| Message ID | 20240923181846.549877-23-samitolvanen@google.com (mailing list archive) |
|---|---|
| State | New |
| Headers | show |
| Series | Implement DWARF modversions | expand |
On Tue, Sep 24, 2024 at 3:19 AM Sami Tolvanen <samitolvanen@google.com> wrote: > > Import list_is_first, list_is_last, list_replace, and list_replace_init. > > Signed-off-by: Sami Tolvanen <samitolvanen@google.com> This one was applied to linux-kbuild. Thanks. > --- > scripts/include/list.h | 50 ++++++++++++++++++++++++++++++++++++++++++ > 1 file changed, 50 insertions(+) > > diff --git a/scripts/include/list.h b/scripts/include/list.h > index fea1e2b79063..8bdcaadca709 100644 > --- a/scripts/include/list.h > +++ b/scripts/include/list.h > @@ -127,6 +127,36 @@ static inline void list_del(struct list_head *entry) > entry->prev = LIST_POISON2; > } > > +/** > + * list_replace - replace old entry by new one > + * @old : the element to be replaced > + * @new : the new element to insert > + * > + * If @old was empty, it will be overwritten. > + */ > +static inline void list_replace(struct list_head *old, > + struct list_head *new) > +{ > + new->next = old->next; > + new->next->prev = new; > + new->prev = old->prev; > + new->prev->next = new; > +} > + > +/** > + * list_replace_init - replace old entry by new one and initialize the old one > + * @old : the element to be replaced > + * @new : the new element to insert > + * > + * If @old was empty, it will be overwritten. > + */ > +static inline void list_replace_init(struct list_head *old, > + struct list_head *new) > +{ > + list_replace(old, new); > + INIT_LIST_HEAD(old); > +} > + > /** > * list_move - delete from one list and add as another's head > * @list: the entry to move > @@ -150,6 +180,26 @@ static inline void list_move_tail(struct list_head *list, > list_add_tail(list, head); > } > > +/** > + * list_is_first -- tests whether @list is the first entry in list @head > + * @list: the entry to test > + * @head: the head of the list > + */ > +static inline int list_is_first(const struct list_head *list, const struct list_head *head) > +{ > + return list->prev == head; > +} > + > +/** > + * list_is_last - tests whether @list is the last entry in list @head > + * @list: the entry to test > + * @head: the head of the list > + */ > +static inline int list_is_last(const struct list_head *list, const struct list_head *head) > +{ > + return list->next == head; > +} > + > /** > * list_is_head - tests whether @list is the list @head > * @list: the entry to test > -- > 2.46.0.792.g87dc391469-goog >
diff --git a/scripts/include/list.h b/scripts/include/list.h index fea1e2b79063..8bdcaadca709 100644 --- a/scripts/include/list.h +++ b/scripts/include/list.h @@ -127,6 +127,36 @@ static inline void list_del(struct list_head *entry) entry->prev = LIST_POISON2; } +/** + * list_replace - replace old entry by new one + * @old : the element to be replaced + * @new : the new element to insert + * + * If @old was empty, it will be overwritten. + */ +static inline void list_replace(struct list_head *old, + struct list_head *new) +{ + new->next = old->next; + new->next->prev = new; + new->prev = old->prev; + new->prev->next = new; +} + +/** + * list_replace_init - replace old entry by new one and initialize the old one + * @old : the element to be replaced + * @new : the new element to insert + * + * If @old was empty, it will be overwritten. + */ +static inline void list_replace_init(struct list_head *old, + struct list_head *new) +{ + list_replace(old, new); + INIT_LIST_HEAD(old); +} + /** * list_move - delete from one list and add as another's head * @list: the entry to move @@ -150,6 +180,26 @@ static inline void list_move_tail(struct list_head *list, list_add_tail(list, head); } +/** + * list_is_first -- tests whether @list is the first entry in list @head + * @list: the entry to test + * @head: the head of the list + */ +static inline int list_is_first(const struct list_head *list, const struct list_head *head) +{ + return list->prev == head; +} + +/** + * list_is_last - tests whether @list is the last entry in list @head + * @list: the entry to test + * @head: the head of the list + */ +static inline int list_is_last(const struct list_head *list, const struct list_head *head) +{ + return list->next == head; +} + /** * list_is_head - tests whether @list is the list @head * @list: the entry to test
Import list_is_first, list_is_last, list_replace, and list_replace_init. Signed-off-by: Sami Tolvanen <samitolvanen@google.com> --- scripts/include/list.h | 50 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 50 insertions(+)