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 _MSC_VER
  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 #include <time.h>
  46 #ifndef __MWERKS__
  47 #include <sys/types.h>
  48 #include <sys/stat.h>
  49 #else
  50 #include <stat.h>
  51 #include <unistd.h>
  52 #endif
  53
  54 #ifdef __UNIX__
  55 #include <unistd.h>
  56 #include <dirent.h>
  57 #endif
  58
  59 #ifdef __WINDOWS__
  60 #if !defined( __GNUWIN32__ ) && !defined( __MWERKS__ ) && !defined(__SALFORDC__)
  61 #include <direct.h>
  62 #include <dos.h>
  63 #endif
  64 #endif
  65
  66 #ifdef __GNUWIN32__
  67 #ifndef __TWIN32__
  68 #include <sys/unistd.h>
  69 #endif
  70
  71 #define stricmp strcasecmp
  72 #endif
  73
  74 #ifdef __BORLANDC__ // Please someone tell me which version of Borland needs
  75                     // this (3.1 I believe) and how to test for it.
  76                     // If this works for Borland 4.0 as well, then no worries.
  77 #include <dir.h>
  78 #endif
  79
  80 #ifdef __SALFORDC__
  81 #include <dir.h>
  82 #include <unix.h>
  83 #endif
  84
  85 #include "wx/setup.h"
  86 #include "wx/log.h"
  87
  88 // No, Cygwin doesn't appear to have fnmatch.h after all.
  89 #if defined(HAVE_FNMATCH_H)
  90 #include   "fnmatch.h"
  91 #endif
  92
  93 #ifdef __WINDOWS__
  94 #include "windows.h"
  95 #endif
  96
  97 #define _MAXPATHLEN 500
  98
  99 extern char *wxBuffer;
 100 #ifdef __WXMAC__
 101 extern char gwxMacFileName[] ;
 102 extern char gwxMacFileName2[] ;
 103 extern char gwxMacFileName3[] ;
 104 #endif
 105
 106 #if !USE_SHARED_LIBRARIES
 107 IMPLEMENT_DYNAMIC_CLASS(wxPathList, wxStringList)
 108 #endif
 109
 110 void wxPathList::Add (const wxString& path)
 111 {
 112   wxStringList::Add ((char *)(const char *)path);
 113 }
 114
 115 // Add paths e.g. from the PATH environment variable
 116 void wxPathList::AddEnvList (const wxString& envVariable)
 117 {
 118   static const char PATH_TOKS[] =
 119 #ifdef __WINDOWS__
 120         " ;"; // Don't seperate with colon in DOS (used for drive)
 121 #else
 122         " :;";
 123 #endif
 124
 125   char *val = getenv (WXSTRINGCAST envVariable);
 126   if (val && *val)
 127     {
 128       char *s = copystring (val);
 129       char *token = strtok (s, PATH_TOKS);
 130
 131       if (token)
 132         {
 133           Add (copystring (token));
 134           while (token)
 135             {
 136               if ((token = strtok ((char *) NULL, PATH_TOKS)) != NULL)
 137                 Add (wxString(token));
 138             }
 139         }
 140       delete[]s;
 141     }
 142 }
 143
 144 // Given a full filename (with path), ensure that that file can
 145 // be accessed again USING FILENAME ONLY by adding the path
 146 // to the list if not already there.
 147 void wxPathList::EnsureFileAccessible (const wxString& path)
 148 {
 149   wxString path1(path);
 150   char *path_only = wxPathOnly (WXSTRINGCAST path1);
 151   if (path_only)
 152   {
 153       if (!Member (wxString(path_only)))
 154             Add (wxString(path_only));
 155   }
 156 }
 157
 158 bool wxPathList::Member (const wxString& path)
 159 {
 160   for (wxNode * node = First (); node != NULL; node = node->Next ())
 161   {
 162       wxString path2((char *) node->Data ());
 163       if (
 164 #if defined(__WINDOWS__) || defined(__VMS__) || defined (__WXMAC__)
 165       // Case INDEPENDENT
 166           path.CompareTo (path2, wxString::ignoreCase) == 0
 167 #else
 168       // Case sensitive File System
 169           path.CompareTo (path2) == 0
 170 #endif
 171         )
 172         return TRUE;
 173   }
 174   return FALSE;
 175 }
 176
 177 wxString wxPathList::FindValidPath (const wxString& file)
 178 {
 179   if (wxFileExists (wxExpandPath(wxBuffer, file)))
 180     return wxString(wxBuffer);
 181
 182   char buf[_MAXPATHLEN];
 183   strcpy(buf, wxBuffer);
 184
 185   char *filename = (char*) NULL; /* shut up buggy egcs warning */
 186   filename = IsAbsolutePath (buf) ? wxFileNameFromPath (buf) : (char *)buf;
 187
 188   for (wxNode * node = First (); node; node = node->Next ())
 189     {
 190       char *path = (char *) node->Data ();
 191       strcpy (wxBuffer, path);
 192       char ch = wxBuffer[strlen(wxBuffer)-1];
 193       if (ch != '\\' && ch != '/')
 194         strcat (wxBuffer, "/");
 195       strcat (wxBuffer, filename);
 196 #ifdef __WINDOWS__
 197       Unix2DosFilename (wxBuffer);
 198 #endif
 199       if (wxFileExists (wxBuffer))
 200       {
 201         return wxString(wxBuffer);      // Found!
 202       }
 203     }                           // for()
 204
 205   return wxString("");                  // Not found
 206 }
 207
 208 wxString wxPathList::FindAbsoluteValidPath (const wxString& file)
 209 {
 210   wxString f = FindValidPath(file);
 211   if (wxIsAbsolutePath(f))
 212     return f;
 213   else
 214   {
 215     char buf[500];
 216     wxGetWorkingDirectory(buf, 499);
 217     int len = (int)strlen(buf);
 218     char lastCh = 0;
 219     if (len > 0)
 220       lastCh = buf[len-1];
 221     if (lastCh != '/' && lastCh != '\\')
 222     {
 223 #ifdef __WINDOWS__
 224       strcat(buf, "\\");
 225 #else
 226       strcat(buf, "/");
 227 #endif
 228     }
 229     strcat(buf, (const char *)f);
 230     strcpy(wxBuffer, buf);
 231     return wxString(wxBuffer);
 232   }
 233 }
 234
 235 bool
 236 wxFileExists (const wxString& filename)
 237 {
 238 #ifdef __GNUWIN32__ // (fix a B20 bug)
 239   if (GetFileAttributes(filename) == 0xFFFFFFFF)
 240     return FALSE;
 241   else
 242     return TRUE;
 243 #elif defined(__WXMAC__)
 244         struct stat stbuf;
 245         strcpy( gwxMacFileName , filename ) ;
 246         wxUnix2MacFilename( gwxMacFileName ) ;
 247         if (gwxMacFileName && stat ((char *)(const char *)gwxMacFileName, &stbuf) == 0)
 248         return TRUE;
 249     return FALSE ;
 250 #else
 251
 252 #ifdef __SALFORDC__
 253   struct _stat stbuf;
 254 #else
 255   struct stat stbuf;
 256 #endif
 257
 258   if ((filename != "") && stat ((char *)(const char *)filename, &stbuf) == 0)
 259     return TRUE;
 260   return FALSE;
 261 #endif
 262 }
 263
 264 /* Vadim's alternative implementation
 265
 266 // does the file exist?
