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#include <assert.h>
#include <stdlib.h>
#include "packet.h"
struct packet* packet_new(size_t length) {
struct packet *p;
assert(length);
p = malloc(sizeof(struct packet)+length);
assert(p);
p->ref = 1;
p->length = length;
p->data = (uint8_t*) (p+1);
p->type = PACKET_APPENDED;
return p;
}
struct packet* packet_new_dynamic(uint8_t* data, size_t length) {
struct packet *p;
assert(data && length);
p = malloc(sizeof(struct packet));
assert(p);
p->ref = 1;
p->length = length;
p->data = data;
p->type = PACKET_DYNAMIC;
return p;
}
struct packet* packet_ref(struct packet *p) {
assert(p && p->ref >= 1);
p->ref++;
return p;
}
void packet_unref(struct packet *p) {
assert(p && p->ref >= 1);
p->ref--;
if (p->ref == 0) {
if (p->type == PACKET_DYNAMIC)
free(p->data);
free(p);
}
}
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