/* Test if a socket can be bound twice. */

#include "udp.h"

int main(void)
{
	int fd = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
	if ( fd < 0 )
		err(1, "socket");
	struct sockaddr_in sin;
	memset(&sin, 0, sizeof(sin));
	sin.sin_family = AF_INET;
	sin.sin_addr.s_addr = htobe32(INADDR_ANY);
	sin.sin_port = htobe16(0);
	if ( bind(fd, (const struct sockaddr*) &sin, sizeof(sin)) < 0 )
		err(1, "first bind");
	if ( bind(fd, (const struct sockaddr*) &sin, sizeof(sin)) < 0 )
		err(1, "second bind");
	return 0;
}