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authorUlrich Drepper <drepper@redhat.com>1998-04-20 18:41:05 +0000
committerUlrich Drepper <drepper@redhat.com>1998-04-20 18:41:05 +0000
commit8619129f3f0d5a9db6208be5bae6c2a8c9ce61a5 (patch)
tree033b6528f39a85f12db9d0859dbd1b90c2906eee /login/utmp_file.c
parentf1fa8b68f3e7623a3ef86dcd0c7d090ccf0389f5 (diff)
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Update.
1998-04-20 18:00  Ulrich Drepper  <drepper@cygnus.com>

	* libc.map: Add __dgettext to GLIBC_2.0 and __libc_longjmp, and
	__libc_siglongjmp to GLIBC_2.1.

	* elf/dl-minimal.c (__assert_perror_fail): Don't use strerror, use
	__strerror_r.

	* iconv/Makefile: Don't run tests now.

	* iconv/iconv_prog.c (process_block): If loop is repeated, call iconv
	with correct output buffer.

	Major rewrite of the low-level gconv functionality.
	* iconv/gconv.c: Rewritten.
	* iconv/gconv.h: Likewise.
	* iconv/gconv_builtin.c: Likewise.
	* iconv/gconv_builtin.h: Likewise.
	* iconv/gconv_conf.c: Likewise.
	* iconv/gconv_int.h: Likewise.
	* iconv/gconv_open.c: Likewise.
	* iconv/gconv_simple.c: Likewise.
	* iconv/iconv.c: Likewise.
	* iconvdata/8bit-gap.c: Likewise.
	* iconvdata/8bit-generic.c: Likewise.
	* iconvdata/Makefile: Likewise.
	* iconvdata/big5.c: Likewise.
	* iconvdata/cns11643.c: Likewise.
	* iconvdata/cns11643.h: Likewise.
	* iconvdata/cns11643l1.c: Likewise.
	* iconvdata/cns11643l1.h: Likewise.
	* iconvdata/ebcdic-at-de-a.c: Likewise.
	* iconvdata/ebcdic-at-de.c: Likewise.
	* iconvdata/ebcdic-ca-fr.c: Likewise.
	* iconvdata/euccn.c: Likewise.
	* iconvdata/eucjp.c: Likewise.
	* iconvdata/euckr.c: Likewise.
	* iconvdata/euctw.c: Likewise.
	* iconvdata/gb2312.c: Likewise.
	* iconvdata/gb2312.h: Likewise.
	* iconvdata/hp-roman8.c: Likewise.
	* iconvdata/iso646.c: Likewise.
	* iconvdata/iso6937.c: Likewise.
	* iconvdata/iso8859-1.c: Likewise.
	* iconvdata/iso8859-10.c: Likewise.
	* iconvdata/iso8859-2.c: Likewise.
	* iconvdata/iso8859-3.c: Likewise.
	* iconvdata/iso8859-4.c: Likewise.
	* iconvdata/iso8859-5.c: Likewise.
	* iconvdata/iso8859-6.c: Likewise.
	* iconvdata/iso8859-7.c: Likewise.
	* iconvdata/iso8859-8.c: Likewise.
	* iconvdata/iso8859-9.c: Likewise.
	* iconvdata/jis0201.c: Likewise.
	* iconvdata/jis0201.h: Likewise.
	* iconvdata/jis0208.c: Likewise.
	* iconvdata/jis0208.h: Likewise.
	* iconvdata/jis0212.c: Likewise.
	* iconvdata/jis0212.h: Likewise.
	* iconvdata/johab.c: Likewise.
	* iconvdata/koi-8.c: Likewise.
	* iconvdata/koi8-r.c: Likewise.
	* iconvdata/ksc5601.c: Likewise.
	* iconvdata/ksc5601.h: Likewise.
	* iconvdata/latin-greek-1.c: Likewise.
	* iconvdata/latin-greek.c: Likewise.
	* iconvdata/run-iconv-test.sh: Likewise.
	* iconvdata/sjis.c: Likewise.
	* iconvdata/t61.c: Likewise.
	* iconvdata/uhc.c: Likewise.
	* wcsmbs/btowc.c: Likewise.
	* wcsmbs/mbrtowc.c: Likewise.
	* wcsmbs/mbsnrtowcs.c: Likewise.
	* wcsmbs/mbsrtowcs.c: Likewise.
	* wcsmbs/wcrtomb.c: Likewise.
	* wcsmbs/wcsmbsload.c: Likewise.
	* wcsmbs/wcsnrtombs.c: Likewise.
	* wcsmbs/wcsrtombs.c: Likewise.
	* wcsmbs/wctob.c: Likewise.
	* iconv/loop.c: New file.
	* iconv/skeleton.c: New file.

