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[User32] Fix Copy Paste

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Pointed out by otya. See CORE-17856.
This commit is contained in:
James Tabor 2021-11-24 09:36:50 -06:00
parent 07e19a5e09
commit a89844f740
1 changed files with 3 additions and 2 deletions
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5
win32ss/user/user32/windows/hook.c
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@ -712,7 +712,7 @@ User32CallHookProcFromKernel(PVOID Arguments, ULONG ArgumentLength)
CWPSTRUCT *pCWPT = &pcwps->cwps; CWPSTRUCT *pCWPT = &pcwps->cwps;
pCWP = HeapAlloc(GetProcessHeap(), 0, Common->lParamSize + sizeof(CWPSTRUCT)); pCWP = HeapAlloc(GetProcessHeap(), 0, Common->lParamSize + sizeof(CWPSTRUCT));
RtlCopyMemory(pCWP, pCWPT, sizeof(CWPSTRUCT)); RtlCopyMemory(pCWP, pCWPT, sizeof(CWPSTRUCT));
// ERR("WH_CALLWNDPROC: Code %d, wParam %d msg %d\n",Common->Code,Common->wParam,pCWP->message); //ERR("WH_CALLWNDPROC: Code %d, wParam %d hwnd %p msg %d\n",Common->Code,Common->wParam,pCWP->hwnd,pCWP->message);
/* If more memory is reserved, then lParam is a pointer. /* If more memory is reserved, then lParam is a pointer.
* Size of the buffer is stocked in the lParam member, and its content * Size of the buffer is stocked in the lParam member, and its content
* is at the end of the argument buffer */ * is at the end of the argument buffer */
@ -731,7 +731,8 @@ User32CallHookProcFromKernel(PVOID Arguments, ULONG ArgumentLength)
PCWPR_Struct pcwprs = (PCWPR_Struct)Common; PCWPR_Struct pcwprs = (PCWPR_Struct)Common;
CWPRETSTRUCT *pCWPRT = &pcwprs->cwprs; CWPRETSTRUCT *pCWPRT = &pcwprs->cwprs;
pCWPR = HeapAlloc(GetProcessHeap(), 0, Common->lParamSize + sizeof(CWPRETSTRUCT)); pCWPR = HeapAlloc(GetProcessHeap(), 0, Common->lParamSize + sizeof(CWPRETSTRUCT));
RtlCopyMemory(pCWPR, pCWPRT, sizeof(CWPSTRUCT)); RtlCopyMemory(pCWPR, pCWPRT, sizeof(CWPRETSTRUCT));
//ERR("WH_CALLWNDPROCRET: Code %d, wParam %d hwnd %p msg %d\n",Common->Code,Common->wParam,pCWPRT->hwnd,pCWPRT->message);
if ( Common->lParamSize ) if ( Common->lParamSize )
{ {
pCWPR->lParam = (LPARAM)((PCHAR)pCWPR + sizeof(CWPRETSTRUCT)); pCWPR->lParam = (LPARAM)((PCHAR)pCWPR + sizeof(CWPRETSTRUCT));