src/common/filefn.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        filefn.cpp
   3 // Purpose:     File- and directory-related functions
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     29/01/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) 1998 Julian Smart
   9 // Licence:     wxWindows license
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // ============================================================================
  13 // declarations
  14 // ============================================================================
  15
  16 // ----------------------------------------------------------------------------
  17 // headers
  18 // ----------------------------------------------------------------------------
  19
  20 #ifdef __GNUG__
  21     #pragma implementation "filefn.h"
  22 #endif
  23
  24 // For compilers that support precompilation, includes "wx.h".
  25 #include "wx/wxprec.h"
  26 #include "wx/defs.h"
  27
  28 #ifdef __BORLANDC__
  29     #pragma hdrstop
  30 #endif
  31
  32 #ifndef WX_PRECOMP
  33     #include "wx/defs.h"
  34 #endif
  35
  36 #include "wx/utils.h"
  37 #include "wx/intl.h"
  38
  39 // there are just too many of those...
  40 #ifdef __VISUALC__
  41     #pragma warning(disable:4706)   // assignment within conditional expression
  42 #endif // VC++
  43
  44 #include <ctype.h>
  45 #include <stdio.h>
  46 #include <stdlib.h>
  47 #include <string.h>
  48 #if !defined(__WATCOMC__)
  49     #if !(defined(_MSC_VER) && (_MSC_VER > 800))
  50         #include <errno.h>
  51     #endif
  52 #endif
  53
  54 #include <time.h>
  55
  56 #ifndef __MWERKS__
  57     #include <sys/types.h>
  58     #include <sys/stat.h>
  59 #else
  60     #include <stat.h>
  61     #include <unistd.h>
  62 #endif
  63
  64 #ifdef __UNIX__
  65     #include <unistd.h>
  66     #include <dirent.h>
  67 #endif
  68
  69 #ifdef __OS2__
  70     #include <direct.h>
  71     #include <process.h>
  72 #endif
  73 #ifdef __WINDOWS__
  74 #if !defined( __GNUWIN32__ ) && !defined( __MWERKS__ ) && !defined(__SALFORDC__)
  75     #include <direct.h>
  76     #include <dos.h>
  77 #endif // __WINDOWS__
  78 #endif // native Win compiler
  79
  80 #ifdef __GNUWIN32__
  81     #ifndef __TWIN32__
  82         #include <sys/unistd.h>
  83     #endif
  84 #endif
  85
  86 #ifdef __BORLANDC__ // Please someone tell me which version of Borland needs
  87                     // this (3.1 I believe) and how to test for it.
  88                     // If this works for Borland 4.0 as well, then no worries.
  89     #include <dir.h>
  90 #endif
  91
  92 #ifdef __SALFORDC__
  93     #include <dir.h>
  94     #include <unix.h>
  95 #endif
  96
  97 #include "wx/setup.h"
  98 #include "wx/log.h"
  99
 100 // No, Cygwin doesn't appear to have fnmatch.h after all.
 101 #if defined(HAVE_FNMATCH_H)
 102     #include "fnmatch.h"
 103 #endif
 104
 105 #ifdef __WINDOWS__
 106     #include "windows.h"
 107 #endif
 108
 109 // ----------------------------------------------------------------------------
 110 // constants
 111 // ----------------------------------------------------------------------------
 112
 113 #define _MAXPATHLEN 500
 114
 115 extern wxChar *wxBuffer;
 116
 117 #ifdef __WXMAC__
 118
 119 #include "morefile.h"
 120 #include "moreextr.h"
 121 #include "fullpath.h"
 122 #include "fspcompa.h"
 123 #endif
 124
 125 #if !USE_SHARED_LIBRARIES
 126     IMPLEMENT_DYNAMIC_CLASS(wxPathList, wxStringList)
 127 #endif
 128
 129 // ----------------------------------------------------------------------------
 130 // private globals
 131 // ----------------------------------------------------------------------------
 132
 133 static wxChar wxFileFunctionsBuffer[4*_MAXPATHLEN];
 134
 135 // ============================================================================
 136 // implementation
 137 // ============================================================================
 138
 139 void wxPathList::Add (const wxString& path)
 140 {
 141     wxStringList::Add (WXSTRINGCAST path);
 142 }
 143
 144 // Add paths e.g. from the PATH environment variable
 145 void wxPathList::AddEnvList (const wxString& envVariable)
 146 {
 147   static const wxChar PATH_TOKS[] =
 148 #ifdef __WINDOWS__
 149         wxT(" ;"); // Don't seperate with colon in DOS (used for drive)
 150 #else
 151         wxT(" :;");
 152 #endif
 153
 154   wxChar *val = wxGetenv (WXSTRINGCAST envVariable);
 155   if (val && *val)
 156     {
 157       wxChar *s = copystring (val);
 158       wxChar *save_ptr, *token = wxStrtok (s, PATH_TOKS, &save_ptr);
 159
 160       if (token)
 161       {
 162           Add (copystring (token));
 163           while (token)
 164           {
 165               if ((token = wxStrtok ((wxChar *) NULL, PATH_TOKS, &save_ptr)) != NULL)
 166                   Add (wxString(token));
 167           }
 168       }
 169
 170       // suppress warning about unused variable save_ptr when wxStrtok() is a
 171       // macro which throws away its third argument
 172       save_ptr = token;
 173
 174       delete [] s;
 175     }
 176 }
 177
 178 // Given a full filename (with path), ensure that that file can
 179 // be accessed again USING FILENAME ONLY by adding the path
 180 // to the list if not already there.
 181 void wxPathList::EnsureFileAccessible (const wxString& path)
 182 {
 183     wxString path_only(wxPathOnly(path));
 184     if ( !path_only.IsEmpty() )
 185     {
 186         if ( !Member(path_only) )
 187             Add(path_only);
 188     }
 189 }
 190
 191 bool wxPathList::Member (const wxString& path)
 192 {
 193   for (wxNode * node = First (); node != NULL; node = node->Next ())
 194   {
 195       wxString path2((wxChar *) node->Data ());
 196       if (
 197 #if defined(__WINDOWS__) || defined(__VMS__) || defined (__WXMAC__)
 198       // Case INDEPENDENT
 199           path.CompareTo (path2, wxString::ignoreCase) == 0
 200 #else
 201       // Case sensitive File System
 202           path.CompareTo (path2) == 0
 203 #endif
 204         )
 205         return TRUE;
 206   }
 207   return FALSE;
 208 }
 209
 210 wxString wxPathList::FindValidPath (const wxString& file)
 211 {
 212   if (wxFileExists (wxExpandPath(wxFileFunctionsBuffer, file)))
 213     return wxString(wxFileFunctionsBuffer);
 214
 215   wxChar buf[_MAXPATHLEN];
 216   wxStrcpy(buf, wxFileFunctionsBuffer);
 217
 218   wxChar *filename = (wxChar*) NULL; /* shut up buggy egcs warning */
 219   filename = IsAbsolutePath (buf) ? wxFileNameFromPath (buf) : (wxChar *)buf;
 220
 221   for (wxNode * node = First (); node; node = node->Next ())
 222     {
 223       wxChar *path = (wxChar *) node->Data ();
 224       wxStrcpy (wxFileFunctionsBuffer, path);
 225       wxChar ch = wxFileFunctionsBuffer[wxStrlen(wxFileFunctionsBuffer)-1];
 226       if (ch != wxT('\\') && ch != wxT('/'))
 227         wxStrcat (wxFileFunctionsBuffer, wxT("/"));
 228       wxStrcat (wxFileFunctionsBuffer, filename);
 229 #ifdef __WINDOWS__
 230       Unix2DosFilename (wxFileFunctionsBuffer);
 231 #endif
 232       if (wxFileExists (wxFileFunctionsBuffer))
 233       {
 234         return wxString(wxFileFunctionsBuffer);        // Found!
