1 files changed, 29 insertions, 10 deletions

diff --git a/pwmanager/pwmanager/randomizer.h b/pwmanager/pwmanager/randomizer.h
index db17334..5eb02f1 100644
--- a/pwmanager/pwmanager/randomizer.h
+++ b/pwmanager/pwmanager/randomizer.h
@@ -11,21 +11,31 @@
 
 /***************************************************************************
  * copyright (C) 2004 by Ulf Schenk
- * This file is originaly based on version 1.0.1 of pwmanager
+ * This file is originaly based on version 2.0 of pwmanager
  * and was modified to run on embedded devices that run microkde
  *
  * $Id$
  **************************************************************************/  
 
-#ifndef RANDOMIZER_H
-#define RANDOMIZER_H
+#ifndef __RANDOMIZER_H
+#define __RANDOMIZER_H
 
 #include "pwmexception.h"
 
-#include <stdio.h>
+#ifndef PWM_EMBEDDED
+#include <qmutex.h>
+#endif
+
+#include <string>
+
+using std::string;
+
+class QFile;
 
-/** simple randomizer 
-  * This class is *NOT* reentrant save!
+/** Randomizer to get random values.
+  * This class is thread-safe.
+  * You should always use the instance returned by
+  * obj() to use it.
   */
 class Randomizer
 {
@@ -52,16 +62,25 @@ public:
         char genRndChar();
         /** generate random int */
         int genRndInt();
-        /** generate random unsigned int */
+        /** generate a random unsigned int */
         unsigned int genRndUInt();
 
+        /** returns a buffer with random data */
+        string genRndBuf(size_t len);
+        /** returns a buffer with random data */
+        void genRndBuf(unsigned char *buf, size_t len);
+
 protected:
         /** random-device-node (if available. Otherwise NULL) */
-        FILE *rndDev;
+        QFile *rndDev;
+#ifndef PWM_EMBEDDED
+        /** mutex for accessing the public functions thread-save */
+        QMutex mutex;
+#endif
         /** seed value for fallback - rand_r() */
         unsigned int seed;
-        /** static Randomier object returned by obj() */
+        /** static Randomizer object returned by obj() */
         static Randomizer *rndObj;
 };
 
-#endif
+#endif // __RANDOMIZER_H