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 #ifdef __GNUG__
  13     #pragma implementation "filefn.h"
  14 #endif
  15
  16 // For compilers that support precompilation, includes "wx.h".
  17 #include "wx/wxprec.h"
  18 #include "wx/defs.h"
  19
  20 #ifdef __BORLANDC__
  21     #pragma hdrstop
  22 #endif
  23
  24 #ifndef WX_PRECOMP
  25     #include "wx/defs.h"
  26 #endif
  27
  28 #include "wx/utils.h"
  29 #include <wx/intl.h>
  30
  31 // there are just too many of those...
  32 #ifdef __VISUALC__
  33     #pragma warning(disable:4706)   // assignment within conditional expression
  34 #endif // VC++
  35
  36 #include <ctype.h>
  37 #include <stdio.h>
  38 #include <stdlib.h>
  39 #include <string.h>
  40 #if !defined(__WATCOMC__)
  41     #if !(defined(_MSC_VER) && (_MSC_VER > 800))
  42         #include <errno.h>
  43     #endif
  44 #endif
  45
  46 #include <time.h>
  47
  48 #ifndef __MWERKS__
  49     #include <sys/types.h>
  50     #include <sys/stat.h>
  51 #else
  52     #include <stat.h>
  53     #include <unistd.h>
  54 #endif
  55
  56 #ifdef __UNIX__
  57     #include <unistd.h>
  58     #include <dirent.h>
  59 #endif
  60
  61 #ifdef __WINDOWS__
  62 #if !defined( __GNUWIN32__ ) && !defined( __MWERKS__ ) && !defined(__SALFORDC__)
  63     #include <direct.h>
  64     #include <dos.h>
  65 #endif // __WINDOWS__
  66 #endif // native Win compiler
  67
  68 #ifdef __GNUWIN32__
  69     #ifndef __TWIN32__
  70         #include <sys/unistd.h>
  71     #endif
  72
  73     #define stricmp strcasecmp
  74 #endif
  75
  76 #ifdef __BORLANDC__ // Please someone tell me which version of Borland needs
  77                     // this (3.1 I believe) and how to test for it.
  78                     // If this works for Borland 4.0 as well, then no worries.
  79     #include <dir.h>
  80 #endif
  81
  82 #ifdef __SALFORDC__
  83     #include <dir.h>
  84     #include <unix.h>
  85 #endif
  86
  87 #include "wx/setup.h"
  88 #include "wx/log.h"
  89
  90 // No, Cygwin doesn't appear to have fnmatch.h after all.
  91 #if defined(HAVE_FNMATCH_H)
  92     #include "fnmatch.h"
  93 #endif
  94
  95 #ifdef __WINDOWS__
  96     #include "windows.h"
  97 #endif
  98
  99 #define _MAXPATHLEN 500
 100
 101 extern char *wxBuffer;
 102 #ifdef __WXMAC__
 103     extern char gwxMacFileName[] ;
 104     extern char gwxMacFileName2[] ;
 105     extern char gwxMacFileName3[] ;
 106 #endif
 107
 108 #if !USE_SHARED_LIBRARIES
 109     IMPLEMENT_DYNAMIC_CLASS(wxPathList, wxStringList)
 110 #endif
 111
 112 void wxPathList::Add (const wxString& path)
 113 {
 114     wxStringList::Add ((char *)(const char *)path);
 115 }
 116
 117 // Add paths e.g. from the PATH environment variable
 118 void wxPathList::AddEnvList (const wxString& envVariable)
 119 {
 120   static const char PATH_TOKS[] =
 121 #ifdef __WINDOWS__
 122         " ;"; // Don't seperate with colon in DOS (used for drive)
 123 #else
 124         " :;";
 125 #endif
 126
 127   char *val = getenv (WXSTRINGCAST envVariable);
 128   if (val && *val)
 129     {
 130       char *s = copystring (val);
 131       char *token = strtok (s, PATH_TOKS);
 132
 133       if (token)
 134         {
 135           Add (copystring (token));
 136           while (token)
 137             {
 138               if ((token = strtok ((char *) NULL, PATH_TOKS)) != NULL)
 139                 Add (wxString(token));
 140             }
 141         }
 142       delete[]s;
 143     }
 144 }
 145
 146 // Given a full filename (with path), ensure that that file can
 147 // be accessed again USING FILENAME ONLY by adding the path
 148 // to the list if not already there.
 149 void wxPathList::EnsureFileAccessible (const wxString& path)
 150 {
 151     wxString path_only(wxPathOnly(path));
 152     if ( !path_only.IsEmpty() )
 153     {
 154         if ( !Member(path_only) )
 155             Add(path_only);
 156     }
 157 }
 158
 159 bool wxPathList::Member (const wxString& path)
 160 {
 161   for (wxNode * node = First (); node != NULL; node = node->Next ())
 162   {
 163       wxString path2((char *) node->Data ());
 164       if (
 165 #if defined(__WINDOWS__) || defined(__VMS__) || defined (__WXMAC__)
 166       // Case INDEPENDENT
 167           path.CompareTo (path2, wxString::ignoreCase) == 0
 168 #else
 169       // Case sensitive File System
 170           path.CompareTo (path2) == 0
 171 #endif
 172         )
 173         return TRUE;
 174   }
 175   return FALSE;
 176 }
 177
 178 wxString wxPathList::FindValidPath (const wxString& file)
 179 {
 180   if (wxFileExists (wxExpandPath(wxBuffer, file)))
 181     return wxString(wxBuffer);
 182
 183   char buf[_MAXPATHLEN];
 184   strcpy(buf, wxBuffer);
 185
 186   char *filename = (char*) NULL; /* shut up buggy egcs warning */
 187   filename = IsAbsolutePath (buf) ? wxFileNameFromPath (buf) : (char *)buf;
 188
 189   for (wxNode * node = First (); node; node = node->Next ())
 190     {
 191       char *path = (char *) node->Data ();
 192       strcpy (wxBuffer, path);
 193       char ch = wxBuffer[strlen(wxBuffer)-1];
 194       if (ch != '\\' && ch != '/')
 195         strcat (wxBuffer, "/");
 196       strcat (wxBuffer, filename);
 197 #ifdef __WINDOWS__
 198       Unix2DosFilename (wxBuffer);
 199 #endif
 200       if (wxFileExists (wxBuffer))
 201       {
 202         return wxString(wxBuffer);        // Found!
