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 = tolower(*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 = tolower(*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, int perm)
 984 {
 985 #if defined( __WXMAC__ )
 986     strcpy( gwxMacFileName , dir ) ;
 987     wxUnix2MacFilename( gwxMacFileName ) ;
 988     const char *dirname = gwxMacFileName;
 989 #else // !Mac
 990     const char *dirname = dir.c_str();
 991 #endif // Mac/!Mac
 992
 993     // assume mkdir() has 2 args on non Windows platforms and on Windows too
 994     // for the GNU compiler
 995 #if !defined(__WXMSW__) || (defined(__GNUWIN32__) && !defined(__MINGW32__))
 996     if ( mkdir(dirname, perm) != 0 )
 997 #else  // MSW
 998     if ( mkdir(dirname) != 0 )
 999 #endif // !MSW/MSW
1000     {
1001         wxLogSysError(_("Directory '%s' couldn't be created"), dirname);
1002
1003         return FALSE;
1004     }
1005
1006     return TRUE;
1007 }
1008
1009 bool wxRmdir(const wxString& dir, int WXUNUSED(flags))
1010 {
1011 #ifdef __VMS__
1012   return FALSE;
1013 #elif defined( __WXMAC__ )
1014         strcpy( gwxMacFileName , dir ) ;
1015         wxUnix2MacFilename( gwxMacFileName ) ;
1016   return (rmdir(WXSTRINGCAST gwxMacFileName) == 0);
1017 #else
1018
1019 #ifdef __SALFORDC__
1020   return FALSE; // What to do?
1021 #else
1022   return (rmdir(WXSTRINGCAST dir) == 0);
1023 #endif
1024
1025 #endif
1026 }
1027
1028 #if 0
1029 bool wxDirExists(const wxString& dir)
1030 {
1031 #ifdef __VMS__
1032   return FALSE;
1033 #elif !defined(__WXMSW__)
1034   struct stat sbuf;
1035   return (stat(dir, &sbuf) != -1) && S_ISDIR(sbuf.st_mode) ? TRUE : FALSE;
1036 #else
1037
1038   /* MATTHEW: [6] Always use same code for Win32, call FindClose */
1039 #if defined(__WIN32__)
1040   WIN32_FIND_DATA fileInfo;
1041 #else
1042 #ifdef __BORLANDC__
1043   struct ffblk fileInfo;
1044 #else
1045   struct find_t fileInfo;
1046 #endif
1047 #endif
1048
1049 #if defined(__WIN32__)
1050         HANDLE h = FindFirstFile((LPTSTR) WXSTRINGCAST dir,(LPWIN32_FIND_DATA)&fileInfo);
1051
1052         if (h==INVALID_HANDLE_VALUE)
1053          return FALSE;
1054         else {
1055          FindClose(h);
1056          return ((fileInfo.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) == FILE_ATTRIBUTE_DIRECTORY);
1057         }
1058 #else
1059   // In Borland findfirst has a different argument
1060   // ordering from _dos_findfirst. But _dos_findfirst
1061   // _should_ be ok in both MS and Borland... why not?
1062 #ifdef __BORLANDC__
1063   return ((findfirst(WXSTRINGCAST dir, &fileInfo, _A_SUBDIR) == 0  && (fileInfo.ff_attrib & _A_SUBDIR) != 0));
1064 #else
1065   return (((_dos_findfirst(WXSTRINGCAST dir, _A_SUBDIR, &fileInfo) == 0) && (fileInfo.attrib & _A_SUBDIR)) != 0);
1066 #endif
1067 #endif
1068
1069 #endif
1070 }
1071
1072 #endif
1073
1074 // does the path exists? (may have or not '/' or '\\' at the end)
1075 bool wxPathExists(const char *pszPathName)
1076 {
1077   // Windows API returns -1 from stat for "c:\dir\" if "c:\dir" exists
1078   // OTOH, we should change "d:" to "d:\" and leave "\" as is.
