pcap_queue.h

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#ifndef PCAP_QUEUE_H
#define PCAP_QUEUE_H
 
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <pcap.h>
#include <string.h>
 
#include <list.h>
 
#include "../../../utils/attributes.h"
 
struct pcap_queue {
  struct pcap_pkthdr header; 
  uint8_t *packet;           
  struct dl_list list;       
};
 
struct pcap_queue *push_pcap_queue(struct pcap_queue *queue,
                                   struct pcap_pkthdr *header, uint8_t *packet);
 
struct pcap_queue *pop_pcap_queue(struct pcap_queue *queue);
 
void free_pcap_queue_el(struct pcap_queue *el);
 
ssize_t get_pcap_queue_length(struct pcap_queue *queue);
 
void free_pcap_queue(struct pcap_queue *queue);
 
int is_pcap_queue_empty(struct pcap_queue *queue);
 
#if __GNUC__ >= 11 // this syntax will throw an error in GCC 10 or Clang, since
                   // __attribute__((malloc)) accepts no args
#define __must_free_pcap_queue                                                 \
  __attribute__((malloc(free_pcap_queue, 1))) __must_check
#else
#define __must_free_pcap_queue __must_check
#endif /* __GNUC__ >= 11 */
 
__must_free_pcap_queue struct pcap_queue *init_pcap_queue(void);
 
#endif