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 #ifdef __WXMAC__
 116     extern wxChar gwxMacFileName[] ;
 117     extern wxChar gwxMacFileName2[] ;
 118     extern wxChar gwxMacFileName3[] ;
 119 #endif
 120
 121 #if !USE_SHARED_LIBRARIES
 122     IMPLEMENT_DYNAMIC_CLASS(wxPathList, wxStringList)
 123 #endif
 124
 125 // ----------------------------------------------------------------------------
 126 // private globals
 127 // ----------------------------------------------------------------------------
 128
 129 static wxChar wxFileFunctionsBuffer[4*_MAXPATHLEN];
 130
 131 // ============================================================================
 132 // implementation
 133 // ============================================================================
 134
 135 void wxPathList::Add (const wxString& path)
 136 {
 137     wxStringList::Add (WXSTRINGCAST path);
 138 }
 139
 140 // Add paths e.g. from the PATH environment variable
 141 void wxPathList::AddEnvList (const wxString& envVariable)
 142 {
 143   static const wxChar PATH_TOKS[] =
 144 #ifdef __WINDOWS__
 145         wxT(" ;"); // Don't seperate with colon in DOS (used for drive)
 146 #else
 147         wxT(" :;");
 148 #endif
 149
 150   wxChar *val = wxGetenv (WXSTRINGCAST envVariable);
 151   if (val && *val)
 152     {
 153       wxChar *s = copystring (val);
 154       wxChar *save_ptr, *token = wxStrtok (s, PATH_TOKS, &save_ptr);
 155
 156       if (token)
 157       {
 158           Add (copystring (token));
 159           while (token)
 160           {
 161               if ((token = wxStrtok ((wxChar *) NULL, PATH_TOKS, &save_ptr)) != NULL)
 162                   Add (wxString(token));
 163           }
 164       }
 165
 166       // suppress warning about unused variable save_ptr when wxStrtok() is a
 167       // macro which throws away its third argument
 168       save_ptr = token;
 169
 170       delete [] s;
 171     }
 172 }
 173
 174 // Given a full filename (with path), ensure that that file can
 175 // be accessed again USING FILENAME ONLY by adding the path
 176 // to the list if not already there.
 177 void wxPathList::EnsureFileAccessible (const wxString& path)
 178 {
 179     wxString path_only(wxPathOnly(path));
 180     if ( !path_only.IsEmpty() )
 181     {
 182         if ( !Member(path_only) )
 183             Add(path_only);
 184     }
 185 }
 186
 187 bool wxPathList::Member (const wxString& path)
 188 {
 189   for (wxNode * node = First (); node != NULL; node = node->Next ())
 190   {
 191       wxString path2((wxChar *) node->Data ());
 192       if (
 193 #if defined(__WINDOWS__) || defined(__VMS__) || defined (__WXMAC__)
 194       // Case INDEPENDENT
 195           path.CompareTo (path2, wxString::ignoreCase) == 0
 196 #else
 197       // Case sensitive File System
 198           path.CompareTo (path2) == 0
 199 #endif
 200         )
 201         return TRUE;
 202   }
 203   return FALSE;
 204 }
 205
 206 wxString wxPathList::FindValidPath (const wxString& file)
 207 {
 208   if (wxFileExists (wxExpandPath(wxFileFunctionsBuffer, file)))
 209     return wxString(wxFileFunctionsBuffer);
 210
 211   wxChar buf[_MAXPATHLEN];
 212   wxStrcpy(buf, wxFileFunctionsBuffer);
 213
 214   wxChar *filename = (wxChar*) NULL; /* shut up buggy egcs warning */
 215   filename = IsAbsolutePath (buf) ? wxFileNameFromPath (buf) : (wxChar *)buf;
 216
 217   for (wxNode * node = First (); node; node = node->Next ())
 218     {
 219       wxChar *path = (wxChar *) node->Data ();
 220       wxStrcpy (wxFileFunctionsBuffer, path);
 221       wxChar ch = wxFileFunctionsBuffer[wxStrlen(wxFileFunctionsBuffer)-1];
 222       if (ch != wxT('\\') && ch != wxT('/'))
 223         wxStrcat (wxFileFunctionsBuffer, wxT("/"));
 224       wxStrcat (wxFileFunctionsBuffer, filename);
 225 #ifdef __WINDOWS__
 226       Unix2DosFilename (wxFileFunctionsBuffer);
 227 #endif
 228       if (wxFileExists (wxFileFunctionsBuffer))
 229       {
 230         return wxString(wxFileFunctionsBuffer);        // Found!
 231       }
 232     }                                // for()
 233
 234   return wxString(wxT(""));                    // Not found
 235 }
 236
 237 wxString wxPathList::FindAbsoluteValidPath (const wxString& file)
 238 {
 239     wxString f = FindValidPath(file);
 240     if ( wxIsAbsolutePath(f) )
 241         return f;
 242
 243     wxString buf;
 244     wxGetWorkingDirectory(buf.GetWriteBuf(_MAXPATHLEN), _MAXPATHLEN - 1);
 245     buf.UngetWriteBuf();
 246     if ( !wxEndsWithPathSeparator(buf) )
 247     {
 248         buf += wxFILE_SEP_PATH;
 249     }
 250     buf += f;
 251
 252     return buf;
 253 }
 254
 255 bool
 256 wxFileExists (const wxString& filename)
 257 {
 258 #ifdef __GNUWIN32__ // (fix a B20 bug)
 259   if (GetFileAttributes(filename) == 0xFFFFFFFF)
 260     return FALSE;
 261   else
 262     return TRUE;
 263 #elif defined(__WXMAC__)
 264           struct stat stbuf;
 265         wxStrcpy( gwxMacFileName , filename ) ;
 266         wxUnix2MacFilename( gwxMacFileName ) ;
 267           if (gwxMacFileName && stat (WXSTRINGCAST gwxMacFileName, &stbuf) == 0)
 268             return TRUE;
 269     return FALSE ;
 270 #else
 271
 272 #ifdef __SALFORDC__
 273   struct _stat stbuf;
 274 #else
 275   struct stat stbuf;
 276 #endif
 277
 278   if ((filename != wxT("")) && stat (wxFNSTRINGCAST filename.fn_str(), &stbuf) == 0)
 279     return TRUE;
 280   return FALSE;
 281 #endif
 282 }
 283
 284 /* Vadim's alternative implementation
 285
 286 // does the file exist?
 287 bool wxFileExists(const char *pszFileName)
 288 {
 289   struct stat st;
 290   return !access(pszFileName, 0) &&
 291          !stat(pszFileName, &st) &&
 292          (st.st_mode & S_IFREG);
 293 }
 294 */
 295
 296 bool
 297 wxIsAbsolutePath (const wxString& filename)
 298 {
 299   if (filename != wxT(""))
 300     {
 301       if (filename[0] == wxT('/')
 302 #ifdef __VMS__
 303       || (filename[0] == wxT('[') && filename[1] != wxT('.'))
 304 #endif
 305 #ifdef __WINDOWS__
 306       /* MSDOS */
 307       || filename[0] == wxT('\\') || (wxIsalpha (filename[0]) && filename[1] == wxT(':'))
 308 #endif
 309         )
 310         return TRUE;
 311     }
 312   return FALSE;
 313 }
 314
 315 /*
 316  * Strip off any extension (dot something) from end of file,
 317  * IF one exists. Inserts zero into buffer.
 318  *
 319  */
 320
 321 void wxStripExtension(wxChar *buffer)
 322 {
 323   int len = wxStrlen(buffer);
 324   int i = len-1;
 325   while (i > 0)
 326   {
 327     if (buffer[i] == wxT('.'))
