random: Replace system random calls with STL #192
Merged
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I hit a deadlock when generate() was calling
syscall(SYS_getrandom, buf, n, 0)
on an embedded system. I went with a standard solution, which cut down on some code and should be more portable. I also removed the apparently unusedgenerate_64()
function. If that function is truly needed, I can update to include it.Tested with gcc on linux, unable to test on windows.