Diffstat (limited to 'pwmanager/pwmanager/randomizer.h') (more/less context) (ignore whitespace changes)
-rw-r--r-- | pwmanager/pwmanager/randomizer.h | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/pwmanager/pwmanager/randomizer.h b/pwmanager/pwmanager/randomizer.h new file mode 100644 index 0000000..db17334 --- a/dev/null +++ b/pwmanager/pwmanager/randomizer.h | |||
@@ -0,0 +1,67 @@ | |||
1 | /*************************************************************************** | ||
2 | * * | ||
3 | * copyright (C) 2003, 2004 by Michael Buesch * | ||
4 | * email: mbuesch@freenet.de * | ||
5 | * * | ||
6 | * This program is free software; you can redistribute it and/or modify * | ||
7 | * it under the terms of the GNU General Public License version 2 * | ||
8 | * as published by the Free Software Foundation. * | ||
9 | * * | ||
10 | ***************************************************************************/ | ||
11 | |||
12 | /*************************************************************************** | ||
13 | * copyright (C) 2004 by Ulf Schenk | ||
14 | * This file is originaly based on version 1.0.1 of pwmanager | ||
15 | * and was modified to run on embedded devices that run microkde | ||
16 | * | ||
17 | * $Id$ | ||
18 | **************************************************************************/ | ||
19 | |||
20 | #ifndef RANDOMIZER_H | ||
21 | #define RANDOMIZER_H | ||
22 | |||
23 | #include "pwmexception.h" | ||
24 | |||
25 | #include <stdio.h> | ||
26 | |||
27 | /** simple randomizer | ||
28 | * This class is *NOT* reentrant save! | ||
29 | */ | ||
30 | class Randomizer | ||
31 | { | ||
32 | public: | ||
33 | Randomizer(); | ||
34 | ~Randomizer(); | ||
35 | |||
36 | static Randomizer * obj() | ||
37 | { | ||
38 | PWM_ASSERT(rndObj); | ||
39 | return rndObj; | ||
40 | } | ||
41 | static void init() | ||
42 | { | ||
43 | PWM_ASSERT(!rndObj); | ||
44 | rndObj = new Randomizer; | ||
45 | } | ||
46 | static void cleanup() | ||
47 | { | ||
48 | delete_ifnot_null(rndObj); | ||
49 | } | ||
50 | |||
51 | /** generate random char */ | ||
52 | char genRndChar(); | ||
53 | /** generate random int */ | ||
54 | int genRndInt(); | ||
55 | /** generate random unsigned int */ | ||
56 | unsigned int genRndUInt(); | ||
57 | |||
58 | protected: | ||
59 | /** random-device-node (if available. Otherwise NULL) */ | ||
60 | FILE *rndDev; | ||
61 | /** seed value for fallback - rand_r() */ | ||
62 | unsigned int seed; | ||
63 | /** static Randomier object returned by obj() */ | ||
64 | static Randomizer *rndObj; | ||
65 | }; | ||
66 | |||
67 | #endif | ||