > 0 && (*myPath)[length-1] ==':' )
 905         (*myPath)[length-1] = 0 ;
 906
 907     wxString result(     (char*) *myPath ) ;
 908     ::HUnlock( myPath ) ;
 909     ::DisposeHandle( myPath ) ;
 910     return result ;
 911 }
 912
 913 wxString wxMacFSSpec2UnixFilename( const FSSpec *spec )
 914 {
 915     return wxMac2UnixFilename( wxMacFSSpec2MacFilename( spec) ) ;
 916 }
 917
 918 void wxMacFilename2FSSpec( const char *path , FSSpec *spec )
 919 {
 920     FSpLocationFromFullPath( strlen(path ) , path , spec ) ;
 921 }
 922
 923 void wxUnixFilename2FSSpec( const char *path , FSSpec *spec )
 924 {
 925     wxString var = wxUnix2MacFilename( path ) ;
 926     wxMacFilename2FSSpec( var , spec ) ;
 927 }
 928
 929 #endif
 930 void
 931 wxDos2UnixFilename (char *s)
 932 {
 933   if (s)
 934     while (*s)
 935       {
 936         if (*s == '\\')
 937           *s = '/';
 938 #ifdef __WXMSW__
 939         else
 940           *s = wxTolower (*s);        // Case INDEPENDENT
 941 #endif
 942         s++;
 943       }
 944 }
 945
 946 void
 947 #if defined(__WXMSW__) || defined(__WXPM__)
 948 wxUnix2DosFilename (wxChar *s)
 949 #else
 950 wxUnix2DosFilename (wxChar *WXUNUSED(s) )
 951 #endif
 952 {
 953 // Yes, I really mean this to happen under DOS only! JACS
 954 #if defined(__WXMSW__) || defined(__WXPM__)
 955   if (s)
 956     while (*s)
 957       {
 958         if (*s == wxT('/'))
 959           *s = wxT('\\');
 960         s++;
 961       }
 962 #endif
 963 }
 964
 965 // Concatenate two files to form third
 966 bool
 967 wxConcatFiles (const wxString& file1, const wxString& file2, const wxString& file3)
 968 {
 969   wxChar *outfile = wxGetTempFileName("cat");
 970
 971   FILE *fp1 = (FILE *) NULL;
 972   FILE *fp2 = (FILE *) NULL;
 973   FILE *fp3 = (FILE *) NULL;
 974   // Open the inputs and outputs
 975 #ifdef __WXMAC__
 976   if ((fp1 = fopen (wxUnix2MacFilename( file1 ), "rb")) == NULL ||
 977       (fp2 = fopen (wxUnix2MacFilename( file2 ), "rb")) == NULL ||
 978       (fp3 = fopen (wxUnix2MacFilename( outfile ), "wb")) == NULL)
 979 #else
 980   if ((fp1 = wxFopen (WXSTRINGCAST file1, wxT("rb"))) == NULL ||
 981       (fp2 = wxFopen (WXSTRINGCAST file2, wxT("rb"))) == NULL ||
 982       (fp3 = wxFopen (outfile, wxT("wb"))) == NULL)
 983 #endif
 984     {
 985       if (fp1)
 986         fclose (fp1);
 987       if (fp2)
 988         fclose (fp2);
 989       if (fp3)
 990         fclose (fp3);
 991       return FALSE;
 992     }
 993
 994   int ch;
 995   while ((ch = getc (fp1)) != EOF)
 996     (void) putc (ch, fp3);
 997   fclose (fp1);
 998
 999   while ((ch = getc (fp2)) != EOF)
1000     (void) putc (ch, fp3);
1001   fclose (fp2);
1002
1003   fclose (fp3);
1004   bool result = wxRenameFile(outfile, file3);
1005   delete[] outfile;
1006   return result;
1007 }
1008
1009 // Copy files
1010 bool
1011 wxCopyFile (const wxString& file1, const wxString& file2)
1012 {
1013   FILE *fd1;
1014   FILE *fd2;
1015   int ch;
1016
1017 #ifdef __WXMAC__
1018   if ((fd1 = fopen (wxUnix2MacFilename( file1 ), "rb")) == NULL)
1019     return FALSE;
1020   if ((fd2 = fopen (wxUnix2MacFilename( file2 ), "wb")) == NULL)
1021 #else
1022   if ((fd1 = wxFopen (WXSTRINGCAST file1, wxT("rb"))) == NULL)
1023     return FALSE;
1024   if ((fd2 = wxFopen (WXSTRINGCAST file2, wxT("wb"))) == NULL)
1025 #endif
1026     {
1027       fclose (fd1);
1028       return FALSE;
1029     }
1030
1031   while ((ch = getc (fd1)) != EOF)
1032     (void) putc (ch, fd2);
1033
1034   fclose (fd1);
1035   fclose (fd2);
1036   return TRUE;
1037 }
1038
1039 bool
1040 wxRenameFile (const wxString& file1, const wxString& file2)
1041 {
1042 #ifdef __WXMAC__
1043   if (0 == rename (wxUnix2MacFilename( file1 ), wxUnix2MacFilename( file2 )))
1044     return TRUE;
1045 #else
1046   // Normal system call
1047   if (0 == wxRename (wxCSTRINGCAST file1, wxCSTRINGCAST file2))
1048     return TRUE;
1049 #endif
1050   // Try to copy
1051   if (wxCopyFile(file1, file2)) {
1052     wxRemoveFile(file1);
1053     return TRUE;
1054   }
1055   // Give up
1056   return FALSE;
1057 }
1058
1059 bool wxRemoveFile(const wxString& file)
1060 {
1061 #if defined(__VISUALC__) || defined(__BORLANDC__) || defined(__WATCOMC__)
1062   int flag = wxRemove(file);
1063 #elif defined( __WXMAC__ )
1064   int flag = unlink(wxUnix2MacFilename( file ));
1065 #else
1066   int flag = unlink(wxFNSTRINGCAST file.fn_str());
1067 #endif
1068   return (flag == 0) ;
1069 }
1070
1071 bool wxMkdir(const wxString& dir, int perm)
1072 {
1073 #if defined( __WXMAC__ )
1074   return (mkdir(wxUnix2MacFilename( dir ) , 0 ) == 0);
1075 #else // !Mac
1076     const wxChar *dirname = dir.c_str();
1077
1078     // assume mkdir() has 2 args on non Windows-OS/2 platforms and on Windows too
1079     // for the GNU compiler
1080 #if (!(defined(__WXMSW__) || defined(__WXPM__))) || (defined(__GNUWIN32__) && !defined(__MINGW32__)) || defined(__WXWINE__)
1081     if ( mkdir(wxFNCONV(dirname), perm) != 0 )
1082 #elif defined(__WXPM__)
1083     if (::DosCreateDir((PSZ)dirname, NULL) != 0) // enhance for EAB's??
