diff options
Diffstat (limited to 'include/kernel/data')
-rw-r--r-- | include/kernel/data/list.h | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/include/kernel/data/list.h b/include/kernel/data/list.h new file mode 100644 index 0000000..b61cfaa --- /dev/null +++ b/include/kernel/data/list.h @@ -0,0 +1,32 @@ +#ifndef KERNEL_LIST_H +#define KERNEL_LIST_H + +#include <stddef.h> + +struct list_head { + struct list_head *next; + struct list_head *prev; +}; + +static inline void list_add(struct list_head *new, struct list_head *head) { + struct list_head *temp = head; + while (temp->next != NULL) + temp = temp->next; + + temp->next = new; + new->prev = temp; + new->next = NULL; +} + +static inline void list_del(struct list_head *item) { + struct list_head *next = item->next; + struct list_head *prev = item->prev; + if (next != NULL) + next->prev = prev; + if (prev != NULL) + prev->next = next; + item->next = NULL; + item->prev = NULL; +} + +#endif |