 235       }
 236     }                                // for()
 237
 238   return wxString(wxT(""));                    // Not found
 239 }
 240
 241 wxString wxPathList::FindAbsoluteValidPath (const wxString& file)
 242 {
 243     wxString f = FindValidPath(file);
 244     if ( wxIsAbsolutePath(f) )
 245         return f;
 246
 247     wxString buf;
 248     wxGetWorkingDirectory(buf.GetWriteBuf(_MAXPATHLEN), _MAXPATHLEN - 1);
 249     buf.UngetWriteBuf();
 250     if ( !wxEndsWithPathSeparator(buf) )
 251     {
 252         buf += wxFILE_SEP_PATH;
 253     }
 254     buf += f;
 255
 256     return buf;
 257 }
 258
 259 bool
 260 wxFileExists (const wxString& filename)
 261 {
 262 #ifdef __GNUWIN32__ // (fix a B20 bug)
 263   if (GetFileAttributes(filename) == 0xFFFFFFFF)
 264     return FALSE;
 265   else
 266     return TRUE;
 267 #elif defined(__WXMAC__)
 268           struct stat stbuf;
 269         if (filename && stat (wxUnix2MacFilename(filename), &stbuf) == 0 )
 270           return TRUE;
 271     return FALSE ;
 272 #else
 273
 274 #ifdef __SALFORDC__
 275   struct _stat stbuf;
 276 #else
 277   struct stat stbuf;
 278 #endif
 279
 280   if ((filename != wxT("")) && stat (wxFNSTRINGCAST filename.fn_str(), &stbuf) == 0)
 281     return TRUE;
 282   return FALSE;
 283 #endif
 284 }
 285
 286 /* Vadim's alternative implementation
 287
 288 // does the file exist?
 289 bool wxFileExists(const char *pszFileName)
 290 {
 291   struct stat st;
 292   return !access(pszFileName, 0) &&
 293          !stat(pszFileName, &st) &&
 294          (st.st_mode & S_IFREG);
 295 }
 296 */
 297
 298 bool
 299 wxIsAbsolutePath (const wxString& filename)
 300 {
 301   if (filename != wxT(""))
 302     {
 303       if (filename[0] == wxT('/')
 304 #ifdef __VMS__
 305       || (filename[0] == wxT('[') && filename[1] != wxT('.'))
 306 #endif
 307 #ifdef __WINDOWS__
 308       /* MSDOS */
 309       || filename[0] == wxT('\\') || (wxIsalpha (filename[0]) && filename[1] == wxT(':'))
 310 #endif
 311         )
 312         return TRUE;
 313     }
 314   return FALSE;
 315 }
 316
 317 /*
 318  * Strip off any extension (dot something) from end of file,
 319  * IF one exists. Inserts zero into buffer.
 320  *
 321  */
 322
 323 void wxStripExtension(wxChar *buffer)
 324 {
 325   int len = wxStrlen(buffer);
 326   int i = len-1;
 327   while (i > 0)
 328   {
 329     if (buffer[i] == wxT('.'))
 330     {
 331       buffer[i] = 0;
 332       break;
 333     }
 334     i --;
 335   }
 336 }
 337
 338 void wxStripExtension(wxString& buffer)
 339 {
 340   size_t len = buffer.Length();
 341   size_t i = len-1;
 342   while (i > 0)
 343   {
 344     if (buffer.GetChar(i) == wxT('.'))
 345     {
 346       buffer = buffer.Left(i);
 347       break;
 348     }
 349     i --;
 350   }
 351 }
 352
 353 // Destructive removal of /./ and /../ stuff
 354 wxChar *wxRealPath (wxChar *path)
 355 {
 356 #ifdef __WXMSW__
 357   static const wxChar SEP = wxT('\\');
 358   Unix2DosFilename(path);
 359 #else
 360   static const wxChar SEP = wxT('/');
 361 #endif
 362   if (path[0] && path[1]) {
 363     /* MATTHEW: special case "/./x" */
 364     wxChar *p;
 365     if (path[2] == SEP && path[1] == wxT('.'))
 366       p = &path[0];
 367     else
 368       p = &path[2];
 369     for (; *p; p++)
 370       {
 371         if (*p == SEP)
 372           {
 373             if (p[1] == wxT('.') && p[2] == wxT('.') && (p[3] == SEP || p[3] == wxT('\0')))
 374               {
 375                 wxChar *q;
 376                 for (q = p - 1; q >= path && *q != SEP; q--);
 377                 if (q[0] == SEP && (q[1] != wxT('.') || q[2] != wxT('.') || q[3] != SEP)
 378                     && (q - 1 <= path || q[-1] != SEP))
 379                   {
 380                     wxStrcpy (q, p + 3);
 381                     if (path[0] == wxT('\0'))
 382                       {
 383                         path[0] = SEP;
 384                         path[1] = wxT('\0');
 385                       }
 386 #ifdef __WXMSW__
 387                     /* Check that path[2] is NULL! */
 388                     else if (path[1] == wxT(':') && !path[2])
 389                       {
 390                         path[2] = SEP;
 391                         path[3] = wxT('\0');
 392                       }
 393 #endif
 394                     p = q - 1;
 395                   }
 396               }
 397             else if (p[1] == wxT('.') && (p[2] == SEP || p[2] == wxT('\0')))
 398               wxStrcpy (p, p + 2);
 399           }
 400       }
 401   }
 402   return path;
 403 }
 404
 405 // Must be destroyed
 406 wxChar *wxCopyAbsolutePath(const wxString& filename)
 407 {
 408   if (filename == wxT(""))
 409     return (wxChar *) NULL;
 410
 411   if (! IsAbsolutePath(wxExpandPath(wxFileFunctionsBuffer, filename))) {
 412     wxChar  buf[_MAXPATHLEN];
 413     buf[0] = wxT('\0');
 414     wxGetWorkingDirectory(buf, WXSIZEOF(buf));
 415     wxChar ch = buf[wxStrlen(buf) - 1];
 416 #ifdef __WXMSW__
 417     if (ch != wxT('\\') && ch != wxT('/'))
 418         wxStrcat(buf, wxT("\\"));
 419 #else
 420     if (ch != wxT('/'))
 421         wxStrcat(buf, wxT("/"));
 422 #endif
 423     wxStrcat(buf, wxFileFunctionsBuffer);
 424     return copystring( wxRealPath(buf) );
 425   }
 426   return copystring( wxFileFunctionsBuffer );
 427 }
 428
 429 /*-
 430  Handles:
 431    ~/ => home dir
 432    ~user/ => user's home dir
 433    If the environment variable a = "foo" and b = "bar" then:
 434    Unix:
 435         $a        =>        foo
 436         $a$b        =>        foobar
 437         $a.c        =>        foo.c
 438         xxx$a        =>        xxxfoo
 439         ${a}!        =>        foo!
 440         $(b)!        =>        bar!
 441         \$a        =>        \$a
 442    MSDOS:
 443         $a        ==>        $a
 444         $(a)        ==>        foo
 445         $(a)$b        ==>        foo$b
 446         $(a)$(b)==>        foobar
 447         test.$$        ==>        test.$$
 448  */
 449
 450 /* input name in name, pathname output to buf. */
 451
 452 wxChar *wxExpandPath(wxChar *buf, const wxChar *name)
 453 {
 454     register wxChar *d, *s, *nm;
 455     wxChar          lnm[_MAXPATHLEN];
 456     int                                q;
 457
 458     // Some compilers don't like this line.
