src/common/filefn.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        filefn.cpp
   3 // Purpose:     File- and directory-related functions
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     29/01/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) 1998 Julian Smart
   9 // Licence:     wxWindows license
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // ============================================================================
  13 // declarations
  14 // ============================================================================
  15
  16 // ----------------------------------------------------------------------------
  17 // headers
  18 // ----------------------------------------------------------------------------
  19
  20 #ifdef __GNUG__
  21     #pragma implementation "filefn.h"
  22 #endif
  23
  24 // For compilers that support precompilation, includes "wx.h".
  25 #include "wx/wxprec.h"
  26 #include "wx/defs.h"
  27
  28 #ifdef __BORLANDC__
  29     #pragma hdrstop
  30 #endif
  31
  32 #ifndef WX_PRECOMP
  33     #include "wx/defs.h"
  34 #endif
  35
  36 #include "wx/utils.h"
  37 #include "wx/intl.h"
  38
  39 // there are just too many of those...
  40 #ifdef __VISUALC__
  41     #pragma warning(disable:4706)   // assignment within conditional expression
  42 #endif // VC++
  43
  44 #include <ctype.h>
  45 #include <stdio.h>
  46 #include <stdlib.h>
  47 #include <string.h>
  48 #if !defined(__WATCOMC__)
  49     #if !(defined(_MSC_VER) && (_MSC_VER > 800))
  50         #include <errno.h>
  51     #endif
  52 #endif
  53
  54 #include <time.h>
  55
  56 #ifndef __MWERKS__
  57     #include <sys/types.h>
  58     #include <sys/stat.h>
  59 #else
  60     #include <stat.h>
  61     #include <unistd.h>
  62 #endif
  63
  64 #ifdef __UNIX__
  65     #include <unistd.h>
  66     #include <dirent.h>
  67 #endif
  68
  69 #ifdef __OS2__
  70     #include <direct.h>
  71     #include <process.h>
  72 #endif
  73 #ifdef __WINDOWS__
  74 #if !defined( __GNUWIN32__ ) && !defined( __MWERKS__ ) && !defined(__SALFORDC__)
  75     #include <direct.h>
  76     #include <dos.h>
  77 #endif // __WINDOWS__
  78 #endif // native Win compiler
  79
  80 #ifdef __GNUWIN32__
  81     #ifndef __TWIN32__
  82         #include <sys/unistd.h>
  83     #endif
  84 #endif
  85
  86 #ifdef __BORLANDC__ // Please someone tell me which version of Borland needs
  87                     // this (3.1 I believe) and how to test for it.
  88                     // If this works for Borland 4.0 as well, then no worries.
  89     #include <dir.h>
  90 #endif
  91
  92 #ifdef __SALFORDC__
  93     #include <dir.h>
  94     #include <unix.h>
  95 #endif
  96
  97 #include "wx/setup.h"
  98 #include "wx/log.h"
  99
 100 // No, Cygwin doesn't appear to have fnmatch.h after all.
 101 #if defined(HAVE_FNMATCH_H)
 102     #include "fnmatch.h"
 103 #endif
 104
 105 #ifdef __WINDOWS__
 106     #include "windows.h"
 107 #endif
 108
 109 // ----------------------------------------------------------------------------
 110 // constants
 111 // ----------------------------------------------------------------------------
 112
 113 #define _MAXPATHLEN 500
 114
 115 extern wxChar *wxBuffer;
 116
 117 #ifdef __WXMAC__
 118
 119 #include "morefile.h"
 120 #include "moreextr.h"
 121 #include "fullpath.h"
 122 #include "fspcompa.h"
 123 #endif
 124
 125     IMPLEMENT_DYNAMIC_CLASS(wxPathList, wxStringList)
 126
 127 // ----------------------------------------------------------------------------
 128 // private globals
 129 // ----------------------------------------------------------------------------
 130
 131 static wxChar wxFileFunctionsBuffer[4*_MAXPATHLEN];
 132
 133 #if defined(__VISAGECPP__) && __IBMCPP__ >= 400
 134 //
 135 // VisualAge C++ V4.0 cannot have any external linkage const decs
 136 // in headers included by more than one primary source
 137 //
 138 const off_t wxInvalidOffset = (off_t)-1;
 139 #endif
 140
 141 // ============================================================================
 142 // implementation
 143 // ============================================================================
 144
 145 void wxPathList::Add (const wxString& path)
 146 {
 147     wxStringList::Add (WXSTRINGCAST path);
 148 }
 149
 150 // Add paths e.g. from the PATH environment variable
 151 void wxPathList::AddEnvList (const wxString& envVariable)
 152 {
 153   static const wxChar PATH_TOKS[] =
 154 #ifdef __WINDOWS__
 155         wxT(" ;"); // Don't seperate with colon in DOS (used for drive)
 156 #else
 157         wxT(" :;");
 158 #endif
 159
 160   wxChar *val = wxGetenv (WXSTRINGCAST envVariable);
 161   if (val && *val)
 162     {
 163       wxChar *s = copystring (val);
 164       wxChar *save_ptr, *token = wxStrtok (s, PATH_TOKS, &save_ptr);
 165
 166       if (token)
 167       {
 168           Add (copystring (token));
 169           while (token)
 170           {
 171               if ((token = wxStrtok ((wxChar *) NULL, PATH_TOKS, &save_ptr)) != NULL)
 172                   Add (wxString(token));
 173           }
 174       }
 175
 176       // suppress warning about unused variable save_ptr when wxStrtok() is a
 177       // macro which throws away its third argument
 178       save_ptr = token;
 179
 180       delete [] s;
 181     }
 182 }
 183
 184 // Given a full filename (with path), ensure that that file can
 185 // be accessed again USING FILENAME ONLY by adding the path
 186 // to the list if not already there.
 187 void wxPathList::EnsureFileAccessible (const wxString& path)
 188 {
 189     wxString path_only(wxPathOnly(path));
 190     if ( !path_only.IsEmpty() )
 191     {
 192         if ( !Member(path_only) )
 193             Add(path_only);
 194     }
 195 }
 196
 197 bool wxPathList::Member (const wxString& path)
 198 {
 199   for (wxNode * node = First (); node != NULL; node = node->Next ())
 200   {
 201       wxString path2((wxChar *) node->Data ());
 202       if (
 203 #if defined(__WINDOWS__) || defined(__VMS__) || defined (__WXMAC__)
 204       // Case INDEPENDENT
 205           path.CompareTo (path2, wxString::ignoreCase) == 0
 206 #else
 207       // Case sensitive File System
 208           path.CompareTo (path2) == 0
 209 #endif
 210         )
 211         return TRUE;
 212   }
 213   return FALSE;
 214 }
 215
 216 wxString wxPathList::FindValidPath (const wxString& file)
 217 {
 218   if (wxFileExists (wxExpandPath(wxFileFunctionsBuffer, file)))
 219     return wxString(wxFileFunctionsBuffer);
 220
 221   wxChar buf[_MAXPATHLEN];
 222   wxStrcpy(buf, wxFileFunctionsBuffer);
 223
 224   wxChar *filename = (wxChar*) NULL; /* shut up buggy egcs warning */
 225   filename = IsAbsolutePath (buf) ? wxFileNameFromPath (buf) : (wxChar *)buf;
 226
 227   for (wxNode * node = First (); node; node = node->Next ())
 228     {
 229       wxChar *path = (wxChar *) node->Data ();
 230       wxStrcpy (wxFileFunctionsBuffer, path);
 231       wxChar ch = wxFileFunctionsBuffer[wxStrlen(wxFileFunctionsBuffer)-1];
 232       if (ch != wxT('\\') && ch != wxT('/'))
 233         wxStrcat (wxFileFunctionsBuffer, wxT("/"));
 234       wxStrcat (wxFileFunctionsBuffer, filename);
 235 #ifdef __WINDOWS__
 236       Unix2DosFilename (wxFileFunctionsBuffer);
 237 #endif
 238       if (wxFileExists (wxFileFunctionsBuffer))
 239       {
 240         return wxString(wxFileFunctionsBuffer);        // Found!
 241       }
 242     }                                // for()
 243
 244   return wxString(wxT(""));                    // Not found
 245 }
 246
 247 wxString wxPathList::FindAbsoluteValidPath (const wxString& file)
 248 {
 249     wxString f = FindValidPath(file);
 250     if ( wxIsAbsolutePath(f) )
 251         return f;
 252
 253     wxString buf;
 254     wxGetWorkingDirectory(buf.GetWriteBuf(_MAXPATHLEN), _MAXPATHLEN - 1);
 255     buf.UngetWriteBuf();
 256     if ( !wxEndsWithPathSeparator(buf) )
 257     {
 258         buf += wxFILE_SEP_PATH;
 259     }
 260     buf += f;
 261
 262     return buf;
 263 }
 264
 265 bool
 266 wxFileExists (const wxString& filename)
 267 {
 268 #ifdef __GNUWIN32__ // (fix a B20 bug)
 269   if (GetFileAttributes(filename) == 0xFFFFFFFF)
 270     return FALSE;
 271   else
 272     return TRUE;
 273 #elif defined(__WXMAC__)
 274           struct stat stbuf;
 275         if (filename && stat (wxUnix2MacFilename(filename), &stbuf) == 0 )
 276           return TRUE;
 277     return FALSE ;
 278 #else
 279
 280 #ifdef __SALFORDC__
 281   struct _stat stbuf;
 282 #else
 283   struct stat stbuf;
 284 #endif
 285
 286   if ((filename != wxT("")) && stat (wxFNSTRINGCAST filename.fn_str(), &stbuf) == 0)
 287     return TRUE;
 288   return FALSE;
 289 #endif
 290 }
 291
 292 /* Vadim's alternative implementation
 293
 294 // does the file exist?
