X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/6d067eb66aaac61b12322559fb966c7e84ebbaa7..6def7a17b01a15e68696a1863d114ecc5554e3d4:/include/wx/filefn.h diff --git a/include/wx/filefn.h b/include/wx/filefn.h index 24c64f8f79..d1a8a27b65 100644 --- a/include/wx/filefn.h +++ b/include/wx/filefn.h @@ -122,6 +122,14 @@ enum wxSeekMode wxFromEnd }; +enum wxFileKind +{ + wxFILE_KIND_UNKNOWN, + wxFILE_KIND_DISK, // a file supporting seeking to arbitrary offsets + wxFILE_KIND_TERMINAL, // a tty + wxFILE_KIND_PIPE // a pipe +}; + // ---------------------------------------------------------------------------- // declare our versions of low level file functions: some compilers prepend // underscores to the usual names, some also have Unicode versions of them @@ -143,25 +151,10 @@ enum wxSeekMode #define wxLSeek wxSeek wxFileOffset wxTell(int fd); - #if wxUSE_UNICODE - #if wxUSE_UNICODE_MSLU - #define wxMkDir wxMSLU__wmkdir - #define wxRmDir wxMSLU__wrmdir - #define wxStat wxMSLU__wstat - #else - #define wxMkDir _wmkdir - #define wxRmDir _wrmdir - #define wxStat _wstat - #endif - #else // !wxUSE_UNICODE - #define wxMkDir _mkdir - #ifdef __WATCOMC__ - #define wxRmDir rmdir - #else - #define wxRmDir _rmdir - #endif - #define wxStat _stat - #endif + // always Unicode under WinCE + #define wxMkDir _wmkdir + #define wxRmDir _wrmdir + #define wxStat _wstat #define wxStructStat struct _stat // Microsoft compiler loves underscores, feed them to it @@ -173,19 +166,21 @@ enum wxSeekMode // detect compilers which have support for huge files (currently only // Digital Mars doesn't) + #ifndef __WXPALMOS__ #include "wx/msw/private.h" + #endif - #undef __HUGEFILES_SUPPORTED + #undef wxHAS_HUGE_FILES #if defined(__MINGW32__) - #define __HUGEFILES_SUPPORTED 1 + #define wxHAS_HUGE_FILES 1 #elif defined(__MWERKS__) - #define __HUGEFILES_SUPPORTED 0 + #define wxHAS_HUGE_FILES 0 #elif defined(__DMC__) - #define __HUGEFILES_SUPPORTED 0 + #define wxHAS_HUGE_FILES 0 #elif ((_INTEGRAL_MAX_BITS >= 64) || defined(_LARGE_FILES)) - #define __HUGEFILES_SUPPORTED 1 + #define wxHAS_HUGE_FILES 1 #else - #define __HUGEFILES_SUPPORTED 0 + #define wxHAS_HUGE_FILES 0 #endif // functions @@ -193,12 +188,11 @@ enum wxSeekMode #define _tell tell #endif - #if __HUGEFILES_SUPPORTED + #if wxHAS_HUGE_FILES typedef wxLongLong_t wxFileOffset; #define wxFileOffsetFmtSpec wxLongLongFmtSpec #else typedef off_t wxFileOffset; - #define wxFileOffsetFmtSpec _("") #endif #define wxClose _close @@ -222,7 +216,7 @@ enum wxSeekMode #define wxWrite _write #endif #endif - #if __HUGEFILES_SUPPORTED + #if wxHAS_HUGE_FILES #define wxSeek _lseeki64 #define wxLseek _lseeki64 #define wxTell _telli64 @@ -245,7 +239,7 @@ enum wxSeekMode #define wxAccess wxMSLU__waccess #define wxMkDir wxMSLU__wmkdir #define wxRmDir wxMSLU__wrmdir - #if __HUGEFILES_SUPPORTED + #if wxHAS_HUGE_FILES #define wxStat wxMSLU__wstati64 #else #define wxStat wxMSLU__wstat @@ -255,7 +249,7 @@ enum wxSeekMode #define wxAccess _waccess #define wxMkDir _wmkdir #define wxRmDir _wrmdir - #if __HUGEFILES_SUPPORTED + #if wxHAS_HUGE_FILES #define wxStat _wstati64 #else #define wxStat _wstat @@ -274,7 +268,7 @@ enum wxSeekMode #else #define wxRmDir _rmdir #endif - #if __HUGEFILES_SUPPORTED + #if wxHAS_HUGE_FILES #define wxStat _stati64 #else #define wxStat _stat @@ -283,7 +277,7 @@ enum wxSeekMode // types: notice that Watcom is the only compiler to have a wide char // version of