Jason Millard : oleaut32: Fix VarAbs function for BSTR with positive values.

[Alexandre Julliard]

Module: wine
Branch: stable
Commit: 5dec0c134d12913b035837848e92c9217176d87d
URL:    https://gitlab.winehq.org/wine/wine/-/commit/5dec0c134d12913b035837848e92c92...

Author: Jason Millard 
Date:   Tue Feb 14 13:22:56 2023 -0500

oleaut32: Fix VarAbs function for BSTR with positive values.

(cherry picked from commit 72b86f967e0282be60b3507194ba01a7e1cf66b5)

---

dlls/oleaut32/tests/vartest.c | 8 ++++++++
 dlls/oleaut32/variant.c       | 4 +---
 dlls/vbscript/tests/api.vbs   | 1 +
 3 files changed, 10 insertions(+), 3 deletions(-)

diff --git a/dlls/oleaut32/tests/vartest.c b/dlls/oleaut32/tests/vartest.c
index 4e9c892e37e..d31df67d084 100644
--- a/dlls/oleaut32/tests/vartest.c
+++ b/dlls/oleaut32/tests/vartest.c
@@ -3145,6 +3145,14 @@ static void test_VarAbs(void)
     hres = pVarAbs(&v,&vDst);
     ok(hres == S_OK && V_VT(&vDst) == VT_R8 && V_R8(&vDst) == 1.1,
        "VarAbs: expected 0x0,%d,%g, got 0x%lX,%d,%g\n", VT_R8, 1.1, hres, V_VT(&vDst), V_R8(&vDst));
+
+    V_VT(&v) = VT_BSTR;
+    V_BSTR(&v) = SysAllocString(L"30000");
+    memset(&vDst,0,sizeof(vDst));
+    hres = pVarAbs(&v,&vDst);
+    ok(hres == S_OK && V_VT(&vDst) == VT_R8 && V_R8(&vDst) == 30000.0,
+       "VarAbs: expected 0x0,%d,%g, got 0x%lX,%d,%g\n", VT_R8, 30000.0, hres, V_VT(&vDst), V_R8(&vDst));
+    SysFreeString(V_BSTR(&v));
 }

static HRESULT (WINAPI *pVarNot)(LPVARIANT,LPVARIANT);
diff --git a/dlls/oleaut32/variant.c b/dlls/oleaut32/variant.c
index bbfc1b2d952..8c2aa3b729d 100644
--- a/dlls/oleaut32/variant.c
+++ b/dlls/oleaut32/variant.c
@@ -4329,7 +4329,6 @@ VarOr_Exit:
  */
 HRESULT WINAPI VarAbs(LPVARIANT pVarIn, LPVARIANT pVarOut)
 {
-    VARIANT varIn;
     HRESULT hRet = S_OK;
     VARIANT temp;

@@ -4373,11 +4372,10 @@ HRESULT WINAPI VarAbs(LPVARIANT pVarIn, LPVARIANT pVarOut)
         if (V_R4(pVarOut) < 0.0) V_R4(pVarOut) = -V_R4(pVarOut);
         break;
     case VT_BSTR:
-        hRet = VarR8FromStr(V_BSTR(pVarIn), LOCALE_USER_DEFAULT, 0, &V_R8(&varIn));
+        hRet = VarR8FromStr(V_BSTR(pVarIn), LOCALE_USER_DEFAULT, 0, &V_R8(pVarOut));
         if (FAILED(hRet))
             break;
         V_VT(pVarOut) = VT_R8;
-        pVarIn = &varIn;
         /* Fall through ... */
     case VT_DATE:
     case VT_R8:
diff --git a/dlls/vbscript/tests/api.vbs b/dlls/vbscript/tests/api.vbs
index 903593ebd60..5c7b1ecabee 100644
--- a/dlls/vbscript/tests/api.vbs
+++ b/dlls/vbscript/tests/api.vbs
@@ -1646,6 +1646,7 @@ Call ok(Abs(True) = 1, "Abs(True) = " & Abs(True))
 Call ok(getVT(Abs(True)) = "VT_I2", "getVT(Abs(True)) = " & getVT(Abs(True)))
 Call ok(Abs(CByte(1)) = 1, "Abs(CByte(1)) = " & Abs(CByte(1)))
 Call ok(getVT(Abs(CByte(1))) = "VT_UI1", "getVT(Abs(CByte(1))) = " & getVT(Abs(CByte(1))))
+Call ok(Abs("30000") = 30000, "Abs(""30000"") = " & Abs("30000"))

Sub testAbsError(strings, error_num1, error_num2)
     on error resume next