Implementation errors in strtol()

[Andrey Chernov]

On Sat, Jan 22, 2005 at 07:40:33AM -0500, Thomas Dickey wrote:
> > Nope.  Just think about it: code which doesn't take this feature into
> > account needs to check for conversion errors by means of verifying
> > endptr.  It simply wouldn't care about errno at all, except for
> 
> That's what I always do - that's the way strtol was first documented.
> Adding errno tweaks on top of that is (as noted) neither portable nor
> necessary.

The story not ends here. After checking endptr you should check for 
overflow, and there you need to consider both cases. See my detailed reply 
to Joerg.

-- 
http://ache.pp.ru/
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