 203       }
 204     }                                // for()
 205
 206   return wxString("");                        // Not found
 207 }
 208
 209 wxString wxPathList::FindAbsoluteValidPath (const wxString& file)
 210 {
 211   wxString f = FindValidPath(file);
 212   if (wxIsAbsolutePath(f))
 213     return f;
 214   else
 215   {
 216     char buf[500];
 217     wxGetWorkingDirectory(buf, 499);
 218     int len = (int)strlen(buf);
 219     char lastCh = 0;
 220     if (len > 0)
 221       lastCh = buf[len-1];
 222     if (lastCh != '/' && lastCh != '\\')
 223     {
 224 #ifdef __WINDOWS__
 225       strcat(buf, "\\");
 226 #else
 227       strcat(buf, "/");
 228 #endif
 229     }
 230     strcat(buf, (const char *)f);
 231     strcpy(wxBuffer, buf);
 232     return wxString(wxBuffer);
 233   }
 234 }
 235
 236 bool
 237 wxFileExists (const wxString& filename)
 238 {
 239 #ifdef __GNUWIN32__ // (fix a B20 bug)
 240   if (GetFileAttributes(filename) == 0xFFFFFFFF)
 241     return FALSE;
 242   else
 243     return TRUE;
 244 #elif defined(__WXMAC__)
 245           struct stat stbuf;
 246         strcpy( gwxMacFileName , filename ) ;
 247         wxUnix2MacFilename( gwxMacFileName ) ;
 248           if (gwxMacFileName && stat ((char *)(const char *)gwxMacFileName, &stbuf) == 0)
 249             return TRUE;
 250     return FALSE ;
 251 #else
 252
 253 #ifdef __SALFORDC__
 254   struct _stat stbuf;
 255 #else
 256   struct stat stbuf;
 257 #endif
 258
 259   if ((filename != "") && stat ((char *)(const char *)filename, &stbuf) == 0)
 260     return TRUE;
 261   return FALSE;
 262 #endif
 263 }
 264
 265 /* Vadim's alternative implementation
 266
 267 // does the file exist?
 268 bool wxFileExists(const char *pszFileName)
 269 {
 270   struct stat st;
 271   return !access(pszFileName, 0) &&
 272          !stat(pszFileName, &st) &&
 273          (st.st_mode & S_IFREG);
 274 }
 275 */
 276
 277 bool
 278 wxIsAbsolutePath (const wxString& filename)
 279 {
 280   if (filename != "")
 281     {
 282       if (filename[0] == '/'
 283 #ifdef __VMS__
 284       || (filename[0] == '[' && filename[1] != '.')
 285 #endif
 286 #ifdef __WINDOWS__
 287       /* MSDOS */
 288       || filename[0] == '\\' || (isalpha (filename[0]) && filename[1] == ':')
 289 #endif
 290         )
 291         return TRUE;
 292     }
 293   return FALSE;
 294 }
 295
 296 /*
 297  * Strip off any extension (dot something) from end of file,
 298  * IF one exists. Inserts zero into buffer.
 299  *
 300  */
 301
 302 void wxStripExtension(char *buffer)
 303 {
 304   int len = strlen(buffer);
 305   int i = len-1;
 306   while (i > 0)
 307   {
 308     if (buffer[i] == '.')
 309     {
 310       buffer[i] = 0;
 311       break;
 312     }
 313     i --;
 314   }
 315 }
 316
 317 void wxStripExtension(wxString& buffer)
 318 {
 319   size_t len = buffer.Length();
 320   size_t i = len-1;
 321   while (i > 0)
 322   {
 323     if (buffer.GetChar(i) == '.')
 324     {
 325       buffer = buffer.Left(i);
 326       break;
 327     }
 328     i --;
 329   }
 330 }
 331
 332 // Destructive removal of /./ and /../ stuff
 333 char *wxRealPath (char *path)
 334 {
 335 #ifdef __WXMSW__
 336   static const char SEP = '\\';
 337   Unix2DosFilename(path);
 338 #else
 339   static const char SEP = '/';
 340 #endif
 341   if (path[0] && path[1]) {
 342     /* MATTHEW: special case "/./x" */
 343     char *p;
 344     if (path[2] == SEP && path[1] == '.')
 345       p = &path[0];
 346     else
 347       p = &path[2];
 348     for (; *p; p++)
 349       {
 350         if (*p == SEP)
 351           {
 352             if (p[1] == '.' && p[2] == '.' && (p[3] == SEP || p[3] == '\0'))
 353               {
 354                 char *q;
 355                 for (q = p - 1; q >= path && *q != SEP; q--);
 356                 if (q[0] == SEP && (q[1] != '.' || q[2] != '.' || q[3] != SEP)
 357                     && (q - 1 <= path || q[-1] != SEP))
 358                   {
 359                     strcpy (q, p + 3);
 360                     if (path[0] == '\0')
 361                       {
 362                         path[0] = SEP;
 363                         path[1] = '\0';
 364                       }
 365 #ifdef __WXMSW__
 366                     /* Check that path[2] is NULL! */
 367                     else if (path[1] == ':' && !path[2])
 368                       {
 369                         path[2] = SEP;
 370                         path[3] = '\0';
 371                       }
 372 #endif
 373                     p = q - 1;
 374                   }
 375               }
 376             else if (p[1] == '.' && (p[2] == SEP || p[2] == '\0'))
 377               strcpy (p, p + 2);
 378           }
 379       }
 380   }
 381   return path;
 382 }
 383
 384 // Must be destroyed
 385 char *wxCopyAbsolutePath(const wxString& filename)
 386 {
 387   if (filename == "")
 388     return (char *) NULL;
 389
 390   if (! IsAbsolutePath(wxExpandPath(wxBuffer, filename))) {
 391     char    buf[_MAXPATHLEN];
 392     buf[0] = '\0';
 393     wxGetWorkingDirectory(buf, WXSIZEOF(buf));
 394     char ch = buf[strlen(buf) - 1];
 395 #ifdef __WXMSW__
 396     if (ch != '\\' && ch != '/')
 397         strcat(buf, "\\");
 398 #else
 399     if (ch != '/')
 400         strcat(buf, "/");
 401 #endif
 402     strcat(buf, wxBuffer);
 403     return copystring( wxRealPath(buf) );
 404   }
 405   return copystring( wxBuffer );
 406 }
 407
 408 /*-
 409  Handles:
 410    ~/ => home dir
 411    ~user/ => user's home dir
 412    If the environment variable a = "foo" and b = "bar" then:
 413    Unix:
 414         $a        =>        foo
 415         $a$b        =>        foobar
 416         $a.c        =>        foo.c
 417         xxx$a        =>        xxxfoo
 418         ${a}!        =>        foo!
 419         $(b)!        =>        bar!
 420         \$a        =>        \$a
 421    MSDOS:
 422         $a        ==>        $a
 423         $(a)        ==>        foo
 424         $(a)$b        ==>        foo$b
 425         $(a)$(b)==>        foobar
 426         test.$$        ==>        test.$$
 427  */
 428
 429 /* input name in name, pathname output to buf. */
 430
 431 char *wxExpandPath(char *buf, const char *name)
 432 {
 433     register char  *d, *s, *nm;
 434     char            lnm[_MAXPATHLEN];
 435     int                                q;
 436
 437     // Some compilers don't like this line.
