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Always initialize msg16 and wparam16 in WINPROC_MapMsg32WTo16.

This commit is contained in:
Alexandre Julliard 2000-11-30 01:16:35 +00:00
parent 32fcfc24ae
commit 4cecd4ae7d
1 changed files with 6 additions and 13 deletions
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19
windows/winproc.c
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@ -260,7 +260,7 @@ static WINDOWPROC *WINPROC_GetPtr( WNDPROC16 handle )
/* Check for a linear pointer */
if (HEAP_IsInsideHeap( WinProcHeap, 0, (LPVOID)handle ))
if (HeapValidate( WinProcHeap, 0, (LPVOID)handle ))
{
ptr = (BYTE *)handle;
/* First check if it is the jmp address */
@ -278,7 +278,7 @@ static WINDOWPROC *WINPROC_GetPtr( WNDPROC16 handle )
if (!IsBadReadPtr16((SEGPTR)handle,sizeof(WINDOWPROC)-sizeof(proc->thunk)))
{
ptr = (BYTE *)PTR_SEG_TO_LIN(handle);
if (!HEAP_IsInsideHeap( WinProcHeap, 0, ptr )) return NULL;
if (!HeapValidate( WinProcHeap, 0, ptr )) return NULL;
/* It must be the thunk address */
if (*ptr == 0x58 /* popl eax */) ptr -= (int)&((WINDOWPROC *)0)->thunk;
/* Now we have a pointer to the WINDOWPROC struct */
@ -2181,6 +2181,8 @@ INT WINPROC_MapMsg32WTo16( HWND hwnd, UINT msg32, WPARAM wParam32,
UINT16 *pmsg16, WPARAM16 *pwparam16,
LPARAM *plparam )
{
*pmsg16 = LOWORD(msg32);
*pwparam16 = LOWORD(wParam32);
switch(msg32)
{
case LB_ADDSTRING:
@ -2193,10 +2195,9 @@ INT WINPROC_MapMsg32WTo16( HWND hwnd, UINT msg32, WPARAM wParam32,
{
LPSTR str = SEGPTR_STRDUP_WtoA( (LPWSTR)*plparam );
if (!str) return -1;
*pwparam16 = (WPARAM16)LOWORD(wParam32);
*plparam = (LPARAM)SEGPTR_GET(str);
}
*pmsg16 = (UINT16)msg32 + (LB_ADDSTRING16 - LB_ADDSTRING);
*pmsg16 = (UINT16)msg32 + (LB_ADDSTRING16 - LB_ADDSTRING);
return 1;
case CB_ADDSTRING:
@ -2208,10 +2209,9 @@ INT WINPROC_MapMsg32WTo16( HWND hwnd, UINT msg32, WPARAM wParam32,
{
LPSTR str = SEGPTR_STRDUP_WtoA( (LPWSTR)*plparam );
if (!str) return -1;
*pwparam16 = (WPARAM16)LOWORD(wParam32);
*plparam = (LPARAM)SEGPTR_GET(str);
}
*pmsg16 = (UINT16)msg32 + (CB_ADDSTRING16 - CB_ADDSTRING);
*pmsg16 = (UINT16)msg32 + (CB_ADDSTRING16 - CB_ADDSTRING);
return 1;
case WM_NCCREATE:
@ -2227,8 +2227,6 @@ INT WINPROC_MapMsg32WTo16( HWND hwnd, UINT msg32, WPARAM wParam32,
cls = SEGPTR_STRDUP_WtoA( cs32->lpszClass );
cs->lpszName = SEGPTR_GET(name);
cs->lpszClass = SEGPTR_GET(cls);
*pmsg16 = (UINT16)msg32;
*pwparam16 = (WPARAM16)LOWORD(wParam32);
*plparam = (LPARAM)SEGPTR_GET(cs);
}
return 1;
@ -2244,8 +2242,6 @@ INT WINPROC_MapMsg32WTo16( HWND hwnd, UINT msg32, WPARAM wParam32,
cls = SEGPTR_STRDUP_WtoA( cs32->szClass );
cs->szTitle = SEGPTR_GET(name);
cs->szClass = SEGPTR_GET(cls);
*pmsg16 = (UINT16)msg32;
*pwparam16 = (WPARAM16)LOWORD(wParam32);
*plparam = (LPARAM)SEGPTR_GET(cs);
}
return 1;
@ -2253,8 +2249,6 @@ INT WINPROC_MapMsg32WTo16( HWND hwnd, UINT msg32, WPARAM wParam32,
{
LPSTR str = SEGPTR_STRDUP_WtoA( (LPWSTR)*plparam );
if (!str) return -1;
*pmsg16 = (UINT16)msg32;
*pwparam16 = (WPARAM16)LOWORD(wParam32);
*plparam = (LPARAM)SEGPTR_GET(str);
}
return 1;
@ -2265,7 +2259,6 @@ INT WINPROC_MapMsg32WTo16( HWND hwnd, UINT msg32, WPARAM wParam32,
LPSTR str = (LPSTR) SEGPTR_ALLOC( 256 ); /* fixme: fixed sized buffer */
if (!str) return -1;
*pmsg16 = (msg32 == LB_GETTEXT)? LB_GETTEXT16 : CB_GETLBTEXT16;
*pwparam16 = (WPARAM16)LOWORD(wParam32);
*plparam = (LPARAM)SEGPTR_GET(str);
}
return 1;