 459 //    const wxChar    trimchars[] = wxT("\n \t");
 460
 461     wxChar      trimchars[4];
 462     trimchars[0] = wxT('\n');
 463     trimchars[1] = wxT(' ');
 464     trimchars[2] = wxT('\t');
 465     trimchars[3] = 0;
 466
 467 #ifdef __WXMSW__
 468      const wxChar     SEP = wxT('\\');
 469 #else
 470      const wxChar     SEP = wxT('/');
 471 #endif
 472     buf[0] = wxT('\0');
 473     if (name == NULL || *name == wxT('\0'))
 474         return buf;
 475     nm = copystring(name); // Make a scratch copy
 476     wxChar *nm_tmp = nm;
 477
 478     /* Skip leading whitespace and cr */
 479     while (wxStrchr((wxChar *)trimchars, *nm) != NULL)
 480         nm++;
 481     /* And strip off trailing whitespace and cr */
 482     s = nm + (q = wxStrlen(nm)) - 1;
 483     while (q-- && wxStrchr((wxChar *)trimchars, *s) != NULL)
 484         *s = wxT('\0');
 485
 486     s = nm;
 487     d = lnm;
 488 #ifdef __WXMSW__
 489     q = FALSE;
 490 #else
 491     q = nm[0] == wxT('\\') && nm[1] == wxT('~');
 492 #endif
 493
 494     /* Expand inline environment variables */
 495 #ifdef __VISAGECPP__
 496     while (*d)
 497     {
 498       *d++ = *s;
 499       if(*s == wxT('\\'))
 500       {
 501         *(d - 1) = *++s;
 502         if (*d)
 503         {
 504           s++;
 505           continue;
 506         }
 507         else
 508            break;
 509       }
 510       else
 511 #else
 512     while ((*d++ = *s)) {
 513 #  ifndef __WXMSW__
 514         if (*s == wxT('\\')) {
 515             if ((*(d - 1) = *++s)) {
 516                 s++;
 517                 continue;
 518             } else
 519                 break;
 520         } else
 521 #  endif
 522 #endif
 523 #ifdef __WXMSW__
 524         if (*s++ == wxT('$') && (*s == wxT('{') || *s == wxT(')')))
 525 #else
 526         if (*s++ == wxT('$'))
 527 #endif
 528         {
 529             register wxChar  *start = d;
 530             register int     braces = (*s == wxT('{') || *s == wxT('('));
 531             register wxChar  *value;
 532 #ifdef __VISAGECPP__
 533     // VA gives assignment in logical expr warning
 534             while (*d)
 535                *d++ = *s;
 536 #else
 537             while ((*d++ = *s))
 538 #endif
 539                 if (braces ? (*s == wxT('}') || *s == wxT(')')) : !(wxIsalnum(*s) || *s == wxT('_')) )
 540                     break;
 541                 else
 542                     s++;
 543             *--d = 0;
 544             value = wxGetenv(braces ? start + 1 : start);
 545             if (value) {
 546 #ifdef __VISAGECPP__
 547     // VA gives assignment in logical expr warning
 548                 for ((d = start - 1); (*d); *d++ = *value++);
 549 #else
 550                 for ((d = start - 1); (*d++ = *value++););
 551 #endif
 552                 d--;
 553                 if (braces && *s)
 554                     s++;
 555             }
 556         }
 557     }
 558
 559     /* Expand ~ and ~user */
 560     nm = lnm;
 561     s = wxT("");
 562     if (nm[0] == wxT('~') && !q)
 563     {
 564         /* prefix ~ */
 565         if (nm[1] == SEP || nm[1] == 0)
 566         {        /* ~/filename */
 567             // FIXME: wxGetUserHome could return temporary storage in Unicode mode
 568             if ((s = WXSTRINGCAST wxGetUserHome(wxT(""))) != NULL) {
 569                 if (*++nm)
 570                     nm++;
 571             }
 572         } else
 573         {                /* ~user/filename */
 574             register wxChar  *nnm;
 575             register wxChar  *home;
 576             for (s = nm; *s && *s != SEP; s++);
 577             int was_sep; /* MATTHEW: Was there a separator, or NULL? */
 578             was_sep = (*s == SEP);
 579             nnm = *s ? s + 1 : s;
 580             *s = 0;
 581             // FIXME: wxGetUserHome could return temporary storage in Unicode mode
 582             if ((home = WXSTRINGCAST wxGetUserHome(wxString(nm + 1))) == NULL) {
 583                if (was_sep) /* replace only if it was there: */
 584                    *s = SEP;
 585                 s = wxT("");
 586             } else {
 587                 nm = nnm;
 588                 s = home;
 589             }
 590         }
 591     }
 592
 593     d = buf;
 594     if (s && *s) { /* MATTHEW: s could be NULL if user '~' didn't exist */
 595         /* Copy home dir */
 596         while (wxT('\0') != (*d++ = *s++))
 597           /* loop */;
 598         // Handle root home
 599         if (d - 1 > buf && *(d - 2) != SEP)
 600           *(d - 1) = SEP;
 601     }
 602     s = nm;
 603 #ifdef __VISAGECPP__
 604     // VA gives assignment in logical expr warning
 605     while (*d)
 606        *d++ = *s++;
 607 #else
 608     while ((*d++ = *s++));
 609 #endif
 610     delete[] nm_tmp; // clean up alloc
 611     /* Now clean up the buffer */
 612     return wxRealPath(buf);
 613 }
 614
 615 /* Contract Paths to be build upon an environment variable
 616    component:
 617
 618    example: "/usr/openwin/lib", OPENWINHOME --> ${OPENWINHOME}/lib
 619
 620    The call wxExpandPath can convert these back!
 621  */
 622 wxChar *
 623 wxContractPath (const wxString& filename, const wxString& envname, const wxString& user)
 624 {
 625   static wxChar dest[_MAXPATHLEN];
 626
 627   if (filename == wxT(""))
 628     return (wxChar *) NULL;
 629
 630   wxStrcpy (dest, WXSTRINGCAST filename);
 631 #ifdef __WXMSW__
 632   Unix2DosFilename(dest);
 633 #endif
 634
 635   // Handle environment
 636   const wxChar *val = (const wxChar *) NULL;
 637   wxChar *tcp = (wxChar *) NULL;
 638   if (envname != WXSTRINGCAST NULL && (val = wxGetenv (WXSTRINGCAST envname)) != NULL &&
 639      (tcp = wxStrstr (dest, val)) != NULL)
 640     {
 641         wxStrcpy (wxFileFunctionsBuffer, tcp + wxStrlen (val));
 642         *tcp++ = wxT('$');
 643         *tcp++ = wxT('{');
 644         wxStrcpy (tcp, WXSTRINGCAST envname);
 645         wxStrcat (tcp, wxT("}"));
 646         wxStrcat (tcp, wxFileFunctionsBuffer);
 647     }
 648
 649   // Handle User's home (ignore root homes!)
