Re: [RFC] Treatment of symbolic link

[Jean-Marc Saffroy]

On Sun, 13 Jan 2008, Shigio YAMAGUCHI wrote:

> 2. New Specification
>
> Synbolic link which points to a directory is accepted.
>
> % gtags
> % global -x main
> main                4 a/main.c         main(int argc, char *argv[])
> % ln -s a b
> % gtags
> % global -x main
> main                4 a/main.c         main(int argc, char *argv[])
> main                4 b/main.c         main(int argc, char *argv[])
>
>
> Though I do not remember why to have made it to such a specification,
> maybe it was to avoid parsing a file many times.
> Anyway, I think it is bad specification or a bug.

Maybe you don't want to follow links that go out of the source tree (eg. 
/usr/include or whatever), but then you have to check every path component 
(boring but possible).

But worse, symlinks can create loops:

$ ln -s .. foo


HTH

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