Diffstat (limited to 'pwmanager/pwmanager/randomizer.h') (more/less context) (show whitespace changes)
-rw-r--r-- | pwmanager/pwmanager/randomizer.h | 39 |
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 @@ | |||
11 | 11 | ||
12 | /*************************************************************************** | 12 | /*************************************************************************** |
13 | * copyright (C) 2004 by Ulf Schenk | 13 | * copyright (C) 2004 by Ulf Schenk |
14 | * This file is originaly based on version 1.0.1 of pwmanager | 14 | * This file is originaly based on version 2.0 of pwmanager |
15 | * and was modified to run on embedded devices that run microkde | 15 | * and was modified to run on embedded devices that run microkde |
16 | * | 16 | * |
17 | * $Id$ | 17 | * $Id$ |
18 | **************************************************************************/ | 18 | **************************************************************************/ |
19 | 19 | ||
20 | #ifndef RANDOMIZER_H | 20 | #ifndef __RANDOMIZER_H |
21 | #define RANDOMIZER_H | 21 | #define __RANDOMIZER_H |
22 | 22 | ||
23 | #include "pwmexception.h" | 23 | #include "pwmexception.h" |
24 | 24 | ||
25 | #include <stdio.h> | 25 | #ifndef PWM_EMBEDDED |
26 | #include <qmutex.h> | ||
27 | #endif | ||
28 | |||
29 | #include <string> | ||
30 | |||
31 | using std::string; | ||
32 | |||
33 | class QFile; | ||
26 | 34 | ||
27 | /** simple randomizer | 35 | /** Randomizer to get random values. |
28 | * This class is *NOT* reentrant save! | 36 | * This class is thread-safe. |
37 | * You should always use the instance returned by | ||
38 | * obj() to use it. | ||
29 | */ | 39 | */ |
30 | class Randomizer | 40 | class Randomizer |
31 | { | 41 | { |
@@ -52,16 +62,25 @@ public: | |||
52 | char genRndChar(); | 62 | char genRndChar(); |
53 | /** generate random int */ | 63 | /** generate random int */ |
54 | int genRndInt(); | 64 | int genRndInt(); |
55 | /** generate random unsigned int */ | 65 | /** generate a random unsigned int */ |
56 | unsigned int genRndUInt(); | 66 | unsigned int genRndUInt(); |
57 | 67 | ||
68 | /** returns a buffer with random data */ | ||
69 | string genRndBuf(size_t len); | ||
70 | /** returns a buffer with random data */ | ||
71 | void genRndBuf(unsigned char *buf, size_t len); | ||
72 | |||
58 | protected: | 73 | protected: |
59 | /** random-device-node (if available. Otherwise NULL) */ | 74 | /** random-device-node (if available. Otherwise NULL) */ |
60 | FILE *rndDev; | 75 | QFile *rndDev; |
76 | #ifndef PWM_EMBEDDED | ||
77 | /** mutex for accessing the public functions thread-save */ | ||
78 | QMutex mutex; | ||
79 | #endif | ||
61 | /** seed value for fallback - rand_r() */ | 80 | /** seed value for fallback - rand_r() */ |
62 | unsigned int seed; | 81 | unsigned int seed; |
63 | /** static Randomier object returned by obj() */ | 82 | /** static Randomizer object returned by obj() */ |
64 | static Randomizer *rndObj; | 83 | static Randomizer *rndObj; |
65 | }; | 84 | }; |
66 | 85 | ||
67 | #endif | 86 | #endif // __RANDOMIZER_H |