Unix Programming - Re: PATH

Author

Re: PATH_MAX

Henry Townsend

2007-06-24, 7:07 pm

Casper H.S. Dik wrote:
> phil-news-nospam@ipal.net writes:
>
>
> PATH_MAX is the maximum size of a pathname argument to a system call;
> most POSIX systems allow a virtually unlimited pathname depth.
>
> (For testing "rm -rf" we routinely use directory tree depths of 10K or 20K
> with a pathname length of possible 5MB for Solaris; PATH_MAX is only 1K

Is this what your family of *at() (e.g. openat()) functions are for?
I've been wondering for a while now.

HT

Casper H.S. Dik

2007-06-24, 7:07 pm

Henry Townsend <henry.townsend@not.here> writes:

>Casper H.S. Dik wrote:
[color=darkred]
>Is this what your family of *at() (e.g. openat()) functions are for?
>I've been wondering for a while now.

It's in part what they are used for. Solaris 10 rm still uses chdir();
but the latest rm uses *at() functions.

But the original motivation for the *at() functions was for accessing files
in attribute directories.

Casper
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