diff options
Diffstat (limited to 'src/nl-link-name2ifindex.c')
| -rw-r--r-- | src/nl-link-name2ifindex.c | 52 |
1 files changed, 21 insertions, 31 deletions
diff --git a/src/nl-link-name2ifindex.c b/src/nl-link-name2ifindex.c index 993397d..b04af04 100644 --- a/src/nl-link-name2ifindex.c +++ b/src/nl-link-name2ifindex.c @@ -6,46 +6,36 @@ * License as published by the Free Software Foundation version 2.1 * of the License. * - * Copyright (c) 2003-2006 Thomas Graf <tgraf@suug.ch> + * Copyright (c) 2003-2008 Thomas Graf <tgraf@suug.ch> */ -#include "utils.h" +#include <netlink/cli/utils.h> +#include <netlink/cli/link.h> + +static void print_usage(void) +{ + printf("Usage: nl-link-ifindex2name <ifindex>\n"); + exit(0); +} int main(int argc, char *argv[]) { - struct nl_handle *nlh; + struct nl_sock *sock; struct nl_cache *link_cache; - int err = -1, ifindex; - - if (nltool_init(argc, argv) < 0) - return -1; - - if (argc < 2 || !strcmp(argv[1], "-h")) { - printf("Usage: nl-link-name2ifindex <name>\n"); - return -1; - } - - nlh = nltool_alloc_handle(); - if (!nlh) - return -1; + uint32_t ifindex; - if (nltool_connect(nlh, NETLINK_ROUTE) < 0) - goto errout; + if (argc < 2) + print_usage(); - link_cache = nltool_alloc_link_cache(nlh); - if (!link_cache) - goto errout; + sock = nl_cli_alloc_socket(); + nl_cli_connect(sock, NETLINK_ROUTE); + link_cache = nl_cli_link_alloc_cache(sock); - if ((ifindex = rtnl_link_name2i(link_cache, argv[1])) == RTNL_LINK_NOT_FOUND) - fprintf(stderr, "Interface %s does not exist\n", argv[1]); - else - printf("%d\n", ifindex); + if (!(ifindex = rtnl_link_name2i(link_cache, argv[1]))) + nl_cli_fatal(ENOENT, "Interface \"%s\" does not exist", + argv[1]); - nl_cache_free(link_cache); - err = 0; -errout: - nl_close(nlh); - nl_handle_destroy(nlh); + printf("%u\n", ifindex); - return err; + return 0; } |