1084 #else  // !MSW and !OS/2 VAC++
1085     if ( wxMkDir(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 #elif defined(__WXPM__)
1104   return (::DosDeleteDir((PSZ)dir.c_str()) == 0);
1105 #else
1106
1107 #ifdef __SALFORDC__
1108   return FALSE; // What to do?
1109 #else
1110   return (wxRmDir(wxFNSTRINGCAST dir.fn_str()) == 0);
1111 #endif
1112
1113 #endif
1114 }
1115
1116 #if 0
1117 bool wxDirExists(const wxString& dir)
1118 {
1119 #ifdef __VMS__
1120   return FALSE; //To be changed since stat exists in VMS7.x
1121 #elif !defined(__WXMSW__)
1122   struct stat sbuf;
1123   return (stat(dir.fn_str(), &sbuf) != -1) && S_ISDIR(sbuf.st_mode) ? TRUE : FALSE;
1124 #else
1125
1126   /* MATTHEW: [6] Always use same code for Win32, call FindClose */
1127 #if defined(__WIN32__)
1128   WIN32_FIND_DATA fileInfo;
1129 #else
1130 #ifdef __BORLANDC__
1131   struct ffblk fileInfo;
1132 #else
1133   struct find_t fileInfo;
1134 #endif
1135 #endif
1136
1137 #if defined(__WIN32__)
1138         HANDLE h = FindFirstFile((LPTSTR) WXSTRINGCAST dir,(LPWIN32_FIND_DATA)&fileInfo);
1139
1140         if (h==INVALID_HANDLE_VALUE)
1141          return FALSE;
1142         else {
1143          FindClose(h);
1144          return ((fileInfo.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) == FILE_ATTRIBUTE_DIRECTORY);
1145         }
1146 #else
1147   // In Borland findfirst has a different argument
1148   // ordering from _dos_findfirst. But _dos_findfirst
1149   // _should_ be ok in both MS and Borland... why not?
1150 #ifdef __BORLANDC__
1151   return ((findfirst(WXSTRINGCAST dir, &fileInfo, _A_SUBDIR) == 0  && (fileInfo.ff_attrib & _A_SUBDIR) != 0));
1152 #else
1153   return (((_dos_findfirst(WXSTRINGCAST dir, _A_SUBDIR, &fileInfo) == 0) && (fileInfo.attrib & _A_SUBDIR)) != 0);
1154 #endif
1155 #endif
1156
1157 #endif
1158 }
1159
1160 #endif
1161
1162 // does the path exists? (may have or not '/' or '\\' at the end)
1163 bool wxPathExists(const wxChar *pszPathName)
1164 {
1165     wxString strPath(pszPathName);
1166 #ifdef __WINDOWS__
1167     // Windows fails to find directory named "c:\dir\" even if "c:\dir" exists,
1168     // so remove all trailing backslashes from the path - but don't do this for
1169     // the pathes "d:\" (which are different from "d:") nor for just "\"
1170     while ( wxEndsWithPathSeparator(strPath) )
1171     {
1172         size_t len = strPath.length();
1173         if ( len == 1 || strPath[len - 1] == _T(':') )
1174             break;
1175
1176         strPath.Truncate(len - 1);
1177     }
1178 #endif // __WINDOWS__
1179
1180     wxStructStat st;
1181 #ifndef __VISAGECPP__
1182     return wxStat(wxFNSTRINGCAST strPath.fn_str(), &st) == 0 &&
1183         ((st.st_mode & S_IFMT) == S_IFDIR);
1184 #else
1185     // S_IFMT not supported in VA compilers.. st_mode is a 2byte value only
1186     return wxStat(wxFNSTRINGCAST strPath.fn_str(), &st) == 0 &&
1187         (st.st_mode == S_IFDIR);
1188 #endif
1189
1190 }
1191
1192 // Get a temporary filename, opening and closing the file.
