[lttng-dev] [lttng-tools PATCH 3/4] Correct the behavior of the utils_expand_path function

[mathieu.desnoyers@efficios.com (Mathieu Desnoyers)]

----- Original Message -----
> From: "Rapha?l Beamonte" <raphael.beamonte@gmail.com>
> To: "Mathieu Desnoyers" <mathieu.desnoyers at efficios.com>
> Cc: "David Goulet" <dgoulet at efficios.com>, lttng-dev at lists.lttng.org
> Sent: Wednesday, November 13, 2013 10:27:03 PM
> Subject: Re: [lttng-dev] [lttng-tools PATCH 3/4] Correct the behavior of the utils_expand_path function
> 
> > I might be missing something, but how about, instead:
> >
> > 1) if path start with /, directly pass it to realpath()
> > 2) if path does not start with /, prepend getcwd() to it, and then call
> > realpath() on the result.
> >
> > If we can do the same result as this patch without reimplementing tricky
> > string handling, we should really aim for re-using existing libraries.
> >
> > Thoughts ?
> 
> Hello Mathieu,
> 
> Thing is realpath only works if the path exists (realpath(3)). I
> perhaps want to give as argument an absolute path that does not exist,
> or a path containing strings such as '../' or './'. In such cases,
> realpath would do no good, and if we don't accept to use unexisting
> paths, then there is no point in using a recursive mkdir.
> If fact, if realpath would work in such cases, using an 'if' would not
> even be necessary, we could just call realpath and let it resolve the
> current directory if necessary.
> 
> Hope it helps to understand,

Yes, it does, thank you!

Mathieu

> 
> Rapha?l
> 

-- 
Mathieu Desnoyers
EfficiOS Inc.
http://www.efficios.com