 438 //    const char      trimchars[] = "\n \t";
 439
 440     char      trimchars[4];
 441     trimchars[0] = '\n';
 442     trimchars[1] = ' ';
 443     trimchars[2] = '\t';
 444     trimchars[3] = 0;
 445
 446 #ifdef __WXMSW__
 447      const char     SEP = '\\';
 448 #else
 449      const char     SEP = '/';
 450 #endif
 451     buf[0] = '\0';
 452     if (name == NULL || *name == '\0')
 453         return buf;
 454     nm = copystring(name); // Make a scratch copy
 455     char *nm_tmp = nm;
 456
 457     /* Skip leading whitespace and cr */
 458     while (strchr((char *)trimchars, *nm) != NULL)
 459         nm++;
 460     /* And strip off trailing whitespace and cr */
 461     s = nm + (q = strlen(nm)) - 1;
 462     while (q-- && strchr((char *)trimchars, *s) != NULL)
 463         *s = '\0';
 464
 465     s = nm;
 466     d = lnm;
 467 #ifdef __WXMSW__
 468     q = FALSE;
 469 #else
 470     q = nm[0] == '\\' && nm[1] == '~';
 471 #endif
 472
 473     /* Expand inline environment variables */
 474     while ((*d++ = *s)) {
 475 #ifndef __WXMSW__
 476         if (*s == '\\') {
 477             if ((*(d - 1) = *++s)) {
 478                 s++;
 479                 continue;
 480             } else
 481                 break;
 482         } else
 483 #endif
 484 #ifdef __WXMSW__
 485         if (*s++ == '$' && (*s == '{' || *s == ')'))
 486 #else
 487         if (*s++ == '$')
 488 #endif
 489         {
 490             register char  *start = d;
 491             register int   braces = (*s == '{' || *s == '(');
 492             register char  *value;
 493             while ((*d++ = *s))
 494                 if (braces ? (*s == '}' || *s == ')') : !(isalnum(*s) || *s == '_') )
 495                     break;
 496                 else
 497                     s++;
 498             *--d = 0;
 499             value = getenv(braces ? start + 1 : start);
 500             if (value) {
 501                 for ((d = start - 1); (*d++ = *value++););
 502                 d--;
 503                 if (braces && *s)
 504                     s++;
 505             }
 506         }
 507     }
 508
 509     /* Expand ~ and ~user */
 510     nm = lnm;
 511     s = "";
 512     if (nm[0] == '~' && !q)
 513     {
 514         /* prefix ~ */
 515         if (nm[1] == SEP || nm[1] == 0)
 516         {        /* ~/filename */
 517             if ((s = wxGetUserHome("")) != NULL) {
 518                 if (*++nm)
 519                     nm++;
 520             }
 521         } else
 522         {                /* ~user/filename */
 523             register char  *nnm;
 524             register char  *home;
 525             for (s = nm; *s && *s != SEP; s++);
 526             int was_sep; /* MATTHEW: Was there a separator, or NULL? */
 527             was_sep = (*s == SEP);
 528             nnm = *s ? s + 1 : s;
 529             *s = 0;
 530             if ((home = wxGetUserHome(wxString(nm + 1))) == NULL) {
 531                if (was_sep) /* replace only if it was there: */
 532                    *s = SEP;
 533                 s = "";
 534             } else {
 535                 nm = nnm;
 536                 s = home;
 537             }
 538         }
 539     }
 540
 541     d = buf;
 542     if (s && *s) { /* MATTHEW: s could be NULL if user '~' didn't exist */
 543         /* Copy home dir */
 544         while ('\0' != (*d++ = *s++))
 545           /* loop */;
 546         // Handle root home
 547         if (d - 1 > buf && *(d - 2) != SEP)
 548           *(d - 1) = SEP;
 549     }
 550     s = nm;
 551     while ((*d++ = *s++));
 552
 553     delete[] nm_tmp; // clean up alloc
 554     /* Now clean up the buffer */
 555     return wxRealPath(buf);
 556 }
 557
 558
 559 /* Contract Paths to be build upon an environment variable
 560    component:
 561
 562    example: "/usr/openwin/lib", OPENWINHOME --> ${OPENWINHOME}/lib
 563
 564    The call wxExpandPath can convert these back!
 565  */
 566 char *
 567 wxContractPath (const wxString& filename, const wxString& envname, const wxString& user)
 568 {
 569   static char dest[_MAXPATHLEN];
 570
 571   if (filename == "")
 572     return (char *) NULL;
 573
 574   strcpy (dest, WXSTRINGCAST filename);
 575 #ifdef __WXMSW__
 576   Unix2DosFilename(dest);
 577 #endif
 578
 579   // Handle environment
 580   char *val = (char *) NULL;
 581   char *tcp = (char *) NULL;
 582   if (envname != WXSTRINGCAST NULL && (val = getenv (WXSTRINGCAST envname)) != NULL &&
 583      (tcp = strstr (dest, val)) != NULL)
 584     {
 585         strcpy (wxBuffer, tcp + strlen (val));
 586         *tcp++ = '$';
 587         *tcp++ = '{';
 588         strcpy (tcp, WXSTRINGCAST envname);
 589         strcat (tcp, "}");
 590         strcat (tcp, wxBuffer);
 591     }
 592
 593   // Handle User's home (ignore root homes!)
 594   size_t len = 0;
 595   if ((val = wxGetUserHome (user)) != NULL &&
 596       (len = strlen(val)) > 2 &&
 597       strncmp(dest, val, len) == 0)
 598     {
 599       strcpy(wxBuffer, "~");
 600       if (user != "")
 601              strcat(wxBuffer, (const char*) user);
 602 #ifdef __WXMSW__
 603 //      strcat(wxBuffer, "\\");
 604 #else
 605 //      strcat(wxBuffer, "/");
 606 #endif
 607       strcat(wxBuffer, dest + len);
 608       strcpy (dest, wxBuffer);
 609     }
 610
 611   return dest;
 612 }
 613
 614 // Return just the filename, not the path
 615 // (basename)
 616 char *wxFileNameFromPath (char *path)
 617 {
 618   if (path)
 619     {
 620       register char *tcp;
 621
 622       tcp = path + strlen (path);
 623       while (--tcp >= path)
 624         {
 625           if (*tcp == '/' || *tcp == '\\'
 626 #ifdef __VMS__
 627      || *tcp == ':' || *tcp == ']')
 628 #else
 629      )
 630 #endif
 631             return tcp + 1;
 632         }                        /* while */
 633 #ifdef __WXMSW__
 634       if (isalpha (*path) && *(path + 1) == ':')
 635         return path + 2;
 636 #endif
 637     }
 638   return path;
 639 }
 640
 641 wxString wxFileNameFromPath (const wxString& path1)
 642 {
 643   if (path1 != "")
 644   {
 645
 646       char *path = WXSTRINGCAST path1 ;
 647       register char *tcp;
 648
 649       tcp = path + strlen (path);
 650       while (--tcp >= path)
 651           {
 652             if (*tcp == '/' || *tcp == '\\'
 653 #ifdef __VMS__
 654         || *tcp == ':' || *tcp == ']')
 655 #else
 656         )
 657 #endif
 658                 return wxString(tcp + 1);
 659             }                        /* while */
 660 #ifdef __WXMSW__
 661       if (isalpha (*path) && *(path + 1) == ':')
 662             return wxString(path + 2);
 663 #endif
 664     }
 665   // Yes, this should return the path, not an empty string, otherwise
 666   // we get "thing.txt" -> "".
