#include "PICA_netconf.h"

#define PREFIX4   htonl(0xf0000000U)
#define PREFIX8   htonl(0xff000000U)
#define PREFIX12 htonl(0xfff00000U)
#define PREFIX16 htonl(0xffff0000U)
#define PREFIX24 htonl(0xffffff00U)

#define MAKEIP(a, b, c, d) (htonl( (a&0xFF) << 24 | (b&0xFF) << 16 | (c&0xFF) << 8 | (d&0xFF) ))


int PICA_is_reserved_addr_ipv4(in_addr_t addr)
{
	if ((addr & PREFIX8)  == 0 //0.0.0.0/8
	        ||  (addr & PREFIX8)  == MAKEIP(10, 0, 0, 0) //10.0.0.0/8
	        ||  (addr & PREFIX8)  == MAKEIP(127, 0, 0, 0)//127.0.0.0/8
	        ||  (addr & PREFIX16) == MAKEIP(169, 254, 0, 0) //169.254.0.0/16
	        ||  (addr & PREFIX12) == MAKEIP(172, 16, 0, 0) //172.16.0.0/12
	        ||  (addr & PREFIX16) == MAKEIP(192, 168, 0, 0) //192.168.0.0/16
	        ||  (addr & PREFIX4)  == MAKEIP(224, 0, 0, 0) //224.0.0.0/4
	        ||  (addr & PREFIX4)  == MAKEIP(240, 0, 0, 0) //240.0.0.0/4
	        ||   addr == INADDR_BROADCAST
	   )
		return 1;

	return 0;
}