1193 wxChar *wxGetTempFileName(const wxString& prefix, wxChar *buf)
1194 {
1195 #ifdef __WINDOWS__
1196
1197 #ifndef        __WIN32__
1198   wxChar tmp[144];
1199   ::GetTempFileName(0, WXSTRINGCAST prefix, 0, tmp);
1200 #else
1201   wxChar tmp[MAX_PATH];
1202   wxChar tmpPath[MAX_PATH];
1203   ::GetTempPath(MAX_PATH, tmpPath);
1204   ::GetTempFileName(tmpPath, WXSTRINGCAST prefix, 0, tmp);
1205 #endif
1206   if (buf) wxStrcpy(buf, tmp);
1207   else buf = copystring(tmp);
1208   return buf;
1209
1210 #else
1211   static short last_temp = 0;        // cache last to speed things a bit
1212   // At most 1000 temp files to a process! We use a ring count.
1213   wxChar tmp[100]; // FIXME static buffer
1214
1215   for (short suffix = last_temp + 1; suffix != last_temp; ++suffix %= 1000)
1216     {
1217       wxSprintf (tmp, wxT("/tmp/%s%d.%03x"), WXSTRINGCAST prefix, (int) getpid (), (int) suffix);
1218       if (!wxFileExists( tmp ))
1219         {
1220           // Touch the file to create it (reserve name)
1221           FILE *fd = fopen (wxFNCONV(tmp), "w");
1222           if (fd)
1223             fclose (fd);
1224           last_temp = suffix;
1225           if (buf)
1226             wxStrcpy( buf, tmp);
1227           else
1228             buf = copystring( tmp );
1229           return buf;
1230         }
1231     }
1232   wxLogError( _("wxWindows: error finding temporary file name.\n") );
1233   if (buf) buf[0] = 0;
1234   return (wxChar *) NULL;
1235 #endif
1236 }
1237
1238 bool wxGetTempFileName(const wxString& prefix, wxString& buf)
1239 {
1240     wxChar buf2[512];
1241     if (wxGetTempFileName(prefix, buf2) != (wxChar*) NULL)
1242     {
1243         buf = buf2;
1244         return TRUE;
1245     }
1246     else
1247         return FALSE;
1248 }
1249
1250 // Get first file name matching given wild card.
1251
1252 #ifdef __UNIX__
1253
1254 // Get first file name matching given wild card.
1255 // Flags are reserved for future use.
1256
1257 #if !defined( __VMS__ ) || ( __VMS_VER >= 70000000 )
1258     static DIR *gs_dirStream = (DIR *) NULL;
1259     static wxString gs_strFileSpec;
1260     static int gs_findFlags = 0;
1261 #endif
1262
1263 wxString wxFindFirstFile(const wxChar *spec, int flags)
1264 {
1265     wxString result;
1266 #ifdef __VMS
1267    wxChar *specvms = NULL;
1268 #endif
1269
1270 #if !defined( __VMS__ ) || ( __VMS_VER >= 70000000 )
1271     if (gs_dirStream)
1272         closedir(gs_dirStream); // edz 941103: better housekeping
1273
1274     gs_findFlags = flags;
1275
1276     gs_strFileSpec = spec;
1277
1278     // Find path only so we can concatenate
1279     // found file onto path
1280     wxString path(wxPathOnly(gs_strFileSpec));
1281
1282     // special case: path is really "/"
1283     if ( !path && gs_strFileSpec[0u] == wxT('/') )
1284 #ifdef __VMS
1285      {
1286         wxStrcpy( specvms , wxT( "[000000]" ) );
1287         gs_strFileSpec = specvms;
1288         wxString path_vms(wxPathOnly(gs_strFileSpec));
1289         path = path_vms;
1290      }
1291 #else
1292      path = wxT('/');
1293 #endif
1294    // path is empty => Local directory
1295     if ( !path )
1296 #ifdef __VMS
1297      {
1298         wxStrcpy( specvms , wxT( "[]" ) );
1299         gs_strFileSpec = specvms;
1300         wxString path_vms1(wxPathOnly(gs_strFileSpec));
1301         path = path_vms1;
1302      }
1303 #else
1304      path = wxT('.');
1305 #endif
1306
1307     gs_dirStream = opendir(path.fn_str());
1308     if ( !gs_dirStream )
1309     {
1310         wxLogSysError(_("Can not enumerate files in directory '%s'"),
1311                       path.c_str());
1312     }
1313     else
1314     {
1315         result = wxFindNextFile();
1316     }
1317 #endif // !VMS6.x or earlier
1318
1319     return result;
1320 }
1321
1322 wxString wxFindNextFile()
1323 {
1324     wxString result;
1325
1326 #if !defined( __VMS__ ) || ( __VMS_VER >= 70000000 )
1327     wxCHECK_MSG( gs_dirStream, result, wxT("must call wxFindFirstFile first") );
