+
−/* Declarations for GNU's read utmp module.
+
−
+
−   Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
+
−   2001, 2002, 2003, 2004 Free Software Foundation, Inc.
+
−
+
−   This program is free software; you can redistribute it and/or modify
+
−   it under the terms of the GNU General Public License as published by
+
−   the Free Software Foundation; either version 2, or (at your option)
+
−   any later version.
+
−
+
−   This program 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 General Public License for more details.
+
−
+
−   You should have received a copy of the GNU General Public License
+
−   along with this program; if not, write to the Free Software Foundation,
+
−   Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
+
−
+
−/* Written by jla; revised by djm */
+
−
+
−#ifndef __READUTMP_H__
+
−# define __READUTMP_H__
+
−
+
−# include <sys/types.h>
+
−
+
−/* AIX 4.3.3 has both utmp.h and utmpx.h, but only struct utmp
+
−   has the ut_exit member.  */
+
−# if (HAVE_UTMPX_H && HAVE_UTMP_H && HAVE_STRUCT_UTMP_UT_EXIT \
+
−      && ! HAVE_STRUCT_UTMPX_UT_EXIT)
+
−#  undef HAVE_UTMPX_H
+
−# endif
+
−
+
−# ifdef HAVE_UTMPX_H
+
−#  ifdef HAVE_UTMP_H
+
−    /* HPUX 10.20 needs utmp.h, for the definition of e.g., UTMP_FILE.  */
+
−#   include <utmp.h>
+
−#  endif
+
−#  include <utmpx.h>
+
−#  define UTMP_STRUCT_NAME utmpx
+
−#  define UT_TIME_MEMBER(UT_PTR) ((UT_PTR)->ut_tv.tv_sec)
+
−#  define SET_UTMP_ENT setutxent
+
−#  define GET_UTMP_ENT getutxent
+
−#  define END_UTMP_ENT endutxent
+
−#  ifdef HAVE_UTMPXNAME
+
−#   define UTMP_NAME_FUNCTION utmpxname
+
−#  endif
+
−
+
−#  if HAVE_STRUCT_UTMPX_UT_EXIT_E_TERMINATION
+
−#   define UT_EXIT_E_TERMINATION(U) ((U)->ut_exit.e_termination)
+
−#  else
+
−#   if HAVE_STRUCT_UTMPX_UT_EXIT_UT_TERMINATION
+
−#    define UT_EXIT_E_TERMINATION(U) ((U)->ut_exit.ut_termination)
+
−#   else
+
−#    define UT_EXIT_E_TERMINATION(U) 0
+
−#   endif
+
−#  endif
+
−
+
−#  if HAVE_STRUCT_UTMPX_UT_EXIT_E_EXIT
+
−#   define UT_EXIT_E_EXIT(U) ((U)->ut_exit.e_exit)
+
−#  else
+
−#   if HAVE_STRUCT_UTMPX_UT_EXIT_UT_EXIT
+
−#    define UT_EXIT_E_EXIT(U) ((U)->ut_exit.ut_exit)
+
−#   else
+
−#    define UT_EXIT_E_EXIT(U) 0
+
−#   endif
+
−#  endif
+
−
+
−# else
+
−#  include <utmp.h>
+
−#  if !HAVE_DECL_GETUTENT
+
−    struct utmp *getutent();
+
−#  endif
+
−#  define UTMP_STRUCT_NAME utmp
+
−#  define UT_TIME_MEMBER(UT_PTR) ((UT_PTR)->ut_time)
+
−#  define SET_UTMP_ENT setutent
+
−#  define GET_UTMP_ENT getutent
+
−#  define END_UTMP_ENT endutent
+
−#  ifdef HAVE_UTMPNAME
+
−#   define UTMP_NAME_FUNCTION utmpname
+
−#  endif
+
−
+
