Implementa list_size, retornando tamanho da lista.

Esta função será útil para obter número de dependentes, por exemplo.

diff --git a/lib/list.c b/lib/list.c
index 87913c4..8cba3f3 100644 (file)
--- a/lib/list.c
+++ b/lib/list.c
@@ -123,3 +123,8 @@ void list_free(struct list *list, free_function_t *ifree)
                        ifree(list->items[i].val);
        free(list);
 }
+
+int list_size(struct list *list)
+{
+       return list->len;
+}

diff --git a/lib/list.h b/lib/list.h
index bf09f6f..8521518 100644 (file)
--- a/lib/list.h
+++ b/lib/list.h
@@ -29,5 +29,6 @@ int list_insert(struct list **list, int pos, void *val);
 int list_insert_ordered(struct list **list, void *val, sort_function_t *fn);
 void * list_get(struct list *list, int pos);
 void list_free(struct list *list, free_function_t *ifree);
+int list_size(struct list *list);
 
 #endif