From f8217d240d598f39f70047f7a623dd46312542c6 Mon Sep 17 00:00:00 2001
From: 3gg <3gg@shellblade.net>
Date: Sat, 4 Dec 2021 16:01:12 -0800
Subject: Initial commit.
---
list/include/list.h | 21 +++++++++++++++++++++
1 file changed, 21 insertions(+)
create mode 100644 list/include/list.h
(limited to 'list/include')
diff --git a/list/include/list.h b/list/include/list.h
new file mode 100644
index 0000000..b00b48b
--- /dev/null
+++ b/list/include/list.h
@@ -0,0 +1,21 @@
+/// A doubly linked list.
+///
+/// This list does not hold user data. Instead, the list can be used as an
+/// intrusive list or as part as a more complex data structure.
+#pragma once
+
+#include <stddef.h>
+
+typedef struct list list;
+
+typedef struct list {
+ list* prev;
+ list* next;
+} list;
+
+/// Create a new list from an array of `size` items.
+void list_make(list* list, size_t size);
+
+/// Iterates over all the items in the list.
+#define list_foreach(LIST, iter) \
+ for (struct list* iter = LIST; iter; iter = iter->next)
--
cgit v1.2.3