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Date: Mon, 24 Jan 2005 00:16:56 +0300
From: Andrey Chernov <ache@nagual.pp.ru>
To: Giorgos Keramidas <keramida@FreeBSD.ORG>
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cc: Joerg Wunsch <joerg_wunsch@uriah.heep.sax.de>
cc: current@FreeBSD.ORG
Subject: Re: Implementation errors in strtol()
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On Sun, Jan 23, 2005 at 04:30:24PM +0200, Giorgos Keramidas wrote:
> Why would checking for explicit errno values be necessary?  IIRC, after
> a few emails I had exchanged with Dima Dorfman a few months ago,
> checking for endptr *and* errno != 0 was ok.

_Portable_ application must suppose that not all OSes are POSIX 
conformant, so it can't be sure what errno comes from strtol(), it is why 
explicit checking for known value is needed.

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