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-rw-r--r--dbus/dbus-list.c33
1 files changed, 28 insertions, 5 deletions
diff --git a/dbus/dbus-list.c b/dbus/dbus-list.c
index 235ed275..5d2bcd42 100644
--- a/dbus/dbus-list.c
+++ b/dbus/dbus-list.c
@@ -454,20 +454,43 @@ _dbus_list_remove_last (DBusList **list,
{
DBusList *link;
+ link = _dbus_list_find_last (list, data);
+ if (link)
+ {
+ _dbus_list_remove_link (list, link);
+ return TRUE;
+ }
+ else
+ return FALSE;
+}
+
+/**
+ * Finds a value in the list. Returns the last link
+ * with value equal to the given data pointer.
+ * This is a linear-time operation.
+ * Returns #NULL if no value found that matches.
+ *
+ * @param list address of the list head.
+ * @param data the value to find.
+ * @returns the link if found
+ */
+DBusList*
+_dbus_list_find_last (DBusList **list,
+ void *data)
+{
+ DBusList *link;
+
link = _dbus_list_get_last_link (list);
while (link != NULL)
{
if (link->data == data)
- {
- _dbus_list_remove_link (list, link);
- return TRUE;
- }
+ return link;
link = _dbus_list_get_prev_link (list, link);
}
- return FALSE;
+ return NULL;
}
/**