Changeset 107091 in vbox for trunk/src/VBox/Additions/common/VBoxGuest/lib/VBoxGuestR0LibHGCMInternal.cpp

Timestamp:

Nov 21, 2024 4:12:02 PM (8 weeks ago)

Author:

vboxsync

Message:

iprt/cdefs.h,SUPDrvIOC.h,VBoxGuestR0Lib: Added a RT_UOFFSETOF_FLEX_ARRAY macro for calculating the size of structures ending with an variables length arrays. Only tested on windows... bugref:10585

File:

• trunk/src/VBox/Additions/common/VBoxGuest/lib/VBoxGuestR0LibHGCMInternal.cpp (modified) (2 diffs)

trunk/src/VBox/Additions/common/VBoxGuest/lib/VBoxGuestR0LibHGCMInternal.cpp

@@ -437 +437 @@
                     {
                         size_t const cPages = RTR0MemObjSize(hObj) >> PAGE_SHIFT;
-                        *pcbExtra += RT_UOFFSETOF_DYN(HGCMPageListInfo, aPages)
-                                     + RT_SIZEOFMEMB(HGCMPageListInfo, aPages) * cPages;
+                        *pcbExtra += RT_UOFFSETOF_FLEX_ARRAY(HGCMPageListInfo, aPages, cPages);
                     }
                 }
@@ -647 +646 @@
                         }
 
-                        offExtra += (uint32_t)(RT_UOFFSETOF_DYN(HGCMPageListInfo, aPages)
-                                    + RT_SIZEOFMEMB(HGCMPageListInfo, aPages) * cPages);
+                        offExtra += (uint32_t)RT_UOFFSETOF_FLEX_ARRAY(HGCMPageListInfo, aPages, cPages);
                     }
                     else