src/common/filefn.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        filefn.cpp
   3 // Purpose:     File- and directory-related functions
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     29/01/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) 1998 Julian Smart
   9 // Licence:     wxWindows license
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // ============================================================================
  13 // declarations
  14 // ============================================================================
  15
  16 // ----------------------------------------------------------------------------
  17 // headers
  18 // ----------------------------------------------------------------------------
  19
  20 #ifdef __GNUG__
  21     #pragma implementation "filefn.h"
  22 #endif
  23
  24 // For compilers that support precompilation, includes "wx.h".
  25 #include "wx/wxprec.h"
  26 #include "wx/defs.h"
  27
  28 #ifdef __BORLANDC__
  29     #pragma hdrstop
  30 #endif
  31
  32 #include "wx/utils.h"
  33 #include "wx/intl.h"
  34 #include "wx/ffile.h"
  35 #include "wx/filename.h"
  36
  37 // there are just too many of those...
  38 #ifdef __VISUALC__
  39     #pragma warning(disable:4706)   // assignment within conditional expression
  40 #endif // VC++
  41
  42 #include <ctype.h>
  43 #include <stdio.h>
  44 #include <stdlib.h>
  45 #include <string.h>
  46 #if !defined(__WATCOMC__)
  47     #if !(defined(_MSC_VER) && (_MSC_VER > 800))
  48         #include <errno.h>
  49     #endif
  50 #endif
  51
  52 #include <time.h>
  53
  54 #ifndef __MWERKS__
  55     #include <sys/types.h>
  56     #include <sys/stat.h>
  57 #else
  58     #include <stat.h>
  59     #include <unistd.h>
  60 #endif
  61
  62 #ifdef __UNIX__
  63     #include <unistd.h>
  64     #include <dirent.h>
  65 #endif
  66
  67 #ifdef __WXPM__
  68     #include <process.h>
  69     #include "wx/os2/private.h"
  70 #endif
  71 #ifdef __WINDOWS__
  72 #if !defined( __GNUWIN32__ ) && !defined( __MWERKS__ ) && !defined(__SALFORDC__)
  73     #include <direct.h>
  74     #include <dos.h>
  75 #endif // __WINDOWS__
  76 #endif // native Win compiler
  77
  78 #ifdef __GNUWIN32__
  79     #ifndef __TWIN32__
  80         #include <sys/unistd.h>
  81     #endif
  82 #endif
  83
  84 #ifdef __BORLANDC__ // Please someone tell me which version of Borland needs
  85                     // this (3.1 I believe) and how to test for it.
  86                     // If this works for Borland 4.0 as well, then no worries.
  87     #include <dir.h>
  88 #endif
  89
  90 #ifdef __SALFORDC__
  91     #include <dir.h>
  92     #include <unix.h>
  93 #endif
  94
  95 #include "wx/setup.h"
  96 #include "wx/log.h"
  97
  98 // No, Cygwin doesn't appear to have fnmatch.h after all.
  99 #if defined(HAVE_FNMATCH_H)
 100     #include "fnmatch.h"
 101 #endif
 102
 103 #ifdef __WINDOWS__
 104     #include <windows.h>
 105 #endif
 106
 107 // ----------------------------------------------------------------------------
 108 // constants
 109 // ----------------------------------------------------------------------------
 110
 111 #define _MAXPATHLEN 500
 112
 113 extern wxChar *wxBuffer;
 114
 115 #ifdef __WXMAC__
 116 #include "morefile.h"
 117 #include "moreextr.h"
 118 #include "fullpath.h"
 119 #include "fspcompa.h"
 120 #endif
 121
 122 IMPLEMENT_DYNAMIC_CLASS(wxPathList, wxStringList)
 123
 124 // ----------------------------------------------------------------------------
 125 // private globals
 126 // ----------------------------------------------------------------------------
 127
 128 static wxChar wxFileFunctionsBuffer[4*_MAXPATHLEN];
 129
 130 #if defined(__VISAGECPP__) && __IBMCPP__ >= 400
 131 //
 132 // VisualAge C++ V4.0 cannot have any external linkage const decs
 133 // in headers included by more than one primary source
 134 //
 135 const off_t wxInvalidOffset = (off_t)-1;
 136 #endif
 137
 138 // ----------------------------------------------------------------------------
 139 // macros
 140 // ----------------------------------------------------------------------------
 141
 142 // we need to translate Mac filenames before passing them to OS functions
 143 #ifdef __MAC__
 144     #define OS_FILENAME(s) (wxUnix2MacFilename(s))
 145 #else
 146     #define OS_FILENAME(s) (s.fn_str())
 147 #endif
 148
 149 // ============================================================================
 150 // implementation
 151 // ============================================================================
 152
 153 void wxPathList::Add (const wxString& path)
 154 {
 155     wxStringList::Add (WXSTRINGCAST path);
 156 }
 157
 158 // Add paths e.g. from the PATH environment variable
 159 void wxPathList::AddEnvList (const wxString& envVariable)
 160 {
 161   static const wxChar PATH_TOKS[] =
 162 #ifdef __WINDOWS__
 163         wxT(" ;"); // Don't seperate with colon in DOS (used for drive)
 164 #else
 165         wxT(" :;");
 166 #endif
 167
 168   wxChar *val = wxGetenv (WXSTRINGCAST envVariable);
 169   if (val && *val)
 170     {
 171       wxChar *s = copystring (val);
 172       wxChar *save_ptr, *token = wxStrtok (s, PATH_TOKS, &save_ptr);
 173
 174       if (token)
 175       {
 176           Add (copystring (token));
 177           while (token)
 178           {
 179               if ((token = wxStrtok ((wxChar *) NULL, PATH_TOKS, &save_ptr)) != NULL)
 180                   Add (wxString(token));
 181           }
 182       }
 183
 184       // suppress warning about unused variable save_ptr when wxStrtok() is a
 185       // macro which throws away its third argument
 186       save_ptr = token;
 187
 188       delete [] s;
 189     }
 190 }
 191
 192 // Given a full filename (with path), ensure that that file can
 193 // be accessed again USING FILENAME ONLY by adding the path
 194 // to the list if not already there.
 195 void wxPathList::EnsureFileAccessible (const wxString& path)
 196 {
 197     wxString path_only(wxPathOnly(path));
 198     if ( !path_only.IsEmpty() )
 199     {
 200         if ( !Member(path_only) )
 201             Add(path_only);
 202     }
 203 }
 204
 205 bool wxPathList::Member (const wxString& path)
 206 {
 207   for (wxNode * node = First (); node != NULL; node = node->Next ())
 208   {
 209       wxString path2((wxChar *) node->Data ());
 210       if (
 211 #if defined(__WINDOWS__) || defined(__VMS__) || defined (__WXMAC__)
 212       // Case INDEPENDENT
 213           path.CompareTo (path2, wxString::ignoreCase) == 0
 214 #else
 215       // Case sensitive File System
 216           path.CompareTo (path2) == 0
 217 #endif
 218         )
 219         return TRUE;
 220   }
 221   return FALSE;
 222 }
 223
 224 wxString wxPathList::FindValidPath (const wxString& file)
 225 {
 226   if (wxFileExists (wxExpandPath(wxFileFunctionsBuffer, file)))
 227     return wxString(wxFileFunctionsBuffer);
 228
 229   wxChar buf[_MAXPATHLEN];
 230   wxStrcpy(buf, wxFileFunctionsBuffer);
 231
 232   wxChar *filename = (wxChar*) NULL; /* shut up buggy egcs warning */
 233   filename = IsAbsolutePath (buf) ? wxFileNameFromPath (buf) : (wxChar *)buf;
 234
 235   for (wxNode * node = First (); node; node = node->Next ())
 236     {
 237       wxChar *path = (wxChar *) node->Data ();
 238       wxStrcpy (wxFileFunctionsBuffer, path);
 239       wxChar ch = wxFileFunctionsBuffer[wxStrlen(wxFileFunctionsBuffer)-1];
 240       if (ch != wxT('\\') && ch != wxT('/'))
 241         wxStrcat (wxFileFunctionsBuffer, wxT("/"));
 242       wxStrcat (wxFileFunctionsBuffer, filename);
 243 #ifdef __WINDOWS__
 244       Unix2DosFilename (wxFileFunctionsBuffer);
 245 #endif
 246       if (wxFileExists (wxFileFunctionsBuffer))
 247       {
 248         return wxString(wxFileFunctionsBuffer);        // Found!