 667   return path1;
 668 }
 669
 670 // Return just the directory, or NULL if no directory
 671 char *
 672 wxPathOnly (char *path)
 673 {
 674   if (path && *path)
 675     {
 676       static char buf[_MAXPATHLEN];
 677
 678       // Local copy
 679       strcpy (buf, path);
 680
 681       int l = strlen(path);
 682       bool done = FALSE;
 683
 684       int i = l - 1;
 685
 686       // Search backward for a backward or forward slash
 687       while (!done && i > -1)
 688       {
 689         // ] is for VMS
 690         if (path[i] == '/' || path[i] == '\\' || path[i] == ']')
 691         {
 692           done = TRUE;
 693 #ifdef __VMS__
 694           buf[i+1] = 0;
 695 #else
 696           buf[i] = 0;
 697 #endif
 698
 699           return buf;
 700         }
 701         else i --;
 702       }
 703
 704 #ifdef __WXMSW__
 705       // Try Drive specifier
 706       if (isalpha (buf[0]) && buf[1] == ':')
 707         {
 708           // A:junk --> A:. (since A:.\junk Not A:\junk)
 709           buf[2] = '.';
 710           buf[3] = '\0';
 711           return buf;
 712         }
 713 #endif
 714     }
 715
 716   return (char *) NULL;
 717 }
 718
 719 // Return just the directory, or NULL if no directory
 720 wxString wxPathOnly (const wxString& path)
 721 {
 722   if (path != "")
 723     {
 724       char buf[_MAXPATHLEN];
 725
 726       // Local copy
 727       strcpy (buf, WXSTRINGCAST path);
 728
 729       int l = path.Length();
 730       bool done = FALSE;
 731
 732       int i = l - 1;
 733
 734       // Search backward for a backward or forward slash
 735       while (!done && i > -1)
 736       {
 737         // ] is for VMS
 738         if (path[i] == '/' || path[i] == '\\' || path[i] == ']')
 739         {
 740           done = TRUE;
 741 #ifdef __VMS__
 742           buf[i+1] = 0;
 743 #else
 744           buf[i] = 0;
 745 #endif
 746
 747           return wxString(buf);
 748         }
 749         else i --;
 750       }
 751
 752 #ifdef __WXMSW__
 753       // Try Drive specifier
 754       if (isalpha (buf[0]) && buf[1] == ':')
 755         {
 756           // A:junk --> A:. (since A:.\junk Not A:\junk)
 757           buf[2] = '.';
 758           buf[3] = '\0';
 759           return wxString(buf);
 760         }
 761 #endif
 762     }
 763
 764   return wxString("");
 765 }
 766
 767 // Utility for converting delimiters in DOS filenames to UNIX style
 768 // and back again - or we get nasty problems with delimiters.
 769 // Also, convert to lower case, since case is significant in UNIX.
 770
 771 #ifdef __WXMAC__
 772 void
 773 wxMac2UnixFilename (char *s)
 774 {
 775         if (s)
 776         {
 777                 memmove( s+1 , s ,strlen( s ) + 1) ;
 778                 if ( *s == ':' )
 779                         *s = '.' ;
 780                 else
 781                         *s = '/' ;
 782
 783                 while (*s)
 784                 {
 785                         if (*s == ':')
 786                           *s = '/';
 787                         else
 788                           *s = wxToLower (*s);        // Case INDEPENDENT
 789                         s++;
 790                 }
 791         }
 792 }
 793
 794 void
 795 wxUnix2MacFilename (char *s)
 796 {
 797         if (s)
 798         {
 799                 if ( *s == '.' )
 800                 {
 801                         // relative path , since it goes on with slash which is translated to a :
 802                         memmove( s , s+1 ,strlen( s ) ) ;
 803                 }
 804                 else if ( *s == '/' )
 805                 {
 806                         // absolute path -> on mac just start with the drive name
 807                         memmove( s , s+1 ,strlen( s ) ) ;
 808                 }
 809                 else
 810                 {
 811                         wxASSERT_MSG( 1 , "unkown path beginning" ) ;
 812                 }
 813                 while (*s)
 814                 {
 815                         if (*s == '/' || *s == '\\')
 816                                   *s = ':';
 817
 818                         s++ ;
 819                 }
 820         }
 821 }
 822 #endif
 823 void
 824 wxDos2UnixFilename (char *s)
 825 {
 826   if (s)
 827     while (*s)
 828       {
 829         if (*s == '\\')
 830           *s = '/';
 831 #ifdef __WXMSW__
 832         else
 833           *s = wxToLower (*s);        // Case INDEPENDENT
 834 #endif
 835         s++;
 836       }
 837 }
 838
 839 void
 840 #ifdef __WXMSW__
 841 wxUnix2DosFilename (char *s)
 842 #else
 843 wxUnix2DosFilename (char *WXUNUSED(s))
 844 #endif
 845 {
 846 // Yes, I really mean this to happen under DOS only! JACS
 847 #ifdef __WXMSW__
 848   if (s)
 849     while (*s)
 850       {
 851         if (*s == '/')
 852           *s = '\\';
 853         s++;
 854       }
 855 #endif
 856 }
 857
 858 // Concatenate two files to form third
 859 bool
 860 wxConcatFiles (const wxString& file1, const wxString& file2, const wxString& file3)
 861 {
 862   char *outfile = wxGetTempFileName("cat");
 863
 864   FILE *fp1 = (FILE *) NULL;
 865   FILE *fp2 = (FILE *) NULL;
 866   FILE *fp3 = (FILE *) NULL;
 867   // Open the inputs and outputs
 868 #ifdef __WXMAC__
 869         strcpy( gwxMacFileName , file1 ) ;
 870         wxUnix2MacFilename( gwxMacFileName ) ;
 871         strcpy( gwxMacFileName2 , file2) ;
 872         wxUnix2MacFilename( gwxMacFileName2 ) ;
 873         strcpy( gwxMacFileName3 , outfile) ;
 874         wxUnix2MacFilename( gwxMacFileName3 ) ;
 875
 876   if ((fp1 = fopen (gwxMacFileName, "rb")) == NULL ||
 877       (fp2 = fopen (gwxMacFileName2, "rb")) == NULL ||
 878       (fp3 = fopen (gwxMacFileName3, "wb")) == NULL)
 879 #else
 880   if ((fp1 = fopen (WXSTRINGCAST file1, "rb")) == NULL ||
 881       (fp2 = fopen (WXSTRINGCAST file2, "rb")) == NULL ||
 882       (fp3 = fopen (outfile, "wb")) == NULL)
 883 #endif
 884     {
 885       if (fp1)
 886         fclose (fp1);
 887       if (fp2)
 888         fclose (fp2);
 889       if (fp3)
 890         fclose (fp3);
 891       return FALSE;
 892     }
 893
 894   int ch;
 895   while ((ch = getc (fp1)) != EOF)
