usr/src/lib/libbc/libc/sys/common/compat.h

   1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License, Version 1.0 only
   6  * (the "License").  You may not use this file except in compliance
   7  * with the License.
   8  *
   9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
  10  * or http://www.opensolaris.org/os/licensing.
  11  * See the License for the specific language governing permissions
  12  * and limitations under the License.
  13  *
  14  * When distributing Covered Code, include this CDDL HEADER in each
  15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  16  * If applicable, add the following below this CDDL HEADER, with the
  17  * fields enclosed by brackets "[]" replaced with your own identifying
  18  * information: Portions Copyright [yyyy] [name of copyright owner]
  19  *
  20  * CDDL HEADER END
  21  */
  22 /*
  23  * Copyright (c) 1999 by Sun Microsystems, Inc.
  24  * All rights reserved.
  25  */
  26
  27 #pragma ident   "%Z%%M% %I%     %E% SMI"
  28
  29 #include <utmp.h>
  30 #include <sys/types.h>
  31 #include <sys/time.h>
  32
  33 /*
  34  * the following value will be stuffed into "fd2", which was previously
  35  * used to hold the fd of the utmpx or wtmpx file when the application
  36  * attempted to open utmp or wtmp.  Since we now only support utmpx
  37  * and wtmpx, that is always the only file we open (now as "fd").
  38  * The magic value in the second descriptor simply tells us that
  39  * the fd is "special", in that we have to do utmp to utmpx
  40  * record conversions on data read or written.  The magic value
  41  * is specifically chosen to be higher than any possible fd value
  42  * could be in a 4.x application.
  43  */
  44
  45 #define UTMPX_MAGIC_FLAG        512
  46
  47 /*
  48  * 4.x utmp record format
  49  */
  50 struct compat_utmp
  51   {
  52         char    ut_line[8];             /* tty name */
  53         char    ut_name[8];             /* user id */
  54         char    ut_host[16];            /* host name, if remote */
  55         time_t  ut_time;                /* time on */
  56   } ;
  57
  58
  59 struct exit_status
  60 {
  61         short e_termination;            /* termination status */
  62         short e_exit;                   /* exit status */
  63 } ;
  64
  65 struct utmpx
  66   {
  67       char    ut_user[32];            /* user login name */
  68       char    ut_id[4];               /* inittab id */
  69       char    ut_line[32];            /* device name (console, lnxx) */
  70       long   ut_pid;                 /* process id */
  71       short   ut_type;                /* type of entry */
  72       struct exit_status ut_exit;     /* process termination/exit status */
  73       struct timeval ut_tv;           /* time entry was made */
  74       long    ut_session;             /* session ID, used for windowing */
  75       long    pad[5];                 /* reserved for future use */
  76       short   ut_syslen;              /* significant length of ut_host */
  77                                       /*   including terminating null */
  78       char    ut_host[257];           /* remote host name */
  79   } ;
  80
  81
  82 #define getmodsize(size, ftype, ttype)  \
  83         (((size / ftype) * ttype) + (size % ftype))