include/wx/filefn.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        filefn.h
   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 licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifndef   _FILEFN_H_
  13 #define   _FILEFN_H_
  14
  15 #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
  16     #pragma interface "filefn.h"
  17 #endif
  18
  19 #include "wx/list.h"
  20 #include "wx/arrstr.h"
  21
  22 #ifdef __WXWINCE__
  23     #include "wx/msw/wince/time.h"
  24     #include "wx/msw/private.h"
  25 #else
  26     #include <time.h>
  27 #endif
  28
  29 #ifdef __WXWINCE__
  30 // Nothing
  31 #elif !defined(__MWERKS__)
  32     #include <sys/types.h>
  33     #include <sys/stat.h>
  34 #else
  35     #ifdef __MACH__
  36         #include <sys/types.h>
  37         #include <utime.h>
  38         #include <sys/stat.h>
  39         #include <unistd.h>
  40     #else
  41         #include <stat.h>
  42         #include <unistd.h>
  43         #include <unix.h>
  44     #endif
  45 #endif
  46
  47 #ifdef __OS2__
  48 // need to check for __OS2__ first since currently both
  49 // __OS2__ and __UNIX__ are defined.
  50     #include <process.h>
  51     #include "wx/os2/private.h"
  52     #include <io.h>
  53     #ifdef __EMX__
  54         #include <unistd.h>
  55     #endif
  56 #elif defined(__UNIX__)
  57     #include <unistd.h>
  58     #include <dirent.h>
  59 #endif
  60
  61 #if defined(__WINDOWS__) && !defined(__WXMICROWIN__)
  62 #if !defined( __GNUWIN32__ ) && !defined( __MWERKS__ ) && !defined(__SALFORDC__) && !defined(__WXWINCE__)
  63     #include <direct.h>
  64     #include <dos.h>
  65     #include <io.h>
  66 #endif // __WINDOWS__
  67 #endif // native Win compiler
  68
  69 #if defined(__DOS__)
  70     #ifdef __WATCOMC__
  71         #include <direct.h>
  72         #include <dos.h>
  73         #include <io.h>
  74     #endif
  75     #ifdef __DJGPP__
  76         #include <io.h>
  77         #include <unistd.h>
  78     #endif
  79 #endif
  80
  81 #ifdef __BORLANDC__ // Please someone tell me which version of Borland needs
  82                     // this (3.1 I believe) and how to test for it.
  83                     // If this works for Borland 4.0 as well, then no worries.
  84     #include <dir.h>
  85 #endif
  86
  87 #ifdef __SALFORDC__
  88     #include <dir.h>
  89     #include <unix.h>
  90 #endif
  91
  92 #ifndef __WXWINCE__
  93     #include  <fcntl.h>       // O_RDONLY &c
  94 #endif
  95 // ----------------------------------------------------------------------------
  96 // constants
  97 // ----------------------------------------------------------------------------
  98
  99 #ifdef __WXWINCE__
 100     typedef long off_t;
 101 #else
 102     // define off_t
 103     #if !defined(__WXMAC__) || defined(__UNIX__) || defined(__MACH__)
 104         #include  <sys/types.h>
 105     #else
 106         typedef long off_t;
 107     #endif
 108 #endif
 109
 110 #if (defined(__VISUALC__) && !defined(__WXWINCE__)) || ( defined(__MWERKS__) && defined( __INTEL__) )
 111     typedef _off_t off_t;
 112 #elif defined(__SYMANTEC__)
 113     typedef long off_t;
 114 #elif defined(__MWERKS__) && !defined(__INTEL__) && !defined(__MACH__)
 115     typedef long off_t;
 116 #endif
 117
 118 enum wxSeekMode
 119 {
 120   wxFromStart,
 121   wxFromCurrent,
 122   wxFromEnd
 123 };
 124
 125 // ----------------------------------------------------------------------------
 126 // declare our versions of low level file functions: some compilers prepend
 127 // underscores to the usual names, some also have Unicode versions of them
 128 // ----------------------------------------------------------------------------
 129
 130 // Wrappers around Win32 api functions like CreateFile, ReadFile and such
 131 // Implemented in filefnwce.cpp
