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/* Copyright (C) 2009-2013 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 <stdbool.h>
#include <stdio.h>
#include <gshadow.h>
#define _S(x) x ? x : ""
/* Write an entry to the given stream.
This must know the format of the group file. */
int
putsgent (const struct sgrp *g, FILE *stream)
{
int errors = 0;
_IO_flockfile (stream);
if (fprintf (stream, "%s:%s:", g->sg_namp, _S (g->sg_passwd)) < 0)
++errors;
bool first = true;
char **sp = g->sg_adm;
if (sp != NULL)
while (*sp != NULL)
{
if (fprintf (stream, "%s%s", first ? "" : ",", *sp++) < 0)
{
++errors;
break;
}
first = false;
}
if (putc_unlocked (':', stream) == EOF)
++errors;
first = true;
sp = g->sg_mem;
if (sp != NULL)
while (*sp != NULL)
{
if (fprintf (stream, "%s%s", first ? "" : ",", *sp++) < 0)
{
++errors;
break;
}
first = false;
}
if (putc_unlocked ('\n', stream) == EOF)
++errors;
_IO_funlockfile (stream);
return errors ? -1 : 0;
}
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