1079   wxString strPath(pszPathName);
1080   if ( wxEndsWithPathSeparator(pszPathName) && pszPathName[1] != '\0' )
1081     strPath.Last() = '\0';
1082
1083 #ifdef __SALFORDC__
1084   struct _stat st;
1085 #else
1086   struct stat st;
1087 #endif
1088
1089   return stat((char*) (const char*) strPath, &st) == 0 && (st.st_mode & S_IFDIR);
1090 }
1091
1092 // Get a temporary filename, opening and closing the file.
1093 char *wxGetTempFileName(const wxString& prefix, char *buf)
1094 {
1095 #ifdef __WINDOWS__
1096
1097 #ifndef        __WIN32__
1098   char tmp[144];
1099   ::GetTempFileName(0, WXSTRINGCAST prefix, 0, tmp);
1100 #else
1101   char tmp[MAX_PATH];
1102   char tmpPath[MAX_PATH];
1103   ::GetTempPath(MAX_PATH, tmpPath);
1104   ::GetTempFileName(tmpPath, WXSTRINGCAST prefix, 0, tmp);
1105 #endif
1106   if (buf) strcpy(buf, tmp);
1107   else buf = copystring(tmp);
1108   return buf;
1109
1110 #else
1111   static short last_temp = 0;        // cache last to speed things a bit
1112   // At most 1000 temp files to a process! We use a ring count.
1113   char tmp[100]; // FIXME static buffer
1114
1115   for (short suffix = last_temp + 1; suffix != last_temp; ++suffix %= 1000)
1116     {
1117       sprintf (tmp, "/tmp/%s%d.%03x", WXSTRINGCAST prefix, (int) getpid (), (int) suffix);
1118       if (!wxFileExists( tmp ))
1119         {
1120           // Touch the file to create it (reserve name)
1121           FILE *fd = fopen (tmp, "w");
1122           if (fd)
1123             fclose (fd);
1124           last_temp = suffix;
1125           if (buf)
1126             strcpy( buf, tmp);
1127           else
1128             buf = copystring( tmp );
1129           return buf;
1130         }
1131     }
1132   wxLogError( _("wxWindows: error finding temporary file name.\n") );
1133   if (buf) buf[0] = 0;
1134   return (char *) NULL;
1135 #endif
1136 }
1137
1138 // Get first file name matching given wild card.
1139
1140 #ifdef __UNIX__
1141
1142 // Get first file name matching given wild card.
1143 // Flags are reserved for future use.
1144
1145 #ifndef __VMS__
1146     static DIR *gs_dirStream = (DIR *) NULL;
1147     static wxString gs_strFileSpec;
1148     static int gs_findFlags = 0;
1149 #endif
1150
1151 wxString wxFindFirstFile(const char *spec, int flags)
1152 {
1153     wxString result;
1154
1155 #ifndef __VMS__
1156     if (gs_dirStream)
1157         closedir(gs_dirStream); // edz 941103: better housekeping
1158
1159     gs_findFlags = flags;
1160
1161     gs_strFileSpec = spec;
1162
1163     // Find path only so we can concatenate
1164     // found file onto path
1165     wxString path(wxPathOnly(gs_strFileSpec));
1166
1167     // special case: path is really "/"
1168     if ( !path && gs_strFileSpec[0u] == '/' )
1169         path = '/';
1170     // path is empty => Local directory
1171     if ( !path )
1172         path = '.';
1173
1174     gs_dirStream = opendir(path);
1175     if ( !gs_dirStream )
1176     {
1177         wxLogSysError(_("Can not enumerate files in directory '%s'"),
1178                       path.c_str());
1179     }
1180     else
1181     {
1182         result = wxFindNextFile();
1183     }
1184 #endif // !VMS
1185
1186     return result;
1187 }
1188
1189 wxString wxFindNextFile()
1190 {
1191     wxString result;
1192
1193 #ifndef __VMS__
1194     wxCHECK_MSG( gs_dirStream, result, "must call wxFindFirstFile first" );
