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
// 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));
int wxWrite(int fd, const void *buf, unsigned int count);
int wxEof(int fd);
wxFileOffset wxSeek(int fd, wxFileOffset offset, int origin);
+ inline HANDLE wxGetOSFHandle(int fd) { return (HANDLE)fd; }
#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
// 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 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
#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
#if defined(__DMC__) || defined(__WATCOMC__)
#define wxWrite _write
#endif
#endif
- #if __HUGEFILES_SUPPORTED
+ #if wxHAS_HUGE_FILES
#define wxSeek _lseeki64
#define wxLseek _lseeki64
#define wxTell _telli64
#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
#define wxAccess _waccess
#define wxMkDir _wmkdir
#define wxRmDir _wrmdir
- #if __HUGEFILES_SUPPORTED
+ #if wxHAS_HUGE_FILES
#define wxStat _wstati64
#else
#define wxStat _wstat
#else
#define wxRmDir _rmdir
#endif
- #if __HUGEFILES_SUPPORTED
+ #if wxHAS_HUGE_FILES
#define wxStat _stati64
#else
#define wxStat _stat
// 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
#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
#endif
#endif // platforms
+#if defined(__WXMSW__) && !defined(__WXWINCE__)
+ // get the HANDLE associated with a file descriptor
+# ifdef __CYGWIN__
+# include "wx/msw/private.h" // for HANDLE
+# include <io.h> // for get_osfhandle()
+ inline HANDLE wxGetOSFHandle(int fd) { return (HANDLE) get_osfhandle(fd); }
+# else
+ inline HANDLE wxGetOSFHandle(int fd) { return (HANDLE) _get_osfhandle(fd); }
+# endif
+#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 wxFileOffset wxInvalidOffset;
+extern const int wxInvalidOffset;
#else
-const wxFileOffset wxInvalidOffset = (wxFileOffset)-1;
+const int wxInvalidOffset = -1;
#endif
// ----------------------------------------------------------------------------
// 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);
+inline wxFileKind wxGetFileKind (FILE *fp) { return wxGetFileKind(fileno(fp)); }
+
// compatibility defines, don't use in new code
#define wxDirExists wxPathExists
// 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
{
projects / wxWidgets.git / blobdiff