extracted utility functions into util.c, use utility functions where possible,

add sample output to each screen function

clients/lcdproc/util.h

@@ -0,0 +1,45 @@
+/******************************************************************************
+*
+*  util.h - header file for util.c
+*  Copyright (C) 2005  Peter Marschall
+*
+*  ---
+*
+*  This program is free software; you can redistribute it and/or
+*  modify it under the terms of the GNU General Public License
+*  as published by the Free Software Foundation; either version 2
+*  of the License, or (at your option) any later version.
+* 
+*  This program 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 General Public License for more details.
+* 
+*  You should have received a copy of the GNU General Public License
+*  along with this program; if not, write to the Free Software
+*  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+*
+*  ---
+* 
+*  $Source$
+*  $Revision$
+*  Checked in by: $Author$
+*
+*******************************************************************************/
+
+
+#ifndef LCDPROC_UTIL_H
+# define LCDPROC_UTIL_H
+
+#include <stdio.h>
+#include <string.h>
+
+/** print a memory value with the correct unit to a given string */
+char *sprintf_memory(char *dst, double value, double roundlimit);
+
+/** print a percentage value to a given string */
+char *sprintf_percent(char *dst, double percent);
+
+#endif /* LCDPROC_UTIL_H */
+
+/* EOF */