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authorJim Meyering <jim@meyering.net>1997-07-13 02:54:48 +0000
committerJim Meyering <jim@meyering.net>1997-07-13 02:54:48 +0000
commit55b799acc33983a85f56baf9139ac12e9288537b (patch)
tree029c8a4cfd6f3f593ee0a54f664a9b66bed88f50 /lib/readutmp.h
parent7501b0d916cec6516e5b4f54271dbd1074114c14 (diff)
downloadgnulib-55b799acc33983a85f56baf9139ac12e9288537b.tar.gz
.
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+/* Declarations for GNU's read utmp module.
+ Copyright (C) 92, 93, 94, 95, 96, 1997 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 <stdio.h>
+# include <sys/types.h>
+
+# ifdef HAVE_UTMPX_H
+# include <utmpx.h>
+# define STRUCT_UTMP struct utmpx
+# define UT_TIME_MEMBER(UT_PTR) ((UT_PTR)->ut_tv.tv_sec)
+# else
+# include <utmp.h>
+# define STRUCT_UTMP struct utmp
+# define UT_TIME_MEMBER(UT_PTR) ((UT_PTR)->ut_time)
+# endif
+
+# 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
+
+extern STRUCT_UTMP * utmp_contents;
+
+# undef PARAMS
+# if defined (__STDC__) && __STDC__
+# define PARAMS(Args) Args
+# else
+# define PARAMS(Args) ()
+# endif
+
+extern char * extract_trimmed_name PARAMS((const STRUCT_UTMP *ut));
+extern int read_utmp PARAMS((const char *filename));
+
+#endif /* __READUTMP_H__ */