 650   size_t len = 0;
 651   if ((val = wxGetUserHome (user)) != NULL &&
 652       (len = wxStrlen(val)) > 2 &&
 653       wxStrncmp(dest, val, len) == 0)
 654     {
 655       wxStrcpy(wxFileFunctionsBuffer, wxT("~"));
 656       if (user != wxT(""))
 657              wxStrcat(wxFileFunctionsBuffer, (const wxChar*) user);
 658 #ifdef __WXMSW__
 659 //      strcat(wxFileFunctionsBuffer, "\\");
 660 #else
 661 //      strcat(wxFileFunctionsBuffer, "/");
 662 #endif
 663       wxStrcat(wxFileFunctionsBuffer, dest + len);
 664       wxStrcpy (dest, wxFileFunctionsBuffer);
 665     }
 666
 667   return dest;
 668 }
 669
 670 // Return just the filename, not the path
 671 // (basename)
 672 wxChar *wxFileNameFromPath (wxChar *path)
 673 {
 674   if (path)
 675     {
 676       register wxChar *tcp;
 677
 678       tcp = path + wxStrlen (path);
 679       while (--tcp >= path)
 680         {
 681           if (*tcp == wxT('/') || *tcp == wxT('\\')
 682 #ifdef __VMS__
 683      || *tcp == wxT(':') || *tcp == wxT(']'))
 684 #else
 685      )
 686 #endif
 687             return tcp + 1;
 688         }                        /* while */
 689 #if defined(__WXMSW__) || defined(__WXPM__)
 690       if (wxIsalpha (*path) && *(path + 1) == wxT(':'))
 691         return path + 2;
 692 #endif
 693     }
 694   return path;
 695 }
 696
 697 wxString wxFileNameFromPath (const wxString& path1)
 698 {
 699   if (path1 != wxT(""))
 700   {
 701
 702       wxChar *path = WXSTRINGCAST path1 ;
 703       register wxChar *tcp;
 704
 705       tcp = path + wxStrlen (path);
 706       while (--tcp >= path)
 707           {
 708             if (*tcp == wxT('/') || *tcp == wxT('\\')
 709 #ifdef __VMS__
 710         || *tcp == wxT(':') || *tcp == wxT(']'))
 711 #else
 712         )
 713 #endif
 714                 return wxString(tcp + 1);
 715             }                        /* while */
 716 #if defined(__WXMSW__) || defined(__WXPM__)
 717       if (wxIsalpha (*path) && *(path + 1) == wxT(':'))
 718             return wxString(path + 2);
 719 #endif
 720     }
 721   // Yes, this should return the path, not an empty string, otherwise
 722   // we get "thing.txt" -> "".
 723   return path1;
 724 }
 725
 726 // Return just the directory, or NULL if no directory
 727 wxChar *
 728 wxPathOnly (wxChar *path)
 729 {
 730   if (path && *path)
 731     {
 732       static wxChar buf[_MAXPATHLEN];
 733
 734       // Local copy
 735       wxStrcpy (buf, path);
 736
 737       int l = wxStrlen(path);
 738       bool done = FALSE;
 739
 740       int i = l - 1;
 741
 742       // Search backward for a backward or forward slash
 743       while (!done && i > -1)
 744       {
 745         // ] is for VMS
 746         if (path[i] == wxT('/') || path[i] == wxT('\\') || path[i] == wxT(']'))
 747         {
 748           done = TRUE;
 749 #ifdef __VMS__
 750           buf[i+1] = 0;
 751 #else
 752           buf[i] = 0;
 753 #endif
 754
 755           return buf;
 756         }
 757         else i --;
 758       }
 759
 760 #if defined(__WXMSW__) || defined(__WXPM__)
 761       // Try Drive specifier
 762       if (wxIsalpha (buf[0]) && buf[1] == wxT(':'))
 763         {
 764           // A:junk --> A:. (since A:.\junk Not A:\junk)
 765           buf[2] = wxT('.');
 766           buf[3] = wxT('\0');
 767           return buf;
 768         }
 769 #endif
 770     }
 771
 772   return (wxChar *) NULL;
 773 }
 774
 775 // Return just the directory, or NULL if no directory
 776 wxString wxPathOnly (const wxString& path)
 777 {
 778   if (path != wxT(""))
 779     {
 780       wxChar buf[_MAXPATHLEN];
 781
 782       // Local copy
 783       wxStrcpy (buf, WXSTRINGCAST path);
 784
 785       int l = path.Length();
 786       bool done = FALSE;
 787
 788       int i = l - 1;
 789
 790       // Search backward for a backward or forward slash
 791       while (!done && i > -1)
 792       {
 793         // ] is for VMS
 794         if (path[i] == wxT('/') || path[i] == wxT('\\') || path[i] == wxT(']'))
 795         {
 796           done = TRUE;
 797 #ifdef __VMS__
 798           buf[i+1] = 0;
 799 #else
 800           buf[i] = 0;
 801 #endif
 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 (char *s)
 949 #else
 950 wxUnix2DosFilename (char *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 == rename (wxFNSTRINGCAST file1.fn_str(), wxFNSTRINGCAST file2.fn_str()))
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 = remove(wxFNSTRINGCAST file.fn_str());
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 #else  // MSW and OS/2
1083     if ( mkdir(wxFNSTRINGCAST wxFNCONV(dirname)) != 0 )
1084 #endif // !MSW/MSW
1085     {
1086         wxLogSysError(_("Directory '%s' couldn't be created"), dirname);
1087
1088         return FALSE;
1089     }
1090
1091     return TRUE;
1092 #endif // Mac/!Mac
1093 }
1094
1095 bool wxRmdir(const wxString& dir, int WXUNUSED(flags))
1096 {
1097 #ifdef __VMS__
1098   return FALSE; //to be changed since rmdir exists in VMS7.x
1099 #elif defined( __WXMAC__ )
1100   return (rmdir(wxUnix2MacFilename( dir )) == 0);
1101 #else
1102
1103 #ifdef __SALFORDC__
1104   return FALSE; // What to do?
1105 #else
1106   return (rmdir(wxFNSTRINGCAST dir.fn_str()) == 0);
1107 #endif
1108
1109 #endif
1110 }
1111
1112 #if 0
1113 bool wxDirExists(const wxString& dir)
1114 {
1115 #ifdef __VMS__
1116   return FALSE; //To be changed since stat exists in VMS7.x
1117 #elif !defined(__WXMSW__)
1118   struct stat sbuf;
1119   return (stat(dir.fn_str(), &sbuf) != -1) && S_ISDIR(sbuf.st_mode) ? TRUE : FALSE;
1120 #else
1121
1122   /* MATTHEW: [6] Always use same code for Win32, call FindClose */
1123 #if defined(__WIN32__)
1124   WIN32_FIND_DATA fileInfo;
1125 #else
1126 #ifdef __BORLANDC__
1127   struct ffblk fileInfo;
1128 #else
1129   struct find_t fileInfo;
1130 #endif
1131 #endif
1132
1133 #if defined(__WIN32__)
1134         HANDLE h = FindFirstFile((LPTSTR) WXSTRINGCAST dir,(LPWIN32_FIND_DATA)&fileInfo);
1135
1136         if (h==INVALID_HANDLE_VALUE)
1137          return FALSE;
1138         else {
1139          FindClose(h);
1140          return ((fileInfo.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) == FILE_ATTRIBUTE_DIRECTORY);
1141         }
1142 #else
1143   // In Borland findfirst has a different argument
1144   // ordering from _dos_findfirst. But _dos_findfirst
1145   // _should_ be ok in both MS and Borland... why not?