1195
1196     // Find path only so we can concatenate
1197     // found file onto path
1198     wxString path(wxPathOnly(gs_strFileSpec));
1199     wxString name(wxFileNameFromPath(gs_strFileSpec));
1200
1201     /* MATTHEW: special case: path is really "/" */
1202     if ( !path && gs_strFileSpec[0u] == '/')
1203         path = '/';
1204
1205     // Do the reading
1206     struct dirent *nextDir;
1207     for ( nextDir = readdir(gs_dirStream);
1208           nextDir != NULL;
1209           nextDir = readdir(gs_dirStream) )
1210     {
1211         if (wxMatchWild(name, nextDir->d_name))
1212         {
1213             result.Empty();
1214             if ( !path.IsEmpty() )
1215             {
1216                 result = path;
1217                 if ( path != '/' )
1218                     result += '/';
1219             }
1220
1221             result += nextDir->d_name;
1222
1223             // Only return "." and ".." when they match
1224             bool isdir;
1225             if ( (strcmp(nextDir->d_name, ".") == 0) ||
1226                  (strcmp(nextDir->d_name, "..") == 0))
1227             {
1228                 if ( (gs_findFlags & wxDIR) != 0 )
1229                     isdir = TRUE;
1230                 else
1231                     continue;
1232             }
1233             else
1234                 isdir = wxDirExists(result);
1235
1236             // and only return directories when flags & wxDIR
1237             if ( !gs_findFlags ||
1238                  ((gs_findFlags & wxDIR) && isdir) ||
1239                  ((gs_findFlags & wxFILE) && !isdir) )
1240             {
1241                 return result;
1242             }
1243         }
1244     }
1245
1246     result.Empty(); // not found
1247
1248     closedir(gs_dirStream);
1249     gs_dirStream = (DIR *) NULL;
1250 #endif // !VMS
1251
1252     return result;
1253 }
1254
1255 #elif defined(__WXMSW__)
1256
1257 #ifdef __WIN32__
1258     static HANDLE gs_hFileStruct = INVALID_HANDLE_VALUE;
1259     static WIN32_FIND_DATA gs_findDataStruct;
1260 #else // Win16
1261     #ifdef __BORLANDC__
1262         static struct ffblk gs_findDataStruct;
1263     #else
1264         static struct _find_t gs_findDataStruct;
1265     #endif // Borland
1266 #endif // Win32/16
1267
1268 static wxString gs_strFileSpec;
1269 static int gs_findFlags = 0;
1270
1271 wxString wxFindFirstFile(const char *spec, int flags)
1272 {
1273     wxString result;
1274
1275     gs_strFileSpec = spec;
1276     gs_findFlags = flags; /* MATTHEW: [5] Remember flags */
1277
1278     // Find path only so we can concatenate found file onto path
1279     wxString path(wxPathOnly(gs_strFileSpec));
1280     if ( !path.IsEmpty() )
1281         result << path << '\\';
1282
1283 #ifdef __WIN32__
1284     if ( gs_hFileStruct != INVALID_HANDLE_VALUE )
1285         FindClose(gs_hFileStruct);
1286
1287     gs_hFileStruct = ::FindFirstFile(WXSTRINGCAST spec, &gs_findDataStruct);
1288
1289     if ( gs_hFileStruct == INVALID_HANDLE_VALUE )
1290     {
1291         result.Empty();
1292
1293         return result;
1294     }
1295
1296     bool isdir = !!(gs_findDataStruct.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY);
1297
1298     if (isdir && !(flags & wxDIR))
1299         return wxFindNextFile();
1300     else if (!isdir && flags && !(flags & wxFILE))
1301         return wxFindNextFile();
1302
