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Fixed sign problem in GetWindowWord/Long check for offset larger than 

the window extra bytes.
This commit is contained in:
Alexandre Julliard 2002-11-13 19:49:29 +00:00
parent 85062e62f9
commit a817568231
1 changed files with 4 additions and 4 deletions
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8
windows/win.c
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@ -1771,7 +1771,7 @@ WORD WINAPI GetWindowWord( HWND hwnd, INT offset )
SetLastError( ERROR_INVALID_WINDOW_HANDLE );
return 0;
}
if (offset > wndPtr->cbWndExtra - sizeof(WORD))
if (offset > (int)(wndPtr->cbWndExtra - sizeof(WORD)))
{
WARN("Invalid offset %d\n", offset );
SetLastError( ERROR_INVALID_INDEX );
@ -1837,7 +1837,7 @@ WORD WINAPI SetWindowWord( HWND hwnd, INT offset, WORD newval )
return 0;
}
if (offset > wndPtr->cbWndExtra - sizeof(WORD))
if (offset > (int)(wndPtr->cbWndExtra - sizeof(WORD)))
{
WARN("Invalid offset %d\n", offset );
WIN_ReleasePtr(wndPtr);
@ -1916,7 +1916,7 @@ static LONG WIN_GetWindowLong( HWND hwnd, INT offset, WINDOWPROCTYPE type )
if (offset >= 0)
{
if (offset > wndPtr->cbWndExtra - sizeof(LONG))
if (offset > (int)(wndPtr->cbWndExtra - sizeof(LONG)))
{
/*
* Some programs try to access last element from 16 bit
@ -2005,7 +2005,7 @@ static LONG WIN_SetWindowLong( HWND hwnd, INT offset, LONG newval,
if (offset >= 0)
{
LONG *ptr = (LONG *)(((char *)wndPtr->wExtra) + offset);
if (offset > wndPtr->cbWndExtra - sizeof(LONG))
if (offset > (int)(wndPtr->cbWndExtra - sizeof(LONG)))
{
WARN("Invalid offset %d\n", offset );
WIN_ReleasePtr( wndPtr );