	* stdlib/mblen.c: Handle empty input string correctly.
	* stdlib/mbtowc.c: Likewise.

	* posix/getopt.c: Various cleanups.

	* sysdeps/arm/bits/setjmp.h: Add copyright text.
	* sysdeps/i386/bits/setjmp.h: Likewise.
	* sysdeps/m68k/bits/setjmp.h: Likewise.
	* sysdeps/powerpc/bits/setjmp.h: Likewise.
	* sysdeps/sparc/sparc32/bits/setjmp.h: Likewise.

	* sysdeps/generic/longjmp.c: Rename function to __libc_siglongjmp
	and make longjmp weak alias.

1998-04-18 20:29  Philip Blundell  <Philip.Blundell@pobox.com>

	* iconv/Makefile (routines): Only include gconv_dl if building for
	an ELF system - dynamic linking is not available on a.out.
	(CFLAGS-gconv_conf.c): Define STATIC_GCONV if omitting gconv_dl
	due to above check.
	* iconv/gconv_db.c: If STATIC_GCONV defined, don't try to call
	routines from gconv_dl.

1998-04-17  Gordon Matzigkeit  <gord@profitpress.com>

	* csu/init.c (_IO_stdin_used): Protect with USE_IN_LIBIO so that
	we can compile without libio.

1998-04-20 16:28  Ulrich Drepper  <drepper@cygnus.com>

	* sysdeps/mach/hurd/Subdirs: Remove login.

1998-04-11  Gordon Matzigkeit  <gord@profitpress.com>

	* db2/compat.h: Include <errno.h>, to make sure we get the
	definition of EFTYPE before we define it ourselves.

1998-04-10  Gordon Matzigkeit  <gord@profitpress.com>

	* sysdeps/generic/bits/socket.h: Protect against multiple inclusion.
	* sysdeps/mach/hurd/bits/ioctls.h: Likewise.
	Fix typo to allow inclusion from sys/ioctl.h again.

1998-04-16  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* iconvdata/*.[ch]: Clean up namespace.  Optimize character lookup.

1998-04-16  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* libc.map: Export __strerror_r.  Remove _strerror_internal.

1998-04-16  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* sysdeps/generic/strcasestr.c: Undefine strcasestr, not strstr.
	Also undefine __strcasestr.

1998-04-16  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* posix/regex.c: Rename __re_max_failures back to re_max_failures,
	aliases do not work with global variables due to copy relocations.

1998-04-20 15:12  Ulrich Drepper  <drepper@cygnus.com>

	* manual/creature.texi: Fix type.  Patch by Andreas Schwab.

1998-04-20 13:47  Ulrich Drepper  <drepper@cygnus.com>

	* signal/sighold.c: Include stddef.h for NULL definition.
	* signal/sigrelse.c: Likewise.
	* sysdeps/posix/sigignore.c: Likewise.
	* sysdeps/posix/sigset.c: Likewise.
	* sysdeps/posix/waitid.c: Likewise.
	* sysdeps/unix/sysv/linux/rt_sigsuspend.c: Likewise.
	* sysdeps/unix/sysv/linux/rt_sigtimedwait.c: Likewise.
	* sysdeps/unix/sysv/linux/sigwaitinfo.c: Likewise.
	* wcsmbs/mbsrtowcs.c: Include stdlib.h for MB_CUR_MAX.
	Patch by Franz Sirl <Franz.Sirl-kernel@lauterbach.com>.

