add list for zonefile parsing (untested)

1 files changed, 25 insertions, 0 deletions

diff --git a/src/list.h b/src/list.h
new file mode 100644
index 0000000..71594ad
--- /dev/null
+++ b/src/list.h
@@ -0,0 +1,25 @@
+/*
+ * src/list.h
+ * (c) 2021 Jonas Gunz <himself@jonasgunz.de>
+ * License: MIT
+ */
+
+#pragma once
+
+#include <stdio.h>
+#include <stdlib.h>
+
+typedef struct list_element list_element_t;
+
+struct list_element {
+	void* data;
+	list_element_t* next;
+};
+
+int list_add( list_element_t** _root, void* _data );
+
+int list_sort ( list_element_t** _root );
+
+int list_length ( list_element_t* _root );
+
+void* list_pop_front ( list_element_t** _root );