+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
+// ----------------------------------------------------------------------------
+
+// Wrappers around Win32 api functions like CreateFile, ReadFile and such
+// Implemented in filefnwce.cpp
+#if defined( __WXWINCE__)
+ typedef __int64 wxFileOffset;
+ #define wxFileOffsetFmtSpec _("I64")
+ int wxOpen(const wxChar *filename, int oflag, int WXUNUSED(pmode));
+ int wxAccess(const wxChar *name, int WXUNUSED(how));
+ int wxClose(int fd);
+ int wxFsync(int WXUNUSED(fd));
+ int wxRead(int fd, void *buf, unsigned int count);
+ int wxWrite(int fd, const void *buf, unsigned int count);
+ int wxEof(int fd);
+ wxFileOffset wxSeek(int fd, wxFileOffset offset, int origin);
+ #define wxLSeek wxSeek
+ wxFileOffset wxTell(int fd);
+
+ // always Unicode under WinCE
+ #define wxMkDir _wmkdir
+ #define wxRmDir _wrmdir
+ #define wxStat _wstat
+ #define wxStructStat struct _stat
+#elif defined(__WXMSW__) && !defined(__WXPALMOS__) && \
+ ( \
+ defined(__VISUALC__) || \
+ (defined(__MINGW32__) && !defined(__WINE__) && \
+ wxCHECK_W32API_VERSION(0, 5)) || \
+ defined(__MWERKS__) || \
+ defined(__DMC__) || \
+ defined(__WATCOMC__) || \
+ defined(__BORLANDC__) \
+ )
+
+ #undef wxHAS_HUGE_FILES
+
+ // detect compilers which have support for huge files
+ #if defined(__VISUALC__)
+ #define wxHAS_HUGE_FILES 1
+ #elif defined(__MINGW32__)
+ #define wxHAS_HUGE_FILES 1
+ #elif defined(_LARGE_FILES)
+ #define wxHAS_HUGE_FILES 1
+ #endif
+
+ // other Windows compilers (DMC, Watcom, Metrowerks and Borland) don't have
+ // huge file support (or at least not all functions needed for it by wx)
+ // currently
+
+ #ifdef wxHAS_HUGE_FILES
+ typedef wxLongLong_t wxFileOffset;
+ #define wxFileOffsetFmtSpec wxLongLongFmtSpec
+ #else
+ typedef off_t wxFileOffset;
+ #endif
+
+
+ // functions
+
+ // MSVC and compatible compilers prepend underscores to the POSIX function
+ // names, other compilers don't and even if their later versions usually do
+ // define the versions with underscores for MSVC compatibility, it's better
+ // to avoid using them as they're not present in earlier versions and
+ // always using the native functions spelling is easier than testing for
+ // the versions
+ #if defined(__BORLANDC__) || defined(__DMC__) || defined(__WATCOMC__)
+ #define wxPOSIX_IDENT(func) ::func
+ #else // by default assume MSVC-compatible names
+ #define wxPOSIX_IDENT(func) _ ## func
+ #define wxHAS_UNDERSCORES_IN_POSIX_IDENTS
+ #endif
+
+
+ // first functions not working with strings, i.e. without ANSI/Unicode
+ // complications
+ #define wxClose wxPOSIX_IDENT(close)
+
+ #if defined(__MWERKS__)
+ #if __MSL__ >= 0x6000
+ #define wxRead(fd, buf, nCount) _read(fd, (void *)buf, nCount)
+ #define wxWrite(fd, buf, nCount) _write(fd, (void *)buf, nCount)
+ #else
+ #define wxRead(fd, buf, nCount)\
+ _read(fd, (const char *)buf, nCount)
+ #define wxWrite(fd, buf, nCount)\