 295 bool wxFileExists(const char *pszFileName)
 296 {
 297   struct stat st;
 298   return !access(pszFileName, 0) &&
 299          !stat(pszFileName, &st) &&
 300          (st.st_mode & S_IFREG);
 301 }
 302 */
 303
 304 bool
 305 wxIsAbsolutePath (const wxString& filename)
 306 {
 307   if (filename != wxT(""))
 308     {
 309       if (filename[0] == wxT('/')
 310 #ifdef __VMS__
 311       || (filename[0] == wxT('[') && filename[1] != wxT('.'))
 312 #endif
 313 #ifdef __WINDOWS__
 314       /* MSDOS */
 315       || filename[0] == wxT('\\') || (wxIsalpha (filename[0]) && filename[1] == wxT(':'))
 316 #endif
 317         )
 318         return TRUE;
 319     }
 320   return FALSE;
 321 }
 322
 323 /*
 324  * Strip off any extension (dot something) from end of file,
 325  * IF one exists. Inserts zero into buffer.
 326  *
 327  */
 328
 329 void wxStripExtension(wxChar *buffer)
 330 {
 331   int len = wxStrlen(buffer);
 332   int i = len-1;
 333   while (i > 0)
 334   {
 335     if (buffer[i] == wxT('.'))
 336     {
 337       buffer[i] = 0;
 338       break;
 339     }
 340     i --;
 341   }
 342 }
 343
 344 void wxStripExtension(wxString& buffer)
 345 {
 346   size_t len = buffer.Length();
 347   size_t i = len-1;
 348   while (i > 0)
 349   {
 350     if (buffer.GetChar(i) == wxT('.'))
 351     {
 352       buffer = buffer.Left(i);
 353       break;
 354     }
 355     i --;
 356   }
 357 }
 358
 359 // Destructive removal of /./ and /../ stuff
 360 wxChar *wxRealPath (wxChar *path)
 361 {
 362 #ifdef __WXMSW__
 363   static const wxChar SEP = wxT('\\');
 364   Unix2DosFilename(path);
 365 #else
 366   static const wxChar SEP = wxT('/');
 367 #endif
 368   if (path[0] && path[1]) {
 369     /* MATTHEW: special case "/./x" */
 370     wxChar *p;
 371     if (path[2] == SEP && path[1] == wxT('.'))
 372       p = &path[0];
 373     else
 374       p = &path[2];
 375     for (; *p; p++)
 376       {
 377         if (*p == SEP)
 378           {
 379             if (p[1] == wxT('.') && p[2] == wxT('.') && (p[3] == SEP || p[3] == wxT('\0')))
 380               {
 381                 wxChar *q;
 382                 for (q = p - 1; q >= path && *q != SEP; q--);
 383                 if (q[0] == SEP && (q[1] != wxT('.') || q[2] != wxT('.') || q[3] != SEP)
 384                     && (q - 1 <= path || q[-1] != SEP))
 385                   {
 386                     wxStrcpy (q, p + 3);
 387                     if (path[0] == wxT('\0'))
 388                       {
 389                         path[0] = SEP;
 390                         path[1] = wxT('\0');
 391                       }
 392 #ifdef __WXMSW__
 393                     /* Check that path[2] is NULL! */
 394                     else if (path[1] == wxT(':') && !path[2])
 395                       {
 396                         path[2] = SEP;
 397                         path[3] = wxT('\0');
 398                       }
 399 #endif
 400                     p = q - 1;
 401                   }
 402               }
 403             else if (p[1] == wxT('.') && (p[2] == SEP || p[2] == wxT('\0')))
 404               wxStrcpy (p, p + 2);
 405           }
 406       }
 407   }
 408   return path;
 409 }
 410
 411 // Must be destroyed
 412 wxChar *wxCopyAbsolutePath(const wxString& filename)
 413 {
 414   if (filename == wxT(""))
 415     return (wxChar *) NULL;
 416
 417   if (! IsAbsolutePath(wxExpandPath(wxFileFunctionsBuffer, filename))) {
 418     wxChar  buf[_MAXPATHLEN];
 419     buf[0] = wxT('\0');
 420     wxGetWorkingDirectory(buf, WXSIZEOF(buf));
 421     wxChar ch = buf[wxStrlen(buf) - 1];
 422 #ifdef __WXMSW__
 423     if (ch != wxT('\\') && ch != wxT('/'))
 424         wxStrcat(buf, wxT("\\"));
 425 #else
 426     if (ch != wxT('/'))
 427         wxStrcat(buf, wxT("/"));
 428 #endif
 429     wxStrcat(buf, wxFileFunctionsBuffer);
 430     return copystring( wxRealPath(buf) );
 431   }
 432   return copystring( wxFileFunctionsBuffer );
 433 }
 434
 435 /*-
 436  Handles:
 437    ~/ => home dir
 438    ~user/ => user's home dir
 439    If the environment variable a = "foo" and b = "bar" then:
 440    Unix:
 441         $a        =>        foo
 442         $a$b        =>        foobar
 443         $a.c        =>        foo.c
 444         xxx$a        =>        xxxfoo
 445         ${a}!        =>        foo!
 446         $(b)!        =>        bar!
 447         \$a        =>        \$a
 448    MSDOS:
 449         $a        ==>        $a
 450         $(a)        ==>        foo
 451         $(a)$b        ==>        foo$b
 452         $(a)$(b)==>        foobar
 453         test.$$        ==>        test.$$
 454  */
 455
 456 /* input name in name, pathname output to buf. */
 457
 458 wxChar *wxExpandPath(wxChar *buf, const wxChar *name)
 459 {
 460     register wxChar *d, *s, *nm;
 461     wxChar          lnm[_MAXPATHLEN];
 462     int                                q;
 463
 464     // Some compilers don't like this line.