 267 bool wxFileExists(const char *pszFileName)
 268 {
 269   struct stat st;
 270   return !access(pszFileName, 0) &&
 271          !stat(pszFileName, &st) &&
 272          (st.st_mode & S_IFREG);
 273 }
 274 */
 275
 276 bool
 277 wxIsAbsolutePath (const wxString& filename)
 278 {
 279   if (filename != "")
 280     {
 281       if (filename[0] == '/'
 282 #ifdef __VMS__
 283       || (filename[0] == '[' && filename[1] != '.')
 284 #endif
 285 #ifdef __WINDOWS__
 286       /* MSDOS */
 287       || filename[0] == '\\' || (isalpha (filename[0]) && filename[1] == ':')
 288 #endif
 289         )
 290         return TRUE;
 291     }
 292   return FALSE;
 293 }
 294
 295 /*
 296  * Strip off any extension (dot something) from end of file,
 297  * IF one exists. Inserts zero into buffer.
 298  *
 299  */
 300
 301 void wxStripExtension(char *buffer)
 302 {
 303   int len = strlen(buffer);
 304   int i = len-1;
 305   while (i > 0)
 306   {
 307     if (buffer[i] == '.')
 308     {
 309       buffer[i] = 0;
 310       break;
 311     }
 312     i --;
 313   }
 314 }
 315
 316 void wxStripExtension(wxString& buffer)
 317 {
 318   size_t len = buffer.Length();
 319   size_t i = len-1;
 320   while (i > 0)
 321   {
 322     if (buffer.GetChar(i) == '.')
 323     {
 324       buffer = buffer.Left(i);
 325       break;
 326     }
 327     i --;
 328   }
 329 }
 330
 331 // Destructive removal of /./ and /../ stuff
 332 char *wxRealPath (char *path)
 333 {
 334 #ifdef __WXMSW__
 335   static const char SEP = '\\';
 336   Unix2DosFilename(path);
 337 #else
 338   static const char SEP = '/';
 339 #endif
 340   if (path[0] && path[1]) {
 341     /* MATTHEW: special case "/./x" */
 342     char *p;
 343     if (path[2] == SEP && path[1] == '.')
 344       p = &path[0];
 345     else
 346       p = &path[2];
 347     for (; *p; p++)
 348       {
 349         if (*p == SEP)
 350           {
 351             if (p[1] == '.' && p[2] == '.' && (p[3] == SEP || p[3] == '\0'))
 352               {
 353                 char *q;
 354                 for (q = p - 1; q >= path && *q != SEP; q--);
 355                 if (q[0] == SEP && (q[1] != '.' || q[2] != '.' || q[3] != SEP)
 356                     && (q - 1 <= path || q[-1] != SEP))
 357                   {
 358                     strcpy (q, p + 3);
 359                     if (path[0] == '\0')
 360                       {
 361                         path[0] = SEP;
 362                         path[1] = '\0';
 363                       }
 364 #ifdef __WXMSW__
 365                     /* Check that path[2] is NULL! */
 366                     else if (path[1] == ':' && !path[2])
 367                       {
 368                         path[2] = SEP;
 369                         path[3] = '\0';
 370                       }
 371 #endif
 372                     p = q - 1;
 373                   }
 374               }
 375             else if (p[1] == '.' && (p[2] == SEP || p[2] == '\0'))
 376               strcpy (p, p + 2);
 377           }
 378       }
 379   }
 380   return path;
 381 }
 382
 383 // Must be destroyed
 384 char *wxCopyAbsolutePath(const wxString& filename)
 385 {
 386   if (filename == "")
 387     return (char *) NULL;
 388
 389   if (! IsAbsolutePath(wxExpandPath(wxBuffer, filename))) {
 390     char    buf[_MAXPATHLEN];
 391     buf[0] = '\0';
 392     wxGetWorkingDirectory(buf, sizeof(buf)/sizeof(char));
 393     char ch = buf[strlen(buf) - 1];
 394 #ifdef __WXMSW__
 395     if (ch != '\\' && ch != '/')
 396         strcat(buf, "\\");
 397 #else
 398     if (ch != '/')
 399         strcat(buf, "/");
 400 #endif
 401     strcat(buf, wxBuffer);
 402     return copystring( wxRealPath(buf) );
 403   }
 404   return copystring( wxBuffer );
 405 }
 406
 407 /*-
 408  Handles:
 409    ~/ => home dir
 410    ~user/ => user's home dir
 411    If the environment variable a = "foo" and b = "bar" then:
 412    Unix:
 413         $a      =>      foo
 414         $a$b    =>      foobar
 415         $a.c    =>      foo.c
 416         xxx$a   =>      xxxfoo
 417         ${a}!   =>      foo!
 418         $(b)!   =>      bar!
 419         \$a     =>      \$a
 420    MSDOS:
 421         $a      ==>     $a
 422         $(a)    ==>     foo
 423         $(a)$b  ==>     foo$b
 424         $(a)$(b)==>     foobar
 425         test.$$ ==>     test.$$
 426  */
 427
 428 /* input name in name, pathname output to buf. */
 429
 430 char *wxExpandPath(char *buf, const char *name)
 431 {
 432     register char  *d, *s, *nm;
 433     char            lnm[_MAXPATHLEN];
 434     int                         q;
 435
 436     // Some compilers don't like this line.
