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-rw-r--r--REORG.TODO/login/programs/utmpdump.c99
1 files changed, 99 insertions, 0 deletions
diff --git a/REORG.TODO/login/programs/utmpdump.c b/REORG.TODO/login/programs/utmpdump.c
new file mode 100644
index 0000000000..35bf0f9c27
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+++ b/REORG.TODO/login/programs/utmpdump.c
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+/* utmpdump - dump utmp-like files.
+   Copyright (C) 1997-2017 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Mark Kettenis <kettenis@phys.uva.nl>, 1997.
+
+   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 <stdio.h>
+#include <stdlib.h>
+#include <time.h>
+#include <unistd.h>
+#include <utmp.h>
+
+static void
+print_entry (struct utmp *up)
+{
+  /* Mixed 32-/64-bit systems may have timeval structs of different sixe
+     but need struct utmp to be the same size.  So in 64-bit up->ut_tv may
+     not be a timeval but a struct of __int32_t's.  This would cause a compile
+     time warning and a formating error when 32-bit int is passed where
+     a 64-bit long is expected. So copy up->up_tv to a temporary timeval.
+     This is 32-/64-bit agnostic and expands the timeval fields to the
+     expected size as needed. */
+  struct timeval temp_tv;
+  temp_tv.tv_sec = up->ut_tv.tv_sec;
+  temp_tv.tv_usec = up->ut_tv.tv_usec;
+
+  (printf) (
+	    /* The format string.  */
+#if _HAVE_UT_TYPE
+	    "[%d] "
+#endif
+#if _HAVE_UT_PID
+	    "[%05d] "
+#endif
+#if _HAVE_UT_ID
+	    "[%-4.4s] "
+#endif
+	    "[%-8.8s] [%-12.12s]"
+#if _HAVE_UT_HOST
+	    " [%-16.16s]"
+#endif
+	    " [%-15.15s]"
+#if _HAVE_UT_TV
+	    " [%ld]"
+#endif
+	    "\n"
+	    /* The arguments.  */
+#if _HAVE_UT_TYPE
+	    , up->ut_type
+#endif
+#if _HAVE_UT_PID
+	    , up->ut_pid
+#endif
+#if _HAVE_UT_ID
+	    , up->ut_id
+#endif
+	    , up->ut_user, up->ut_line
+#if _HAVE_UT_HOST
+	    , up->ut_host
+#endif
+#if _HAVE_UT_TV
+	    , 4 + ctime (&temp_tv.tv_sec)
+	    , (long int) temp_tv.tv_usec
+#else
+	    , 4 + ctime (&up->ut_time)
+#endif
+	   );
+}
+
+int
+main (int argc, char *argv[])
+{
+  struct utmp *up;
+
+  if (argc > 1)
+    utmpname (argv[1]);
+
+  setutent ();
+
+  while ((up = getutent ()))
+    print_entry (up);
+
+  endutent ();
+
+  return EXIT_SUCCESS;
+}