Subject: Re: Problem with sh/bash and snapshot cygwin1-20050825.dll
From: [email-masked] (Eric Blake)
To: [email-masked]
Cc: Christopher Faylor <[email-masked]>
Date: Fri, 26 Aug 2005 14:56:46 +0000

> On Fri, Aug 26, 2005 at 06:17:13AM -0600, Eric Blake wrote:
> >While you're at it, fix realpath(NULL, buf) to set buf[0]='\0', instead of
> >leaving garbage there.
> 
> What's the rationale for touching buf when realpath is returning an error
> and setting EINVAL?

Because POSIX states that buf is indeterminate on error, and
because Corrina's patch caused a regression (ie. 1.5.18 was
setting buf[0] to 0 on error).  QofI states that we might as
well make the indeterminate buffer useful, in case a user
forgets to check the return value being NULL.

--
Eric Blake

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