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/* Convert a struct netent object to a string.
Copyright (C) 2016-2021 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
<https://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;
}
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