shared memory

[Karl Heuer]

In article <1990Sep24.135530.405 at DRD.Com> mark at DRD.Com (Mark Lawrence) writes:
>[In response to a complaint about code using `strerror()']
>The following thanks to Chris Torek:
>const char     *strerror(int err) { ... }

The prototype is wrong: strerror() returns an unqualified `char *' according
to the ANS.  The characters are *not* constant: out-of-range error values are
stored in a buffer that gets overwritten by subsequent calls.  (Acceptable
behavior, but incompatible with the declaration.)

Karl W. Z. Heuer (karl at kelp.ima.isc.com or ima!kelp!karl), The Walking Lint