arc4random()

[Robert Connolly]

Hello. I have attached a very simple patch to add arc4random() to Bash for 
setting $RANDOM. It does not break the expected behavior of $RANDOM. It 
simply replaces getpid()+gettimeofday() with arc4random(). arc4random() is 
available on all BSD variants, and is used to get random numbers for 
non-cryptographic applications using little or no kernel entropy.

The behavior of being able to set 'RANDOM=1' to get a predictable number is 
unaffected by this patch. Please consider adding this patch so an 
uninitialized $RANDOM variable will be slightly better quality.

robert

bash-3.2-arc4random.diff
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