 437 //    const char      trimchars[] = "\n \t";
 438
 439     char      trimchars[4];
 440     trimchars[0] = '\n';
 441     trimchars[1] = ' ';
 442     trimchars[2] = '\t';
 443     trimchars[3] = 0;
 444
 445 #ifdef __WXMSW__
 446      const char     SEP = '\\';
 447 #else
 448      const char     SEP = '/';
 449 #endif
 450     buf[0] = '\0';
 451     if (name == NULL || *name == '\0')
 452         return buf;
 453     nm = copystring(name); // Make a scratch copy
 454     char *nm_tmp = nm;
 455
 456     /* Skip leading whitespace and cr */
 457     while (strchr((char *)trimchars, *nm) != NULL)
 458         nm++;
 459     /* And strip off trailing whitespace and cr */
 460     s = nm + (q = strlen(nm)) - 1;
 461     while (q-- && strchr((char *)trimchars, *s) != NULL)
 462         *s = '\0';
 463
 464     s = nm;
 465     d = lnm;
 466 #ifdef __WXMSW__
 467     q = FALSE;
 468 #else
 469     q = nm[0] == '\\' && nm[1] == '~';
 470 #endif
 471
 472     /* Expand inline environment variables */
 473     while ((*d++ = *s)) {
 474 #ifndef __WXMSW__
 475         if (*s == '\\') {
 476             if ((*(d - 1) = *++s)) {
 477                 s++;
 478                 continue;
 479             } else
 480                 break;
 481         } else
 482 #endif
 483 #ifdef __WXMSW__
 484         if (*s++ == '$' && (*s == '{' || *s == ')'))
 485 #else
 486         if (*s++ == '$')
 487 #endif
 488         {
 489             register char  *start = d;
 490             register int   braces = (*s == '{' || *s == '(');
 491             register char  *value;
 492             while ((*d++ = *s))
 493                 if (braces ? (*s == '}' || *s == ')') : !(isalnum(*s) || *s == '_') )
 494                     break;
 495                 else
 496                     s++;
 497             *--d = 0;
 498             value = getenv(braces ? start + 1 : start);
 499             if (value) {
 500                 for ((d = start - 1); (*d++ = *value++););
 501                 d--;
 502                 if (braces && *s)
 503                     s++;
 504             }
 505         }
 506     }
 507
 508     /* Expand ~ and ~user */
 509     nm = lnm;
 510     s = "";
 511     if (nm[0] == '~' && !q)
 512     {
 513         /* prefix ~ */
 514         if (nm[1] == SEP || nm[1] == 0)
 515         {       /* ~/filename */
 516             if ((s = wxGetUserHome("")) != NULL) {
 517                 if (*++nm)
 518                     nm++;
 519             }
 520         } else
 521         {               /* ~user/filename */
 522             register char  *nnm;
 523             register char  *home;
 524             for (s = nm; *s && *s != SEP; s++);
 525             int was_sep; /* MATTHEW: Was there a separator, or NULL? */
 526             was_sep = (*s == SEP);
 527             nnm = *s ? s + 1 : s;
 528             *s = 0;
 529             if ((home = wxGetUserHome(wxString(nm + 1))) == NULL) {
 530                if (was_sep) /* replace only if it was there: */
 531                   *s = SEP;
 532                 s = "";
 533             } else {
 534                 nm = nnm;
 535                 s = home;
 536             }
 537         }
 538     }
 539
 540     d = buf;
 541     if (s && *s) { /* MATTHEW: s could be NULL if user '~' didn't exist */
 542         /* Copy home dir */
 543         while ('\0' != (*d++ = *s++))
 544           /* loop */;
 545         // Handle root home
 546         if (d - 1 > buf && *(d - 2) != SEP)
 547           *(d - 1) = SEP;
 548     }
 549     s = nm;
 550     while ((*d++ = *s++));
 551
 552     delete[] nm_tmp; // clean up alloc
 553     /* Now clean up the buffer */
 554     return wxRealPath(buf);
 555 }
 556
 557
 558 /* Contract Paths to be build upon an environment variable
 559    component:
 560
 561    example: "/usr/openwin/lib", OPENWINHOME --> ${OPENWINHOME}/lib
 562
 563    The call wxExpandPath can convert these back!
 564  */
 565 char *
 566 wxContractPath (const wxString& filename, const wxString& envname, const wxString& user)
 567 {
 568   static char dest[_MAXPATHLEN];
 569
 570   if (filename == "")
 571     return (char *) NULL;
 572
 573   strcpy (dest, WXSTRINGCAST filename);
 574 #ifdef __WXMSW__
 575   Unix2DosFilename(dest);
 576 #endif
 577
 578   // Handle environment
 579   char *val = (char *) NULL;
 580   char *tcp = (char *) NULL;
 581   if (envname != WXSTRINGCAST NULL && (val = getenv (WXSTRINGCAST envname)) != NULL &&
 582      (tcp = strstr (dest, val)) != NULL)
 583     {
 584         strcpy (wxBuffer, tcp + strlen (val));
 585         *tcp++ = '$';
 586         *tcp++ = '{';
 587         strcpy (tcp, WXSTRINGCAST envname);
 588         strcat (tcp, "}");
 589         strcat (tcp, wxBuffer);
 590     }
 591
 592   // Handle User's home (ignore root homes!)
 593   size_t len = 0;
 594   if ((val = wxGetUserHome (user)) != NULL &&
 595       (len = strlen(val)) > 2 &&
 596       strncmp(dest, val, len) == 0)
 597     {
 598       strcpy(wxBuffer, "~");
 599       if (user != "")
 600              strcat(wxBuffer, (const char*) user);
 601 #ifdef __WXMSW__
 602 //      strcat(wxBuffer, "\\");
 603 #else
 604 //      strcat(wxBuffer, "/");
 605 #endif
 606       strcat(wxBuffer, dest + len);
 607       strcpy (dest, wxBuffer);
 608     }
 609
 610   return dest;
 611 }
 612
 613 // Return just the filename, not the path
 614 // (basename)
 615 char *wxFileNameFromPath (char *path)
 616 {
 617   if (path)
 618     {
 619       register char *tcp;
 620
 621       tcp = path + strlen (path);
 622       while (--tcp >= path)
 623         {
 624           if (*tcp == '/' || *tcp == '\\'
 625 #ifdef __VMS__
 626      || *tcp == ':' || *tcp == ']')
 627 #else
 628      )
 629 #endif
 630             return tcp + 1;
 631         }                       /* while */
 632 #ifdef __WXMSW__
 633       if (isalpha (*path) && *(path + 1) == ':')
 634         return path + 2;
 635 #endif
 636     }
 637   return path;
 638 }
 639
 640 wxString wxFileNameFromPath (const wxString& path1)
 641 {
 642   if (path1 != "")
 643   {
 644
 645       char *path = WXSTRINGCAST path1 ;
 646       register char *tcp;
 647
 648       tcp = path + strlen (path);
 649       while (--tcp >= path)
 650           {
 651             if (*tcp == '/' || *tcp == '\\'
 652 #ifdef __VMS__
 653         || *tcp == ':' || *tcp == ']')
 654 #else
 655         )
 656 #endif
 657                 return wxString(tcp + 1);
 658             }                   /* while */
 659 #ifdef __WXMSW__
 660       if (isalpha (*path) && *(path + 1) == ':')
 661             return wxString(path + 2);
 662 #endif
 663     }
 664   // Yes, this should return the path, not an empty string, otherwise
 665   // we get "thing.txt" -> "".