 896     (void) putc (ch, fp3);
 897   fclose (fp1);
 898
 899   while ((ch = getc (fp2)) != EOF)
 900     (void) putc (ch, fp3);
 901   fclose (fp2);
 902
 903   fclose (fp3);
 904   bool result = wxRenameFile(outfile, file3);
 905   delete[] outfile;
 906   return result;
 907 }
 908
 909 // Copy files
 910 bool
 911 wxCopyFile (const wxString& file1, const wxString& file2)
 912 {
 913   FILE *fd1;
 914   FILE *fd2;
 915   int ch;
 916
 917 #ifdef __WXMAC__
 918         strcpy( gwxMacFileName , file1 ) ;
 919         wxUnix2MacFilename( gwxMacFileName ) ;
 920         strcpy( gwxMacFileName2 , file2) ;
 921         wxUnix2MacFilename( gwxMacFileName2 ) ;
 922
 923   if ((fd1 = fopen (gwxMacFileName, "rb")) == NULL)
 924     return FALSE;
 925   if ((fd2 = fopen (gwxMacFileName2, "wb")) == NULL)
 926 #else
 927   if ((fd1 = fopen (WXSTRINGCAST file1, "rb")) == NULL)
 928     return FALSE;
 929   if ((fd2 = fopen (WXSTRINGCAST file2, "wb")) == NULL)
 930 #endif
 931     {
 932       fclose (fd1);
 933       return FALSE;
 934     }
 935
 936   while ((ch = getc (fd1)) != EOF)
 937     (void) putc (ch, fd2);
 938
 939   fclose (fd1);
 940   fclose (fd2);
 941   return TRUE;
 942 }
 943
 944 bool
 945 wxRenameFile (const wxString& file1, const wxString& file2)
 946 {
 947 #ifdef __WXMAC__
 948         strcpy( gwxMacFileName , file1 ) ;
 949         wxUnix2MacFilename( gwxMacFileName ) ;
 950         strcpy( gwxMacFileName2 , file2) ;
 951         wxUnix2MacFilename( gwxMacFileName2 ) ;
 952
 953   if (0 == rename (gwxMacFileName, gwxMacFileName2))
 954     return TRUE;
 955 #else
 956   // Normal system call
 957   if (0 == rename (WXSTRINGCAST file1, WXSTRINGCAST file2))
 958     return TRUE;
 959 #endif
 960   // Try to copy
 961   if (wxCopyFile(file1, file2)) {
 962     wxRemoveFile(file1);
 963     return TRUE;
 964   }
 965   // Give up
 966   return FALSE;
 967 }
 968
 969 bool wxRemoveFile(const wxString& file)
 970 {
 971 #if defined(__VISUALC__) || defined(__BORLANDC__) || defined(__WATCOMC__)
 972   int flag = remove(WXSTRINGCAST file);
 973 #elif defined( __WXMAC__ )
 974         strcpy( gwxMacFileName , file ) ;
 975         wxUnix2MacFilename( gwxMacFileName ) ;
 976   int flag = unlink(gwxMacFileName);
 977 #else
 978   int flag = unlink(WXSTRINGCAST file);
 979 #endif
 980   return (flag == 0) ;
 981 }
 982
 983 bool wxMkdir(const wxString& dir)
 984 {
 985 #if defined(__WXSTUBS__)
 986   return FALSE;
 987 #elif defined(__VMS__)
 988         return FALSE;
 989 #elif defined( __WXMAC__ )
 990   strcpy( gwxMacFileName , dir ) ;
 991   wxUnix2MacFilename( gwxMacFileName ) ;
 992   return (mkdir(gwxMacFileName , 0 ) == 0);
 993 #elif (defined(__GNUWIN32__) && !defined(__MINGW32__)) || !defined(__WXMSW__)
 994   return (mkdir (WXSTRINGCAST dir, S_IRUSR | S_IWUSR | S_IXUSR | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH) == 0);
 995 #else
 996   return (mkdir(WXSTRINGCAST dir) == 0);
 997 #endif
 998 }
 999
1000 bool wxRmdir(const wxString& dir, int WXUNUSED(flags))
1001 {
1002 #ifdef __VMS__
1003   return FALSE;
1004 #elif defined( __WXMAC__ )
1005         strcpy( gwxMacFileName , dir ) ;
1006         wxUnix2MacFilename( gwxMacFileName ) ;
1007   return (rmdir(WXSTRINGCAST gwxMacFileName) == 0);
1008 #else
1009
1010 #ifdef __SALFORDC__
1011   return FALSE; // What to do?
1012 #else
1013   return (rmdir(WXSTRINGCAST dir) == 0);
1014 #endif
1015
1016 #endif
1017 }
1018
1019 #if 0
1020 bool wxDirExists(const wxString& dir)
1021 {
1022 #ifdef __VMS__
1023   return FALSE;
1024 #elif !defined(__WXMSW__)
1025   struct stat sbuf;
1026   return (stat(dir, &sbuf) != -1) && S_ISDIR(sbuf.st_mode) ? TRUE : FALSE;
1027 #else
1028
1029   /* MATTHEW: [6] Always use same code for Win32, call FindClose */
1030 #if defined(__WIN32__)
1031   WIN32_FIND_DATA fileInfo;
1032 #else
1033 #ifdef __BORLANDC__
1034   struct ffblk fileInfo;
1035 #else
1036   struct find_t fileInfo;
1037 #endif
1038 #endif
1039
1040 #if defined(__WIN32__)
1041         HANDLE h = FindFirstFile((LPTSTR) WXSTRINGCAST dir,(LPWIN32_FIND_DATA)&fileInfo);
1042
1043         if (h==INVALID_HANDLE_VALUE)
1044          return FALSE;
1045         else {
1046          FindClose(h);
1047          return ((fileInfo.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) == FILE_ATTRIBUTE_DIRECTORY);
1048         }
1049 #else
1050   // In Borland findfirst has a different argument
1051   // ordering from _dos_findfirst. But _dos_findfirst
1052   // _should_ be ok in both MS and Borland... why not?
1053 #ifdef __BORLANDC__
1054   return ((findfirst(WXSTRINGCAST dir, &fileInfo, _A_SUBDIR) == 0  && (fileInfo.ff_attrib & _A_SUBDIR) != 0));
1055 #else
1056   return (((_dos_findfirst(WXSTRINGCAST dir, _A_SUBDIR, &fileInfo) == 0) && (fileInfo.attrib & _A_SUBDIR)) != 0);
1057 #endif
1058 #endif
1059
1060 #endif
1061 }
1062
1063 #endif
1064
1065 // does the path exists? (may have or not '/' or '\\' at the end)
1066 bool wxPathExists(const char *pszPathName)
1067 {
1068   // Windows API returns -1 from stat for "c:\dir\" if "c:\dir" exists
1069   // OTOH, we should change "d:" to "d:\" and leave "\" as is.
1070   wxString strPath(pszPathName);
1071   if ( wxEndsWithPathSeparator(pszPathName) && pszPathName[1] != '\0' )
1072     strPath.Last() = '\0';
1073
1074 #ifdef __SALFORDC__
1075   struct _stat st;
1076 #else
1077   struct stat st;
1078 #endif
1079
1080   return stat((char*) (const char*) strPath, &st) == 0 && (st.st_mode & S_IFDIR);
1081 }
1082
1083 // Get a temporary filename, opening and closing the file.
1084 char *wxGetTempFileName(const wxString& prefix, char *buf)
1085 {
1086 #ifdef __WINDOWS__
1087
1088 #ifndef        __WIN32__
1089   char tmp[144];
1090   ::GetTempFileName(0, WXSTRINGCAST prefix, 0, tmp);
1091 #else
1092   char tmp[MAX_PATH];
1093   char tmpPath[MAX_PATH];
1094   ::GetTempPath(MAX_PATH, tmpPath);
1095   ::GetTempFileName(tmpPath, WXSTRINGCAST prefix, 0, tmp);
1096 #endif
1097   if (buf) strcpy(buf, tmp);
1098   else buf = copystring(tmp);
1099   return buf;
1100
1101 #else
1102   static short last_temp = 0;        // cache last to speed things a bit
1103   // At most 1000 temp files to a process! We use a ring count.