1998-04-13  Mark Kettenis  <kettenis@phys.uva.nl>

	* login/Makefile (headers): Remove utmpx.h and bits/utmpx.h.
	* login/getutent.c (getutxent): Remove alias.
	* login/getutent_r.c (setutxent, pututxline, endutxent):
	Remove aliases.
	* login/getutid.c (getutxid): Remove alias.
	* login/getutline.c (getutxline): Remove alias.
	* login/utmp.h: Add prototypes for __updwtmp, __getutent,
	__getutid, __getutline and __pututline.
	* login/utmpx.h: Moved to ...
	* sysdeps/gnu/utmpx.h: ... here.  [__USE_GNU]: Define UTMPX_FILE,
	UTMPX_FILENAME, WTMPX_FILE and WTMPX_FILENAME, declare utmpxname
	and updwtmpx.
	* login/updwtmp.c: Moved to ...
	* sysdeps/generic/updwtmp.c: ... here.  (updwtmp): Generalized by
	allowing file name transformation.
	* sysdeps/gnu/updwtmp.c: New file.  Use generic implementation with
	additional file name transformation.
	* sysdeps/unix/sysv/linux/updwtmp.c: Likewise.
	* login/utmp_file.c: Moved to ...
	* sysdeps/generic/utmp_file.c: ... here.  (setutent_file):
	Generalized by allowing file name transformation.  Do not
	print error message.  Library functions should not print them.
	Reported by Jim Meyering.
	* sysdeps/gnu/utmp_file.c: New file.  Use generic implementation
	with additional file name transformation.
	* sysdeps/unix/sysv/linux/utmp_file.c: Likewise.
	* sysdeps/gnu/Makefile [$(subdir)=login] (sysdep_routines): Add
	setutxent, getutxent, endutxent, getutxid, getutxid, getutxline,
	pututxline, utmpxname and updwtmpx.  (sysdep_headers): Add utmpx.h
	and bits/utmpx.h.
	* sysdeps/gnu/bits/utmpx.h [__USE_GNU] Include paths.h.
	(_PATH_UTMPX): Define to _PATH_UTMP.  (_PATH_WTMPX): Define to
	_PATH_WTMPX.  (RUN_LVL): Define only if __USE_GNU.  (ACCOUNTING):
	Define if __USE_GNU.
	* sysdeps/gnu/setutxent.c: New file.
	* sysdeps/gnu/getutxent.c: New file.
	* sysdeps/gnu/endutxent.c: New file.
	* sysdeps/gnu/getutxid.c: New file.
	* sysdeps/gnu/getutxline.c: New file.
	* sysdeps/gnu/pututxline.c: New file.
	* sysdeps/gnu/utmpxname.c: New file.
	* sysdeps/gnu/updwtmpx.c: New file.
	* sysdeps/unix/sysv/linux/paths.h (_PATH_UTMP_DB): Remove.
	* sysdeps/generic/bits/utmpx.h: Remove.

1998-04-20  Ulrich Drepper  <drepper@cygnus.com>

	* posix/wordexp-test.c (main): Initialize ifs element of ts for
	~root test.

1998-04-17 07:53  H.J. Lu  <hjl@gnu.org>

	* sysdeps/unix/sysv/linux/i386/s_pread64.S: Fix a typo.

1998-04-17 11:32  Ulrich Drepper  <drepper@cygnus.com>

	* libio/oldfileops.c (_IO_old_file_seekoff): Define temporary st
	variable using _G_stat64.
	* libio/fileops.c: Remove macro definition of fstat, it is in the
	global header.
	Reported by Thorsten Kukuk <kukuk@weber.uni-paderborn.de>.

