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| author | Mike Buland <eichlan@xagasoft.com> | 2012-05-22 17:15:40 +0000 |
|---|---|---|
| committer | Mike Buland <eichlan@xagasoft.com> | 2012-05-22 17:15:40 +0000 |
| commit | ce793e31f387c0715fa5b50c20e06510cc3e95ff (patch) | |
| tree | 5b15972bdcbe7a26933e8158f52b29fb014dc421 /src/experimental/randomsystem.cpp | |
| parent | 2295579eb790d6eff6e54e84c01da6de10809a71 (diff) | |
| download | libbu++-ce793e31f387c0715fa5b50c20e06510cc3e95ff.tar.gz libbu++-ce793e31f387c0715fa5b50c20e06510cc3e95ff.tar.bz2 libbu++-ce793e31f387c0715fa5b50c20e06510cc3e95ff.tar.xz libbu++-ce793e31f387c0715fa5b50c20e06510cc3e95ff.zip | |
Moved random to stable, just needs some minor tweaks. But it's already in use
in a couple of core components, including in tempFile name generation.
Diffstat (limited to 'src/experimental/randomsystem.cpp')
| -rw-r--r-- | src/experimental/randomsystem.cpp | 40 |
1 files changed, 0 insertions, 40 deletions
diff --git a/src/experimental/randomsystem.cpp b/src/experimental/randomsystem.cpp deleted file mode 100644 index 0501587..0000000 --- a/src/experimental/randomsystem.cpp +++ /dev/null | |||
| @@ -1,40 +0,0 @@ | |||
| 1 | #include "bu/randomsystem.h" | ||
| 2 | #include "bu/file.h" | ||
| 3 | |||
| 4 | Bu::RandomSystem::RandomSystem( Type eType ) : | ||
| 5 | eType( eType ), | ||
| 6 | pSrc( 0 ) | ||
| 7 | { | ||
| 8 | switch( eType ) | ||
| 9 | { | ||
| 10 | case Bu::RandomSystem::Fast: | ||
| 11 | pSrc = new Bu::File("/dev/urandom", Bu::File::Read ); | ||
| 12 | break; | ||
| 13 | |||
| 14 | case Bu::RandomSystem::Good: | ||
| 15 | pSrc = new Bu::File("/dev/random", Bu::File::Read ); | ||
| 16 | break; | ||
| 17 | } | ||
| 18 | } | ||
| 19 | |||
| 20 | Bu::RandomSystem::~RandomSystem() | ||
| 21 | { | ||
| 22 | delete pSrc; | ||
| 23 | } | ||
| 24 | |||
| 25 | void Bu::RandomSystem::seed( int32_t /*iSeed*/ ) | ||
| 26 | { | ||
| 27 | // Seed really has no effect here... | ||
| 28 | // on linux, if we were root, we could write data to random/urandom to | ||
| 29 | // perturb the data, but it's not necesarry | ||
| 30 | } | ||
| 31 | |||
| 32 | int32_t Bu::RandomSystem::rand() | ||
| 33 | { | ||
| 34 | if( !pSrc ) | ||
| 35 | throw Bu::ExceptionBase("Not initialized"); | ||
| 36 | int32_t i; | ||
| 37 | pSrc->read( &i, sizeof(int32_t) ); | ||
| 38 | return i; | ||
| 39 | } | ||
| 40 | |||