 666   return path1;
 667 }
 668
 669 // Return just the directory, or NULL if no directory
 670 char *
 671 wxPathOnly (char *path)
 672 {
 673   if (path && *path)
 674     {
 675       static char buf[_MAXPATHLEN];
 676
 677       // Local copy
 678       strcpy (buf, path);
 679
 680       int l = strlen(path);
 681       bool done = FALSE;
 682
 683       int i = l - 1;
 684
 685       // Search backward for a backward or forward slash
 686       while (!done && i > -1)
 687       {
 688         // ] is for VMS
 689         if (path[i] == '/' || path[i] == '\\' || path[i] == ']')
 690         {
 691           done = TRUE;
 692 #ifdef __VMS__
 693           buf[i+1] = 0;
 694 #else
 695           buf[i] = 0;
 696 #endif
 697
 698           return buf;
 699         }
 700         else i --;
 701       }
 702
 703 #ifdef __WXMSW__
 704       // Try Drive specifier
 705       if (isalpha (buf[0]) && buf[1] == ':')
 706         {
 707           // A:junk --> A:. (since A:.\junk Not A:\junk)
 708           buf[2] = '.';
 709           buf[3] = '\0';
 710           return buf;
 711         }
 712 #endif
 713     }
 714
 715   return (char *) NULL;
 716 }
 717
 718 // Return just the directory, or NULL if no directory
 719 wxString wxPathOnly (const wxString& path)
 720 {
 721   if (path != "")
 722     {
 723       char buf[_MAXPATHLEN];
 724
 725       // Local copy
 726       strcpy (buf, WXSTRINGCAST path);
 727
 728       int l = path.Length();
 729       bool done = FALSE;
 730
 731       int i = l - 1;
 732
 733       // Search backward for a backward or forward slash
 734       while (!done && i > -1)
 735       {
 736         // ] is for VMS
 737         if (path[i] == '/' || path[i] == '\\' || path[i] == ']')
 738         {
 739           done = TRUE;
 740 #ifdef __VMS__
 741           buf[i+1] = 0;
 742 #else
 743           buf[i] = 0;
 744 #endif
 745
 746           return wxString(buf);
 747         }
 748         else i --;
 749       }
 750
 751 #ifdef __WXMSW__
 752       // Try Drive specifier
 753       if (isalpha (buf[0]) && buf[1] == ':')
 754         {
 755           // A:junk --> A:. (since A:.\junk Not A:\junk)
 756           buf[2] = '.';
 757           buf[3] = '\0';
 758           return wxString(buf);
 759         }
 760 #endif
 761     }
 762
 763   return wxString("");
 764 }
 765
 766 // Utility for converting delimiters in DOS filenames to UNIX style
 767 // and back again - or we get nasty problems with delimiters.
 768 // Also, convert to lower case, since case is significant in UNIX.
 769
 770 #ifdef __WXMAC__
 771 void
 772 wxMac2UnixFilename (char *s)
 773 {
 774         if (s)
 775         {
 776                 memmove( s+1 , s ,strlen( s ) + 1) ;
 777                 if ( *s == ':' )
 778                         *s = '.' ;
 779                 else
 780                         *s = '/' ;
 781
 782                 while (*s)
 783                 {
 784                         if (*s == ':')
 785                           *s = '/';
 786                         else
 787                           *s = wxToLower (*s);  // Case INDEPENDENT
 788                         s++;
 789                 }
 790         }
 791 }
 792
 793 void
 794 wxUnix2MacFilename (char *s)
 795 {
 796         if (s)
 797         {
 798                 if ( *s == '.' )
 799                 {
 800                         // relative path , since it goes on with slash which is translated to a :
 801                         memmove( s , s+1 ,strlen( s ) ) ;
 802                 }
 803                 else if ( *s == '/' )
 804                 {
 805                         // absolute path -> on mac just start with the drive name
 806                         memmove( s , s+1 ,strlen( s ) ) ;
 807                 }
 808                 else
 809                 {
 810                         wxASSERT_MSG( 1 , "unkown path beginning" ) ;
 811                 }
 812                 while (*s)
 813                 {
 814                         if (*s == '/' || *s == '\\')
 815                                 *s = ':';
 816
 817                         s++ ;
 818                 }
 819         }
 820 }
 821 #endif
 822 void
 823 wxDos2UnixFilename (char *s)
 824 {
 825   if (s)
 826     while (*s)
 827       {
 828         if (*s == '\\')
 829           *s = '/';
 830 #ifdef __WXMSW__
 831         else
 832           *s = wxToLower (*s);  // Case INDEPENDENT
 833 #endif
 834         s++;
 835       }
 836 }
 837
 838 void
 839 #ifdef __WXMSW__
 840 wxUnix2DosFilename (char *s)
 841 #else
 842 wxUnix2DosFilename (char *WXUNUSED(s))
 843 #endif
 844 {
 845 // Yes, I really mean this to happen under DOS only! JACS
 846 #ifdef __WXMSW__
 847   if (s)
 848     while (*s)
 849       {
 850         if (*s == '/')
 851           *s = '\\';
 852         s++;
 853       }
 854 #endif
 855 }
 856
 857 // Concatenate two files to form third
 858 bool
 859 wxConcatFiles (const wxString& file1, const wxString& file2, const wxString& file3)
 860 {
 861   char *outfile = wxGetTempFileName("cat");
 862
 863   FILE *fp1 = (FILE *) NULL;
 864   FILE *fp2 = (FILE *) NULL;
 865   FILE *fp3 = (FILE *) NULL;
 866   // Open the inputs and outputs
 867 #ifdef __WXMAC__
 868         strcpy( gwxMacFileName , file1 ) ;
 869         wxUnix2MacFilename( gwxMacFileName ) ;
 870         strcpy( gwxMacFileName2 , file2) ;
 871         wxUnix2MacFilename( gwxMacFileName2 ) ;
 872         strcpy( gwxMacFileName3 , outfile) ;
 873         wxUnix2MacFilename( gwxMacFileName3 ) ;
 874
 875   if ((fp1 = fopen (gwxMacFileName, "rb")) == NULL ||
 876       (fp2 = fopen (gwxMacFileName2, "rb")) == NULL ||
 877       (fp3 = fopen (gwxMacFileName3, "wb")) == NULL)
 878 #else
 879   if ((fp1 = fopen (WXSTRINGCAST file1, "rb")) == NULL ||
 880       (fp2 = fopen (WXSTRINGCAST file2, "rb")) == NULL ||
 881       (fp3 = fopen (outfile, "wb")) == NULL)
 882 #endif
 883     {
 884       if (fp1)
 885         fclose (fp1);
 886       if (fp2)
 887         fclose (fp2);
 888       if (fp3)
 889         fclose (fp3);
 890       return FALSE;
 891     }
 892
 893   int ch;
 894   while ((ch = getc (fp1)) != EOF)
