66 lines
1.8 KiB
C
66 lines
1.8 KiB
C
/* Copyright (C) 1996 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If
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not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#include <string.h>
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#include <unistd.h>
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#include <utmp.h>
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void
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logwtmp (const char *line, const char *name, const char *host)
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{
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struct utmp_data data;
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struct utmp ut;
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/* Tell that we want to use the UTMP file. */
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if (utmpname (_PATH_WTMP) == 0)
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return;
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/* Open UTMP file. */
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setutent_r (&data);
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/* Position at end of file. */
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data.loc_utmp = lseek (data.ut_fd, 0, SEEK_END);
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if (data.loc_utmp == -1)
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return;
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/* Set information in new entry. */
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bzero (&ut, sizeof (ut));
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#if _HAVE_UT_TYPE - 0
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ut.ut_type = USER_PROCESS;
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#endif
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strncpy (ut.ut_line, line, sizeof ut.ut_line);
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strncpy (ut.ut_name, name, sizeof ut.ut_name);
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#if _HAVE_UT_HOST - 0
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strncpy (ut.ut_host, host, sizeof ut.ut_host);
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#endif
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#if _HAVE_UT_TV - 0
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gettimeofday (&ut.ut_tv, NULL);
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#else
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time (&ut.ut_time);
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#endif
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/* Write the entry. */
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pututline_r (&ut, &data);
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/* Close UTMP file. */
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endutent_r (&data);
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}
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