1146 #ifdef __BORLANDC__
1147   return ((findfirst(WXSTRINGCAST dir, &fileInfo, _A_SUBDIR) == 0  && (fileInfo.ff_attrib & _A_SUBDIR) != 0));
1148 #else
1149   return (((_dos_findfirst(WXSTRINGCAST dir, _A_SUBDIR, &fileInfo) == 0) && (fileInfo.attrib & _A_SUBDIR)) != 0);
1150 #endif
1151 #endif
1152
1153 #endif
1154 }
1155
1156 #endif
1157
1158 // does the path exists? (may have or not '/' or '\\' at the end)
1159 bool wxPathExists(const wxChar *pszPathName)
1160 {
1161   /* Windows API returns -1 from stat for "c:\dir\" if "c:\dir" exists
1162    * OTOH, we should change "d:" to "d:\" and leave "\" as is. */
1163   wxString strPath(pszPathName);
1164   if ( wxEndsWithPathSeparator(pszPathName) && pszPathName[1] != wxT('\0') )
1165     strPath.Last() = wxT('\0');
1166
1167 #ifdef __SALFORDC__
1168   struct _stat st;
1169 #else
1170   struct stat st;
1171 #endif
1172
1173   return stat(wxFNSTRINGCAST strPath.fn_str(), &st) == 0 && (st.st_mode & S_IFDIR);
1174 }
1175
1176 // Get a temporary filename, opening and closing the file.
1177 wxChar *wxGetTempFileName(const wxString& prefix, wxChar *buf)
1178 {
1179 #ifdef __WINDOWS__
1180
1181 #ifndef        __WIN32__
1182   wxChar tmp[144];
1183   ::GetTempFileName(0, WXSTRINGCAST prefix, 0, tmp);
1184 #else
1185   wxChar tmp[MAX_PATH];
1186   wxChar tmpPath[MAX_PATH];
1187   ::GetTempPath(MAX_PATH, tmpPath);
1188   ::GetTempFileName(tmpPath, WXSTRINGCAST prefix, 0, tmp);
1189 #endif
1190   if (buf) wxStrcpy(buf, tmp);
1191   else buf = copystring(tmp);
1192   return buf;
1193
1194 #else
1195   static short last_temp = 0;        // cache last to speed things a bit
1196   // At most 1000 temp files to a process! We use a ring count.
1197   wxChar tmp[100]; // FIXME static buffer
1198
1199   for (short suffix = last_temp + 1; suffix != last_temp; ++suffix %= 1000)
1200     {
1201       wxSprintf (tmp, wxT("/tmp/%s%d.%03x"), WXSTRINGCAST prefix, (int) getpid (), (int) suffix);
1202       if (!wxFileExists( tmp ))
1203         {
1204           // Touch the file to create it (reserve name)
1205           FILE *fd = fopen (wxFNCONV(tmp), "w");
1206           if (fd)
1207             fclose (fd);
1208           last_temp = suffix;
1209           if (buf)
1210             wxStrcpy( buf, tmp);
1211           else
1212             buf = copystring( tmp );
1213           return buf;
1214         }
1215     }
1216   wxLogError( _("wxWindows: error finding temporary file name.\n") );
1217   if (buf) buf[0] = 0;
1218   return (wxChar *) NULL;
1219 #endif
1220 }
1221
1222 bool wxGetTempFileName(const wxString& prefix, wxString& buf)
1223 {
1224     wxChar buf2[512];
1225     if (wxGetTempFileName(prefix, buf2) != (wxChar*) NULL)
1226     {
1227         buf = buf2;
1228         return TRUE;
1229     }
1230     else
1231         return FALSE;
1232 }
1233
1234 // Get first file name matching given wild card.
1235
1236 #ifdef __UNIX__
1237
1238 // Get first file name matching given wild card.
1239 // Flags are reserved for future use.
1240
1241 #if !defined( __VMS__ ) || ( __VMS_VER >= 70000000 )
1242     static DIR *gs_dirStream = (DIR *) NULL;
1243     static wxString gs_strFileSpec;
1244     static int gs_findFlags = 0;
1245 #endif
1246
1247 wxString wxFindFirstFile(const wxChar *spec, int flags)
1248 {
1249     wxString result;
1250
1251 #if !defined( __VMS__ ) || ( __VMS_VER >= 70000000 )
1252     if (gs_dirStream)
1253         closedir(gs_dirStream); // edz 941103: better housekeping
1254
1255     gs_findFlags = flags;
1256
1257     gs_strFileSpec = spec;
1258
1259     // Find path only so we can concatenate
1260     // found file onto path
1261     wxString path(wxPathOnly(gs_strFileSpec));
1262
1263     // special case: path is really "/"
1264     if ( !path && gs_strFileSpec[0u] == wxT('/') )
1265         path = wxT('/');
1266     // path is empty => Local directory
1267     if ( !path )
1268         path = wxT('.');
1269
1270     gs_dirStream = opendir(path.fn_str());
1271     if ( !gs_dirStream )
1272     {
1273         wxLogSysError(_("Can not enumerate files in directory '%s'"),
1274                       path.c_str());
1275     }
1276     else
1277     {
1278         result = wxFindNextFile();
1279     }
1280 #endif // !VMS6.x or earlier
1281
1282     return result;
1283 }
1284
1285 wxString wxFindNextFile()
1286 {
1287     wxString result;
1288
1289 #if !defined( __VMS__ ) || ( __VMS_VER >= 70000000 )
1290     wxCHECK_MSG( gs_dirStream, result, wxT("must call wxFindFirstFile first") );
1291
1292     // Find path only so we can concatenate
1293     // found file onto path
1294     wxString path(wxPathOnly(gs_strFileSpec));
1295     wxString name(wxFileNameFromPath(gs_strFileSpec));
1296
1297     /* MATTHEW: special case: path is really "/" */
1298     if ( !path && gs_strFileSpec[0u] == wxT('/'))
1299         path = wxT('/');
1300
1301     // Do the reading
1302     struct dirent *nextDir;
1303     for ( nextDir = readdir(gs_dirStream);
1304           nextDir != NULL;
1305           nextDir = readdir(gs_dirStream) )
1306     {
1307         if (wxMatchWild(name, nextDir->d_name, FALSE) &&   // RR: added FALSE to find hidden files
1308             strcmp(nextDir->d_name, ".") &&
1309             strcmp(nextDir->d_name, "..") )
1310         {
1311             result.Empty();
1312             if ( !path.IsEmpty() )
1313             {
1314                 result = path;
1315                 if ( path != wxT('/') )
1316                     result += wxT('/');
1317             }
1318
1319             result += nextDir->d_name;
1320
1321             // Only return "." and ".." when they match
1322             bool isdir;
1323             if ( (strcmp(nextDir->d_name, ".") == 0) ||
1324                  (strcmp(nextDir->d_name, "..") == 0))
1325             {
1326                 if ( (gs_findFlags & wxDIR) != 0 )
1327                     isdir = TRUE;
1328                 else
1329                     continue;
1330             }
1331             else
1332                 isdir = wxDirExists(result);
1333
1334             // and only return directories when flags & wxDIR
1335             if ( !gs_findFlags ||
1336                  ((gs_findFlags & wxDIR) && isdir) ||
1337                  ((gs_findFlags & wxFILE) && !isdir) )
1338             {
1339                 return result;
1340             }
1341         }
1342     }
1343
1344     result.Empty(); // not found
1345
1346     closedir(gs_dirStream);
1347     gs_dirStream = (DIR *) NULL;
1348 #endif // !VMS6.2 or earlier
1349
1350     return result;
1351 }
1352
1353 #elif defined(__WXMAC__)
1354
1355 struct MacDirectoryIterator
1356 {
1357         CInfoPBRec                      m_CPB ;
1358         wxInt16                         m_index ;
1359         long                            m_dirId ;
1360         Str255                          m_name ;
1361 } ;
1362
1363 static int g_iter_flags ;
1364
1365 static MacDirectoryIterator g_iter ;
1366
1367 wxString wxFindFirstFile(const wxChar *spec, int flags)
1368 {
1369     wxString result;
1370
