Fix toolbar memory fault
Dave Hawkes
daveh at cadlink.com
Fri Dec 7 15:40:23 CST 2001
Fix for toolbar potentially using a NULL pointer.
Dave Hawkes
-------------- next part --------------
Index: dlls/comctl32/toolbar.c
===================================================================
RCS file: /home/wine/wine/dlls/comctl32/toolbar.c,v
retrieving revision 1.96
diff -u -r1.96 toolbar.c
--- dlls/comctl32/toolbar.c 2001/12/05 22:10:26 1.96
+++ dlls/comctl32/toolbar.c 2001/12/07 19:57:27
@@ -205,6 +205,9 @@
static INT
TOOLBAR_SendNotify (NMHDR *nmhdr, TOOLBAR_INFO *infoPtr, UINT code)
{
+ if(!IsWindow(infoPtr->hwndSelf))
+ return 0; /* we have just been destroyed */
+
nmhdr->idFrom = GetDlgCtrlID (infoPtr->hwndSelf);
nmhdr->hwndFrom = infoPtr->hwndSelf;
nmhdr->code = code;
@@ -1415,7 +1418,7 @@
PCUSTDLG_INFO custInfo = (PCUSTDLG_INFO)GetWindowLongA (hwnd, DWL_USER);
PCUSTOMBUTTON btnInfo;
NMTOOLBARA nmtb;
- TOOLBAR_INFO *infoPtr = custInfo->tbInfo;
+ TOOLBAR_INFO *infoPtr = custInfo ? custInfo->tbInfo : NULL;
switch (uMsg)
{
@@ -1428,6 +1431,8 @@
char Buffer[256];
int i = 0;
int index;
+
+ infoPtr = custInfo->tbInfo;
/* send TBN_QUERYINSERT notification */
nmtb.iItem = custInfo->tbInfo->nNumButtons;
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