kernelbase: Write NUL bytes to CPINFO.LeadByte for the CP_UTF7 and CP_UTF8 code pages.

dlls/kernel32/tests/locale.c

@@ -3976,10 +3976,8 @@ static void test_GetCPInfo(void)
         ok(ret, "GetCPInfo(CP_UTF7) error %u\n", GetLastError());
         ok(cpinfo.DefaultChar[0] == 0x3f, "expected 0x3f, got 0x%x\n", cpinfo.DefaultChar[0]);
         ok(cpinfo.DefaultChar[1] == 0, "expected 0, got 0x%x\n", cpinfo.DefaultChar[1]);
-        ok(cpinfo.LeadByte[0] == 0, "expected 0, got 0x%x\n", cpinfo.LeadByte[0]);
-        ok(cpinfo.LeadByte[1] == 0, "expected 0, got 0x%x\n", cpinfo.LeadByte[1]);
-        for (i = 2; i < sizeof(cpinfo.LeadByte); i++)
-            todo_wine ok(!cpinfo.LeadByte[i], "expected NUL byte in index %u\n", i);
+        for (i = 0; i < sizeof(cpinfo.LeadByte); i++)
+            ok(!cpinfo.LeadByte[i], "expected NUL byte in index %u\n", i);
         ok(cpinfo.MaxCharSize == 5, "expected 5, got 0x%x\n", cpinfo.MaxCharSize);
     }
 
@@ -3997,10 +3995,8 @@ static void test_GetCPInfo(void)
         ok(ret, "GetCPInfo(CP_UTF8) error %u\n", GetLastError());
         ok(cpinfo.DefaultChar[0] == 0x3f, "expected 0x3f, got 0x%x\n", cpinfo.DefaultChar[0]);
         ok(cpinfo.DefaultChar[1] == 0, "expected 0, got 0x%x\n", cpinfo.DefaultChar[1]);
-        ok(cpinfo.LeadByte[0] == 0, "expected 0, got 0x%x\n", cpinfo.LeadByte[0]);
-        ok(cpinfo.LeadByte[1] == 0, "expected 0, got 0x%x\n", cpinfo.LeadByte[1]);
-        for (i = 2; i < sizeof(cpinfo.LeadByte); i++)
-            todo_wine ok(!cpinfo.LeadByte[i], "expected NUL byte in index %u\n", i);
+        for (i = 0; i < sizeof(cpinfo.LeadByte); i++)
+            ok(!cpinfo.LeadByte[i], "expected NUL byte in index %u\n", i);
         ok(cpinfo.MaxCharSize == 4 || broken(cpinfo.MaxCharSize == 3) /* win9x */,
            "expected 4, got %u\n", cpinfo.MaxCharSize);
     }

dlls/kernelbase/locale.c

@@ -3905,7 +3905,7 @@ BOOL WINAPI DECLSPEC_HOTPATCH GetCPInfo( UINT codepage, CPINFO *cpinfo )
     case CP_UTF8:
         cpinfo->DefaultChar[0] = 0x3f;
         cpinfo->DefaultChar[1] = 0;
-        cpinfo->LeadByte[0] = cpinfo->LeadByte[1] = 0;
+        memset( cpinfo->LeadByte, 0, sizeof(cpinfo->LeadByte) );
         cpinfo->MaxCharSize = (codepage == CP_UTF7) ? 5 : 4;
         break;
     default: