On Tue, 14 Oct 2003, Alex Vinokur wrote: > # ------ man clock (fragments) ------ > # RETURNS > # The amount of processor time used so far by your program, in units > # defined by the machine-dependent macro `CLOCKS_PER_SEC'. > # If no measurement is available, the result is `-1'. > > So, clock() is unsigned and never returns -1 (?!) > > If one must write > ---------------------------------- > if (!(clock () == (clock_t)(-1))); > ---------------------------------- > I think it is worth noting that in the manual.
The above is always good practice anyway. Besides, it seems they do it this way in a few other places as well: <http://www.hmug.org/man/3/clock.html> <http://www.rocketaware.com/man/man3/clock.3.htm> <http://developer.apple.com/documentation/Darwin/Reference/ManPages/html/clock.3.html> <http://www-sbras.nsc.ru/cgi-bin/www/unix_help/unix-man?clock+3> <http://pluto.iis.nsk.su/cgi-bin/man-cgi?clock+3> IOW, this is not Cygwin specific. FWIW, you're welcome to submit a patch to the cygwin-doc package. Igor -- http://cs.nyu.edu/~pechtcha/ |\ _,,,---,,_ [EMAIL PROTECTED] ZZZzz /,`.-'`' -. ;-;;,_ [EMAIL PROTECTED] |,4- ) )-,_. ,\ ( `'-' Igor Pechtchanski, Ph.D. '---''(_/--' `-'\_) fL a.k.a JaguaR-R-R-r-r-r-.-.-. Meow! "I have since come to realize that being between your mentor and his route to the bathroom is a major career booster." -- Patrick Naughton -- Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple Problem reports: http://cygwin.com/problems.html Documentation: http://cygwin.com/docs.html FAQ: http://cygwin.com/faq/
