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/* Convert a struct servent object to a string.
Copyright (C) 2026 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 <errno.h>
#include <netdb.h>
#include <support/support.h>
#include <support/xmemstream.h>
char *
support_format_servent (const struct servent *e)
{
if (e == NULL)
return xasprintf ("error: (errno %d, %m)\n", errno);
struct xmemstream mem;
xopen_memstream (&mem);
fprintf (mem.out, "name: %s\n", e->s_name);
for (char **ap = e->s_aliases; *ap != NULL; ++ap)
fprintf (mem.out, "alias: %s\n", *ap);
fprintf (mem.out, "port: %d\n", ntohs (e->s_port));
fprintf (mem.out, "proto: %s\n", e->s_proto);
xfclose_memstream (&mem);
return mem.buffer;
}
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