1371     g_iter_flags = flags; /* MATTHEW: [5] Remember flags */
1372
1373     // Find path only so we can concatenate found file onto path
1374     wxString path(wxPathOnly(spec));
1375     if ( !path.IsEmpty() )
1376         result << path << wxT('\\');
1377
1378         FSSpec fsspec ;
1379
1380         wxUnixFilename2FSSpec( result , &fsspec ) ;
1381         g_iter.m_CPB.hFileInfo.ioVRefNum = fsspec.vRefNum ;
1382         g_iter.m_CPB.hFileInfo.ioNamePtr = g_iter.m_name ;
1383         g_iter.m_index = 0 ;
1384
1385         Boolean isDir ;
1386         FSpGetDirectoryID( &fsspec , &g_iter.m_dirId , &isDir ) ;
1387         if ( !isDir )
1388                 return wxEmptyString ;
1389
1390         return wxFindNextFile( ) ;
1391 }
1392
1393 wxString wxFindNextFile()
1394 {
1395     wxString result;
1396
1397         short err = noErr ;
1398
1399         while ( err == noErr )
1400         {
1401                 g_iter.m_index++ ;
1402                 g_iter.m_CPB.dirInfo.ioFDirIndex = g_iter.m_index;
1403                 g_iter.m_CPB.dirInfo.ioDrDirID = g_iter.m_dirId;        /* we need to do this every time */
1404                 err = PBGetCatInfoSync((CInfoPBPtr)&g_iter.m_CPB);
1405                 if ( err != noErr )
1406                         break ;
1407
1408                 if ( ( g_iter.m_CPB.dirInfo.ioFlAttrib & ioDirMask) != 0 && (g_iter_flags & wxDIR) ) //  we have a directory
1409                         break ;
1410
1411                 if ( ( g_iter.m_CPB.dirInfo.ioFlAttrib & ioDirMask) == 0 && !(g_iter_flags & wxFILE ) )
1412                         continue ;
1413
1414                 // hit !
1415                 break ;
1416         }
1417         if ( err != noErr )
1418         {
1419                 return wxEmptyString ;
1420         }
1421         FSSpec spec ;
1422
1423         FSMakeFSSpecCompat(g_iter.m_CPB.hFileInfo.ioVRefNum,
1424                                                                    g_iter.m_dirId,
1425                                                                    g_iter.m_name,
1426                                                                    &spec) ;
1427
1428         return wxMacFSSpec2UnixFilename( &spec ) ;
1429 }
1430
1431 #elif defined(__WXMSW__)
1432
1433 #ifdef __WIN32__
1434     static HANDLE gs_hFileStruct = INVALID_HANDLE_VALUE;
1435     static WIN32_FIND_DATA gs_findDataStruct;
1436 #else // Win16
1437     #ifdef __BORLANDC__
1438         static struct ffblk gs_findDataStruct;
1439     #else
1440         static struct _find_t gs_findDataStruct;
1441     #endif // Borland
1442 #endif // Win32/16
1443
1444 static wxString gs_strFileSpec;
1445 static int gs_findFlags = 0;
1446
1447 wxString wxFindFirstFile(const wxChar *spec, int flags)
1448 {
1449     wxString result;
1450
1451     gs_strFileSpec = spec;
1452     gs_findFlags = flags; /* MATTHEW: [5] Remember flags */
1453
1454     // Find path only so we can concatenate found file onto path
1455     wxString path(wxPathOnly(gs_strFileSpec));
1456     if ( !path.IsEmpty() )
1457         result << path << wxT('\\');
1458
1459 #ifdef __WIN32__
1460     if ( gs_hFileStruct != INVALID_HANDLE_VALUE )
1461         FindClose(gs_hFileStruct);
1462
1463     gs_hFileStruct = ::FindFirstFile(WXSTRINGCAST spec, &gs_findDataStruct);
1464
1465     if ( gs_hFileStruct == INVALID_HANDLE_VALUE )
1466     {
1467         result.Empty();
1468
1469         return result;
1470     }
1471
1472     bool isdir = !!(gs_findDataStruct.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY);
1473
1474     if (isdir && !(flags & wxDIR))
1475         return wxFindNextFile();
1476     else if (!isdir && flags && !(flags & wxFILE))
1477         return wxFindNextFile();
1478
1479     result += gs_findDataStruct.cFileName;
1480
1481     return result;
1482 #else
1483     int flag = _A_NORMAL;
1484     if (flags & wxDIR) /* MATTHEW: [5] Use & */
1485         flag = _A_SUBDIR;
1486
1487 #ifdef __BORLANDC__
1488     if (findfirst(WXSTRINGCAST spec, &gs_findDataStruct, flag) == 0)
1489 #else
1490         if (_dos_findfirst(WXSTRINGCAST spec, flag, &gs_findDataStruct) == 0)
1491 #endif
1492         {
1493             /* MATTHEW: [5] Check directory flag */
1494             char attrib;
1495
1496 #ifdef __BORLANDC__
1497             attrib = gs_findDataStruct.ff_attrib;
1498 #else
1499             attrib = gs_findDataStruct.attrib;
1500 #endif
1501
1502             if (attrib & _A_SUBDIR) {
1503                 if (!(gs_findFlags & wxDIR))
1504                     return wxFindNextFile();
1505             } else if (gs_findFlags && !(gs_findFlags & wxFILE))
1506                 return wxFindNextFile();
1507
1508             result +=
1509 #ifdef __BORLANDC__
1510                     gs_findDataStruct.ff_name
1511 #else
1512                     gs_findDataStruct.name
1513 #endif
1514                     ;
1515         }
1516 #endif // __WIN32__
1517
1518     return result;
1519 }
1520
1521 wxString wxFindNextFile()
1522 {
1523     wxString result;
1524
1525     // Find path only so we can concatenate found file onto path
1526     wxString path(wxPathOnly(gs_strFileSpec));
1527
1528 try_again:
1529
1530 #ifdef __WIN32__
1531     if (gs_hFileStruct == INVALID_HANDLE_VALUE)
1532         return result;
1533
1534     bool success = (FindNextFile(gs_hFileStruct, &gs_findDataStruct) != 0);
1535     if (!success)
1536     {
1537         FindClose(gs_hFileStruct);
1538         gs_hFileStruct = INVALID_HANDLE_VALUE;
1539     }
1540     else
1541     {
1542         bool isdir = !!(gs_findDataStruct.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY);
1543
1544         if (isdir && !(gs_findFlags & wxDIR))
1545             goto try_again;
1546         else if (!isdir && gs_findFlags && !(gs_findFlags & wxFILE))
1547             goto try_again;
1548
1549         if ( !path.IsEmpty() )
1550             result << path << wxT('\\');
1551         result << gs_findDataStruct.cFileName;
1552     }
1553
1554     return result;
1555 #else // Win16
1556
1557 #ifdef __BORLANDC__
1558     if (findnext(&gs_findDataStruct) == 0)
1559 #else
1560         if (_dos_findnext(&gs_findDataStruct) == 0)
1561 #endif
1562         {
1563             /* MATTHEW: [5] Check directory flag */
1564             char attrib;
1565
1566 #ifdef __BORLANDC__
1567             attrib = gs_findDataStruct.ff_attrib;
1568 #else
1569             attrib = gs_findDataStruct.attrib;
1570 #endif
1571
1572             if (attrib & _A_SUBDIR) {
1573                 if (!(gs_findFlags & wxDIR))
1574                     goto try_again;
1575             } else if (gs_findFlags && !(gs_findFlags & wxFILE))
1576                 goto try_again;
1577
1578
1579             result +=
1580 #ifdef __BORLANDC__
1581                       gs_findDataStruct.ff_name
1582 #else
1583                       gs_findDataStruct.name
1584 #endif
1585                       ;
1586         }
1587 #endif // Win32/16
1588
1589     return result;
1590 }
1591
1592 #endif // Unix/Windows
1593
1594 // Get current working directory.