 249       }
 250     }                                // for()
 251
 252   return wxString(wxT(""));                    // Not found
 253 }
 254
 255 wxString wxPathList::FindAbsoluteValidPath (const wxString& file)
 256 {
 257     wxString f = FindValidPath(file);
 258     if ( wxIsAbsolutePath(f) )
 259         return f;
 260
 261     wxString buf;
 262     wxGetWorkingDirectory(buf.GetWriteBuf(_MAXPATHLEN), _MAXPATHLEN - 1);
 263     buf.UngetWriteBuf();
 264     if ( !wxEndsWithPathSeparator(buf) )
 265     {
 266         buf += wxFILE_SEP_PATH;
 267     }
 268     buf += f;
 269
 270     return buf;
 271 }
 272
 273 bool
 274 wxFileExists (const wxString& filename)
 275 {
 276 #ifdef __GNUWIN32__ // (fix a B20 bug)
 277     return GetFileAttributes(filename) != 0xFFFFFFFF;
 278 #else
 279     wxStructStat stbuf;
 280     if ( !filename.empty() && wxStat (OS_FILENAME(filename), &stbuf) == 0 )
 281         return TRUE;
 282
 283     return FALSE;
 284 #endif
 285 }
 286
 287 bool
 288 wxIsAbsolutePath (const wxString& filename)
 289 {
 290   if (filename != wxT(""))
 291     {
 292       if (filename[0] == wxT('/')
 293 #ifdef __VMS__
 294       || (filename[0] == wxT('[') && filename[1] != wxT('.'))
 295 #endif
 296 #ifdef __WINDOWS__
 297       /* MSDOS */
 298       || filename[0] == wxT('\\') || (wxIsalpha (filename[0]) && filename[1] == wxT(':'))
 299 #endif
 300         )
 301         return TRUE;
 302     }
 303   return FALSE;
 304 }
 305
 306 /*
 307  * Strip off any extension (dot something) from end of file,
 308  * IF one exists. Inserts zero into buffer.
 309  *
 310  */
 311
 312 void wxStripExtension(wxChar *buffer)
 313 {
 314   int len = wxStrlen(buffer);
 315   int i = len-1;
 316   while (i > 0)
 317   {
 318     if (buffer[i] == wxT('.'))
 319     {
 320       buffer[i] = 0;
 321       break;
 322     }
 323     i --;
 324   }
 325 }
 326
 327 void wxStripExtension(wxString& buffer)
 328 {
 329   size_t len = buffer.Length();
 330   size_t i = len-1;
 331   while (i > 0)
 332   {
 333     if (buffer.GetChar(i) == wxT('.'))
 334     {
 335       buffer = buffer.Left(i);
 336       break;
 337     }
 338     i --;
 339   }
 340 }
 341
 342 // Destructive removal of /./ and /../ stuff
 343 wxChar *wxRealPath (wxChar *path)
 344 {
 345 #ifdef __WXMSW__
 346   static const wxChar SEP = wxT('\\');
 347   Unix2DosFilename(path);
 348 #else
 349   static const wxChar SEP = wxT('/');
 350 #endif
 351   if (path[0] && path[1]) {
 352     /* MATTHEW: special case "/./x" */
 353     wxChar *p;
 354     if (path[2] == SEP && path[1] == wxT('.'))
 355       p = &path[0];
 356     else
 357       p = &path[2];
 358     for (; *p; p++)
 359       {
 360         if (*p == SEP)
 361           {
 362             if (p[1] == wxT('.') && p[2] == wxT('.') && (p[3] == SEP || p[3] == wxT('\0')))
 363               {
 364                 wxChar *q;
 365                 for (q = p - 1; q >= path && *q != SEP; q--);
 366                 if (q[0] == SEP && (q[1] != wxT('.') || q[2] != wxT('.') || q[3] != SEP)
 367                     && (q - 1 <= path || q[-1] != SEP))
 368                   {
 369                     wxStrcpy (q, p + 3);
 370                     if (path[0] == wxT('\0'))
 371                       {
 372                         path[0] = SEP;
 373                         path[1] = wxT('\0');
 374                       }
 375 #ifdef __WXMSW__
 376                     /* Check that path[2] is NULL! */
 377                     else if (path[1] == wxT(':') && !path[2])
 378                       {
 379                         path[2] = SEP;
 380                         path[3] = wxT('\0');
 381                       }
 382 #endif
 383                     p = q - 1;
 384                   }
 385               }
 386             else if (p[1] == wxT('.') && (p[2] == SEP || p[2] == wxT('\0')))
 387               wxStrcpy (p, p + 2);
 388           }
 389       }
 390   }
 391   return path;
 392 }
 393
 394 // Must be destroyed
 395 wxChar *wxCopyAbsolutePath(const wxString& filename)
 396 {
 397   if (filename == wxT(""))
 398     return (wxChar *) NULL;
 399
 400   if (! IsAbsolutePath(wxExpandPath(wxFileFunctionsBuffer, filename))) {
 401     wxChar  buf[_MAXPATHLEN];
 402     buf[0] = wxT('\0');
 403     wxGetWorkingDirectory(buf, WXSIZEOF(buf));
 404     wxChar ch = buf[wxStrlen(buf) - 1];
 405 #ifdef __WXMSW__
 406     if (ch != wxT('\\') && ch != wxT('/'))
 407         wxStrcat(buf, wxT("\\"));
 408 #else
 409     if (ch != wxT('/'))
 410         wxStrcat(buf, wxT("/"));
 411 #endif
 412     wxStrcat(buf, wxFileFunctionsBuffer);
 413     return copystring( wxRealPath(buf) );
 414   }
 415   return copystring( wxFileFunctionsBuffer );
 416 }
 417
 418 /*-
 419  Handles:
 420    ~/ => home dir
 421    ~user/ => user's home dir
 422    If the environment variable a = "foo" and b = "bar" then:
 423    Unix:
 424         $a        =>        foo
 425         $a$b        =>        foobar
 426         $a.c        =>        foo.c
 427         xxx$a        =>        xxxfoo
 428         ${a}!        =>        foo!
 429         $(b)!        =>        bar!
 430         \$a        =>        \$a
 431    MSDOS:
 432         $a        ==>        $a
 433         $(a)        ==>        foo
 434         $(a)$b        ==>        foo$b
 435         $(a)$(b)==>        foobar
 436         test.$$        ==>        test.$$
 437  */
 438
 439 /* input name in name, pathname output to buf. */
 440
 441 wxChar *wxExpandPath(wxChar *buf, const wxChar *name)
 442 {
 443     register wxChar *d, *s, *nm;
 444     wxChar          lnm[_MAXPATHLEN];
 445     int                                q;
 446
 447     // Some compilers don't like this line.
