David Collier-Brown davecb at
Fri Mar 10 17:31:46 GMT 2000

James Sutherland wrote:
> Agreed. Essentially, at present crypt() CAN return NULL to us under some
> circumstances, so we MUST handle this gracefully. Either that, or provide
> our own crypt() which does not return NULL under any circumstances?

	The spec actually says "Otherwise it  returns a null pointer
	and sets errno to indicate the error", and the errno
	that's expected is ENOSYS, for  "I don't have crypt".
	As long as an implementor uses a different errno for different
	failures, we'll survive it.

David Collier-Brown,  | Always do right. This will gratify some people
185 Ellerslie Ave.,   | and astonish the rest.        -- Mark Twain
Willowdale, Ontario   | //
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