 328     {
 329       buffer[i] = 0;
 330       break;
 331     }
 332     i --;
 333   }
 334 }
 335
 336 void wxStripExtension(wxString& buffer)
 337 {
 338   size_t len = buffer.Length();
 339   size_t i = len-1;
 340   while (i > 0)
 341   {
 342     if (buffer.GetChar(i) == wxT('.'))
 343     {
 344       buffer = buffer.Left(i);
 345       break;
 346     }
 347     i --;
 348   }
 349 }
 350
 351 // Destructive removal of /./ and /../ stuff
 352 wxChar *wxRealPath (wxChar *path)
 353 {
 354 #ifdef __WXMSW__
 355   static const wxChar SEP = wxT('\\');
 356   Unix2DosFilename(path);
 357 #else
 358   static const wxChar SEP = wxT('/');
 359 #endif
 360   if (path[0] && path[1]) {
 361     /* MATTHEW: special case "/./x" */
 362     wxChar *p;
 363     if (path[2] == SEP && path[1] == wxT('.'))
 364       p = &path[0];
 365     else
 366       p = &path[2];
 367     for (; *p; p++)
 368       {
 369         if (*p == SEP)
 370           {
 371             if (p[1] == wxT('.') && p[2] == wxT('.') && (p[3] == SEP || p[3] == wxT('\0')))
 372               {
 373                 wxChar *q;
 374                 for (q = p - 1; q >= path && *q != SEP; q--);
 375                 if (q[0] == SEP && (q[1] != wxT('.') || q[2] != wxT('.') || q[3] != SEP)
 376                     && (q - 1 <= path || q[-1] != SEP))
 377                   {
 378                     wxStrcpy (q, p + 3);
 379                     if (path[0] == wxT('\0'))
 380                       {
 381                         path[0] = SEP;
 382                         path[1] = wxT('\0');
 383                       }
 384 #ifdef __WXMSW__
 385                     /* Check that path[2] is NULL! */
 386                     else if (path[1] == wxT(':') && !path[2])
 387                       {
 388                         path[2] = SEP;
 389                         path[3] = wxT('\0');
 390                       }
 391 #endif
 392                     p = q - 1;
 393                   }
 394               }
 395             else if (p[1] == wxT('.') && (p[2] == SEP || p[2] == wxT('\0')))
 396               wxStrcpy (p, p + 2);
 397           }
 398       }
 399   }
 400   return path;
 401 }
 402
 403 // Must be destroyed
 404 wxChar *wxCopyAbsolutePath(const wxString& filename)
 405 {
 406   if (filename == wxT(""))
 407     return (wxChar *) NULL;
 408
 409   if (! IsAbsolutePath(wxExpandPath(wxFileFunctionsBuffer, filename))) {
 410     wxChar  buf[_MAXPATHLEN];
 411     buf[0] = wxT('\0');
 412     wxGetWorkingDirectory(buf, WXSIZEOF(buf));
 413     wxChar ch = buf[wxStrlen(buf) - 1];
 414 #ifdef __WXMSW__
 415     if (ch != wxT('\\') && ch != wxT('/'))
 416         wxStrcat(buf, wxT("\\"));
 417 #else
 418     if (ch != wxT('/'))
 419         wxStrcat(buf, wxT("/"));
 420 #endif
 421     wxStrcat(buf, wxFileFunctionsBuffer);
 422     return copystring( wxRealPath(buf) );
 423   }
 424   return copystring( wxFileFunctionsBuffer );
 425 }
 426
 427 /*-
 428  Handles:
 429    ~/ => home dir
 430    ~user/ => user's home dir
 431    If the environment variable a = "foo" and b = "bar" then:
 432    Unix:
 433         $a        =>        foo
 434         $a$b        =>        foobar
 435         $a.c        =>        foo.c
 436         xxx$a        =>        xxxfoo
 437         ${a}!        =>        foo!
 438         $(b)!        =>        bar!
 439         \$a        =>        \$a
 440    MSDOS:
 441         $a        ==>        $a
 442         $(a)        ==>        foo
 443         $(a)$b        ==>        foo$b
 444         $(a)$(b)==>        foobar
 445         test.$$        ==>        test.$$
 446  */
 447
 448 /* input name in name, pathname output to buf. */
 449
 450 wxChar *wxExpandPath(wxChar *buf, const wxChar *name)
 451 {
 452     register wxChar *d, *s, *nm;
 453     wxChar          lnm[_MAXPATHLEN];
 454     int                                q;
 455
 456     // Some compilers don't like this line.
 457 //    const wxChar    trimchars[] = wxT("\n \t");
 458
 459     wxChar      trimchars[4];
 460     trimchars[0] = wxT('\n');
 461     trimchars[1] = wxT(' ');
 462     trimchars[2] = wxT('\t');
 463     trimchars[3] = 0;
 464
 465 #ifdef __WXMSW__
 466      const wxChar     SEP = wxT('\\');
 467 #else
 468      const wxChar     SEP = wxT('/');
 469 #endif
 470     buf[0] = wxT('\0');
 471     if (name == NULL || *name == wxT('\0'))
 472         return buf;
 473     nm = copystring(name); // Make a scratch copy
 474     wxChar *nm_tmp = nm;
 475
 476     /* Skip leading whitespace and cr */
 477     while (wxStrchr((wxChar *)trimchars, *nm) != NULL)
 478         nm++;
 479     /* And strip off trailing whitespace and cr */
 480     s = nm + (q = wxStrlen(nm)) - 1;
 481     while (q-- && wxStrchr((wxChar *)trimchars, *s) != NULL)
 482         *s = wxT('\0');
 483
 484     s = nm;
 485     d = lnm;
 486 #ifdef __WXMSW__
 487     q = FALSE;
 488 #else
 489     q = nm[0] == wxT('\\') && nm[1] == wxT('~');
 490 #endif
 491
 492     /* Expand inline environment variables */
 493 #ifdef __VISAGECPP__
 494     while (*d)
 495     {
 496       *d++ = *s;
 497       if(*s == wxT('\\'))
 498       {
 499         *(d - 1) = *++s;
 500         if (*d)
 501         {
 502           s++;
 503           continue;
 504         }
 505         else
 506            break;
 507       }
 508       else
 509 #else
 510     while ((*d++ = *s)) {
 511 #  ifndef __WXMSW__
 512         if (*s == wxT('\\')) {
 513             if ((*(d - 1) = *++s)) {
 514                 s++;
 515                 continue;
 516             } else
 517                 break;
 518         } else
 519 #  endif
 520 #endif
 521 #ifdef __WXMSW__
 522         if (*s++ == wxT('$') && (*s == wxT('{') || *s == wxT(')')))
 523 #else
 524         if (*s++ == wxT('$'))
 525 #endif
 526         {
 527             register wxChar  *start = d;
 528             register int     braces = (*s == wxT('{') || *s == wxT('('));
 529             register wxChar  *value;
 530 #ifdef __VISAGECPP__
 531     // VA gives assignment in logical expr warning
 532             while (*d)
 533                *d++ = *s;