1998-04-17  Philip Blundell  <pb@nexus.co.uk>

	* sysdeps/arm/strlen.S: New file, based on code by Matthew Wilcox
	<willy@odie.barnet.ac.uk>.

1998-04-16  Philip Blundell  <Philip.Blundell@pobox.com>

	* inet/netinet/in.h (IN6_IS_ADDR_MC_NODELOCAL): New macro,
	required by IPv6 Basic API.
	(IN6_IS_ADDR_MC_LINKLOCAL): Likewise.
	(IN6_IS_ADDR_MC_SITELOCAL): Likewise.
	(IN6_IS_ADDR_MC_ORGLOCAL): Likewise.
	(IN6_IS_ADDR_MC_GLOBAL): Likewise.
Diffstat (limited to 'login/utmp_file.c')
-rw-r--r--login/utmp_file.c476
1 files changed, 0 insertions, 476 deletions
diff --git a/login/utmp_file.c b/login/utmp_file.c
deleted file mode 100644
index 9cdb88ebec..0000000000
--- a/login/utmp_file.c
+++ /dev/null
@@ -1,476 +0,0 @@
-/* Copyright (C) 1996, 1997, 1998 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper <drepper@cygnus.com>
-   and Paul Janzen <pcj@primenet.com>, 1996.
-
-   The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Library General Public License as
-   published by the Free Software Foundation; either version 2 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
-   Library General Public License for more details.
-
-   You should have received a copy of the GNU Library General Public
-   License along with the GNU C Library; see the file COPYING.LIB.  If not,
-   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
-   Boston, MA 02111-1307, USA.  */
-
-#include <assert.h>
-#include <errno.h>
-#include <fcntl.h>
-#include <stdio.h>
-#include <string.h>
-#include <unistd.h>
-#include <utmp.h>
-
-#include "utmp-private.h"
-
-
-/* Descriptor for the file and position.  */
-static int file_fd = -1;
-static off_t file_offset;
-
-/* Cache for the last read entry.  */
-static struct utmp last_entry;
-
-
-/* Functions defined here.  */
-static int setutent_file (void);
-static int getutent_r_file (struct utmp *buffer, struct utmp **result);
-static int getutid_r_file (const struct utmp *key, struct utmp *buffer,
-			   struct utmp **result);
-static int getutline_r_file (const struct utmp *key, struct utmp *buffer,
-			     struct utmp **result);
-static struct utmp *pututline_file (const struct utmp *data);
-static void endutent_file (void);
-static int updwtmp_file (const char *file, const struct utmp *utmp);
-
-/* Jump table for file functions.  */
-struct utfuncs __libc_utmp_file_functions =
-{
-  setutent_file,
-  getutent_r_file,
-  getutid_r_file,
-  getutline_r_file,
-  pututline_file,
-  endutent_file,
-  updwtmp_file
-};
-
-
-static int
-setutent_file (void)
-{
-  if (file_fd < 0)
-    {
-      const char *file_name = __libc_utmp_file_name;
-
-      if (strcmp (__libc_utmp_file_name, _PATH_UTMP) == 0
-	  && __access (_PATH_UTMP "x", F_OK) == 0)
-	file_name = _PATH_UTMP "x";
-      else if (strcmp (__libc_utmp_file_name, _PATH_WTMP) == 0
-	       && __access (_PATH_WTMP "x", F_OK) == 0)
-	file_name = _PATH_WTMP "x";
-
-      file_fd = open (file_name, O_RDWR);
-      if (file_fd == -1)
-	{
-	  /* Hhm, read-write access did not work.  Try read-only.  */
