calendar, egrep, and unmonitored reads

[Jim Thompson]

castor at embezzle.stanford.edu (Castor Fu) writes:

>I discovered today, (maybe you did to. . . . ) that the stock 
>egrep on ultrix 3.1 has a small (256??) limit on it's pattern buffer.

>Normally this is not a huge problem, but today, calendar generated
>388 characters of patterns and egrep managed to stomp on itself in
>a way which caused it to use memory until it exhausted itself.

>Hopefully no one has egrep running in some setuid shellscript where
>the pattern file is mungable. . . . .

>I guess I will modify calendar to use GNU egrep. . . . 

>	castor fu
>	castor at fizzle.stanford.edu

I discovered the same problem today. If you find a solution,
please let me know.
Thanks.
-- sudha at kbesrl.me.uiuc.edu