src/common/filefn.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        filefn.cpp
   3 // Purpose:     File- and directory-related functions
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     29/01/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) 1998 Julian Smart
   9 // Licence:     wxWindows license
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // ============================================================================
  13 // declarations
  14 // ============================================================================
  15
  16 // ----------------------------------------------------------------------------
  17 // headers
  18 // ----------------------------------------------------------------------------
  19
  20 #ifdef __GNUG__
  21     #pragma implementation "filefn.h"
  22 #endif
  23
  24 // For compilers that support precompilation, includes "wx.h".
  25 #include "wx/wxprec.h"
  26 #include "wx/defs.h"
  27
  28 #ifdef __BORLANDC__
  29     #pragma hdrstop
  30 #endif
  31
  32 #include "wx/utils.h"
  33 #include "wx/intl.h"
  34
  35 // there are just too many of those...
  36 #ifdef __VISUALC__
  37     #pragma warning(disable:4706)   // assignment within conditional expression
  38 #endif // VC++
  39
  40 #include <ctype.h>
  41 #include <stdio.h>
  42 #include <stdlib.h>
  43 #include <string.h>
  44 #if !defined(__WATCOMC__)
  45     #if !(defined(_MSC_VER) && (_MSC_VER > 800))
  46         #include <errno.h>
  47     #endif
  48 #endif
  49
  50 #include <time.h>
  51
  52 #ifndef __MWERKS__
  53     #include <sys/types.h>
  54     #include <sys/stat.h>
  55 #else
  56     #include <stat.h>
  57     #include <unistd.h>
  58 #endif
  59
  60 #ifdef __UNIX__
  61     #include <unistd.h>
  62     #include <dirent.h>
  63 #endif
  64
  65 #ifdef __WXPM__
  66     #include <process.h>
  67     #include "wx/os2/private.h"
  68 #endif
  69 #ifdef __WINDOWS__
  70 #if !defined( __GNUWIN32__ ) && !defined( __MWERKS__ ) && !defined(__SALFORDC__)
  71     #include <direct.h>
  72     #include <dos.h>
  73 #endif // __WINDOWS__
  74 #endif // native Win compiler
  75
  76 #ifdef __GNUWIN32__
  77     #ifndef __TWIN32__
  78         #include <sys/unistd.h>
  79     #endif
  80 #endif
  81
  82 #ifdef __BORLANDC__ // Please someone tell me which version of Borland needs
  83                     // this (3.1 I believe) and how to test for it.
  84                     // If this works for Borland 4.0 as well, then no worries.
  85     #include <dir.h>
  86 #endif
  87
  88 #ifdef __SALFORDC__
  89     #include <dir.h>
  90     #include <unix.h>
  91 #endif
  92
  93 #include "wx/setup.h"
  94 #include "wx/log.h"
  95
  96 // No, Cygwin doesn't appear to have fnmatch.h after all.
  97 #if defined(HAVE_FNMATCH_H)
  98     #include "fnmatch.h"
  99 #endif
 100
 101 #ifdef __WINDOWS__
 102     #include "windows.h"
 103 #endif
 104
 105 // ----------------------------------------------------------------------------
 106 // constants
 107 // ----------------------------------------------------------------------------
 108
 109 #define _MAXPATHLEN 500
 110
 111 extern wxChar *wxBuffer;
 112
 113 #ifdef __WXMAC__
 114
 115 #include "morefile.h"
 116 #include "moreextr.h"
 117 #include "fullpath.h"
 118 #include "fspcompa.h"
 119 #endif
 120
 121     IMPLEMENT_DYNAMIC_CLASS(wxPathList, wxStringList)
 122
 123 // ----------------------------------------------------------------------------
 124 // private globals
 125 // ----------------------------------------------------------------------------
 126
 127 static wxChar wxFileFunctionsBuffer[4*_MAXPATHLEN];
 128
 129 #if defined(__VISAGECPP__) && __IBMCPP__ >= 400
 130 //
 131 // VisualAge C++ V4.0 cannot have any external linkage const decs
 132 // in headers included by more than one primary source
 133 //
 134 const off_t wxInvalidOffset = (off_t)-1;
 135 #endif
 136
 137 // ============================================================================
 138 // implementation
 139 // ============================================================================
 140
 141 void wxPathList::Add (const wxString& path)
 142 {
 143     wxStringList::Add (WXSTRINGCAST path);
 144 }
 145
 146 // Add paths e.g. from the PATH environment variable
 147 void wxPathList::AddEnvList (const wxString& envVariable)
 148 {
 149   static const wxChar PATH_TOKS[] =
 150 #ifdef __WINDOWS__
 151         wxT(" ;"); // Don't seperate with colon in DOS (used for drive)
 152 #else
 153         wxT(" :;");
 154 #endif
 155
 156   wxChar *val = wxGetenv (WXSTRINGCAST envVariable);
 157   if (val && *val)
 158     {
 159       wxChar *s = copystring (val);
 160       wxChar *save_ptr, *token = wxStrtok (s, PATH_TOKS, &save_ptr);
 161
 162       if (token)
 163       {
 164           Add (copystring (token));
 165           while (token)
 166           {
 167               if ((token = wxStrtok ((wxChar *) NULL, PATH_TOKS, &save_ptr)) != NULL)
 168                   Add (wxString(token));
 169           }
 170       }
 171
 172       // suppress warning about unused variable save_ptr when wxStrtok() is a
 173       // macro which throws away its third argument
 174       save_ptr = token;
 175
 176       delete [] s;
 177     }
 178 }
 179
 180 // Given a full filename (with path), ensure that that file can
 181 // be accessed again USING FILENAME ONLY by adding the path
 182 // to the list if not already there.
 183 void wxPathList::EnsureFileAccessible (const wxString& path)
 184 {
 185     wxString path_only(wxPathOnly(path));
 186     if ( !path_only.IsEmpty() )
 187     {
 188         if ( !Member(path_only) )
 189             Add(path_only);
 190     }
 191 }
 192
 193 bool wxPathList::Member (const wxString& path)
 194 {
 195   for (wxNode * node = First (); node != NULL; node = node->Next ())
 196   {
 197       wxString path2((wxChar *) node->Data ());
 198       if (
 199 #if defined(__WINDOWS__) || defined(__VMS__) || defined (__WXMAC__)
 200       // Case INDEPENDENT
 201           path.CompareTo (path2, wxString::ignoreCase) == 0
 202 #else
 203       // Case sensitive File System
 204           path.CompareTo (path2) == 0
 205 #endif
 206         )
 207         return TRUE;
 208   }
 209   return FALSE;
 210 }
 211
 212 wxString wxPathList::FindValidPath (const wxString& file)
 213 {
 214   if (wxFileExists (wxExpandPath(wxFileFunctionsBuffer, file)))
 215     return wxString(wxFileFunctionsBuffer);
 216
 217   wxChar buf[_MAXPATHLEN];
 218   wxStrcpy(buf, wxFileFunctionsBuffer);
 219
 220   wxChar *filename = (wxChar*) NULL; /* shut up buggy egcs warning */
 221   filename = IsAbsolutePath (buf) ? wxFileNameFromPath (buf) : (wxChar *)buf;
 222
 223   for (wxNode * node = First (); node; node = node->Next ())
 224     {
 225       wxChar *path = (wxChar *) node->Data ();
 226       wxStrcpy (wxFileFunctionsBuffer, path);
 227       wxChar ch = wxFileFunctionsBuffer[wxStrlen(wxFileFunctionsBuffer)-1];
 228       if (ch != wxT('\\') && ch != wxT('/'))
 229         wxStrcat (wxFileFunctionsBuffer, wxT("/"));
 230       wxStrcat (wxFileFunctionsBuffer, filename);
 231 #ifdef __WINDOWS__
 232       Unix2DosFilename (wxFileFunctionsBuffer);
 233 #endif
 234       if (wxFileExists (wxFileFunctionsBuffer))
 235       {
 236         return wxString(wxFileFunctionsBuffer);        // Found!
 237       }
 238     }                                // for()
 239
 240   return wxString(wxT(""));                    // Not found
 241 }
 242
 243 wxString wxPathList::FindAbsoluteValidPath (const wxString& file)
 244 {
 245     wxString f = FindValidPath(file);
 246     if ( wxIsAbsolutePath(f) )
 247         return f;
 248
 249     wxString buf;
 250     wxGetWorkingDirectory(buf.GetWriteBuf(_MAXPATHLEN), _MAXPATHLEN - 1);
 251     buf.UngetWriteBuf();
 252     if ( !wxEndsWithPathSeparator(buf) )
 253     {
 254         buf += wxFILE_SEP_PATH;
 255     }
 256     buf += f;
 257
 258     return buf;
 259 }
 260
 261 bool
 262 wxFileExists (const wxString& filename)
 263 {
 264 #ifdef __GNUWIN32__ // (fix a B20 bug)
 265   if (GetFileAttributes(filename) == 0xFFFFFFFF)
 266     return FALSE;
 267   else
 268     return TRUE;
 269 #elif defined(__WXMAC__)
 270           struct stat stbuf;
 271         if (filename && stat (wxUnix2MacFilename(filename), &stbuf) == 0 )
 272           return TRUE;
 273     return FALSE ;
 274 #else
 275
 276   wxStructStat stbuf;
 277   if ((filename != wxT("")) && wxStat (wxFNSTRINGCAST filename.fn_str(), &stbuf) == 0)
 278     return TRUE;
 279
 280   return FALSE;
 281 #endif
 282 }
 283
 284 /* Vadim's alternative implementation
 285
 286 // does the file exist?
