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/* if_nameindex.c: test the if_nameindex() function
*
* Copyright (C) 2006 Erik Andersen <andersen@uclibc.org>
*
* Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
*/
#include <stdio.h>
#include <stdlib.h>
#include <net/if.h>
static char ifname[IF_NAMESIZE];
static void test_if_nameindex(void)
{
size_t i;
struct if_nameindex *ret;
ret = if_nameindex();
if (ret == NULL) {
perror("if_nameindex()");
exit(1);
}
printf("--- if_nameindex()\n");
for (i=0; ret[i].if_name; ++i)
printf("%i: %s\n", ret[i].if_index, ret[i].if_name);
if_freenameindex(ret);
}
static void test_if_indextoname(void)
{
if (if_indextoname(1, ifname) == NULL) {
perror("if_nameindex()");
exit(1);
}
printf("if_indextoname(1) = %s\n", ifname);
}
static void test_if_nametoindex(void)
{
int ifindex = if_nametoindex(ifname);
if (ifindex == 0) {
perror("if_nametoindex()");
exit(1);
}
printf("if_nametoindex(%s) = %i\n", ifname, ifindex);
}
int main(void)
{
test_if_nameindex();
test_if_indextoname();
test_if_nametoindex();
return 0;
}
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