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__) && !defined(__CYGWIN__)
  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 enum wxFileKind
 126 {
 127   wxFILE_KIND_UNKNOWN,
 128   wxFILE_KIND_DISK,     // a file supporting seeking to arbitrary offsets
 129   wxFILE_KIND_TERMINAL, // a tty
 130   wxFILE_KIND_PIPE      // a pipe
 131 };
 132
 133 // ----------------------------------------------------------------------------
 134 // declare our versions of low level file functions: some compilers prepend
 135 // underscores to the usual names, some also have Unicode versions of them
 136 // ----------------------------------------------------------------------------
 137
 138 // Wrappers around Win32 api functions like CreateFile, ReadFile and such
 139 // Implemented in filefnwce.cpp
 140 #if defined( __WXWINCE__)
 141     typedef __int64 wxFileOffset;
 142     #define wxFileOffsetFmtSpec _("I64")
 143     int wxOpen(const wxChar *filename, int oflag, int WXUNUSED(pmode));
 144     int wxAccess(const wxChar *name, int WXUNUSED(how));
 145     int wxClose(int fd);
 146     int wxFsync(int WXUNUSED(fd));
 147     int wxRead(int fd, void *buf, unsigned int count);
 148     int wxWrite(int fd, const void *buf, unsigned int count);
 149     int wxEof(int fd);
 150     wxFileOffset wxSeek(int fd, wxFileOffset offset, int origin);
 151     #define wxLSeek wxSeek
 152     wxFileOffset wxTell(int fd);
 153
 154     // always Unicode under WinCE
 155     #define   wxMkDir      _wmkdir
 156     #define   wxRmDir      _wrmdir
 157     #define   wxStat       _wstat
 158     #define   wxStructStat struct _stat
 159
 160 // Microsoft compiler loves underscores, feed them to it
 161 #elif defined( __VISUALC__ ) \
 162     || ( defined(__MINGW32__) && !defined(__WINE__) && wxCHECK_W32API_VERSION( 0, 5 ) ) \
 163     || ( defined(__MWERKS__) && defined(__WXMSW__) ) \
 164     || ( defined(__DMC__) && defined(__WXMSW__) ) \
 165     || ( defined(__WATCOMC__) && defined(__WXMSW__) )
 166
 167     // detect compilers which have support for huge files (currently only
 168     // Digital Mars doesn't)
 169     #ifndef __WXPALMOS__
 170     #include "wx/msw/private.h"
 171     #endif
 172
 173     #undef wxHAS_HUGE_FILES
 174     #if defined(__MINGW32__)
 175         #define wxHAS_HUGE_FILES 1
 176     #elif defined(__MWERKS__)
 177         #define wxHAS_HUGE_FILES 0
 178     #elif defined(__DMC__)
 179         #define wxHAS_HUGE_FILES 0
 180     #elif ((_INTEGRAL_MAX_BITS >= 64) || defined(_LARGE_FILES))
 181         #define wxHAS_HUGE_FILES 1
 182     #else
 183         #define wxHAS_HUGE_FILES 0
 184     #endif
 185
 186     // functions
 187     #if defined(__BORLANDC__) || defined(__WATCOMC__)
 188         #define   _tell        tell
 189     #endif
 190
 191     #if wxHAS_HUGE_FILES
 192         typedef wxLongLong_t wxFileOffset;
 193         #define wxFileOffsetFmtSpec wxLongLongFmtSpec
 194     #else
 195         typedef off_t wxFileOffset;
 196     #endif
 197
 198     #define   wxClose      _close
 199
 200     #if defined(__MWERKS__)
 201         #if __MSL__ >= 0x6000
 202             #define wxRead(fd, buf, nCount)  _read(fd, (void *)buf, nCount)
 203             #define wxWrite(fd, buf, nCount) _write(fd, (void *)buf, nCount)
 204         #else
 205             #define wxRead(fd, buf, nCount)\
 206                   _read(fd, (const char *)buf, nCount)
 207             #define wxWrite(fd, buf, nCount)\
 208                   _write(fd, (const char *)buf, nCount)
 209         #endif
 210     #else
 211         #if defined(__DMC__) || defined(__WATCOMC__)
 212             #define wxRead        ::read
 213             #define wxWrite       ::write
 214         #else
 215             #define wxRead        _read
 216             #define wxWrite        _write
 217         #endif
 218     #endif
 219     #if wxHAS_HUGE_FILES
 220         #define   wxSeek      _lseeki64