+ _write(fd, (const char *)buf, nCount)
+ #endif
+ #else // __MWERKS__
+ #define wxRead wxPOSIX_IDENT(read)
+ #define wxWrite wxPOSIX_IDENT(write)
+ #endif
+
+ #ifdef wxHAS_HUGE_FILES
+ #define wxSeek wxPOSIX_IDENT(lseeki64)
+ #define wxLseek wxPOSIX_IDENT(lseeki64)
+ #define wxTell wxPOSIX_IDENT(telli64)
+ #else // !wxHAS_HUGE_FILES
+ #define wxSeek wxPOSIX_IDENT(lseek)
+ #define wxLseek wxPOSIX_IDENT(lseek)
+ #define wxTell wxPOSIX_IDENT(tell)
+ #endif // wxHAS_HUGE_FILES/!wxHAS_HUGE_FILES
+
+ #ifndef __WATCOMC__
+ #if !defined(__BORLANDC__) || (__BORLANDC__ > 0x540)
+ // NB: this one is not POSIX and always has the underscore
+ #define wxFsync _commit
+
+ #define HAVE_FSYNC
+ #endif // BORLANDC
+ #endif
+
+ #define wxEof wxPOSIX_IDENT(eof)
+
+ // then the functions taking strings
+ #if wxUSE_UNICODE
+ #if wxUSE_UNICODE_MSLU
+ // implement the missing file functions in Win9x ourselves
+ #if defined( __VISUALC__ ) \
+ || ( defined(__MINGW32__) && wxCHECK_W32API_VERSION( 0, 5 ) ) \
+ || ( defined(__MWERKS__) && defined(__WXMSW__) ) \
+ || ( defined(__BORLANDC__) && (__BORLANDC__ > 0x460) ) \
+ || defined(__DMC__)
+
+ WXDLLIMPEXP_BASE int wxMSLU__wopen(const wxChar *name,
+ int flags, int mode);
+ WXDLLIMPEXP_BASE int wxMSLU__waccess(const wxChar *name,
+ int mode);
+ WXDLLIMPEXP_BASE int wxMSLU__wmkdir(const wxChar *name);
+ WXDLLIMPEXP_BASE int wxMSLU__wrmdir(const wxChar *name);
+
+ WXDLLIMPEXP_BASE int
+ wxMSLU__wstat(const wxChar *name,
+ struct wxPOSIX_IDENT(stat) *buffer);
+ WXDLLIMPEXP_BASE int
+ wxMSLU__wstati64(const wxChar *name,
+ struct wxPOSIX_IDENT(stati64) *buffer);
+ #endif // Windows compilers with MSLU support
+
+ #define wxOpen wxMSLU__wopen
+
+ #define wxAccess wxMSLU__waccess
+ #define wxMkDir wxMSLU__wmkdir
+ #define wxRmDir wxMSLU__wrmdir
+ #ifdef wxHAS_HUGE_FILES
+ #define wxStat wxMSLU__wstati64
+ #else
+ #define wxStat wxMSLU__wstat
+ #endif
+ #else // !wxUSE_UNICODE_MSLU
+ #ifdef __BORLANDC__
+ #if __BORLANDC__ >= 0x550 && __BORLANDC__ <= 0x551
+ WXDLLIMPEXP_BASE int wxOpen(const wxChar *pathname,
+ int flags, mode_t mode);
+ #else
+ #define wxOpen _wopen
+ #endif
+ #define wxAccess _waccess
+ #define wxMkDir _mkdir
+ #define wxRmDir _rmdir
+ #ifdef wxHAS_HUGE_FILES
+ #define wxStat _wstati64
+ #else
+ #define wxStat _wstat
+ #endif
+ #else
+ #define wxOpen _wopen
+ #define wxAccess _waccess
+ #define wxMkDir _wmkdir
+ #define wxRmDir _wrmdir
+ #ifdef wxHAS_HUGE_FILES
+ #define wxStat _wstati64
+ #else
+ #define wxStat _wstat
+ #endif
+ #endif
+ #endif // wxUSE_UNICODE_MSLU/!wxUSE_UNICODE_MSLU
+ #else // !wxUSE_UNICODE
+ #define wxOpen wxPOSIX_IDENT(open)
+ #define wxAccess wxPOSIX_IDENT(access)
+ #define wxMkDir wxPOSIX_IDENT(mkdir)
+ #define wxRmDir wxPOSIX_IDENT(rmdir)
+ #ifdef wxHAS_HUGE_FILES
+ #define wxStat wxPOSIX_IDENT(stati64)
+ #else
+ #define wxStat wxPOSIX_IDENT(stat)
+ #endif
+ #endif // wxUSE_UNICODE/!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.
