X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/4004775e5a0c2da5453668201a4a984b6543d061..d11e8786ed13b72766eea18cb577cc00f9f08f41:/include/wx/filefn.h?ds=sidebyside diff --git a/include/wx/filefn.h b/include/wx/filefn.h index b0bd032071..1d0b0bac66 100644 --- a/include/wx/filefn.h +++ b/include/wx/filefn.h @@ -107,7 +107,7 @@ #endif #endif -#if defined(__VISUALC__) || ( defined(__MWERKS__) && defined( __INTEL__) ) +#if (defined(__VISUALC__) && !defined(__WXWINCE__)) || ( defined(__MWERKS__) && defined( __INTEL__) ) typedef _off_t off_t; #elif defined(__SYMANTEC__) typedef long off_t; @@ -115,16 +115,6 @@ typedef long off_t; #endif -#if defined(__VISAGECPP__) && __IBMCPP__ >= 400 -// -// VisualAge C++ V4.0 cannot have any external linkage const decs -// in headers included by more than one primary source -// -extern const off_t wxInvalidOffset; -#else -const off_t wxInvalidOffset = (off_t)-1; -#endif - enum wxSeekMode { wxFromStart, @@ -132,6 +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 @@ -139,7 +137,7 @@ enum wxSeekMode // Wrappers around Win32 api functions like CreateFile, ReadFile and such // Implemented in filefnwce.cpp -#if defined( __WINCE__) +#if defined( __WXWINCE__) typedef __int64 wxFileOffset; #define wxFileOffsetFmtSpec _("I64") int wxOpen(const wxChar *filename, int oflag, int WXUNUSED(pmode)); @@ -153,25 +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 @@ -181,15 +164,23 @@ enum wxSeekMode || ( defined(__DMC__) && defined(__WXMSW__) ) \ || ( defined(__WATCOMC__) && defined(__WXMSW__) ) - // Not all of the Win32 compilers do have huge file support, for example - // the Digitalmars compiler does not have huge file size support + // 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 - #if _INTEGRAL_MAX_BITS >= 64 && !defined(__DMC__) - #define __HUGEFILES_SUPPORTED 1 + #undef wxHAS_HUGE_FILES + #if defined(__MINGW32__) + #define wxHAS_HUGE_FILES 1 + #elif defined(__MWERKS__) + #define wxHAS_HUGE_FILES 0 + #elif defined(__DMC__) + #define wxHAS_HUGE_FILES 0 + #elif ((_INTEGRAL_MAX_BITS >= 64) || defined(_LARGE_FILES)) + #define wxHAS_HUGE_FILES 1 #else - #define __HUGEFILES_SUPPORTED 0 + #define wxHAS_HUGE_FILES 0 #endif // functions @@ -197,26 +188,27 @@ 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 #if defined(__MWERKS__) #if __MSL__ >= 0x6000 - #define wxRead _read(fd, (void *)buf, nCount) - #define wxWrite _write(fd, (void *)buf, nCount) + #define wxRead(fd, buf, nCount) _read(fd, (void *)buf, nCount) + #define wxWrite(fd, buf, nCount) _write(fd, (void *)buf, nCount) #else - #define wxRead _read(fd, (const char *)buf, nCount) - #define wxWrite _write(fd, (const char *)buf, nCount) + #define wxRead(fd, buf, nCount)\ + _read(fd, (const char *)buf, nCount) + #define wxWrite(fd, buf, nCount)\ + _write(fd, (const char *)buf, nCount) #endif #else - #ifdef __DMC__ + #if defined(__DMC__) || defined(__WATCOMC__) #define wxRead ::read #define wxWrite ::write #else @@ -224,7 +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 @@ -234,7 +226,11 @@ enum wxSeekMode #define wxTell _tell #endif #define wxFsync _commit - #define wxEof _eof + #if defined(__WATCOMC__) + #define wxEof ::eof + #else + #define wxEof _eof + #endif #if wxUSE_UNICODE #if wxUSE_UNICODE_MSLU @@ -243,7 +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 @@ -253,7 +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 @@ -272,22 +268,23 @@ enum wxSeekMode #else #define wxRmDir _rmdir #endif - #if __HUGEFILES_SUPPORTED + #if wxHAS_HUGE_FILES #define wxStat _stati64 #else #define wxStat _stat #endif #endif - // types - #if __HUGEFILES_SUPPORTED - #if wxUSE_UNICODE + // 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 wxHAS_HUGE_FILES + #if wxUSE_UNICODE && defined(__WATCOMC__) #define wxStructStat struct _wstati64 #else #define wxStructStat struct _stati64 #endif #else - #if wxUSE_UNICODE + #if wxUSE_UNICODE && defined(__WATCOMC__) #define wxStructStat struct _wstat #else #define wxStructStat struct _stat @@ -295,27 +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 -#else + #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 @@ -348,8 +349,17 @@ enum wxSeekMode #define wxStat stat #define wxAccess access #endif +#endif // platforms -#endif // VC++ +#if defined(__VISAGECPP__) && __IBMCPP__ >= 400 +// +// VisualAge C++ V4.0 cannot have any external linkage const decs +// in headers included by more than one primary source +// +extern const int wxInvalidOffset; +#else +const int wxInvalidOffset = -1; +#endif // ---------------------------------------------------------------------------- // functions @@ -447,8 +457,14 @@ 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 +#if WXWIN_COMPATIBILITY_2_4 + #define wxDirExists wxPathExists +#endif // ---------------------------------------------------------------------------- // separators in file names @@ -537,6 +553,41 @@ 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 {