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54 lines
1.7 KiB
C
54 lines
1.7 KiB
C
/* Convert a struct netent object to a string.
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Copyright (C) 2016-2020 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<https://www.gnu.org/licenses/>. */
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#include <support/format_nss.h>
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#include <arpa/inet.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <support/support.h>
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#include <support/xmemstream.h>
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char *
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support_format_netent (struct netent *e)
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{
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if (e == NULL)
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{
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char *value = support_format_herrno (h_errno);
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char *result = xasprintf ("error: %s\n", value);
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free (value);
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return result;
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}
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struct xmemstream mem;
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xopen_memstream (&mem);
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if (e->n_name != NULL)
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fprintf (mem.out, "name: %s\n", e->n_name);
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for (char **ap = e->n_aliases; *ap != NULL; ++ap)
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fprintf (mem.out, "alias: %s\n", *ap);
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if (e->n_addrtype != AF_INET)
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fprintf (mem.out, "addrtype: %d\n", e->n_addrtype);
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/* On alpha, e->n_net is an unsigned long. */
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unsigned int n_net = e->n_net;
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fprintf (mem.out, "net: 0x%08x\n", n_net);
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xfclose_memstream (&mem);
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return mem.buffer;
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}
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