 221         #define   wxLseek      _lseeki64
 222         #define   wxTell       _telli64
 223     #else
 224         #define   wxSeek      _lseek
 225         #define   wxLseek      _lseek
 226         #define   wxTell       _tell
 227     #endif
 228     #define   wxFsync      _commit
 229     #if defined(__WATCOMC__)
 230         #define   wxEof        ::eof
 231     #else
 232         #define   wxEof        _eof
 233     #endif
 234
 235     #if wxUSE_UNICODE
 236         #if wxUSE_UNICODE_MSLU
 237             #define   wxOpen       wxMSLU__wopen
 238
 239             #define   wxAccess     wxMSLU__waccess
 240             #define   wxMkDir      wxMSLU__wmkdir
 241             #define   wxRmDir      wxMSLU__wrmdir
 242             #if wxHAS_HUGE_FILES
 243                 #define   wxStat       wxMSLU__wstati64
 244             #else
 245                 #define   wxStat       wxMSLU__wstat
 246             #endif
 247         #else
 248             #define   wxOpen       _wopen
 249             #define   wxAccess     _waccess
 250             #define   wxMkDir      _wmkdir
 251             #define   wxRmDir      _wrmdir
 252             #if wxHAS_HUGE_FILES
 253                 #define   wxStat       _wstati64
 254             #else
 255                 #define   wxStat       _wstat
 256             #endif
 257         #endif
 258     #else // !wxUSE_UNICODE
 259         #ifdef __BORLANDC__
 260             #define   wxOpen       open
 261         #else
 262             #define   wxOpen       _open
 263         #endif
 264         #define   wxAccess     _access
 265         #define   wxMkDir      _mkdir
 266         #ifdef __WATCOMC__
 267             #define   wxRmDir      rmdir
 268         #else
 269             #define   wxRmDir      _rmdir
 270         #endif
 271         #if wxHAS_HUGE_FILES
 272             #define   wxStat       _stati64
 273         #else
 274             #define   wxStat       _stat
 275         #endif
 276     #endif
 277
 278     // types: notice that Watcom is the only compiler to have a wide char
 279     // version of struct stat as well as a wide char stat function variant
 280     #if wxHAS_HUGE_FILES
 281         #if wxUSE_UNICODE && defined(__WATCOMC__)
 282             #define   wxStructStat struct _wstati64
 283         #else
 284             #define   wxStructStat struct _stati64
 285         #endif
 286     #else
 287         #if wxUSE_UNICODE && defined(__WATCOMC__)
 288             #define   wxStructStat struct _wstat
 289         #else
 290             #define   wxStructStat struct _stat
 291         #endif
 292     #endif
 293
 294     // constants (unless already defined by the user code)
 295     #if !defined(__BORLANDC__) && !defined(__WATCOMC__) && !defined(__WXPALMOS__)
 296         #ifndef O_RDONLY
 297             #define   O_RDONLY    _O_RDONLY
 298             #define   O_WRONLY    _O_WRONLY
 299             #define   O_RDWR      _O_RDWR
 300             #define   O_EXCL      _O_EXCL
 301             #define   O_CREAT     _O_CREAT
 302             #define   O_BINARY    _O_BINARY
 303         #endif
 304
 305         #ifndef S_IFMT
 306             #define   S_IFMT      _S_IFMT
 307             #define   S_IFDIR     _S_IFDIR
 308             #define   S_IFREG     _S_IFREG
 309         #endif
 310     #endif
 311
 312     // It's a private define, undefine it so nobody gets tempted to use it
 313     #undef wxHAS_HUGE_FILES
 314 #else // Unix platforms using configure
 315     typedef off_t wxFileOffset;
 316     #ifdef _LARGE_FILES
 317         #define wxFileOffsetFmtSpec wxLongLongFmtSpec
 318         wxCOMPILE_TIME_ASSERT( sizeof(off_t) == sizeof(wxLongLong_t),
 319                                 BadFileSizeType );
 320     #else
 321         #define wxFileOffsetFmtSpec _T("")
 322     #endif
 323     // functions
 324     #define   wxClose      close
 325     #define   wxRead       ::read
 326     #define   wxWrite      ::write