 534 #else
 535             while ((*d++ = *s))
 536 #endif
 537                 if (braces ? (*s == wxT('}') || *s == wxT(')')) : !(wxIsalnum(*s) || *s == wxT('_')) )
 538                     break;
 539                 else
 540                     s++;
 541             *--d = 0;
 542             value = wxGetenv(braces ? start + 1 : start);
 543             if (value) {
 544 #ifdef __VISAGECPP__
 545     // VA gives assignment in logical expr warning
 546                 for ((d = start - 1); (*d); *d++ = *value++);
 547 #else
 548                 for ((d = start - 1); (*d++ = *value++););
 549 #endif
 550                 d--;
 551                 if (braces && *s)
 552                     s++;
 553             }
 554         }
 555     }
 556
 557     /* Expand ~ and ~user */
 558     nm = lnm;
 559     s = wxT("");
 560     if (nm[0] == wxT('~') && !q)
 561     {
 562         /* prefix ~ */
 563         if (nm[1] == SEP || nm[1] == 0)
 564         {        /* ~/filename */
 565             // FIXME: wxGetUserHome could return temporary storage in Unicode mode
 566             if ((s = WXSTRINGCAST wxGetUserHome(wxT(""))) != NULL) {
 567                 if (*++nm)
 568                     nm++;
 569             }
 570         } else
 571         {                /* ~user/filename */
 572             register wxChar  *nnm;
 573             register wxChar  *home;
 574             for (s = nm; *s && *s != SEP; s++);
 575             int was_sep; /* MATTHEW: Was there a separator, or NULL? */
 576             was_sep = (*s == SEP);
 577             nnm = *s ? s + 1 : s;
 578             *s = 0;
 579             // FIXME: wxGetUserHome could return temporary storage in Unicode mode
 580             if ((home = WXSTRINGCAST wxGetUserHome(wxString(nm + 1))) == NULL) {
 581                if (was_sep) /* replace only if it was there: */
 582                    *s = SEP;
 583                 s = wxT("");
 584             } else {
 585                 nm = nnm;
 586                 s = home;
 587             }
 588         }
 589     }
 590
 591     d = buf;
 592     if (s && *s) { /* MATTHEW: s could be NULL if user '~' didn't exist */
 593         /* Copy home dir */
 594         while (wxT('\0') != (*d++ = *s++))
 595           /* loop */;
 596         // Handle root home
 597         if (d - 1 > buf && *(d - 2) != SEP)
 598           *(d - 1) = SEP;
 599     }
 600     s = nm;
 601 #ifdef __VISAGECPP__
 602     // VA gives assignment in logical expr warning
 603     while (*d)
 604        *d++ = *s++;
 605 #else
 606     while ((*d++ = *s++));
 607 #endif
 608     delete[] nm_tmp; // clean up alloc
 609     /* Now clean up the buffer */
 610     return wxRealPath(buf);
 611 }
 612
 613
 614 /* Contract Paths to be build upon an environment variable
 615    component:
 616
 617    example: "/usr/openwin/lib", OPENWINHOME --> ${OPENWINHOME}/lib
 618
 619    The call wxExpandPath can convert these back!
 620  */
 621 wxChar *
 622 wxContractPath (const wxString& filename, const wxString& envname, const wxString& user)
 623 {
 624   static wxChar dest[_MAXPATHLEN];
 625
 626   if (filename == wxT(""))
 627     return (wxChar *) NULL;
 628
 629   wxStrcpy (dest, WXSTRINGCAST filename);
 630 #ifdef __WXMSW__
 631   Unix2DosFilename(dest);
 632 #endif
 633
 634   // Handle environment
 635   const wxChar *val = (const wxChar *) NULL;
 636   wxChar *tcp = (wxChar *) NULL;
 637   if (envname != WXSTRINGCAST NULL && (val = wxGetenv (WXSTRINGCAST envname)) != NULL &&
 638      (tcp = wxStrstr (dest, val)) != NULL)
 639     {
 640         wxStrcpy (wxFileFunctionsBuffer, tcp + wxStrlen (val));
 641         *tcp++ = wxT('$');
 642         *tcp++ = wxT('{');
 643         wxStrcpy (tcp, WXSTRINGCAST envname);
 644         wxStrcat (tcp, wxT("}"));
 645         wxStrcat (tcp, wxFileFunctionsBuffer);
 646     }
 647
 648   // Handle User's home (ignore root homes!)
 649   size_t len = 0;
 650   if ((val = wxGetUserHome (user)) != NULL &&
 651       (len = wxStrlen(val)) > 2 &&
 652       wxStrncmp(dest, val, len) == 0)
 653     {
 654       wxStrcpy(wxFileFunctionsBuffer, wxT("~"));
 655       if (user != wxT(""))
 656              wxStrcat(wxFileFunctionsBuffer, (const wxChar*) user);
 657 #ifdef __WXMSW__
 658 //      strcat(wxFileFunctionsBuffer, "\\");
 659 #else
 660 //      strcat(wxFileFunctionsBuffer, "/");
 661 #endif
 662       wxStrcat(wxFileFunctionsBuffer, dest + len);
 663       wxStrcpy (dest, wxFileFunctionsBuffer);
 664     }
 665
 666   return dest;
 667 }
 668
 669 // Return just the filename, not the path
 670 // (basename)
 671 wxChar *wxFileNameFromPath (wxChar *path)
 672 {
 673   if (path)
 674     {
 675       register wxChar *tcp;
 676
 677       tcp = path + wxStrlen (path);
 678       while (--tcp >= path)
 679         {
 680           if (*tcp == wxT('/') || *tcp == wxT('\\')
 681 #ifdef __VMS__
 682      || *tcp == wxT(':') || *tcp == wxT(']'))
 683 #else
 684      )
 685 #endif
 686             return tcp + 1;
 687         }                        /* while */
 688 #if defined(__WXMSW__) || defined(__WXPM__)
 689       if (wxIsalpha (*path) && *(path + 1) == wxT(':'))
 690         return path + 2;
 691 #endif
 692     }
 693   return path;
 694 }
 695
 696 wxString wxFileNameFromPath (const wxString& path1)
 697 {
 698   if (path1 != wxT(""))
 699   {
 700
 701       wxChar *path = WXSTRINGCAST path1 ;
 702       register wxChar *tcp;
 703
 704       tcp = path + wxStrlen (path);
 705       while (--tcp >= path)
 706           {
 707             if (*tcp == wxT('/') || *tcp == wxT('\\')
 708 #ifdef __VMS__
 709         || *tcp == wxT(':') || *tcp == wxT(']'))
 710 #else
 711         )
 712 #endif
 713                 return wxString(tcp + 1);
 714             }                        /* while */
 715 #if defined(__WXMSW__) || defined(__WXPM__)
 716       if (wxIsalpha (*path) && *(path + 1) == wxT(':'))
 717             return wxString(path + 2);
 718 #endif
 719     }
 720   // Yes, this should return the path, not an empty string, otherwise
 721   // we get "thing.txt" -> "".