 287 bool wxFileExists(const char *pszFileName)
 288 {
 289   struct stat st;
 290   return !access(pszFileName, 0) &&
 291          !stat(pszFileName, &st) &&
 292          (st.st_mode & S_IFREG);
 293 }
 294 */
 295
 296 bool
 297 wxIsAbsolutePath (const wxString& filename)
 298 {
 299   if (filename != wxT(""))
 300     {
 301       if (filename[0] == wxT('/')
 302 #ifdef __VMS__
 303       || (filename[0] == wxT('[') && filename[1] != wxT('.'))
 304 #endif
 305 #ifdef __WINDOWS__
 306       /* MSDOS */
 307       || filename[0] == wxT('\\') || (wxIsalpha (filename[0]) && filename[1] == wxT(':'))
 308 #endif
 309         )
 310         return TRUE;
 311     }
 312   return FALSE;
 313 }
 314
 315 /*
 316  * Strip off any extension (dot something) from end of file,
 317  * IF one exists. Inserts zero into buffer.
 318  *
 319  */
 320
 321 void wxStripExtension(wxChar *buffer)
 322 {
 323   int len = wxStrlen(buffer);
 324   int i = len-1;
 325   while (i > 0)
 326   {
 327     if (buffer[i] == wxT('.'))
 328     {
 329       buffer[i] = 0;
 330       break;
 331     }
 332     i --;
 333   }
 334 }
 335
 336 void wxStripExtension(wxString& buffer)
 337 {
 338   size_t len = buffer.Length();
 339   size_t i = len-1;
 340   while (i > 0)
 341   {
 342     if (buffer.GetChar(i) == wxT('.'))
 343     {
 344       buffer = buffer.Left(i);
 345       break;
 346     }
 347     i --;
 348   }
 349 }
 350
 351 // Destructive removal of /./ and /../ stuff
 352 wxChar *wxRealPath (wxChar *path)
 353 {
 354 #ifdef __WXMSW__
 355   static const wxChar SEP = wxT('\\');
 356   Unix2DosFilename(path);
 357 #else
 358   static const wxChar SEP = wxT('/');
 359 #endif
 360   if (path[0] && path[1]) {
 361     /* MATTHEW: special case "/./x" */
 362     wxChar *p;
 363     if (path[2] == SEP && path[1] == wxT('.'))
 364       p = &path[0];
 365     else
 366       p = &path[2];
 367     for (; *p; p++)
 368       {
 369         if (*p == SEP)
 370           {
 371             if (p[1] == wxT('.') && p[2] == wxT('.') && (p[3] == SEP || p[3] == wxT('\0')))
 372               {
 373                 wxChar *q;
 374                 for (q = p - 1; q >= path && *q != SEP; q--);
 375                 if (q[0] == SEP && (q[1] != wxT('.') || q[2] != wxT('.') || q[3] != SEP)
 376                     && (q - 1 <= path || q[-1] != SEP))
 377                   {
 378                     wxStrcpy (q, p + 3);
 379                     if (path[0] == wxT('\0'))
 380                       {
 381                         path[0] = SEP;
 382                         path[1] = wxT('\0');
 383                       }
 384 #ifdef __WXMSW__
 385                     /* Check that path[2] is NULL! */
 386                     else if (path[1] == wxT(':') && !path[2])
 387                       {
 388                         path[2] = SEP;
 389                         path[3] = wxT('\0');
 390                       }
 391 #endif
 392                     p = q - 1;
 393                   }
 394               }
 395             else if (p[1] == wxT('.') && (p[2] == SEP || p[2] == wxT('\0')))
 396               wxStrcpy (p, p + 2);
 397           }
 398       }
 399   }
 400   return path;
 401 }
 402
 403 // Must be destroyed
 404 wxChar *wxCopyAbsolutePath(const wxString& filename)
 405 {
 406   if (filename == wxT(""))
 407     return (wxChar *) NULL;
 408
 409   if (! IsAbsolutePath(wxExpandPath(wxFileFunctionsBuffer, filename))) {
 410     wxChar  buf[_MAXPATHLEN];
 411     buf[0] = wxT('\0');
 412     wxGetWorkingDirectory(buf, WXSIZEOF(buf));
 413     wxChar ch = buf[wxStrlen(buf) - 1];
 414 #ifdef __WXMSW__
 415     if (ch != wxT('\\') && ch != wxT('/'))
 416         wxStrcat(buf, wxT("\\"));
 417 #else
 418     if (ch != wxT('/'))
 419         wxStrcat(buf, wxT("/"));
 420 #endif
 421     wxStrcat(buf, wxFileFunctionsBuffer);
 422     return copystring( wxRealPath(buf) );
 423   }
 424   return copystring( wxFileFunctionsBuffer );
 425 }
 426
 427 /*-
 428  Handles:
 429    ~/ => home dir
 430    ~user/ => user's home dir
 431    If the environment variable a = "foo" and b = "bar" then:
 432    Unix:
 433         $a        =>        foo
 434         $a$b        =>        foobar
 435         $a.c        =>        foo.c
 436         xxx$a        =>        xxxfoo
 437         ${a}!        =>        foo!
 438         $(b)!        =>        bar!
 439         \$a        =>        \$a
 440    MSDOS:
 441         $a        ==>        $a
 442         $(a)        ==>        foo
 443         $(a)$b        ==>        foo$b
 444         $(a)$(b)==>        foobar
 445         test.$$        ==>        test.$$
 446  */
 447
 448 /* input name in name, pathname output to buf. */
 449
 450 wxChar *wxExpandPath(wxChar *buf, const wxChar *name)
 451 {
 452     register wxChar *d, *s, *nm;
 453     wxChar          lnm[_MAXPATHLEN];
 454     int                                q;
 455
 456     // Some compilers don't like this line.
 457 //    const wxChar    trimchars[] = wxT("\n \t");
 458
 459     wxChar      trimchars[4];
 460     trimchars[0] = wxT('\n');
 461     trimchars[1] = wxT(' ');
 462     trimchars[2] = wxT('\t');
 463     trimchars[3] = 0;
 464
 465 #ifdef __WXMSW__
 466      const wxChar     SEP = wxT('\\');
 467 #else
 468      const wxChar     SEP = wxT('/');
 469 #endif
 470     buf[0] = wxT('\0');
 471     if (name == NULL || *name == wxT('\0'))
 472         return buf;
 473     nm = copystring(name); // Make a scratch copy
 474     wxChar *nm_tmp = nm;
 475
 476     /* Skip leading whitespace and cr */
 477     while (wxStrchr((wxChar *)trimchars, *nm) != NULL)
 478         nm++;
 479     /* And strip off trailing whitespace and cr */
 480     s = nm + (q = wxStrlen(nm)) - 1;
 481     while (q-- && wxStrchr((wxChar *)trimchars, *s) != NULL)
 482         *s = wxT('\0');
 483
 484     s = nm;
 485     d = lnm;
 486 #ifdef __WXMSW__
 487     q = FALSE;
 488 #else
 489     q = nm[0] == wxT('\\') && nm[1] == wxT('~');
 490 #endif
 491
 492     /* Expand inline environment variables */
 493 #ifdef __VISAGECPP__
 494     while (*d)
 495     {
 496       *d++ = *s;
 497       if(*s == wxT('\\'))
 498       {
 499         *(d - 1) = *++s;
 500         if (*d)
 501         {
 502           s++;
 503           continue;
 504         }
 505         else
 506            break;
 507       }
 508       else
 509 #else
 510     while ((*d++ = *s)) {
 511 #  ifndef __WXMSW__
 512         if (*s == wxT('\\')) {
 513             if ((*(d - 1) = *++s)) {
 514                 s++;
 515                 continue;
 516             } else
 517                 break;
 518         } else
 519 #  endif
 520 #endif
 521 #ifdef __WXMSW__
 522         if (*s++ == wxT('$') && (*s == wxT('{') || *s == wxT(')')))
 523 #else
 524         if (*s++ == wxT('$'))
 525 #endif
 526         {
 527             register wxChar  *start = d;
 528             register int     braces = (*s == wxT('{') || *s == wxT('('));
 529             register wxChar  *value;
 530 #ifdef __VISAGECPP__
 531     // VA gives assignment in logical expr warning
 532             while (*d)
 533                *d++ = *s;
 534 #else
 535             while ((*d++ = *s))
 536 #endif
 537                 if (braces ? (*s == wxT('}') || *s == wxT(')')) : !(wxIsalnum(*s) || *s == wxT('_')) )
 538                     break;
 539                 else
 540                     s++;
 541             *--d = 0;
 542             value = wxGetenv(braces ? start + 1 : start);
 543             if (value) {
 544 #ifdef __VISAGECPP__
 545     // VA gives assignment in logical expr warning
 546                 for ((d = start - 1); (*d); *d++ = *value++);
 547 #else
 548                 for ((d = start - 1); (*d++ = *value++););
 549 #endif
 550                 d--;
 551                 if (braces && *s)
 552                     s++;
 553             }
 554         }
 555     }
 556
 557     /* Expand ~ and ~user */
