the only thing I can think of that cares about the difference would be
programs trying to figure out if an address is acceptable, by doing a
read() or write() from /dev/null to that address, and checking for EFAULT.
I think it'd be worth offering SIGSEGV-on-EFAULT as an option, but libc
does sound like the right place for this.
speaking of off-topic libc wishes, I'd -really- love to have an
environment variable that sets line buffering, or no buffering at all,
as a default (as opposed to the default behaviour of line buffering
on ttys, and full buffering everywhere else). setting an env variable
before piping a program's output is a lot simpler and less wasteful than
using a pty.
--
Roger Espel Llima, espel@llaic.u-clermont1.fr -o)
http://www.eleves.ens.fr:8080/home/espel/index.html /\\
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