1104   char tmp[100]; // FIXME static buffer
1105
1106   for (short suffix = last_temp + 1; suffix != last_temp; ++suffix %= 1000)
1107     {
1108       sprintf (tmp, "/tmp/%s%d.%03x", WXSTRINGCAST prefix, (int) getpid (), (int) suffix);
1109       if (!wxFileExists( tmp ))
1110         {
1111           // Touch the file to create it (reserve name)
1112           FILE *fd = fopen (tmp, "w");
1113           if (fd)
1114             fclose (fd);
1115           last_temp = suffix;
1116           if (buf)
1117             strcpy( buf, tmp);
1118           else
1119             buf = copystring( tmp );
1120           return buf;
1121         }
1122     }
1123   wxLogError( _("wxWindows: error finding temporary file name.\n") );
1124   if (buf) buf[0] = 0;
1125   return (char *) NULL;
1126 #endif
1127 }
1128
1129 // Get first file name matching given wild card.
1130
1131 #ifdef __UNIX__
1132
1133 // Get first file name matching given wild card.
1134 // Flags are reserved for future use.
1135
1136 #ifndef __VMS__
1137     static DIR *gs_dirStream = (DIR *) NULL;
1138     static wxString gs_strFileSpec;
1139     static int gs_findFlags = 0;
1140 #endif
1141
1142 wxString wxFindFirstFile(const char *spec, int flags)
1143 {
1144     wxString result;
1145
1146 #ifndef __VMS__
1147     if (gs_dirStream)
1148         closedir(gs_dirStream); // edz 941103: better housekeping
1149
1150     gs_findFlags = flags;
1151
1152     gs_strFileSpec = spec;
1153
1154     // Find path only so we can concatenate
1155     // found file onto path
1156     wxString path(wxPathOnly(gs_strFileSpec));
1157
1158     // special case: path is really "/"
1159     if ( !path && gs_strFileSpec[0u] == '/' )
1160         path = '/';
1161     // path is empty => Local directory
1162     if ( !path )
1163         path = '.';
1164
1165     gs_dirStream = opendir(path);
1166     if ( !gs_dirStream )
1167     {
1168         wxLogSysError(_("Can not enumerate files in directory '%s'"),
1169                       path.c_str());
1170     }
1171     else
1172     {
1173         result = wxFindNextFile();
1174     }
1175 #endif // !VMS
1176
1177     return result;
1178 }
1179
1180 wxString wxFindNextFile()
1181 {
1182     wxString result;
1183
1184 #ifndef __VMS__
1185     wxCHECK_MSG( gs_dirStream, result, "must call wxFindFirstFile first" );
1186
1187     // Find path only so we can concatenate
1188     // found file onto path
1189     wxString path(wxPathOnly(gs_strFileSpec));
1190     wxString name(wxFileNameFromPath(gs_strFileSpec));
1191
1192     /* MATTHEW: special case: path is really "/" */
1193     if ( !path && gs_strFileSpec[0u] == '/')
1194         path = '/';
1195
1196     // Do the reading
1197     struct dirent *nextDir;
1198     for ( nextDir = readdir(gs_dirStream);
1199           nextDir != NULL;
1200           nextDir = readdir(gs_dirStream) )
1201     {
1202         if (wxMatchWild(name, nextDir->d_name))
1203         {
1204             result.Empty();
1205             if ( !path.IsEmpty() )
1206             {
1207                 result = path;
1208                 if ( path != '/' )
1209                     result += '/';
1210             }
1211
1212             result += nextDir->d_name;
1213
1214             // Only return "." and ".." when they match
1215             bool isdir;
1216             if ( (strcmp(nextDir->d_name, ".") == 0) ||
1217                  (strcmp(nextDir->d_name, "..") == 0))
1218             {
1219                 if ( (gs_findFlags & wxDIR) != 0 )
1220                     isdir = TRUE;
1221                 else
1222                     continue;
1223             }
1224             else
1225                 isdir = wxDirExists(result);
1226
1227             // and only return directories when flags & wxDIR
1228             if ( !gs_findFlags ||
1229                  ((gs_findFlags & wxDIR) && isdir) ||
1230                  ((gs_findFlags & wxFILE) && !isdir) )
1231             {
1232                 return result;
1233             }
1234         }
1235     }
1236
1237     result.Empty(); // not found
1238
1239     closedir(gs_dirStream);
1240     gs_dirStream = (DIR *) NULL;
1241 #endif // !VMS
1242
1243     return result;
1244 }
1245
1246 #elif defined(__WXMSW__)
1247
1248 #ifdef __WIN32__
1249     static HANDLE gs_hFileStruct = INVALID_HANDLE_VALUE;
1250     static WIN32_FIND_DATA gs_findDataStruct;
1251 #else // Win16
1252     #ifdef __BORLANDC__
1253         static struct ffblk gs_findDataStruct;
1254     #else
1255         static struct _find_t gs_findDataStruct;
1256     #endif // Borland
1257 #endif // Win32/16
1258
1259 static wxString gs_strFileSpec;
1260 static int gs_findFlags = 0;
1261
1262 wxString wxFindFirstFile(const char *spec, int flags)
1263 {
1264     wxString result;
1265
1266     gs_strFileSpec = spec;
1267     gs_findFlags = flags; /* MATTHEW: [5] Remember flags */
1268
1269     // Find path only so we can concatenate found file onto path
1270     wxString path(wxPathOnly(gs_strFileSpec));
1271     if ( !path.IsEmpty() )
1272         result << path << '\\';
1273
1274 #ifdef __WIN32__
1275     if ( gs_hFileStruct != INVALID_HANDLE_VALUE )
1276         FindClose(gs_hFileStruct);
1277
1278     gs_hFileStruct = ::FindFirstFile(WXSTRINGCAST spec, &gs_findDataStruct);
1279
1280     if ( gs_hFileStruct == INVALID_HANDLE_VALUE )