-	  file_fd = open (file_name, O_RDONLY);
-	  if (file_fd == -1)
-	    {
-	      perror (_("while opening UTMP file"));
-	      return 0;
-	    }
-	}
-    }
-
-  lseek (file_fd, 0, SEEK_SET);
-  file_offset = 0;
-
-#if _HAVE_UT_TYPE - 0
-  /* Make sure the entry won't match.  */
-  last_entry.ut_type = -1;
-#endif
-
-  return 1;
-}
-
-
-static int
-getutent_r_file (struct utmp *buffer, struct utmp **result)
-{
-  ssize_t nbytes;
-  struct flock fl;			/* Information struct for locking.  */
-
-  assert (file_fd >= 0);
-
-  if (file_offset == -1l)
-    {
-      /* Not available.  */
-      *result = NULL;
-      return -1;
-    }
-
-  /* XXX The following is not perfect.  Instead of locking the file itself
-     Marek Michalkiewicz <marekm@i17linuxb.ists.pwr.wroc.pl> suggests to
-     use an extra locking file.  */
-  /* XXX I think using an extra locking file does not solve the
-     problems.  Instead we should set an alarm, which causes fcntl to
-     fail, as in ../nis/lckcache.c.
-     Mark Kettenis <kettenis@phys.uva.nl>.  */
-
-  /* Try to get the lock.  */
-  memset (&fl, '\0', sizeof (struct flock));
-  fl.l_type = F_RDLCK;
-  fl.l_whence = SEEK_SET;
-  fcntl (file_fd, F_SETLK, &fl);
-
-  /* Read the next entry.  */
-  nbytes = read (file_fd, &last_entry, sizeof (struct utmp));
-
-  /* And unlock the file.  */
-  fl.l_type = F_UNLCK;
-  fcntl (file_fd, F_SETLKW, &fl);
-
-  if (nbytes != sizeof (struct utmp))
-    {
-      file_offset = -1l;
-      *result = NULL;
-      return -1;
-    }
-
-  /* Update position pointer.  */
-  file_offset += sizeof (struct utmp);
-
-  memcpy (buffer, &last_entry, sizeof (struct utmp));
-  *result = buffer;
-
-  return 0;
-}
-
-
-static int
-proc_utmp_eq (const struct utmp *entry, const struct utmp *match)
-{
-  return
-    (
-#if _HAVE_UT_TYPE - 0
-     (entry->ut_type == INIT_PROCESS
-      || entry->ut_type == LOGIN_PROCESS
-      || entry->ut_type == USER_PROCESS
-      || entry->ut_type == DEAD_PROCESS)
-     &&
-     (match->ut_type == INIT_PROCESS
-      || match->ut_type == LOGIN_PROCESS
-      || match->ut_type == USER_PROCESS
-      || match->ut_type == DEAD_PROCESS)
-     &&
-#endif
-#if _HAVE_UT_ID - 0
-     (entry->ut_id[0] && match->ut_id[0]
-      ? strncmp (entry->ut_id, match->ut_id, sizeof match->ut_id) == 0
-      : strncmp (entry->ut_line, match->ut_line, sizeof match->ut_line) == 0)
-#else
-     strncmp (entry->ut_line, match->ut_line, sizeof match->ut_line) == 0
-#endif
-     );
-}
-
-static int
-internal_getut_r (const struct utmp *id, struct utmp *buffer)
-{
-  int result = -1;
-  struct flock fl;
-
-  /* Try to get the lock.  */
-  memset (&fl, '\0', sizeof (struct flock));
-  fl.l_type = F_RDLCK;
-  fl.l_whence = SEEK_SET;
-  fcntl (file_fd, F_SETLKW, &fl);
-
-#if _HAVE_UT_TYPE - 0
-  if (id->ut_type == RUN_LVL || id->ut_type == BOOT_TIME
-      || id->ut_type == OLD_TIME || id->ut_type == NEW_TIME)
-    {
-      /* Search for next entry with type RUN_LVL, BOOT_TIME,
-	 OLD_TIME, or NEW_TIME.  */
-
-      while (1)
-	{
-	  /* Read the next entry.  */
