[ros-diffs] 03/04: [WIN32K:NTUSER] Avoid allocating an extra item in IntCloneMenuItems. CORE-14222

[Thomas Faber]

https://git.reactos.org/?p=reactos.git;a=commitdiff;h=1969094028f166e7354ec6...

commit 1969094028f166e7354ec639a5d38e4ef02716e5
Author:     Thomas Faber [e-mail]
AuthorDate: Thu Feb 1 11:07:39 2018 +0100
Commit:     Thomas Faber [e-mail]
CommitDate: Sun Feb 18 11:27:32 2018 +0100

[WIN32K:NTUSER] Avoid allocating an extra item in IntCloneMenuItems. CORE-14222
---
 win32ss/user/ntuser/menu.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/win32ss/user/ntuser/menu.c b/win32ss/user/ntuser/menu.c
index 5ecffbb8e3..46382e4815 100644
--- a/win32ss/user/ntuser/menu.c
+++ b/win32ss/user/ntuser/menu.c
@@ -778,10 +778,10 @@ IntCloneMenuItems(PMENU Destination, PMENU Source)
    if(!Source->cItems)
       return FALSE;

-   NewMenuItem = DesktopHeapAlloc(Destination->head.rpdesk, (Source->cItems+1) * sizeof(ITEM));
+   NewMenuItem = DesktopHeapAlloc(Destination->head.rpdesk, Source->cItems * sizeof(ITEM));
    if(!NewMenuItem) return FALSE;

-   RtlZeroMemory(NewMenuItem, (Source->cItems+1) * sizeof(ITEM));
+   RtlZeroMemory(NewMenuItem, Source->cItems * sizeof(ITEM));

Destination->rgItems = NewMenuItem;