 132 #if defined( __WXWINCE__)
 133     typedef __int64 wxFileOffset;
 134     #define wxFileOffsetFmtSpec _("I64")
 135     int wxOpen(const wxChar *filename, int oflag, int WXUNUSED(pmode));
 136     int wxAccess(const wxChar *name, int WXUNUSED(how));
 137     int wxClose(int fd);
 138     int wxFsync(int WXUNUSED(fd));
 139     int wxRead(int fd, void *buf, unsigned int count);
 140     int wxWrite(int fd, const void *buf, unsigned int count);
 141     int wxEof(int fd);
 142     wxFileOffset wxSeek(int fd, wxFileOffset offset, int origin);
 143     #define wxLSeek wxSeek
 144     wxFileOffset wxTell(int fd);
 145
 146     #if wxUSE_UNICODE
 147         #if wxUSE_UNICODE_MSLU
 148             #define   wxMkDir      wxMSLU__wmkdir
 149             #define   wxRmDir      wxMSLU__wrmdir
 150             #define   wxStat       wxMSLU__wstat
 151         #else
 152             #define   wxMkDir      _wmkdir
 153             #define   wxRmDir      _wrmdir
 154             #define   wxStat       _wstat
 155         #endif
 156     #else // !wxUSE_UNICODE
 157         #define   wxMkDir      _mkdir
 158         #ifdef __WATCOMC__
 159             #define   wxRmDir      rmdir
 160         #else
 161             #define   wxRmDir      _rmdir
 162         #endif
 163         #define   wxStat       _stat
 164     #endif
 165     #define   wxStructStat struct _stat
 166
 167 // Microsoft compiler loves underscores, feed them to it
 168 #elif defined( __VISUALC__ ) \
 169     || ( defined(__MINGW32__) && !defined(__WINE__) && wxCHECK_W32API_VERSION( 0, 5 ) ) \
 170     || ( defined(__MWERKS__) && defined(__WXMSW__) ) \
 171     || ( defined(__DMC__) && defined(__WXMSW__) ) \
 172     || ( defined(__WATCOMC__) && defined(__WXMSW__) )
 173
 174     // detect compilers which have support for huge files (currently only
 175     // Digital Mars doesn't)
 176     #include "wx/msw/private.h"
 177
 178     #undef __HUGEFILES_SUPPORTED
 179     #if defined(__MINGW32__)
 180         #define __HUGEFILES_SUPPORTED 1
 181     #elif defined(__MWERKS__)
 182         #define __HUGEFILES_SUPPORTED 0
 183     #elif defined(__DMC__)
 184         #define __HUGEFILES_SUPPORTED 0
 185     #elif ((_INTEGRAL_MAX_BITS >= 64) || defined(_LARGE_FILES))
 186         #define __HUGEFILES_SUPPORTED 1
 187     #else
 188         #define __HUGEFILES_SUPPORTED 0
 189     #endif
 190
 191     // functions
 192     #if defined(__BORLANDC__) || defined(__WATCOMC__)
 193         #define   _tell        tell
 194     #endif
 195
 196     #if __HUGEFILES_SUPPORTED
 197         typedef wxLongLong_t wxFileOffset;
 198         #define wxFileOffsetFmtSpec wxLongLongFmtSpec
 199     #else
 200         typedef off_t wxFileOffset;
 201         #define wxFileOffsetFmtSpec _("")
 202     #endif
 203
 204     #define   wxClose      _close
 205
 206     #if defined(__MWERKS__)
 207         #if __MSL__ >= 0x6000
 208             #define wxRead(fd, buf, nCount)  _read(fd, (void *)buf, nCount)
 209             #define wxWrite(fd, buf, nCount) _write(fd, (void *)buf, nCount)
 210         #else
 211             #define wxRead(fd, buf, nCount)\
 212                   _read(fd, (const char *)buf, nCount)
 213             #define wxWrite(fd, buf, nCount)\
 214                   _write(fd, (const char *)buf, nCount)
 215         #endif
 216     #else
 217         #if defined(__DMC__) || defined(__WATCOMC__)
 218             #define wxRead        ::read
 219             #define wxWrite       ::write
 220         #else
 221             #define wxRead        _read
 222             #define wxWrite        _write
 223         #endif
 224     #endif
 225     #if __HUGEFILES_SUPPORTED
 226         #define   wxSeek      _lseeki64
 227         #define   wxLseek      _lseeki64
 228         #define   wxTell       _telli64
 229     #else
