diff options
| author | Atish Patra <atish.patra@wdc.com> | 2021-07-10 09:18:07 -0700 |
|---|---|---|
| committer | Anup Patel <anup@brainfault.org> | 2021-07-11 10:15:29 +0530 |
| commit | 41ae63cd0a75474ce380a944d5b4f1fb9b6fd2e0 (patch) | |
| tree | b8281693c04a7672b25b17db230ca7b784eaf3ef /include | |
| parent | 9c9b4ad24bf5891272679a6e994c64463db8ca03 (diff) | |
include: Add a list empty check function
Implement a list helper function that checks for empty lists.
Reviewed-by: Anup Patel <anup.patel@wdc.com>
Reviewed-by: Xiang W <wxjstz@126.com>
Signed-off-by: Atish Patra <atish.patra@wdc.com>
Diffstat (limited to 'include')
| -rw-r--r-- | include/sbi/sbi_list.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/include/sbi/sbi_list.h b/include/sbi/sbi_list.h index 1174ad2..b1178df 100644 --- a/include/sbi/sbi_list.h +++ b/include/sbi/sbi_list.h @@ -44,6 +44,17 @@ static inline void __sbi_list_add(struct sbi_dlist *new, } /** + * Checks if the list is empty or not. + * @param head List head + * + * Retruns TRUE if list is empty, FALSE otherwise. + */ +static inline bool sbi_list_empty(struct sbi_dlist *head) +{ + return head->next == head; +} + +/** * Adds the new node after the given head. * @param new New node that needs to be added to list. * @param head List head after which the "new" node should be added. |