 722   return path1;
 723 }
 724
 725 // Return just the directory, or NULL if no directory
 726 wxChar *
 727 wxPathOnly (wxChar *path)
 728 {
 729   if (path && *path)
 730     {
 731       static wxChar buf[_MAXPATHLEN];
 732
 733       // Local copy
 734       wxStrcpy (buf, path);
 735
 736       int l = wxStrlen(path);
 737       bool done = FALSE;
 738
 739       int i = l - 1;
 740
 741       // Search backward for a backward or forward slash
 742       while (!done && i > -1)
 743       {
 744         // ] is for VMS
 745         if (path[i] == wxT('/') || path[i] == wxT('\\') || path[i] == wxT(']'))
 746         {
 747           done = TRUE;
 748 #ifdef __VMS__
 749           buf[i+1] = 0;
 750 #else
 751           buf[i] = 0;
 752 #endif
 753
 754           return buf;
 755         }
 756         else i --;
 757       }
 758
 759 #if defined(__WXMSW__) || defined(__WXPM__)
 760       // Try Drive specifier
 761       if (wxIsalpha (buf[0]) && buf[1] == wxT(':'))
 762         {
 763           // A:junk --> A:. (since A:.\junk Not A:\junk)
 764           buf[2] = wxT('.');
 765           buf[3] = wxT('\0');
 766           return buf;
 767         }
 768 #endif
 769     }
 770
 771   return (wxChar *) NULL;
 772 }
 773
 774 // Return just the directory, or NULL if no directory
 775 wxString wxPathOnly (const wxString& path)
 776 {
 777   if (path != wxT(""))
 778     {
 779       wxChar buf[_MAXPATHLEN];
 780
 781       // Local copy
 782       wxStrcpy (buf, WXSTRINGCAST path);
 783
 784       int l = path.Length();
 785       bool done = FALSE;
 786
 787       int i = l - 1;
 788
 789       // Search backward for a backward or forward slash
 790       while (!done && i > -1)
 791       {
 792         // ] is for VMS
 793         if (path[i] == wxT('/') || path[i] == wxT('\\') || path[i] == wxT(']'))
 794         {
 795           done = TRUE;
 796 #ifdef __VMS__
 797           buf[i+1] = 0;
 798 #else
 799           buf[i] = 0;
 800 #endif
 801
 802           return wxString(buf);
 803         }
 804         else i --;
 805       }
 806
 807 #if defined(__WXMSW__) || defined(__WXPM__)
 808       // Try Drive specifier
 809       if (wxIsalpha (buf[0]) && buf[1] == wxT(':'))
 810         {
 811           // A:junk --> A:. (since A:.\junk Not A:\junk)
 812           buf[2] = wxT('.');
 813           buf[3] = wxT('\0');
 814           return wxString(buf);
 815         }
 816 #endif
 817     }
 818
 819   return wxString(wxT(""));
 820 }
 821
 822 // Utility for converting delimiters in DOS filenames to UNIX style
 823 // and back again - or we get nasty problems with delimiters.
 824 // Also, convert to lower case, since case is significant in UNIX.
 825
 826 #ifdef __WXMAC__
 827 void
 828 wxMac2UnixFilename (wxChar *s)
 829 {
 830         if (s)
 831         {
 832                 memmove( s+1 , s ,(strlen( s ) + 1)*sizeof(wxChar)) ;
 833                 if ( *s == wxT(':') )
 834                         *s = wxT('.') ;
 835                 else
 836                         *s = wxT('/') ;
 837
 838                 while (*s)
 839                 {
 840                         if (*s == wxT(':'))
 841                           *s = wxT('/');
 842                         else
 843                           *s = wxTolower(*s);        // Case INDEPENDENT
 844                         s++;
 845                 }
 846         }
 847 }
 848
 849 void
 850 wxUnix2MacFilename (wxChar *s)
 851 {
 852         if (s)
 853         {
 854                 if ( *s == wxT('.') )
 855                 {
 856                         // relative path , since it goes on with slash which is translated to a :
 857                         memmove( s , s+1 ,strlen( s )*sizeof(wxChar) ) ;
 858                 }
 859                 else if ( *s == wxT('/') )
 860                 {
 861                         // absolute path -> on mac just start with the drive name
 862                         memmove( s , s+1 ,strlen( s )*sizeof(wxChar) ) ;
 863                 }
 864                 else
 865                 {
 866                         wxASSERT_MSG( 1 , wxT("unknown path beginning") ) ;
 867                 }
 868                 while (*s)
 869                 {
 870                         if (*s == wxT('/') || *s == wxT('\\'))
 871                                   *s = wxT(':');
 872
 873                         s++ ;
 874                 }
 875         }
 876 }
 877 #endif
 878 void
 879 wxDos2UnixFilename (wxChar *s)
 880 {
 881   if (s)
 882     while (*s)
 883       {
 884         if (*s == wxT('\\'))
 885           *s = wxT('/');
 886 #if defined(__WXMSW__) || defined(__WXPM__)
 887         else
 888           *s = wxTolower(*s);        // Case INDEPENDENT
 889 #endif
 890         s++;
 891       }
 892 }
 893
 894 void
 895 #if defined(__WXMSW__) || defined(__WXPM__)
 896 wxUnix2DosFilename (wxChar *s)
 897 #else
 898 wxUnix2DosFilename (wxChar *WXUNUSED(s))
 899 #endif
 900 {
 901 // Yes, I really mean this to happen under DOS only! JACS
 902 #if defined(__WXMSW__) || defined(__WXPM__)
 903   if (s)
 904     while (*s)
 905       {
 906         if (*s == wxT('/'))
 907           *s = wxT('\\');
 908         s++;
 909       }
 910 #endif
 911 }
 912
 913 // Concatenate two files to form third
 914 bool
 915 wxConcatFiles (const wxString& file1, const wxString& file2, const wxString& file3)
 916 {
 917   wxChar *outfile = wxGetTempFileName("cat");
 918
 919   FILE *fp1 = (FILE *) NULL;
 920   FILE *fp2 = (FILE *) NULL;
 921   FILE *fp3 = (FILE *) NULL;
 922   // Open the inputs and outputs
 923 #ifdef __WXMAC__
 924         wxStrcpy( gwxMacFileName , file1 ) ;
 925         wxUnix2MacFilename( gwxMacFileName ) ;
 926         wxStrcpy( gwxMacFileName2 , file2) ;
 927         wxUnix2MacFilename( gwxMacFileName2 ) ;
 928         wxStrcpy( gwxMacFileName3 , outfile) ;
 929         wxUnix2MacFilename( gwxMacFileName3 ) ;
 930
 931   if ((fp1 = fopen (gwxMacFileName, "rb")) == NULL ||
 932       (fp2 = fopen (gwxMacFileName2, "rb")) == NULL ||
 933       (fp3 = fopen (gwxMacFileName3, "wb")) == NULL)
 934 #else
 935   if ((fp1 = fopen (wxFNSTRINGCAST file1.fn_str(), "rb")) == NULL ||
 936       (fp2 = fopen (wxFNSTRINGCAST file2.fn_str(), "rb")) == NULL ||
 937       (fp3 = fopen (wxFNCONV(outfile), "wb")) == NULL)
 938 #endif
 939     {
 940       if (fp1)
 941         fclose (fp1);
 942       if (fp2)
 943         fclose (fp2);
 944       if (fp3)
 945         fclose (fp3);
 946       return FALSE;
 947     }
 948
 949   int ch;
 950   while ((ch = getc (fp1)) != EOF)
 951     (void) putc (ch, fp3);
