qlist: add qlist_size()

Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Michael Roth 2012-08-15 13:45:42 -05:00 committed by Anthony Liguori
parent 5a4d701acd
commit a86a4c2f7b
2 changed files with 14 additions and 0 deletions

13
qlist.c
View File

@ -124,6 +124,19 @@ int qlist_empty(const QList *qlist)
return QTAILQ_EMPTY(&qlist->head);
}
static void qlist_size_iter(QObject *obj, void *opaque)
{
size_t *count = opaque;
(*count)++;
}
size_t qlist_size(const QList *qlist)
{
size_t count = 0;
qlist_iter(qlist, qlist_size_iter, &count);
return count;
}
/**
* qobject_to_qlist(): Convert a QObject into a QList
*/

View File

@ -49,6 +49,7 @@ void qlist_iter(const QList *qlist,
QObject *qlist_pop(QList *qlist);
QObject *qlist_peek(QList *qlist);
int qlist_empty(const QList *qlist);
size_t qlist_size(const QList *qlist);
QList *qobject_to_qlist(const QObject *obj);
static inline const QListEntry *qlist_first(const QList *qlist)