Further harden glibc malloc metadata against 1-byte overflows.
[glibc.git] / bits / utmp.h
blobccec9167742f9c29688579dd9d516d6c0e0d5ca2
1 /* The `struct utmp' type, describing entries in the utmp file. Generic/BSDish
2 Copyright (C) 1993-2017 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <http://www.gnu.org/licenses/>. */
19 #ifndef _UTMP_H
20 # error "Never include <bits/utmp.h> directly; use <utmp.h> instead."
21 #endif
23 #include <paths.h>
24 #include <time.h>
27 #define UT_NAMESIZE 8
28 #define UT_LINESIZE 8
29 #define UT_HOSTSIZE 16
32 struct lastlog
34 time_t ll_time;
35 char ll_line[UT_LINESIZE];
36 char ll_host[UT_HOSTSIZE];
39 struct utmp
41 char ut_line[UT_LINESIZE];
42 char ut_user[UT_NAMESIZE];
43 #define ut_name ut_user
44 char ut_host[UT_HOSTSIZE];
45 long int ut_time;
49 #define _HAVE_UT_HOST 1 /* We have the ut_host field. */