diff options
Diffstat (limited to 'share/examples/libifconfig/setdescription.c')
| -rw-r--r-- | share/examples/libifconfig/setdescription.c | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/share/examples/libifconfig/setdescription.c b/share/examples/libifconfig/setdescription.c index 371b49729379..1d8d03e82b9a 100644 --- a/share/examples/libifconfig/setdescription.c +++ b/share/examples/libifconfig/setdescription.c @@ -1,5 +1,5 @@ /* - * Copyright (c) 2016, Marie Helene Kvello-Aune + * Copyright (c) 2016-2017, Marie Helene Kvello-Aune * All rights reserved. * * Redistribution and use in source and binary forms, with or without modification, @@ -26,6 +26,9 @@ * $FreeBSD$ */ +#include <arpa/inet.h> +#include <net/if.h> + #include <err.h> #include <errno.h> #include <stdio.h> @@ -38,6 +41,7 @@ int main(int argc, char *argv[]) { char *ifname, *ifdescr, *curdescr; + ifconfig_handle_t *lifh; if (argc != 3) { errx(EINVAL, "Invalid number of arguments." @@ -52,7 +56,12 @@ main(int argc, char *argv[]) printf("Interface name: %s\n", ifname); - ifconfig_handle_t *lifh = ifconfig_open(); + lifh = ifconfig_open(); + if (lifh == NULL) { + errx(ENOMEM, "Failed to open libifconfig handle."); + return (-1); + } + if (ifconfig_get_description(lifh, ifname, &curdescr) == 0) { printf("Old description: %s\n", curdescr); } @@ -71,7 +80,7 @@ main(int argc, char *argv[]) lifh), "IOCTL(%lu) error", ifconfig_err_ioctlreq(lifh)); break; - case OTHER: + default: err(ifconfig_err_errno(lifh), "Other error"); break; } |