 327     #define   wxLseek      lseek
 328     #define   wxSeek       lseek
 329     #define   wxFsync      commit
 330     #define   wxEof        eof
 331
 332     #define   wxMkDir      mkdir
 333     #define   wxRmDir      rmdir
 334
 335     #define   wxTell(fd)   lseek(fd, 0, SEEK_CUR)
 336
 337     #define   wxStructStat struct stat
 338
 339     #if wxUSE_UNICODE
 340         #define wxNEED_WX_UNISTD_H
 341         #if defined(__DMC__)
 342             typedef unsigned long mode_t;
 343         #endif
 344         WXDLLIMPEXP_BASE int wxStat( const wxChar *file_name, wxStructStat *buf );
 345         WXDLLIMPEXP_BASE int wxAccess( const wxChar *pathname, int mode );
 346         WXDLLIMPEXP_BASE int wxOpen( const wxChar *pathname, int flags, mode_t mode );
 347     #else
 348         #define   wxOpen       open
 349         #define   wxStat       stat
 350         #define   wxAccess     access
 351     #endif
 352 #endif // platforms
 353
 354 #if defined(__VISAGECPP__) && __IBMCPP__ >= 400
 355 //
 356 // VisualAge C++ V4.0 cannot have any external linkage const decs
 357 // in headers included by more than one primary source
 358 //
 359 extern const int wxInvalidOffset;
 360 #else
 361 const int wxInvalidOffset = -1;
 362 #endif
 363
 364 // ----------------------------------------------------------------------------
 365 // functions
 366 // ----------------------------------------------------------------------------
 367 WXDLLIMPEXP_BASE bool wxFileExists(const wxString& filename);
 368
 369 // does the path exist? (may have or not '/' or '\\' at the end)
 370 WXDLLIMPEXP_BASE bool wxDirExists(const wxChar *pszPathName);
 371
 372 WXDLLIMPEXP_BASE bool wxIsAbsolutePath(const wxString& filename);
 373
 374 // Get filename
 375 WXDLLIMPEXP_BASE wxChar* wxFileNameFromPath(wxChar *path);
 376 WXDLLIMPEXP_BASE wxString wxFileNameFromPath(const wxString& path);
 377
 378 // Get directory
 379 WXDLLIMPEXP_BASE wxString wxPathOnly(const wxString& path);
 380
 381 // wxString version
 382 WXDLLIMPEXP_BASE wxString wxRealPath(const wxString& path);
 383
 384 WXDLLIMPEXP_BASE void wxDos2UnixFilename(wxChar *s);
 385
 386 WXDLLIMPEXP_BASE void wxUnix2DosFilename(wxChar *s);
 387
 388 // Strip the extension, in situ
 389 WXDLLIMPEXP_BASE void wxStripExtension(wxChar *buffer);
 390 WXDLLIMPEXP_BASE void wxStripExtension(wxString& buffer);
 391
 392 // Get a temporary filename
 393 WXDLLIMPEXP_BASE wxChar* wxGetTempFileName(const wxString& prefix, wxChar *buf = (wxChar *) NULL);
 394 WXDLLIMPEXP_BASE bool wxGetTempFileName(const wxString& prefix, wxString& buf);
 395
 396 // Expand file name (~/ and ${OPENWINHOME}/ stuff)
 397 WXDLLIMPEXP_BASE wxChar* wxExpandPath(wxChar *dest, const wxChar *path);
 398 WXDLLIMPEXP_BASE bool wxExpandPath(wxString& dest, const wxChar *path);
 399
 400 // Contract w.r.t environment (</usr/openwin/lib, OPENWHOME> -> ${OPENWINHOME}/lib)
 401 // and make (if under the home tree) relative to home
 402 // [caller must copy-- volatile]
 403 WXDLLIMPEXP_BASE wxChar* wxContractPath(const wxString& filename,
 404                                    const wxString& envname = wxEmptyString,
 405                                    const wxString& user = wxEmptyString);
 406
 407 // Destructive removal of /./ and /../ stuff
 408 WXDLLIMPEXP_BASE wxChar* wxRealPath(wxChar *path);
 409
 410 // Allocate a copy of the full absolute path
 411 WXDLLIMPEXP_BASE wxChar* wxCopyAbsolutePath(const wxString& path);
 412
 413 // Get first file name matching given wild card.
 414 // Flags are reserved for future use.
 415 #define wxFILE  1
 416 #define wxDIR   2
 417 WXDLLIMPEXP_BASE wxString wxFindFirstFile(const wxChar *spec, int flags = wxFILE);
 418 WXDLLIMPEXP_BASE wxString wxFindNextFile();
 419
 420 // Does the pattern contain wildcards?
 421 WXDLLIMPEXP_BASE bool wxIsWild(const wxString& pattern);
 422
 423 // Does the pattern match the text (usually a filename)?
