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oleaut32: Prevent freeing of random memory. 

Don't assign type to variant until we're sure we are assigning a
value.
This commit is contained in:
Ulrich Czekalla 2006-02-02 13:18:43 +01:00 committed by Alexandre Julliard
parent fc2ce6779e
commit 37f1d4cb54
1 changed files with 4 additions and 2 deletions
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6
dlls/oleaut32/variant.c
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@ -2952,7 +2952,6 @@ HRESULT WINAPI VarAdd(LPVARIANT left, LPVARIANT right, LPVARIANT result)
/* Do the math */
hres = S_OK;
V_VT(&tv) = tvt;
V_VT(result) = resvt;
switch (tvt) {
case VT_DECIMAL:
@ -2973,10 +2972,13 @@ HRESULT WINAPI VarAdd(LPVARIANT left, LPVARIANT right, LPVARIANT result)
V_VT(result) = VT_R8;
V_R8(result) = r8res;
goto end;
} else
} else {
V_VT(&tv) = tvt;
V_I8(&tv) = V_I8(&lv) + V_I8(&rv);
}
break;
case VT_R8:
V_VT(&tv) = tvt;
/* FIXME: overflow detection */
V_R8(&tv) = V_R8(&lv) + V_R8(&rv);
break;