1303     result += gs_findDataStruct.cFileName;
1304
1305     return result;
1306 #else
1307     int flag = _A_NORMAL;
1308     if (flags & wxDIR) /* MATTHEW: [5] Use & */
1309         flag = _A_SUBDIR;
1310
1311 #ifdef __BORLANDC__
1312     if (findfirst(WXSTRINGCAST spec, &gs_findDataStruct, flag) == 0)
1313 #else
1314         if (_dos_findfirst(WXSTRINGCAST spec, flag, &gs_findDataStruct) == 0)
1315 #endif
1316         {
1317             /* MATTHEW: [5] Check directory flag */
1318             char attrib;
1319
1320 #ifdef __BORLANDC__
1321             attrib = gs_findDataStruct.ff_attrib;
1322 #else
1323             attrib = gs_findDataStruct.attrib;
1324 #endif
1325
1326             if (attrib & _A_SUBDIR) {
1327                 if (!(gs_findFlags & wxDIR))
1328                     return wxFindNextFile();
1329             } else if (gs_findFlags && !(gs_findFlags & wxFILE))
1330                 return wxFindNextFile();
1331
1332             result +=
1333 #ifdef __BORLANDC__
1334                     gs_findDataStruct.ff_name
1335 #else
1336                     gs_findDataStruct.name
1337 #endif
1338                     ;
1339         }
1340 #endif // __WIN32__
1341
1342     return result;
1343 }
1344
1345 wxString wxFindNextFile()
1346 {
1347     wxString result;
1348
1349     // Find path only so we can concatenate found file onto path
1350     wxString path(wxPathOnly(gs_strFileSpec));
1351
1352 try_again:
1353
1354 #ifdef __WIN32__
1355     if (gs_hFileStruct == INVALID_HANDLE_VALUE)
1356         return result;
1357
1358     bool success = (FindNextFile(gs_hFileStruct, &gs_findDataStruct) != 0);
1359     if (!success)
1360     {
1361         FindClose(gs_hFileStruct);
1362         gs_hFileStruct = INVALID_HANDLE_VALUE;
1363     }
1364     else
1365     {
1366         bool isdir = !!(gs_findDataStruct.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY);
1367
1368         if (isdir && !(gs_findFlags & wxDIR))
1369             goto try_again;
1370         else if (!isdir && gs_findFlags && !(gs_findFlags & wxFILE))
1371             goto try_again;
1372
1373         if ( !path.IsEmpty() )
1374             result << path << '\\';
1375         result << gs_findDataStruct.cFileName;
1376     }
1377
1378     return result;
1379 #else // Win16
1380
1381 #ifdef __BORLANDC__
1382     if (findnext(&gs_findDataStruct) == 0)
1383 #else
1384         if (_dos_findnext(&gs_findDataStruct) == 0)
1385 #endif
1386         {
1387             /* MATTHEW: [5] Check directory flag */
1388             char attrib;
1389
1390 #ifdef __BORLANDC__
1391             attrib = gs_findDataStruct.ff_attrib;
1392 #else
1393             attrib = gs_findDataStruct.attrib;
1394 #endif
1395
1396             if (attrib & _A_SUBDIR) {
1397                 if (!(gs_findFlags & wxDIR))
1398                     goto try_again;
1399             } else if (gs_findFlags && !(gs_findFlags & wxFILE))
1400                 goto try_again;
1401
1402
1403             result +=
1404 #ifdef __BORLANDC__
1405                       gs_findDataStruct.ff_name
1406 #else
1407                       gs_findDataStruct.name
1408 #endif
1409                       ;
1410         }
1411 #endif // Win32/16
1412
1413     return result;
1414 }
1415
1416 #endif // Unix/Windows
1417
1418 // Get current working directory.
1419 // If buf is NULL, allocates space using new, else
1420 // copies into buf.