 424 // If dot_special is true, doesn't match * against . (eliminating
 425 // `hidden' dot files)
 426 WXDLLIMPEXP_BASE bool wxMatchWild(const wxString& pattern,  const wxString& text, bool dot_special = true);
 427
 428 // Concatenate two files to form third
 429 WXDLLIMPEXP_BASE bool wxConcatFiles(const wxString& file1, const wxString& file2, const wxString& file3);
 430
 431 // Copy file1 to file2
 432 WXDLLIMPEXP_BASE bool wxCopyFile(const wxString& file1, const wxString& file2,
 433                                  bool overwrite = true);
 434
 435 // Remove file
 436 WXDLLIMPEXP_BASE bool wxRemoveFile(const wxString& file);
 437
 438 // Rename file
 439 WXDLLIMPEXP_BASE bool wxRenameFile(const wxString& file1, const wxString& file2);
 440
 441 // Get current working directory.
 442 // If buf is NULL, allocates space using new, else
 443 // copies into buf.
 444 // IMPORTANT NOTE getcwd is know not to work under some releases
 445 // of Win32s 1.3, according to MS release notes!
 446 WXDLLIMPEXP_BASE wxChar* wxGetWorkingDirectory(wxChar *buf = (wxChar *) NULL, int sz = 1000);
 447 // new and preferred version of wxGetWorkingDirectory
 448 // NB: can't have the same name because of overloading ambiguity
 449 WXDLLIMPEXP_BASE wxString wxGetCwd();
 450
 451 // Set working directory
 452 WXDLLIMPEXP_BASE bool wxSetWorkingDirectory(const wxString& d);
 453
 454 // Make directory
 455 WXDLLIMPEXP_BASE bool wxMkdir(const wxString& dir, int perm = 0777);
 456
 457 // Remove directory. Flags reserved for future use.
 458 WXDLLIMPEXP_BASE bool wxRmdir(const wxString& dir, int flags = 0);
 459
 460 // Return the type of an open file
 461 WXDLLIMPEXP_BASE wxFileKind wxGetFileKind(int fd);
 462 WXDLLIMPEXP_BASE wxFileKind wxGetFileKind(FILE *fp);
 463
 464 // compatibility defines, don't use in new code
 465 // consider removal droping 2.4 compatibility
 466 // #if WXWIN_COMPATIBILITY_2_4
 467 wxDEPRECATED( inline bool wxPathExists(const wxChar *pszPathName) );
 468 inline bool wxPathExists(const wxChar *pszPathName)
 469 {
 470     return wxDirExists(pszPathName);
 471 }
 472 // #endif //WXWIN_COMPATIBILITY_2_4
 473
 474 // ----------------------------------------------------------------------------
 475 // separators in file names
 476 // ----------------------------------------------------------------------------
 477
 478 // between file name and extension
 479 #define wxFILE_SEP_EXT        wxT('.')
 480
 481 // between drive/volume name and the path
 482 #define wxFILE_SEP_DSK        wxT(':')
 483
 484 // between the path components
 485 #define wxFILE_SEP_PATH_DOS   wxT('\\')
 486 #define wxFILE_SEP_PATH_UNIX  wxT('/')
 487 #define wxFILE_SEP_PATH_MAC   wxT(':')
 488 #define wxFILE_SEP_PATH_VMS   wxT('.') // VMS also uses '[' and ']'
 489
 490 // separator in the path list (as in PATH environment variable)
 491 // there is no PATH variable in Classic Mac OS so just use the
 492 // semicolon (it must be different from the file name separator)
 493 // NB: these are strings and not characters on purpose!
 494 #define wxPATH_SEP_DOS        wxT(";")
 495 #define wxPATH_SEP_UNIX       wxT(":")
 496 #define wxPATH_SEP_MAC        wxT(";")
 497
 498 // platform independent versions
 499 #if defined(__UNIX__) && !defined(__OS2__)
 500   // CYGWIN also uses UNIX settings
 501   #define wxFILE_SEP_PATH     wxFILE_SEP_PATH_UNIX
 502   #define wxPATH_SEP          wxPATH_SEP_UNIX
 503 #elif defined(__MAC__)
 504   #define wxFILE_SEP_PATH     wxFILE_SEP_PATH_MAC
 505   #define wxPATH_SEP          wxPATH_SEP_MAC
 506 #else   // Windows and OS/2
 507   #define wxFILE_SEP_PATH     wxFILE_SEP_PATH_DOS
 508   #define wxPATH_SEP          wxPATH_SEP_DOS
 509 #endif  // Unix/Windows
 510
 511 // this is useful for wxString::IsSameAs(): to compare two file names use
 512 // filename1.IsSameAs(filename2, wxARE_FILENAMES_CASE_SENSITIVE)
 513 #if defined(__UNIX__) && !defined(__DARWIN__) && !defined(__OS2__)
 514   #define wxARE_FILENAMES_CASE_SENSITIVE  true
 515 #else   // Windows, Mac OS and OS/2
 516   #define wxARE_FILENAMES_CASE_SENSITIVE  false
 517 #endif  // Unix/Windows
 518
 519 // is the char a path separator?
