include/eruntime/list.h

   1 #ifndef ERUNTIME_LIST_H
   2 # define ERUNTIME_LIST_H
   3
   4 # include <inttypes.h>
   5
   6 # define LIST_FOREACH(list, cur) \
   7         for ((cur) = (list)->head; (cur); (cur) = (cur)->next)
   8
   9 typedef struct _list_node_struct list_node_t;
  10
  11 typedef struct _list_struct
  12 {
  13         /* list head pointer. */
  14         list_node_t *head;
  15
  16         /* list tail pointer. */
  17         list_node_t *tail;
  18
  19         /* list length. */
  20         uint32_t length;
  21
  22 } list_t;
  23
  24 struct _list_node_struct
  25 {
  26         /* pointer to previous node in the chain. */
  27         list_node_t *prev;
  28
  29         /* pointer to next node in the chain. */
  30         list_node_t *next;
  31
  32         /* pointer to node data. */
  33         void *data;
  34 };
  35
  36 typedef void (*list_apply_func_t) (void *, void *);
  37
  38 int8_t  list_init (list_t *list);
  39 list_t  *list_create (void);
  40 int8_t  list_append (list_t *list, void *data);
  41 int8_t  list_prepend (list_t *list, void *data);
  42 int32_t list_apply (list_t *list, list_apply_func_t func, void *arg);
  43 void    list_clear (list_t *list);
  44 void    list_destroy (list_t *list);
  45
  46 #endif /* ! ERUNTIME_LIST_H */
  47
  48 /*
  49  * vim: ts=8 sw=8 noet fdm=marker tw=80
  50  */