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/** Declare and initialize statically allocated list.
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/** Declare and initialize statically allocated list.
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 *
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 *
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 * @param name Name of the new statically allocated list.
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 * @param name Name of the new statically allocated list.
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 */
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 */
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#define LIST_INITIALIZE(name) \
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#define LIST_INITIALIZE(name)       link_t name = { .prev = &name, .next = &name }
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    link_t name = { .prev = &name, .next = &name }
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/** Initialize doubly-linked circular list link
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/** Initialize doubly-linked circular list link
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 *
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 *
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 * Initialize doubly-linked list link.
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 * Initialize doubly-linked list link.
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 *
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 *
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/** Remove item from doubly-linked circular list
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/** Remove item from doubly-linked circular list
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 *
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 *
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 * Remove item from doubly-linked circular list.
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 * Remove item from doubly-linked circular list.
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 *
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 *
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 * @param link Pointer to link_t structure to be removed from the list it is contained in.
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 * @param link  Pointer to link_t structure to be removed from the list it is
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 *      contained in.
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 */
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 */
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static inline void list_remove(link_t *link)
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static inline void list_remove(link_t *link)
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{
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{
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    link->next->prev = link->prev;
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    link->next->prev = link->prev;
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    link->prev->next = link->next;
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    link->prev->next = link->next;
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 * Split or concatenate headless doubly-linked circular list.
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 * Split or concatenate headless doubly-linked circular list.
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 *
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 *
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 * Note that the algorithm works both directions:
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 * Note that the algorithm works both directions:
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 * concatenates splitted lists and splits concatenated lists.
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 * concatenates splitted lists and splits concatenated lists.
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 *
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 *
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 * @param part1 Pointer to link_t structure leading the first (half of the headless) list.
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 * @param part1 Pointer to link_t structure leading the first (half of the
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 *      headless) list.
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 * @param part2 Pointer to link_t structure leading the second (half of the headless) list.
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 * @param part2 Pointer to link_t structure leading the second (half of the
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 *      headless) list.
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 */
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 */
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static inline void headless_list_split_or_concat(link_t *part1, link_t *part2)
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static inline void headless_list_split_or_concat(link_t *part1, link_t *part2)
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{
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{
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    link_t *hlp;
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    link_t *hlp;
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/** Split headless doubly-linked circular list
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/** Split headless doubly-linked circular list
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 *
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 *
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 * Split headless doubly-linked circular list.
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 * Split headless doubly-linked circular list.
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 *
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 *
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 * @param part1 Pointer to link_t structure leading the first half of the headless list.
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 * @param part1 Pointer to link_t structure leading the first half of the
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 *      headless list.
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 * @param part2 Pointer to link_t structure leading the second half of the headless list.
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 * @param part2 Pointer to link_t structure leading the second half of the
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 *      headless list.
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 */
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 */
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static inline void headless_list_split(link_t *part1, link_t *part2)
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static inline void headless_list_split(link_t *part1, link_t *part2)
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{
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{
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    headless_list_split_or_concat(part1, part2);
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    headless_list_split_or_concat(part1, part2);
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}
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}
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/** Concatenate two headless doubly-linked circular lists
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/** Concatenate two headless doubly-linked circular lists
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 *
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 *
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 * Concatenate two headless doubly-linked circular lists.
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 * Concatenate two headless doubly-linked circular lists.
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 *
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 *
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 * @param part1 Pointer to link_t structure leading the first headless list.
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 * @param part1 Pointer to link_t structure leading the first headless list.
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 * @param part2 Pointer to link_t structure leading the second headless list.
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 * @param part2 Pointer to link_t structure leading the second headless list.
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 */
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 */
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static inline void headless_list_concat(link_t *part1, link_t *part2)
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static inline void headless_list_concat(link_t *part1, link_t *part2)
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{
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{
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    headless_list_split_or_concat(part1, part2);
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    headless_list_split_or_concat(part1, part2);
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}
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}
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#define list_get_instance(link,type,member) \
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#define list_get_instance(link,type,member) (type *)(((uint8_t*)(link))-((uint8_t*)&(((type *)NULL)->member)))
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    ((type *)(((uint8_t *)(link)) - ((uint8_t *)&(((type *)NULL)->member))))
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extern bool list_member(const link_t *link, const link_t *head);
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extern bool list_member(const link_t *link, const link_t *head);
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extern void list_concat(link_t *head1, link_t *head2);
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extern void list_concat(link_t *head1, link_t *head2);
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#endif
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#endif