+ // This was droped since OW 1.4 "for consistency across platforms".
+ #ifdef wxHAS_HUGE_FILES
+ #if wxUSE_UNICODE && wxONLY_WATCOM_EARLIER_THAN(1,4)
+ #define wxStructStat struct _wstati64
+ #else
+ #define wxStructStat struct _stati64
+ #endif
+ #else
+ #if wxUSE_UNICODE && wxONLY_WATCOM_EARLIER_THAN(1,4)
+ #define wxStructStat struct _wstat
+ #else
+ #define wxStructStat struct _stat
+ #endif
+ #endif
+
+ // constants (unless already defined by the user code)
+ #ifdef wxHAS_UNDERSCORES_IN_POSIX_IDENTS
+ #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
+
+ #ifndef S_IFMT
+ #define S_IFMT _S_IFMT
+ #define S_IFDIR _S_IFDIR
+ #define S_IFREG _S_IFREG
+ #endif
+ #endif // wxHAS_UNDERSCORES_IN_POSIX_IDENTS
+
+ #ifdef wxHAS_HUGE_FILES
+ // wxFile is present and supports large files. Currently wxFFile
+ // doesn't have large file support with any Windows compiler (even
+ // Win64 ones).
+ #if wxUSE_FILE
+ #define wxHAS_LARGE_FILES
+ #endif
+ #endif
+
+ // it's a private define, undefine it so that nobody gets tempted to use it
+ #undef wxHAS_HUGE_FILES
+#else // Unix or Windows using unknown compiler, assume POSIX supported
+ typedef off_t wxFileOffset;
+ #ifdef _LARGE_FILES
+ #define wxFileOffsetFmtSpec wxLongLongFmtSpec
+ wxCOMPILE_TIME_ASSERT( sizeof(off_t) == sizeof(wxLongLong_t),
+ BadFileSizeType );
+ // wxFile is present and supports large files
+ #ifdef wxUSE_FILE
+ #define wxHAS_LARGE_FILES
+ #endif
+ // wxFFile is present and supports large files
+ #if SIZEOF_LONG == 8 || defined HAVE_FSEEKO
+ #define wxHAS_LARGE_FFILES
+ #endif
+ #else
+ #define wxFileOffsetFmtSpec _T("")
+ #endif
+ // functions
+ #define wxClose close
+ #define wxRead ::read
+ #define wxWrite ::write
+ #define wxLseek lseek
+ #define wxSeek lseek
+ #define wxFsync fsync
+ #define wxEof eof
+
+ #define wxMkDir mkdir
+ #define wxRmDir rmdir
+
+ #define wxTell(fd) lseek(fd, 0, SEEK_CUR)
+
+ #define wxStructStat struct stat
+
+ #if wxUSE_UNICODE
+ #define wxNEED_WX_UNISTD_H
+ #if defined(__DMC__)
+ typedef unsigned long mode_t;
+ #endif
+ WXDLLIMPEXP_BASE int wxStat( const wxChar *file_name, wxStructStat *buf );
+ WXDLLIMPEXP_BASE int wxLstat( const wxChar *file_name, wxStructStat *buf );
+ WXDLLIMPEXP_BASE int wxAccess( const wxChar *pathname, int mode );
+ WXDLLIMPEXP_BASE int wxOpen( const wxChar *pathname, int flags, mode_t mode );
+ #else
+ #define wxOpen open
+ #define wxStat stat
+ #define wxLstat lstat
+ #define wxAccess access
+ #endif
+
+ #define wxHAS_NATIVE_LSTAT
+#endif // platforms
+
+#ifdef O_BINARY
+ #define wxO_BINARY O_BINARY
+#else
+ #define wxO_BINARY 0
+#endif
+
+// if the platform doesn't have symlinks, define wxLstat to be the same as
+// wxStat to avoid #ifdefs in the code using it
+#ifndef wxHAS_NATIVE_LSTAT
+ #define wxLstat wxStat
+#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 int wxInvalidOffset;
+#else
+const int wxInvalidOffset = -1;
+#endif
projects / wxWidgets.git / blobdiff