 448 //    const wxChar    trimchars[] = wxT("\n \t");
 449
 450     wxChar      trimchars[4];
 451     trimchars[0] = wxT('\n');
 452     trimchars[1] = wxT(' ');
 453     trimchars[2] = wxT('\t');
 454     trimchars[3] = 0;
 455
 456 #ifdef __WXMSW__
 457      const wxChar     SEP = wxT('\\');
 458 #else
 459      const wxChar     SEP = wxT('/');
 460 #endif
 461     buf[0] = wxT('\0');
 462     if (name == NULL || *name == wxT('\0'))
 463         return buf;
 464     nm = copystring(name); // Make a scratch copy
 465     wxChar *nm_tmp = nm;
 466
 467     /* Skip leading whitespace and cr */
 468     while (wxStrchr((wxChar *)trimchars, *nm) != NULL)
 469         nm++;
 470     /* And strip off trailing whitespace and cr */
 471     s = nm + (q = wxStrlen(nm)) - 1;
 472     while (q-- && wxStrchr((wxChar *)trimchars, *s) != NULL)
 473         *s = wxT('\0');
 474
 475     s = nm;
 476     d = lnm;
 477 #ifdef __WXMSW__
 478     q = FALSE;
 479 #else
 480     q = nm[0] == wxT('\\') && nm[1] == wxT('~');
 481 #endif
 482
 483     /* Expand inline environment variables */
 484 #ifdef __VISAGECPP__
 485     while (*d)
 486     {
 487       *d++ = *s;
 488       if(*s == wxT('\\'))
 489       {
 490         *(d - 1) = *++s;
 491         if (*d)
 492         {
 493           s++;
 494           continue;
 495         }
 496         else
 497            break;
 498       }
 499       else
 500 #else
 501     while ((*d++ = *s)) {
 502 #  ifndef __WXMSW__
 503         if (*s == wxT('\\')) {
 504             if ((*(d - 1) = *++s)) {
 505                 s++;
 506                 continue;
 507             } else
 508                 break;
 509         } else
 510 #  endif
 511 #endif
 512 #ifdef __WXMSW__
 513         if (*s++ == wxT('$') && (*s == wxT('{') || *s == wxT(')')))
 514 #else
 515         if (*s++ == wxT('$'))
 516 #endif
 517         {
 518             register wxChar  *start = d;
 519             register int     braces = (*s == wxT('{') || *s == wxT('('));
 520             register wxChar  *value;
 521 #ifdef __VISAGECPP__
 522     // VA gives assignment in logical expr warning
 523             while (*d)
 524                *d++ = *s;
 525 #else
 526             while ((*d++ = *s))
 527 #endif
 528                 if (braces ? (*s == wxT('}') || *s == wxT(')')) : !(wxIsalnum(*s) || *s == wxT('_')) )
 529                     break;
 530                 else
 531                     s++;
 532             *--d = 0;
 533             value = wxGetenv(braces ? start + 1 : start);
 534             if (value) {
 535 #ifdef __VISAGECPP__
 536     // VA gives assignment in logical expr warning
 537                 for ((d = start - 1); (*d); *d++ = *value++);
 538 #else
 539                 for ((d = start - 1); (*d++ = *value++););
 540 #endif
 541                 d--;
 542                 if (braces && *s)
 543                     s++;
 544             }
 545         }
 546     }
 547
 548     /* Expand ~ and ~user */
 549     nm = lnm;
 550     s = wxT("");
 551     if (nm[0] == wxT('~') && !q)
 552     {
 553         /* prefix ~ */
 554         if (nm[1] == SEP || nm[1] == 0)
 555         {        /* ~/filename */
 556         // FIXME: wxGetUserHome could return temporary storage in Unicode mode
 557             if ((s = WXSTRINGCAST wxGetUserHome(wxT(""))) != NULL) {
 558                 if (*++nm)
 559                     nm++;
 560             }
 561         } else
 562         {                /* ~user/filename */
 563             register wxChar  *nnm;
 564             register wxChar  *home;
 565             for (s = nm; *s && *s != SEP; s++);
 566             int was_sep; /* MATTHEW: Was there a separator, or NULL? */
 567             was_sep = (*s == SEP);
 568             nnm = *s ? s + 1 : s;
 569             *s = 0;
 570         // FIXME: wxGetUserHome could return temporary storage in Unicode mode
 571             if ((home = WXSTRINGCAST wxGetUserHome(wxString(nm + 1))) == NULL) {
 572                if (was_sep) /* replace only if it was there: */
 573                    *s = SEP;
 574                 s = wxT("");
 575             } else {
 576                 nm = nnm;
 577                 s = home;
 578             }
 579         }
 580     }
 581
 582     d = buf;
 583     if (s && *s) { /* MATTHEW: s could be NULL if user '~' didn't exist */
 584         /* Copy home dir */
 585         while (wxT('\0') != (*d++ = *s++))
 586           /* loop */;
 587         // Handle root home
 588         if (d - 1 > buf && *(d - 2) != SEP)
 589           *(d - 1) = SEP;
 590     }
 591     s = nm;
 592 #ifdef __VISAGECPP__
 593     // VA gives assignment in logical expr warning
 594     while (*d)
 595        *d++ = *s++;
 596 #else
 597     while ((*d++ = *s++));
 598 #endif
 599     delete[] nm_tmp; // clean up alloc
 600     /* Now clean up the buffer */
 601     return wxRealPath(buf);
 602 }
 603
 604 /* Contract Paths to be build upon an environment variable
 605    component:
 606
 607    example: "/usr/openwin/lib", OPENWINHOME --> ${OPENWINHOME}/lib
 608
 609    The call wxExpandPath can convert these back!
 610  */
 611 wxChar *
 612 wxContractPath (const wxString& filename, const wxString& envname, const wxString& user)
 613 {
 614   static wxChar dest[_MAXPATHLEN];
 615
 616   if (filename == wxT(""))
 617     return (wxChar *) NULL;
 618
 619   wxStrcpy (dest, WXSTRINGCAST filename);
 620 #ifdef __WXMSW__
 621   Unix2DosFilename(dest);
 622 #endif
 623
 624   // Handle environment
 625   const wxChar *val = (const wxChar *) NULL;
 626   wxChar *tcp = (wxChar *) NULL;
 627   if (envname != WXSTRINGCAST NULL && (val = wxGetenv (WXSTRINGCAST envname)) != NULL &&
 628      (tcp = wxStrstr (dest, val)) != NULL)
 629     {
 630         wxStrcpy (wxFileFunctionsBuffer, tcp + wxStrlen (val));
 631         *tcp++ = wxT('$');
 632         *tcp++ = wxT('{');
 633         wxStrcpy (tcp, WXSTRINGCAST envname);
 634         wxStrcat (tcp, wxT("}"));
 635         wxStrcat (tcp, wxFileFunctionsBuffer);
 636     }
 637
 638   // Handle User's home (ignore root homes!)
 639   size_t len = 0;
 640   if ((val = wxGetUserHome (user)) != NULL &&
 641       (len = wxStrlen(val)) > 2 &&
 642       wxStrncmp(dest, val, len) == 0)
 643     {
 644       wxStrcpy(wxFileFunctionsBuffer, wxT("~"));
 645       if (user != wxT(""))
 646              wxStrcat(wxFileFunctionsBuffer, (const wxChar*) user);
 647 #ifdef __WXMSW__
 648 //      strcat(wxFileFunctionsBuffer, "\\");
 649 #else
 650 //      strcat(wxFileFunctionsBuffer, "/");
 651 #endif
 652       wxStrcat(wxFileFunctionsBuffer, dest + len);
 653       wxStrcpy (dest, wxFileFunctionsBuffer);
 654     }
 655
 656   return dest;
 657 }
 658
 659 // Return just the filename, not the path
 660 // (basename)
 661 wxChar *wxFileNameFromPath (wxChar *path)
 662 {
 663   if (path)
 664     {
 665       register wxChar *tcp;
 666
 667       tcp = path + wxStrlen (path);
 668       while (--tcp >= path)
 669         {
 670           if (*tcp == wxT('/') || *tcp == wxT('\\')
 671 #ifdef __VMS__
 672      || *tcp == wxT(':') || *tcp == wxT(']'))
 673 #else
 674      )
 675 #endif
 676             return tcp + 1;
 677         }                        /* while */
 678 #if defined(__WXMSW__) || defined(__WXPM__)
 679       if (wxIsalpha (*path) && *(path + 1) == wxT(':'))
 680         return path + 2;
 681 #endif
 682     }
 683   return path;
 684 }
 685
 686 wxString wxFileNameFromPath (const wxString& path1)
 687 {
 688   if (path1 != wxT(""))
 689   {
 690
 691       wxChar *path = WXSTRINGCAST path1 ;
 692       register wxChar *tcp;
 693
 694       tcp = path + wxStrlen (path);
 695       while (--tcp >= path)
 696           {
 697             if (*tcp == wxT('/') || *tcp == wxT('\\')
 698 #ifdef __VMS__
 699         || *tcp == wxT(':') || *tcp == wxT(']'))
 700 #else
 701         )
 702 #endif
 703                 return wxString(tcp + 1);
 704             }                        /* while */
 705 #if defined(__WXMSW__) || defined(__WXPM__)
 706       if (wxIsalpha (*path) && *(path + 1) == wxT(':'))
 707             return wxString(path + 2);
 708 #endif
 709     }
 710   // Yes, this should return the path, not an empty string, otherwise
 711   // we get "thing.txt" -> "".