struct stat as well as a wide char stat function variant - #if __HUGEFILES_SUPPORTED + #if wxHAS_HUGE_FILES #if wxUSE_UNICODE && defined(__WATCOMC__) #define wxStructStat struct _wstati64 #else @@ -298,27 +292,31 @@ enum wxSeekMode #endif // constants (unless already defined by the user code) - #if !defined(O_RDONLY) && !defined(__BORLANDC__) && !defined(__WATCOMC__) - #define O_RDONLY _O_RDONLY - #define O_WRONLY _O_WRONLY - #define O_RDWR _O_RDWR - #define O_EXCL _O_EXCL - #define O_CREAT _O_CREAT - #define O_BINARY _O_BINARY - #endif + #if !defined(__BORLANDC__) && !defined(__WATCOMC__) && !defined(__WXPALMOS__) + #ifndef O_RDONLY + #define O_RDONLY _O_RDONLY + #define O_WRONLY _O_WRONLY + #define O_RDWR _O_RDWR + #define O_EXCL _O_EXCL + #define O_CREAT _O_CREAT + #define O_BINARY _O_BINARY + #endif - #if !defined(__BORLANDC__) && !defined(__WATCOMC__) - #define S_IFMT _S_IFMT - #define S_IFDIR _S_IFDIR - #define S_IFREG _S_IFREG - #endif // O_RDONLY + #ifndef S_IFMT + #define S_IFMT _S_IFMT + #define S_IFDIR _S_IFDIR + #define S_IFREG _S_IFREG + #endif + #endif // It's a private define, undefine it so nobody gets tempted to use it - #undef __HUGEFILES_SUPPORTED + #undef wxHAS_HUGE_FILES #else // Unix platforms using configure typedef off_t wxFileOffset; #ifdef _LARGE_FILES #define wxFileOffsetFmtSpec wxLongLongFmtSpec + wxCOMPILE_TIME_ASSERT( sizeof(off_t) == sizeof(wxLongLong_t), + BadFileSizeType ); #else #define wxFileOffsetFmtSpec _T("") #endif @@ -358,9 +356,9 @@ enum wxSeekMode // VisualAge C++ V4.0 cannot have any external linkage const decs // in headers included by more than one primary source // -extern const wxFileOffset wxInvalidOffset; +extern const int wxInvalidOffset; #else -const wxFileOffset wxInvalidOffset = (wxFileOffset)-1; +const int wxInvalidOffset = -1; #endif // ---------------------------------------------------------------------------- @@ -459,6 +457,10 @@ WXDLLIMPEXP_BASE bool wxMkdir(const wxString& dir, int perm = 0777); // Remove directory. Flags reserved for future use. WXDLLIMPEXP_BASE bool wxRmdir(const wxString& dir, int flags = 0); +// Return the type of an open file +WXDLLIMPEXP_BASE wxFileKind wxGetFileKind(int fd); +WXDLLIMPEXP_BASE wxFileKind wxGetFileKind(FILE *fp); + // compatibility defines, don't use in new code #define wxDirExists wxPathExists @@ -549,6 +551,41 @@ WXDLLIMPEXP_BASE int wxParseCommonDialogsFilter(const wxString& wildCard, wxArra // classes // ---------------------------------------------------------------------------- +#ifdef __UNIX__ + +// set umask to the given value in ctor and reset it to the old one in dtor +class WXDLLIMPEXP_BASE wxUmaskChanger +{ +public: + // change the umask to the given one if it is not -1: this allows to write + // the same code whether you really want to change umask or not, as is in + // wxFileConfig::Flush() for example + wxUmaskChanger(int umaskNew) + { + m_umaskOld = umaskNew == -1 ? -1 : (int)umask((mode_t)umaskNew); + } + + ~wxUmaskChanger() + { + if ( m_umaskOld != -1 ) + umask((mode_t)m_umaskOld); + } + +private: + int m_umaskOld; +}; + +// this macro expands to an "anonymous" wxUmaskChanger object under Unix and +// nothing elsewhere +#define wxCHANGE_UMASK(m) wxUmaskChanger wxMAKE_UNIQUE_NAME(umaskChanger_)(m) + +#else // !__UNIX__ + +#define wxCHANGE_UMASK(m) + +#endif // __UNIX__/!__UNIX__ + + // Path searching class WXDLLIMPEXP_BASE wxPathList : public wxStringList {