 465 //    const wxChar    trimchars[] = wxT("\n \t");
 466
 467     wxChar      trimchars[4];
 468     trimchars[0] = wxT('\n');
 469     trimchars[1] = wxT(' ');
 470     trimchars[2] = wxT('\t');
 471     trimchars[3] = 0;
 472
 473 #ifdef __WXMSW__
 474      const wxChar     SEP = wxT('\\');
 475 #else
 476      const wxChar     SEP = wxT('/');
 477 #endif
 478     buf[0] = wxT('\0');
 479     if (name == NULL || *name == wxT('\0'))
 480         return buf;
 481     nm = copystring(name); // Make a scratch copy
 482     wxChar *nm_tmp = nm;
 483
 484     /* Skip leading whitespace and cr */
 485     while (wxStrchr((wxChar *)trimchars, *nm) != NULL)
 486         nm++;
 487     /* And strip off trailing whitespace and cr */
 488     s = nm + (q = wxStrlen(nm)) - 1;
 489     while (q-- && wxStrchr((wxChar *)trimchars, *s) != NULL)
 490         *s = wxT('\0');
 491
 492     s = nm;
 493     d = lnm;
 494 #ifdef __WXMSW__
 495     q = FALSE;
 496 #else
 497     q = nm[0] == wxT('\\') && nm[1] == wxT('~');
 498 #endif
 499
 500     /* Expand inline environment variables */
 501 #ifdef __VISAGECPP__
 502     while (*d)
 503     {
 504       *d++ = *s;
 505       if(*s == wxT('\\'))
 506       {
 507         *(d - 1) = *++s;
 508         if (*d)
 509         {
 510           s++;
 511           continue;
 512         }
 513         else
 514            break;
 515       }
 516       else
 517 #else
 518     while ((*d++ = *s)) {
 519 #  ifndef __WXMSW__
 520         if (*s == wxT('\\')) {
 521             if ((*(d - 1) = *++s)) {
 522                 s++;
 523                 continue;
 524             } else
 525                 break;
 526         } else
 527 #  endif
 528 #endif
 529 #ifdef __WXMSW__
 530         if (*s++ == wxT('$') && (*s == wxT('{') || *s == wxT(')')))
 531 #else
 532         if (*s++ == wxT('$'))
 533 #endif
 534         {
 535             register wxChar  *start = d;
 536             register int     braces = (*s == wxT('{') || *s == wxT('('));
 537             register wxChar  *value;
 538 #ifdef __VISAGECPP__
 539     // VA gives assignment in logical expr warning
 540             while (*d)
 541                *d++ = *s;
 542 #else
 543             while ((*d++ = *s))
 544 #endif
 545                 if (braces ? (*s == wxT('}') || *s == wxT(')')) : !(wxIsalnum(*s) || *s == wxT('_')) )
 546                     break;
 547                 else
 548                     s++;
 549             *--d = 0;
 550             value = wxGetenv(braces ? start + 1 : start);
 551             if (value) {
 552 #ifdef __VISAGECPP__
 553     // VA gives assignment in logical expr warning
 554                 for ((d = start - 1); (*d); *d++ = *value++);
 555 #else
 556                 for ((d = start - 1); (*d++ = *value++););
 557 #endif
 558                 d--;
 559                 if (braces && *s)
 560                     s++;
 561             }
 562         }
 563     }
 564
 565     /* Expand ~ and ~user */
 566     nm = lnm;
 567     s = wxT("");
 568     if (nm[0] == wxT('~') && !q)
 569     {
 570         /* prefix ~ */
 571         if (nm[1] == SEP || nm[1] == 0)
 572         {        /* ~/filename */
 573             // FIXME: wxGetUserHome could return temporary storage in Unicode mode
 574             if ((s = WXSTRINGCAST wxGetUserHome(wxT(""))) != NULL) {
 575                 if (*++nm)
 576                     nm++;
 577             }
 578         } else
 579         {                /* ~user/filename */
 580             register wxChar  *nnm;
 581             register wxChar  *home;
 582             for (s = nm; *s && *s != SEP; s++);
 583             int was_sep; /* MATTHEW: Was there a separator, or NULL? */
 584             was_sep = (*s == SEP);
 585             nnm = *s ? s + 1 : s;
 586             *s = 0;
 587             // FIXME: wxGetUserHome could return temporary storage in Unicode mode
 588             if ((home = WXSTRINGCAST wxGetUserHome(wxString(nm + 1))) == NULL) {
 589                if (was_sep) /* replace only if it was there: */
 590                    *s = SEP;
 591                 s = wxT("");
 592             } else {
 593                 nm = nnm;
 594                 s = home;
 595             }
 596         }
 597     }
 598
 599     d = buf;
 600     if (s && *s) { /* MATTHEW: s could be NULL if user '~' didn't exist */
 601         /* Copy home dir */
 602         while (wxT('\0') != (*d++ = *s++))
 603           /* loop */;
 604         // Handle root home
 605         if (d - 1 > buf && *(d - 2) != SEP)
 606           *(d - 1) = SEP;
 607     }
 608     s = nm;
 609 #ifdef __VISAGECPP__
 610     // VA gives assignment in logical expr warning
 611     while (*d)
 612        *d++ = *s++;
 613 #else
 614     while ((*d++ = *s++));
 615 #endif
 616     delete[] nm_tmp; // clean up alloc
 617     /* Now clean up the buffer */
 618     return wxRealPath(buf);
 619 }
 620
 621 /* Contract Paths to be build upon an environment variable
 622    component:
 623
 624    example: "/usr/openwin/lib", OPENWINHOME --> ${OPENWINHOME}/lib
 625
 626    The call wxExpandPath can convert these back!
 627  */
 628 wxChar *
 629 wxContractPath (const wxString& filename, const wxString& envname, const wxString& user)
 630 {
 631   static wxChar dest[_MAXPATHLEN];
 632
 633   if (filename == wxT(""))
 634     return (wxChar *) NULL;
 635
 636   wxStrcpy (dest, WXSTRINGCAST filename);
 637 #ifdef __WXMSW__
 638   Unix2DosFilename(dest);
 639 #endif
 640
 641   // Handle environment
 642   const wxChar *val = (const wxChar *) NULL;
 643   wxChar *tcp = (wxChar *) NULL;
 644   if (envname != WXSTRINGCAST NULL && (val = wxGetenv (WXSTRINGCAST envname)) != NULL &&
 645      (tcp = wxStrstr (dest, val)) != NULL)
 646     {
 647         wxStrcpy (wxFileFunctionsBuffer, tcp + wxStrlen (val));
 648         *tcp++ = wxT('$');
 649         *tcp++ = wxT('{');
 650         wxStrcpy (tcp, WXSTRINGCAST envname);
 651         wxStrcat (tcp, wxT("}"));
 652         wxStrcat (tcp, wxFileFunctionsBuffer);
 653     }
 654
 655   // Handle User's home (ignore root homes!)
 656   size_t len = 0;
 657   if ((val = wxGetUserHome (user)) != NULL &&
 658       (len = wxStrlen(val)) > 2 &&
 659       wxStrncmp(dest, val, len) == 0)
 660     {
 661       wxStrcpy(wxFileFunctionsBuffer, wxT("~"));
 662       if (user != wxT(""))
 663              wxStrcat(wxFileFunctionsBuffer, (const wxChar*) user);
 664 #ifdef __WXMSW__
 665 //      strcat(wxFileFunctionsBuffer, "\\");
 666 #else
 667 //      strcat(wxFileFunctionsBuffer, "/");
 668 #endif
 669       wxStrcat(wxFileFunctionsBuffer, dest + len);
 670       wxStrcpy (dest, wxFileFunctionsBuffer);
 671     }
 672
 673   return dest;
 674 }
 675
 676 // Return just the filename, not the path
 677 // (basename)
 678 wxChar *wxFileNameFromPath (wxChar *path)
 679 {
 680   if (path)
 681     {
 682       register wxChar *tcp;
 683
 684       tcp = path + wxStrlen (path);
 685       while (--tcp >= path)
 686         {
 687           if (*tcp == wxT('/') || *tcp == wxT('\\')
 688 #ifdef __VMS__
 689      || *tcp == wxT(':') || *tcp == wxT(']'))
 690 #else
 691      )
 692 #endif
 693             return tcp + 1;
 694         }                        /* while */
 695 #if defined(__WXMSW__) || defined(__WXPM__)
 696       if (wxIsalpha (*path) && *(path + 1) == wxT(':'))
 697         return path + 2;
 698 #endif
 699     }
 700   return path;
 701 }
 702
 703 wxString wxFileNameFromPath (const wxString& path1)
 704 {
 705   if (path1 != wxT(""))
 706   {
 707
 708       wxChar *path = WXSTRINGCAST path1 ;
 709       register wxChar *tcp;
 710
 711       tcp = path + wxStrlen (path);
 712       while (--tcp >= path)
 713           {
 714             if (*tcp == wxT('/') || *tcp == wxT('\\')
 715 #ifdef __VMS__
 716         || *tcp == wxT(':') || *tcp == wxT(']'))
 717 #else
 718         )
 719 #endif
 720                 return wxString(tcp + 1);
 721             }                        /* while */
 722 #if defined(__WXMSW__) || defined(__WXPM__)
 723       if (wxIsalpha (*path) && *(path + 1) == wxT(':'))
 724             return wxString(path + 2);
 725 #endif
 726     }
 727   // Yes, this should return the path, not an empty string, otherwise
 728   // we get "thing.txt" -> "".
 729   return path1;
 730 }
 731
 732 // Return just the directory, or NULL if no directory
 733 wxChar *
 734 wxPathOnly (wxChar *path)
 735 {
 736   if (path && *path)
 737     {
 738       static wxChar buf[_MAXPATHLEN];
 739
 740       // Local copy
 741       wxStrcpy (buf, path);
 742
 743       int l = wxStrlen(path);
 744       bool done = FALSE;
 745
 746       int i = l - 1;
 747
 748       // Search backward for a backward or forward slash
 749       while (!done && i > -1)
 750       {
 751         // ] is for VMS
 752         if (path[i] == wxT('/') || path[i] == wxT('\\') || path[i] == wxT(']'))
 753         {
 754           done = TRUE;
 755 #ifdef __VMS__
 756           buf[i+1] = 0;
 757 #else
 758           buf[i] = 0;
 759 #endif
 760
 761           return buf;
 762         }
 763         else i --;
 764       }
 765
 766 #if defined(__WXMSW__) || defined(__WXPM__)
 767       // Try Drive specifier
 768       if (wxIsalpha (buf[0]) && buf[1] == wxT(':'))
 769         {
 770           // A:junk --> A:. (since A:.\junk Not A:\junk)
 771           buf[2] = wxT('.');
 772           buf[3] = wxT('\0');
 773           return buf;
 774         }
 775 #endif
 776     }
 777
 778   return (wxChar *) NULL;
 779 }
 780
 781 // Return just the directory, or NULL if no directory
 782 wxString wxPathOnly (const wxString& path)
 783 {
 784   if (path != wxT(""))
 785     {
 786       wxChar buf[_MAXPATHLEN];
 787
 788       // Local copy
 789       wxStrcpy (buf, WXSTRINGCAST path);
 790
 791       int l = path.Length();
 792       bool done = FALSE;
 793
 794       int i = l - 1;
 795
 796       // Search backward for a backward or forward slash
 797       while (!done && i > -1)
 798       {
 799         // ] is for VMS
 800         if (path[i] == wxT('/') || path[i] == wxT('\\') || path[i] == wxT(']'))
 801         {
 802           done = TRUE;
 803 #ifdef __VMS__
 804           buf[i+1] = 0;
 805 #else
 806           buf[i] = 0;
 807 #endif
 808
 809           return wxString(buf);
 810         }
 811         else i --;
 812       }
 813
 814 #if defined(__WXMSW__) || defined(__WXPM__)
 815       // Try Drive specifier
 816       if (wxIsalpha (buf[0]) && buf[1] == wxT(':'))
 817         {
 818           // A:junk --> A:. (since A:.\junk Not A:\junk)
 819           buf[2] = wxT('.');
 820           buf[3] = wxT('\0');
 821           return wxString(buf);
 822         }
 823 #endif
 824     }
 825
 826   return wxString(wxT(""));
 827 }
 828
 829 // Utility for converting delimiters in DOS filenames to UNIX style
 830 // and back again - or we get nasty problems with delimiters.