 712   return path1;
 713 }
 714
 715 // Return just the directory, or NULL if no directory
 716 wxChar *
 717 wxPathOnly (wxChar *path)
 718 {
 719   if (path && *path)
 720     {
 721       static wxChar buf[_MAXPATHLEN];
 722
 723       // Local copy
 724       wxStrcpy (buf, path);
 725
 726       int l = wxStrlen(path);
 727       bool done = FALSE;
 728
 729       int i = l - 1;
 730
 731       // Search backward for a backward or forward slash
 732       while (!done && i > -1)
 733       {
 734         // ] is for VMS
 735         if (path[i] == wxT('/') || path[i] == wxT('\\') || path[i] == wxT(']'))
 736         {
 737           done = TRUE;
 738 #ifdef __VMS__
 739            if ( path[i] == wxT(']') )
 740              buf[i+1] = 0;
 741            else
 742 #endif
 743           buf[i] = 0;
 744
 745           return buf;
 746         }
 747         else i --;
 748       }
 749
 750 #if defined(__WXMSW__) || defined(__WXPM__)
 751       // Try Drive specifier
 752       if (wxIsalpha (buf[0]) && buf[1] == wxT(':'))
 753         {
 754           // A:junk --> A:. (since A:.\junk Not A:\junk)
 755           buf[2] = wxT('.');
 756           buf[3] = wxT('\0');
 757           return buf;
 758         }
 759 #endif
 760     }
 761
 762   return (wxChar *) NULL;
 763 }
 764
 765 // Return just the directory, or NULL if no directory
 766 wxString wxPathOnly (const wxString& path)
 767 {
 768   if (path != wxT(""))
 769     {
 770       wxChar buf[_MAXPATHLEN];
 771
 772       // Local copy
 773       wxStrcpy (buf, WXSTRINGCAST path);
 774
 775       int l = path.Length();
 776       bool done = FALSE;
 777
 778       int i = l - 1;
 779
 780       // Search backward for a backward or forward slash
 781       while (!done && i > -1)
 782       {
 783         // ] is for VMS
 784         if (path[i] == wxT('/') || path[i] == wxT('\\') || path[i] == wxT(']'))
 785         {
 786           done = TRUE;
 787 #ifdef __VMS__
 788            if ( path[i] == wxT(']') )
 789              buf[i+1] = 0;
 790            else
 791 #endif
 792           buf[i] = 0;
 793
 794           return wxString(buf);
 795         }
 796         else i --;
 797       }
 798
 799 #if defined(__WXMSW__) || defined(__WXPM__)
 800       // Try Drive specifier
 801       if (wxIsalpha (buf[0]) && buf[1] == wxT(':'))
 802         {
 803           // A:junk --> A:. (since A:.\junk Not A:\junk)
 804           buf[2] = wxT('.');
 805           buf[3] = wxT('\0');
 806           return wxString(buf);
 807         }
 808 #endif
 809     }
 810
 811   return wxString(wxT(""));
 812 }
 813
 814 // Utility for converting delimiters in DOS filenames to UNIX style
 815 // and back again - or we get nasty problems with delimiters.
 816 // Also, convert to lower case, since case is significant in UNIX.
 817
 818 #ifdef __WXMAC__
 819
 820 static char sMacFileNameConversion[ 1000 ] ;
 821
 822 wxString wxMac2UnixFilename (const char *str)
 823 {
 824     char *s = sMacFileNameConversion ;
 825     strcpy( s , str ) ;
 826   if (s)
 827   {
 828     memmove( s+1 , s ,strlen( s ) + 1) ;
 829     if ( *s == ':' )
 830             *s = '.' ;
 831     else
 832             *s = '/' ;
 833
 834     while (*s)
 835     {
 836             if (*s == ':')
 837               *s = '/';
 838             else
 839               *s = wxTolower (*s);        // Case INDEPENDENT
 840             s++;
 841     }
 842   }
 843   return wxString (sMacFileNameConversion) ;
 844 }
 845
 846 wxString wxUnix2MacFilename (const char *str)
 847 {
 848     char *s = sMacFileNameConversion ;
 849     strcpy( s , str ) ;
 850   if (s)
 851   {
 852     if ( *s == '.' )
 853     {
 854       // relative path , since it goes on with slash which is translated to a :
 855       memmove( s , s+1 ,strlen( s ) ) ;
 856     }
 857     else if ( *s == '/' )
 858     {
 859       // absolute path -> on mac just start with the drive name
 860       memmove( s , s+1 ,strlen( s ) ) ;
 861     }
 862     else
 863     {
 864       wxASSERT_MSG( 1 , "unkown path beginning" ) ;
 865     }
 866     while (*s)
 867     {
 868       if (*s == '/' || *s == '\\')
 869       {
 870           // convert any back-directory situations
 871           if ( *(s+1) == '.' && *(s+2) == '.' && ( (*(s+3) == '/' || *(s+3) == '\\') ) )
 872           {
 873           *s = ':';
 874                 memmove( s+1 , s+3 ,strlen( s+3 ) + 1 ) ;
 875           }
 876           else
 877           *s = ':';
 878       }
 879
 880       s++ ;
 881     }
 882   }
 883   return wxString (sMacFileNameConversion) ;
 884 }
 885
 886 wxString wxMacFSSpec2MacFilename( const FSSpec *spec )
 887 {
 888     Handle    myPath ;
 889     short     length ;
 890
 891     FSpGetFullPath( spec , &length , &myPath ) ;
 892     ::SetHandleSize( myPath , length + 1 ) ;
 893     ::HLock( myPath ) ;
 894     (*myPath)[length] = 0 ;
 895     if ( length > 0 && (*myPath)[length-1] ==':' )
 896         (*myPath)[length-1] = 0 ;
 897
 898     wxString result(     (char*) *myPath ) ;
 899     ::HUnlock( myPath ) ;
 900     ::DisposeHandle( myPath ) ;
 901     return result ;
 902 }
 903
 904 wxString wxMacFSSpec2UnixFilename( const FSSpec *spec )
 905 {
 906     return wxMac2UnixFilename( wxMacFSSpec2MacFilename( spec) ) ;
 907 }
 908
 909 void wxMacFilename2FSSpec( const char *path , FSSpec *spec )
 910 {
 911     FSpLocationFromFullPath( strlen(path ) , path , spec ) ;
 912 }
 913
 914 void wxUnixFilename2FSSpec( const char *path , FSSpec *spec )
 915 {
 916     wxString var = wxUnix2MacFilename( path ) ;
 917     wxMacFilename2FSSpec( var , spec ) ;
 918 }
 919
 920 #endif
 921 void
 922 wxDos2UnixFilename (char *s)
 923 {
 924   if (s)
 925     while (*s)
 926       {
 927         if (*s == '\\')
 928           *s = '/';
 929 #ifdef __WXMSW__
 930         else
 931           *s = wxTolower (*s);        // Case INDEPENDENT
 932 #endif
 933         s++;
 934       }
 935 }
 936
 937 void
 938 #if defined(__WXMSW__) || defined(__WXPM__)
 939 wxUnix2DosFilename (wxChar *s)
 940 #else
 941 wxUnix2DosFilename (wxChar *WXUNUSED(s) )
 942 #endif
 943 {
 944 // Yes, I really mean this to happen under DOS only! JACS
 945 #if defined(__WXMSW__) || defined(__WXPM__)
 946   if (s)
 947     while (*s)
 948       {
 949         if (*s == wxT('/'))
 950           *s = wxT('\\');
 951         s++;
 952       }
 953 #endif
 954 }
 955
 956 // Concatenate two files to form third
 957 bool
 958 wxConcatFiles (const wxString& file1, const wxString& file2, const wxString& file3)
 959 {
 960   wxString outfile;
 961   if ( !wxGetTempFileName("cat", outfile) )
 962       return FALSE;
 963
 964   FILE *fp1 = (FILE *) NULL;
 965   FILE *fp2 = (FILE *) NULL;
 966   FILE *fp3 = (FILE *) NULL;
 967   // Open the inputs and outputs
 968   if ((fp1 = fopen (OS_FILENAME( file1 ), "rb")) == NULL ||
 969       (fp2 = fopen (OS_FILENAME( file2 ), "rb")) == NULL ||
 970       (fp3 = fopen (OS_FILENAME( outfile ), "wb")) == NULL)
 971     {
 972       if (fp1)
 973         fclose (fp1);
 974       if (fp2)
 975         fclose (fp2);
 976       if (fp3)
 977         fclose (fp3);
 978       return FALSE;
 979     }
 980
 981   int ch;
 982   while ((ch = getc (fp1)) != EOF)
 983     (void) putc (ch, fp3);
 984   fclose (fp1);
 985
 986   while ((ch = getc (fp2)) != EOF)
 987     (void) putc (ch, fp3);
 988   fclose (fp2);
 989
 990   fclose (fp3);
 991   bool result = wxRenameFile(outfile, file3);
 992   return result;
 993 }
 994
 995 // Copy files
 996 bool
 997 wxCopyFile (const wxString& file1, const wxString& file2)
 998 {
 999     wxFFile fileIn(file1, "rb");
1000     if ( !fileIn.IsOpened() )
1001         return FALSE;
1002
1003     wxFFile fileOut(file2, "wb");
1004     if ( !fileOut.IsOpened() )
1005         return FALSE;
1006
1007     char buf[4096];
1008     size_t count;
1009     for ( ;; )
1010     {
1011         count = fileIn.Read(buf, WXSIZEOF(buf));
1012         if ( fileIn.Error() )
1013             return FALSE;
1014
1015         // end of file?
