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author | Philipp Maier <pmaier@sysmocom.de> | 2021-06-30 17:06:16 +0200 |
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committer | Philipp Maier <pmaier@sysmocom.de> | 2021-07-07 16:53:47 +0200 |
commit | ff84de7e1810ceed15d3eea249dc4e7f4a3ceeab (patch) | |
tree | 8ecae328d41d1f75bd1cde531b2cffb38c3cb705 /include/osmocom/core | |
parent | 5e040bf1f10ea6fdc58296575890e990cf755a57 (diff) |
linuxlist: add macro to get last element of a list
It is not be obvious on the first look that ->prev actually points to the last
element of a list, lets add a macro for that to make the API easier to use
Change-Id: Icf455bf6ba9d60bd311af17c9e80febaa42cacc9
Related: SYS#4971
Diffstat (limited to 'include/osmocom/core')
-rw-r--r-- | include/osmocom/core/linuxlist.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/include/osmocom/core/linuxlist.h b/include/osmocom/core/linuxlist.h index f28f88b9..725c60ca 100644 --- a/include/osmocom/core/linuxlist.h +++ b/include/osmocom/core/linuxlist.h @@ -238,6 +238,12 @@ static inline void llist_splice_init(struct llist_head *llist, #define llist_last_entry(ptr, type, member) \ llist_entry((ptr)->prev, type, member) +/*! Return the last element of the list. + * \param head the llist head of the list. + * \returns last element of the list, head if the list is empty. + */ +#define llist_last(head) (head)->prev + /*! Get the first element from a list, or NULL. * \param ptr the list head to take the element from. * \param type the type of the struct this is embedded in. |