 831 // Also, convert to lower case, since case is significant in UNIX.
 832
 833 #ifdef __WXMAC__
 834
 835 static char sMacFileNameConversion[ 1000 ] ;
 836
 837 wxString wxMac2UnixFilename (const char *str)
 838 {
 839         char *s = sMacFileNameConversion ;
 840         strcpy( s , str ) ;
 841   if (s)
 842   {
 843     memmove( s+1 , s ,strlen( s ) + 1) ;
 844     if ( *s == ':' )
 845             *s = '.' ;
 846     else
 847             *s = '/' ;
 848
 849     while (*s)
 850     {
 851             if (*s == ':')
 852               *s = '/';
 853             else
 854               *s = wxTolower (*s);        // Case INDEPENDENT
 855             s++;
 856     }
 857   }
 858   return wxString (sMacFileNameConversion) ;
 859 }
 860
 861 wxString wxUnix2MacFilename (const char *str)
 862 {
 863         char *s = sMacFileNameConversion ;
 864         strcpy( s , str ) ;
 865   if (s)
 866   {
 867     if ( *s == '.' )
 868     {
 869       // relative path , since it goes on with slash which is translated to a :
 870       memmove( s , s+1 ,strlen( s ) ) ;
 871     }
 872     else if ( *s == '/' )
 873     {
 874       // absolute path -> on mac just start with the drive name
 875       memmove( s , s+1 ,strlen( s ) ) ;
 876     }
 877     else
 878     {
 879       wxASSERT_MSG( 1 , "unkown path beginning" ) ;
 880     }
 881     while (*s)
 882     {
 883       if (*s == '/' || *s == '\\')
 884       {
 885         // convert any back-directory situations
 886         if ( *(s+1) == '.' && *(s+2) == '.' && ( (*(s+3) == '/' || *(s+3) == '\\') ) )
 887         {
 888           *s = ':';
 889                         memmove( s+1 , s+3 ,strlen( s+3 ) + 1 ) ;
 890         }
 891         else
 892           *s = ':';
 893       }
 894
 895       s++ ;
 896     }
 897   }
 898   return wxString (sMacFileNameConversion) ;
 899 }
 900
 901 wxString wxMacFSSpec2MacFilename( const FSSpec *spec )
 902 {
 903         Handle  myPath ;
 904         short   length ;
 905
 906         FSpGetFullPath( spec , &length , &myPath ) ;
 907         ::SetHandleSize( myPath , length + 1 ) ;
 908         ::HLock( myPath ) ;
 909         (*myPath)[length] = 0 ;
 910         if ( length > 0 && (*myPath)[length-1] ==':' )
 911                 (*myPath)[length-1] = 0 ;
 912
 913         wxString result(        (char*) *myPath ) ;
 914         ::HUnlock( myPath ) ;
 915         ::DisposeHandle( myPath ) ;
 916         return result ;
 917 }
 918
 919 wxString wxMacFSSpec2UnixFilename( const FSSpec *spec )
 920 {
 921         return wxMac2UnixFilename( wxMacFSSpec2MacFilename( spec) ) ;
 922 }
 923
 924 void wxMacFilename2FSSpec( const char *path , FSSpec *spec )
 925 {
 926         FSpLocationFromFullPath( strlen(path ) , path , spec ) ;
 927 }
 928
 929 void wxUnixFilename2FSSpec( const char *path , FSSpec *spec )
 930 {
 931         wxString var = wxUnix2MacFilename( path ) ;
 932         wxMacFilename2FSSpec( var , spec ) ;
 933 }
 934
 935 #endif
 936 void
 937 wxDos2UnixFilename (char *s)
 938 {
 939   if (s)
 940     while (*s)
 941       {
 942         if (*s == '\\')
 943           *s = '/';
 944 #ifdef __WXMSW__
 945         else
 946           *s = wxTolower (*s);        // Case INDEPENDENT
 947 #endif
 948         s++;
 949       }
 950 }
 951
 952 void
 953 #if defined(__WXMSW__) || defined(__WXPM__)
 954 wxUnix2DosFilename (wxChar *s)
 955 #else
 956 wxUnix2DosFilename (wxChar *WXUNUSED(s) )
 957 #endif
 958 {
 959 // Yes, I really mean this to happen under DOS only! JACS
 960 #if defined(__WXMSW__) || defined(__WXPM__)
 961   if (s)
 962     while (*s)
 963       {
 964         if (*s == wxT('/'))
 965           *s = wxT('\\');
 966         s++;
 967       }
 968 #endif
 969 }
 970
 971 // Concatenate two files to form third
 972 bool
 973 wxConcatFiles (const wxString& file1, const wxString& file2, const wxString& file3)
 974 {
 975   wxChar *outfile = wxGetTempFileName("cat");
 976
 977   FILE *fp1 = (FILE *) NULL;
 978   FILE *fp2 = (FILE *) NULL;
 979   FILE *fp3 = (FILE *) NULL;
 980   // Open the inputs and outputs
 981 #ifdef __WXMAC__
 982   if ((fp1 = fopen (wxUnix2MacFilename( file1 ), "rb")) == NULL ||
 983       (fp2 = fopen (wxUnix2MacFilename( file2 ), "rb")) == NULL ||
 984       (fp3 = fopen (wxUnix2MacFilename( outfile ), "wb")) == NULL)
 985 #else
 986   if ((fp1 = wxFopen (WXSTRINGCAST file1, wxT("rb"))) == NULL ||
 987       (fp2 = wxFopen (WXSTRINGCAST file2, wxT("rb"))) == NULL ||
 988       (fp3 = wxFopen (outfile, wxT("wb"))) == NULL)
 989 #endif
 990     {
 991       if (fp1)
 992         fclose (fp1);
 993       if (fp2)
 994         fclose (fp2);
 995       if (fp3)
 996         fclose (fp3);
 997       return FALSE;
 998     }
 999
1000   int ch;
1001   while ((ch = getc (fp1)) != EOF)
1002     (void) putc (ch, fp3);
1003   fclose (fp1);
1004
1005   while ((ch = getc (fp2)) != EOF)
1006     (void) putc (ch, fp3);
1007   fclose (fp2);
1008
1009   fclose (fp3);
1010   bool result = wxRenameFile(outfile, file3);
1011   delete[] outfile;
1012   return result;
1013 }
1014
1015 // Copy files
1016 bool
1017 wxCopyFile (const wxString& file1, const wxString& file2)
1018 {
1019   FILE *fd1;
1020   FILE *fd2;
1021   int ch;
1022
1023 #ifdef __WXMAC__
1024   if ((fd1 = fopen (wxUnix2MacFilename( file1 ), "rb")) == NULL)
1025     return FALSE;
1026   if ((fd2 = fopen (wxUnix2MacFilename( file2 ), "wb")) == NULL)
1027 #else
1028   if ((fd1 = wxFopen (WXSTRINGCAST file1, wxT("rb"))) == NULL)
1029     return FALSE;
1030   if ((fd2 = wxFopen (WXSTRINGCAST file2, wxT("wb"))) == NULL)
1031 #endif
1032     {
1033       fclose (fd1);
1034       return FALSE;
1035     }
1036
1037   while ((ch = getc (fd1)) != EOF)
1038     (void) putc (ch, fd2);
1039
1040   fclose (fd1);
1041   fclose (fd2);
1042   return TRUE;
1043 }
1044
1045 bool
1046 wxRenameFile (const wxString& file1, const wxString& file2)
1047 {
1048 #ifdef __WXMAC__
1049   if (0 == rename (wxUnix2MacFilename( file1 ), wxUnix2MacFilename( file2 )))
1050     return TRUE;
1051 #else
1052   // Normal system call
1053   if (0 == rename (wxFNSTRINGCAST file1.fn_str(), wxFNSTRINGCAST file2.fn_str()))
1054     return TRUE;
1055 #endif
1056   // Try to copy
1057   if (wxCopyFile(file1, file2)) {
1058     wxRemoveFile(file1);
1059     return TRUE;
1060   }
1061   // Give up
1062   return FALSE;
1063 }
1064
1065 bool wxRemoveFile(const wxString& file)
1066 {
1067 #if defined(__VISUALC__) || defined(__BORLANDC__) || defined(__WATCOMC__)
1068   int flag = remove(wxFNSTRINGCAST file.fn_str());
1069 #elif defined( __WXMAC__ )
1070   int flag = unlink(wxUnix2MacFilename( file ));
1071 #else
1072   int flag = unlink(wxFNSTRINGCAST file.fn_str());
1073 #endif
1074   return (flag == 0) ;
1075 }
1076
1077 bool wxMkdir(const wxString& dir, int perm)
1078 {
1079 #if defined( __WXMAC__ )
1080   return (mkdir(wxUnix2MacFilename( dir ) , 0 ) == 0);
1081 #else // !Mac
1082     const wxChar *dirname = dir.c_str();
1083
1084     // assume mkdir() has 2 args on non Windows-OS/2 platforms and on Windows too
1085     // for the GNU compiler
1086 #if (!(defined(__WXMSW__) || defined(__OS2__))) || (defined(__GNUWIN32__) && !defined(__MINGW32__)) || defined(__WXWINE__)
1087     if ( mkdir(wxFNCONV(dirname), perm) != 0 )
1088 #else  // !MSW and !OS/2 VAC++
1089     if ( mkdir(wxFNSTRINGCAST wxFNCONV(dirname)) != 0 )
1090 #endif // !MSW/MSW
1091     {
1092         wxLogSysError(_("Directory '%s' couldn't be created"), dirname);
1093
1094         return FALSE;
1095     }
1096
1097     return TRUE;
1098 #endif // Mac/!Mac
1099 }
1100
1101 bool wxRmdir(const wxString& dir, int WXUNUSED(flags))
1102 {
1103 #ifdef __VMS__
1104   return FALSE; //to be changed since rmdir exists in VMS7.x
1105 #elif defined( __WXMAC__ )
1106   return (rmdir(wxUnix2MacFilename( dir )) == 0);
1107 #else
1108
1109 #ifdef __SALFORDC__
1110   return FALSE; // What to do?
