2009/327 [system_noshell]

[Sumanth Naropanth]

Garrett D'Amore wrote:

>  (If posix_spawn is too hard, then so are the _xv and _x
> versions!)
> 

I'm afraid I missed this comment when I closed the discussion yesterday,
but I'm curious why you think so.

I'd like to share an example on how system_noshell() compares with
posix_spawn() (several people on the alias asked for a real world use
case) before taking this off.

The attached file includes partial code to implement same functionality
(currently using system(3C) in Nevada) with posix_spawn() and
system_noshell(), along with the discussed security enhancements.

-Sumanth
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