1016         if ( !count )
1017             break;
1018
1019         if ( fileOut.Write(buf, count) < count )
1020             return FALSE;
1021     }
1022
1023     return TRUE;
1024 }
1025
1026 bool
1027 wxRenameFile (const wxString& file1, const wxString& file2)
1028 {
1029   // Normal system call
1030   if ( wxRename (OS_FILENAME(file1), OS_FILENAME(file2)) == 0 )
1031     return TRUE;
1032
1033   // Try to copy
1034   if (wxCopyFile(file1, file2)) {
1035     wxRemoveFile(file1);
1036     return TRUE;
1037   }
1038   // Give up
1039   return FALSE;
1040 }
1041
1042 bool wxRemoveFile(const wxString& file)
1043 {
1044 #if defined(__VISUALC__) || defined(__BORLANDC__) || defined(__WATCOMC__)
1045   int res = wxRemove(file);
1046 #else
1047   int res = unlink(OS_FILENAME(file));
1048 #endif
1049
1050   return res == 0;
1051 }
1052
1053 bool wxMkdir(const wxString& dir, int perm)
1054 {
1055 #if defined( __WXMAC__ )
1056   return (mkdir(wxUnix2MacFilename( dir ) , 0 ) == 0);
1057 #else // !Mac
1058     const wxChar *dirname = dir.c_str();
1059
1060     // assume mkdir() has 2 args on non Windows-OS/2 platforms and on Windows too
1061     // for the GNU compiler
1062 #if (!(defined(__WXMSW__) || defined(__WXPM__))) || (defined(__GNUWIN32__) && !defined(__MINGW32__)) || defined(__WXWINE__)
1063     if ( mkdir(wxFNCONV(dirname), perm) != 0 )
1064 #elif defined(__WXPM__)
1065     if (::DosCreateDir((PSZ)dirname, NULL) != 0) // enhance for EAB's??
1066 #else  // !MSW and !OS/2 VAC++
1067     if ( wxMkDir(wxFNSTRINGCAST wxFNCONV(dirname)) != 0 )
1068 #endif // !MSW/MSW
1069     {
1070         wxLogSysError(_("Directory '%s' couldn't be created"), dirname);
1071
1072         return FALSE;
1073     }
1074
1075     return TRUE;
1076 #endif // Mac/!Mac
1077 }
1078
1079 bool wxRmdir(const wxString& dir, int WXUNUSED(flags))
1080 {
1081 #ifdef __VMS__
1082   return FALSE; //to be changed since rmdir exists in VMS7.x
1083 #elif defined(__WXPM__)
1084   return (::DosDeleteDir((PSZ)dir.c_str()) == 0);
1085 #else
1086
1087 #ifdef __SALFORDC__
1088   return FALSE; // What to do?
1089 #else
1090   return (wxRmDir(OS_FILENAME(dir)) == 0);
1091 #endif
1092
1093 #endif
1094 }
1095
1096 // does the path exists? (may have or not '/' or '\\' at the end)
1097 bool wxPathExists(const wxChar *pszPathName)
1098 {
1099     wxString strPath(pszPathName);
1100 #ifdef __WINDOWS__
1101     // Windows fails to find directory named "c:\dir\" even if "c:\dir" exists,
1102     // so remove all trailing backslashes from the path - but don't do this for
1103     // the pathes "d:\" (which are different from "d:") nor for just "\"
1104     while ( wxEndsWithPathSeparator(strPath) )
1105     {
1106         size_t len = strPath.length();
1107         if ( len == 1 || strPath[len - 1] == _T(':') )
1108             break;
1109
1110         strPath.Truncate(len - 1);
1111     }
1112 #endif // __WINDOWS__
1113
1114     wxStructStat st;
1115 #ifndef __VISAGECPP__
1116     return wxStat(wxFNSTRINGCAST strPath.fn_str(), &st) == 0 &&
1117         ((st.st_mode & S_IFMT) == S_IFDIR);
1118 #else
1119     // S_IFMT not supported in VA compilers.. st_mode is a 2byte value only
1120     return wxStat(wxFNSTRINGCAST strPath.fn_str(), &st) == 0 &&
1121         (st.st_mode == S_IFDIR);
1122 #endif
1123
1124 }
1125
1126 // Get a temporary filename, opening and closing the file.
1127 wxChar *wxGetTempFileName(const wxString& prefix, wxChar *buf)
1128 {
1129 #ifdef __WINDOWS__
1130
1131 #ifndef        __WIN32__
1132   wxChar tmp[144];
1133   ::GetTempFileName(0, WXSTRINGCAST prefix, 0, tmp);
1134 #else
1135   wxChar tmp[MAX_PATH];
1136   wxChar tmpPath[MAX_PATH];
1137   ::GetTempPath(MAX_PATH, tmpPath);
1138   ::GetTempFileName(tmpPath, WXSTRINGCAST prefix, 0, tmp);
1139 #endif
1140   if (buf) wxStrcpy(buf, tmp);
1141   else buf = copystring(tmp);
1142   return buf;
1143
1144 #else
1145   static short last_temp = 0;        // cache last to speed things a bit
1146   // At most 1000 temp files to a process! We use a ring count.
1147   wxChar tmp[100]; // FIXME static buffer
1148
1149   for (short suffix = last_temp + 1; suffix != last_temp; ++suffix %= 1000)
1150     {
1151       wxSprintf (tmp, wxT("/tmp/%s%d.%03x"), WXSTRINGCAST prefix, (int) getpid (), (int) suffix);
1152       if (!wxFileExists( tmp ))
1153         {
1154           // Touch the file to create it (reserve name)
1155           FILE *fd = fopen (wxFNCONV(tmp), "w");
1156           if (fd)
1157             fclose (fd);
1158           last_temp = suffix;
1159           if (buf)
1160             wxStrcpy( buf, tmp);
1161           else
1162             buf = copystring( tmp );
1163           return buf;
1164         }
1165     }
1166   wxLogError( _("wxWindows: error finding temporary file name.\n") );
1167   if (buf) buf[0] = 0;
1168   return (wxChar *) NULL;
1169 #endif
1170 }
1171
1172 bool wxGetTempFileName(const wxString& prefix, wxString& buf)
1173 {
1174     wxChar buf2[512];
1175     if (wxGetTempFileName(prefix, buf2) != (wxChar*) NULL)
1176     {
1177         buf = buf2;
1178         return TRUE;
1179     }
1180     else
1181         return FALSE;
1182 }
1183
1184 // Get first file name matching given wild card.
1185
1186 #ifdef __UNIX__
1187
1188 // Get first file name matching given wild card.
1189 // Flags are reserved for future use.