 520 inline bool wxIsPathSeparator(wxChar c)
 521 {
 522     // under DOS/Windows we should understand both Unix and DOS file separators
 523 #if ( defined(__UNIX__) && !defined(__OS2__) )|| defined(__MAC__)
 524     return c == wxFILE_SEP_PATH;
 525 #else
 526     return c == wxFILE_SEP_PATH_DOS || c == wxFILE_SEP_PATH_UNIX;
 527 #endif
 528 }
 529
 530 // does the string ends with path separator?
 531 WXDLLIMPEXP_BASE bool wxEndsWithPathSeparator(const wxChar *pszFileName);
 532
 533 // split the full path into path (including drive for DOS), name and extension
 534 // (understands both '/' and '\\')
 535 WXDLLIMPEXP_BASE void wxSplitPath(const wxChar *pszFileName,
 536                              wxString *pstrPath,
 537                              wxString *pstrName,
 538                              wxString *pstrExt);
 539
 540 // find a file in a list of directories, returns false if not found
 541 WXDLLIMPEXP_BASE bool wxFindFileInPath(wxString *pStr, const wxChar *pszPath, const wxChar *pszFile);
 542
 543 // Get the OS directory if appropriate (such as the Windows directory).
 544 // On non-Windows platform, probably just return the empty string.
 545 WXDLLIMPEXP_BASE wxString wxGetOSDirectory();
 546
 547 // Get file modification time
 548 WXDLLIMPEXP_BASE time_t wxFileModificationTime(const wxString& filename);
 549
 550 // Parses the wildCard, returning the number of filters.
 551 // Returns 0 if none or if there's a problem,
 552 // The arrays will contain an equal number of items found before the error.
 553 // wildCard is in the form:
 554 // "All files (*)|*|Image Files (*.jpeg *.png)|*.jpg;*.png"
 555 WXDLLIMPEXP_BASE int wxParseCommonDialogsFilter(const wxString& wildCard, wxArrayString& descriptions, wxArrayString& filters);
 556
 557 // ----------------------------------------------------------------------------
 558 // classes
 559 // ----------------------------------------------------------------------------
 560
 561 #ifdef __UNIX__
 562
 563 // set umask to the given value in ctor and reset it to the old one in dtor
 564 class WXDLLIMPEXP_BASE wxUmaskChanger
 565 {
 566 public:
 567     // change the umask to the given one if it is not -1: this allows to write
 568     // the same code whether you really want to change umask or not, as is in
 569     // wxFileConfig::Flush() for example
 570     wxUmaskChanger(int umaskNew)
 571     {
 572         m_umaskOld = umaskNew == -1 ? -1 : (int)umask((mode_t)umaskNew);
 573     }
 574
 575     ~wxUmaskChanger()
 576     {
 577         if ( m_umaskOld != -1 )
 578             umask((mode_t)m_umaskOld);
 579     }
 580
 581 private:
 582     int m_umaskOld;
 583 };
 584
 585 // this macro expands to an "anonymous" wxUmaskChanger object under Unix and
 586 // nothing elsewhere
 587 #define wxCHANGE_UMASK(m) wxUmaskChanger wxMAKE_UNIQUE_NAME(umaskChanger_)(m)
 588
 589 #else // !__UNIX__
 590
 591 #define wxCHANGE_UMASK(m)
 592
 593 #endif // __UNIX__/!__UNIX__
 594
 595
 596 // Path searching
 597 class WXDLLIMPEXP_BASE wxPathList : public wxStringList
 598 {
 599 public:
 600     // avoid GCC warning about virtual functions w/o virtual dtor
 601     virtual ~wxPathList() {}
 602
 603     // Adds all paths in environment variable
 604     void AddEnvList(const wxString& envVariable);
 605
 606     void Add(const wxString& path);
 607     // Find the first full path for which the file exists
 608     wxString FindValidPath(const wxString& filename);
 609     // Find the first full path for which the file exists; ensure it's an
 610     // absolute path that gets returned.
 611     wxString FindAbsoluteValidPath(const wxString& filename);
 612     // Given full path and filename, add path to list
 613     void EnsureFileAccessible(const wxString& path);
 614     // Returns true if the path is in the list
 615     bool Member(const wxString& path);
 616
 617 private:
 618     // DECLARE_DYNAMIC_CLASS(wxPathList)
 619 };
 620
 621 #endif
 622   // _WX_FILEFN_H_