−#  if HAVE_STRUCT_UTMP_UT_EXIT_E_TERMINATION
+
−#   define UT_EXIT_E_TERMINATION(U) ((U)->ut_exit.e_termination)
+
−#  else
+
−#   if HAVE_STRUCT_UTMP_UT_EXIT_UT_TERMINATION
+
−#    define UT_EXIT_E_TERMINATION(U) ((U)->ut_exit.ut_termination)
+
−#   else
+
−#    define UT_EXIT_E_TERMINATION(U) 0
+
−#   endif
+
−#  endif
+
−
+
−#  if HAVE_STRUCT_UTMP_UT_EXIT_E_EXIT
+
−#   define UT_EXIT_E_EXIT(U) ((U)->ut_exit.e_exit)
+
−#  else
+
−#   if HAVE_STRUCT_UTMP_UT_EXIT_UT_EXIT
+
−#    define UT_EXIT_E_EXIT(U) ((U)->ut_exit.ut_exit)
+
−#   else
+
−#    define UT_EXIT_E_EXIT(U) 0
+
−#   endif
+
−#  endif
+
−
+
−# endif
+
−
+
−/* Accessor macro for the member named ut_user or ut_name.  */
+
−# ifdef HAVE_UTMPX_H
+
−
+
−#  if HAVE_STRUCT_UTMPX_UT_USER
+
−#   define UT_USER(Utmp) ((Utmp)->ut_user)
+
−#  endif
+
−#  if HAVE_STRUCT_UTMPX_UT_NAME
+
−#   undef UT_USER
+
−#   define UT_USER(Utmp) ((Utmp)->ut_name)
+
−#  endif
+
−
+
−# else
+
−
+
−#  if HAVE_STRUCT_UTMP_UT_USER
+
−#   define UT_USER(Utmp) ((Utmp)->ut_user)
+
−#  endif
+
−#  if HAVE_STRUCT_UTMP_UT_NAME
+
−#   undef UT_USER
+
−#   define UT_USER(Utmp) ((Utmp)->ut_name)
+
−#  endif
+
−
+
−# endif
+
−
+
−# define HAVE_STRUCT_XTMP_UT_EXIT \
+
−    (HAVE_STRUCT_UTMP_UT_EXIT \
+
−     || HAVE_STRUCT_UTMPX_UT_EXIT)
+
−
+
−# define HAVE_STRUCT_XTMP_UT_ID \
+
−    (HAVE_STRUCT_UTMP_UT_ID \
+
−     || HAVE_STRUCT_UTMPX_UT_ID)
+
−
+
−# define HAVE_STRUCT_XTMP_UT_PID \
+
−    (HAVE_STRUCT_UTMP_UT_PID \
+
−     || HAVE_STRUCT_UTMPX_UT_PID)
+
−
+
−# define HAVE_STRUCT_XTMP_UT_TYPE \
+
−    (HAVE_STRUCT_UTMP_UT_TYPE \
+
−     || HAVE_STRUCT_UTMPX_UT_TYPE)
+
−
+
−typedef struct UTMP_STRUCT_NAME STRUCT_UTMP;
+
−
+
−enum { UT_USER_SIZE = sizeof UT_USER ((STRUCT_UTMP *) 0) };
+
−
+
−# include <time.h>
+
−# ifdef HAVE_SYS_PARAM_H
+
−#  include <sys/param.h>
+
−# endif
+
−
+
−# include <errno.h>
+
−# ifndef errno
+
−extern int errno;
+
−# endif
+
−
+
−# if !defined (UTMP_FILE) && defined (_PATH_UTMP)
+
−#  define UTMP_FILE _PATH_UTMP
+
−# endif
+
−
+
−# if !defined (WTMP_FILE) && defined (_PATH_WTMP)
+
−#  define WTMP_FILE _PATH_WTMP
+
−# endif
+
−
+
−# ifdef UTMPX_FILE /* Solaris, SysVr4 */
+
−#  undef UTMP_FILE
+
−#  define UTMP_FILE UTMPX_FILE
+
−# endif
+
−
+
−# ifdef WTMPX_FILE /* Solaris, SysVr4 */
+
−#  undef WTMP_FILE
+
−#  define WTMP_FILE WTMPX_FILE
+
−# endif
+
−
+
−# ifndef UTMP_FILE
+
−#  define UTMP_FILE "/etc/utmp"
+
−# endif
+
−
+
−# ifndef WTMP_FILE
+
−#  define WTMP_FILE "/etc/wtmp"
+
−# endif
+
−
+
−char *extract_trimmed_name (const STRUCT_UTMP *ut);
+
−int read_utmp (const char *filename, size_t *n_entries, STRUCT_UTMP **utmp_buf);
+
−
+
−#endif /* __READUTMP_H__ */