1421 char *wxGetWorkingDirectory(char *buf, int sz)
1422 {
1423   if (!buf)
1424     buf = new char[sz+1];
1425 #ifdef _MSC_VER
1426   if (_getcwd(buf, sz) == NULL) {
1427 #else
1428   if (getcwd(buf, sz) == NULL) {
1429 #endif
1430     buf[0] = '.';
1431     buf[1] = '\0';
1432   }
1433   return buf;
1434 }
1435
1436 wxString wxGetCwd()
1437 {
1438     static const size_t maxPathLen = 1024;
1439
1440     wxString str;
1441     wxGetWorkingDirectory(str.GetWriteBuf(maxPathLen), maxPathLen);
1442     str.UngetWriteBuf();
1443
1444     return str;
1445 }
1446
1447 bool wxSetWorkingDirectory(const wxString& d)
1448 {
1449 #if defined( __UNIX__ ) || defined( __WXMAC__ )
1450   return (chdir(d) == 0);
1451 #elif defined(__WINDOWS__)
1452
1453 #ifdef __WIN32__
1454   return (bool)(SetCurrentDirectory(d) != 0);
1455 #else
1456   // Must change drive, too.
1457   bool isDriveSpec = ((strlen(d) > 1) && (d[1] == ':'));
1458   if (isDriveSpec)
1459   {
1460     char firstChar = d[0];
1461
1462     // To upper case
1463     if (firstChar > 90)
1464       firstChar = firstChar - 32;
1465
1466     // To a drive number
1467     unsigned int driveNo = firstChar - 64;
1468     if (driveNo > 0)
1469     {
1470        unsigned int noDrives;
1471        _dos_setdrive(driveNo, &noDrives);
1472     }
1473   }
1474   bool success = (chdir(WXSTRINGCAST d) == 0);
1475
1476   return success;
1477 #endif
1478
1479 #endif
1480 }
1481
1482 // Get the OS directory if appropriate (such as the Windows directory).
1483 // On non-Windows platform, probably just return the empty string.
1484 wxString wxGetOSDirectory()
1485 {
1486 #ifdef __WINDOWS__
1487     char buf[256];
1488     GetWindowsDirectory(buf, 256);
1489     return wxString(buf);
1490 #else
1491     return wxEmptyString;
1492 #endif
1493 }
1494
1495 bool wxEndsWithPathSeparator(const char *pszFileName)
1496 {
1497   size_t len = Strlen(pszFileName);
1498   if ( len == 0 )
1499     return FALSE;
1500   else
1501     return wxIsPathSeparator(pszFileName[len - 1]);
1502 }
1503
1504 // find a file in a list of directories, returns false if not found
1505 bool wxFindFileInPath(wxString *pStr, const char *pszPath, const char *pszFile)
1506 {
1507   // we assume that it's not empty
1508   wxCHECK_MSG( !IsEmpty(pszFile), FALSE,
1509                _("empty file name in wxFindFileInPath"));
1510
1511   // skip path separator in the beginning of the file name if present
1512   if ( wxIsPathSeparator(*pszFile) )
1513     pszFile++;
1514
1515   // copy the path (strtok will modify it)
1516   char *szPath = new char[strlen(pszPath) + 1];
1517   strcpy(szPath, pszPath);
1518
1519   wxString strFile;
1520   char *pc;
1521   for ( pc = strtok(szPath, wxPATH_SEP);
1522         pc != NULL;
1523         pc = strtok((char *) NULL, wxPATH_SEP) )
1524   {
1525     // search for the file in this directory
1526     strFile = pc;
1527     if ( !wxEndsWithPathSeparator(pc) )
1528       strFile += wxFILE_SEP_PATH;
1529     strFile += pszFile;
1530
1531     if ( FileExists(strFile) ) {
1532       *pStr = strFile;
1533       break;
1534     }
1535   }
1536
1537   delete [] szPath;
1538
1539   return pc != NULL;  // if true => we breaked from the loop
1540 }
1541
1542 void WXDLLEXPORT wxSplitPath(const char *pszFileName,