 952   fclose (fp1);
 953
 954   while ((ch = getc (fp2)) != EOF)
 955     (void) putc (ch, fp3);
 956   fclose (fp2);
 957
 958   fclose (fp3);
 959   bool result = wxRenameFile(outfile, file3);
 960   delete[] outfile;
 961   return result;
 962 }
 963
 964 // Copy files
 965 bool
 966 wxCopyFile (const wxString& file1, const wxString& file2)
 967 {
 968   FILE *fd1;
 969   FILE *fd2;
 970   int ch;
 971
 972 #ifdef __WXMAC__
 973         wxStrcpy( gwxMacFileName , file1 ) ;
 974         wxUnix2MacFilename( gwxMacFileName ) ;
 975         wxStrcpy( gwxMacFileName2 , file2) ;
 976         wxUnix2MacFilename( gwxMacFileName2 ) ;
 977
 978   if ((fd1 = fopen (gwxMacFileName, "rb")) == NULL)
 979     return FALSE;
 980   if ((fd2 = fopen (gwxMacFileName2, "wb")) == NULL)
 981 #else
 982   if ((fd1 = fopen (wxFNSTRINGCAST file1.fn_str(), "rb")) == NULL)
 983     return FALSE;
 984   if ((fd2 = fopen (wxFNSTRINGCAST file2.fn_str(), "wb")) == NULL)
 985 #endif
 986     {
 987       fclose (fd1);
 988       return FALSE;
 989     }
 990
 991   while ((ch = getc (fd1)) != EOF)
 992     (void) putc (ch, fd2);
 993
 994   fclose (fd1);
 995   fclose (fd2);
 996   return TRUE;
 997 }
 998
 999 bool
1000 wxRenameFile (const wxString& file1, const wxString& file2)
1001 {
1002 #ifdef __WXMAC__
1003         wxStrcpy( gwxMacFileName , file1 ) ;
1004         wxUnix2MacFilename( gwxMacFileName ) ;
1005         wxStrcpy( gwxMacFileName2 , file2) ;
1006         wxUnix2MacFilename( gwxMacFileName2 ) ;
1007
1008   if (0 == rename (gwxMacFileName, gwxMacFileName2))
1009     return TRUE;
1010 #else
1011   // Normal system call
1012   if (0 == rename (wxFNSTRINGCAST file1.fn_str(), wxFNSTRINGCAST file2.fn_str()))
1013     return TRUE;
1014 #endif
1015   // Try to copy
1016   if (wxCopyFile(file1, file2)) {
1017     wxRemoveFile(file1);
1018     return TRUE;
1019   }
1020   // Give up
1021   return FALSE;
1022 }
1023
1024 bool wxRemoveFile(const wxString& file)
1025 {
1026 #if defined(__VISUALC__) || defined(__BORLANDC__) || defined(__WATCOMC__)
1027   int flag = remove(wxFNSTRINGCAST file.fn_str());
1028 #elif defined( __WXMAC__ )
1029         wxStrcpy( gwxMacFileName , file ) ;
1030         wxUnix2MacFilename( gwxMacFileName ) ;
1031   int flag = unlink(gwxMacFileName);
1032 #else
1033   int flag = unlink(wxFNSTRINGCAST file.fn_str());
1034 #endif
1035   return (flag == 0) ;
1036 }
1037
1038 bool wxMkdir(const wxString& dir, int perm)
1039 {
1040 #if defined( __WXMAC__ )
1041     wxStrcpy( gwxMacFileName , dir ) ;
1042     wxUnix2MacFilename( gwxMacFileName ) ;
1043     const wxChar *dirname = gwxMacFileName;
1044 #else // !Mac
1045     const wxChar *dirname = dir.c_str();
1046 #endif // Mac/!Mac
1047
1048     // assume mkdir() has 2 args on non Windows-OS/2 platforms and on Windows too
1049     // for the GNU compiler
1050 #if (!(defined(__WXMSW__) || defined(__WXPM__))) || (defined(__GNUWIN32__) && !defined(__MINGW32__)) || defined(__WXWINE__)
1051     if ( mkdir(wxFNCONV(dirname), perm) != 0 )
1052 #else  // MSW and OS/2
1053     if ( mkdir(wxFNSTRINGCAST wxFNCONV(dirname)) != 0 )
1054 #endif // !MSW/MSW
1055     {
1056         wxLogSysError(_("Directory '%s' couldn't be created"), dirname);
1057
1058         return FALSE;
1059     }
1060
1061     return TRUE;
1062 }
1063
1064 bool wxRmdir(const wxString& dir, int WXUNUSED(flags))
1065 {
1066 #ifdef __VMS__
1067   return FALSE;
1068 #elif defined( __WXMAC__ )
1069         wxStrcpy( gwxMacFileName , dir ) ;
1070         wxUnix2MacFilename( gwxMacFileName ) ;
1071   return (rmdir(WXSTRINGCAST gwxMacFileName) == 0);
1072 #else
1073
1074 #ifdef __SALFORDC__
1075   return FALSE; // What to do?
1076 #else
1077   return (rmdir(wxFNSTRINGCAST dir.fn_str()) == 0);
1078 #endif
1079
1080 #endif
1081 }
1082
1083 #if 0
1084 bool wxDirExists(const wxString& dir)
1085 {
1086 #ifdef __VMS__
1087   return FALSE;
1088 #elif !defined(__WXMSW__)
1089   struct stat sbuf;
1090   return (stat(dir.fn_str(), &sbuf) != -1) && S_ISDIR(sbuf.st_mode) ? TRUE : FALSE;
1091 #else
1092
1093   /* MATTHEW: [6] Always use same code for Win32, call FindClose */
1094 #if defined(__WIN32__)
1095   WIN32_FIND_DATA fileInfo;
1096 #else
1097 #ifdef __BORLANDC__
1098   struct ffblk fileInfo;
1099 #else
1100   struct find_t fileInfo;
1101 #endif
1102 #endif
1103
1104 #if defined(__WIN32__)
1105         HANDLE h = FindFirstFile((LPTSTR) WXSTRINGCAST dir,(LPWIN32_FIND_DATA)&fileInfo);
1106
1107         if (h==INVALID_HANDLE_VALUE)
1108          return FALSE;
1109         else {
1110          FindClose(h);
1111          return ((fileInfo.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) == FILE_ATTRIBUTE_DIRECTORY);
1112         }
1113 #else
1114   // In Borland findfirst has a different argument
1115   // ordering from _dos_findfirst. But _dos_findfirst
1116   // _should_ be ok in both MS and Borland... why not?
1117 #ifdef __BORLANDC__
1118   return ((findfirst(WXSTRINGCAST dir, &fileInfo, _A_SUBDIR) == 0  && (fileInfo.ff_attrib & _A_SUBDIR) != 0));
1119 #else
1120   return (((_dos_findfirst(WXSTRINGCAST dir, _A_SUBDIR, &fileInfo) == 0) && (fileInfo.attrib & _A_SUBDIR)) != 0);
1121 #endif
1122 #endif
1123
1124 #endif
1125 }
1126
1127 #endif
1128
1129 // does the path exists? (may have or not '/' or '\\' at the end)
1130 bool wxPathExists(const wxChar *pszPathName)
1131 {
1132   /* Windows API returns -1 from stat for "c:\dir\" if "c:\dir" exists
1133    * OTOH, we should change "d:" to "d:\" and leave "\" as is. */
1134   wxString strPath(pszPathName);
1135   if ( wxEndsWithPathSeparator(pszPathName) && pszPathName[1] != wxT('\0') )
1136     strPath.Last() = wxT('\0');
1137
1138 #ifdef __SALFORDC__
1139   struct _stat st;
1140 #else
1141   struct stat st;
1142 #endif
1143
1144   return stat(wxFNSTRINGCAST strPath.fn_str(), &st) == 0 && (st.st_mode & S_IFDIR);
1145 }
1146
1147 // Get a temporary filename, opening and closing the file.
1148 wxChar *wxGetTempFileName(const wxString& prefix, wxChar *buf)
1149 {
1150 #ifdef __WINDOWS__
1151
1152 #ifndef        __WIN32__
1153   wxChar tmp[144];
1154   ::GetTempFileName(0, WXSTRINGCAST prefix, 0, tmp);
1155 #else
1156   wxChar tmp[MAX_PATH];
1157   wxChar tmpPath[MAX_PATH];
1158   ::GetTempPath(MAX_PATH, tmpPath);
1159   ::GetTempFileName(tmpPath, WXSTRINGCAST prefix, 0, tmp);
1160 #endif
1161   if (buf) wxStrcpy(buf, tmp);
1162   else buf = copystring(tmp);
1163   return buf;
1164
1165 #else
1166   static short last_temp = 0;        // cache last to speed things a bit
1167   // At most 1000 temp files to a process! We use a ring count.