1595 // If buf is NULL, allocates space using new, else
1596 // copies into buf.
1597 wxChar *wxGetWorkingDirectory(wxChar *buf, int sz)
1598 {
1599   if (!buf)
1600     buf = new wxChar[sz+1];
1601 #if wxUSE_UNICODE
1602   char *cbuf = new char[sz+1];
1603 #ifdef _MSC_VER
1604   if (_getcwd(cbuf, sz) == NULL) {
1605 #elif defined( __WXMAC__)
1606         enum
1607         {
1608                 SFSaveDisk = 0x214, CurDirStore = 0x398
1609         };
1610         FSSpec cwdSpec ;
1611
1612         FSMakeFSSpec( - *(short *) SFSaveDisk , *(long *) CurDirStore , NULL , &cwdSpec ) ;
1613         wxString res = wxMacFSSpec2UnixFilename( &cwdSpec ) ;
1614         strcpy( buf , res ) ;
1615         if (0) {
1616 #else
1617   if (getcwd(cbuf, sz) == NULL) {
1618 #endif
1619     delete [] cbuf;
1620 #else // wxUnicode
1621 #ifdef _MSC_VER
1622   if (_getcwd(buf, sz) == NULL) {
1623 #elif defined( __WXMAC__)
1624         enum
1625         {
1626                 SFSaveDisk = 0x214, CurDirStore = 0x398
1627         };
1628         FSSpec cwdSpec ;
1629
1630         FSMakeFSSpec( - *(short *) SFSaveDisk , *(long *) CurDirStore , NULL , &cwdSpec ) ;
1631         wxString res = wxMacFSSpec2UnixFilename( &cwdSpec ) ;
1632         strcpy( buf , res ) ;
1633         if (0) {
1634 #else
1635   if (getcwd(buf, sz) == NULL) {
1636 #endif
1637 #endif
1638     buf[0] = wxT('.');
1639     buf[1] = wxT('\0');
1640   }
1641 #if wxUSE_UNICODE
1642   else {
1643     wxConvFile.MB2WC(buf, cbuf, sz);
1644     delete [] cbuf;
1645   }
1646 #endif
1647   return buf;
1648 }
1649
1650 wxString wxGetCwd()
1651 {
1652     static const size_t maxPathLen = 1024;
1653
1654     wxString str;
1655     wxGetWorkingDirectory(str.GetWriteBuf(maxPathLen), maxPathLen);
1656     str.UngetWriteBuf();
1657
1658     return str;
1659 }
1660
1661 bool wxSetWorkingDirectory(const wxString& d)
1662 {
1663 #if defined( __UNIX__ ) || defined( __WXMAC__ ) || defined(__WXPM__)
1664   return (chdir(wxFNSTRINGCAST d.fn_str()) == 0);
1665 #elif defined(__WINDOWS__)
1666
1667 #ifdef __WIN32__
1668   return (bool)(SetCurrentDirectory(d) != 0);
1669 #else
1670   // Must change drive, too.
1671   bool isDriveSpec = ((strlen(d) > 1) && (d[1] == ':'));
1672   if (isDriveSpec)
1673   {
1674     wxChar firstChar = d[0];
1675
1676     // To upper case
1677     if (firstChar > 90)
1678       firstChar = firstChar - 32;
1679
1680     // To a drive number
1681     unsigned int driveNo = firstChar - 64;
1682     if (driveNo > 0)
1683     {
1684        unsigned int noDrives;
1685        _dos_setdrive(driveNo, &noDrives);
1686     }
1687   }
1688   bool success = (chdir(WXSTRINGCAST d) == 0);
1689
1690   return success;
1691 #endif
1692
1693 #endif
1694 }
1695
1696 // Get the OS directory if appropriate (such as the Windows directory).
1697 // On non-Windows platform, probably just return the empty string.
1698 wxString wxGetOSDirectory()
1699 {
1700 #ifdef __WINDOWS__
1701     wxChar buf[256];
1702     GetWindowsDirectory(buf, 256);
1703     return wxString(buf);
1704 #else
1705     return wxEmptyString;
1706 #endif
1707 }
1708
1709 bool wxEndsWithPathSeparator(const wxChar *pszFileName)
1710 {
1711   size_t len = wxStrlen(pszFileName);
1712   if ( len == 0 )
1713     return FALSE;
1714   else
1715     return wxIsPathSeparator(pszFileName[len - 1]);
1716 }
1717
1718 // find a file in a list of directories, returns false if not found
1719 bool wxFindFileInPath(wxString *pStr, const wxChar *pszPath, const wxChar *pszFile)
1720 {
1721     // we assume that it's not empty
1722     wxCHECK_MSG( !wxIsEmpty(pszFile), FALSE,
1723             _("empty file name in wxFindFileInPath"));
1724
1725     // skip path separator in the beginning of the file name if present
1726     if ( wxIsPathSeparator(*pszFile) )
1727         pszFile++;
1728
1729     // copy the path (strtok will modify it)
1730     wxChar *szPath = new wxChar[wxStrlen(pszPath) + 1];
1731     wxStrcpy(szPath, pszPath);
1732
1733     wxString strFile;
1734     wxChar *pc, *save_ptr;
1735     for ( pc = wxStrtok(szPath, wxPATH_SEP, &save_ptr);
1736           pc != NULL;
1737           pc = wxStrtok((wxChar *) NULL, wxPATH_SEP, &save_ptr) )
1738     {
1739         // search for the file in this directory
1740         strFile = pc;
1741         if ( !wxEndsWithPathSeparator(pc) )
1742             strFile += wxFILE_SEP_PATH;
1743         strFile += pszFile;
1744
1745         if ( FileExists(strFile) ) {
1746             *pStr = strFile;
1747             break;
1748         }
1749     }
1750
1751     // suppress warning about unused variable save_ptr when wxStrtok() is a
1752     // macro which throws away its third argument
1753     save_ptr = pc;
1754
1755     delete [] szPath;
1756
1757     return pc != NULL;  // if true => we breaked from the loop
1758 }
1759
1760 void WXDLLEXPORT wxSplitPath(const wxChar *pszFileName,
1761                              wxString *pstrPath,
1762                              wxString *pstrName,
1763                              wxString *pstrExt)
1764 {
1765     // it can be empty, but it shouldn't be NULL
1766     wxCHECK_RET( pszFileName, wxT("NULL file name in wxSplitPath") );
1767
1768     const wxChar *pDot = wxStrrchr(pszFileName, wxFILE_SEP_EXT);
1769
1770 #ifdef __WXMSW__
1771     // under Windows we understand both separators
1772     const wxChar *pSepUnix = wxStrrchr(pszFileName, wxFILE_SEP_PATH_UNIX);
1773     const wxChar *pSepDos = wxStrrchr(pszFileName, wxFILE_SEP_PATH_DOS);
1774     const wxChar *pLastSeparator = pSepUnix > pSepDos ? pSepUnix : pSepDos;
1775 #else // assume Unix
1776     const wxChar *pLastSeparator = wxStrrchr(pszFileName, wxFILE_SEP_PATH_UNIX);
1777
1778     if ( pDot == pszFileName )
1779     {
1780         // under Unix files like .profile are treated in a special way
1781         pDot = NULL;
1782     }
1783 #endif // MSW/Unix
1784
1785     if ( pDot < pLastSeparator )
1786     {
1787         // the dot is part of the path, not the start of the extension
1788         pDot = NULL;
1789     }
1790
1791     if ( pstrPath )
1792     {
1793         if ( pLastSeparator )
1794             *pstrPath = wxString(pszFileName, pLastSeparator - pszFileName);
1795         else
1796             pstrPath->Empty();
1797     }
1798
1799     if ( pstrName )
1800     {
1801         const wxChar *start = pLastSeparator ? pLastSeparator + 1 : pszFileName;
1802         const wxChar *end = pDot ? pDot : pszFileName + wxStrlen(pszFileName);
1803
1804         *pstrName = wxString(start, end - start);