 558     nm = lnm;
 559     s = wxT("");
 560     if (nm[0] == wxT('~') && !q)
 561     {
 562         /* prefix ~ */
 563         if (nm[1] == SEP || nm[1] == 0)
 564         {        /* ~/filename */
 565         // FIXME: wxGetUserHome could return temporary storage in Unicode mode
 566             if ((s = WXSTRINGCAST wxGetUserHome(wxT(""))) != NULL) {
 567                 if (*++nm)
 568                     nm++;
 569             }
 570         } else
 571         {                /* ~user/filename */
 572             register wxChar  *nnm;
 573             register wxChar  *home;
 574             for (s = nm; *s && *s != SEP; s++);
 575             int was_sep; /* MATTHEW: Was there a separator, or NULL? */
 576             was_sep = (*s == SEP);
 577             nnm = *s ? s + 1 : s;
 578             *s = 0;
 579         // FIXME: wxGetUserHome could return temporary storage in Unicode mode
 580             if ((home = WXSTRINGCAST wxGetUserHome(wxString(nm + 1))) == NULL) {
 581                if (was_sep) /* replace only if it was there: */
 582                    *s = SEP;
 583                 s = wxT("");
 584             } else {
 585                 nm = nnm;
 586                 s = home;
 587             }
 588         }
 589     }
 590
 591     d = buf;
 592     if (s && *s) { /* MATTHEW: s could be NULL if user '~' didn't exist */
 593         /* Copy home dir */
 594         while (wxT('\0') != (*d++ = *s++))
 595           /* loop */;
 596         // Handle root home
 597         if (d - 1 > buf && *(d - 2) != SEP)
 598           *(d - 1) = SEP;
 599     }
 600     s = nm;
 601 #ifdef __VISAGECPP__
 602     // VA gives assignment in logical expr warning
 603     while (*d)
 604        *d++ = *s++;
 605 #else
 606     while ((*d++ = *s++));
 607 #endif
 608     delete[] nm_tmp; // clean up alloc
 609     /* Now clean up the buffer */
 610     return wxRealPath(buf);
 611 }
 612
 613 /* Contract Paths to be build upon an environment variable
 614    component:
 615
 616    example: "/usr/openwin/lib", OPENWINHOME --> ${OPENWINHOME}/lib
 617
 618    The call wxExpandPath can convert these back!
 619  */
 620 wxChar *
 621 wxContractPath (const wxString& filename, const wxString& envname, const wxString& user)
 622 {
 623   static wxChar dest[_MAXPATHLEN];
 624
 625   if (filename == wxT(""))
 626     return (wxChar *) NULL;
 627
 628   wxStrcpy (dest, WXSTRINGCAST filename);
 629 #ifdef __WXMSW__
 630   Unix2DosFilename(dest);
 631 #endif
 632
 633   // Handle environment
 634   const wxChar *val = (const wxChar *) NULL;
 635   wxChar *tcp = (wxChar *) NULL;
 636   if (envname != WXSTRINGCAST NULL && (val = wxGetenv (WXSTRINGCAST envname)) != NULL &&
 637      (tcp = wxStrstr (dest, val)) != NULL)
 638     {
 639         wxStrcpy (wxFileFunctionsBuffer, tcp + wxStrlen (val));
 640         *tcp++ = wxT('$');
 641         *tcp++ = wxT('{');
 642         wxStrcpy (tcp, WXSTRINGCAST envname);
 643         wxStrcat (tcp, wxT("}"));
 644         wxStrcat (tcp, wxFileFunctionsBuffer);
 645     }
 646
 647   // Handle User's home (ignore root homes!)
 648   size_t len = 0;
 649   if ((val = wxGetUserHome (user)) != NULL &&
 650       (len = wxStrlen(val)) > 2 &&
 651       wxStrncmp(dest, val, len) == 0)
 652     {
 653       wxStrcpy(wxFileFunctionsBuffer, wxT("~"));
 654       if (user != wxT(""))
 655              wxStrcat(wxFileFunctionsBuffer, (const wxChar*) user);
 656 #ifdef __WXMSW__
 657 //      strcat(wxFileFunctionsBuffer, "\\");
 658 #else
 659 //      strcat(wxFileFunctionsBuffer, "/");
 660 #endif
 661       wxStrcat(wxFileFunctionsBuffer, dest + len);
 662       wxStrcpy (dest, wxFileFunctionsBuffer);
 663     }
 664
 665   return dest;
 666 }
 667
 668 // Return just the filename, not the path
 669 // (basename)
 670 wxChar *wxFileNameFromPath (wxChar *path)
 671 {
 672   if (path)
 673     {
 674       register wxChar *tcp;
 675
 676       tcp = path + wxStrlen (path);
 677       while (--tcp >= path)
 678         {
 679           if (*tcp == wxT('/') || *tcp == wxT('\\')
 680 #ifdef __VMS__
 681      || *tcp == wxT(':') || *tcp == wxT(']'))
 682 #else
 683      )
 684 #endif
 685             return tcp + 1;
 686         }                        /* while */
 687 #if defined(__WXMSW__) || defined(__WXPM__)
 688       if (wxIsalpha (*path) && *(path + 1) == wxT(':'))
 689         return path + 2;
 690 #endif
 691     }
 692   return path;
 693 }
 694
 695 wxString wxFileNameFromPath (const wxString& path1)
 696 {
 697   if (path1 != wxT(""))
 698   {
 699
 700       wxChar *path = WXSTRINGCAST path1 ;
 701       register wxChar *tcp;
 702
 703       tcp = path + wxStrlen (path);
 704       while (--tcp >= path)
 705           {
 706             if (*tcp == wxT('/') || *tcp == wxT('\\')
 707 #ifdef __VMS__
 708         || *tcp == wxT(':') || *tcp == wxT(']'))
 709 #else
 710         )
 711 #endif
 712                 return wxString(tcp + 1);
 713             }                        /* while */
 714 #if defined(__WXMSW__) || defined(__WXPM__)
 715       if (wxIsalpha (*path) && *(path + 1) == wxT(':'))
 716             return wxString(path + 2);
 717 #endif
 718     }
 719   // Yes, this should return the path, not an empty string, otherwise
 720   // we get "thing.txt" -> "".
 721   return path1;
 722 }
 723
 724 // Return just the directory, or NULL if no directory
 725 wxChar *
 726 wxPathOnly (wxChar *path)
 727 {
 728   if (path && *path)
 729     {
 730       static wxChar buf[_MAXPATHLEN];
 731
 732       // Local copy
 733       wxStrcpy (buf, path);
 734
 735       int l = wxStrlen(path);
 736       bool done = FALSE;
 737
 738       int i = l - 1;
 739
 740       // Search backward for a backward or forward slash
 741       while (!done && i > -1)
 742       {
 743         // ] is for VMS
 744         if (path[i] == wxT('/') || path[i] == wxT('\\') || path[i] == wxT(']'))
 745         {
 746           done = TRUE;
 747 #ifdef __VMS__
 748           buf[i+1] = 0;
 749 #else
 750           buf[i] = 0;
 751 #endif
 752
 753           return buf;
 754         }
 755         else i --;
 756       }
 757
 758 #if defined(__WXMSW__) || defined(__WXPM__)
 759       // Try Drive specifier
 760       if (wxIsalpha (buf[0]) && buf[1] == wxT(':'))
 761         {
 762           // A:junk --> A:. (since A:.\junk Not A:\junk)
 763           buf[2] = wxT('.');
 764           buf[3] = wxT('\0');
 765           return buf;
 766         }
 767 #endif
 768     }
 769
 770   return (wxChar *) NULL;
 771 }
 772
 773 // Return just the directory, or NULL if no directory
 774 wxString wxPathOnly (const wxString& path)
 775 {
 776   if (path != wxT(""))
 777     {
 778       wxChar buf[_MAXPATHLEN];
 779
 780       // Local copy
 781       wxStrcpy (buf, WXSTRINGCAST path);
 782
 783       int l = path.Length();
 784       bool done = FALSE;
 785
 786       int i = l - 1;
 787
 788       // Search backward for a backward or forward slash
 789       while (!done && i > -1)
 790       {
 791         // ] is for VMS
 792         if (path[i] == wxT('/') || path[i] == wxT('\\') || path[i] == wxT(']'))
 793         {
 794           done = TRUE;
 795 #ifdef __VMS__
 796           buf[i+1] = 0;
 797 #else
 798           buf[i] = 0;
 799 #endif
 800
 801           return wxString(buf);
 802         }
 803         else i --;
 804       }
 805
 806 #if defined(__WXMSW__) || defined(__WXPM__)
 807       // Try Drive specifier
 808       if (wxIsalpha (buf[0]) && buf[1] == wxT(':'))
 809         {
 810           // A:junk --> A:. (since A:.\junk Not A:\junk)
 811           buf[2] = wxT('.');
 812           buf[3] = wxT('\0');
 813           return wxString(buf);
 814         }
 815 #endif
 816     }
 817
 818   return wxString(wxT(""));
 819 }
 820
 821 // Utility for converting delimiters in DOS filenames to UNIX style
 822 // and back again - or we get nasty problems with delimiters.