1168   wxChar tmp[100]; // FIXME static buffer
1169
1170   for (short suffix = last_temp + 1; suffix != last_temp; ++suffix %= 1000)
1171     {
1172       wxSprintf (tmp, wxT("/tmp/%s%d.%03x"), WXSTRINGCAST prefix, (int) getpid (), (int) suffix);
1173       if (!wxFileExists( tmp ))
1174         {
1175           // Touch the file to create it (reserve name)
1176           FILE *fd = fopen (wxFNCONV(tmp), "w");
1177           if (fd)
1178             fclose (fd);
1179           last_temp = suffix;
1180           if (buf)
1181             wxStrcpy( buf, tmp);
1182           else
1183             buf = copystring( tmp );
1184           return buf;
1185         }
1186     }
1187   wxLogError( _("wxWindows: error finding temporary file name.\n") );
1188   if (buf) buf[0] = 0;
1189   return (wxChar *) NULL;
1190 #endif
1191 }
1192
1193 // Get first file name matching given wild card.
1194
1195 #ifdef __UNIX__
1196
1197 // Get first file name matching given wild card.
1198 // Flags are reserved for future use.
1199
1200 #ifndef __VMS__
1201     static DIR *gs_dirStream = (DIR *) NULL;
1202     static wxString gs_strFileSpec;
1203     static int gs_findFlags = 0;
1204 #endif
1205
1206 wxString wxFindFirstFile(const wxChar *spec, int flags)
1207 {
1208     wxString result;
1209
1210 #ifndef __VMS__
1211     if (gs_dirStream)
1212         closedir(gs_dirStream); // edz 941103: better housekeping
1213
1214     gs_findFlags = flags;
1215
1216     gs_strFileSpec = spec;
1217
1218     // Find path only so we can concatenate
1219     // found file onto path
1220     wxString path(wxPathOnly(gs_strFileSpec));
1221
1222     // special case: path is really "/"
1223     if ( !path && gs_strFileSpec[0u] == wxT('/') )
1224         path = wxT('/');
1225     // path is empty => Local directory
1226     if ( !path )
1227         path = wxT('.');
1228
1229     gs_dirStream = opendir(path.fn_str());
1230     if ( !gs_dirStream )
1231     {
1232         wxLogSysError(_("Can not enumerate files in directory '%s'"),
1233                       path.c_str());
1234     }
1235     else
1236     {
1237         result = wxFindNextFile();
1238     }
1239 #endif // !VMS
1240
1241     return result;
1242 }
1243
1244 wxString wxFindNextFile()
1245 {
1246     wxString result;
1247
1248 #ifndef __VMS__
1249     wxCHECK_MSG( gs_dirStream, result, wxT("must call wxFindFirstFile first") );
1250
1251     // Find path only so we can concatenate
1252     // found file onto path
1253     wxString path(wxPathOnly(gs_strFileSpec));
1254     wxString name(wxFileNameFromPath(gs_strFileSpec));
1255
1256     /* MATTHEW: special case: path is really "/" */
1257     if ( !path && gs_strFileSpec[0u] == wxT('/'))
1258         path = wxT('/');
1259
1260     // Do the reading
1261     struct dirent *nextDir;
1262     for ( nextDir = readdir(gs_dirStream);
1263           nextDir != NULL;
1264           nextDir = readdir(gs_dirStream) )
1265     {
1266         if (wxMatchWild(name, nextDir->d_name))
1267         {
1268             result.Empty();
1269             if ( !path.IsEmpty() )
1270             {
1271                 result = path;
1272                 if ( path != wxT('/') )
1273                     result += wxT('/');
1274             }
1275
1276             result += nextDir->d_name;
1277
1278             // Only return "." and ".." when they match
1279             bool isdir;
1280             if ( (strcmp(nextDir->d_name, ".") == 0) ||
1281                  (strcmp(nextDir->d_name, "..") == 0))
1282             {
1283                 if ( (gs_findFlags & wxDIR) != 0 )
1284                     isdir = TRUE;
1285                 else
1286                     continue;
1287             }
1288             else
1289                 isdir = wxDirExists(result);
1290
1291             // and only return directories when flags & wxDIR
1292             if ( !gs_findFlags ||
1293                  ((gs_findFlags & wxDIR) && isdir) ||
1294                  ((gs_findFlags & wxFILE) && !isdir) )
1295             {
1296                 return result;
1297             }
1298         }
1299     }
1300
1301     result.Empty(); // not found
1302
1303     closedir(gs_dirStream);
1304     gs_dirStream = (DIR *) NULL;
1305 #endif // !VMS
1306
1307     return result;
1308 }
1309
1310 #elif defined(__WXMSW__)
1311
1312 #ifdef __WIN32__
1313     static HANDLE gs_hFileStruct = INVALID_HANDLE_VALUE;
1314     static WIN32_FIND_DATA gs_findDataStruct;
1315 #else // Win16
1316     #ifdef __BORLANDC__
1317         static struct ffblk gs_findDataStruct;
1318     #else
1319         static struct _find_t gs_findDataStruct;
1320     #endif // Borland
1321 #endif // Win32/16
1322
1323 static wxString gs_strFileSpec;
1324 static int gs_findFlags = 0;
1325
1326 wxString wxFindFirstFile(const wxChar *spec, int flags)
1327 {
1328     wxString result;
1329
1330     gs_strFileSpec = spec;
1331     gs_findFlags = flags; /* MATTHEW: [5] Remember flags */
1332
1333     // Find path only so we can concatenate found file onto path
1334     wxString path(wxPathOnly(gs_strFileSpec));
1335     if ( !path.IsEmpty() )
1336         result << path << wxT('\\');
1337
1338 #ifdef __WIN32__
1339     if ( gs_hFileStruct != INVALID_HANDLE_VALUE )
1340         FindClose(gs_hFileStruct);
1341
1342     gs_hFileStruct = ::FindFirstFile(WXSTRINGCAST spec, &gs_findDataStruct);
1343
1344     if ( gs_hFileStruct == INVALID_HANDLE_VALUE )
1345     {
1346         result.Empty();
1347
1348         return result;
1349     }
1350
1351     bool isdir = !!(gs_findDataStruct.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY);
1352
1353     if (isdir && !(flags & wxDIR))
1354         return wxFindNextFile();
1355     else if (!isdir && flags && !(flags & wxFILE))
1356         return wxFindNextFile();
1357
1358     result += gs_findDataStruct.cFileName;
1359
1360     return result;
1361 #else
1362     int flag = _A_NORMAL;
1363     if (flags & wxDIR) /* MATTHEW: [5] Use & */
1364         flag = _A_SUBDIR;
1365
1366 #ifdef __BORLANDC__
1367     if (findfirst(WXSTRINGCAST spec, &gs_findDataStruct, flag) == 0)
1368 #else
1369         if (_dos_findfirst(WXSTRINGCAST spec, flag, &gs_findDataStruct) == 0)
1370 #endif
1371         {
1372             /* MATTHEW: [5] Check directory flag */
1373             char attrib;
1374
1375 #ifdef __BORLANDC__
1376             attrib = gs_findDataStruct.ff_attrib;
1377 #else
1378             attrib = gs_findDataStruct.attrib;
1379 #endif
1380
1381             if (attrib & _A_SUBDIR) {
1382                 if (!(gs_findFlags & wxDIR))
1383                     return wxFindNextFile();
1384             } else if (gs_findFlags && !(gs_findFlags & wxFILE))
1385                 return wxFindNextFile();
1386
1387             result +=
1388 #ifdef __BORLANDC__
1389                     gs_findDataStruct.ff_name
1390 #else
1391                     gs_findDataStruct.name
1392 #endif
1393                     ;
1394         }
1395 #endif // __WIN32__
1396
1397     return result;
1398 }
1399
1400 wxString wxFindNextFile()
1401 {
1402     wxString result;
1403
1404     // Find path only so we can concatenate found file onto path
1405     wxString path(wxPathOnly(gs_strFileSpec));
1406
1407 try_again:
1408
1409 #ifdef __WIN32__
1410     if (gs_hFileStruct == INVALID_HANDLE_VALUE)
1411         return result;
1412
1413     bool success = (FindNextFile(gs_hFileStruct, &gs_findDataStruct) != 0);
1414     if (!success)
1415     {
1416         FindClose(gs_hFileStruct);
1417         gs_hFileStruct = INVALID_HANDLE_VALUE;
1418     }
1419     else
1420     {
1421         bool isdir = !!(gs_findDataStruct.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY);
1422
1423         if (isdir && !(gs_findFlags & wxDIR))
1424             goto try_again;
1425         else if (!isdir && gs_findFlags && !(gs_findFlags & wxFILE))
1426             goto try_again;
1427
1428         if ( !path.IsEmpty() )
1429             result << path << wxT('\\');
1430         result << gs_findDataStruct.cFileName;
1431     }
1432
1433     return result;
1434 #else // Win16
1435
1436 #ifdef __BORLANDC__
1437     if (findnext(&gs_findDataStruct) == 0)
1438 #else
1439         if (_dos_findnext(&gs_findDataStruct) == 0)
1440 #endif
1441         {
1442             /* MATTHEW: [5] Check directory flag */
1443             char attrib;
1444
1445 #ifdef __BORLANDC__
1446             attrib = gs_findDataStruct.ff_attrib;
1447 #else
1448             attrib = gs_findDataStruct.attrib;
1449 #endif
1450
1451             if (attrib & _A_SUBDIR) {
1452                 if (!(gs_findFlags & wxDIR))
1453                     goto try_again;
1454             } else if (gs_findFlags && !(gs_findFlags & wxFILE))
1455                 goto try_again;
1456
1457
1458             result +=
1459 #ifdef __BORLANDC__
1460                       gs_findDataStruct.ff_name
1461 #else
1462                       gs_findDataStruct.name
1463 #endif
1464                       ;
1465         }
1466 #endif // Win32/16
1467
1468     return result;
1469 }
1470
1471 #endif // Unix/Windows
1472
1473 // Get current working directory.
