1 files changed, 102 insertions, 0 deletions
diff --git a/login/utmp_db.c b/login/utmp_db.c
new file mode 100644
index 0000000000..2c5baf6592
--- /dev/null
+++ b/login/utmp_db.c
@@ -0,0 +1,102 @@
+/* Copyright (C) 1996 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 <db.h>
+#include <fcntl.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <utmp.h>
+#include <sys/stat.h>
+
+#include "utmp-private.h"
+
+
+/* This is the default name.  */
+static const char default_file_name[] = _PATH_UTMP_DB;
+
+/* Current file name.  */
+static const char *file_name = (const char *) default_file_name;
+
+/* Descriptor for database.  */
+static DB *db_fd;
+static char last_date[16];
+
+
+/* Our local functions.  */
+static int setutent_db (int reset);
+static void endutent_db (void);
+static int utmpname_db (const char *name);
+
+
+/* The jump table for the local functions.  */
+struct utfuncs __libc_utmp_db_functions =
+{
+  setutent_db,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  endutent_db,
+  utmpname_db
+};
+
+
+static int
+setutent_db (int reset)
+{
+  return 0;
+}
+
+
+static void
+endutent_db (void)
+{
+}
+
+
+static int
+utmpname_db (const char *name)
+{
+  if (strcmp (name, file_name) != 0)
+    {
+      if (strcmp (name, default_file_name) == 0)
+	{
+	  if (file_name != default_file_name)
+	    free ((char *) file_name);
+
+	  file_name = default_file_name;
+	}
+      else
+	{
+	  char *new_name = __strdup (name);
+	  if (new_name == NULL)
+	    /* Out of memory.  */
+	    return -1;
+
+	  if (file_name != default_file_name)
+	    free ((char *) file_name);
+
+	  file_name = new_name;
+	}
+    }
+  return 0;
+}