mktime() failure vs 31-DEC-1969 23:59:59 GMT

[J.T. Conklin]

>>>>> "Roland" == Roland McGrath <roland at gnu.ai.mit.edu> writes:
Roland> The standard way in ANSI C to detect errors when the return value is
Roland> ambiguous is using `errno':

I don't think this technique will work, mktime() is not specified to
set errno.

	--jtc