kio_sftp rewrite

[Christoph Bartoschek]

Am Montag 10 August 2009 schrieb Albert Astals Cid:
> > Asunto: Re: kio_sftp rewrite
> >
> > -0400, Ben Boeckel wrote:
> > > free() [....] should not crash on NULL
> >
> > wrong
>
> Not wrong:
> [1] Linux: If ptr is NULL, no operation is performed.
> [2] SCO: If ptr is a null pointer, no action occurs
> [3] Microsoft: If memblock is NULL, the pointer is ignored and free
> immediately returns. [4] FreeBSD: If ptr is NULL, no action occurs.
>

It's even required by POSIX:

http://www.opengroup.org/onlinepubs/7990989775/xsh/free.html

Christoph