1 files changed, 24 insertions, 0 deletions
diff --git a/src/lib/ll.h b/src/lib/ll.h
new file mode 100644
index 0000000..4a11620
--- /dev/null
+++ b/src/lib/ll.h
@@ -0,0 +1,24 @@
+#ifndef LIB_LL_H
+#define LIB_LL_H
+
+struct LL {
+	struct LL* prev;
+	struct LL* next;
+	void* data;
+};
+
+struct LL* new(void* val);
+void push(struct LL* l, void* val);
+void remove(struct LL* l, unsigned long idx);
+
+#define showl(L, TYPE) { \
+	struct LL* t = L; \
+	do { \
+		uart_hex(*(TYPE*)t->data); \
+		t = t->next; \
+		if (t != l) \
+			uart_char(' '); \
+	} while (t != l); \
+}
+
+#endif