sp_list length

1 files changed, 6 insertions, 0 deletions

diff --git a/src/sp_list.c b/src/sp_list.c
index 92e628d..ab752f7 100644
--- a/src/sp_list.c
+++ b/src/sp_list.c
@@ -75,3 +75,9 @@ sp_list_node *sp_list_prepend(sp_list_node *list, void *data) {
   new->data = data;
   return new;
 }
+
+size_t sp_list_len(sp_list_node *p) {
+  size_t num = 0;
+  for (; p; p = p->next) { num++; }
+  return num;
+}