Subj : Re: overflow in C
To   : comp.programming
From : Christian Christmann
Date : Wed Sep 21 2005 10:50 pm

> To be clear: signed type conversions like char a = 130;, someChar =
> someBigInt, or (char)someBigInt; are all implementation defined. unsigned
> conversions work the way you'd hope.
[...]
> A compiler is free to emit warnings on this (and should), but it must
> also compile it.  Implementation defined behavior does not give the
> compiler enough latitude to abort compilation (see 4 #3).

Thank you very much. This was an illuminating answer and help
me a lot.

Regards,
Chris

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