vbscript: Added Chr implementation.

dlls/vbscript/global.c

@@ -1070,8 +1070,29 @@ static HRESULT Global_Asc(vbdisp_t *This, VARIANT *arg, unsigned args_cnt, VARIA
 
 static HRESULT Global_Chr(vbdisp_t *This, VARIANT *arg, unsigned args_cnt, VARIANT *res)
 {
-    FIXME("\n");
-    return E_NOTIMPL;
+    int c;
+    HRESULT hres;
+
+    TRACE("%s\n", debugstr_variant(arg));
+
+    hres = to_int(arg, &c);
+    if(FAILED(hres))
+        return hres;
+
+    if(c <= 0 || c >= 0x100) {
+        FIXME("invalid arg\n");
+        return E_FAIL;
+    }
+
+    if(res) {
+        WCHAR ch = c;
+
+        V_VT(res) = VT_BSTR;
+        V_BSTR(res) = SysAllocStringLen(&ch, 1);
+        if(!V_BSTR(res))
+            return E_OUTOFMEMORY;
+    }
+    return S_OK;
 }
 
 static HRESULT Global_AscW(vbdisp_t *This, VARIANT *arg, unsigned args_cnt, VARIANT *res)

dlls/vbscript/tests/api.vbs

@@ -50,6 +50,10 @@ TestCStr 3, "3"
 if isEnglishLang then TestCStr 3.5, "3.5"
 if isEnglishLang then TestCStr true, "True"
 
+Call ok(getVT(Chr(120)) = "VT_BSTR", "getVT(Chr(120)) = " & getVT(Chr(120)))
+Call ok(getVT(Chr(255)) = "VT_BSTR", "getVT(Chr(255)) = " & getVT(Chr(255)))
+Call ok(Chr(120) = "x", "Chr(120) = " & Chr(120))
+
 Call ok(isObject(new EmptyClass), "isObject(new EmptyClass) is not true?")
 Set x = new EmptyClass
 Call ok(isObject(x), "isObject(x) is not true?")