1328
1329     // Find path only so we can concatenate
1330     // found file onto path
1331     wxString path(wxPathOnly(gs_strFileSpec));
1332     wxString name(wxFileNameFromPath(gs_strFileSpec));
1333
1334     /* MATTHEW: special case: path is really "/" */
1335     if ( !path && gs_strFileSpec[0u] == wxT('/'))
1336         path = wxT('/');
1337
1338     // Do the reading
1339     struct dirent *nextDir;
1340     for ( nextDir = readdir(gs_dirStream);
1341           nextDir != NULL;
1342           nextDir = readdir(gs_dirStream) )
1343     {
1344         if (wxMatchWild(name, nextDir->d_name, FALSE) &&   // RR: added FALSE to find hidden files
1345         strcmp(nextDir->d_name, ".") &&
1346         strcmp(nextDir->d_name, "..") )
1347         {
1348             result.Empty();
1349             if ( !path.IsEmpty() )
1350             {
1351                 result = path;
1352                 if ( path != wxT('/') )
1353                     result += wxT('/');
1354             }
1355
1356             result += nextDir->d_name;
1357
1358             // Only return "." and ".." when they match
1359             bool isdir;
1360             if ( (strcmp(nextDir->d_name, ".") == 0) ||
1361                  (strcmp(nextDir->d_name, "..") == 0))
1362             {
1363                 if ( (gs_findFlags & wxDIR) != 0 )
1364                     isdir = TRUE;
1365                 else
1366                     continue;
1367             }
1368             else
1369                 isdir = wxDirExists(result);
1370
1371             // and only return directories when flags & wxDIR
1372             if ( !gs_findFlags ||
1373                  ((gs_findFlags & wxDIR) && isdir) ||
1374                  ((gs_findFlags & wxFILE) && !isdir) )
1375             {
1376                 return result;
1377             }
1378         }
1379     }
1380
1381     result.Empty(); // not found
1382
1383     closedir(gs_dirStream);
1384     gs_dirStream = (DIR *) NULL;
1385 #endif // !VMS6.2 or earlier
1386
1387     return result;
1388 }
1389
1390 #elif defined(__WXMAC__)
1391
1392 struct MacDirectoryIterator
1393 {
1394     CInfoPBRec            m_CPB ;
1395     wxInt16                m_index ;
1396     long                m_dirId ;
1397     Str255                m_name ;
1398 } ;
1399
1400 static int g_iter_flags ;
1401
1402 static MacDirectoryIterator g_iter ;
1403
1404 wxString wxFindFirstFile(const wxChar *spec, int flags)
1405 {
1406     wxString result;
1407
1408     g_iter_flags = flags; /* MATTHEW: [5] Remember flags */
1409
1410     // Find path only so we can concatenate found file onto path
1411     wxString path(wxPathOnly(spec));
1412     if ( !path.IsEmpty() )
1413         result << path << wxT('\\');
1414
1415     FSSpec fsspec ;
1416
1417     wxUnixFilename2FSSpec( result , &fsspec ) ;
1418     g_iter.m_CPB.hFileInfo.ioVRefNum = fsspec.vRefNum ;
1419     g_iter.m_CPB.hFileInfo.ioNamePtr = g_iter.m_name ;
1420     g_iter.m_index = 0 ;
1421
1422     Boolean isDir ;
1423     FSpGetDirectoryID( &fsspec , &g_iter.m_dirId , &isDir ) ;
1424     if ( !isDir )
1425         return wxEmptyString ;
1426
1427     return wxFindNextFile( ) ;
1428 }
1429
1430 wxString wxFindNextFile()
1431 {
1432     wxString result;
1433
1434     short err = noErr ;
1435
1436     while ( err == noErr )
1437     {
1438         g_iter.m_index++ ;
1439         g_iter.m_CPB.dirInfo.ioFDirIndex = g_iter.m_index;
1440         g_iter.m_CPB.dirInfo.ioDrDirID = g_iter.m_dirId;    /* we need to do this every time */
1441         err = PBGetCatInfoSync((CInfoPBPtr)&g_iter.m_CPB);
1442         if ( err != noErr )
1443             break ;
1444
1445         if ( ( g_iter.m_CPB.dirInfo.ioFlAttrib & ioDirMask) != 0 && (g_iter_flags & wxDIR) ) //  we have a directory
1446             break ;
1447
1448         if ( ( g_iter.m_CPB.dirInfo.ioFlAttrib & ioDirMask) == 0 && !(g_iter_flags & wxFILE ) )
1449             continue ;
1450
1451         // hit !
