/* GNU's read utmp module.
- Copyright (C) 1992-2001, 2003, 2004, 2005 Free Software Foundation, Inc.
- This program is free software; you can redistribute it and/or modify
+ Copyright (C) 1992-2001, 2003, 2004, 2005, 2006 Free Software
+ Foundation, Inc.
+
+ This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2, or (at your option)
- any later version.
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software Foundation,
- Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
/* Written by jla; revised by djm */
-#ifdef HAVE_CONFIG_H
-# include <config.h>
-#endif
+#include <config.h>
#include "readutmp.h"
static inline bool
desirable_utmp_entry (STRUCT_UTMP const *u, int options)
{
- return ! (options & READ_UTMP_CHECK_PIDS
- && IS_USER_PROCESS (u)
- && (UT_PID (u) <= 0
- || (kill (UT_PID (u), 0) < 0 && errno == ESRCH)));
+ bool user_proc = IS_USER_PROCESS (u);
+ if ((options & READ_UTMP_USER_PROCESS) && !user_proc)
+ return false;
+ if ((options & READ_UTMP_CHECK_PIDS)
+ && user_proc
+ && (UT_PID (u) <= 0
+ || (kill (UT_PID (u), 0) < 0 && errno == ESRCH)))
+ return false;
+ return true;
}
/* Read the utmp entries corresponding to file FILE into freshly-