 230         #define   wxSeek      _lseek
 231         #define   wxLseek      _lseek
 232         #define   wxTell       _tell
 233     #endif
 234     #define   wxFsync      _commit
 235     #if defined(__WATCOMC__)
 236         #define   wxEof        ::eof
 237     #else
 238         #define   wxEof        _eof
 239     #endif
 240
 241     #if wxUSE_UNICODE
 242         #if wxUSE_UNICODE_MSLU
 243             #define   wxOpen       wxMSLU__wopen
 244
 245             #define   wxAccess     wxMSLU__waccess
 246             #define   wxMkDir      wxMSLU__wmkdir
 247             #define   wxRmDir      wxMSLU__wrmdir
 248             #if __HUGEFILES_SUPPORTED
 249                 #define   wxStat       wxMSLU__wstati64
 250             #else
 251                 #define   wxStat       wxMSLU__wstat
 252             #endif
 253         #else
 254             #define   wxOpen       _wopen
 255             #define   wxAccess     _waccess
 256             #define   wxMkDir      _wmkdir
 257             #define   wxRmDir      _wrmdir
 258             #if __HUGEFILES_SUPPORTED
 259                 #define   wxStat       _wstati64
 260             #else
 261                 #define   wxStat       _wstat
 262             #endif
 263         #endif
 264     #else // !wxUSE_UNICODE
 265         #ifdef __BORLANDC__
 266             #define   wxOpen       open
 267         #else
 268             #define   wxOpen       _open
 269         #endif
 270         #define   wxAccess     _access
 271         #define   wxMkDir      _mkdir
 272         #ifdef __WATCOMC__
 273             #define   wxRmDir      rmdir
 274         #else
 275             #define   wxRmDir      _rmdir
 276         #endif
 277         #if __HUGEFILES_SUPPORTED
 278             #define   wxStat       _stati64
 279         #else
 280             #define   wxStat       _stat
 281         #endif
 282     #endif
 283
 284     // types: notice that Watcom is the only compiler to have a wide char
 285     // version of struct stat as well as a wide char stat function variant
 286     #if __HUGEFILES_SUPPORTED
 287         #if wxUSE_UNICODE && defined(__WATCOMC__)
 288             #define   wxStructStat struct _wstati64
 289         #else
 290             #define   wxStructStat struct _stati64
 291         #endif
 292     #else
 293         #if wxUSE_UNICODE && defined(__WATCOMC__)
 294             #define   wxStructStat struct _wstat
 295         #else
 296             #define   wxStructStat struct _stat
 297         #endif
 298     #endif
 299
 300     // constants (unless already defined by the user code)
 301     #if !defined(O_RDONLY) && !defined(__BORLANDC__) && !defined(__WATCOMC__)
 302         #define   O_RDONLY    _O_RDONLY
 303         #define   O_WRONLY    _O_WRONLY
 304         #define   O_RDWR      _O_RDWR
 305         #define   O_EXCL      _O_EXCL
 306         #define   O_CREAT     _O_CREAT
 307         #define   O_BINARY    _O_BINARY
 308     #endif
 309
 310     #if !defined(__BORLANDC__) && !defined(__WATCOMC__)
 311         #define   S_IFMT      _S_IFMT
 312         #define   S_IFDIR     _S_IFDIR
 313         #define   S_IFREG     _S_IFREG
 314     #endif // O_RDONLY
 315
 316     // It's a private define, undefine it so nobody gets tempted to use it
 317     #undef __HUGEFILES_SUPPORTED
 318 #else // Unix platforms using configure
 319     typedef off_t wxFileOffset;
 320     #ifdef _LARGE_FILES
 321         #define wxFileOffsetFmtSpec wxLongLongFmtSpec
 322     #else
 323         #define wxFileOffsetFmtSpec _T("")
 324     #endif
 325     // functions
 326     #define   wxClose      close
 327     #define   wxRead       ::read
 328     #define   wxWrite      ::write
 329     #define   wxLseek      lseek
 330     #define   wxSeek       lseek
 331     #define   wxFsync      commit
 332     #define   wxEof        eof