1805     }
1806
1807     if ( pstrExt )
1808     {
1809         if ( pDot )
1810             *pstrExt = wxString(pDot + 1);
1811         else
1812             pstrExt->Empty();
1813     }
1814 }
1815
1816 //------------------------------------------------------------------------
1817 // wild character routines
1818 //------------------------------------------------------------------------
1819
1820 bool wxIsWild( const wxString& pattern )
1821 {
1822   wxString tmp = pattern;
1823   wxChar *pat = WXSTRINGCAST(tmp);
1824     while (*pat) {
1825         switch (*pat++) {
1826         case wxT('?'): case wxT('*'): case wxT('['): case wxT('{'):
1827             return TRUE;
1828         case wxT('\\'):
1829             if (!*pat++)
1830                 return FALSE;
1831         }
1832     }
1833     return FALSE;
1834 };
1835
1836 bool wxMatchWild( const wxString& pat, const wxString& text, bool dot_special )
1837
1838 #if defined(HAVE_FNMATCH_H)
1839 {
1840 // this probably won't work well for multibyte chars in Unicode mode?
1841    if(dot_special)
1842       return fnmatch(pat.fn_str(), text.fn_str(), FNM_PERIOD) == 0;
1843    else
1844       return fnmatch(pat.fn_str(), text.fn_str(), 0) == 0;
1845 }
1846 #else
1847
1848 // #pragma error Broken implementation of wxMatchWild() -- needs fixing!
1849
1850    /*
1851     * WARNING: this code is broken!
1852     */
1853 {
1854   wxString tmp1 = pat;
1855   wxChar *pattern = WXSTRINGCAST(tmp1);
1856   wxString tmp2 = text;
1857   wxChar *str = WXSTRINGCAST(tmp2);
1858     wxChar c;
1859     wxChar *cp;
1860     bool done = FALSE, ret_code, ok;
1861     // Below is for vi fans
1862     const wxChar OB = wxT('{'), CB = wxT('}');
1863
1864     // dot_special means '.' only matches '.'
1865     if (dot_special && *str == wxT('.') && *pattern != *str)
1866         return FALSE;
1867
1868     while ((*pattern != wxT('\0')) && (!done)
1869     && (((*str==wxT('\0'))&&((*pattern==OB)||(*pattern==wxT('*'))))||(*str!=wxT('\0')))) {
1870         switch (*pattern) {
1871         case wxT('\\'):
1872             pattern++;
1873             if (*pattern != wxT('\0'))
1874                 pattern++;
1875             break;
1876         case wxT('*'):
1877             pattern++;
1878             ret_code = FALSE;
1879             while ((*str!=wxT('\0'))
1880             && (!(ret_code=wxMatchWild(pattern, str++, FALSE))))
1881                 /*loop*/;
1882             if (ret_code) {
1883                 while (*str != wxT('\0'))
1884                     str++;
1885                 while (*pattern != wxT('\0'))
1886                     pattern++;
1887             }
1888             break;
1889         case wxT('['):
1890             pattern++;
1891           repeat:
1892             if ((*pattern == wxT('\0')) || (*pattern == wxT(']'))) {
1893                 done = TRUE;
1894                 break;
1895             }
1896             if (*pattern == wxT('\\')) {
1897                 pattern++;
1898                 if (*pattern == wxT('\0')) {
1899                     done = TRUE;
1900                     break;
1901                 }
1902             }
1903             if (*(pattern + 1) == wxT('-')) {
1904                 c = *pattern;
1905                 pattern += 2;
1906                 if (*pattern == wxT(']')) {
1907                     done = TRUE;
1908                     break;
1909                 }
1910                 if (*pattern == wxT('\\')) {
1911                     pattern++;
1912                     if (*pattern == wxT('\0')) {
1913                         done = TRUE;
1914                         break;
1915                     }
1916                 }
1917                 if ((*str < c) || (*str > *pattern)) {
1918                     pattern++;
1919                     goto repeat;
1920                 }
1921             } else if (*pattern != *str) {
1922                 pattern++;
1923                 goto repeat;
1924             }
1925             pattern++;
1926             while ((*pattern != wxT(']')) && (*pattern != wxT('\0'))) {
1927                 if ((*pattern == wxT('\\')) && (*(pattern + 1) != wxT('\0')))
1928                     pattern++;
1929                 pattern++;
1930             }
1931             if (*pattern != wxT('\0')) {
1932                 pattern++, str++;
1933             }
1934             break;
1935         case wxT('?'):
1936             pattern++;
1937             str++;
1938             break;
1939         case OB:
1940             pattern++;
1941             while ((*pattern != CB) && (*pattern != wxT('\0'))) {
1942                 cp = str;
1943                 ok = TRUE;
1944                 while (ok && (*cp != wxT('\0')) && (*pattern != wxT('\0'))
1945                 &&  (*pattern != wxT(',')) && (*pattern != CB)) {
1946                     if (*pattern == wxT('\\'))
1947                         pattern++;
1948                     ok = (*pattern++ == *cp++);
1949                 }
1950                 if (*pattern == wxT('\0')) {
1951                     ok = FALSE;
1952                     done = TRUE;
1953                     break;
1954                 } else if (ok) {
1955                     str = cp;
1956                     while ((*pattern != CB) && (*pattern != wxT('\0'))) {
1957                         if (*++pattern == wxT('\\')) {
1958                             if (*++pattern == CB)
1959                                 pattern++;
1960                         }
1961                     }
1962                 } else {
1963                     while (*pattern!=CB && *pattern!=wxT(',') && *pattern!=wxT('\0')) {
1964                         if (*++pattern == wxT('\\')) {
1965                             if (*++pattern == CB || *pattern == wxT(','))
1966                                 pattern++;
1967                         }
1968                     }
1969                 }
1970                 if (*pattern != wxT('\0'))
1971                     pattern++;
1972             }
1973             break;
1974         default:
1975             if (*str == *pattern) {
1976                 str++, pattern++;
1977             } else {
1978                 done = TRUE;
1979             }
1980         }
1981     }
1982     while (*pattern == wxT('*'))
1983         pattern++;
1984     return ((*str == wxT('\0')) && (*pattern == wxT('\0')));
1985 };
1986
1987 #endif
1988
1989 #ifdef __VISUALC__
1990     #pragma warning(default:4706)   // assignment within conditional expression
1991 #endif // VC++