sdk_queue.h

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#ifndef SDK_QUEUE_H_
#define SDK_QUEUE_H_
 
#include <stdbool.h>
#include <stddef.h>
 
struct queue_elem;
 
typedef struct {
        size_t size;
        struct queue_elem *head;
        struct queue_elem *tail;
} queue_t;
 
typedef void (* queue_foreach_func_t) (void *data, void *user_data);
 
typedef bool (* queue_match_func_t) (const void *data, const void *match_data);
 
typedef void (* queue_destroy_func_t) (void *data);
 
void queue_init(queue_t *q);
 
void queue_push_front(queue_t *q, void *data);
 
void queue_push_back(queue_t *q, void *data);
 
void *queue_pop_front(queue_t *q);
 
void *queue_peek_front(const queue_t *q);
 
void *queue_peek_back(const queue_t *q);
 
size_t queue_length(const queue_t *q);
 
void queue_foreach(const queue_t *q, queue_foreach_func_t func, void *user_data);
 
void *queue_find(const queue_t *q, queue_match_func_t func, const void *match_data);
 
void *queue_remove(queue_t *q, queue_match_func_t func, const void *match_data);
 
void queue_remove_all(queue_t *q, queue_destroy_func_t func);
 
void queue_filter(queue_t *q, queue_match_func_t m_func, const void *match_data,
                                                                        queue_destroy_func_t d_func);
 
#endif /* SDK_QUEUE_H_ */