Re: readlink bug?

Sam wrote:

> However, Daniel's point is, IMO, quite solid.  The workaround should
> be in gnulib, not CLISP sources.  We should not have to think about
> this.
>
> Ideally gnulib should provide
>
>        char *gnulib_readlink(char* path);
>
> which will malloc() it's return value (which the caller will free()).
> I don't think the cost of malloc/free is on par with readlink which
> requires disk access.

Actually there seems to be already a gnulib module providing this:

https://www.gnu.org/software/gnulib/MODULES.html#module=areadlink

Though I doubt that gnulib is correcting the issues we have with
/proc here yet. Above module depends on the readlink module:

https://www.gnu.org/software/gnulib/MODULES.html#module=readlink

This is correcting possible trailing slashes on Solaris, but does not
mention /proc in any way. Perhaps we could add the "fix" (retrying
with a bigger buffer) and only include it on specific hosts?

Btw, which system is this appearing on? Only in /proc, right? Wouldn't
it make more sense to retry with a bigger buffer only when the path is
in /proc?

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