Function do_cmd

tools/ifconfig/ifbridge.c:88–107

}

static int
do_cmd(int sock, u_long op, void *arg, size_t argsize, int set)
{
	struct ifdrv ifd;

	memset(&ifd, 0, sizeof(ifd));

	strlcpy(ifd.ifd_name, ifr.ifr_name, sizeof(ifd.ifd_name));
	ifd.ifd_cmd = op;
	ifd.ifd_len = argsize;
	ifd.ifd_data = arg;

#ifndef FSTACK
	return (ioctl(sock, set ? SIOCSDRVSPEC : SIOCGDRVSPEC, &ifd));
#else
	size_t offset = (char *)&(ifd.ifd_data) - (char *)&(ifd);
	return (ioctl_va(sock, set ? SIOCSDRVSPEC : SIOCGDRVSPEC, &ifd,
	    3, offset, arg, argsize));
#endif
}

static void
do_bridgeflag(int sock, const char *ifs, int flag, int set)