1452         break ;
1453     }
1454     if ( err != noErr )
1455     {
1456         return wxEmptyString ;
1457     }
1458     FSSpec spec ;
1459
1460     FSMakeFSSpecCompat(g_iter.m_CPB.hFileInfo.ioVRefNum,
1461                                    g_iter.m_dirId,
1462                                    g_iter.m_name,
1463                                    &spec) ;
1464
1465     return wxMacFSSpec2UnixFilename( &spec ) ;
1466 }
1467
1468 #elif defined(__WXMSW__)
1469
1470 #ifdef __WIN32__
1471     static HANDLE gs_hFileStruct = INVALID_HANDLE_VALUE;
1472     static WIN32_FIND_DATA gs_findDataStruct;
1473 #else // Win16
1474     #ifdef __BORLANDC__
1475         static struct ffblk gs_findDataStruct;
1476     #else
1477         static struct _find_t gs_findDataStruct;
1478     #endif // Borland
1479 #endif // Win32/16
1480
1481 static wxString gs_strFileSpec;
1482 static int gs_findFlags = 0;
1483
1484 wxString wxFindFirstFile(const wxChar *spec, int flags)
1485 {
1486     wxString result;
1487
1488     gs_strFileSpec = spec;
1489     gs_findFlags = flags; /* MATTHEW: [5] Remember flags */
1490
1491     // Find path only so we can concatenate found file onto path
1492     wxString path(wxPathOnly(gs_strFileSpec));
1493     if ( !path.IsEmpty() )
1494         result << path << wxT('\\');
1495
1496 #ifdef __WIN32__
1497     if ( gs_hFileStruct != INVALID_HANDLE_VALUE )
1498         FindClose(gs_hFileStruct);
1499
1500     gs_hFileStruct = ::FindFirstFile(WXSTRINGCAST spec, &gs_findDataStruct);
1501
1502     if ( gs_hFileStruct == INVALID_HANDLE_VALUE )
1503     {
1504         result.Empty();
1505
1506         return result;
1507     }
1508
1509     bool isdir = !!(gs_findDataStruct.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY);
1510
1511     if (isdir && !(flags & wxDIR))
1512         return wxFindNextFile();
1513     else if (!isdir && flags && !(flags & wxFILE))
1514         return wxFindNextFile();
1515
1516     result += gs_findDataStruct.cFileName;
1517
1518     return result;
1519 #else // !Win32
1520     int flag = _A_NORMAL;
1521     if (flags & wxDIR)
1522         flag = _A_SUBDIR;
1523
1524 #ifdef __BORLANDC__
1525     if (findfirst(WXSTRINGCAST spec, &gs_findDataStruct, flag) == 0)
1526 #else
1527         if (_dos_findfirst(WXSTRINGCAST spec, flag, &gs_findDataStruct) == 0)
1528 #endif
1529         {
1530             char attrib;
1531
1532 #ifdef __BORLANDC__
1533             attrib = gs_findDataStruct.ff_attrib;
1534 #else
1535             attrib = gs_findDataStruct.attrib;
1536 #endif
1537
1538             if (attrib & _A_SUBDIR) {
1539                 if (!(gs_findFlags & wxDIR))
1540                     return wxFindNextFile();
1541             } else if (gs_findFlags && !(gs_findFlags & wxFILE))
1542                 return wxFindNextFile();
1543
1544             result +=
1545 #ifdef __BORLANDC__
1546                     gs_findDataStruct.ff_name
1547 #else
1548                     gs_findDataStruct.name
1549 #endif
1550                     ;
1551         }
1552
1553     return result;
1554 #endif // __WIN32__
1555 }
1556
1557
1558 wxString wxFindNextFile()
1559 {
1560     wxString result;
1561
1562     // Find path only so we can concatenate found file onto path
1563     wxString path(wxPathOnly(gs_strFileSpec));
1564
1565 try_again:
1566
1567 #ifdef __WIN32__
1568     if (gs_hFileStruct == INVALID_HANDLE_VALUE)
1569         return result;
1570
1571     bool success = (FindNextFile(gs_hFileStruct, &gs_findDataStruct) != 0);
1572     if (!success)
1573     {
1574         FindClose(gs_hFileStruct);
1575         gs_hFileStruct = INVALID_HANDLE_VALUE;
1576     }
1577     else
1578     {
1579         bool isdir = !!(gs_findDataStruct.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY);
1580
1581         if (isdir && !(gs_findFlags & wxDIR))
1582             goto try_again;
1583         else if (!isdir && gs_findFlags && !(gs_findFlags & wxFILE))
1584             goto try_again;
1585
1586         if ( !path.IsEmpty() )
1587             result << path << wxT('\\');
1588         result << gs_findDataStruct.cFileName;
1589     }
1590
1591     return result;
1592 #else // Win16
1593
1594 #ifdef __BORLANDC__
1595     if (findnext(&gs_findDataStruct) == 0)
1596 #else
1597         if (_dos_findnext(&gs_findDataStruct) == 0)
1598 #endif
1599         {
1600             /* MATTHEW: [5] Check directory flag */
1601             char attrib;
1602
1603 #ifdef __BORLANDC__
1604             attrib = gs_findDataStruct.ff_attrib;
1605 #else
1606             attrib = gs_findDataStruct.attrib;
1607 #endif
1608
1609             if (attrib & _A_SUBDIR) {
1610                 if (!(gs_findFlags & wxDIR))
1611                     goto try_again;
1612             } else if (gs_findFlags && !(gs_findFlags & wxFILE))
1613                 goto try_again;
1614
1615
1616             result +=
1617 #ifdef __BORLANDC__
1618                       gs_findDataStruct.ff_name
1619 #else
1620                       gs_findDataStruct.name
1621 #endif
1622                       ;
1623         }
1624
1625     return result;
1626 #endif // Win32/16
1627 }
1628
1629 #elif defined(__WXPM__)
1630
1631 wxString wxFindFirstFile(const wxChar *spec, int flags)
1632 {
1633     wxString result;
1634
1635     /*
1636     // TODO: figure something out here for OS/2
1637     gs_strFileSpec = spec;
1638     gs_findFlags = flags;
1639
1640     // Find path only so we can concatenate found file onto path
1641     wxString path(wxPathOnly(gs_strFileSpec));
1642     if ( !path.IsEmpty() )
1643         result << path << wxT('\\');
1644
1645     int flag = _A_NORMAL;
1646     if (flags & wxDIR)
1647         flag = _A_SUBDIR;
1648
1649     if (_dos_findfirst(WXSTRINGCAST spec, flag, &gs_findDataStruct) == 0)
1650     {
1651         char attrib;
1652         attrib = gs_findDataStruct.attrib;
1653
1654         if (attrib & _A_SUBDIR) {
1655             if (!(gs_findFlags & wxDIR))
1656                 return wxFindNextFile();
1657         } else if (gs_findFlags && !(gs_findFlags & wxFILE))
1658             return wxFindNextFile();
1659
1660         result += gs_findDataStruct.name;
1661     }
1662     */
1663     return result;
1664 }
1665
1666 wxString wxFindNextFile()
1667 {
1668     wxString result;
1669     // TODO:
1670     return result;
1671 }
1672
1673 #endif // Unix/Windows/OS/2
1674
1675 // Get current working directory.
