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[IMM32] Add ValidateHandle function (#4467)

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Set the last error on failure of handle validation.
CORE-11700
This commit is contained in:
Katayama Hirofumi MZ 2022-04-23 08:16:53 +09:00 • committed by GitHub
commit b0b925d2b0
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5 changed files with 23 additions and 17 deletions
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18
dll/win32/imm32/utils.c
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@ -167,7 +167,7 @@ static PVOID FASTCALL DesktopPtrToUser(PVOID ptr)
return (PVOID)NtUserCallOneParam((DWORD_PTR)ptr, ONEPARAM_ROUTINE_GETDESKTOPMAPPING);
}
// Win: HMValidateHandle
// Win: HMValidateHandleNoRip
LPVOID FASTCALL ValidateHandleNoErr(HANDLE hObject, UINT uType)
{
UINT index;
@ -203,14 +203,18 @@ LPVOID FASTCALL ValidateHandleNoErr(HANDLE hObject, UINT uType)
return ptr;
}
PWND FASTCALL ValidateHwndNoErr(HWND hwnd)
// Win: HMValidateHandle
LPVOID FASTCALL ValidateHandle(HANDLE hObject, UINT uType)
{
/* See if the window is cached */
PCLIENTINFO ClientInfo = GetWin32ClientInfo();
if (hwnd == ClientInfo->CallbackWnd.hWnd)
return ClientInfo->CallbackWnd.pWnd;
LPVOID pvObj = ValidateHandleNoErr(hObject, uType);
if (pvObj)
return pvObj;
return ValidateHandleNoErr(hwnd, TYPE_WINDOW);
if (uType == TYPE_WINDOW)
SetLastError(ERROR_INVALID_WINDOW_HANDLE);
else
SetLastError(ERROR_INVALID_HANDLE);
return NULL;
}
// Win: TestInputContextProcess