 823 // Also, convert to lower case, since case is significant in UNIX.
 824
 825 #ifdef __WXMAC__
 826
 827 static char sMacFileNameConversion[ 1000 ] ;
 828
 829 wxString wxMac2UnixFilename (const char *str)
 830 {
 831     char *s = sMacFileNameConversion ;
 832     strcpy( s , str ) ;
 833   if (s)
 834   {
 835     memmove( s+1 , s ,strlen( s ) + 1) ;
 836     if ( *s == ':' )
 837             *s = '.' ;
 838     else
 839             *s = '/' ;
 840
 841     while (*s)
 842     {
 843             if (*s == ':')
 844               *s = '/';
 845             else
 846               *s = wxTolower (*s);        // Case INDEPENDENT
 847             s++;
 848     }
 849   }
 850   return wxString (sMacFileNameConversion) ;
 851 }
 852
 853 wxString wxUnix2MacFilename (const char *str)
 854 {
 855     char *s = sMacFileNameConversion ;
 856     strcpy( s , str ) ;
 857   if (s)
 858   {
 859     if ( *s == '.' )
 860     {
 861       // relative path , since it goes on with slash which is translated to a :
 862       memmove( s , s+1 ,strlen( s ) ) ;
 863     }
 864     else if ( *s == '/' )
 865     {
 866       // absolute path -> on mac just start with the drive name
 867       memmove( s , s+1 ,strlen( s ) ) ;
 868     }
 869     else
 870     {
 871       wxASSERT_MSG( 1 , "unkown path beginning" ) ;
 872     }
 873     while (*s)
 874     {
 875       if (*s == '/' || *s == '\\')
 876       {
 877           // convert any back-directory situations
 878           if ( *(s+1) == '.' && *(s+2) == '.' && ( (*(s+3) == '/' || *(s+3) == '\\') ) )
 879           {
 880           *s = ':';
 881                 memmove( s+1 , s+3 ,strlen( s+3 ) + 1 ) ;
 882           }
 883           else
 884           *s = ':';
 885       }
 886
 887       s++ ;
 888     }
 889   }
 890   return wxString (sMacFileNameConversion) ;
 891 }
 892
 893 wxString wxMacFSSpec2MacFilename( const FSSpec *spec )
 894 {
 895     Handle    myPath ;
 896     short     length ;
 897
 898     FSpGetFullPath( spec , &length , &myPath ) ;
 899     ::SetHandleSize( myPath , length + 1 ) ;
 900     ::HLock( myPath ) ;
 901     (*myPath)[length] = 0 ;
 902     if ( length > 0 && (*myPath)[length-1] ==':' )
 903         (*myPath)[length-1] = 0 ;
 904
 905     wxString result(     (char*) *myPath ) ;
 906     ::HUnlock( myPath ) ;
 907     ::DisposeHandle( myPath ) ;
 908     return result ;
 909 }
 910
 911 wxString wxMacFSSpec2UnixFilename( const FSSpec *spec )
 912 {
 913     return wxMac2UnixFilename( wxMacFSSpec2MacFilename( spec) ) ;
 914 }
 915
 916 void wxMacFilename2FSSpec( const char *path , FSSpec *spec )
 917 {
 918     FSpLocationFromFullPath( strlen(path ) , path , spec ) ;
 919 }
 920
 921 void wxUnixFilename2FSSpec( const char *path , FSSpec *spec )
 922 {
 923     wxString var = wxUnix2MacFilename( path ) ;
 924     wxMacFilename2FSSpec( var , spec ) ;
 925 }
 926
 927 #endif
 928 void
 929 wxDos2UnixFilename (char *s)
 930 {
 931   if (s)
 932     while (*s)
 933       {
 934         if (*s == '\\')
 935           *s = '/';
 936 #ifdef __WXMSW__
 937         else
 938           *s = wxTolower (*s);        // Case INDEPENDENT
 939 #endif
 940         s++;
 941       }
 942 }
 943
 944 void
 945 #if defined(__WXMSW__) || defined(__WXPM__)
 946 wxUnix2DosFilename (wxChar *s)
 947 #else
 948 wxUnix2DosFilename (wxChar *WXUNUSED(s) )
 949 #endif
 950 {
 951 // Yes, I really mean this to happen under DOS only! JACS
 952 #if defined(__WXMSW__) || defined(__WXPM__)
 953   if (s)
 954     while (*s)
 955       {
 956         if (*s == wxT('/'))
 957           *s = wxT('\\');
 958         s++;
 959       }
 960 #endif
 961 }
 962
 963 // Concatenate two files to form third
 964 bool
 965 wxConcatFiles (const wxString& file1, const wxString& file2, const wxString& file3)
 966 {
 967   wxChar *outfile = wxGetTempFileName("cat");
 968
 969   FILE *fp1 = (FILE *) NULL;
 970   FILE *fp2 = (FILE *) NULL;
 971   FILE *fp3 = (FILE *) NULL;
 972   // Open the inputs and outputs
 973 #ifdef __WXMAC__
 974   if ((fp1 = fopen (wxUnix2MacFilename( file1 ), "rb")) == NULL ||
 975       (fp2 = fopen (wxUnix2MacFilename( file2 ), "rb")) == NULL ||
 976       (fp3 = fopen (wxUnix2MacFilename( outfile ), "wb")) == NULL)
 977 #else
 978   if ((fp1 = wxFopen (WXSTRINGCAST file1, wxT("rb"))) == NULL ||
 979       (fp2 = wxFopen (WXSTRINGCAST file2, wxT("rb"))) == NULL ||
 980       (fp3 = wxFopen (outfile, wxT("wb"))) == NULL)
 981 #endif
 982     {
 983       if (fp1)
 984         fclose (fp1);
 985       if (fp2)
 986         fclose (fp2);
 987       if (fp3)
 988         fclose (fp3);
 989       return FALSE;
 990     }
 991
 992   int ch;
 993   while ((ch = getc (fp1)) != EOF)
 994     (void) putc (ch, fp3);
 995   fclose (fp1);
 996
 997   while ((ch = getc (fp2)) != EOF)
 998     (void) putc (ch, fp3);
 999   fclose (fp2);
1000
1001   fclose (fp3);
1002   bool result = wxRenameFile(outfile, file3);
1003   delete[] outfile;
1004   return result;
1005 }
1006
1007 // Copy files
1008 bool
1009 wxCopyFile (const wxString& file1, const wxString& file2)
1010 {
1011   FILE *fd1;
1012   FILE *fd2;
1013   int ch;
1014
1015 #ifdef __WXMAC__
1016   if ((fd1 = fopen (wxUnix2MacFilename( file1 ), "rb")) == NULL)
1017     return FALSE;
1018   if ((fd2 = fopen (wxUnix2MacFilename( file2 ), "wb")) == NULL)
1019 #else
1020   if ((fd1 = wxFopen (WXSTRINGCAST file1, wxT("rb"))) == NULL)
1021     return FALSE;
1022   if ((fd2 = wxFopen (WXSTRINGCAST file2, wxT("wb"))) == NULL)
1023 #endif
1024     {
1025       fclose (fd1);
1026       return FALSE;
1027     }
1028
1029   while ((ch = getc (fd1)) != EOF)
1030     (void) putc (ch, fd2);
1031
1032   fclose (fd1);
1033   fclose (fd2);
1034   return TRUE;
1035 }
1036
1037 bool
1038 wxRenameFile (const wxString& file1, const wxString& file2)
1039 {
1040 #ifdef __WXMAC__
1041   if (0 == rename (wxUnix2MacFilename( file1 ), wxUnix2MacFilename( file2 )))
1042     return TRUE;
1043 #else
1044   // Normal system call
1045   if (0 == wxRename (wxCSTRINGCAST file1, wxCSTRINGCAST file2))
1046     return TRUE;
1047 #endif
1048   // Try to copy
1049   if (wxCopyFile(file1, file2)) {
1050     wxRemoveFile(file1);
1051     return TRUE;
1052   }
1053   // Give up
1054   return FALSE;
1055 }
1056
1057 bool wxRemoveFile(const wxString& file)
1058 {
1059 #if defined(__VISUALC__) || defined(__BORLANDC__) || defined(__WATCOMC__)
1060   int flag = wxRemove(wxFNSTRINGCAST file.fn_str());
1061 #elif defined( __WXMAC__ )
1062   int flag = unlink(wxUnix2MacFilename( file ));
1063 #else
1064   int flag = unlink(wxFNSTRINGCAST file.fn_str());
1065 #endif
1066   return (flag == 0) ;
1067 }
1068
1069 bool wxMkdir(const wxString& dir, int perm)
1070 {
1071 #if defined( __WXMAC__ )
1072   return (mkdir(wxUnix2MacFilename( dir ) , 0 ) == 0);
1073 #else // !Mac
1074     const wxChar *dirname = dir.c_str();
1075
1076     // assume mkdir() has 2 args on non Windows-OS/2 platforms and on Windows too
1077     // for the GNU compiler
1078 #if (!(defined(__WXMSW__) || defined(__WXPM__))) || (defined(__GNUWIN32__) && !defined(__MINGW32__)) || defined(__WXWINE__)
1079     if ( mkdir(wxFNCONV(dirname), perm) != 0 )
1080 #elif defined(__WXPM__)
1081     if (::DosCreateDir((PSZ)dirname, NULL) != 0) // enhance for EAB's??
