Changeset 21582 in vbox for trunk/src/VBox/Runtime/r3/win

Timestamp:

Jul 14, 2009 2:50:24 PM (16 years ago)

Author:

vboxsync

svn:sync-xref-src-repo-rev:

50073

Message:

IPRT: RTFILE_O_APPEND.

File:

• trunk/src/VBox/Runtime/r3/win/fileio-win.cpp (modified) (1 diff)

trunk/src/VBox/Runtime/r3/win/fileio-win.cpp

@@ -202 +202 @@
     switch (fOpen & RTFILE_O_ACCESS_MASK)
     {
-        case RTFILE_O_READ:        dwDesiredAccess = GENERIC_READ; break;
-        case RTFILE_O_WRITE:       dwDesiredAccess = GENERIC_WRITE; break;
-        case RTFILE_O_READWRITE:   dwDesiredAccess = GENERIC_READ | GENERIC_WRITE; break;
+        case RTFILE_O_READ:
+            dwDesiredAccess = FILE_GENERIC_READ; /* RTFILE_O_APPEND is ignored. */
+            break;
+        case RTFILE_O_WRITE:
+            dwDesiredAccess = (fOpen & RTFILE_O_APPEND)?
+                                  FILE_GENERIC_WRITE & ~FILE_WRITE_DATA:
+                                  FILE_GENERIC_WRITE;
+            break;
+        case RTFILE_O_READWRITE:
+            dwDesiredAccess = (fOpen & RTFILE_O_APPEND)?
+                                  FILE_GENERIC_READ | (FILE_GENERIC_WRITE & ~FILE_WRITE_DATA):
+                                  FILE_GENERIC_READ | FILE_GENERIC_WRITE;
+            break;
         default:
             AssertMsgFailed(("Impossible fOpen=%#x\n", fOpen));