-	  if (read (file_fd, buffer, sizeof (struct utmp))
-	      != sizeof (struct utmp))
-	    {
-	      __set_errno (ESRCH);
-	      file_offset = -1l;
-	      goto unlock_return;
-	    }
-	  file_offset += sizeof (struct utmp);
-
-	  if (id->ut_type == buffer->ut_type)
-	    break;
-	}
-    }
-  else
-#endif /* _HAVE_UT_TYPE */
-    {
-      /* Search for the next entry with the specified ID and with type
-	 INIT_PROCESS, LOGIN_PROCESS, USER_PROCESS, or DEAD_PROCESS.  */
-
-      while (1)
-	{
-	  /* Read the next entry.  */
-	  if (read (file_fd, buffer, sizeof (struct utmp))
-	      != sizeof (struct utmp))
-	    {
-	      __set_errno (ESRCH);
-	      file_offset = -1l;
-	      goto unlock_return;
-	    }
-	  file_offset += sizeof (struct utmp);
-
-	  if (proc_utmp_eq (buffer, id))
-	    break;
-	}
-    }
-
-  result = 0;
-
-unlock_return:
-  /* And unlock the file.  */
-  fl.l_type = F_UNLCK;
-  fcntl (file_fd, F_SETLK, &fl);
-
-  return result;
-}
-
-
-/* For implementing this function we don't use the getutent_r function
-   because we can avoid the reposition on every new entry this way.  */
-static int
-getutid_r_file (const struct utmp *id, struct utmp *buffer,
-		struct utmp **result)
-{
-  assert (file_fd >= 0);
-
-  if (file_offset == -1l)
-    {
-      *result = NULL;
-      return -1;
-    }
-
-  if (internal_getut_r (id, &last_entry) < 0)
-    {
-      *result = NULL;
-      return -1;
-    }
-
-  memcpy (buffer, &last_entry, sizeof (struct utmp));
-  *result = buffer;
-
-  return 0;
-}
-
-
-/* For implementing this function we don't use the getutent_r function
-   because we can avoid the reposition on every new entry this way.  */
-static int
-getutline_r_file (const struct utmp *line, struct utmp *buffer,
-		  struct utmp **result)
-{
-  struct flock fl;
-
-  assert (file_fd >= 0);
-
-  if (file_offset == -1l)
-    {
-      *result = NULL;
-      return -1;
-    }
-
-  /* Try to get the lock.  */
-  memset (&fl, '\0', sizeof (struct flock));
-  fl.l_type = F_RDLCK;
-  fl.l_whence = SEEK_SET;
-  fcntl (file_fd, F_SETLKW, &fl);
-
-  while (1)
-    {
-      /* Read the next entry.  */
-      if (read (file_fd, &last_entry, sizeof (struct utmp))
-	  != sizeof (struct utmp))
-	{
-	  __set_errno (ESRCH);
-	  file_offset = -1l;
-	  *result = NULL;
-	  goto unlock_return;
-	}
-      file_offset += sizeof (struct utmp);
-
-      /* Stop if we found a user or login entry.  */
-      if (
-#if _HAVE_UT_TYPE - 0
-	  (last_entry.ut_type == USER_PROCESS
-	   || last_entry.ut_type == LOGIN_PROCESS)
-	  &&
-#endif
-	  !strncmp (line->ut_line, last_entry.ut_line, sizeof line->ut_line))
-	break;
-    }
-
-  memcpy (buffer, &last_entry, sizeof (struct utmp));
-  *result = buffer;
-
-unlock_return:
-  /* And unlock the file.  */
-  fl.l_type = F_UNLCK;
-  fcntl (file_fd, F_SETLK, &fl);
-
-  return ((*result == NULL) ? -1 : 0);
-}
-
-
-static struct utmp *
-pututline_file (const struct utmp *data)
-{
-  struct flock fl;			/* Information struct for locking.  */
-  struct utmp buffer;
