diff options
Diffstat (limited to 'src/helperfuncs.cpp')
-rw-r--r-- | src/helperfuncs.cpp | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/src/helperfuncs.cpp b/src/helperfuncs.cpp index bba8dc8dc..66a84bbce 100644 --- a/src/helperfuncs.cpp +++ b/src/helperfuncs.cpp @@ -411,3 +411,31 @@ void InspIRCd::AddExtBanChar(char c) tok.insert(ebpos, 1, c); } } + +std::string InspIRCd::GenRandomStr(int length, bool printable) +{ + char* buf = new char[length]; + GenRandom(buf, length); + std::string rv; + rv.resize(length); + for(int i=0; i < length; i++) + rv[i] = printable ? 0x3F + (buf[i] & 0x3F) : buf[i]; + delete[] buf; + return rv; +} + +// NOTE: this has a slight bias for lower values if max is not a power of 2. +// Don't use it if that matters. +unsigned long InspIRCd::GenRandomInt(unsigned long max) +{ + unsigned long rv; + GenRandom((char*)&rv, sizeof(rv)); + return rv % max; +} + +// This is overridden by a higher-quality algorithm when SSL support is loaded +void GenRandomHandler::Call(char *output, size_t max) +{ + for(unsigned int i=0; i < max; i++) + output[i] = random(); +} |