1543                              wxString *pstrPath,
1544                              wxString *pstrName,
1545                              wxString *pstrExt)
1546 {
1547     // it can be empty, but it shouldn't be NULL
1548     wxCHECK_RET( pszFileName, "NULL file name in wxSplitPath" );
1549
1550     const char *pDot = strrchr(pszFileName, wxFILE_SEP_EXT);
1551
1552 #ifdef __WXMSW__
1553     // under Windows we understand both separators
1554     const char *pSepUnix = strrchr(pszFileName, wxFILE_SEP_PATH_UNIX);
1555     const char *pSepDos = strrchr(pszFileName, wxFILE_SEP_PATH_DOS);
1556     const char *pLastSeparator = pSepUnix > pSepDos ? pSepUnix : pSepDos;
1557 #else // assume Unix
1558     const char *pLastSeparator = strrchr(pszFileName, wxFILE_SEP_PATH_UNIX);
1559
1560     if ( pDot == pszFileName )
1561     {
1562         // under Unix files like .profile are treated in a special way
1563         pDot = NULL;
1564     }
1565 #endif // MSW/Unix
1566
1567     if ( pDot < pLastSeparator )
1568     {
1569         // the dot is part of the path, not the start of the extension
1570         pDot = NULL;
1571     }
1572
1573     if ( pstrPath )
1574     {
1575         if ( pLastSeparator )
1576             *pstrPath = wxString(pszFileName, pLastSeparator - pszFileName);
1577         else
1578             pstrPath->Empty();
1579     }
1580
1581     if ( pstrName )
1582     {
1583         const char *start = pLastSeparator ? pLastSeparator + 1 : pszFileName;
1584         const char *end = pDot ? pDot : pszFileName + strlen(pszFileName);
1585
1586         *pstrName = wxString(start, end - start);
1587     }
1588
1589     if ( pstrExt )
1590     {
1591         if ( pDot )
1592             *pstrExt = wxString(pDot + 1);
1593         else
1594             pstrExt->Empty();
1595     }
1596 }
1597
1598 //------------------------------------------------------------------------
1599 // wild character routines
1600 //------------------------------------------------------------------------
1601
1602 bool wxIsWild( const wxString& pattern )
1603 {
1604   wxString tmp = pattern;
1605   char *pat = WXSTRINGCAST(tmp);
1606     while (*pat) {
1607         switch (*pat++) {
1608         case '?': case '*': case '[': case '{':
1609             return TRUE;
1610         case '\\':
1611             if (!*pat++)
1612                 return FALSE;
1613         }
1614     }
1615     return FALSE;
1616 };
1617
1618 bool wxMatchWild( const wxString& pat, const wxString& text, bool dot_special )
1619
1620 #if defined(HAVE_FNMATCH_H)
1621 {
1622    if(dot_special)
1623       return fnmatch(pat.c_str(), text.c_str(), FNM_PERIOD) == 0;
1624    else
1625       return fnmatch(pat.c_str(), text.c_str(), 0) == 0;
1626 }
1627 #else
1628
1629 // #pragma error Broken implementation of wxMatchWild() -- needs fixing!
1630
1631    /*
1632     * WARNING: this code is broken!
1633     */
1634 {
1635   wxString tmp1 = pat;
1636   char *pattern = WXSTRINGCAST(tmp1);
1637   wxString tmp2 = text;
1638   char *str = WXSTRINGCAST(tmp2);
1639     char c;
1640     char *cp;
1641     bool done = FALSE, ret_code, ok;
1642     // Below is for vi fans
1643     const char OB = '{', CB = '}';
1644
1645     // dot_special means '.' only matches '.'