1474 // If buf is NULL, allocates space using new, else
1475 // copies into buf.
1476 wxChar *wxGetWorkingDirectory(wxChar *buf, int sz)
1477 {
1478   if (!buf)
1479     buf = new wxChar[sz+1];
1480 #if wxUSE_UNICODE
1481   char *cbuf = new char[sz+1];
1482 #ifdef _MSC_VER
1483   if (_getcwd(cbuf, sz) == NULL) {
1484 #else
1485   if (getcwd(cbuf, sz) == NULL) {
1486 #endif
1487     delete [] cbuf;
1488 #else
1489 #ifdef _MSC_VER
1490   if (_getcwd(buf, sz) == NULL) {
1491 #else
1492   if (getcwd(buf, sz) == NULL) {
1493 #endif
1494 #endif
1495     buf[0] = wxT('.');
1496     buf[1] = wxT('\0');
1497   }
1498 #if wxUSE_UNICODE
1499   else {
1500     wxConvFile.MB2WC(buf, cbuf, sz);
1501     delete [] cbuf;
1502   }
1503 #endif
1504   return buf;
1505 }
1506
1507 wxString wxGetCwd()
1508 {
1509     static const size_t maxPathLen = 1024;
1510
1511     wxString str;
1512     wxGetWorkingDirectory(str.GetWriteBuf(maxPathLen), maxPathLen);
1513     str.UngetWriteBuf();
1514
1515     return str;
1516 }
1517
1518 bool wxSetWorkingDirectory(const wxString& d)
1519 {
1520 #if defined( __UNIX__ ) || defined( __WXMAC__ ) || defined(__WXPM__)
1521   return (chdir(wxFNSTRINGCAST d.fn_str()) == 0);
1522 #elif defined(__WINDOWS__)
1523
1524 #ifdef __WIN32__
1525   return (bool)(SetCurrentDirectory(d) != 0);
1526 #else
1527   // Must change drive, too.
1528   bool isDriveSpec = ((strlen(d) > 1) && (d[1] == ':'));
1529   if (isDriveSpec)
1530   {
1531     wxChar firstChar = d[0];
1532
1533     // To upper case
1534     if (firstChar > 90)
1535       firstChar = firstChar - 32;
1536
1537     // To a drive number
1538     unsigned int driveNo = firstChar - 64;
1539     if (driveNo > 0)
1540     {
1541        unsigned int noDrives;
1542        _dos_setdrive(driveNo, &noDrives);
1543     }
1544   }
1545   bool success = (chdir(WXSTRINGCAST d) == 0);
1546
1547   return success;
1548 #endif
1549
1550 #endif
1551 }
1552
1553 // Get the OS directory if appropriate (such as the Windows directory).
1554 // On non-Windows platform, probably just return the empty string.
1555 wxString wxGetOSDirectory()
1556 {
1557 #ifdef __WINDOWS__
1558     wxChar buf[256];
1559     GetWindowsDirectory(buf, 256);
1560     return wxString(buf);
1561 #else
1562     return wxEmptyString;
1563 #endif
1564 }
1565
1566 bool wxEndsWithPathSeparator(const wxChar *pszFileName)
1567 {
1568   size_t len = wxStrlen(pszFileName);
1569   if ( len == 0 )
1570     return FALSE;
1571   else
1572     return wxIsPathSeparator(pszFileName[len - 1]);
1573 }
1574
1575 // find a file in a list of directories, returns false if not found
1576 bool wxFindFileInPath(wxString *pStr, const wxChar *pszPath, const wxChar *pszFile)
1577 {
1578     // we assume that it's not empty
1579     wxCHECK_MSG( !wxIsEmpty(pszFile), FALSE,
1580             _("empty file name in wxFindFileInPath"));
1581
1582     // skip path separator in the beginning of the file name if present
1583     if ( wxIsPathSeparator(*pszFile) )
1584         pszFile++;
1585
1586     // copy the path (strtok will modify it)
1587     wxChar *szPath = new wxChar[wxStrlen(pszPath) + 1];
1588     wxStrcpy(szPath, pszPath);
1589
1590     wxString strFile;
1591     wxChar *pc, *save_ptr;
1592     for ( pc = wxStrtok(szPath, wxPATH_SEP, &save_ptr);
1593           pc != NULL;
1594           pc = wxStrtok((wxChar *) NULL, wxPATH_SEP, &save_ptr) )
1595     {
1596         // search for the file in this directory
1597         strFile = pc;
1598         if ( !wxEndsWithPathSeparator(pc) )
1599             strFile += wxFILE_SEP_PATH;
1600         strFile += pszFile;
1601
1602         if ( FileExists(strFile) ) {
1603             *pStr = strFile;
1604             break;
1605         }
1606     }
1607
1608     // suppress warning about unused variable save_ptr when wxStrtok() is a
1609     // macro which throws away its third argument
1610     save_ptr = pc;
1611
1612     delete [] szPath;
1613
1614     return pc != NULL;  // if true => we breaked from the loop
1615 }
1616
1617 void WXDLLEXPORT wxSplitPath(const wxChar *pszFileName,
1618                              wxString *pstrPath,
1619                              wxString *pstrName,
1620                              wxString *pstrExt)
1621 {
1622     // it can be empty, but it shouldn't be NULL
1623     wxCHECK_RET( pszFileName, wxT("NULL file name in wxSplitPath") );
1624
1625     const wxChar *pDot = wxStrrchr(pszFileName, wxFILE_SEP_EXT);
1626
1627 #ifdef __WXMSW__
1628     // under Windows we understand both separators
1629     const wxChar *pSepUnix = wxStrrchr(pszFileName, wxFILE_SEP_PATH_UNIX);
1630     const wxChar *pSepDos = wxStrrchr(pszFileName, wxFILE_SEP_PATH_DOS);
1631     const wxChar *pLastSeparator = pSepUnix > pSepDos ? pSepUnix : pSepDos;
1632 #else // assume Unix
1633     const wxChar *pLastSeparator = wxStrrchr(pszFileName, wxFILE_SEP_PATH_UNIX);
1634
1635     if ( pDot == pszFileName )
1636     {
1637         // under Unix files like .profile are treated in a special way
1638         pDot = NULL;
1639     }
1640 #endif // MSW/Unix
1641
1642     if ( pDot < pLastSeparator )
1643     {
1644         // the dot is part of the path, not the start of the extension
1645         pDot = NULL;
1646     }
1647
1648     if ( pstrPath )
1649     {
1650         if ( pLastSeparator )
1651             *pstrPath = wxString(pszFileName, pLastSeparator - pszFileName);
1652         else
1653             pstrPath->Empty();
1654     }
1655
1656     if ( pstrName )
1657     {
1658         const wxChar *start = pLastSeparator ? pLastSeparator + 1 : pszFileName;
1659         const wxChar *end = pDot ? pDot : pszFileName + wxStrlen(pszFileName);
1660
1661         *pstrName = wxString(start, end - start);
1662     }
1663
1664     if ( pstrExt )
1665     {
1666         if ( pDot )
1667             *pstrExt = wxString(pDot + 1);
1668         else
1669             pstrExt->Empty();
1670     }
1671 }
1672
1673 //------------------------------------------------------------------------
1674 // wild character routines
1675 //------------------------------------------------------------------------
