[Gllug] Off Topic: C File Descriptors

[Daniel P. Berrange]

On Sun, Mar 09, 2008 at 11:55:45PM +0000, Tethys wrote:
> --------
> 
> salsaman at xs4all.nl writes:
> 
> >> /include/linux/limits.h defines the max path length as 4096
> >
> >Hmmm...it must have increased since I last looked...:-/
> 
> ...which is exactly why you should be use PATH_MAX rather than
> a hardcoded number!

NB, POSIX does *not*  require PATH_MAX to be defined. If the OS supports
an "unlimited" filename length, then PATH_MAX won't be defined at all.
If practical best to avoid static limits altogether and only use PATH_MAX
if you explicitly want/need to enforce a limit for some reason.

Dan.
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