1676 // If buf is NULL, allocates space using new, else
1677 // copies into buf.
1678 wxChar *wxGetWorkingDirectory(wxChar *buf, int sz)
1679 {
1680   if (!buf)
1681     buf = new wxChar[sz+1];
1682 #if wxUSE_UNICODE
1683   char *cbuf = new char[sz+1];
1684 #ifdef _MSC_VER
1685   if (_getcwd(cbuf, sz) == NULL) {
1686 #elif defined( __WXMAC__)
1687     enum
1688     {
1689         SFSaveDisk = 0x214, CurDirStore = 0x398
1690     };
1691     FSSpec cwdSpec ;
1692
1693     FSMakeFSSpec( - *(short *) SFSaveDisk , *(long *) CurDirStore , NULL , &cwdSpec ) ;
1694     wxString res = wxMacFSSpec2UnixFilename( &cwdSpec ) ;
1695     strcpy( buf , res ) ;
1696     if (0) {
1697 #else
1698   if (getcwd(cbuf, sz) == NULL) {
1699 #endif
1700     delete [] cbuf;
1701 #else // wxUnicode
1702 #ifdef _MSC_VER
1703   if (_getcwd(buf, sz) == NULL) {
1704 #elif defined( __WXMAC__)
1705     enum
1706     {
1707         SFSaveDisk = 0x214, CurDirStore = 0x398
1708     };
1709     FSSpec cwdSpec ;
1710
1711     FSMakeFSSpec( - *(short *) SFSaveDisk , *(long *) CurDirStore , NULL , &cwdSpec ) ;
1712     wxString res = wxMacFSSpec2UnixFilename( &cwdSpec ) ;
1713     strcpy( buf , res ) ;
1714     if (0) {
1715 #elif(__VISAGECPP__)
1716     APIRET rc;
1717     rc = ::DosQueryCurrentDir( 0 // current drive
1718                               ,buf
1719                               ,(PULONG)&sz
1720                              );
1721     if (rc != 0) {
1722 #else
1723   if (getcwd(buf, sz) == NULL) {
1724 #endif
1725 #endif
1726     buf[0] = wxT('.');
1727     buf[1] = wxT('\0');
1728   }
1729 #if wxUSE_UNICODE
1730   else {
1731     wxConvFile.MB2WC(buf, cbuf, sz);
1732     delete [] cbuf;
1733   }
1734 #endif
1735   return buf;
1736 }
1737
1738 wxString wxGetCwd()
1739 {
1740     static const size_t maxPathLen = 1024;
1741
1742     wxString str;
1743     wxGetWorkingDirectory(str.GetWriteBuf(maxPathLen), maxPathLen);
1744     str.UngetWriteBuf();
1745
1746     return str;
1747 }
1748
1749 bool wxSetWorkingDirectory(const wxString& d)
1750 {
1751 #if defined( __UNIX__ ) || defined( __WXMAC__ )
1752   return (chdir(wxFNSTRINGCAST d.fn_str()) == 0);
1753 #elif defined(__WXPM__)
1754   return (::DosSetCurrentDir((PSZ)d.c_str()) == 0);
1755 #elif defined(__WINDOWS__)
1756
1757 #ifdef __WIN32__
1758   return (bool)(SetCurrentDirectory(d) != 0);
1759 #else
1760   // Must change drive, too.
1761   bool isDriveSpec = ((strlen(d) > 1) && (d[1] == ':'));
1762   if (isDriveSpec)
1763   {
1764     wxChar firstChar = d[0];
1765
1766     // To upper case
1767     if (firstChar > 90)
1768       firstChar = firstChar - 32;
1769
1770     // To a drive number
1771     unsigned int driveNo = firstChar - 64;
1772     if (driveNo > 0)
1773     {
1774        unsigned int noDrives;
1775        _dos_setdrive(driveNo, &noDrives);
1776     }
1777   }
1778   bool success = (chdir(WXSTRINGCAST d) == 0);
1779
1780   return success;
1781 #endif
1782
1783 #endif
1784 }
1785
1786 // Get the OS directory if appropriate (such as the Windows directory).
1787 // On non-Windows platform, probably just return the empty string.