 333
 334     #define   wxMkDir      mkdir
 335     #define   wxRmDir      rmdir
 336
 337     #define   wxTell(fd)   lseek(fd, 0, SEEK_CUR)
 338
 339     #define   wxStructStat struct stat
 340
 341     #if wxUSE_UNICODE
 342         #define wxNEED_WX_UNISTD_H
 343         #if defined(__DMC__)
 344             typedef unsigned long mode_t;
 345         #endif
 346         WXDLLIMPEXP_BASE int wxStat( const wxChar *file_name, wxStructStat *buf );
 347         WXDLLIMPEXP_BASE int wxAccess( const wxChar *pathname, int mode );
 348         WXDLLIMPEXP_BASE int wxOpen( const wxChar *pathname, int flags, mode_t mode );
 349     #else
 350         #define   wxOpen       open
 351         #define   wxStat       stat
 352         #define   wxAccess     access
 353     #endif
 354 #endif // platforms
 355
 356 #if defined(__VISAGECPP__) && __IBMCPP__ >= 400
 357 //
 358 // VisualAge C++ V4.0 cannot have any external linkage const decs
 359 // in headers included by more than one primary source
 360 //
 361 extern const wxFileOffset wxInvalidOffset;
 362 #else
 363 const wxFileOffset wxInvalidOffset = (wxFileOffset)-1;
 364 #endif
 365
 366 // ----------------------------------------------------------------------------
 367 // functions
 368 // ----------------------------------------------------------------------------
 369 WXDLLIMPEXP_BASE bool wxFileExists(const wxString& filename);
 370
 371 // does the path exist? (may have or not '/' or '\\' at the end)
 372 WXDLLIMPEXP_BASE bool wxPathExists(const wxChar *pszPathName);
 373
 374 WXDLLIMPEXP_BASE bool wxIsAbsolutePath(const wxString& filename);
 375
 376 // Get filename
 377 WXDLLIMPEXP_BASE wxChar* wxFileNameFromPath(wxChar *path);
 378 WXDLLIMPEXP_BASE wxString wxFileNameFromPath(const wxString& path);
 379
 380 // Get directory
 381 WXDLLIMPEXP_BASE wxString wxPathOnly(const wxString& path);
 382
 383 // wxString version
 384 WXDLLIMPEXP_BASE wxString wxRealPath(const wxString& path);
 385
 386 WXDLLIMPEXP_BASE void wxDos2UnixFilename(wxChar *s);
 387
 388 WXDLLIMPEXP_BASE void wxUnix2DosFilename(wxChar *s);
 389
 390 // Strip the extension, in situ
 391 WXDLLIMPEXP_BASE void wxStripExtension(wxChar *buffer);
 392 WXDLLIMPEXP_BASE void wxStripExtension(wxString& buffer);
 393
 394 // Get a temporary filename
 395 WXDLLIMPEXP_BASE wxChar* wxGetTempFileName(const wxString& prefix, wxChar *buf = (wxChar *) NULL);
 396 WXDLLIMPEXP_BASE bool wxGetTempFileName(const wxString& prefix, wxString& buf);
 397
 398 // Expand file name (~/ and ${OPENWINHOME}/ stuff)
 399 WXDLLIMPEXP_BASE wxChar* wxExpandPath(wxChar *dest, const wxChar *path);
 400 WXDLLIMPEXP_BASE bool wxExpandPath(wxString& dest, const wxChar *path);
 401
 402 // Contract w.r.t environment (</usr/openwin/lib, OPENWHOME> -> ${OPENWINHOME}/lib)
 403 // and make (if under the home tree) relative to home
 404 // [caller must copy-- volatile]
 405 WXDLLIMPEXP_BASE wxChar* wxContractPath(const wxString& filename,
 406                                    const wxString& envname = wxEmptyString,
 407                                    const wxString& user = wxEmptyString);
 408
 409 // Destructive removal of /./ and /../ stuff
 410 WXDLLIMPEXP_BASE wxChar* wxRealPath(wxChar *path);
 411
 412 // Allocate a copy of the full absolute path
 413 WXDLLIMPEXP_BASE wxChar* wxCopyAbsolutePath(const wxString& path);
 414
 415 // Get first file name matching given wild card.
 416 // Flags are reserved for future use.
 417 #define wxFILE  1
 418 #define wxDIR   2
 419 WXDLLIMPEXP_BASE wxString wxFindFirstFile(const wxChar *spec, int flags = wxFILE);
 420 WXDLLIMPEXP_BASE wxString wxFindNextFile();
 421
 422 // Does the pattern contain wildcards?
 423 WXDLLIMPEXP_BASE bool wxIsWild(const wxString& pattern);
 424
 425 // Does the pattern match the text (usually a filename)?