1111 #else
1112   return (rmdir(wxFNSTRINGCAST dir.fn_str()) == 0);
1113 #endif
1114
1115 #endif
1116 }
1117
1118 #if 0
1119 bool wxDirExists(const wxString& dir)
1120 {
1121 #ifdef __VMS__
1122   return FALSE; //To be changed since stat exists in VMS7.x
1123 #elif !defined(__WXMSW__)
1124   struct stat sbuf;
1125   return (stat(dir.fn_str(), &sbuf) != -1) && S_ISDIR(sbuf.st_mode) ? TRUE : FALSE;
1126 #else
1127
1128   /* MATTHEW: [6] Always use same code for Win32, call FindClose */
1129 #if defined(__WIN32__)
1130   WIN32_FIND_DATA fileInfo;
1131 #else
1132 #ifdef __BORLANDC__
1133   struct ffblk fileInfo;
1134 #else
1135   struct find_t fileInfo;
1136 #endif
1137 #endif
1138
1139 #if defined(__WIN32__)
1140         HANDLE h = FindFirstFile((LPTSTR) WXSTRINGCAST dir,(LPWIN32_FIND_DATA)&fileInfo);
1141
1142         if (h==INVALID_HANDLE_VALUE)
1143          return FALSE;
1144         else {
1145          FindClose(h);
1146          return ((fileInfo.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) == FILE_ATTRIBUTE_DIRECTORY);
1147         }
1148 #else
1149   // In Borland findfirst has a different argument
1150   // ordering from _dos_findfirst. But _dos_findfirst
1151   // _should_ be ok in both MS and Borland... why not?
1152 #ifdef __BORLANDC__
1153   return ((findfirst(WXSTRINGCAST dir, &fileInfo, _A_SUBDIR) == 0  && (fileInfo.ff_attrib & _A_SUBDIR) != 0));
1154 #else
1155   return (((_dos_findfirst(WXSTRINGCAST dir, _A_SUBDIR, &fileInfo) == 0) && (fileInfo.attrib & _A_SUBDIR)) != 0);
1156 #endif
1157 #endif
1158
1159 #endif
1160 }
1161
1162 #endif
1163
1164 // does the path exists? (may have or not '/' or '\\' at the end)
1165 bool wxPathExists(const wxChar *pszPathName)
1166 {
1167   /* Windows API returns -1 from stat for "c:\dir\" if "c:\dir" exists
1168    * OTOH, we should change "d:" to "d:\" and leave "\" as is. */
1169   wxString strPath(pszPathName);
1170   if ( wxEndsWithPathSeparator(pszPathName) && pszPathName[1] != wxT('\0') )
1171     strPath.Last() = wxT('\0');
1172
1173 #ifdef __SALFORDC__
1174   struct _stat st;
1175 #else
1176   struct stat st;
1177 #endif
1178
1179   return stat(wxFNSTRINGCAST strPath.fn_str(), &st) == 0 && (st.st_mode & S_IFDIR);
1180 }
1181
1182 // Get a temporary filename, opening and closing the file.
1183 wxChar *wxGetTempFileName(const wxString& prefix, wxChar *buf)
1184 {
1185 #ifdef __WINDOWS__
1186
1187 #ifndef        __WIN32__
1188   wxChar tmp[144];
1189   ::GetTempFileName(0, WXSTRINGCAST prefix, 0, tmp);
1190 #else
1191   wxChar tmp[MAX_PATH];
1192   wxChar tmpPath[MAX_PATH];
1193   ::GetTempPath(MAX_PATH, tmpPath);
1194   ::GetTempFileName(tmpPath, WXSTRINGCAST prefix, 0, tmp);
1195 #endif
1196   if (buf) wxStrcpy(buf, tmp);
1197   else buf = copystring(tmp);
1198   return buf;
1199
1200 #else
1201   static short last_temp = 0;        // cache last to speed things a bit
1202   // At most 1000 temp files to a process! We use a ring count.
1203   wxChar tmp[100]; // FIXME static buffer
1204
1205   for (short suffix = last_temp + 1; suffix != last_temp; ++suffix %= 1000)
1206     {
1207       wxSprintf (tmp, wxT("/tmp/%s%d.%03x"), WXSTRINGCAST prefix, (int) getpid (), (int) suffix);
1208       if (!wxFileExists( tmp ))
1209         {
1210           // Touch the file to create it (reserve name)
1211           FILE *fd = fopen (wxFNCONV(tmp), "w");
1212           if (fd)
1213             fclose (fd);
1214           last_temp = suffix;
1215           if (buf)
1216             wxStrcpy( buf, tmp);
1217           else
1218             buf = copystring( tmp );
1219           return buf;
1220         }
1221     }
1222   wxLogError( _("wxWindows: error finding temporary file name.\n") );
1223   if (buf) buf[0] = 0;
1224   return (wxChar *) NULL;
1225 #endif
1226 }
1227
1228 bool wxGetTempFileName(const wxString& prefix, wxString& buf)
1229 {
1230     wxChar buf2[512];
1231     if (wxGetTempFileName(prefix, buf2) != (wxChar*) NULL)
1232     {
1233         buf = buf2;
1234         return TRUE;
1235     }
1236     else
1237         return FALSE;
1238 }
1239
1240 // Get first file name matching given wild card.
1241
1242 #ifdef __UNIX__
1243
1244 // Get first file name matching given wild card.
1245 // Flags are reserved for future use.
