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Date: Mon, 24 Jan 2005 01:30:09 +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 Mon, Jan 24, 2005 at 12:16:30AM +0200, Giorgos Keramidas wrote:
> If errno is explicitly set (i.e. zeroed) by the calling program
> immediately before strtol(), can we not be sure that it was, in fact,
> strtol() that set it to any non-zero value?

Portable application can't be sure to not get surprise errno values. 
POSIX-conformant application, contrarily, can. Portability and standards 
conformance are different things.

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