sysdeps/gnu/getutmp.c

   1 /* Copyright (C) 1999-2023 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3
   4    The GNU C Library is free software; you can redistribute it and/or
   5    modify it under the terms of the GNU Lesser General Public
   6    License as published by the Free Software Foundation; either
   7    version 2.1 of the License, or (at your option) any later version.
   8
   9    The GNU C Library is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12    Lesser General Public License for more details.
  13
  14    You should have received a copy of the GNU Lesser General Public
  15    License along with the GNU C Library; if not, see
  16    <https://www.gnu.org/licenses/>.  */
  17
  18 #include <assert.h>
  19 #include <string.h>
  20 #include <utmp.h>
  21 #ifndef _UTMPX_H
  22 /* This is an ugly hack but we must not see the getutmpx declaration.  */
  23 # define getutmpx XXXgetutmpx
  24 # include <utmpx.h>
  25 # undef getutmpx
  26 #endif
  27
  28 void
  29 getutmp (const struct utmpx *utmpx, struct utmp *utmp)
  30 {
  31   assert (sizeof (struct utmp) == sizeof (struct utmpx));
  32   memcpy (utmp, utmpx, sizeof (struct utmp));
  33 }
  34 strong_alias (getutmp, getutmpx)