1082 #else  // !MSW and !OS/2 VAC++
1083     if ( wxMkDir(wxFNSTRINGCAST wxFNCONV(dirname)) != 0 )
1084 #endif // !MSW/MSW
1085     {
1086         wxLogSysError(_("Directory '%s' couldn't be created"), dirname);
1087
1088         return FALSE;
1089     }
1090
1091     return TRUE;
1092 #endif // Mac/!Mac
1093 }
1094
1095 bool wxRmdir(const wxString& dir, int WXUNUSED(flags))
1096 {
1097 #ifdef __VMS__
1098   return FALSE; //to be changed since rmdir exists in VMS7.x
1099 #elif defined( __WXMAC__ )
1100   return (rmdir(wxUnix2MacFilename( dir )) == 0);
1101 #elif defined(__WXPM__)
1102   return (::DosDeleteDir((PSZ)dir.c_str()) == 0);
1103 #else
1104
1105 #ifdef __SALFORDC__
1106   return FALSE; // What to do?
1107 #else
1108   return (wxRmDir(wxFNSTRINGCAST dir.fn_str()) == 0);
1109 #endif
1110
1111 #endif
1112 }
1113
1114 #if 0
1115 bool wxDirExists(const wxString& dir)
1116 {
1117 #ifdef __VMS__
1118   return FALSE; //To be changed since stat exists in VMS7.x
1119 #elif !defined(__WXMSW__)
1120   struct stat sbuf;
1121   return (stat(dir.fn_str(), &sbuf) != -1) && S_ISDIR(sbuf.st_mode) ? TRUE : FALSE;
1122 #else
1123
1124   /* MATTHEW: [6] Always use same code for Win32, call FindClose */
1125 #if defined(__WIN32__)
1126   WIN32_FIND_DATA fileInfo;
1127 #else
1128 #ifdef __BORLANDC__
1129   struct ffblk fileInfo;
1130 #else
1131   struct find_t fileInfo;
1132 #endif
1133 #endif
1134
1135 #if defined(__WIN32__)
1136         HANDLE h = FindFirstFile((LPTSTR) WXSTRINGCAST dir,(LPWIN32_FIND_DATA)&fileInfo);
1137
1138         if (h==INVALID_HANDLE_VALUE)
1139          return FALSE;
1140         else {
1141          FindClose(h);
1142          return ((fileInfo.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) == FILE_ATTRIBUTE_DIRECTORY);
1143         }
1144 #else
1145   // In Borland findfirst has a different argument
1146   // ordering from _dos_findfirst. But _dos_findfirst
1147   // _should_ be ok in both MS and Borland... why not?
1148 #ifdef __BORLANDC__
1149   return ((findfirst(WXSTRINGCAST dir, &fileInfo, _A_SUBDIR) == 0  && (fileInfo.ff_attrib & _A_SUBDIR) != 0));
1150 #else
1151   return (((_dos_findfirst(WXSTRINGCAST dir, _A_SUBDIR, &fileInfo) == 0) && (fileInfo.attrib & _A_SUBDIR)) != 0);
1152 #endif
1153 #endif
1154
1155 #endif
1156 }
1157
1158 #endif
1159
1160 // does the path exists? (may have or not '/' or '\\' at the end)
1161 bool wxPathExists(const wxChar *pszPathName)
1162 {
1163     wxString strPath(pszPathName);
1164 #ifdef __WINDOWS__
1165     // Windows fails to find directory named "c:\dir\" even if "c:\dir" exists,
1166     // so remove all trailing backslashes from the path - but don't do this for
1167     // the pathes "d:\" (which are different from "d:") nor for just "\"
1168     while ( wxEndsWithPathSeparator(strPath) )
1169     {
1170         size_t len = strPath.length();
1171         if ( len == 1 || strPath[len - 1] == _T(':') )
1172             break;
1173
1174         strPath.Truncate(len - 1);
1175     }
1176 #endif // __WINDOWS__
1177
1178     wxStructStat st;
1179
1180     return wxStat(wxFNSTRINGCAST strPath.fn_str(), &st) == 0 &&
1181         ((st.st_mode & S_IFMT) == S_IFDIR);
1182 }
1183
1184 // Get a temporary filename, opening and closing the file.
1185 wxChar *wxGetTempFileName(const wxString& prefix, wxChar *buf)
1186 {
1187 #ifdef __WINDOWS__
1188
1189 #ifndef        __WIN32__
1190   wxChar tmp[144];
1191   ::GetTempFileName(0, WXSTRINGCAST prefix, 0, tmp);
1192 #else
1193   wxChar tmp[MAX_PATH];
1194   wxChar tmpPath[MAX_PATH];
1195   ::GetTempPath(MAX_PATH, tmpPath);
1196   ::GetTempFileName(tmpPath, WXSTRINGCAST prefix, 0, tmp);
1197 #endif
1198   if (buf) wxStrcpy(buf, tmp);
1199   else buf = copystring(tmp);
1200   return buf;
1201
1202 #else
1203   static short last_temp = 0;        // cache last to speed things a bit
1204   // At most 1000 temp files to a process! We use a ring count.
1205   wxChar tmp[100]; // FIXME static buffer
1206
1207   for (short suffix = last_temp + 1; suffix != last_temp; ++suffix %= 1000)
1208     {
1209       wxSprintf (tmp, wxT("/tmp/%s%d.%03x"), WXSTRINGCAST prefix, (int) getpid (), (int) suffix);
1210       if (!wxFileExists( tmp ))
1211         {
1212           // Touch the file to create it (reserve name)
1213           FILE *fd = fopen (wxFNCONV(tmp), "w");
1214           if (fd)
1215             fclose (fd);
1216           last_temp = suffix;
1217           if (buf)
1218             wxStrcpy( buf, tmp);
1219           else
1220             buf = copystring( tmp );
1221           return buf;
1222         }
1223     }
1224   wxLogError( _("wxWindows: error finding temporary file name.\n") );
1225   if (buf) buf[0] = 0;
1226   return (wxChar *) NULL;
1227 #endif
1228 }
1229
1230 bool wxGetTempFileName(const wxString& prefix, wxString& buf)
1231 {
1232     wxChar buf2[512];
1233     if (wxGetTempFileName(prefix, buf2) != (wxChar*) NULL)
1234     {
1235         buf = buf2;
1236         return TRUE;
1237     }
1238     else
1239         return FALSE;
1240 }
1241
1242 // Get first file name matching given wild card.
1243
1244 #ifdef __UNIX__
1245
1246 // Get first file name matching given wild card.
1247 // Flags are reserved for future use.