1190
1191 #if !defined( __VMS__ ) || ( __VMS_VER >= 70000000 )
1192     static DIR *gs_dirStream = (DIR *) NULL;
1193     static wxString gs_strFileSpec;
1194     static int gs_findFlags = 0;
1195 #endif
1196
1197 wxString wxFindFirstFile(const wxChar *spec, int flags)
1198 {
1199     wxString result;
1200 #ifdef __VMS
1201    wxChar *specvms = NULL;
1202 #endif
1203
1204 #if !defined( __VMS__ ) || ( __VMS_VER >= 70000000 )
1205     if (gs_dirStream)
1206         closedir(gs_dirStream); // edz 941103: better housekeping
1207
1208     gs_findFlags = flags;
1209
1210     gs_strFileSpec = spec;
1211
1212     // Find path only so we can concatenate
1213     // found file onto path
1214     wxString path(wxPathOnly(gs_strFileSpec));
1215
1216     // special case: path is really "/"
1217     if ( !path && gs_strFileSpec[0u] == wxT('/') )
1218 #ifdef __VMS
1219      {
1220         wxStrcpy( specvms , wxT( "[000000]" ) );
1221         gs_strFileSpec = specvms;
1222         wxString path_vms(wxPathOnly(gs_strFileSpec));
1223         path = path_vms;
1224      }
1225 #else
1226      path = wxT('/');
1227 #endif
1228    // path is empty => Local directory
1229     if ( !path )
1230 #ifdef __VMS
1231      {
1232         wxStrcpy( specvms , wxT( "[]" ) );
1233         gs_strFileSpec = specvms;
1234         wxString path_vms1(wxPathOnly(gs_strFileSpec));
1235         path = path_vms1;
1236      }
1237 #else
1238      path = wxT('.');
1239 #endif
1240
1241     gs_dirStream = opendir(path.fn_str());
1242     if ( !gs_dirStream )
1243     {
1244         wxLogSysError(_("Can not enumerate files in directory '%s'"),
1245                       path.c_str());
1246     }
1247     else
1248     {
1249         result = wxFindNextFile();
1250     }
1251 #endif // !VMS6.x or earlier
1252
1253     return result;
1254 }
1255
1256 wxString wxFindNextFile()
1257 {
1258     wxString result;
1259
1260 #if !defined( __VMS__ ) || ( __VMS_VER >= 70000000 )
1261     wxCHECK_MSG( gs_dirStream, result, wxT("must call wxFindFirstFile first") );
1262
1263     // Find path only so we can concatenate
1264     // found file onto path
1265     wxString path(wxPathOnly(gs_strFileSpec));
1266     wxString name(wxFileNameFromPath(gs_strFileSpec));
1267
1268     /* MATTHEW: special case: path is really "/" */
1269     if ( !path && gs_strFileSpec[0u] == wxT('/'))
1270         path = wxT('/');
1271
1272     // Do the reading
1273     struct dirent *nextDir;
1274     for ( nextDir = readdir(gs_dirStream);
1275           nextDir != NULL;
1276           nextDir = readdir(gs_dirStream) )
1277     {
1278         if (wxMatchWild(name, nextDir->d_name, FALSE) &&   // RR: added FALSE to find hidden files
1279         strcmp(nextDir->d_name, ".") &&
1280         strcmp(nextDir->d_name, "..") )
1281         {
1282             result.Empty();
1283             if ( !path.IsEmpty() )
1284             {
1285                 result = path;
1286                 if ( path != wxT('/') )
1287                     result += wxT('/');
1288             }
1289
1290             result += nextDir->d_name;
1291
1292             // Only return "." and ".." when they match
1293             bool isdir;
1294             if ( (strcmp(nextDir->d_name, ".") == 0) ||
1295                  (strcmp(nextDir->d_name, "..") == 0))
1296             {
1297                 if ( (gs_findFlags & wxDIR) != 0 )
1298                     isdir = TRUE;
1299                 else
1300                     continue;
1301             }
1302             else
1303                 isdir = wxDirExists(result);
1304
1305             // and only return directories when flags & wxDIR
1306             if ( !gs_findFlags ||
1307                  ((gs_findFlags & wxDIR) && isdir) ||
1308                  ((gs_findFlags & wxFILE) && !isdir) )
1309             {
1310                 return result;
1311             }
1312         }
1313     }
1314
1315     result.Empty(); // not found
1316
1317     closedir(gs_dirStream);
1318     gs_dirStream = (DIR *) NULL;
1319 #endif // !VMS6.2 or earlier
1320
1321     return result;
1322 }
1323
1324 #elif defined(__WXMAC__)
1325
1326 struct MacDirectoryIterator
1327 {
1328     CInfoPBRec            m_CPB ;
1329     wxInt16                m_index ;
1330     long                m_dirId ;
1331     Str255                m_name ;
1332 } ;
1333
1334 static int g_iter_flags ;
1335
1336 static MacDirectoryIterator g_iter ;
1337
1338 wxString wxFindFirstFile(const wxChar *spec, int flags)
1339 {
1340     wxString result;
1341
1342     g_iter_flags = flags; /* MATTHEW: [5] Remember flags */
1343
1344     // Find path only so we can concatenate found file onto path
1345     wxString path(wxPathOnly(spec));
1346     if ( !path.IsEmpty() )
1347         result << path << wxT('\\');
1348
1349     FSSpec fsspec ;
1350
1351     wxUnixFilename2FSSpec( result , &fsspec ) ;
1352     g_iter.m_CPB.hFileInfo.ioVRefNum = fsspec.vRefNum ;
1353     g_iter.m_CPB.hFileInfo.ioNamePtr = g_iter.m_name ;
1354     g_iter.m_index = 0 ;
1355
1356     Boolean isDir ;
1357     FSpGetDirectoryID( &fsspec , &g_iter.m_dirId , &isDir ) ;
1358     if ( !isDir )
1359         return wxEmptyString ;
1360
1361     return wxFindNextFile( ) ;
1362 }
1363
1364 wxString wxFindNextFile()
1365 {
1366     wxString result;
1367
1368     short err = noErr ;
1369
1370     while ( err == noErr )
1371     {
1372         g_iter.m_index++ ;
1373         g_iter.m_CPB.dirInfo.ioFDirIndex = g_iter.m_index;
1374         g_iter.m_CPB.dirInfo.ioDrDirID = g_iter.m_dirId;    /* we need to do this every time */
1375         err = PBGetCatInfoSync((CInfoPBPtr)&g_iter.m_CPB);
1376         if ( err != noErr )
1377             break ;
1378
1379         if ( ( g_iter.m_CPB.dirInfo.ioFlAttrib & ioDirMask) != 0 && (g_iter_flags & wxDIR) ) //  we have a directory
1380             break ;
1381
1382         if ( ( g_iter.m_CPB.dirInfo.ioFlAttrib & ioDirMask) == 0 && !(g_iter_flags & wxFILE ) )
1383             continue ;
1384
1385         // hit !
1386         break ;
1387     }
1388     if ( err != noErr )
1389     {
1390         return wxEmptyString ;
1391     }
1392     FSSpec spec ;
1393
1394     FSMakeFSSpecCompat(g_iter.m_CPB.hFileInfo.ioVRefNum,
1395                                    g_iter.m_dirId,
1396                                    g_iter.m_name,
1397                                    &spec) ;
1398
1399     return wxMacFSSpec2UnixFilename( &spec ) ;
1400 }
1401
1402 #elif defined(__WXMSW__)
1403
1404 #ifdef __WIN32__
1405     static HANDLE gs_hFileStruct = INVALID_HANDLE_VALUE;
1406     static WIN32_FIND_DATA gs_findDataStruct;
1407 #else // Win16
1408     #ifdef __BORLANDC__
1409         static struct ffblk gs_findDataStruct;
1410     #else
1411         static struct _find_t gs_findDataStruct;
1412     #endif // Borland
1413 #endif // Win32/16
1414
1415 static wxString gs_strFileSpec;
1416 static int gs_findFlags = 0;
1417
1418 wxString wxFindFirstFile(const wxChar *spec, int flags)
1419 {
1420     wxString result;
1421
1422     gs_strFileSpec = spec;
1423     gs_findFlags = flags; /* MATTHEW: [5] Remember flags */
1424
1425     // Find path only so we can concatenate found file onto path
1426     wxString path(wxPathOnly(gs_strFileSpec));
1427     if ( !path.IsEmpty() )
1428         result << path << wxT('\\');
1429
1430 #ifdef __WIN32__
1431     if ( gs_hFileStruct != INVALID_HANDLE_VALUE )
1432         FindClose(gs_hFileStruct);
1433
1434     gs_hFileStruct = ::FindFirstFile(WXSTRINGCAST spec, &gs_findDataStruct);
1435
1436     if ( gs_hFileStruct == INVALID_HANDLE_VALUE )
1437     {
1438         result.Empty();
1439
1440         return result;
1441     }
1442
1443     bool isdir = !!(gs_findDataStruct.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY);