 895     (void) putc (ch, fp3);
 896   fclose (fp1);
 897
 898   while ((ch = getc (fp2)) != EOF)
 899     (void) putc (ch, fp3);
 900   fclose (fp2);
 901
 902   fclose (fp3);
 903   bool result = wxRenameFile(outfile, file3);
 904   delete[] outfile;
 905   return result;
 906 }
 907
 908 // Copy files
 909 bool
 910 wxCopyFile (const wxString& file1, const wxString& file2)
 911 {
 912   FILE *fd1;
 913   FILE *fd2;
 914   int ch;
 915
 916 #ifdef __WXMAC__
 917         strcpy( gwxMacFileName , file1 ) ;
 918         wxUnix2MacFilename( gwxMacFileName ) ;
 919         strcpy( gwxMacFileName2 , file2) ;
 920         wxUnix2MacFilename( gwxMacFileName2 ) ;
 921
 922   if ((fd1 = fopen (gwxMacFileName, "rb")) == NULL)
 923     return FALSE;
 924   if ((fd2 = fopen (gwxMacFileName2, "wb")) == NULL)
 925 #else
 926   if ((fd1 = fopen (WXSTRINGCAST file1, "rb")) == NULL)
 927     return FALSE;
 928   if ((fd2 = fopen (WXSTRINGCAST file2, "wb")) == NULL)
 929 #endif
 930     {
 931       fclose (fd1);
 932       return FALSE;
 933     }
 934
 935   while ((ch = getc (fd1)) != EOF)
 936     (void) putc (ch, fd2);
 937
 938   fclose (fd1);
 939   fclose (fd2);
 940   return TRUE;
 941 }
 942
 943 bool
 944 wxRenameFile (const wxString& file1, const wxString& file2)
 945 {
 946 #ifdef __WXMAC__
 947         strcpy( gwxMacFileName , file1 ) ;
 948         wxUnix2MacFilename( gwxMacFileName ) ;
 949         strcpy( gwxMacFileName2 , file2) ;
 950         wxUnix2MacFilename( gwxMacFileName2 ) ;
 951
 952   if (0 == rename (gwxMacFileName, gwxMacFileName2))
 953     return TRUE;
 954 #else
 955   // Normal system call
 956   if (0 == rename (WXSTRINGCAST file1, WXSTRINGCAST file2))
 957     return TRUE;
 958 #endif
 959   // Try to copy
 960   if (wxCopyFile(file1, file2)) {
 961     wxRemoveFile(file1);
 962     return TRUE;
 963   }
 964   // Give up
 965   return FALSE;
 966 }
 967
 968 bool wxRemoveFile(const wxString& file)
 969 {
 970 #if defined(_MSC_VER) || defined(__BORLANDC__) || defined(__WATCOMC__)
 971   int flag = remove(WXSTRINGCAST file);
 972 #elif defined( __WXMAC__ )
 973         strcpy( gwxMacFileName , file ) ;
 974         wxUnix2MacFilename( gwxMacFileName ) ;
 975   int flag = unlink(gwxMacFileName);
 976 #else
 977   int flag = unlink(WXSTRINGCAST file);
 978 #endif
 979   return (flag == 0) ;
 980 }
 981
 982 bool wxMkdir(const wxString& dir)
 983 {
 984 #if defined(__WXSTUBS__)
 985   return FALSE;
 986 #elif defined(__VMS__)
 987         return FALSE;
 988 #elif defined( __WXMAC__ )
 989   strcpy( gwxMacFileName , dir ) ;
 990   wxUnix2MacFilename( gwxMacFileName ) ;
 991   return (mkdir(gwxMacFileName , 0 ) == 0);
 992 #elif (defined(__GNUWIN32__) && !defined(__MINGW32__)) || !defined(__WXMSW__)
 993   return (mkdir (WXSTRINGCAST dir, S_IRUSR | S_IWUSR | S_IXUSR | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH) == 0);
 994 #else
 995   return (mkdir(WXSTRINGCAST dir) == 0);
 996 #endif
 997 }
 998
 999 bool wxRmdir(const wxString& dir, int WXUNUSED(flags))
1000 {
1001 #ifdef __VMS__
1002   return FALSE;
1003 #elif defined( __WXMAC__ )
1004         strcpy( gwxMacFileName , dir ) ;
1005         wxUnix2MacFilename( gwxMacFileName ) ;
1006   return (rmdir(WXSTRINGCAST gwxMacFileName) == 0);
1007 #else
1008
1009 #ifdef __SALFORDC__
1010   return FALSE; // What to do?
1011 #else
1012   return (rmdir(WXSTRINGCAST dir) == 0);
1013 #endif
1014
1015 #endif
1016 }
1017
1018 #if 0
1019 bool wxDirExists(const wxString& dir)
1020 {
1021 #ifdef __VMS__
1022   return FALSE;
1023 #elif !defined(__WXMSW__)
1024   struct stat sbuf;
1025   return (stat(dir, &sbuf) != -1) && S_ISDIR(sbuf.st_mode) ? TRUE : FALSE;
1026 #else
1027
1028   /* MATTHEW: [6] Always use same code for Win32, call FindClose */
1029 #if defined(__WIN32__)
1030   WIN32_FIND_DATA fileInfo;
1031 #else
1032 #ifdef __BORLANDC__
1033   struct ffblk fileInfo;
1034 #else
1035   struct find_t fileInfo;
1036 #endif
1037 #endif
1038
1039 #if defined(__WIN32__)
1040         HANDLE h = FindFirstFile((LPTSTR) WXSTRINGCAST dir,(LPWIN32_FIND_DATA)&fileInfo);
1041
1042         if (h==INVALID_HANDLE_VALUE)
1043          return FALSE;
1044         else {
1045          FindClose(h);
1046          return ((fileInfo.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) == FILE_ATTRIBUTE_DIRECTORY);
1047         }
1048 #else
1049   // In Borland findfirst has a different argument
1050   // ordering from _dos_findfirst. But _dos_findfirst
1051   // _should_ be ok in both MS and Borland... why not?
1052 #ifdef __BORLANDC__
1053   return ((findfirst(WXSTRINGCAST dir, &fileInfo, _A_SUBDIR) == 0  && (fileInfo.ff_attrib & _A_SUBDIR) != 0));
1054 #else
1055   return (((_dos_findfirst(WXSTRINGCAST dir, _A_SUBDIR, &fileInfo) == 0) && (fileInfo.attrib & _A_SUBDIR)) != 0);
1056 #endif
1057 #endif
1058
1059 #endif
1060 }
1061
1062 #endif
1063
1064 // does the path exists? (may have or not '/' or '\\' at the end)
1065 bool wxPathExists(const char *pszPathName)
1066 {
1067   // Windows API returns -1 from stat for "c:\dir\" if "c:\dir" exists
1068   // OTOH, we should change "d:" to "d:\" and leave "\" as is.
1069   wxString strPath(pszPathName);
1070   if ( wxEndsWithPathSeparator(pszPathName) && pszPathName[1] != '\0' )
1071     strPath.Last() = '\0';
1072
1073 #ifdef __SALFORDC__
1074   struct _stat st;
1075 #else
1076   struct stat st;
1077 #endif
1078
1079   return stat((char*) (const char*) strPath, &st) == 0 && (st.st_mode & S_IFDIR);
1080 }
1081
1082 // Get a temporary filename, opening and closing the file.
1083 char *wxGetTempFileName(const wxString& prefix, char *buf)
1084 {
1085 #ifdef __WINDOWS__
1086
1087 #ifndef __WIN32__
1088   char tmp[144];
1089   ::GetTempFileName(0, WXSTRINGCAST prefix, 0, tmp);
1090 #else
1091   char tmp[MAX_PATH];
1092   char tmpPath[MAX_PATH];
1093   ::GetTempPath(MAX_PATH, tmpPath);
1094   ::GetTempFileName(tmpPath, WXSTRINGCAST prefix, 0, tmp);
1095 #endif
1096   if (buf) strcpy(buf, tmp);
1097   else buf = copystring(tmp);
1098   return buf;
1099
1100 #else
1101   static short last_temp = 0;   // cache last to speed things a bit
1102   // At most 1000 temp files to a process! We use a ring count.