 426 // If dot_special is true, doesn't match * against . (eliminating
 427 // `hidden' dot files)
 428 WXDLLIMPEXP_BASE bool wxMatchWild(const wxString& pattern,  const wxString& text, bool dot_special = true);
 429
 430 // Concatenate two files to form third
 431 WXDLLIMPEXP_BASE bool wxConcatFiles(const wxString& file1, const wxString& file2, const wxString& file3);
 432
 433 // Copy file1 to file2
 434 WXDLLIMPEXP_BASE bool wxCopyFile(const wxString& file1, const wxString& file2,
 435                                  bool overwrite = true);
 436
 437 // Remove file
 438 WXDLLIMPEXP_BASE bool wxRemoveFile(const wxString& file);
 439
 440 // Rename file
 441 WXDLLIMPEXP_BASE bool wxRenameFile(const wxString& file1, const wxString& file2);
 442
 443 // Get current working directory.
 444 // If buf is NULL, allocates space using new, else
 445 // copies into buf.
 446 // IMPORTANT NOTE getcwd is know not to work under some releases
 447 // of Win32s 1.3, according to MS release notes!
 448 WXDLLIMPEXP_BASE wxChar* wxGetWorkingDirectory(wxChar *buf = (wxChar *) NULL, int sz = 1000);
 449 // new and preferred version of wxGetWorkingDirectory
 450 // NB: can't have the same name because of overloading ambiguity
 451 WXDLLIMPEXP_BASE wxString wxGetCwd();
 452
 453 // Set working directory
 454 WXDLLIMPEXP_BASE bool wxSetWorkingDirectory(const wxString& d);
 455
 456 // Make directory
 457 WXDLLIMPEXP_BASE bool wxMkdir(const wxString& dir, int perm = 0777);
 458
 459 // Remove directory. Flags reserved for future use.
 460 WXDLLIMPEXP_BASE bool wxRmdir(const wxString& dir, int flags = 0);
 461
 462 // compatibility defines, don't use in new code
 463 #define wxDirExists wxPathExists
 464
 465 // ----------------------------------------------------------------------------
 466 // separators in file names
 467 // ----------------------------------------------------------------------------
 468
 469 // between file name and extension
 470 #define wxFILE_SEP_EXT        wxT('.')
 471
 472 // between drive/volume name and the path
 473 #define wxFILE_SEP_DSK        wxT(':')
 474
 475 // between the path components
 476 #define wxFILE_SEP_PATH_DOS   wxT('\\')
 477 #define wxFILE_SEP_PATH_UNIX  wxT('/')
 478 #define wxFILE_SEP_PATH_MAC   wxT(':')
 479 #define wxFILE_SEP_PATH_VMS   wxT('.') // VMS also uses '[' and ']'
 480
 481 // separator in the path list (as in PATH environment variable)
 482 // there is no PATH variable in Classic Mac OS so just use the
 483 // semicolon (it must be different from the file name separator)
 484 // NB: these are strings and not characters on purpose!
 485 #define wxPATH_SEP_DOS        wxT(";")
 486 #define wxPATH_SEP_UNIX       wxT(":")
 487 #define wxPATH_SEP_MAC        wxT(";")
 488
 489 // platform independent versions
 490 #if defined(__UNIX__) && !defined(__OS2__)
 491   // CYGWIN also uses UNIX settings
 492   #define wxFILE_SEP_PATH     wxFILE_SEP_PATH_UNIX
 493   #define wxPATH_SEP          wxPATH_SEP_UNIX
 494 #elif defined(__MAC__)
 495   #define wxFILE_SEP_PATH     wxFILE_SEP_PATH_MAC
 496   #define wxPATH_SEP          wxPATH_SEP_MAC
 497 #else   // Windows and OS/2
 498   #define wxFILE_SEP_PATH     wxFILE_SEP_PATH_DOS
 499   #define wxPATH_SEP          wxPATH_SEP_DOS
 500 #endif  // Unix/Windows
 501
 502 // this is useful for wxString::IsSameAs(): to compare two file names use
 503 // filename1.IsSameAs(filename2, wxARE_FILENAMES_CASE_SENSITIVE)
 504 #if defined(__UNIX__) && !defined(__DARWIN__) && !defined(__OS2__)
 505   #define wxARE_FILENAMES_CASE_SENSITIVE  true
 506 #else   // Windows, Mac OS and OS/2
 507   #define wxARE_FILENAMES_CASE_SENSITIVE  false
 508 #endif  // Unix/Windows
 509
 510 // is the char a path separator?
