[Git][wine/wine][master] 5 commits: oleaut32: Fix Null handling in VarAnd.

[Alexandre Julliard (＠julliard)]

Alexandre Julliard pushed to branch master at wine / wine


Commits:
46b4efbb by Francis De Brabandere at 2026-05-05T13:16:14-04:00
oleaut32: Fix Null handling in VarAnd.

Handle both operand orderings symmetrically and always write the
result payload. Convert VARAND_TODOCOMM back to VARAND for the
cases the fix makes commutative, and drop the now-unused macro.

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199ef80e by Francis De Brabandere at 2026-05-05T13:16:16-04:00
oleaut32: Fix VT_CY Null handling in VarImp.

VT_CY stores values scaled by 10000 in .int64, so the all-ones-Imp-
Null check must compare to -10000 (not -1) for CCur(-1). Add right-
Null conformance rows for I2/I4/R8/UI1 and a manual CY -1 case.

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863ffbe8 by Francis De Brabandere at 2026-05-05T13:16:17-04:00
oleaut32: Fix VT_DATE Null handling in VarImp.

VarImp's right-Null switch was missing a VT_DATE case, so CDate(-1)
Imp Null fell through to the main computation and returned VT_I4 0
instead of Null. Add the all-ones check using V_DATE.

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089b051a by Francis De Brabandere at 2026-05-05T13:16:18-04:00
vbscript: Match native UI1 Imp Null behavior.

Native VarImp returns VT_NULL for UI1 0xFF Imp Null via the three-
valued all-ones rule, but native VBScript keeps UI1 width and returns
the bitwise ~left. Handle the narrow case directly in interp_imp.

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dffb2711 by Francis De Brabandere at 2026-05-05T13:16:20-04:00
vbscript/tests: Add Null handling smoke tests for logical operators.

Verify that VBScript's And/Or/Xor/Eqv/Imp/Not operators propagate
the oleaut32 VarAnd/VarOr/... results correctly through the
interpreter for a few representative Null combinations.

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4 changed files:

- dlls/oleaut32/tests/vartest.c
- dlls/oleaut32/variant.c
- dlls/vbscript/interp.c
- dlls/vbscript/tests/lang.vbs


View it on GitLab: https://gitlab.winehq.org/wine/wine/-/compare/69a44500d5e4037ad4a4a2e02ad021...

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View it on GitLab: https://gitlab.winehq.org/wine/wine/-/compare/69a44500d5e4037ad4a4a2e02ad021...
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