[J-u-boot.git] / tools / ncb.c

#include <stdlib.h>
#include <unistd.h>
#include <sys/socket.h>
#include <linux/in.h>

int main (int argc, char *argv[])
{
	int s, len, o, port = 6666;
	char buf[512];
	struct sockaddr_in addr;
	int addr_len = sizeof addr;

	if (argc > 1)
		port = atoi (argv[1]);

	s = socket (PF_INET, SOCK_DGRAM, IPPROTO_UDP);

	o = 1;
	len = 4;
	setsockopt (3, SOL_SOCKET, SO_REUSEADDR, &o, len);

	addr.sin_family = AF_INET;
	addr.sin_port = htons (port);
	addr.sin_addr.s_addr = INADDR_ANY;	/* receive broadcasts */

	bind (s, (struct sockaddr *) &addr, sizeof addr);

	for (;;) {
		len = recvfrom (s, buf, sizeof buf, 0, (struct sockaddr *) &addr, &addr_len);
		if (len < 0)
			break;
		write (1, buf, len);
	}

	return 0;
}
Commit	Line	Data
eedcd078 WD	1	#include <stdlib.h>
	2	#include <unistd.h>
	3	#include <sys/socket.h>
	4	#include <linux/in.h>
	5
	6	int main (int argc, char *argv[])
	7	{
	8	int s, len, o, port = 6666;
	9	char buf[512];
	10	struct sockaddr_in addr;
	11	int addr_len = sizeof addr;
	12
	13	if (argc > 1)
	14	port = atoi (argv[1]);
	15
	16	s = socket (PF_INET, SOCK_DGRAM, IPPROTO_UDP);
	17
	18	o = 1;
	19	len = 4;
	20	setsockopt (3, SOL_SOCKET, SO_REUSEADDR, &o, len);
	21
	22	addr.sin_family = AF_INET;
	23	addr.sin_port = htons (port);
	24	addr.sin_addr.s_addr = INADDR_ANY; /* receive broadcasts */
	25
	26	bind (s, (struct sockaddr *) &addr, sizeof addr);
	27
	28	for (;;) {
	29	len = recvfrom (s, buf, sizeof buf, 0, (struct sockaddr *) &addr, &addr_len);
	30	if (len < 0)
	31	break;
	32	write (1, buf, len);
	33	}
	34
	35	return 0;
	36	}