1248
1249 #if !defined( __VMS__ ) || ( __VMS_VER >= 70000000 )
1250     static DIR *gs_dirStream = (DIR *) NULL;
1251     static wxString gs_strFileSpec;
1252     static int gs_findFlags = 0;
1253 #endif
1254
1255 wxString wxFindFirstFile(const wxChar *spec, int flags)
1256 {
1257     wxString result;
1258
1259 #if !defined( __VMS__ ) || ( __VMS_VER >= 70000000 )
1260     if (gs_dirStream)
1261         closedir(gs_dirStream); // edz 941103: better housekeping
1262
1263     gs_findFlags = flags;
1264
1265     gs_strFileSpec = spec;
1266
1267     // Find path only so we can concatenate
1268     // found file onto path
1269     wxString path(wxPathOnly(gs_strFileSpec));
1270
1271     // special case: path is really "/"
1272     if ( !path && gs_strFileSpec[0u] == wxT('/') )
1273         path = wxT('/');
1274     // path is empty => Local directory
1275     if ( !path )
1276         path = wxT('.');
1277
1278     gs_dirStream = opendir(path.fn_str());
1279     if ( !gs_dirStream )
1280     {
1281         wxLogSysError(_("Can not enumerate files in directory '%s'"),
1282                       path.c_str());
1283     }
1284     else
1285     {
1286         result = wxFindNextFile();
1287     }
1288 #endif // !VMS6.x or earlier
1289
1290     return result;
1291 }
1292
1293 wxString wxFindNextFile()
1294 {
1295     wxString result;
1296
1297 #if !defined( __VMS__ ) || ( __VMS_VER >= 70000000 )
1298     wxCHECK_MSG( gs_dirStream, result, wxT("must call wxFindFirstFile first") );
1299
1300     // Find path only so we can concatenate
1301     // found file onto path
1302     wxString path(wxPathOnly(gs_strFileSpec));
1303     wxString name(wxFileNameFromPath(gs_strFileSpec));
1304
1305     /* MATTHEW: special case: path is really "/" */
1306     if ( !path && gs_strFileSpec[0u] == wxT('/'))
1307         path = wxT('/');
1308
1309     // Do the reading
1310     struct dirent *nextDir;
1311     for ( nextDir = readdir(gs_dirStream);
1312           nextDir != NULL;
1313           nextDir = readdir(gs_dirStream) )
1314     {
1315         if (wxMatchWild(name, nextDir->d_name, FALSE) &&   // RR: added FALSE to find hidden files
1316         strcmp(nextDir->d_name, ".") &&
1317         strcmp(nextDir->d_name, "..") )
1318         {
1319             result.Empty();
1320             if ( !path.IsEmpty() )
1321             {
1322                 result = path;
1323                 if ( path != wxT('/') )
1324                     result += wxT('/');
1325             }
1326
1327             result += nextDir->d_name;
1328
1329             // Only return "." and ".." when they match
1330             bool isdir;
1331             if ( (strcmp(nextDir->d_name, ".") == 0) ||
1332                  (strcmp(nextDir->d_name, "..") == 0))
1333             {
1334                 if ( (gs_findFlags & wxDIR) != 0 )
1335                     isdir = TRUE;
1336                 else
1337                     continue;
1338             }
1339             else
1340                 isdir = wxDirExists(result);
1341
1342             // and only return directories when flags & wxDIR
1343             if ( !gs_findFlags ||
1344                  ((gs_findFlags & wxDIR) && isdir) ||
1345                  ((gs_findFlags & wxFILE) && !isdir) )
1346             {
1347                 return result;
1348             }
1349         }
1350     }
1351
1352     result.Empty(); // not found
1353
1354     closedir(gs_dirStream);
1355     gs_dirStream = (DIR *) NULL;
1356 #endif // !VMS6.2 or earlier
1357
1358     return result;
1359 }
1360
1361 #elif defined(__WXMAC__)
1362
1363 struct MacDirectoryIterator
1364 {
1365     CInfoPBRec            m_CPB ;
1366     wxInt16                m_index ;
1367     long                m_dirId ;
1368     Str255                m_name ;
1369 } ;
1370
1371 static int g_iter_flags ;
1372
1373 static MacDirectoryIterator g_iter ;
1374
1375 wxString wxFindFirstFile(const wxChar *spec, int flags)
1376 {
1377     wxString result;
1378
1379     g_iter_flags = flags; /* MATTHEW: [5] Remember flags */
1380
1381     // Find path only so we can concatenate found file onto path
1382     wxString path(wxPathOnly(spec));
1383     if ( !path.IsEmpty() )
1384         result << path << wxT('\\');
1385
1386     FSSpec fsspec ;
1387
1388     wxUnixFilename2FSSpec( result , &fsspec ) ;
1389     g_iter.m_CPB.hFileInfo.ioVRefNum = fsspec.vRefNum ;
1390     g_iter.m_CPB.hFileInfo.ioNamePtr = g_iter.m_name ;
1391     g_iter.m_index = 0 ;
1392
1393     Boolean isDir ;
1394     FSpGetDirectoryID( &fsspec , &g_iter.m_dirId , &isDir ) ;
1395     if ( !isDir )
1396         return wxEmptyString ;
1397
1398     return wxFindNextFile( ) ;
1399 }
1400
1401 wxString wxFindNextFile()
1402 {
1403     wxString result;
1404
1405     short err = noErr ;
1406
1407     while ( err == noErr )
1408     {
1409         g_iter.m_index++ ;
1410         g_iter.m_CPB.dirInfo.ioFDirIndex = g_iter.m_index;
1411         g_iter.m_CPB.dirInfo.ioDrDirID = g_iter.m_dirId;    /* we need to do this every time */
1412         err = PBGetCatInfoSync((CInfoPBPtr)&g_iter.m_CPB);
1413         if ( err != noErr )
1414             break ;
1415
1416         if ( ( g_iter.m_CPB.dirInfo.ioFlAttrib & ioDirMask) != 0 && (g_iter_flags & wxDIR) ) //  we have a directory
1417             break ;
1418
1419         if ( ( g_iter.m_CPB.dirInfo.ioFlAttrib & ioDirMask) == 0 && !(g_iter_flags & wxFILE ) )
1420             continue ;
1421
1422         // hit !
1423         break ;
1424     }
1425     if ( err != noErr )
1426     {
1427         return wxEmptyString ;
1428     }
1429     FSSpec spec ;
1430
1431     FSMakeFSSpecCompat(g_iter.m_CPB.hFileInfo.ioVRefNum,
1432                                    g_iter.m_dirId,
1433                                    g_iter.m_name,
1434                                    &spec) ;
1435
1436     return wxMacFSSpec2UnixFilename( &spec ) ;
1437 }
1438
1439 #elif defined(__WXMSW__)
1440
1441 #ifdef __WIN32__
1442     static HANDLE gs_hFileStruct = INVALID_HANDLE_VALUE;
1443     static WIN32_FIND_DATA gs_findDataStruct;
1444 #else // Win16
1445     #ifdef __BORLANDC__
1446         static struct ffblk gs_findDataStruct;
1447     #else
1448         static struct _find_t gs_findDataStruct;
1449     #endif // Borland
1450 #endif // Win32/16
1451
1452 static wxString gs_strFileSpec;
1453 static int gs_findFlags = 0;
1454
1455 wxString wxFindFirstFile(const wxChar *spec, int flags)
1456 {
1457     wxString result;
1458
1459     gs_strFileSpec = spec;
1460     gs_findFlags = flags; /* MATTHEW: [5] Remember flags */
1461
1462     // Find path only so we can concatenate found file onto path
1463     wxString path(wxPathOnly(gs_strFileSpec));
1464     if ( !path.IsEmpty() )
1465         result << path << wxT('\\');
1466
1467 #ifdef __WIN32__
1468     if ( gs_hFileStruct != INVALID_HANDLE_VALUE )
1469         FindClose(gs_hFileStruct);
1470
1471     gs_hFileStruct = ::FindFirstFile(WXSTRINGCAST spec, &gs_findDataStruct);
1472
1473     if ( gs_hFileStruct == INVALID_HANDLE_VALUE )
1474     {
1475         result.Empty();
1476
1477         return result;
1478     }
1479
1480     bool isdir = !!(gs_findDataStruct.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY);
1481
1482     if (isdir && !(flags & wxDIR))
1483         return wxFindNextFile();
1484     else if (!isdir && flags && !(flags & wxFILE))
1485         return wxFindNextFile();
1486
1487     result += gs_findDataStruct.cFileName;
1488
1489     return result;
1490 #else // !Win32
