KRAD_PACKET_SIZE_MAX
#define MAX_ATTRSETSIZE (KRAD_PACKET_SIZE_MAX - 20)
if (len > KRAD_PACKET_SIZE_MAX)
char buffer[KRAD_PACKET_SIZE_MAX];
char buffer_[KRAD_PACKET_SIZE_MAX];
unsigned char buffer[KRAD_PACKET_SIZE_MAX], encoded[MAX_ATTRSETSIZE];
char tmp[KRAD_PACKET_SIZE_MAX];