Re: [Qemu-devel] [PATCH 12/14] qlit: improve QLit list vs qlist comparison

["Marc-André Lureau" <marcandre.lureau@redhat.com>]

----- Original Message -----
> Check that the QLit list has the same size as the qlist, this should
> ensure that we have an exact match when iterating over qlist for
> comparing the elements.
> 
> Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
> ---
>  qobject/qlit.c     | 39 ++++++++++++++++++++++++++-------------
>  tests/check-qlit.c |  3 +++
>  2 files changed, 29 insertions(+), 13 deletions(-)
> 
> diff --git a/qobject/qlit.c b/qobject/qlit.c
> index 45ae0635c0..0a60802d74 100644
> --- a/qobject/qlit.c
> +++ b/qobject/qlit.c
> @@ -67,6 +67,28 @@ end:
>      return success;
>  }
>  
> +static bool qlit_equal_qlist(const QLitObject *lhs, const QList *qlist)
> +{
> +    QListCompareHelper helper;
> +    int i;
> +
> +    for (i = 0; lhs->value.qlist[i].type != QTYPE_NONE; i++) {
> +        continue;
> +    }
> +
> +    if (qlist_size(qlist) != i) {
> +        return false;
> +    }
> +
> +    helper.index = 0;
> +    helper.objs = lhs->value.qlist;
> +    helper.result = true;
> +
> +    qlist_iter(qlist, compare_helper, &helper);
> +
> +    return helper.result;
> +}
> +
>  bool qlit_equal_qobject(const QLitObject *lhs, const QObject *rhs)
>  {
>      int64_t val;
> @@ -82,21 +104,12 @@ bool qlit_equal_qobject(const QLitObject *lhs, const
> QObject *rhs)
>          val = qnum_get_int(qobject_to_qnum(rhs));
>          return lhs->value.qnum == val;
>      case QTYPE_QSTRING:
> -        return (strcmp(lhs->value.qstr,
> -                       qstring_get_str(qobject_to_qstring(rhs))) == 0);
> +        return g_str_equal(lhs->value.qstr,
> +                           qstring_get_str(qobject_to_qstring(rhs)));

drop this hunk, it slipped in by mistake.

>      case QTYPE_QDICT:
>          return qlit_equal_qdict(lhs, qobject_to_qdict(rhs));
> -    case QTYPE_QLIST: {
> -        QListCompareHelper helper;
> -
> -        helper.index = 0;
> -        helper.objs = lhs->value.qlist;
> -        helper.result = true;
> -
> -        qlist_iter(qobject_to_qlist(rhs), compare_helper, &helper);
> -
> -        return helper.result;
> -    }
> +    case QTYPE_QLIST:
> +        return qlit_equal_qlist(lhs, qobject_to_qlist(rhs));
>      case QTYPE_QNULL:
>          return true;
>      default:
> diff --git a/tests/check-qlit.c b/tests/check-qlit.c
> index 5d9558dfd9..ae74bfcb83 100644
> --- a/tests/check-qlit.c
> +++ b/tests/check-qlit.c
> @@ -58,6 +58,9 @@ static void qlit_equal_qobject_test(void)
>  
>      g_assert(!qlit_equal_qobject(&qlit_foo, qobj));
>  
> +    qdict_put(qobject_to_qdict(qobj), "bee", qlist_new());
> +    g_assert(!qlit_equal_qobject(&qlit, qobj));
> +
>      qobject_decref(qobj);
>  }
>  
> --
> 2.14.1.146.gd35faa819
> 
>