1676
1677 bool wxIsWild( const wxString& pattern )
1678 {
1679   wxString tmp = pattern;
1680   wxChar *pat = WXSTRINGCAST(tmp);
1681     while (*pat) {
1682         switch (*pat++) {
1683         case wxT('?'): case wxT('*'): case wxT('['): case wxT('{'):
1684             return TRUE;
1685         case wxT('\\'):
1686             if (!*pat++)
1687                 return FALSE;
1688         }
1689     }
1690     return FALSE;
1691 };
1692
1693 bool wxMatchWild( const wxString& pat, const wxString& text, bool dot_special )
1694
1695 #if defined(HAVE_FNMATCH_H)
1696 {
1697 // this probably won't work well for multibyte chars in Unicode mode?
1698    if(dot_special)
1699       return fnmatch(pat.fn_str(), text.fn_str(), FNM_PERIOD) == 0;
1700    else
1701       return fnmatch(pat.fn_str(), text.fn_str(), 0) == 0;
1702 }
1703 #else
1704
1705 // #pragma error Broken implementation of wxMatchWild() -- needs fixing!
1706
1707    /*
1708     * WARNING: this code is broken!
1709     */
1710 {
1711   wxString tmp1 = pat;
1712   wxChar *pattern = WXSTRINGCAST(tmp1);
1713   wxString tmp2 = text;
1714   wxChar *str = WXSTRINGCAST(tmp2);
1715     wxChar c;
1716     wxChar *cp;
1717     bool done = FALSE, ret_code, ok;
1718     // Below is for vi fans
1719     const wxChar OB = wxT('{'), CB = wxT('}');
1720
1721     // dot_special means '.' only matches '.'
1722     if (dot_special && *str == wxT('.') && *pattern != *str)
1723         return FALSE;
1724
1725     while ((*pattern != wxT('\0')) && (!done)
1726     && (((*str==wxT('\0'))&&((*pattern==OB)||(*pattern==wxT('*'))))||(*str!=wxT('\0')))) {
1727         switch (*pattern) {
1728         case wxT('\\'):
1729             pattern++;
1730             if (*pattern != wxT('\0'))
1731                 pattern++;
1732             break;
1733         case wxT('*'):
1734             pattern++;
1735             ret_code = FALSE;
1736             while ((*str!=wxT('\0'))
1737             && (!(ret_code=wxMatchWild(pattern, str++, FALSE))))
1738                 /*loop*/;
1739             if (ret_code) {
1740                 while (*str != wxT('\0'))
1741                     str++;
1742                 while (*pattern != wxT('\0'))
1743                     pattern++;
1744             }
1745             break;
1746         case wxT('['):
1747             pattern++;
1748           repeat:
1749             if ((*pattern == wxT('\0')) || (*pattern == wxT(']'))) {
1750                 done = TRUE;
1751                 break;
1752             }
1753             if (*pattern == wxT('\\')) {
1754                 pattern++;
1755                 if (*pattern == wxT('\0')) {
1756                     done = TRUE;
1757                     break;
1758                 }
1759             }
1760             if (*(pattern + 1) == wxT('-')) {
1761                 c = *pattern;
1762                 pattern += 2;
1763                 if (*pattern == wxT(']')) {
1764                     done = TRUE;
1765                     break;
1766                 }
1767                 if (*pattern == wxT('\\')) {
1768                     pattern++;
1769                     if (*pattern == wxT('\0')) {
1770                         done = TRUE;
1771                         break;
1772                     }
1773                 }
1774                 if ((*str < c) || (*str > *pattern)) {
1775                     pattern++;
1776                     goto repeat;
1777                 }
1778             } else if (*pattern != *str) {
1779                 pattern++;
1780                 goto repeat;
1781             }
1782             pattern++;
1783             while ((*pattern != wxT(']')) && (*pattern != wxT('\0'))) {
1784                 if ((*pattern == wxT('\\')) && (*(pattern + 1) != wxT('\0')))
1785                     pattern++;
1786                 pattern++;
1787             }
1788             if (*pattern != wxT('\0')) {
1789                 pattern++, str++;
1790             }
1791             break;
1792         case wxT('?'):
1793             pattern++;
1794             str++;
1795             break;
1796         case OB:
1797             pattern++;
1798             while ((*pattern != CB) && (*pattern != wxT('\0'))) {
1799                 cp = str;
1800                 ok = TRUE;
1801                 while (ok && (*cp != wxT('\0')) && (*pattern != wxT('\0'))
1802                 &&  (*pattern != wxT(',')) && (*pattern != CB)) {
1803                     if (*pattern == wxT('\\'))
1804                         pattern++;
1805                     ok = (*pattern++ == *cp++);
1806                 }
1807                 if (*pattern == wxT('\0')) {
1808                     ok = FALSE;
1809                     done = TRUE;
1810                     break;
1811                 } else if (ok) {
1812                     str = cp;
1813                     while ((*pattern != CB) && (*pattern != wxT('\0'))) {
1814                         if (*++pattern == wxT('\\')) {
1815                             if (*++pattern == CB)
1816                                 pattern++;
1817                         }
1818                     }
1819                 } else {
1820                     while (*pattern!=CB && *pattern!=wxT(',') && *pattern!=wxT('\0')) {
1821                         if (*++pattern == wxT('\\')) {
1822                             if (*++pattern == CB || *pattern == wxT(','))
1823                                 pattern++;
1824                         }
1825                     }
1826                 }
1827                 if (*pattern != wxT('\0'))
1828                     pattern++;
1829             }
1830             break;
1831         default:
1832             if (*str == *pattern) {
1833                 str++, pattern++;
1834             } else {
1835                 done = TRUE;
1836             }
1837         }
1838     }
1839     while (*pattern == wxT('*'))
1840         pattern++;
1841     return ((*str == wxT('\0')) && (*pattern == wxT('\0')));
1842 };
1843
1844 #endif
1845
1846 #ifdef __VISUALC__
1847     #pragma warning(default:4706)   // assignment within conditional expression
1848 #endif // VC++