1103   char tmp[100]; // FIXME static buffer
1104
1105   for (short suffix = last_temp + 1; suffix != last_temp; ++suffix %= 1000)
1106     {
1107       sprintf (tmp, "/tmp/%s%d.%03x", WXSTRINGCAST prefix, (int) getpid (), (int) suffix);
1108       if (!wxFileExists( tmp ))
1109         {
1110           // Touch the file to create it (reserve name)
1111           FILE *fd = fopen (tmp, "w");
1112           if (fd)
1113             fclose (fd);
1114           last_temp = suffix;
1115           if (buf)
1116             strcpy( buf, tmp);
1117           else
1118             buf = copystring( tmp );
1119           return buf;
1120         }
1121     }
1122   wxLogError( _("wxWindows: error finding temporary file name.\n") );
1123   if (buf) buf[0] = 0;
1124   return (char *) NULL;
1125 #endif
1126 }
1127
1128 // Get first file name matching given wild card.
1129
1130 #ifdef __UNIX__
1131
1132 // Get first file name matching given wild card.
1133 // Flags are reserved for future use.
1134
1135 #ifndef __VMS__
1136 static DIR *wxDirStream = (DIR *) NULL;
1137 static char *wxFileSpec = (char *) NULL;
1138 static int wxFindFileFlags = 0;
1139 #endif
1140
1141 char *wxFindFirstFile(const char *spec, int flags)
1142 {
1143 #ifndef __VMS__
1144   if (wxDirStream)
1145     closedir(wxDirStream); // edz 941103: better housekeping
1146
1147   wxFindFileFlags = flags;
1148
1149   if (wxFileSpec)
1150     delete[] wxFileSpec;
1151   wxFileSpec = copystring(spec);
1152
1153   // Find path only so we can concatenate
1154   // found file onto path
1155   char *p = wxPathOnly(wxFileSpec);
1156
1157   /* MATTHEW: special case: path is really "/" */
1158   if (p && !*p && *wxFileSpec == '/')
1159     p = "/";
1160   /* MATTHEW: p is NULL => Local directory */
1161   if (!p)
1162     p = ".";
1163
1164   if ((wxDirStream=opendir(p))==NULL)
1165     return (char *) NULL;
1166
1167  /* MATTHEW: [5] wxFindNextFile can do the rest of the work */
1168   return wxFindNextFile();
1169 #endif
1170  // ifndef __VMS__
1171   return (char *) NULL;
1172 }
1173
1174 char *wxFindNextFile(void)
1175 {
1176 #ifndef __VMS__
1177   static char buf[400]; // FIXME static buffer
1178
1179   /* MATTHEW: [2] Don't crash if we read too many times */
1180   if (!wxDirStream)
1181     return (char *) NULL;
1182
1183   // Find path only so we can concatenate
1184   // found file onto path
1185   char *p = wxPathOnly(wxFileSpec);
1186   char *n = wxFileNameFromPath(wxFileSpec);
1187
1188   /* MATTHEW: special case: path is really "/" */
1189   if (p && !*p && *wxFileSpec == '/')
1190     p = "/";
1191
1192   // Do the reading
1193   struct dirent *nextDir;
1194   for (nextDir = readdir(wxDirStream); nextDir != NULL; nextDir = readdir(wxDirStream))
1195   {
1196
1197     /* MATTHEW: [5] Only return "." and ".." when they match, and only return
1198        directories when flags & wxDIR */
1199     if (wxMatchWild(n, nextDir->d_name)) {
1200       bool isdir;
1201
1202       buf[0] = 0;
1203       if (p && *p) {
1204         strcpy(buf, p);
1205         if (strcmp(p, "/") != 0)
1206           strcat(buf, "/");
1207       }
1208       strcat(buf, nextDir->d_name);
1209
1210       if ((strcmp(nextDir->d_name, ".") == 0) ||
1211           (strcmp(nextDir->d_name, "..") == 0)) {
1212         if (wxFindFileFlags && !(wxFindFileFlags & wxDIR))
1213           continue;
1214         isdir = TRUE;
1215       } else
1216         isdir = wxDirExists(buf);
1217
1218       if (!wxFindFileFlags
1219           || ((wxFindFileFlags & wxDIR) && isdir)
1220           || ((wxFindFileFlags & wxFILE) && !isdir))
1221         return buf;
1222     }
1223   }
1224   closedir(wxDirStream);
1225   wxDirStream = (DIR *) NULL;
1226 #endif
1227  // ifndef __VMS__
1228
1229   return (char *) NULL;
1230 }
1231
1232 #elif defined(__WXMSW__)
1233
1234 #ifdef __WIN32__
1235 HANDLE wxFileStrucHandle = INVALID_HANDLE_VALUE;
1236 WIN32_FIND_DATA wxFileStruc;
1237 #else
1238 #ifdef __BORLANDC__
1239 static struct ffblk wxFileStruc;
1240 #else
1241 static struct _find_t wxFileStruc;
1242 #endif
1243 #endif
1244 static wxString wxFileSpec = "";
1245 static int wxFindFileFlags;
1246
1247 char *wxFindFirstFile(const char *spec, int flags)
1248 {
1249   wxFileSpec = spec;
1250   wxFindFileFlags = flags; /* MATTHEW: [5] Remember flags */
1251
1252   // Find path only so we can concatenate
1253   // found file onto path
1254   wxString path1(wxFileSpec);
1255   char *p = wxPathOnly(WXSTRINGCAST path1);
1256   if (p && (strlen(p) > 0))
1257          strcpy(wxBuffer, p);
1258   else
1259          wxBuffer[0] = 0;
1260
1261 #ifdef __WIN32__
1262   if (wxFileStrucHandle != INVALID_HANDLE_VALUE)
1263          FindClose(wxFileStrucHandle);
1264
1265   wxFileStrucHandle = ::FindFirstFile(WXSTRINGCAST spec, &wxFileStruc);
1266
1267   if (wxFileStrucHandle == INVALID_HANDLE_VALUE)
1268          return NULL;
1269
1270   bool isdir = !!(wxFileStruc.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY);
1271
1272   if (isdir && !(flags & wxDIR))
1273          return wxFindNextFile();
1274   else if (!isdir && flags && !(flags & wxFILE))
1275          return wxFindNextFile();
1276
1277   if (wxBuffer[0] != 0)
1278          strcat(wxBuffer, "\\");
1279   strcat(wxBuffer, wxFileStruc.cFileName);
1280   return wxBuffer;
1281 #else
1282
1283   int flag = _A_NORMAL;
1284   if (flags & wxDIR) /* MATTHEW: [5] Use & */
1285     flag = _A_SUBDIR;
1286
1287 #ifdef __BORLANDC__
1288   if (findfirst(WXSTRINGCAST spec, &wxFileStruc, flag) == 0)
1289 #else
1290   if (_dos_findfirst(WXSTRINGCAST spec, flag, &wxFileStruc) == 0)
1291 #endif
1292   {
1293     /* MATTHEW: [5] Check directory flag */
1294     char attrib;
1295
1296 #ifdef __BORLANDC__
1297     attrib = wxFileStruc.ff_attrib;
1298 #else
1299     attrib = wxFileStruc.attrib;
1300 #endif
1301
1302     if (attrib & _A_SUBDIR) {
1303       if (!(wxFindFileFlags & wxDIR))
1304         return wxFindNextFile();
1305     } else if (wxFindFileFlags && !(wxFindFileFlags & wxFILE))
1306                 return wxFindNextFile();
1307
1308          if (wxBuffer[0] != 0)
1309                 strcat(wxBuffer, "\\");