1788 wxString wxGetOSDirectory()
1789 {
1790 #ifdef __WINDOWS__
1791     wxChar buf[256];
1792     GetWindowsDirectory(buf, 256);
1793     return wxString(buf);
1794 #else
1795     return wxEmptyString;
1796 #endif
1797 }
1798
1799 bool wxEndsWithPathSeparator(const wxChar *pszFileName)
1800 {
1801   size_t len = wxStrlen(pszFileName);
1802   if ( len == 0 )
1803     return FALSE;
1804   else
1805     return wxIsPathSeparator(pszFileName[len - 1]);
1806 }
1807
1808 // find a file in a list of directories, returns false if not found
1809 bool wxFindFileInPath(wxString *pStr, const wxChar *pszPath, const wxChar *pszFile)
1810 {
1811     // we assume that it's not empty
1812     wxCHECK_MSG( !wxIsEmpty(pszFile), FALSE,
1813                  _T("empty file name in wxFindFileInPath"));
1814
1815     // skip path separator in the beginning of the file name if present
1816     if ( wxIsPathSeparator(*pszFile) )
1817         pszFile++;
1818
1819     // copy the path (strtok will modify it)
1820     wxChar *szPath = new wxChar[wxStrlen(pszPath) + 1];
1821     wxStrcpy(szPath, pszPath);
1822
1823     wxString strFile;
1824     wxChar *pc, *save_ptr;
1825     for ( pc = wxStrtok(szPath, wxPATH_SEP, &save_ptr);
1826           pc != NULL;
1827           pc = wxStrtok((wxChar *) NULL, wxPATH_SEP, &save_ptr) )
1828     {
1829         // search for the file in this directory
1830         strFile = pc;
1831         if ( !wxEndsWithPathSeparator(pc) )
1832             strFile += wxFILE_SEP_PATH;
1833         strFile += pszFile;
1834
1835         if ( FileExists(strFile) ) {
1836             *pStr = strFile;
1837             break;
1838         }
1839     }
1840
1841     // suppress warning about unused variable save_ptr when wxStrtok() is a
1842     // macro which throws away its third argument
1843     save_ptr = pc;
1844
1845     delete [] szPath;
1846
1847     return pc != NULL;  // if true => we breaked from the loop
1848 }
1849
1850 void WXDLLEXPORT wxSplitPath(const wxChar *pszFileName,
1851                              wxString *pstrPath,
1852                              wxString *pstrName,
1853                              wxString *pstrExt)
1854 {
1855     // it can be empty, but it shouldn't be NULL
1856     wxCHECK_RET( pszFileName, wxT("NULL file name in wxSplitPath") );
1857
1858     const wxChar *pDot = wxStrrchr(pszFileName, wxFILE_SEP_EXT);
1859
1860 #ifdef __WXMSW__
1861     // under Windows we understand both separators
1862     const wxChar *pSepUnix = wxStrrchr(pszFileName, wxFILE_SEP_PATH_UNIX);
1863     const wxChar *pSepDos = wxStrrchr(pszFileName, wxFILE_SEP_PATH_DOS);
1864     const wxChar *pLastSeparator = pSepUnix > pSepDos ? pSepUnix : pSepDos;
1865 #else // assume Unix
1866     const wxChar *pLastSeparator = wxStrrchr(pszFileName, wxFILE_SEP_PATH_UNIX);
1867
1868     if ( pDot )
1869     {
1870         if ( (pDot == pszFileName) || (*(pDot - 1) == wxFILE_SEP_PATH_UNIX) )
1871         {
1872             // under Unix, dot may be (and commonly is) the first character of the
1873             // filename, don't treat the entire filename as extension in this case
1874             pDot = NULL;
1875         }
1876     }
1877 #endif // MSW/Unix
1878
1879     if ( pDot && (pDot < pLastSeparator) )
1880     {
1881         // the dot is part of the path, not the start of the extension
1882         pDot = NULL;
1883     }
1884
1885     if ( pstrPath )
1886     {
1887         if ( pLastSeparator )
1888             *pstrPath = wxString(pszFileName, pLastSeparator - pszFileName);
1889         else
1890             pstrPath->Empty();
1891     }
1892
1893     if ( pstrName )
1894     {
1895         const wxChar *start = pLastSeparator ? pLastSeparator + 1 : pszFileName;
1896         const wxChar *end = pDot ? pDot : pszFileName + wxStrlen(pszFileName);
1897
1898         *pstrName = wxString(start, end - start);
1899     }
1900
1901     if ( pstrExt )
1902     {
1903         if ( pDot )
1904             *pstrExt = wxString(pDot + 1);
1905         else
1906             pstrExt->Empty();
1907     }
1908 }
1909
1910 time_t WXDLLEXPORT wxFileModificationTime(const wxString& filename)
1911 {
1912     wxStructStat buf;
1913
1914     wxStat(filename.fn_str(), &buf);
1915     return buf.st_mtime;
1916 }
1917
1918
1919 //------------------------------------------------------------------------
1920 // wild character routines
1921 //------------------------------------------------------------------------
1922
1923 bool wxIsWild( const wxString& pattern )
1924 {
1925   wxString tmp = pattern;
1926   wxChar *pat = WXSTRINGCAST(tmp);
1927     while (*pat) {
1928         switch (*pat++) {
1929         case wxT('?'): case wxT('*'): case wxT('['): case wxT('{'):
1930             return TRUE;
1931         case wxT('\\'):
1932             if (!*pat++)
1933                 return FALSE;
1934         }
1935     }
1936     return FALSE;
1937 };
1938
1939 bool wxMatchWild( const wxString& pat, const wxString& text, bool dot_special )
1940
1941 #if defined(HAVE_FNMATCH_H)
1942 {
1943 // this probably won't work well for multibyte chars in Unicode mode?
