diff options
Diffstat (limited to 'qobject/qlist.c')
-rw-r--r-- | qobject/qlist.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/qobject/qlist.c b/qobject/qlist.c index 86b60cb88c..3ef57d31d1 100644 --- a/qobject/qlist.c +++ b/qobject/qlist.c @@ -140,6 +140,38 @@ QList *qobject_to_qlist(const QObject *obj) } /** + * qlist_is_equal(): Test whether the two QLists are equal + * + * In order to be considered equal, the respective two objects at each + * index of the two lists have to compare equal (regarding + * qobject_is_equal()), and both lists have to have the same number of + * elements. + * That means both lists have to contain equal objects in equal order. + */ +bool qlist_is_equal(const QObject *x, const QObject *y) +{ + const QList *list_x = qobject_to_qlist(x); + const QList *list_y = qobject_to_qlist(y); + const QListEntry *entry_x, *entry_y; + + entry_x = qlist_first(list_x); + entry_y = qlist_first(list_y); + + while (entry_x && entry_y) { + if (!qobject_is_equal(qlist_entry_obj(entry_x), + qlist_entry_obj(entry_y))) + { + return false; + } + + entry_x = qlist_next(entry_x); + entry_y = qlist_next(entry_y); + } + + return !entry_x && !entry_y; +} + +/** * qlist_destroy_obj(): Free all the memory allocated by a QList */ void qlist_destroy_obj(QObject *obj) |