1246
1247 #if !defined( __VMS__ ) || ( __VMS_VER >= 70000000 )
1248     static DIR *gs_dirStream = (DIR *) NULL;
1249     static wxString gs_strFileSpec;
1250     static int gs_findFlags = 0;
1251 #endif
1252
1253 wxString wxFindFirstFile(const wxChar *spec, int flags)
1254 {
1255     wxString result;
1256
1257 #if !defined( __VMS__ ) || ( __VMS_VER >= 70000000 )
1258     if (gs_dirStream)
1259         closedir(gs_dirStream); // edz 941103: better housekeping
1260
1261     gs_findFlags = flags;
1262
1263     gs_strFileSpec = spec;
1264
1265     // Find path only so we can concatenate
1266     // found file onto path
1267     wxString path(wxPathOnly(gs_strFileSpec));
1268
1269     // special case: path is really "/"
1270     if ( !path && gs_strFileSpec[0u] == wxT('/') )
1271         path = wxT('/');
1272     // path is empty => Local directory
1273     if ( !path )
1274         path = wxT('.');
1275
1276     gs_dirStream = opendir(path.fn_str());
1277     if ( !gs_dirStream )
1278     {
1279         wxLogSysError(_("Can not enumerate files in directory '%s'"),
1280                       path.c_str());
1281     }
1282     else
1283     {
1284         result = wxFindNextFile();
1285     }
1286 #endif // !VMS6.x or earlier
1287
1288     return result;
1289 }
1290
1291 wxString wxFindNextFile()
1292 {
1293     wxString result;
1294
1295 #if !defined( __VMS__ ) || ( __VMS_VER >= 70000000 )
1296     wxCHECK_MSG( gs_dirStream, result, wxT("must call wxFindFirstFile first") );
1297
1298     // Find path only so we can concatenate
1299     // found file onto path
1300     wxString path(wxPathOnly(gs_strFileSpec));
1301     wxString name(wxFileNameFromPath(gs_strFileSpec));
1302
1303     /* MATTHEW: special case: path is really "/" */
1304     if ( !path && gs_strFileSpec[0u] == wxT('/'))
1305         path = wxT('/');
1306
1307     // Do the reading
1308     struct dirent *nextDir;
1309     for ( nextDir = readdir(gs_dirStream);
1310           nextDir != NULL;
1311           nextDir = readdir(gs_dirStream) )
1312     {
1313         if (wxMatchWild(name, nextDir->d_name, FALSE) &&   // RR: added FALSE to find hidden files
1314             strcmp(nextDir->d_name, ".") &&
1315             strcmp(nextDir->d_name, "..") )
1316         {
1317             result.Empty();
1318             if ( !path.IsEmpty() )
1319             {
1320                 result = path;
1321                 if ( path != wxT('/') )
1322                     result += wxT('/');
1323             }
1324
1325             result += nextDir->d_name;
1326
1327             // Only return "." and ".." when they match
1328             bool isdir;
1329             if ( (strcmp(nextDir->d_name, ".") == 0) ||
1330                  (strcmp(nextDir->d_name, "..") == 0))
1331             {
1332                 if ( (gs_findFlags & wxDIR) != 0 )
1333                     isdir = TRUE;
1334                 else
1335                     continue;
1336             }
1337             else
1338                 isdir = wxDirExists(result);
1339
1340             // and only return directories when flags & wxDIR
1341             if ( !gs_findFlags ||
1342                  ((gs_findFlags & wxDIR) && isdir) ||
1343                  ((gs_findFlags & wxFILE) && !isdir) )
1344             {
1345                 return result;
1346             }
1347         }
1348     }
1349
1350     result.Empty(); // not found
1351
1352     closedir(gs_dirStream);
1353     gs_dirStream = (DIR *) NULL;
1354 #endif // !VMS6.2 or earlier
1355
1356     return result;
1357 }
1358
1359 #elif defined(__WXMAC__)
1360
1361 struct MacDirectoryIterator
1362 {
1363         CInfoPBRec                      m_CPB ;
1364         wxInt16                         m_index ;
1365         long                            m_dirId ;
1366         Str255                          m_name ;
1367 } ;
1368
1369 static int g_iter_flags ;
1370
1371 static MacDirectoryIterator g_iter ;
1372
1373 wxString wxFindFirstFile(const wxChar *spec, int flags)
1374 {
1375     wxString result;
1376
1377     g_iter_flags = flags; /* MATTHEW: [5] Remember flags */
1378
1379     // Find path only so we can concatenate found file onto path
1380     wxString path(wxPathOnly(spec));
1381     if ( !path.IsEmpty() )
1382         result << path << wxT('\\');
1383
1384         FSSpec fsspec ;
1385
1386         wxUnixFilename2FSSpec( result , &fsspec ) ;
1387         g_iter.m_CPB.hFileInfo.ioVRefNum = fsspec.vRefNum ;
1388         g_iter.m_CPB.hFileInfo.ioNamePtr = g_iter.m_name ;
1389         g_iter.m_index = 0 ;
1390
1391         Boolean isDir ;
1392         FSpGetDirectoryID( &fsspec , &g_iter.m_dirId , &isDir ) ;
1393         if ( !isDir )
1394                 return wxEmptyString ;
1395
1396         return wxFindNextFile( ) ;
1397 }
1398
1399 wxString wxFindNextFile()
1400 {
1401     wxString result;
1402
1403         short err = noErr ;
1404
1405         while ( err == noErr )
1406         {
1407                 g_iter.m_index++ ;
1408                 g_iter.m_CPB.dirInfo.ioFDirIndex = g_iter.m_index;
1409                 g_iter.m_CPB.dirInfo.ioDrDirID = g_iter.m_dirId;        /* we need to do this every time */
1410                 err = PBGetCatInfoSync((CInfoPBPtr)&g_iter.m_CPB);
1411                 if ( err != noErr )
1412                         break ;
1413
1414                 if ( ( g_iter.m_CPB.dirInfo.ioFlAttrib & ioDirMask) != 0 && (g_iter_flags & wxDIR) ) //  we have a directory
1415                         break ;
1416
1417                 if ( ( g_iter.m_CPB.dirInfo.ioFlAttrib & ioDirMask) == 0 && !(g_iter_flags & wxFILE ) )
1418                         continue ;
1419
1420                 // hit !
1421                 break ;
1422         }
1423         if ( err != noErr )
1424         {
1425                 return wxEmptyString ;
1426         }
1427         FSSpec spec ;
1428
1429         FSMakeFSSpecCompat(g_iter.m_CPB.hFileInfo.ioVRefNum,
1430                                                                    g_iter.m_dirId,
1431                                                                    g_iter.m_name,
1432                                                                    &spec) ;
1433
1434         return wxMacFSSpec2UnixFilename( &spec ) ;
1435 }
1436
1437 #elif defined(__WXMSW__)
1438
1439 #ifdef __WIN32__
1440     static HANDLE gs_hFileStruct = INVALID_HANDLE_VALUE;
1441     static WIN32_FIND_DATA gs_findDataStruct;
1442 #else // Win16
1443     #ifdef __BORLANDC__
1444         static struct ffblk gs_findDataStruct;
1445     #else
1446         static struct _find_t gs_findDataStruct;
1447     #endif // Borland
1448 #endif // Win32/16
1449
1450 static wxString gs_strFileSpec;
1451 static int gs_findFlags = 0;
1452
1453 wxString wxFindFirstFile(const wxChar *spec, int flags)
1454 {
1455     wxString result;
1456
1457     gs_strFileSpec = spec;
1458     gs_findFlags = flags; /* MATTHEW: [5] Remember flags */
1459
1460     // Find path only so we can concatenate found file onto path
1461     wxString path(wxPathOnly(gs_strFileSpec));
1462     if ( !path.IsEmpty() )
1463         result << path << wxT('\\');
1464
1465 #ifdef __WIN32__
1466     if ( gs_hFileStruct != INVALID_HANDLE_VALUE )
1467         FindClose(gs_hFileStruct);
1468
1469     gs_hFileStruct = ::FindFirstFile(WXSTRINGCAST spec, &gs_findDataStruct);
1470
1471     if ( gs_hFileStruct == INVALID_HANDLE_VALUE )
1472     {
1473         result.Empty();
1474
1475         return result;
1476     }
1477
1478     bool isdir = !!(gs_findDataStruct.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY);
1479