1444
1445     if (isdir && !(flags & wxDIR))
1446         return wxFindNextFile();
1447     else if (!isdir && flags && !(flags & wxFILE))
1448         return wxFindNextFile();
1449
1450     result += gs_findDataStruct.cFileName;
1451
1452     return result;
1453 #else // !Win32
1454     int flag = _A_NORMAL;
1455     if (flags & wxDIR)
1456         flag = _A_SUBDIR;
1457
1458 #ifdef __BORLANDC__
1459     if (findfirst(WXSTRINGCAST spec, &gs_findDataStruct, flag) == 0)
1460 #else
1461         if (_dos_findfirst(WXSTRINGCAST spec, flag, &gs_findDataStruct) == 0)
1462 #endif
1463         {
1464             char attrib;
1465
1466 #ifdef __BORLANDC__
1467             attrib = gs_findDataStruct.ff_attrib;
1468 #else
1469             attrib = gs_findDataStruct.attrib;
1470 #endif
1471
1472             if (attrib & _A_SUBDIR) {
1473                 if (!(gs_findFlags & wxDIR))
1474                     return wxFindNextFile();
1475             } else if (gs_findFlags && !(gs_findFlags & wxFILE))
1476                 return wxFindNextFile();
1477
1478             result +=
1479 #ifdef __BORLANDC__
1480                     gs_findDataStruct.ff_name
1481 #else
1482                     gs_findDataStruct.name
1483 #endif
1484                     ;
1485         }
1486
1487     return result;
1488 #endif // __WIN32__
1489 }
1490
1491
1492 wxString wxFindNextFile()
1493 {
1494     wxString result;
1495
1496     // Find path only so we can concatenate found file onto path
1497     wxString path(wxPathOnly(gs_strFileSpec));
1498
1499 try_again:
1500
1501 #ifdef __WIN32__
1502     if (gs_hFileStruct == INVALID_HANDLE_VALUE)
1503         return result;
1504
1505     bool success = (FindNextFile(gs_hFileStruct, &gs_findDataStruct) != 0);
1506     if (!success)
1507     {
1508         FindClose(gs_hFileStruct);
1509         gs_hFileStruct = INVALID_HANDLE_VALUE;
1510     }
1511     else
1512     {
1513         bool isdir = !!(gs_findDataStruct.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY);
1514
1515         if (isdir && !(gs_findFlags & wxDIR))
1516             goto try_again;
1517         else if (!isdir && gs_findFlags && !(gs_findFlags & wxFILE))
1518             goto try_again;
1519
1520         if ( !path.IsEmpty() )
1521             result << path << wxT('\\');
1522         result << gs_findDataStruct.cFileName;
1523     }
1524
1525     return result;
1526 #else // Win16
1527
1528 #ifdef __BORLANDC__
1529     if (findnext(&gs_findDataStruct) == 0)
1530 #else
1531         if (_dos_findnext(&gs_findDataStruct) == 0)
1532 #endif
1533         {
1534             /* MATTHEW: [5] Check directory flag */
1535             char attrib;
1536
1537 #ifdef __BORLANDC__
1538             attrib = gs_findDataStruct.ff_attrib;
1539 #else
1540             attrib = gs_findDataStruct.attrib;
1541 #endif
1542
1543             if (attrib & _A_SUBDIR) {
1544                 if (!(gs_findFlags & wxDIR))
1545                     goto try_again;
1546             } else if (gs_findFlags && !(gs_findFlags & wxFILE))
1547                 goto try_again;
1548
1549
1550             result +=
1551 #ifdef __BORLANDC__
1552                       gs_findDataStruct.ff_name
1553 #else
1554                       gs_findDataStruct.name
1555 #endif
1556                       ;
1557         }
1558
1559     return result;
1560 #endif // Win32/16
1561 }
1562
1563 #elif defined(__WXPM__)
1564
1565 wxString wxFindFirstFile(const wxChar *spec, int flags)
1566 {
1567     wxString result;
1568
1569     /*
1570     // TODO: figure something out here for OS/2
1571     gs_strFileSpec = spec;
1572     gs_findFlags = flags;
1573
1574     // Find path only so we can concatenate found file onto path
1575     wxString path(wxPathOnly(gs_strFileSpec));
1576     if ( !path.IsEmpty() )
1577         result << path << wxT('\\');
1578
1579     int flag = _A_NORMAL;
1580     if (flags & wxDIR)
1581         flag = _A_SUBDIR;
1582
1583     if (_dos_findfirst(WXSTRINGCAST spec, flag, &gs_findDataStruct) == 0)
1584     {
1585         char attrib;
1586         attrib = gs_findDataStruct.attrib;
1587
1588         if (attrib & _A_SUBDIR) {
1589             if (!(gs_findFlags & wxDIR))
1590                 return wxFindNextFile();
1591         } else if (gs_findFlags && !(gs_findFlags & wxFILE))
1592             return wxFindNextFile();
1593
1594         result += gs_findDataStruct.name;
1595     }
1596     */
1597     return result;
1598 }
1599
1600 wxString wxFindNextFile()
1601 {
1602     wxString result;
1603     // TODO:
1604     return result;
1605 }
1606
1607 #endif // Unix/Windows/OS/2
1608
1609 // Get current working directory.
1610 // If buf is NULL, allocates space using new, else
1611 // copies into buf.
1612 wxChar *wxGetWorkingDirectory(wxChar *buf, int sz)
1613 {
1614   if (!buf)
1615     buf = new wxChar[sz+1];
1616 #if wxUSE_UNICODE
1617   char *cbuf = new char[sz+1];
1618 #ifdef _MSC_VER
1619   if (_getcwd(cbuf, sz) == NULL) {
1620 #elif defined( __WXMAC__)
1621     enum
1622     {
1623         SFSaveDisk = 0x214, CurDirStore = 0x398
1624     };
1625     FSSpec cwdSpec ;
1626
1627     FSMakeFSSpec( - *(short *) SFSaveDisk , *(long *) CurDirStore , NULL , &cwdSpec ) ;
1628     wxString res = wxMacFSSpec2UnixFilename( &cwdSpec ) ;
1629     strcpy( buf , res ) ;
1630     if (0) {
1631 #else
1632   if (getcwd(cbuf, sz) == NULL) {
1633 #endif
1634     delete [] cbuf;
1635 #else // wxUnicode
1636 #ifdef _MSC_VER
1637   if (_getcwd(buf, sz) == NULL) {
1638 #elif defined( __WXMAC__)
1639     enum
1640     {
1641         SFSaveDisk = 0x214, CurDirStore = 0x398
1642     };
1643     FSSpec cwdSpec ;
1644
1645     FSMakeFSSpec( - *(short *) SFSaveDisk , *(long *) CurDirStore , NULL , &cwdSpec ) ;
1646     wxString res = wxMacFSSpec2UnixFilename( &cwdSpec ) ;
1647     strcpy( buf , res ) ;
1648     if (0) {
1649 #elif(__VISAGECPP__)
1650     APIRET rc;
1651     rc = ::DosQueryCurrentDir( 0 // current drive
1652                               ,buf
1653                               ,(PULONG)&sz
1654                              );
1655     if (rc != 0) {
1656 #else
1657   if (getcwd(buf, sz) == NULL) {
1658 #endif
1659 #endif
1660     buf[0] = wxT('.');
1661     buf[1] = wxT('\0');
1662   }
1663 #if wxUSE_UNICODE
1664   else {
1665     wxConvFile.MB2WC(buf, cbuf, sz);
1666     delete [] cbuf;
1667   }
1668 #endif
1669   return buf;
1670 }
1671
1672 wxString wxGetCwd()
1673 {
1674     static const size_t maxPathLen = 1024;
1675
1676     wxString str;
1677     wxGetWorkingDirectory(str.GetWriteBuf(maxPathLen), maxPathLen);
1678     str.UngetWriteBuf();
1679
1680     return str;
1681 }
1682
1683 bool wxSetWorkingDirectory(const wxString& d)
1684 {
1685 #if defined( __UNIX__ ) || defined( __WXMAC__ )
1686   return (chdir(wxFNSTRINGCAST d.fn_str()) == 0);
1687 #elif defined(__WXPM__)
1688   return (::DosSetCurrentDir((PSZ)d.c_str()) == 0);
1689 #elif defined(__WINDOWS__)
1690
1691 #ifdef __WIN32__
1692   return (bool)(SetCurrentDirectory(d) != 0);
1693 #else
1694   // Must change drive, too.
1695   bool isDriveSpec = ((strlen(d) > 1) && (d[1] == ':'));
1696   if (isDriveSpec)
1697   {
1698     wxChar firstChar = d[0];
1699
1700     // To upper case
1701     if (firstChar > 90)
1702       firstChar = firstChar - 32;
1703
1704     // To a drive number
1705     unsigned int driveNo = firstChar - 64;
1706     if (driveNo > 0)
1707     {
1708        unsigned int noDrives;
1709        _dos_setdrive(driveNo, &noDrives);
1710     }
1711   }
1712   bool success = (chdir(WXSTRINGCAST d) == 0);
1713
1714   return success;
1715 #endif
1716
1717 #endif
1718 }
1719
1720 // Get the OS directory if appropriate (such as the Windows directory).
1721 // On non-Windows platform, probably just return the empty string.