1491     int flag = _A_NORMAL;
1492     if (flags & wxDIR)
1493         flag = _A_SUBDIR;
1494
1495 #ifdef __BORLANDC__
1496     if (findfirst(WXSTRINGCAST spec, &gs_findDataStruct, flag) == 0)
1497 #else
1498         if (_dos_findfirst(WXSTRINGCAST spec, flag, &gs_findDataStruct) == 0)
1499 #endif
1500         {
1501             char attrib;
1502
1503 #ifdef __BORLANDC__
1504             attrib = gs_findDataStruct.ff_attrib;
1505 #else
1506             attrib = gs_findDataStruct.attrib;
1507 #endif
1508
1509             if (attrib & _A_SUBDIR) {
1510                 if (!(gs_findFlags & wxDIR))
1511                     return wxFindNextFile();
1512             } else if (gs_findFlags && !(gs_findFlags & wxFILE))
1513                 return wxFindNextFile();
1514
1515             result +=
1516 #ifdef __BORLANDC__
1517                     gs_findDataStruct.ff_name
1518 #else
1519                     gs_findDataStruct.name
1520 #endif
1521                     ;
1522         }
1523
1524     return result;
1525 #endif // __WIN32__
1526 }
1527
1528
1529 wxString wxFindNextFile()
1530 {
1531     wxString result;
1532
1533     // Find path only so we can concatenate found file onto path
1534     wxString path(wxPathOnly(gs_strFileSpec));
1535
1536 try_again:
1537
1538 #ifdef __WIN32__
1539     if (gs_hFileStruct == INVALID_HANDLE_VALUE)
1540         return result;
1541
1542     bool success = (FindNextFile(gs_hFileStruct, &gs_findDataStruct) != 0);
1543     if (!success)
1544     {
1545         FindClose(gs_hFileStruct);
1546         gs_hFileStruct = INVALID_HANDLE_VALUE;
1547     }
1548     else
1549     {
1550         bool isdir = !!(gs_findDataStruct.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY);
1551
1552         if (isdir && !(gs_findFlags & wxDIR))
1553             goto try_again;
1554         else if (!isdir && gs_findFlags && !(gs_findFlags & wxFILE))
1555             goto try_again;
1556
1557         if ( !path.IsEmpty() )
1558             result << path << wxT('\\');
1559         result << gs_findDataStruct.cFileName;
1560     }
1561
1562     return result;
1563 #else // Win16
1564
1565 #ifdef __BORLANDC__
1566     if (findnext(&gs_findDataStruct) == 0)
1567 #else
1568         if (_dos_findnext(&gs_findDataStruct) == 0)
1569 #endif
1570         {
1571             /* MATTHEW: [5] Check directory flag */
1572             char attrib;
1573
1574 #ifdef __BORLANDC__
1575             attrib = gs_findDataStruct.ff_attrib;
1576 #else
1577             attrib = gs_findDataStruct.attrib;
1578 #endif
1579
1580             if (attrib & _A_SUBDIR) {
1581                 if (!(gs_findFlags & wxDIR))
1582                     goto try_again;
1583             } else if (gs_findFlags && !(gs_findFlags & wxFILE))
1584                 goto try_again;
1585
1586
1587             result +=
1588 #ifdef __BORLANDC__
1589                       gs_findDataStruct.ff_name
1590 #else
1591                       gs_findDataStruct.name
1592 #endif
1593                       ;
1594         }
1595
1596     return result;
1597 #endif // Win32/16
1598 }
1599
1600 #elif defined(__WXPM__)
1601
1602 wxString wxFindFirstFile(const wxChar *spec, int flags)
1603 {
1604     wxString result;
1605
1606     /*
1607     // TODO: figure something out here for OS/2
1608     gs_strFileSpec = spec;
1609     gs_findFlags = flags;
1610
1611     // Find path only so we can concatenate found file onto path
1612     wxString path(wxPathOnly(gs_strFileSpec));
1613     if ( !path.IsEmpty() )
1614         result << path << wxT('\\');
1615
1616     int flag = _A_NORMAL;
1617     if (flags & wxDIR)
1618         flag = _A_SUBDIR;
1619
1620     if (_dos_findfirst(WXSTRINGCAST spec, flag, &gs_findDataStruct) == 0)
1621     {
1622         char attrib;
1623         attrib = gs_findDataStruct.attrib;
1624
1625         if (attrib & _A_SUBDIR) {
1626             if (!(gs_findFlags & wxDIR))
1627                 return wxFindNextFile();
1628         } else if (gs_findFlags && !(gs_findFlags & wxFILE))
1629             return wxFindNextFile();
1630
1631         result += gs_findDataStruct.name;
1632     }
1633     */
1634     return result;
1635 }
1636
1637 wxString wxFindNextFile()
1638 {
1639     wxString result;
1640     // TODO:
1641     return result;
1642 }
1643
1644 #endif // Unix/Windows/OS/2
1645
1646 // Get current working directory.
1647 // If buf is NULL, allocates space using new, else
1648 // copies into buf.
1649 wxChar *wxGetWorkingDirectory(wxChar *buf, int sz)
1650 {
1651   if (!buf)
1652     buf = new wxChar[sz+1];
1653 #if wxUSE_UNICODE
1654   char *cbuf = new char[sz+1];
1655 #ifdef _MSC_VER
1656   if (_getcwd(cbuf, sz) == NULL) {
1657 #elif defined( __WXMAC__)
1658     enum
1659     {
1660         SFSaveDisk = 0x214, CurDirStore = 0x398
1661     };
1662     FSSpec cwdSpec ;
1663
1664     FSMakeFSSpec( - *(short *) SFSaveDisk , *(long *) CurDirStore , NULL , &cwdSpec ) ;
1665     wxString res = wxMacFSSpec2UnixFilename( &cwdSpec ) ;
1666     strcpy( buf , res ) ;
1667     if (0) {
1668 #else
1669   if (getcwd(cbuf, sz) == NULL) {
1670 #endif
1671     delete [] cbuf;
1672 #else // wxUnicode
1673 #ifdef _MSC_VER
1674   if (_getcwd(buf, sz) == NULL) {
1675 #elif defined( __WXMAC__)
1676     enum
1677     {
1678         SFSaveDisk = 0x214, CurDirStore = 0x398
1679     };
1680     FSSpec cwdSpec ;
1681
1682     FSMakeFSSpec( - *(short *) SFSaveDisk , *(long *) CurDirStore , NULL , &cwdSpec ) ;
1683     wxString res = wxMacFSSpec2UnixFilename( &cwdSpec ) ;
1684     strcpy( buf , res ) ;
1685     if (0) {
1686 #elif(__VISAGECPP__)
1687     APIRET rc;
1688     rc = ::DosQueryCurrentDir( 0 // current drive
1689                               ,buf
1690                               ,(PULONG)&sz
1691                              );
1692     if (rc != 0) {
1693 #else
1694   if (getcwd(buf, sz) == NULL) {
1695 #endif
1696 #endif
1697     buf[0] = wxT('.');
1698     buf[1] = wxT('\0');
1699   }
1700 #if wxUSE_UNICODE
1701   else {
1702     wxConvFile.MB2WC(buf, cbuf, sz);
1703     delete [] cbuf;
1704   }
1705 #endif
1706   return buf;
1707 }
1708
1709 wxString wxGetCwd()
1710 {
1711     static const size_t maxPathLen = 1024;
1712
1713     wxString str;
1714     wxGetWorkingDirectory(str.GetWriteBuf(maxPathLen), maxPathLen);
1715     str.UngetWriteBuf();
1716
1717     return str;
1718 }
1719
1720 bool wxSetWorkingDirectory(const wxString& d)
1721 {
1722 #if defined( __UNIX__ ) || defined( __WXMAC__ )
1723   return (chdir(wxFNSTRINGCAST d.fn_str()) == 0);
1724 #elif defined(__WXPM__)
1725   return (::DosSetCurrentDir((PSZ)d.c_str()) == 0);
1726 #elif defined(__WINDOWS__)
1727
1728 #ifdef __WIN32__
1729   return (bool)(SetCurrentDirectory(d) != 0);
1730 #else
1731   // Must change drive, too.
1732   bool isDriveSpec = ((strlen(d) > 1) && (d[1] == ':'));
1733   if (isDriveSpec)
1734   {
1735     wxChar firstChar = d[0];
1736
1737     // To upper case
1738     if (firstChar > 90)
1739       firstChar = firstChar - 32;
1740
1741     // To a drive number
1742     unsigned int driveNo = firstChar - 64;
1743     if (driveNo > 0)
1744     {
1745        unsigned int noDrives;
1746        _dos_setdrive(driveNo, &noDrives);
1747     }
1748   }
1749   bool success = (chdir(WXSTRINGCAST d) == 0);
1750
1751   return success;
1752 #endif
1753
1754 #endif
1755 }
1756
1757 // Get the OS directory if appropriate (such as the Windows directory).
1758 // On non-Windows platform, probably just return the empty string.