1480     if (isdir && !(flags & wxDIR))
1481         return wxFindNextFile();
1482     else if (!isdir && flags && !(flags & wxFILE))
1483         return wxFindNextFile();
1484
1485     result += gs_findDataStruct.cFileName;
1486
1487     return result;
1488 #else
1489     int flag = _A_NORMAL;
1490     if (flags & wxDIR) /* MATTHEW: [5] Use & */
1491         flag = _A_SUBDIR;
1492
1493 #ifdef __BORLANDC__
1494     if (findfirst(WXSTRINGCAST spec, &gs_findDataStruct, flag) == 0)
1495 #else
1496         if (_dos_findfirst(WXSTRINGCAST spec, flag, &gs_findDataStruct) == 0)
1497 #endif
1498         {
1499             /* MATTHEW: [5] Check directory flag */
1500             char attrib;
1501
1502 #ifdef __BORLANDC__
1503             attrib = gs_findDataStruct.ff_attrib;
1504 #else
1505             attrib = gs_findDataStruct.attrib;
1506 #endif
1507
1508             if (attrib & _A_SUBDIR) {
1509                 if (!(gs_findFlags & wxDIR))
1510                     return wxFindNextFile();
1511             } else if (gs_findFlags && !(gs_findFlags & wxFILE))
1512                 return wxFindNextFile();
1513
1514             result +=
1515 #ifdef __BORLANDC__
1516                     gs_findDataStruct.ff_name
1517 #else
1518                     gs_findDataStruct.name
1519 #endif
1520                     ;
1521         }
1522 #endif // __WIN32__
1523
1524     return result;
1525 }
1526
1527
1528 wxString wxFindNextFile()
1529 {
1530     wxString result;
1531
1532     // Find path only so we can concatenate found file onto path
1533     wxString path(wxPathOnly(gs_strFileSpec));
1534
1535 try_again:
1536
1537 #ifdef __WIN32__
1538     if (gs_hFileStruct == INVALID_HANDLE_VALUE)
1539         return result;
1540
1541     bool success = (FindNextFile(gs_hFileStruct, &gs_findDataStruct) != 0);
1542     if (!success)
1543     {
1544         FindClose(gs_hFileStruct);
1545         gs_hFileStruct = INVALID_HANDLE_VALUE;
1546     }
1547     else
1548     {
1549         bool isdir = !!(gs_findDataStruct.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY);
1550
1551         if (isdir && !(gs_findFlags & wxDIR))
1552             goto try_again;
1553         else if (!isdir && gs_findFlags && !(gs_findFlags & wxFILE))
1554             goto try_again;
1555
1556         if ( !path.IsEmpty() )
1557             result << path << wxT('\\');
1558         result << gs_findDataStruct.cFileName;
1559     }
1560
1561     return result;
1562 #else // Win16
1563
1564 #ifdef __BORLANDC__
1565     if (findnext(&gs_findDataStruct) == 0)
1566 #else
1567         if (_dos_findnext(&gs_findDataStruct) == 0)
1568 #endif
1569         {
1570             /* MATTHEW: [5] Check directory flag */
1571             char attrib;
1572
1573 #ifdef __BORLANDC__
1574             attrib = gs_findDataStruct.ff_attrib;
1575 #else
1576             attrib = gs_findDataStruct.attrib;
1577 #endif
1578
1579             if (attrib & _A_SUBDIR) {
1580                 if (!(gs_findFlags & wxDIR))
1581                     goto try_again;
1582             } else if (gs_findFlags && !(gs_findFlags & wxFILE))
1583                 goto try_again;
1584
1585
1586             result +=
1587 #ifdef __BORLANDC__
1588                       gs_findDataStruct.ff_name
1589 #else
1590                       gs_findDataStruct.name
1591 #endif
1592                       ;
1593         }
1594 #endif // Win32/16
1595
1596     return result;
1597 }
1598
1599 #elif defined(__WXPM__)
1600
1601 wxString wxFindFirstFile(const wxChar *spec, int flags)
1602 {
1603     wxString result;
1604
1605     /*
1606     // TODO: figure something out here for OS/2
1607     gs_strFileSpec = spec;
1608     gs_findFlags = flags;
1609
1610     // Find path only so we can concatenate found file onto path
1611     wxString path(wxPathOnly(gs_strFileSpec));
1612     if ( !path.IsEmpty() )
1613         result << path << wxT('\\');
1614
1615     int flag = _A_NORMAL;
1616     if (flags & wxDIR)
1617         flag = _A_SUBDIR;
1618
1619     if (_dos_findfirst(WXSTRINGCAST spec, flag, &gs_findDataStruct) == 0)
1620     {
1621         char attrib;
1622         attrib = gs_findDataStruct.attrib;
1623
1624         if (attrib & _A_SUBDIR) {
1625             if (!(gs_findFlags & wxDIR))
1626                 return wxFindNextFile();
1627         } else if (gs_findFlags && !(gs_findFlags & wxFILE))
1628             return wxFindNextFile();
1629
1630         result += gs_findDataStruct.name;
1631     }
1632     */
1633     return result;
1634 }
1635
1636 wxString wxFindNextFile()
1637 {
1638     wxString result;
1639     // TODO:
1640     return result;
1641 }
1642
1643 #endif // Unix/Windows/OS/2
1644
1645 // Get current working directory.
1646 // If buf is NULL, allocates space using new, else
1647 // copies into buf.
1648 wxChar *wxGetWorkingDirectory(wxChar *buf, int sz)
1649 {
1650   if (!buf)
1651     buf = new wxChar[sz+1];
1652 #if wxUSE_UNICODE
1653   char *cbuf = new char[sz+1];
1654 #ifdef _MSC_VER
1655   if (_getcwd(cbuf, sz) == NULL) {
1656 #elif defined( __WXMAC__)
1657         enum
1658         {
1659                 SFSaveDisk = 0x214, CurDirStore = 0x398
1660         };
1661         FSSpec cwdSpec ;
1662
1663         FSMakeFSSpec( - *(short *) SFSaveDisk , *(long *) CurDirStore , NULL , &cwdSpec ) ;
1664         wxString res = wxMacFSSpec2UnixFilename( &cwdSpec ) ;
1665         strcpy( buf , res ) ;
1666         if (0) {
1667 #else
1668   if (getcwd(cbuf, sz) == NULL) {
1669 #endif
1670     delete [] cbuf;
1671 #else // wxUnicode
1672 #ifdef _MSC_VER
1673   if (_getcwd(buf, sz) == NULL) {
1674 #elif defined( __WXMAC__)
1675         enum
1676         {
1677                 SFSaveDisk = 0x214, CurDirStore = 0x398
1678         };
1679         FSSpec cwdSpec ;
1680
1681         FSMakeFSSpec( - *(short *) SFSaveDisk , *(long *) CurDirStore , NULL , &cwdSpec ) ;
1682         wxString res = wxMacFSSpec2UnixFilename( &cwdSpec ) ;
1683         strcpy( buf , res ) ;
1684         if (0) {
1685 #else
1686   if (getcwd(buf, sz) == NULL) {
1687 #endif
1688 #endif
1689     buf[0] = wxT('.');
1690     buf[1] = wxT('\0');
1691   }
1692 #if wxUSE_UNICODE
1693   else {
1694     wxConvFile.MB2WC(buf, cbuf, sz);
1695     delete [] cbuf;
1696   }
1697 #endif
1698   return buf;
1699 }
1700
1701 wxString wxGetCwd()
1702 {
1703     static const size_t maxPathLen = 1024;
1704
1705     wxString str;
1706     wxGetWorkingDirectory(str.GetWriteBuf(maxPathLen), maxPathLen);
1707     str.UngetWriteBuf();
1708
1709     return str;
1710 }
1711
1712 bool wxSetWorkingDirectory(const wxString& d)
1713 {
1714 #if defined( __UNIX__ ) || defined( __WXMAC__ ) || defined(__WXPM__)
1715   return (chdir(wxFNSTRINGCAST d.fn_str()) == 0);
1716 #elif defined(__WINDOWS__)
1717
1718 #ifdef __WIN32__
1719   return (bool)(SetCurrentDirectory(d) != 0);
1720 #else
1721   // Must change drive, too.
1722   bool isDriveSpec = ((strlen(d) > 1) && (d[1] == ':'));
1723   if (isDriveSpec)
1724   {
1725     wxChar firstChar = d[0];
1726
1727     // To upper case
1728     if (firstChar > 90)
1729       firstChar = firstChar - 32;
1730
1731     // To a drive number
1732     unsigned int driveNo = firstChar - 64;
1733     if (driveNo > 0)
1734     {
1735        unsigned int noDrives;
1736        _dos_setdrive(driveNo, &noDrives);
1737     }
1738   }
1739   bool success = (chdir(WXSTRINGCAST d) == 0);
1740
1741   return success;
1742 #endif
1743
1744 #endif
1745 }
1746
1747 // Get the OS directory if appropriate (such as the Windows directory).
1748 // On non-Windows platform, probably just return the empty string.