1722 wxString wxGetOSDirectory()
1723 {
1724 #ifdef __WINDOWS__
1725     wxChar buf[256];
1726     GetWindowsDirectory(buf, 256);
1727     return wxString(buf);
1728 #else
1729     return wxEmptyString;
1730 #endif
1731 }
1732
1733 bool wxEndsWithPathSeparator(const wxChar *pszFileName)
1734 {
1735   size_t len = wxStrlen(pszFileName);
1736   if ( len == 0 )
1737     return FALSE;
1738   else
1739     return wxIsPathSeparator(pszFileName[len - 1]);
1740 }
1741
1742 // find a file in a list of directories, returns false if not found
1743 bool wxFindFileInPath(wxString *pStr, const wxChar *pszPath, const wxChar *pszFile)
1744 {
1745     // we assume that it's not empty
1746     wxCHECK_MSG( !wxIsEmpty(pszFile), FALSE,
1747                  _T("empty file name in wxFindFileInPath"));
1748
1749     // skip path separator in the beginning of the file name if present
1750     if ( wxIsPathSeparator(*pszFile) )
1751         pszFile++;
1752
1753     // copy the path (strtok will modify it)
1754     wxChar *szPath = new wxChar[wxStrlen(pszPath) + 1];
1755     wxStrcpy(szPath, pszPath);
1756
1757     wxString strFile;
1758     wxChar *pc, *save_ptr;
1759     for ( pc = wxStrtok(szPath, wxPATH_SEP, &save_ptr);
1760           pc != NULL;
1761           pc = wxStrtok((wxChar *) NULL, wxPATH_SEP, &save_ptr) )
1762     {
1763         // search for the file in this directory
1764         strFile = pc;
1765         if ( !wxEndsWithPathSeparator(pc) )
1766             strFile += wxFILE_SEP_PATH;
1767         strFile += pszFile;
1768
1769         if ( FileExists(strFile) ) {
1770             *pStr = strFile;
1771             break;
1772         }
1773     }
1774
1775     // suppress warning about unused variable save_ptr when wxStrtok() is a
1776     // macro which throws away its third argument
1777     save_ptr = pc;
1778
1779     delete [] szPath;
1780
1781     return pc != NULL;  // if true => we breaked from the loop
1782 }
1783
1784 void WXDLLEXPORT wxSplitPath(const wxChar *pszFileName,
1785                              wxString *pstrPath,
1786                              wxString *pstrName,
1787                              wxString *pstrExt)
1788 {
1789     // it can be empty, but it shouldn't be NULL
1790     wxCHECK_RET( pszFileName, wxT("NULL file name in wxSplitPath") );
1791
1792     wxFileName::SplitPath(pszFileName, pstrPath, pstrName, pstrExt);
1793 }
1794
1795 time_t WXDLLEXPORT wxFileModificationTime(const wxString& filename)
1796 {
1797     wxStructStat buf;
1798
1799     wxStat(filename.fn_str(), &buf);
1800     return buf.st_mtime;
1801 }
1802
1803
1804 //------------------------------------------------------------------------
1805 // wild character routines
1806 //------------------------------------------------------------------------
1807
1808 bool wxIsWild( const wxString& pattern )
1809 {
1810   wxString tmp = pattern;
1811   wxChar *pat = WXSTRINGCAST(tmp);
1812     while (*pat) {
1813         switch (*pat++) {
1814         case wxT('?'): case wxT('*'): case wxT('['): case wxT('{'):
1815             return TRUE;
1816         case wxT('\\'):
1817             if (!*pat++)
1818                 return FALSE;
1819         }
1820     }
1821     return FALSE;
1822 };
1823
1824 bool wxMatchWild( const wxString& pat, const wxString& text, bool dot_special )
1825
1826 #if defined(HAVE_FNMATCH_H)
1827 {
1828 // this probably won't work well for multibyte chars in Unicode mode?
1829    if(dot_special)
1830       return fnmatch(pat.fn_str(), text.fn_str(), FNM_PERIOD) == 0;
1831    else
1832       return fnmatch(pat.fn_str(), text.fn_str(), 0) == 0;
1833 }
1834 #else
1835
1836 // #pragma error Broken implementation of wxMatchWild() -- needs fixing!
1837
1838    /*
1839     * WARNING: this code is broken!
1840     */
1841 {
1842   wxString tmp1 = pat;
1843   wxChar *pattern = WXSTRINGCAST(tmp1);
1844   wxString tmp2 = text;
1845   wxChar *str = WXSTRINGCAST(tmp2);
1846     wxChar c;
1847     wxChar *cp;
1848     bool done = FALSE, ret_code, ok;
1849     // Below is for vi fans
1850     const wxChar OB = wxT('{'), CB = wxT('}');
1851
1852     // dot_special means '.' only matches '.'
1853     if (dot_special && *str == wxT('.') && *pattern != *str)
1854         return FALSE;
1855
1856     while ((*pattern != wxT('\0')) && (!done)
1857     && (((*str==wxT('\0'))&&((*pattern==OB)||(*pattern==wxT('*'))))||(*str!=wxT('\0')))) {
1858         switch (*pattern) {
1859         case wxT('\\'):
1860             pattern++;
1861             if (*pattern != wxT('\0'))
1862                 pattern++;
1863             break;
1864         case wxT('*'):
1865             pattern++;
1866             ret_code = FALSE;
1867             while ((*str!=wxT('\0'))
1868             && (!(ret_code=wxMatchWild(pattern, str++, FALSE))))
1869                 /*loop*/;
1870             if (ret_code) {
1871                 while (*str != wxT('\0'))
1872                     str++;
1873                 while (*pattern != wxT('\0'))
1874                     pattern++;
1875             }
1876             break;
1877         case wxT('['):
1878             pattern++;
1879           repeat:
1880             if ((*pattern == wxT('\0')) || (*pattern == wxT(']'))) {
1881                 done = TRUE;
1882                 break;
1883             }
1884             if (*pattern == wxT('\\')) {
1885                 pattern++;
1886                 if (*pattern == wxT('\0')) {
1887                     done = TRUE;
1888                     break;
1889                 }
1890             }
1891             if (*(pattern + 1) == wxT('-')) {
1892                 c = *pattern;
1893                 pattern += 2;
1894                 if (*pattern == wxT(']')) {
1895                     done = TRUE;
1896                     break;
1897                 }
1898                 if (*pattern == wxT('\\')) {
1899                     pattern++;
1900                     if (*pattern == wxT('\0')) {
1901                         done = TRUE;
1902                         break;
1903                     }
1904                 }
1905                 if ((*str < c) || (*str > *pattern)) {
1906                     pattern++;
1907                     goto repeat;
1908                 }
1909             } else if (*pattern != *str) {
1910                 pattern++;
1911                 goto repeat;
1912             }
1913             pattern++;
1914             while ((*pattern != wxT(']')) && (*pattern != wxT('\0'))) {
1915                 if ((*pattern == wxT('\\')) && (*(pattern + 1) != wxT('\0')))
1916                     pattern++;
1917                 pattern++;
1918             }
1919             if (*pattern != wxT('\0')) {
1920                 pattern++, str++;
1921             }
1922             break;
1923         case wxT('?'):
1924             pattern++;
1925             str++;
1926             break;
1927         case OB:
1928             pattern++;
1929             while ((*pattern != CB) && (*pattern != wxT('\0'))) {
1930                 cp = str;
1931                 ok = TRUE;
1932                 while (ok && (*cp != wxT('\0')) && (*pattern != wxT('\0'))
1933                 &&  (*pattern != wxT(',')) && (*pattern != CB)) {
1934                     if (*pattern == wxT('\\'))
1935                         pattern++;
1936                     ok = (*pattern++ == *cp++);
1937                 }
1938                 if (*pattern == wxT('\0')) {
1939                     ok = FALSE;
1940                     done = TRUE;
1941                     break;
1942                 } else if (ok) {
1943                     str = cp;
1944                     while ((*pattern != CB) && (*pattern != wxT('\0'))) {
1945                         if (*++pattern == wxT('\\')) {
1946                             if (*++pattern == CB)
1947                                 pattern++;
1948                         }
1949                     }
1950                 } else {
1951                     while (*pattern!=CB && *pattern!=wxT(',') && *pattern!=wxT('\0')) {
1952                         if (*++pattern == wxT('\\')) {
1953                             if (*++pattern == CB || *pattern == wxT(','))
1954                                 pattern++;
1955                         }
1956                     }
1957                 }
1958                 if (*pattern != wxT('\0'))
1959                     pattern++;
1960             }
1961             break;
1962         default:
1963             if (*str == *pattern) {
1964                 str++, pattern++;
1965             } else {
1966                 done = TRUE;
1967             }
1968         }
1969     }
1970     while (*pattern == wxT('*'))
1971         pattern++;
1972     return ((*str == wxT('\0')) && (*pattern == wxT('\0')));
1973 };
1974
1975 #endif
1976
1977 #ifdef __VISUALC__
1978     #pragma warning(default:4706)   // assignment within conditional expression
1979 #endif // VC++