Blame login/getutid.c

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/* Copyright (C) 1996-2018 Free Software Foundation, Inc.
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   This file is part of the GNU C Library.
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   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996.
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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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   <http://www.gnu.org/licenses/>.  */
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#include <stdlib.h>
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#include <utmp.h>
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/* Local buffer to store the result.  */
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libc_freeres_ptr (static struct utmp *buffer);
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struct utmp *
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__getutid (const struct utmp *id)
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{
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  struct utmp *result;
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  if (buffer == NULL)
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    {
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      buffer = (struct utmp *) malloc (sizeof (struct utmp));
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      if (buffer == NULL)
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        return NULL;
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    }
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  if (__getutid_r (id, buffer, &result) < 0)
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    return NULL;
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  return result;
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}
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libc_hidden_def (__getutid)
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weak_alias (__getutid, getutid)