> While testing ksh93u+m's recently added SRANDOM variable[1], I have > discovered a bug in Cygwin's arc4random function. After using fork(), > arc4random does not reseed itself, which causes the results to become > predictable[2]. Below is a test case C program exhibiting the bug: > > ... > > [1]: https://github.com/ksh93/ksh/commit/00b296c > [2]: https://github.com/ksh93/ksh/issues/711
FYI: There was a thread in Nov 2023 about rand() which might be related. rand is not ISO C compliant in Cygwin https://cygwin.com/pipermail/cygwin/2023-November/254735.html conclusion of that thread: https://cygwin.com/pipermail/cygwin/2023-November/254764.html -- Problem reports: https://cygwin.com/problems.html FAQ: https://cygwin.com/faq/ Documentation: https://cygwin.com/docs.html Unsubscribe info: https://cygwin.com/ml/#unsubscribe-simple
