From 042af489253100d1e4c28b4c684d8ed0e0cd2d29 Mon Sep 17 00:00:00 2001 From: Johan Malm Date: Tue, 4 Oct 2022 22:04:09 +0100 Subject: [PATCH] common: add wl_list_append() --- include/common/list.h | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) create mode 100644 include/common/list.h diff --git a/include/common/list.h b/include/common/list.h new file mode 100644 index 00000000..a56d66ae --- /dev/null +++ b/include/common/list.h @@ -0,0 +1,19 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +#include + +/** + * wl_list_append() - add a new element to the end of a list + * @list: list head to add it before + * @elm: new element to be added (link of the containing struct to be precise) + * + * Note: In labwc, most lists are queues where we want to add new elements to + * the end of the list. As wl_list_insert() adds elements at the front of the + * list (like a stack) - without this helper-function - we have to use + * wl_list_insert(list.prev, element) which is verbose and not intuitive to + * anyone new to this API. + */ +static inline void +wl_list_append(struct wl_list *list, struct wl_list *elm) +{ + wl_list_insert(list->prev, elm); +}