This is the mail archive of the
cygwin
mailing list for the Cygwin project.
Re: Problem with sh/bash and snapshot cygwin1-20050825.dll
- From: ericblake at comcast dot net (Eric Blake)
- To: cygwin at cygwin dot com
- Cc: Christopher Faylor <cgf-no-personal-reply-please at cygwin dot com>
- Date: Fri, 26 Aug 2005 14:56:46 +0000
- Subject: Re: Problem with sh/bash and snapshot cygwin1-20050825.dll
> 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
--
Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple
Problem reports: http://cygwin.com/problems.html
Documentation: http://cygwin.com/docs.html
FAQ: http://cygwin.com/faq/