1281     {
1282         wxLogSysError(_("Can not enumerate files in directory '%s'"),
1283                       path.c_str());
1284
1285         result.Empty();
1286
1287         return result;
1288     }
1289
1290     bool isdir = !!(gs_findDataStruct.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY);
1291
1292     if (isdir && !(flags & wxDIR))
1293         return wxFindNextFile();
1294     else if (!isdir && flags && !(flags & wxFILE))
1295         return wxFindNextFile();
1296
1297     result += gs_findDataStruct.cFileName;
1298
1299     return result;
1300 #else
1301     int flag = _A_NORMAL;
1302     if (flags & wxDIR) /* MATTHEW: [5] Use & */
1303         flag = _A_SUBDIR;
1304
1305 #ifdef __BORLANDC__
1306     if (findfirst(WXSTRINGCAST spec, &gs_findDataStruct, flag) == 0)
1307 #else
1308         if (_dos_findfirst(WXSTRINGCAST spec, flag, &gs_findDataStruct) == 0)
1309 #endif
1310         {
1311             /* MATTHEW: [5] Check directory flag */
1312             char attrib;
1313
1314 #ifdef __BORLANDC__
1315             attrib = gs_findDataStruct.ff_attrib;
1316 #else
1317             attrib = gs_findDataStruct.attrib;
1318 #endif
1319
1320             if (attrib & _A_SUBDIR) {
1321                 if (!(gs_findFlags & wxDIR))
1322                     return wxFindNextFile();
1323             } else if (gs_findFlags && !(gs_findFlags & wxFILE))
1324                 return wxFindNextFile();
1325
1326             result +=
1327 #ifdef __BORLANDC__
1328                     gs_findDataStruct.ff_name
1329 #else
1330                     gs_findDataStruct.name
1331 #endif
1332                     ;
1333         }
1334 #endif // __WIN32__
1335
1336     return result;
1337 }
1338
1339 wxString wxFindNextFile()
1340 {
1341     wxString result;
1342
1343     // Find path only so we can concatenate found file onto path
1344     wxString path(wxPathOnly(gs_strFileSpec));
1345
1346 try_again:
1347
1348 #ifdef __WIN32__
1349     if (gs_hFileStruct == INVALID_HANDLE_VALUE)
1350         return result;
1351
1352     bool success = (FindNextFile(gs_hFileStruct, &gs_findDataStruct) != 0);
1353     if (!success)
1354     {
1355         FindClose(gs_hFileStruct);
1356         gs_hFileStruct = INVALID_HANDLE_VALUE;
1357     }
1358     else
1359     {
1360         bool isdir = !!(gs_findDataStruct.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY);
1361
1362         if (isdir && !(gs_findFlags & wxDIR))
1363             goto try_again;
1364         else if (!isdir && gs_findFlags && !(gs_findFlags & wxFILE))
1365             goto try_again;
1366
1367         if ( !path.IsEmpty() )
1368             result << path << '\\';
1369         result << gs_findDataStruct.cFileName;
1370     }
1371
1372     return result;
1373 #else // Win16
1374
1375 #ifdef __BORLANDC__
1376     if (findnext(&gs_findDataStruct) == 0)
1377 #else
1378         if (_dos_findnext(&gs_findDataStruct) == 0)
1379 #endif
1380         {
1381             /* MATTHEW: [5] Check directory flag */
1382             char attrib;
1383
1384 #ifdef __BORLANDC__
1385             attrib = gs_findDataStruct.ff_attrib;
1386 #else
1387             attrib = gs_findDataStruct.attrib;
1388 #endif
1389
1390             if (attrib & _A_SUBDIR) {
1391                 if (!(gs_findFlags & wxDIR))
1392                     goto try_again;
1393             } else if (gs_findFlags && !(gs_findFlags & wxFILE))
1394                 goto try_again;
1395
1396
1397             result +=
1398 #ifdef __BORLANDC__
1399                       gs_findDataStruct.ff_name
1400 #else
1401                       gs_findDataStruct.name
1402 #endif
1403                       ;
1404         }
1405 #endif // Win32/16
1406
1407     return result;
1408 }
1409
1410 #endif // Unix/Windows
1411
1412 // Get current working directory.
1413 // If buf is NULL, allocates space using new, else
1414 // copies into buf.
1415 char *wxGetWorkingDirectory(char *buf, int sz)
1416 {
1417   if (!buf)
1418     buf = new char[sz+1];
1419 #ifdef _MSC_VER
1420   if (_getcwd(buf, sz) == NULL) {
1421 #else
1422   if (getcwd(buf, sz) == NULL) {
1423 #endif
1424     buf[0] = '.';
1425     buf[1] = '\0';
1426   }
1427   return buf;
1428 }
1429
1430 wxString wxGetCwd()
1431 {
1432     return wxString(wxGetWorkingDirectory());
1433 }
1434
1435 bool wxSetWorkingDirectory(const wxString& d)
1436 {
1437 #if defined( __UNIX__ ) || defined( __WXMAC__ )
1438   return (chdir(d) == 0);
1439 #elif defined(__WINDOWS__)
1440
1441 #ifdef __WIN32__
1442   return (bool)(SetCurrentDirectory(d) != 0);
1443 #else
1444   // Must change drive, too.
1445   bool isDriveSpec = ((strlen(d) > 1) && (d[1] == ':'));
1446   if (isDriveSpec)
1447   {
1448     char firstChar = d[0];
1449
1450     // To upper case
1451     if (firstChar > 90)
1452       firstChar = firstChar - 32;
1453
1454     // To a drive number
1455     unsigned int driveNo = firstChar - 64;
1456     if (driveNo > 0)
1457     {
1458        unsigned int noDrives;
1459        _dos_setdrive(driveNo, &noDrives);
1460     }
1461   }
1462   bool success = (chdir(WXSTRINGCAST d) == 0);
1463
1464   return success;
1465 #endif
1466
1467 #endif
1468 }
1469
1470 // Get the OS directory if appropriate (such as the Windows directory).
1471 // On non-Windows platform, probably just return the empty string.
