no real changes, just minor refactoring and cleanup

[wxWidgets.git] / src / msw / wince / filefnwce.cpp

diff --git a/src/msw/wince/filefnwce.cpp b/src/msw/wince/filefnwce.cpp
index a1163cfee99385ce7dc8e45d796e2d8d45fa53e1..f990d7e3323e8e4c188d5b1299e3af17bd21db93 100644 (file)
--- a/src/msw/wince/filefnwce.cpp
+++ b/src/msw/wince/filefnwce.cpp
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////////
-// Name:        filefn.cpp
+// Name:        src/msw/wince/filefn.cpp
 // Purpose:     File- and directory-related functions
 // Author:      Julian Smart
 // Modified by:
@@ -17,28 +17,24 @@
 // headers
 // ----------------------------------------------------------------------------
 
-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
-    #pragma implementation "filefn.h"
-#endif
-
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
-#include "wx/defs.h"
-#include "wx/file.h"
 
 #ifdef __BORLANDC__
     #pragma hdrstop
 #endif
 
+#include "wx/file.h"
+
 #include <ctype.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
-#include <fcntl.h>
 
 #ifdef __WXWINCE__
+#include "wx/msw/wince/missing.h"
 
-int wxOpen(const wxChar *filename, int oflag, int WXUNUSED(pmode))
+int wxCRT_Open(const wxChar *filename, int oflag, int WXUNUSED(pmode))
 {
     DWORD access = 0;
     DWORD shareMode = 0;
@@ -48,16 +44,19 @@ int wxOpen(const wxChar *filename, int oflag, int WXUNUSED(pmode))
     {
         access = GENERIC_READ;
         shareMode = FILE_SHARE_READ|FILE_SHARE_WRITE;
-        disposition |= OPEN_EXISTING;
+        disposition = OPEN_EXISTING;
     }
     else if ((oflag & (O_RDONLY | O_WRONLY | O_RDWR)) == O_WRONLY)
     {
         access = GENERIC_WRITE;
+        disposition = OPEN_ALWAYS;
     }
     else if ((oflag & (O_RDONLY | O_WRONLY | O_RDWR)) == O_RDWR)
     {
         access = GENERIC_READ|GENERIC_WRITE;
+        disposition = OPEN_ALWAYS;
     }
+
     if (oflag & O_APPEND)
     {
         if ( wxFile::Exists(filename) )
@@ -66,16 +65,16 @@ int wxOpen(const wxChar *filename, int oflag, int WXUNUSED(pmode))
             shareMode = FILE_SHARE_READ;
             disposition = OPEN_EXISTING;
         }
-        //else: fall through as write_append is the same as write if the
-        //      file doesn't exist
         else
+        {
             oflag |= O_TRUNC;
+        }
     }
     if (oflag & O_TRUNC)
     {
         access |= GENERIC_WRITE;
         shareMode = 0;
-        disposition = (oflag & O_CREAT) ? CREATE_ALWAYS : TRUNCATE_EXISTING;
+        disposition = oflag & O_CREAT ? CREATE_ALWAYS : TRUNCATE_EXISTING;
     }
     else if (oflag & O_CREAT)
     {
@@ -101,7 +100,7 @@ int wxOpen(const wxChar *filename, int oflag, int WXUNUSED(pmode))
     return fd;
 }
 
-int wxAccess(const wxChar *name, int WXUNUSED(how))
+int wxCRT_Access(const wxChar *name, int WXUNUSED(how))
 {
     HANDLE fileHandle = ::CreateFile(name, 0, FILE_SHARE_DELETE | FILE_SHARE_READ | FILE_SHARE_WRITE, NULL,
         OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, 0);
@@ -123,21 +122,19 @@ int wxClose(int fd)
 
 int wxEof(int fd)
 {
-    LONG high0 = 0;
-    DWORD off0 = SetFilePointer((HANDLE) fd, 0, &high0, FILE_CURRENT);
+    DWORD off0 = SetFilePointer((HANDLE) fd, 0, NULL, FILE_CURRENT);
     if (off0 == 0xFFFFFFFF && GetLastError() != NO_ERROR)
         return -1;
-    
-    LONG high1 = 0;
-    DWORD off1 = SetFilePointer((HANDLE) fd, 0, &high0, FILE_END);
+
+    DWORD off1 = SetFilePointer((HANDLE) fd, 0, NULL, FILE_END);
     if (off1 == 0xFFFFFFFF && GetLastError() != NO_ERROR)
         return -1;
-    
-    if (off0 == off1 && high0 == high1)
+
+    if (off0 == off1)
         return 1;
     else
     {
-        SetFilePointer((HANDLE) fd, off0, &high0, FILE_BEGIN);
+        SetFilePointer((HANDLE) fd, off0, NULL, FILE_BEGIN);
         return 0;
     }
 }
@@ -182,8 +179,7 @@ __int64 wxSeek(int fd, __int64 offset, int origin)
             break;
     }
 
-    LONG high = 0;
-    DWORD res = SetFilePointer((HANDLE) fd, offset, &high, method) ;
+    DWORD res = SetFilePointer((HANDLE) fd, offset, NULL, method) ;
     if (res == 0xFFFFFFFF && GetLastError() != NO_ERROR)
     {
         wxLogSysError(_("can't seek on file descriptor %d"), fd);
@@ -195,15 +191,16 @@ __int64 wxSeek(int fd, __int64 offset, int origin)
 
 __int64 wxTell(int fd)
 {
-    LONG high = 0;
-    DWORD res = SetFilePointer((HANDLE) fd, 0, &high, FILE_CURRENT) ;
+    // WinCE apparently doesn't support lpDistanceToMoveHigh.
+    // LONG high = 0;
+    DWORD res = SetFilePointer((HANDLE) fd, 0, NULL, FILE_CURRENT) ;
     if (res == 0xFFFFFFFF && GetLastError() != NO_ERROR)
     {
         wxLogSysError(_("can't get seek position on file descriptor %d"), fd);
         return wxInvalidOffset;
     }
     else
-        return res + (((__int64)high) << 32);
+        return res ; // + (((__int64)high) << 32);
 }
 
 int wxFsync(int WXUNUSED(fd))