lib: add list_to_array

Signed-off-by: Quentin Young <qlyoung@cumulusnetworks.com>

1 files changed, 20 insertions, 0 deletions

diff --git a/lib/linklist.h b/lib/linklist.h
index c30d8d314a..c2b289596d 100644
--- a/lib/linklist.h
+++ b/lib/linklist.h
@@ -240,6 +240,26 @@ extern void list_sort(struct list *list,
 		      int (*cmp)(const void **, const void **));
 
 /*
+ * Convert a list to an array of void pointers.
+ *
+ * Starts from the list head and ends either on the last node of the list or
+ * when the provided array cannot store any more elements.
+ *
+ * list
+ *    list to convert
+ *
+ * arr
+ *    Pre-allocated array of void *
+ *
+ * arrlen
+ *    Number of elements in arr
+ *
+ * Returns:
+ *    arr
+ */
+void **list_to_array(struct list *list, void **arr, size_t arrlen);
+
+/*
  * Delete a list and NULL its pointer.
  *
  * If non-null, list->del is called with each data element.