Re: Problem with sh/bash and snapshot cygwin1-20050825.dll

[Christopher Faylor <cgf-no-personal-reply-please at cygwin dot com>]

On Fri, Aug 26, 2005 at 02:56:46PM +0000, Eric Blake wrote:
>> 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.

linux leaves the buffer alone, as far as I can tell.

cgf

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