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43 lines
1.7 KiB
C
43 lines
1.7 KiB
C
/* Helper function for utmp functions to see if two entries are equal.
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Copyright (C) 1996-2020 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>
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and Paul Janzen <pcj@primenet.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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<https://www.gnu.org/licenses/>. */
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#include <string.h>
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#include <utmp.h>
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#include "utmp-private.h"
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/* Test whether two entries match. */
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static int
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__utmp_equal (const struct utmp *entry, const struct utmp *match)
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{
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return (entry->ut_type == INIT_PROCESS
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|| entry->ut_type == LOGIN_PROCESS
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|| entry->ut_type == USER_PROCESS
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|| entry->ut_type == DEAD_PROCESS)
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&& (match->ut_type == INIT_PROCESS
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|| match->ut_type == LOGIN_PROCESS
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|| match->ut_type == USER_PROCESS
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|| match->ut_type == DEAD_PROCESS)
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&& (entry->ut_id[0] && match->ut_id[0]
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? strncmp (entry->ut_id, match->ut_id, sizeof match->ut_id) == 0
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: (strncmp (entry->ut_line, match->ut_line, sizeof match->ut_line)
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== 0));
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}
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