-  struct utmp *pbuf;
-  int found;
-
-  assert (file_fd >= 0);
-
-  /* Find the correct place to insert the data.  */
-  if (file_offset > 0
-      && (
-#if _HAVE_UT_TYPE - 0
-	  (last_entry.ut_type == data->ut_type
-	   && (last_entry.ut_type == RUN_LVL
-	       || last_entry.ut_type == BOOT_TIME
-	       || last_entry.ut_type == OLD_TIME
-	       || last_entry.ut_type == NEW_TIME))
-	  ||
-#endif
-	  proc_utmp_eq (&last_entry, data)))
-    found = 1;
-  else
-    found = internal_getut_r (data, &buffer);
-
-  /* Try to lock the file.  */
-  memset (&fl, '\0', sizeof (struct flock));
-  fl.l_type = F_WRLCK;
-  fl.l_whence = SEEK_SET;
-  fcntl (file_fd, F_SETLK, &fl);
-
-  if (found < 0)
-    {
-      /* We append the next entry.  */
-      file_offset = lseek (file_fd, 0, SEEK_END);
-      if (file_offset % sizeof (struct utmp) != 0)
-	{
-	  file_offset -= file_offset % sizeof (struct utmp);
-	  __ftruncate (file_fd, file_offset);
-
-	  if (lseek (file_fd, 0, SEEK_END) < 0)
-	    {
-	      pbuf = NULL;
-	      goto unlock_return;
-	    }
-	}
-    }
-  else
-    {
-      /* We replace the just read entry.  */
-      file_offset -= sizeof (struct utmp);
-      lseek (file_fd, file_offset, SEEK_SET);
-    }
-
-  /* Write the new data.  */
-  if (write (file_fd, data, sizeof (struct utmp)) != sizeof (struct utmp))
-    {
-      /* If we appended a new record this is only partially written.
-	 Remove it.  */
-      if (found < 0)
-	(void) __ftruncate (file_fd, file_offset);
-      pbuf = NULL;
-    }
-  else
-    {
-      file_offset += sizeof (struct utmp);
-      pbuf = (struct utmp *) data;
-    }
-
- unlock_return:
-   /* And unlock the file.  */
-  fl.l_type = F_UNLCK;
-  fcntl (file_fd, F_SETLK, &fl);
-
-  return pbuf;
-}
-
-
-static void
-endutent_file (void)
-{
-  assert (file_fd >= 0);
-
-  close (file_fd);
-  file_fd = -1;
-}
-
-
-static int
-updwtmp_file (const char *file, const struct utmp *utmp)
-{
-  int result = -1;
-  struct flock fl;
-  off_t offset;
-  int fd;
-
-  /* Open WTMP file.  */
-  fd = open (file, O_WRONLY);
-  if (fd < 0)
-    return -1;
-
-  /* Try to get the lock.  */
-  memset (&fl, '\0', sizeof (struct flock));
-  fl.l_type = F_WRLCK;
-  fl.l_whence = SEEK_SET;
-  fcntl (fd, F_SETLK, &fl);
-
-  /* Remember original size of log file.  */
-  offset = lseek (fd, 0, SEEK_END);
-  if (offset % sizeof (struct utmp) != 0)
-    {
-      offset -= offset % sizeof (struct utmp);
-      __ftruncate (fd, offset);
-
-      if (lseek (fd, 0, SEEK_END) < 0)
-	goto unlock_return;
-    }
-
-  /* Write the entry.  If we can't write all the bytes, reset the file
-     size back to the original size.  That way, no partial entries
-     will remain.  */
-  if (write (fd, utmp, sizeof (struct utmp)) != sizeof (struct utmp))
-    {
-      __ftruncate (fd, offset);
-      goto unlock_return;
-    }
-
-  result = 0;
-
-unlock_return:
-  /* And unlock the file.  */
-  fl.l_type = F_UNLCK;
-  fcntl (fd, F_SETLKW, &fl);
-
-  /* Close WTMP file.  */
-  close (fd);
-
-  return result;
-}