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- /* Copyright (C) 1996, 1997, 2002 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
- Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996.
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public
- License as published by the Free Software Foundation; either
- version 2.1 of the License, or (at your option) any later version.
- The GNU C Library 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
- Lesser General Public License for more details.
- You should have received a copy of the GNU Lesser General Public
- License along with the GNU C Library; if not, see
- <http://www.gnu.org/licenses/>. */
- #include <errno.h>
- #include <string.h>
- #include <sys/time.h>
- #include "internal/utmp.h"
- int
- logout (const char *line)
- {
- struct UT tmp;
- struct UT *ut;
- int result = 0;
- /* if (utmpname (_PATH_UTMP) == -1) return 0; - why?
- * this makes it impossible for caller to use other file!
- * Does any standard or historical precedent says this must be done? */
- /* Open UTMP file. */
- setutent ();
- /* Fill in search information. */
- #if _HAVE_UT_TYPE - 0
- tmp.ut_type = USER_PROCESS;
- #endif
- strncpy (tmp.ut_line, line, sizeof tmp.ut_line);
- /* Read the record. */
- if ((ut = getutline(&tmp)) != NULL)
- {
- /* Clear information about who & from where. */
- memset (ut->ut_name, 0, sizeof ut->ut_name);
- #if _HAVE_UT_HOST - 0
- memset (ut->ut_host, 0, sizeof ut->ut_host);
- #endif
- #if _HAVE_UT_TV - 0
- # if !defined __WORDSIZE_TIME64_COMPAT32
- gettimeofday (&ut->ut_tv, NULL);
- # else
- {
- struct timeval tv;
- gettimeofday (&tv, NULL);
- ut->ut_tv.tv_sec = tv.tv_sec;
- ut->ut_tv.tv_usec = tv.tv_usec;
- }
- # endif
- #else
- time (&ut->ut_time);
- #endif
- #if _HAVE_UT_TYPE - 0
- ut->ut_type = DEAD_PROCESS;
- #endif
- if (pututline (ut) != NULL)
- result = 1;
- }
- /* Close UTMP file. */
- endutent ();
- return result;
- }
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