1944    if(dot_special)
1945       return fnmatch(pat.fn_str(), text.fn_str(), FNM_PERIOD) == 0;
1946    else
1947       return fnmatch(pat.fn_str(), text.fn_str(), 0) == 0;
1948 }
1949 #else
1950
1951 // #pragma error Broken implementation of wxMatchWild() -- needs fixing!
1952
1953    /*
1954     * WARNING: this code is broken!
1955     */
1956 {
1957   wxString tmp1 = pat;
1958   wxChar *pattern = WXSTRINGCAST(tmp1);
1959   wxString tmp2 = text;
1960   wxChar *str = WXSTRINGCAST(tmp2);
1961     wxChar c;
1962     wxChar *cp;
1963     bool done = FALSE, ret_code, ok;
1964     // Below is for vi fans
1965     const wxChar OB = wxT('{'), CB = wxT('}');
1966
1967     // dot_special means '.' only matches '.'
1968     if (dot_special && *str == wxT('.') && *pattern != *str)
1969         return FALSE;
1970
1971     while ((*pattern != wxT('\0')) && (!done)
1972     && (((*str==wxT('\0'))&&((*pattern==OB)||(*pattern==wxT('*'))))||(*str!=wxT('\0')))) {
1973         switch (*pattern) {
1974         case wxT('\\'):
1975             pattern++;
1976             if (*pattern != wxT('\0'))
1977                 pattern++;
1978             break;
1979         case wxT('*'):
1980             pattern++;
1981             ret_code = FALSE;
1982             while ((*str!=wxT('\0'))
1983             && (!(ret_code=wxMatchWild(pattern, str++, FALSE))))
1984                 /*loop*/;
1985             if (ret_code) {
1986                 while (*str != wxT('\0'))
1987                     str++;
1988                 while (*pattern != wxT('\0'))
1989                     pattern++;
1990             }
1991             break;
1992         case wxT('['):
1993             pattern++;
1994           repeat:
1995             if ((*pattern == wxT('\0')) || (*pattern == wxT(']'))) {
1996                 done = TRUE;
1997                 break;
1998             }
1999             if (*pattern == wxT('\\')) {
2000                 pattern++;
2001                 if (*pattern == wxT('\0')) {
2002                     done = TRUE;
2003                     break;
2004                 }
2005             }
2006             if (*(pattern + 1) == wxT('-')) {
2007                 c = *pattern;
2008                 pattern += 2;
2009                 if (*pattern == wxT(']')) {
2010                     done = TRUE;
2011                     break;
2012                 }
2013                 if (*pattern == wxT('\\')) {
2014                     pattern++;
2015                     if (*pattern == wxT('\0')) {
2016                         done = TRUE;
2017                         break;
2018                     }
2019                 }
2020                 if ((*str < c) || (*str > *pattern)) {
2021                     pattern++;
2022                     goto repeat;
2023                 }
2024             } else if (*pattern != *str) {
2025                 pattern++;
2026                 goto repeat;
2027             }
2028             pattern++;
2029             while ((*pattern != wxT(']')) && (*pattern != wxT('\0'))) {
2030                 if ((*pattern == wxT('\\')) && (*(pattern + 1) != wxT('\0')))
2031                     pattern++;
2032                 pattern++;
2033             }
2034             if (*pattern != wxT('\0')) {
2035                 pattern++, str++;
2036             }
2037             break;
2038         case wxT('?'):
2039             pattern++;
2040             str++;
2041             break;
2042         case OB:
2043             pattern++;
2044             while ((*pattern != CB) && (*pattern != wxT('\0'))) {
2045                 cp = str;
2046                 ok = TRUE;
2047                 while (ok && (*cp != wxT('\0')) && (*pattern != wxT('\0'))
2048                 &&  (*pattern != wxT(',')) && (*pattern != CB)) {
2049                     if (*pattern == wxT('\\'))
2050                         pattern++;
2051                     ok = (*pattern++ == *cp++);
2052                 }
2053                 if (*pattern == wxT('\0')) {
2054                     ok = FALSE;
2055                     done = TRUE;
2056                     break;
2057                 } else if (ok) {
2058                     str = cp;
2059                     while ((*pattern != CB) && (*pattern != wxT('\0'))) {
2060                         if (*++pattern == wxT('\\')) {
2061                             if (*++pattern == CB)
2062                                 pattern++;
2063                         }
2064                     }
2065                 } else {
2066                     while (*pattern!=CB && *pattern!=wxT(',') && *pattern!=wxT('\0')) {
2067                         if (*++pattern == wxT('\\')) {
2068                             if (*++pattern == CB || *pattern == wxT(','))
2069                                 pattern++;
2070                         }
2071                     }
2072                 }
2073                 if (*pattern != wxT('\0'))
2074                     pattern++;
2075             }
2076             break;
2077         default:
2078             if (*str == *pattern) {
2079                 str++, pattern++;
2080             } else {
2081                 done = TRUE;
2082             }
2083         }
2084     }
2085     while (*pattern == wxT('*'))
2086         pattern++;
2087     return ((*str == wxT('\0')) && (*pattern == wxT('\0')));
2088 };
2089
2090 #endif
2091
2092 #ifdef __VISUALC__
2093     #pragma warning(default:4706)   // assignment within conditional expression
2094 #endif // VC++