1310
1311 #ifdef __BORLANDC__
1312          strcat(wxBuffer, wxFileStruc.ff_name);
1313 #else
1314          strcat(wxBuffer, wxFileStruc.name);
1315 #endif
1316          return wxBuffer;
1317   }
1318   else
1319     return NULL;
1320 #endif // __WIN32__
1321 }
1322
1323 char *wxFindNextFile(void)
1324 {
1325   // Find path only so we can concatenate
1326   // found file onto path
1327   wxString p2(wxFileSpec);
1328   char *p = wxPathOnly(WXSTRINGCAST p2);
1329   if (p && (strlen(p) > 0))
1330          strcpy(wxBuffer, p);
1331   else
1332          wxBuffer[0] = 0;
1333
1334  try_again:
1335
1336 #ifdef __WIN32__
1337   if (wxFileStrucHandle == INVALID_HANDLE_VALUE)
1338          return NULL;
1339
1340   bool success = (FindNextFile(wxFileStrucHandle, &wxFileStruc) != 0);
1341   if (!success) {
1342                 FindClose(wxFileStrucHandle);
1343       wxFileStrucHandle = INVALID_HANDLE_VALUE;
1344                 return NULL;
1345   }
1346
1347   bool isdir = !!(wxFileStruc.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY);
1348
1349   if (isdir && !(wxFindFileFlags & wxDIR))
1350     goto try_again;
1351   else if (!isdir && wxFindFileFlags && !(wxFindFileFlags & wxFILE))
1352          goto try_again;
1353
1354   if (wxBuffer[0] != 0)
1355     strcat(wxBuffer, "\\");
1356   strcat(wxBuffer, wxFileStruc.cFileName);
1357   return wxBuffer;
1358 #else
1359
1360 #ifdef __BORLANDC__
1361   if (findnext(&wxFileStruc) == 0)
1362 #else
1363   if (_dos_findnext(&wxFileStruc) == 0)
1364 #endif
1365   {
1366     /* MATTHEW: [5] Check directory flag */
1367     char attrib;
1368
1369 #ifdef __BORLANDC__
1370     attrib = wxFileStruc.ff_attrib;
1371 #else
1372     attrib = wxFileStruc.attrib;
1373 #endif
1374
1375     if (attrib & _A_SUBDIR) {
1376       if (!(wxFindFileFlags & wxDIR))
1377         goto try_again;
1378     } else if (wxFindFileFlags && !(wxFindFileFlags & wxFILE))
1379       goto try_again;
1380
1381
1382          if (wxBuffer[0] != 0)
1383       strcat(wxBuffer, "\\");
1384 #ifdef __BORLANDC__
1385          strcat(wxBuffer, wxFileStruc.ff_name);
1386 #else
1387          strcat(wxBuffer, wxFileStruc.name);
1388 #endif
1389          return wxBuffer;
1390   }
1391   else
1392     return NULL;
1393 #endif
1394 }
1395
1396 #endif
1397  // __WXMSW__
1398
1399 // Get current working directory.
1400 // If buf is NULL, allocates space using new, else
1401 // copies into buf.
1402 char *wxGetWorkingDirectory(char *buf, int sz)
1403 {
1404   if (!buf)
1405     buf = new char[sz+1];
1406 #ifdef _MSC_VER
1407   if (_getcwd(buf, sz) == NULL) {
1408 #else
1409   if (getcwd(buf, sz) == NULL) {
1410 #endif
1411     buf[0] = '.';
1412     buf[1] = '\0';
1413   }
1414   return buf;
1415 }
1416
1417 bool wxSetWorkingDirectory(const wxString& d)
1418 {
1419 #if defined( __UNIX__ ) || defined( __WXMAC__ )
1420   return (chdir(d) == 0);
1421 #elif defined(__WINDOWS__)
1422
1423 #ifdef __WIN32__
1424   return (bool)(SetCurrentDirectory(d) != 0);
1425 #else
1426   // Must change drive, too.
1427   bool isDriveSpec = ((strlen(d) > 1) && (d[1] == ':'));
1428   if (isDriveSpec)
1429   {
1430     char firstChar = d[0];
1431
1432     // To upper case
1433     if (firstChar > 90)
1434       firstChar = firstChar - 32;
1435
1436     // To a drive number
1437     unsigned int driveNo = firstChar - 64;
1438     if (driveNo > 0)
1439     {
1440        unsigned int noDrives;
1441        _dos_setdrive(driveNo, &noDrives);
1442     }
1443   }
1444   bool success = (chdir(WXSTRINGCAST d) == 0);
1445
1446   return success;
1447 #endif
1448
1449 #endif
1450 }
1451
1452 bool wxEndsWithPathSeparator(const char *pszFileName)
1453 {
1454   size_t len = Strlen(pszFileName);
1455   if ( len == 0 )
1456     return FALSE;
1457   else
1458     return wxIsPathSeparator(pszFileName[len - 1]);
1459 }
1460
1461 // find a file in a list of directories, returns false if not found
1462 bool wxFindFileInPath(wxString *pStr, const char *pszPath, const char *pszFile)
1463 {
1464   // we assume that it's not empty
1465   wxCHECK_MSG( !IsEmpty(pszFile), FALSE,
1466                _("empty file name in wxFindFileInPath"));
1467
1468   // skip path separator in the beginning of the file name if present
1469   if ( wxIsPathSeparator(*pszFile) )
1470     pszFile++;
1471
1472   // copy the path (strtok will modify it)
1473   char *szPath = new char[strlen(pszPath) + 1];
1474   strcpy(szPath, pszPath);
1475
1476   wxString strFile;
1477   char *pc;
1478   for ( pc = strtok(szPath, PATH_SEP); pc; pc = strtok((char *) NULL, PATH_SEP) ) {
1479     // search for the file in this directory
1480     strFile = pc;
1481     if ( !wxEndsWithPathSeparator(pc) )
1482       strFile += FILE_SEP_PATH;
1483     strFile += pszFile;
1484
1485     if ( FileExists(strFile) ) {
1486       *pStr = strFile;
1487       break;
1488     }
1489   }
1490
1491   delete [] szPath;
1492
1493   return pc != NULL;  // if true => we breaked from the loop
1494 }
1495
1496 void WXDLLEXPORT wxSplitPath(const char *pszFileName,
1497                              wxString *pstrPath,
1498                              wxString *pstrName,
1499                              wxString *pstrExt)
1500 {
1501   wxCHECK_RET( pszFileName, _("NULL file name in wxSplitPath") );
1502
1503   const char *pDot = strrchr(pszFileName, FILE_SEP_EXT);
1504   const char *pSepUnix = strrchr(pszFileName, FILE_SEP_PATH_UNIX);
1505   const char *pSepDos = strrchr(pszFileName, FILE_SEP_PATH_DOS);
1506
1507   // take the last of the two
1508   size_t nPosUnix = pSepUnix ? pSepUnix - pszFileName : 0;
1509   size_t nPosDos = pSepDos ? pSepDos - pszFileName : 0;
1510   if ( nPosDos > nPosUnix )
1511     nPosUnix = nPosDos;
1512 //  size_t nLen = Strlen(pszFileName);
1513
1514   if ( pstrPath )
1515     *pstrPath = wxString(pszFileName, nPosUnix);
1516   if ( pDot ) {
1517     size_t nPosDot = pDot - pszFileName;
1518     if ( pstrName )
1519       *pstrName = wxString(pszFileName + nPosUnix + 1, nPosDot - nPosUnix);
1520     if ( pstrExt )
1521       *pstrExt = wxString(pszFileName + nPosDot + 1);
1522   }
1523   else {
