mirror of https://github.com/bsnes-emu/bsnes.git
31 lines
805 B
C++
31 lines
805 B
C++
#ifndef NALL_WINDOWS_GUID_HPP
|
|
#define NALL_WINDOWS_GUID_HPP
|
|
|
|
#include <nall/random.hpp>
|
|
#include <nall/string.hpp>
|
|
|
|
namespace nall {
|
|
|
|
//generate unique GUID
|
|
inline string guid() {
|
|
LinearFeedbackShiftRegisterGenerator lfsr;
|
|
lfsr.seed(time(nullptr));
|
|
for(unsigned n = 0; n < 256; n++) lfsr();
|
|
|
|
string output;
|
|
for(unsigned n = 0; n < 4; n++) output.append(hex(lfsr(), 2L));
|
|
output.append("-");
|
|
for(unsigned n = 0; n < 2; n++) output.append(hex(lfsr(), 2L));
|
|
output.append("-");
|
|
for(unsigned n = 0; n < 2; n++) output.append(hex(lfsr(), 2L));
|
|
output.append("-");
|
|
for(unsigned n = 0; n < 2; n++) output.append(hex(lfsr(), 2L));
|
|
output.append("-");
|
|
for(unsigned n = 0; n < 6; n++) output.append(hex(lfsr(), 2L));
|
|
return {"{", output, "}"};
|
|
}
|
|
|
|
}
|
|
|
|
#endif
|