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5840c75c | 1 | /* Convert a struct netent object to a string. |
04277e02 | 2 | Copyright (C) 2016-2019 Free Software Foundation, Inc. |
5840c75c FW |
3 | This file is part of the GNU C Library. |
4 | ||
5 | The GNU C Library is free software; you can redistribute it and/or | |
6 | modify it under the terms of the GNU Lesser General Public | |
7 | License as published by the Free Software Foundation; either | |
8 | version 2.1 of the License, or (at your option) any later version. | |
9 | ||
10 | The GNU C Library is distributed in the hope that it will be useful, | |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
13 | Lesser General Public License for more details. | |
14 | ||
15 | You should have received a copy of the GNU Lesser General Public | |
16 | License along with the GNU C Library; if not, see | |
5a82c748 | 17 | <https://www.gnu.org/licenses/>. */ |
5840c75c FW |
18 | |
19 | #include <support/format_nss.h> | |
20 | ||
21 | #include <arpa/inet.h> | |
22 | #include <stdio.h> | |
f58bd7f0 | 23 | #include <stdlib.h> |
5840c75c FW |
24 | #include <support/support.h> |
25 | #include <support/xmemstream.h> | |
26 | ||
27 | char * | |
28 | support_format_netent (struct netent *e) | |
29 | { | |
30 | if (e == NULL) | |
31 | { | |
32 | char *value = support_format_herrno (h_errno); | |
33 | char *result = xasprintf ("error: %s\n", value); | |
34 | free (value); | |
35 | return result; | |
36 | } | |
37 | ||
38 | struct xmemstream mem; | |
39 | xopen_memstream (&mem); | |
40 | ||
41 | if (e->n_name != NULL) | |
42 | fprintf (mem.out, "name: %s\n", e->n_name); | |
43 | for (char **ap = e->n_aliases; *ap != NULL; ++ap) | |
44 | fprintf (mem.out, "alias: %s\n", *ap); | |
45 | if (e->n_addrtype != AF_INET) | |
46 | fprintf (mem.out, "addrtype: %d\n", e->n_addrtype); | |
73dfd088 FW |
47 | /* On alpha, e->n_net is an unsigned long. */ |
48 | unsigned int n_net = e->n_net; | |
49 | fprintf (mem.out, "net: 0x%08x\n", n_net); | |
5840c75c FW |
50 | |
51 | xfclose_memstream (&mem); | |
52 | return mem.buffer; | |
53 | } |