1: /* Copyright (C) 1996, 1997, 1998, 2001, 2002 Free Software Foundation, Inc.
    2:    This file is part of the GNU C Library.
    3:    Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996.
    4: 
    5:    The GNU C Library is free software; you can redistribute it and/or
    6:    modify it under the terms of the GNU Lesser General Public
    7:    License as published by the Free Software Foundation; either
    8:    version 2.1 of the License, or (at your option) any later version.
    9: 
   10:    The GNU C Library is distributed in the hope that it will be useful,
   11:    but WITHOUT ANY WARRANTY; without even the implied warranty of
   12:    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   13:    Lesser General Public License for more details.
   14: 
   15:    You should have received a copy of the GNU Lesser General Public
   16:    License along with the GNU C Library; if not, write to the Free
   17:    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
   18:    02111-1307 USA.  */
   19: 
   20: #include <stdlib.h>
   21: #include <utmp.h>
   22: 
   23: 
   24: /* Local buffer to store the result.  */
   25: libc_freeres_ptr (static struct utmp *buffer);
   26: 
   27: struct utmp *
   28: __getutid (const struct utmp *id)
   29: {
   30:   struct utmp *result;
   31: 
   32:   if (buffer == NULL)
   33:     {
   34:       buffer = (struct utmp *) malloc (sizeof (struct utmp));
   35:       if (buffer == NULL)
   36:         return NULL;
   37:     }
   38:   if (__getutid_r (id, buffer, &result) < 0)
   39:     return NULL;
   40: 
   41:   return result;
   42: }
   43: weak_alias (__getutid, getutid)