diff options
Diffstat (limited to 'inet/ether_ntoh.c')
-rw-r--r-- | inet/ether_ntoh.c | 84 |
1 files changed, 0 insertions, 84 deletions
diff --git a/inet/ether_ntoh.c b/inet/ether_ntoh.c deleted file mode 100644 index b2f7422ace..0000000000 --- a/inet/ether_ntoh.c +++ /dev/null @@ -1,84 +0,0 @@ -/* Copyright (C) 1996-2017 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996. - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - The GNU C Library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, see - <http://www.gnu.org/licenses/>. */ - -#include <errno.h> -#include <netinet/ether.h> -#include <netinet/if_ether.h> -#include <string.h> - -#include <nss/nsswitch.h> - - -/* Type of the lookup function we need here. */ -typedef int (*lookup_function) (const struct ether_addr *, struct etherent *, - char *, size_t, int *); - -/* The lookup function for the first entry of this service. */ -extern int __nss_ethers_lookup (service_user **nip, const char *name, - void **fctp) internal_function; - - -int -ether_ntohost (char *hostname, const struct ether_addr *addr) -{ - static service_user *startp; - static lookup_function start_fct; - service_user *nip; - union - { - lookup_function f; - void *ptr; - } fct; - int no_more; - enum nss_status status = NSS_STATUS_UNAVAIL; - struct etherent etherent; - - if (startp == NULL) - { - no_more = __nss_ethers_lookup (&nip, "getntohost_r", &fct.ptr); - if (no_more) - startp = (service_user *) -1; - else - { - startp = nip; - start_fct = fct.f; - } - } - else - { - fct.f = start_fct; - no_more = (nip = startp) == (service_user *) -1; - } - - while (no_more == 0) - { - char buffer[1024]; - - status = (*fct.f) (addr, ðerent, buffer, sizeof buffer, &errno); - - no_more = __nss_next2 (&nip, "getntohost_r", NULL, &fct.ptr, status, 0); - } - - if (status == NSS_STATUS_SUCCESS) - /* XXX This is a potential cause of trouble because the size of - the HOSTNAME buffer is not known but the interface does not - provide this information. */ - strcpy (hostname, etherent.e_name); - - return status == NSS_STATUS_SUCCESS ? 0 : -1; -} |