1524     if ( pstrName )
1525       *pstrName = wxString(pszFileName + nPosUnix + 1);
1526     if ( pstrExt )
1527       pstrExt->Empty();
1528   }
1529 }
1530
1531 //------------------------------------------------------------------------
1532 // wild character routines
1533 //------------------------------------------------------------------------
1534
1535 bool wxIsWild( const wxString& pattern )
1536 {
1537   wxString tmp = pattern;
1538   char *pat = WXSTRINGCAST(tmp);
1539     while (*pat) {
1540         switch (*pat++) {
1541         case '?': case '*': case '[': case '{':
1542             return TRUE;
1543         case '\\':
1544             if (!*pat++)
1545                 return FALSE;
1546         }
1547     }
1548     return FALSE;
1549 };
1550
1551 bool wxMatchWild( const wxString& pat, const wxString& text, bool dot_special )
1552
1553 #if defined(HAVE_FNMATCH_H)
1554 {
1555    if(dot_special)
1556       return fnmatch(pat.c_str(), text.c_str(), FNM_PERIOD) == 0;
1557    else
1558       return fnmatch(pat.c_str(), text.c_str(), 0) == 0;
1559 }
1560 #else
1561
1562 // #pragma error Broken implementation of wxMatchWild() -- needs fixing!
1563
1564    /*
1565     * WARNING: this code is broken!
1566     */
1567 {
1568   wxString tmp1 = pat;
1569   char *pattern = WXSTRINGCAST(tmp1);
1570   wxString tmp2 = text;
1571   char *str = WXSTRINGCAST(tmp2);
1572     char c;
1573     char *cp;
1574     bool done = FALSE, ret_code, ok;
1575     // Below is for vi fans
1576     const char OB = '{', CB = '}';
1577
1578     // dot_special means '.' only matches '.'
1579     if (dot_special && *str == '.' && *pattern != *str)
1580         return FALSE;
1581
1582     while ((*pattern != '\0') && (!done)
1583     && (((*str=='\0')&&((*pattern==OB)||(*pattern=='*')))||(*str!='\0'))) {
1584         switch (*pattern) {
1585         case '\\':
1586             pattern++;
1587             if (*pattern != '\0')
1588                 pattern++;
1589             break;
1590         case '*':
1591             pattern++;
1592             ret_code = FALSE;
1593             while ((*str!='\0')
1594             && (!(ret_code=wxMatchWild(pattern, str++, FALSE))))
1595                 /*loop*/;
1596             if (ret_code) {
1597                 while (*str != '\0')
1598                     str++;
1599                 while (*pattern != '\0')
1600                     pattern++;
1601             }
1602             break;
1603         case '[':
1604             pattern++;
1605           repeat:
1606             if ((*pattern == '\0') || (*pattern == ']')) {
1607                 done = TRUE;
1608                 break;
1609             }
1610             if (*pattern == '\\') {
1611                 pattern++;
1612                 if (*pattern == '\0') {
1613                     done = TRUE;
1614                     break;
1615                 }
1616             }
1617             if (*(pattern + 1) == '-') {
1618                 c = *pattern;
1619                 pattern += 2;
1620                 if (*pattern == ']') {
1621                     done = TRUE;
1622                     break;
1623                 }
1624                 if (*pattern == '\\') {
1625                     pattern++;
1626                     if (*pattern == '\0') {
1627                         done = TRUE;
1628                         break;
1629                     }
1630                 }
1631                 if ((*str < c) || (*str > *pattern)) {
1632                     pattern++;
1633                     goto repeat;
1634                 }
1635             } else if (*pattern != *str) {
1636                 pattern++;
1637                 goto repeat;
1638             }
1639             pattern++;
1640             while ((*pattern != ']') && (*pattern != '\0')) {
1641                 if ((*pattern == '\\') && (*(pattern + 1) != '\0'))
1642                     pattern++;
1643                 pattern++;
1644             }
1645             if (*pattern != '\0') {
1646                 pattern++, str++;
1647             }
1648             break;
1649         case '?':
1650             pattern++;
1651             str++;
1652             break;
1653         case OB:
1654             pattern++;
1655             while ((*pattern != CB) && (*pattern != '\0')) {
1656                 cp = str;
1657                 ok = TRUE;
1658                 while (ok && (*cp != '\0') && (*pattern != '\0')
1659                 &&  (*pattern != ',') && (*pattern != CB)) {
1660                     if (*pattern == '\\')
1661                         pattern++;
1662                     ok = (*pattern++ == *cp++);
1663                 }
1664                 if (*pattern == '\0') {
1665                     ok = FALSE;
1666                     done = TRUE;
1667                     break;
1668                 } else if (ok) {
1669                     str = cp;
1670                     while ((*pattern != CB) && (*pattern != '\0')) {
1671                         if (*++pattern == '\\') {
1672                             if (*++pattern == CB)
1673                                 pattern++;
1674                         }
1675                     }
1676                 } else {
1677                     while (*pattern!=CB && *pattern!=',' && *pattern!='\0') {
1678                         if (*++pattern == '\\') {
1679                             if (*++pattern == CB || *pattern == ',')
1680                                 pattern++;
1681                         }
1682                     }
1683                 }
1684                 if (*pattern != '\0')
1685                     pattern++;
1686             }
1687             break;
1688         default:
1689             if (*str == *pattern) {
1690                 str++, pattern++;
1691             } else {
1692                 done = TRUE;
1693             }
1694         }
1695     }
1696     while (*pattern == '*')
1697         pattern++;
1698     return ((*str == '\0') && (*pattern == '\0'));
1699 };
1700
1701 #endif
1702
1703 #ifdef _MSC_VER
1704     #pragma warning(default:4706)   // assignment within conditional expression
1705 #endif // VC++