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/* Helper function for utmp functions to see if two entries are equal.
Copyright (C) 1996-2023 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
<https://www.gnu.org/licenses/>. */
#include <string.h>
#include <utmp.h>
#include "utmp-private.h"
/* Test whether two entries match. */
static int
__utmp_equal (const struct utmp *entry, const struct utmp *match)
{
return (entry->ut_type == INIT_PROCESS
|| entry->ut_type == LOGIN_PROCESS
|| entry->ut_type == USER_PROCESS
|| entry->ut_type == DEAD_PROCESS)
&& (match->ut_type == INIT_PROCESS
|| match->ut_type == LOGIN_PROCESS
|| match->ut_type == USER_PROCESS
|| match->ut_type == DEAD_PROCESS)
&& (entry->ut_id[0] && match->ut_id[0]
? strncmp (entry->ut_id, match->ut_id, sizeof match->ut_id) == 0
: (strncmp (entry->ut_line, match->ut_line, sizeof match->ut_line)
== 0));
}
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