File: utmp-equal.h

package info (click to toggle)
glibc 2.30-2
  • links: PTS, VCS
  • area: main
  • in suites: bullseye, sid
  • size: 270,900 kB
  • sloc: ansic: 1,012,501; asm: 257,517; makefile: 11,622; sh: 10,353; python: 9,001; cpp: 5,081; awk: 1,956; perl: 514; yacc: 290; pascal: 182; sed: 73
file content (42 lines) | stat: -rw-r--r-- 1,697 bytes parent folder | download | duplicates (3)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
/* Helper function for utmp functions to see if two entries are equal.
   Copyright (C) 1996-2019 Free Software Foundation, Inc.
   This file is part of the GNU C Library.
   Contributed by Ulrich Drepper <drepper@cygnus.com>
   and Paul Janzen <pcj@primenet.com>, 1996.

   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
   <http://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));
}