1 files changed, 31 insertions, 0 deletions
diff --git a/src/utils.h b/src/utils.h
new file mode 100644
index 0000000..d752a66
--- /dev/null
+++ b/src/utils.h
@@ -0,0 +1,31 @@
+/* See LICENSE file for copyright and license details. */
+
+#ifndef _LIST_H_
+#define _LIST_H_
+
+#include "version.h"
+
+typedef struct list_item_t {
+  void *data;
+  struct list_item_t *next;
+} list_item_t;
+
+typedef struct list_t {
+  struct list_item_t *first;
+  struct list_item_t *last;
+  int    size;
+} list_t;
+
+typedef struct iterator_t {
+  struct list_item_t *current;
+} iterator_t;
+
+list_t       clist_create           (void);
+void         clist_add              (list_t *, void *);
+void         clist_add_all          (list_t *, list_t *);
+void         clist_remove           (list_t *, list_item_t *);
+iterator_t   clist_iterator         (list_t *);
+int          clist_iterator_has_next(iterator_t);
+void        *clist_iterator_next    (iterator_t *);
+
+#endif