| /* Convert a struct netent object to a string. |
| Copyright (C) 2016-2018 Free Software Foundation, Inc. |
| This file is part of the GNU C Library. |
| |
| 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 <support/format_nss.h> |
| |
| #include <arpa/inet.h> |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <support/support.h> |
| #include <support/xmemstream.h> |
| |
| char * |
| support_format_netent (struct netent *e) |
| { |
| if (e == NULL) |
| { |
| char *value = support_format_herrno (h_errno); |
| char *result = xasprintf ("error: %s\n", value); |
| free (value); |
| return result; |
| } |
| |
| struct xmemstream mem; |
| xopen_memstream (&mem); |
| |
| if (e->n_name != NULL) |
| fprintf (mem.out, "name: %s\n", e->n_name); |
| for (char **ap = e->n_aliases; *ap != NULL; ++ap) |
| fprintf (mem.out, "alias: %s\n", *ap); |
| if (e->n_addrtype != AF_INET) |
| fprintf (mem.out, "addrtype: %d\n", e->n_addrtype); |
| /* On alpha, e->n_net is an unsigned long. */ |
| unsigned int n_net = e->n_net; |
| fprintf (mem.out, "net: 0x%08x\n", n_net); |
| |
| xfclose_memstream (&mem); |
| return mem.buffer; |
| } |