1749 wxString wxGetOSDirectory()
1750 {
1751 #ifdef __WINDOWS__
1752     wxChar buf[256];
1753     GetWindowsDirectory(buf, 256);
1754     return wxString(buf);
1755 #else
1756     return wxEmptyString;
1757 #endif
1758 }
1759
1760 bool wxEndsWithPathSeparator(const wxChar *pszFileName)
1761 {
1762   size_t len = wxStrlen(pszFileName);
1763   if ( len == 0 )
1764     return FALSE;
1765   else
1766     return wxIsPathSeparator(pszFileName[len - 1]);
1767 }
1768
1769 // find a file in a list of directories, returns false if not found
1770 bool wxFindFileInPath(wxString *pStr, const wxChar *pszPath, const wxChar *pszFile)
1771 {
1772     // we assume that it's not empty
1773     wxCHECK_MSG( !wxIsEmpty(pszFile), FALSE,
1774             _("empty file name in wxFindFileInPath"));
1775
1776     // skip path separator in the beginning of the file name if present
1777     if ( wxIsPathSeparator(*pszFile) )
1778         pszFile++;
1779
1780     // copy the path (strtok will modify it)
1781     wxChar *szPath = new wxChar[wxStrlen(pszPath) + 1];
1782     wxStrcpy(szPath, pszPath);
1783
1784     wxString strFile;
1785     wxChar *pc, *save_ptr;
1786     for ( pc = wxStrtok(szPath, wxPATH_SEP, &save_ptr);
1787           pc != NULL;
1788           pc = wxStrtok((wxChar *) NULL, wxPATH_SEP, &save_ptr) )
1789     {
1790         // search for the file in this directory
1791         strFile = pc;
1792         if ( !wxEndsWithPathSeparator(pc) )
1793             strFile += wxFILE_SEP_PATH;
1794         strFile += pszFile;
1795
1796         if ( FileExists(strFile) ) {
1797             *pStr = strFile;
1798             break;
1799         }
1800     }
1801
1802     // suppress warning about unused variable save_ptr when wxStrtok() is a
1803     // macro which throws away its third argument
1804     save_ptr = pc;
1805
1806     delete [] szPath;
1807
1808     return pc != NULL;  // if true => we breaked from the loop
1809 }
1810
1811 void WXDLLEXPORT wxSplitPath(const wxChar *pszFileName,
1812                              wxString *pstrPath,
1813                              wxString *pstrName,
1814                              wxString *pstrExt)
1815 {
1816     // it can be empty, but it shouldn't be NULL
1817     wxCHECK_RET( pszFileName, wxT("NULL file name in wxSplitPath") );
1818
1819     const wxChar *pDot = wxStrrchr(pszFileName, wxFILE_SEP_EXT);
1820
1821 #ifdef __WXMSW__
1822     // under Windows we understand both separators
1823     const wxChar *pSepUnix = wxStrrchr(pszFileName, wxFILE_SEP_PATH_UNIX);
1824     const wxChar *pSepDos = wxStrrchr(pszFileName, wxFILE_SEP_PATH_DOS);
1825     const wxChar *pLastSeparator = pSepUnix > pSepDos ? pSepUnix : pSepDos;
1826 #else // assume Unix
1827     const wxChar *pLastSeparator = wxStrrchr(pszFileName, wxFILE_SEP_PATH_UNIX);
1828
1829     if ( pDot )
1830     {
1831         if ( (pDot == pszFileName) || (*(pDot - 1) == wxFILE_SEP_PATH_UNIX) )
1832         {
1833             // under Unix, dot may be (and commonly is) the first character of the
1834             // filename, don't treat the entire filename as extension in this case
1835             pDot = NULL;
1836         }
1837     }
1838 #endif // MSW/Unix
1839
1840     if ( pDot && (pDot < pLastSeparator) )
1841     {
1842         // the dot is part of the path, not the start of the extension
1843         pDot = NULL;
1844     }
1845
1846     if ( pstrPath )
1847     {
1848         if ( pLastSeparator )
1849             *pstrPath = wxString(pszFileName, pLastSeparator - pszFileName);
1850         else
1851             pstrPath->Empty();
1852     }
1853
1854     if ( pstrName )
1855     {
1856         const wxChar *start = pLastSeparator ? pLastSeparator + 1 : pszFileName;
1857         const wxChar *end = pDot ? pDot : pszFileName + wxStrlen(pszFileName);
1858
1859         *pstrName = wxString(start, end - start);
1860     }
1861
1862     if ( pstrExt )
1863     {
1864         if ( pDot )
1865             *pstrExt = wxString(pDot + 1);
1866         else
1867             pstrExt->Empty();
1868     }
1869 }
1870
1871
1872
1873 time_t WXDLLEXPORT wxFileModificationTime(const wxString& filename)
1874 {
1875     struct stat buf;
1876
1877     stat(filename.fn_str(), &buf);
1878     return buf.st_mtime;
1879 }
1880
1881
1882 //------------------------------------------------------------------------
1883 // wild character routines
1884 //------------------------------------------------------------------------
1885
1886 bool wxIsWild( const wxString& pattern )
1887 {
1888   wxString tmp = pattern;
1889   wxChar *pat = WXSTRINGCAST(tmp);
1890     while (*pat) {
1891         switch (*pat++) {
1892         case wxT('?'): case wxT('*'): case wxT('['): case wxT('{'):
1893             return TRUE;
1894         case wxT('\\'):
1895             if (!*pat++)
1896                 return FALSE;
1897         }
1898     }
1899     return FALSE;
1900 };
1901
1902 bool wxMatchWild( const wxString& pat, const wxString& text, bool dot_special )
1903
1904 #if defined(HAVE_FNMATCH_H)
1905 {
1906 // this probably won't work well for multibyte chars in Unicode mode?
1907    if(dot_special)
1908       return fnmatch(pat.fn_str(), text.fn_str(), FNM_PERIOD) == 0;
1909    else
1910       return fnmatch(pat.fn_str(), text.fn_str(), 0) == 0;
1911 }
1912 #else
1913
1914 // #pragma error Broken implementation of wxMatchWild() -- needs fixing!
1915
1916    /*
1917     * WARNING: this code is broken!
1918     */
1919 {
1920   wxString tmp1 = pat;
1921   wxChar *pattern = WXSTRINGCAST(tmp1);
1922   wxString tmp2 = text;
1923   wxChar *str = WXSTRINGCAST(tmp2);
1924     wxChar c;
1925     wxChar *cp;
1926     bool done = FALSE, ret_code, ok;
1927     // Below is for vi fans
1928     const wxChar OB = wxT('{'), CB = wxT('}');
1929
1930     // dot_special means '.' only matches '.'
1931     if (dot_special && *str == wxT('.') && *pattern != *str)
1932         return FALSE;
1933
1934     while ((*pattern != wxT('\0')) && (!done)
1935     && (((*str==wxT('\0'))&&((*pattern==OB)||(*pattern==wxT('*'))))||(*str!=wxT('\0')))) {
1936         switch (*pattern) {
1937         case wxT('\\'):
1938             pattern++;
1939             if (*pattern != wxT('\0'))
1940                 pattern++;
1941             break;
1942         case wxT('*'):
1943             pattern++;
1944             ret_code = FALSE;
1945             while ((*str!=wxT('\0'))
1946             && (!(ret_code=wxMatchWild(pattern, str++, FALSE))))
1947                 /*loop*/;
1948             if (ret_code) {
1949                 while (*str != wxT('\0'))
1950                     str++;
1951                 while (*pattern != wxT('\0'))
1952                     pattern++;
1953             }
1954             break;
1955         case wxT('['):
1956             pattern++;
1957           repeat:
1958             if ((*pattern == wxT('\0')) || (*pattern == wxT(']'))) {
1959                 done = TRUE;
1960                 break;
1961             }
1962             if (*pattern == wxT('\\')) {
1963                 pattern++;
1964                 if (*pattern == wxT('\0')) {
1965                     done = TRUE;
1966                     break;
1967                 }
1968             }
1969             if (*(pattern + 1) == wxT('-')) {
1970                 c = *pattern;
1971                 pattern += 2;
1972                 if (*pattern == wxT(']')) {
1973                     done = TRUE;
1974                     break;
1975                 }
1976                 if (*pattern == wxT('\\')) {
1977                     pattern++;
1978                     if (*pattern == wxT('\0')) {
1979                         done = TRUE;
1980                         break;
1981                     }
1982                 }
1983                 if ((*str < c) || (*str > *pattern)) {
1984                     pattern++;
1985                     goto repeat;
1986                 }
1987             } else if (*pattern != *str) {
1988                 pattern++;
1989                 goto repeat;
1990             }
1991             pattern++;
1992             while ((*pattern != wxT(']')) && (*pattern != wxT('\0'))) {
1993                 if ((*pattern == wxT('\\')) && (*(pattern + 1) != wxT('\0')))
1994                     pattern++;
1995                 pattern++;
1996             }
1997             if (*pattern != wxT('\0')) {
1998                 pattern++, str++;
1999             }
2000             break;
2001         case wxT('?'):
2002             pattern++;
2003             str++;
2004             break;
2005         case OB:
2006             pattern++;
2007             while ((*pattern != CB) && (*pattern != wxT('\0'))) {
2008                 cp = str;
2009                 ok = TRUE;
2010                 while (ok && (*cp != wxT('\0')) && (*pattern != wxT('\0'))
2011                 &&  (*pattern != wxT(',')) && (*pattern != CB)) {
2012                     if (*pattern == wxT('\\'))
2013                         pattern++;
2014                     ok = (*pattern++ == *cp++);
2015                 }
2016                 if (*pattern == wxT('\0')) {
2017                     ok = FALSE;
2018                     done = TRUE;
2019                     break;
2020                 } else if (ok) {
2021                     str = cp;
2022                     while ((*pattern != CB) && (*pattern != wxT('\0'))) {
2023                         if (*++pattern == wxT('\\')) {
2024                             if (*++pattern == CB)
2025                                 pattern++;
2026                         }
2027                     }
2028                 } else {
2029                     while (*pattern!=CB && *pattern!=wxT(',') && *pattern!=wxT('\0')) {
2030                         if (*++pattern == wxT('\\')) {
2031                             if (*++pattern == CB || *pattern == wxT(','))
2032                                 pattern++;
2033                         }
2034                     }
2035                 }
2036                 if (*pattern != wxT('\0'))
2037                     pattern++;
2038             }
2039             break;
2040         default:
2041             if (*str == *pattern) {
2042                 str++, pattern++;
2043             } else {
2044                 done = TRUE;
2045             }
2046         }
2047     }
2048     while (*pattern == wxT('*'))
2049         pattern++;
2050     return ((*str == wxT('\0')) && (*pattern == wxT('\0')));
2051 };
2052
2053 #endif
2054
2055 #ifdef __VISUALC__
2056     #pragma warning(default:4706)   // assignment within conditional expression
2057 #endif // VC++