siocsifname.c

来自「一个基于linux的TCP/IP协议栈的实现」· C语言 代码 · 共 28 行

/* SIOCSIFNAME.c
 * [e-mail]
 * 2006-10-27
 */

#include "log.h"
#include "SIOCSIFNAME.h"

#include <sys/ioctl.h>
#include <sys/socket.h>
#include <linux/if.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>

void test_sifname( int sock_fd )
{
	struct ifreq ifr;
	PR_NOTICE( "test SIOCSIFNAME...\n" );
	strcpy( ifr.ifr_name, "mylo" );
	strcpy( ifr.ifr_newname, "mylo\%d" );
	if( ioctl( sock_fd, SIOCSIFNAME, &ifr ) < 0 )
		PR_ERR( "SIOCSIFNAME: %s\n", strerror(errno) );
	else
		PR_NOTICE( "SIOCIFNAME successed!, new name is: %s\n", ifr.ifr_name );
}