 511 inline bool wxIsPathSeparator(wxChar c)
 512 {
 513     // under DOS/Windows we should understand both Unix and DOS file separators
 514 #if ( defined(__UNIX__) && !defined(__OS2__) )|| defined(__MAC__)
 515     return c == wxFILE_SEP_PATH;
 516 #else
 517     return c == wxFILE_SEP_PATH_DOS || c == wxFILE_SEP_PATH_UNIX;
 518 #endif
 519 }
 520
 521 // does the string ends with path separator?
 522 WXDLLIMPEXP_BASE bool wxEndsWithPathSeparator(const wxChar *pszFileName);
 523
 524 // split the full path into path (including drive for DOS), name and extension
 525 // (understands both '/' and '\\')
 526 WXDLLIMPEXP_BASE void wxSplitPath(const wxChar *pszFileName,
 527                              wxString *pstrPath,
 528                              wxString *pstrName,
 529                              wxString *pstrExt);
 530
 531 // find a file in a list of directories, returns false if not found
 532 WXDLLIMPEXP_BASE bool wxFindFileInPath(wxString *pStr, const wxChar *pszPath, const wxChar *pszFile);
 533
 534 // Get the OS directory if appropriate (such as the Windows directory).
 535 // On non-Windows platform, probably just return the empty string.
 536 WXDLLIMPEXP_BASE wxString wxGetOSDirectory();
 537
 538 // Get file modification time
 539 WXDLLIMPEXP_BASE time_t wxFileModificationTime(const wxString& filename);
 540
 541 // Parses the wildCard, returning the number of filters.
 542 // Returns 0 if none or if there's a problem,
 543 // The arrays will contain an equal number of items found before the error.
 544 // wildCard is in the form:
 545 // "All files (*)|*|Image Files (*.jpeg *.png)|*.jpg;*.png"
 546 WXDLLIMPEXP_BASE int wxParseCommonDialogsFilter(const wxString& wildCard, wxArrayString& descriptions, wxArrayString& filters);
 547
 548 // ----------------------------------------------------------------------------
 549 // classes
 550 // ----------------------------------------------------------------------------
 551
 552 #ifdef __UNIX__
 553
 554 // set umask to the given value in ctor and reset it to the old one in dtor
 555 class WXDLLIMPEXP_BASE wxUmaskChanger
 556 {
 557 public:
 558     // change the umask to the given one if it is not -1: this allows to write
 559     // the same code whether you really want to change umask or not, as is in
 560     // wxFileConfig::Flush() for example
 561     wxUmaskChanger(int umaskNew)
 562     {
 563         m_umaskOld = umaskNew == -1 ? -1 : (int)umask((mode_t)umaskNew);
 564     }
 565
 566     ~wxUmaskChanger()
 567     {
 568         if ( m_umaskOld != -1 )
 569             umask((mode_t)m_umaskOld);
 570     }
 571
 572 private:
 573     int m_umaskOld;
 574 };
 575
 576 // this macro expands to an "anonymous" wxUmaskChanger object under Unix and
 577 // nothing elsewhere
 578 #define wxCHANGE_UMASK(m) wxUmaskChanger wxMAKE_UNIQUE_NAME(umaskChanger_)(m)
 579
 580 #else // !__UNIX__
 581
 582 #define wxCHANGE_UMASK(m)
 583
 584 #endif // __UNIX__/!__UNIX__
 585
 586
 587 // Path searching
 588 class WXDLLIMPEXP_BASE wxPathList : public wxStringList
 589 {
 590 public:
 591     // avoid GCC warning about virtual functions w/o virtual dtor
 592     virtual ~wxPathList() {}
 593
 594     // Adds all paths in environment variable
 595     void AddEnvList(const wxString& envVariable);
 596
 597     void Add(const wxString& path);
 598     // Find the first full path for which the file exists
 599     wxString FindValidPath(const wxString& filename);
 600     // Find the first full path for which the file exists; ensure it's an
 601     // absolute path that gets returned.
 602     wxString FindAbsoluteValidPath(const wxString& filename);
 603     // Given full path and filename, add path to list
 604     void EnsureFileAccessible(const wxString& path);
 605     // Returns true if the path is in the list
 606     bool Member(const wxString& path);
 607
 608 private:
 609     // DECLARE_DYNAMIC_CLASS(wxPathList)
 610 };
 611
 612 #endif
 613   // _WX_FILEFN_H_