platform_bionic/libc/include/utmp.h
Calin Juravle 7d8f303353 Allow for better utmp logging.
Increase (UT_NAMESIZE,UT_LINESIZE,UT_HOSTSIZE) to (32,32,256).

Nobody writes utmp on Android but it would be nice to be aligned
with others who use 32,32,256 (like glibc). If ever used it will produce
nicer logging. There is no consensus in BSDs for these values.

Bug: 14584341
Bug: 12875898

Change-Id: I94af10b982b8f9fcaea897c4cf968563f38403f9
2014-05-06 15:44:14 +01:00

96 lines
2.4 KiB
C

/*
* Copyright (C) 2008 The Android Open Source Project
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifndef _UTMP_H_
#define _UTMP_H_
#include <sys/cdefs.h>
#include <sys/types.h>
#include <time.h>
#define _PATH_UTMP "/var/run/utmp"
#define _PATH_WTMP "/var/log/wtmp"
#define _PATH_LASTLOG "/var/log/lastlog"
#ifdef __LP64__
#define UT_NAMESIZE 32
#define UT_LINESIZE 32
#define UT_HOSTSIZE 256
#else
#define UT_NAMESIZE 8
#define UT_LINESIZE 8
#define UT_HOSTSIZE 16
#endif
#define USER_PROCESS 7
struct lastlog
{
time_t ll_time;
char ll_line[UT_LINESIZE];
char ll_host[UT_HOSTSIZE];
};
struct exit_status
{
short int e_termination;
short int e_exit;
};
struct utmp
{
short int ut_type;
pid_t ut_pid;
char ut_line[UT_LINESIZE];
char ut_id[4];
char ut_user[UT_NAMESIZE];
char ut_host[UT_HOSTSIZE];
struct exit_status ut_exit;
long int ut_session;
struct timeval ut_tv;
int32_t ut_addr_v6[4];
char unsed[20];
};
#define ut_name ut_user
#define ut_time ut_tv.tv_sec
#define ut_addr ut_addr_v6[0]
__BEGIN_DECLS
int utmpname(const char*);
void setutent();
struct utmp* getutent();
__END_DECLS
#endif /* _UTMP_H_ */