1646     if (dot_special && *str == '.' && *pattern != *str)
1647         return FALSE;
1648
1649     while ((*pattern != '\0') && (!done)
1650     && (((*str=='\0')&&((*pattern==OB)||(*pattern=='*')))||(*str!='\0'))) {
1651         switch (*pattern) {
1652         case '\\':
1653             pattern++;
1654             if (*pattern != '\0')
1655                 pattern++;
1656             break;
1657         case '*':
1658             pattern++;
1659             ret_code = FALSE;
1660             while ((*str!='\0')
1661             && (!(ret_code=wxMatchWild(pattern, str++, FALSE))))
1662                 /*loop*/;
1663             if (ret_code) {
1664                 while (*str != '\0')
1665                     str++;
1666                 while (*pattern != '\0')
1667                     pattern++;
1668             }
1669             break;
1670         case '[':
1671             pattern++;
1672           repeat:
1673             if ((*pattern == '\0') || (*pattern == ']')) {
1674                 done = TRUE;
1675                 break;
1676             }
1677             if (*pattern == '\\') {
1678                 pattern++;
1679                 if (*pattern == '\0') {
1680                     done = TRUE;
1681                     break;
1682                 }
1683             }
1684             if (*(pattern + 1) == '-') {
1685                 c = *pattern;
1686                 pattern += 2;
1687                 if (*pattern == ']') {
1688                     done = TRUE;
1689                     break;
1690                 }
1691                 if (*pattern == '\\') {
1692                     pattern++;
1693                     if (*pattern == '\0') {
1694                         done = TRUE;
1695                         break;
1696                     }
1697                 }
1698                 if ((*str < c) || (*str > *pattern)) {
1699                     pattern++;
1700                     goto repeat;
1701                 }
1702             } else if (*pattern != *str) {
1703                 pattern++;
1704                 goto repeat;
1705             }
1706             pattern++;
1707             while ((*pattern != ']') && (*pattern != '\0')) {
1708                 if ((*pattern == '\\') && (*(pattern + 1) != '\0'))
1709                     pattern++;
1710                 pattern++;
1711             }
1712             if (*pattern != '\0') {
1713                 pattern++, str++;
1714             }
1715             break;
1716         case '?':
1717             pattern++;
1718             str++;
1719             break;
1720         case OB:
1721             pattern++;
1722             while ((*pattern != CB) && (*pattern != '\0')) {
1723                 cp = str;
1724                 ok = TRUE;
1725                 while (ok && (*cp != '\0') && (*pattern != '\0')
1726                 &&  (*pattern != ',') && (*pattern != CB)) {
1727                     if (*pattern == '\\')
1728                         pattern++;
1729                     ok = (*pattern++ == *cp++);
1730                 }
1731                 if (*pattern == '\0') {
1732                     ok = FALSE;
1733                     done = TRUE;
1734                     break;
1735                 } else if (ok) {
1736                     str = cp;
1737                     while ((*pattern != CB) && (*pattern != '\0')) {
1738                         if (*++pattern == '\\') {
1739                             if (*++pattern == CB)
1740                                 pattern++;
1741                         }
1742                     }
1743                 } else {
1744                     while (*pattern!=CB && *pattern!=',' && *pattern!='\0') {
1745                         if (*++pattern == '\\') {
1746                             if (*++pattern == CB || *pattern == ',')
1747                                 pattern++;
1748                         }
1749                     }
1750                 }
1751                 if (*pattern != '\0')
1752                     pattern++;
1753             }
1754             break;
1755         default:
1756             if (*str == *pattern) {
1757                 str++, pattern++;
1758             } else {
1759                 done = TRUE;
1760             }
1761         }
1762     }
1763     while (*pattern == '*')
1764         pattern++;
1765     return ((*str == '\0') && (*pattern == '\0'));
1766 };
1767
1768 #endif
1769
1770 #ifdef __VISUALC__
1771     #pragma warning(default:4706)   // assignment within conditional expression
1772 #endif // VC++