diff options
Diffstat (limited to 'src/random.h')
| -rw-r--r-- | src/random.h | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/src/random.h b/src/random.h index ea88670a37..1d6b13a537 100644 --- a/src/random.h +++ b/src/random.h @@ -11,6 +11,7 @@ #include <uint256.h> #include <stdint.h> +#include <limits> /* Seed OpenSSL PRNG with additional entropy data */ void RandAddSeed(); @@ -32,7 +33,7 @@ void RandAddSeedSleep(); /** * Function to gather random data from multiple sources, failing whenever any - * of those source fail to provide a result. + * of those sources fail to provide a result. */ void GetStrongRandBytes(unsigned char* buf, int num); @@ -121,6 +122,12 @@ public: /** Generate a random boolean. */ bool randbool() { return randbits(1); } + + // Compatibility with the C++11 UniformRandomBitGenerator concept + typedef uint64_t result_type; + static constexpr uint64_t min() { return 0; } + static constexpr uint64_t max() { return std::numeric_limits<uint64_t>::max(); } + inline uint64_t operator()() { return rand64(); } }; /* Number of random bytes returned by GetOSRand. |