Re: Finding absolute path from relative.

[Daniel Jacobowitz <drow@mvista.com>]

On Sun, Sep 28, 2003 at 10:31:11PM -0400, Bob Rossi wrote:
> On Sun, Sep 28, 2003 at 10:25:38PM -0400, Daniel Jacobowitz wrote:
> > On Sun, Sep 28, 2003 at 10:21:28PM -0400, Bob Rossi wrote:
> > > Hi,
> > > 
> > > I am thinking about the algorithm required to find the absolute path to
> > > a source file given the relative path and the output from 'show dir'.
> > > 
> > > Is it really as easy as this,
> > > 
> > > for I in 'show dir' # for each directory in show dir
> > >    if $I/relative_path exists 
> > >       break; # Found absolute path.
> > > 
> > > Or does it get more complex and obfuscated?
> > 
> > Well, often the input file has a specified directory.  That gets tried
> > first.
> > 
> > Anyway, there's a good comment or two about this in the source code...
> 
> Could you get me started in the right direction? ( ex. files of interest )
> 
> Either, I could write an MI command that would take a relative source
> path and convert it into an absolute path, or I could write a function
> in my front end that does the work.
> 
> I personally think an MI command could eventually be more helpful to
> everyone.

source.c:openp.  Then, open_source_file.

-- 
Daniel Jacobowitz
MontaVista Software                         Debian GNU/Linux Developer