1759 wxString wxGetOSDirectory()
1760 {
1761 #ifdef __WINDOWS__
1762     wxChar buf[256];
1763     GetWindowsDirectory(buf, 256);
1764     return wxString(buf);
1765 #else
1766     return wxEmptyString;
1767 #endif
1768 }
1769
1770 bool wxEndsWithPathSeparator(const wxChar *pszFileName)
1771 {
1772   size_t len = wxStrlen(pszFileName);
1773   if ( len == 0 )
1774     return FALSE;
1775   else
1776     return wxIsPathSeparator(pszFileName[len - 1]);
1777 }
1778
1779 // find a file in a list of directories, returns false if not found
1780 bool wxFindFileInPath(wxString *pStr, const wxChar *pszPath, const wxChar *pszFile)
1781 {
1782     // we assume that it's not empty
1783     wxCHECK_MSG( !wxIsEmpty(pszFile), FALSE,
1784                  _T("empty file name in wxFindFileInPath"));
1785
1786     // skip path separator in the beginning of the file name if present
1787     if ( wxIsPathSeparator(*pszFile) )
1788         pszFile++;
1789
1790     // copy the path (strtok will modify it)
1791     wxChar *szPath = new wxChar[wxStrlen(pszPath) + 1];
1792     wxStrcpy(szPath, pszPath);
1793
1794     wxString strFile;
1795     wxChar *pc, *save_ptr;
1796     for ( pc = wxStrtok(szPath, wxPATH_SEP, &save_ptr);
1797           pc != NULL;
1798           pc = wxStrtok((wxChar *) NULL, wxPATH_SEP, &save_ptr) )
1799     {
1800         // search for the file in this directory
1801         strFile = pc;
1802         if ( !wxEndsWithPathSeparator(pc) )
1803             strFile += wxFILE_SEP_PATH;
1804         strFile += pszFile;
1805
1806         if ( FileExists(strFile) ) {
1807             *pStr = strFile;
1808             break;
1809         }
1810     }
1811
1812     // suppress warning about unused variable save_ptr when wxStrtok() is a
1813     // macro which throws away its third argument
1814     save_ptr = pc;
1815
1816     delete [] szPath;
1817
1818     return pc != NULL;  // if true => we breaked from the loop
1819 }
1820
1821 void WXDLLEXPORT wxSplitPath(const wxChar *pszFileName,
1822                              wxString *pstrPath,
1823                              wxString *pstrName,
1824                              wxString *pstrExt)
1825 {
1826     // it can be empty, but it shouldn't be NULL
1827     wxCHECK_RET( pszFileName, wxT("NULL file name in wxSplitPath") );
1828
1829     const wxChar *pDot = wxStrrchr(pszFileName, wxFILE_SEP_EXT);
1830
1831 #ifdef __WXMSW__
1832     // under Windows we understand both separators
1833     const wxChar *pSepUnix = wxStrrchr(pszFileName, wxFILE_SEP_PATH_UNIX);
1834     const wxChar *pSepDos = wxStrrchr(pszFileName, wxFILE_SEP_PATH_DOS);
1835     const wxChar *pLastSeparator = pSepUnix > pSepDos ? pSepUnix : pSepDos;
1836 #else // assume Unix
1837     const wxChar *pLastSeparator = wxStrrchr(pszFileName, wxFILE_SEP_PATH_UNIX);
1838
1839     if ( pDot )
1840     {
1841         if ( (pDot == pszFileName) || (*(pDot - 1) == wxFILE_SEP_PATH_UNIX) )
1842         {
1843             // under Unix, dot may be (and commonly is) the first character of the
1844             // filename, don't treat the entire filename as extension in this case
1845             pDot = NULL;
1846         }
1847     }
1848 #endif // MSW/Unix
1849
1850     if ( pDot && (pDot < pLastSeparator) )
1851     {
1852         // the dot is part of the path, not the start of the extension
1853         pDot = NULL;
1854     }
1855
1856     if ( pstrPath )
1857     {
1858         if ( pLastSeparator )
1859             *pstrPath = wxString(pszFileName, pLastSeparator - pszFileName);
1860         else
1861             pstrPath->Empty();
1862     }
1863
1864     if ( pstrName )
1865     {
1866         const wxChar *start = pLastSeparator ? pLastSeparator + 1 : pszFileName;
1867         const wxChar *end = pDot ? pDot : pszFileName + wxStrlen(pszFileName);
1868
1869         *pstrName = wxString(start, end - start);
1870     }
1871
1872     if ( pstrExt )
1873     {
1874         if ( pDot )
1875             *pstrExt = wxString(pDot + 1);
1876         else
1877             pstrExt->Empty();
1878     }
1879 }
1880
1881 time_t WXDLLEXPORT wxFileModificationTime(const wxString& filename)
1882 {
1883     wxStructStat buf;
1884
1885     wxStat(filename.fn_str(), &buf);
1886     return buf.st_mtime;
1887 }
1888
1889
1890 //------------------------------------------------------------------------
1891 // wild character routines
1892 //------------------------------------------------------------------------
1893
1894 bool wxIsWild( const wxString& pattern )
1895 {
1896   wxString tmp = pattern;
1897   wxChar *pat = WXSTRINGCAST(tmp);
1898     while (*pat) {
1899         switch (*pat++) {
1900         case wxT('?'): case wxT('*'): case wxT('['): case wxT('{'):
1901             return TRUE;
1902         case wxT('\\'):
1903             if (!*pat++)
1904                 return FALSE;
1905         }
1906     }
1907     return FALSE;
1908 };
1909
1910 bool wxMatchWild( const wxString& pat, const wxString& text, bool dot_special )
1911
1912 #if defined(HAVE_FNMATCH_H)
1913 {
1914 // this probably won't work well for multibyte chars in Unicode mode?
1915    if(dot_special)
1916       return fnmatch(pat.fn_str(), text.fn_str(), FNM_PERIOD) == 0;
1917    else
1918       return fnmatch(pat.fn_str(), text.fn_str(), 0) == 0;
1919 }
1920 #else
1921
1922 // #pragma error Broken implementation of wxMatchWild() -- needs fixing!
1923
1924    /*
1925     * WARNING: this code is broken!
1926     */
1927 {
1928   wxString tmp1 = pat;
1929   wxChar *pattern = WXSTRINGCAST(tmp1);
1930   wxString tmp2 = text;
1931   wxChar *str = WXSTRINGCAST(tmp2);
1932     wxChar c;
1933     wxChar *cp;
1934     bool done = FALSE, ret_code, ok;
1935     // Below is for vi fans
1936     const wxChar OB = wxT('{'), CB = wxT('}');
1937
1938     // dot_special means '.' only matches '.'
1939     if (dot_special && *str == wxT('.') && *pattern != *str)
1940         return FALSE;
1941
1942     while ((*pattern != wxT('\0')) && (!done)
1943     && (((*str==wxT('\0'))&&((*pattern==OB)||(*pattern==wxT('*'))))||(*str!=wxT('\0')))) {
1944         switch (*pattern) {
1945         case wxT('\\'):
1946             pattern++;
1947             if (*pattern != wxT('\0'))
1948                 pattern++;
1949             break;
1950         case wxT('*'):
1951             pattern++;
1952             ret_code = FALSE;
1953             while ((*str!=wxT('\0'))
1954             && (!(ret_code=wxMatchWild(pattern, str++, FALSE))))
1955                 /*loop*/;
1956             if (ret_code) {
1957                 while (*str != wxT('\0'))
1958                     str++;
1959                 while (*pattern != wxT('\0'))
1960                     pattern++;
1961             }
1962             break;
1963         case wxT('['):
1964             pattern++;
1965           repeat:
1966             if ((*pattern == wxT('\0')) || (*pattern == wxT(']'))) {
1967                 done = TRUE;
1968                 break;
1969             }
1970             if (*pattern == wxT('\\')) {
1971                 pattern++;
1972                 if (*pattern == wxT('\0')) {
1973                     done = TRUE;
1974                     break;
1975                 }
1976             }
1977             if (*(pattern + 1) == wxT('-')) {
1978                 c = *pattern;
1979                 pattern += 2;
1980                 if (*pattern == wxT(']')) {
1981                     done = TRUE;
1982                     break;
1983                 }
1984                 if (*pattern == wxT('\\')) {
1985                     pattern++;
1986                     if (*pattern == wxT('\0')) {
1987                         done = TRUE;
1988                         break;
1989                     }
1990                 }
1991                 if ((*str < c) || (*str > *pattern)) {
1992                     pattern++;
1993                     goto repeat;
1994                 }
1995             } else if (*pattern != *str) {
1996                 pattern++;
1997                 goto repeat;
1998             }
1999             pattern++;
2000             while ((*pattern != wxT(']')) && (*pattern != wxT('\0'))) {
2001                 if ((*pattern == wxT('\\')) && (*(pattern + 1) != wxT('\0')))
2002                     pattern++;
2003                 pattern++;
2004             }
2005             if (*pattern != wxT('\0')) {
2006                 pattern++, str++;
2007             }
2008             break;
2009         case wxT('?'):
2010             pattern++;
2011             str++;
2012             break;
2013         case OB:
2014             pattern++;
2015             while ((*pattern != CB) && (*pattern != wxT('\0'))) {
2016                 cp = str;
2017                 ok = TRUE;
2018                 while (ok && (*cp != wxT('\0')) && (*pattern != wxT('\0'))
2019                 &&  (*pattern != wxT(',')) && (*pattern != CB)) {
2020                     if (*pattern == wxT('\\'))
2021                         pattern++;
2022                     ok = (*pattern++ == *cp++);
2023                 }
2024                 if (*pattern == wxT('\0')) {
2025                     ok = FALSE;
2026                     done = TRUE;
2027                     break;
2028                 } else if (ok) {
2029                     str = cp;
2030                     while ((*pattern != CB) && (*pattern != wxT('\0'))) {
2031                         if (*++pattern == wxT('\\')) {
2032                             if (*++pattern == CB)
2033                                 pattern++;
2034                         }
2035                     }
2036                 } else {
2037                     while (*pattern!=CB && *pattern!=wxT(',') && *pattern!=wxT('\0')) {
2038                         if (*++pattern == wxT('\\')) {
2039                             if (*++pattern == CB || *pattern == wxT(','))
2040                                 pattern++;
2041                         }
2042                     }
2043                 }
2044                 if (*pattern != wxT('\0'))
2045                     pattern++;
2046             }
2047             break;
2048         default:
2049             if (*str == *pattern) {
2050                 str++, pattern++;
2051             } else {
2052                 done = TRUE;
2053             }
2054         }
2055     }
2056     while (*pattern == wxT('*'))
2057         pattern++;
2058     return ((*str == wxT('\0')) && (*pattern == wxT('\0')));
2059 };
2060
2061 #endif
2062
2063 #ifdef __VISUALC__
2064     #pragma warning(default:4706)   // assignment within conditional expression
2065 #endif // VC++