From:	Jason Green <mail AT jgreen4 DOT fsnet DOT co DOT uk>
To:	Eli Zaretskii <eliz AT is DOT elta DOT co DOT il>
Cc:	lauras AT softhome DOT net, djgpp-workers AT delorie DOT com
Subject:	Re: Symify fixes
Date:	Thu, 31 Aug 2000 19:12:54 +0100
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References:	<3b5rqskv9adg5lcc3p4nhg2doib859r3n8 AT 4ax DOT com> <Pine DOT SUN DOT 3 DOT 91 DOT 1000831074644 DOT 20860E-100000 AT is>
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Reply-To:	djgpp-workers AT delorie DOT com

On Thu, 31 Aug 2000 07:47:13 +0300 (IDT), you wrote:

> The portable way to check for errno is to set it to zero before the
> call to a function, then see if it is still zero after the function
> returns.

Actually no, a system call can legally set errno even if no error
occured.  Portability isn't important for symify though.

> > I don't see how it is possible to give more specific error messages,
> 
> I meant to say that adding strerror will result in more specific error
> messages.  Saying "read error: Bad file descriptor" is more
> informative than just "read error", IMHO.

ok.
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