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VarAdd support for integers.

This commit is contained in:
Jason Edmeades 2002-12-10 19:06:28 +00:00 committed by Alexandre Julliard
parent b459bb8fb3
commit d197d40295
2 changed files with 85 additions and 1 deletions
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2
dlls/oleaut32/oleaut32.spec
View File

@ -138,7 +138,7 @@
138 stdcall VarUI1FromBool(long ptr) VarUI1FromBool
139 stdcall VarFormatFromTokens (ptr ptr ptr long ptr long) VarFormatFromTokens
140 stdcall VarTokenizeFormatString (ptr ptr long long long long ptr) VarTokenizeFormatString
141 stub VarAdd # stdcall (ptr ptr ptr)
141 stdcall VarAdd(ptr ptr ptr) VarAdd
142 stdcall VarAnd(ptr ptr ptr) VarAnd
143 stub VarDiv # stdcall (ptr ptr ptr)
144 stub OACreateTypeLib2

84
dlls/oleaut32/variant.c
View File

@ -5153,6 +5153,90 @@ HRESULT WINAPI VarAnd(LPVARIANT left, LPVARIANT right, LPVARIANT result)
return rc;
}
/**********************************************************************
* VarAdd [OLEAUT32.141]
* FIXME: From MSDN: If ... Then
* Both expressions are of the string type Concatenated.
* One expression is a string type and the other a character Addition.
* One expression is numeric and the other is a string Addition.
* Both expressions are numeric Addition.
* Either expression is NULL NULL is returned.
* Both expressions are empty Integer subtype is returned.
*
*/
HRESULT WINAPI VarAdd(LPVARIANT left, LPVARIANT right, LPVARIANT result)
{
HRESULT rc = E_FAIL;
TRACE("Left Var:\n");
dump_Variant(left);
TRACE("Right Var:\n");
dump_Variant(right);
/* Handle strings as concat */
if ((V_VT(left)&VT_TYPEMASK) == VT_BSTR &&
(V_VT(right)&VT_TYPEMASK) == VT_BSTR) {
V_VT(result) = VT_BSTR;
VarBstrCat(V_BSTR(left), V_BSTR(right), &V_BSTR(result));
} else {
/* Integers */
BOOL lOk = TRUE;
BOOL rOk = TRUE;
LONGLONG lVal = -1;
LONGLONG rVal = -1;
LONGLONG res = -1;
int resT = 0; /* Testing has shown I2 + I2 == I2, all else
becomes I4 */
lOk = TRUE;
switch (V_VT(left)&VT_TYPEMASK) {
case VT_I1 : lVal = V_UNION(left,cVal); resT=VT_I4; break;
case VT_I2 : lVal = V_UNION(left,iVal); resT=VT_I2; break;
case VT_I4 : lVal = V_UNION(left,lVal); resT=VT_I4; break;
case VT_INT : lVal = V_UNION(left,lVal); resT=VT_I4; break;
case VT_UI1 : lVal = V_UNION(left,bVal); resT=VT_I4; break;
case VT_UI2 : lVal = V_UNION(left,uiVal); resT=VT_I4; break;
case VT_UI4 : lVal = V_UNION(left,ulVal); resT=VT_I4; break;
case VT_UINT : lVal = V_UNION(left,ulVal); resT=VT_I4; break;
default: lOk = FALSE;
}
rOk = TRUE;
switch (V_VT(right)&VT_TYPEMASK) {
case VT_I1 : rVal = V_UNION(right,cVal); resT=VT_I4; break;
case VT_I2 : rVal = V_UNION(right,iVal); resT=max(VT_I2, resT); break;
case VT_I4 : rVal = V_UNION(right,lVal); resT=VT_I4; break;
case VT_INT : rVal = V_UNION(right,lVal); resT=VT_I4; break;
case VT_UI1 : rVal = V_UNION(right,bVal); resT=VT_I4; break;
case VT_UI2 : rVal = V_UNION(right,uiVal); resT=VT_I4; break;
case VT_UI4 : rVal = V_UNION(right,ulVal); resT=VT_I4; break;
case VT_UINT : rVal = V_UNION(right,ulVal); resT=VT_I4; break;
default: rOk = FALSE;
}
if (lOk && rOk) {
res = (lVal + rVal);
V_VT(result) = resT;
switch (resT) {
case VT_I2 : V_UNION(result,iVal) = res; break;
case VT_I4 : V_UNION(result,lVal) = res; break;
default:
FIXME("Unexpected result variant type %x\n", resT);
V_UNION(result,lVal) = res;
}
rc = S_OK;
} else {
FIXME("VarAdd stub\n");
}
}
TRACE("rc=%d, Result:\n", (int) rc);
dump_Variant(result);
return rc;
}
/**********************************************************************
* VarNot [OLEAUT32.174]
*