1472 wxString wxGetOSDirectory()
1473 {
1474 #ifdef __WINDOWS__
1475     char buf[256];
1476     GetWindowsDirectory(buf, 256);
1477     return wxString(buf);
1478 #else
1479     return wxEmptyString;
1480 #endif
1481 }
1482
1483 bool wxEndsWithPathSeparator(const char *pszFileName)
1484 {
1485   size_t len = Strlen(pszFileName);
1486   if ( len == 0 )
1487     return FALSE;
1488   else
1489     return wxIsPathSeparator(pszFileName[len - 1]);
1490 }
1491
1492 // find a file in a list of directories, returns false if not found
1493 bool wxFindFileInPath(wxString *pStr, const char *pszPath, const char *pszFile)
1494 {
1495   // we assume that it's not empty
1496   wxCHECK_MSG( !IsEmpty(pszFile), FALSE,
1497                _("empty file name in wxFindFileInPath"));
1498
1499   // skip path separator in the beginning of the file name if present
1500   if ( wxIsPathSeparator(*pszFile) )
1501     pszFile++;
1502
1503   // copy the path (strtok will modify it)
1504   char *szPath = new char[strlen(pszPath) + 1];
1505   strcpy(szPath, pszPath);
1506
1507   wxString strFile;
1508   char *pc;
1509   for ( pc = strtok(szPath, wxPATH_SEP);
1510         pc != NULL;
1511         pc = strtok((char *) NULL, wxPATH_SEP) )
1512   {
1513     // search for the file in this directory
1514     strFile = pc;
1515     if ( !wxEndsWithPathSeparator(pc) )
1516       strFile += wxFILE_SEP_PATH;
1517     strFile += pszFile;
1518
1519     if ( FileExists(strFile) ) {
1520       *pStr = strFile;
1521       break;
1522     }
1523   }
1524
1525   delete [] szPath;
1526
1527   return pc != NULL;  // if true => we breaked from the loop
1528 }
1529
1530 void WXDLLEXPORT wxSplitPath(const char *pszFileName,
1531                              wxString *pstrPath,
1532                              wxString *pstrName,
1533                              wxString *pstrExt)
1534 {
1535   wxCHECK_RET( pszFileName, "NULL file name in wxSplitPath" );
1536
1537   const char *pDot = strrchr(pszFileName, wxFILE_SEP_EXT);
1538   const char *pSepUnix = strrchr(pszFileName, wxFILE_SEP_PATH_UNIX);
1539   const char *pSepDos = strrchr(pszFileName, wxFILE_SEP_PATH_DOS);
1540
1541   // take the last of the two: nPosUnix containts the last slash in the
1542   // filename
1543   size_t nPosUnix = pSepUnix ? pSepUnix - pszFileName : 0;
1544   size_t nPosDos = pSepDos ? pSepDos - pszFileName : 0;
1545   if ( nPosDos > nPosUnix )
1546     nPosUnix = nPosDos;
1547
1548   if ( pstrPath )
1549     *pstrPath = wxString(pszFileName, nPosUnix);
1550
1551   size_t nPosDot = 0;
1552   if ( pDot )
1553     nPosDot = pDot - pszFileName;
1554
1555   if ( nPosDot > nPosUnix ) {
1556     // the file name looks like "path/name.ext"
1557     if ( pstrName )
1558       *pstrName = wxString(pszFileName + nPosUnix + 1, nPosDot - nPosUnix - 1);
1559     if ( pstrExt )
1560       *pstrExt = wxString(pszFileName + nPosDot + 1);
1561   }
1562   else {
1563     // there is either no dot at all or there is a '/' after it
1564     if ( pstrName )
1565       *pstrName = wxString(pszFileName + nPosUnix + 1);
1566     if ( pstrExt )
1567       pstrExt->Empty();
1568   }
1569 }
1570
1571 //------------------------------------------------------------------------
1572 // wild character routines
1573 //------------------------------------------------------------------------
1574
1575 bool wxIsWild( const wxString& pattern )
1576 {
1577   wxString tmp = pattern;
1578   char *pat = WXSTRINGCAST(tmp);
1579     while (*pat) {
1580         switch (*pat++) {
1581         case '?': case '*': case '[': case '{':
1582             return TRUE;
1583         case '\\':
1584             if (!*pat++)
1585                 return FALSE;
1586         }
1587     }
1588     return FALSE;
1589 };
1590
1591 bool wxMatchWild( const wxString& pat, const wxString& text, bool dot_special )
1592
1593 #if defined(HAVE_FNMATCH_H)
1594 {
1595    if(dot_special)
1596       return fnmatch(pat.c_str(), text.c_str(), FNM_PERIOD) == 0;
1597    else
1598       return fnmatch(pat.c_str(), text.c_str(), 0) == 0;
1599 }
1600 #else
1601
1602 // #pragma error Broken implementation of wxMatchWild() -- needs fixing!
1603
1604    /*
1605     * WARNING: this code is broken!
1606     */
1607 {
1608   wxString tmp1 = pat;
1609   char *pattern = WXSTRINGCAST(tmp1);
1610   wxString tmp2 = text;
1611   char *str = WXSTRINGCAST(tmp2);
1612     char c;
1613     char *cp;
1614     bool done = FALSE, ret_code, ok;
1615     // Below is for vi fans
1616     const char OB = '{', CB = '}';
1617
1618     // dot_special means '.' only matches '.'
1619     if (dot_special && *str == '.' && *pattern != *str)
1620         return FALSE;
1621
1622     while ((*pattern != '\0') && (!done)
1623     && (((*str=='\0')&&((*pattern==OB)||(*pattern=='*')))||(*str!='\0'))) {
1624         switch (*pattern) {
1625         case '\\':
1626             pattern++;
1627             if (*pattern != '\0')
1628                 pattern++;
1629             break;
1630         case '*':
1631             pattern++;
1632             ret_code = FALSE;
1633             while ((*str!='\0')
1634             && (!(ret_code=wxMatchWild(pattern, str++, FALSE))))
1635                 /*loop*/;
1636             if (ret_code) {
1637                 while (*str != '\0')
1638                     str++;
1639                 while (*pattern != '\0')
1640                     pattern++;
1641             }
1642             break;
1643         case '[':
1644             pattern++;
1645           repeat:
1646             if ((*pattern == '\0') || (*pattern == ']')) {
1647                 done = TRUE;
1648                 break;
1649             }
1650             if (*pattern == '\\') {
1651                 pattern++;
1652                 if (*pattern == '\0') {
1653                     done = TRUE;
1654                     break;
1655                 }
1656             }
1657             if (*(pattern + 1) == '-') {
1658                 c = *pattern;
1659                 pattern += 2;
1660                 if (*pattern == ']') {
1661                     done = TRUE;
1662                     break;
1663                 }
1664                 if (*pattern == '\\') {
1665                     pattern++;
1666                     if (*pattern == '\0') {
1667                         done = TRUE;
1668                         break;
1669                     }
1670                 }
1671                 if ((*str < c) || (*str > *pattern)) {
1672                     pattern++;
1673                     goto repeat;
1674                 }
1675             } else if (*pattern != *str) {
1676                 pattern++;
1677                 goto repeat;
1678             }
1679             pattern++;
1680             while ((*pattern != ']') && (*pattern != '\0')) {
1681                 if ((*pattern == '\\') && (*(pattern + 1) != '\0'))
1682                     pattern++;
1683                 pattern++;
1684             }
1685             if (*pattern != '\0') {
1686                 pattern++, str++;
1687             }
1688             break;
1689         case '?':
1690             pattern++;
1691             str++;
1692             break;
1693         case OB:
1694             pattern++;
1695             while ((*pattern != CB) && (*pattern != '\0')) {
1696                 cp = str;
1697                 ok = TRUE;
1698                 while (ok && (*cp != '\0') && (*pattern != '\0')
1699                 &&  (*pattern != ',') && (*pattern != CB)) {
1700                     if (*pattern == '\\')
1701                         pattern++;
1702                     ok = (*pattern++ == *cp++);
1703                 }
1704                 if (*pattern == '\0') {
1705                     ok = FALSE;
1706                     done = TRUE;
1707                     break;
1708                 } else if (ok) {
1709                     str = cp;
1710                     while ((*pattern != CB) && (*pattern != '\0')) {
1711                         if (*++pattern == '\\') {
1712                             if (*++pattern == CB)
1713                                 pattern++;
1714                         }
1715                     }
1716                 } else {
1717                     while (*pattern!=CB && *pattern!=',' && *pattern!='\0') {
1718                         if (*++pattern == '\\') {
1719                             if (*++pattern == CB || *pattern == ',')
1720                                 pattern++;
1721                         }
1722                     }
1723                 }
1724                 if (*pattern != '\0')
1725                     pattern++;
1726             }
1727             break;
1728         default:
1729             if (*str == *pattern) {
1730                 str++, pattern++;
1731             } else {
1732                 done = TRUE;
1733             }
1734         }
1735     }
1736     while (*pattern == '*')
1737         pattern++;
1738     return ((*str == '\0') && (*pattern == '\0'));
1739 };
1740
1741 #endif
1742
1743 #ifdef __VISUALC__
1744     #pragma warning(default:4706)   // assignment within conditional expression
1745 #endif // VC++