#include "rr.h"
#include "hashmap.h"
-#define AVAHI_DNS_PACKET_MAX_SIZE 9000
#define AVAHI_DNS_PACKET_HEADER_SIZE 12
#define AVAHI_DNS_PACKET_EXTRA_SIZE 48
+#define AVAHI_DNS_LABELS_MAX 127
+#define AVAHI_DNS_RDATA_MAX 0xFFFF
+#define AVAHI_DNS_PACKET_SIZE_MAX (AVAHI_DNS_PACKET_HEADER_SIZE + 256 + 2 + 2 + 4 + 2 + AVAHI_DNS_RDATA_MAX)
typedef struct AvahiDnsPacket {
size_t size, rindex, max_size;
AvahiHashmap *name_table; /* for name compression */
+ uint8_t *data;
} AvahiDnsPacket;
-#define AVAHI_DNS_PACKET_DATA(p) (((uint8_t*) p) + sizeof(AvahiDnsPacket))
+#define AVAHI_DNS_PACKET_DATA(p) ((p)->data ? (p)->data : ((uint8_t*) p) + sizeof(AvahiDnsPacket))
AvahiDnsPacket* avahi_dns_packet_new(unsigned mtu);
AvahiDnsPacket* avahi_dns_packet_new_query(unsigned mtu);
uint8_t *avahi_dns_packet_extend(AvahiDnsPacket *p, size_t l);
+void avahi_dns_packet_cleanup_name_table(AvahiDnsPacket *p);
+
uint8_t *avahi_dns_packet_append_uint16(AvahiDnsPacket *p, uint16_t v);
uint8_t *avahi_dns_packet_append_uint32(AvahiDnsPacket *p, uint32_t v);
uint8_t *avahi_dns_packet_append_name(AvahiDnsPacket *p, const char *name);