[LTP] [PATCH 3/4] RFC: Add rtnetlink helper library

[Cyril Hrubis <chrubis@suse.cz>]

Hi!
> > You are calling safe_realloc() here yet you check the return value. And
> > it's the same for safe_malloc(), safe_bind(), safe_socket() and a few
> > more in the code.
> > 
> > So either we get rid of the error checks and of the error
> > propagation or we avoid using safe_ variants.
> 
> Both rtnetlink and netdevice management functions will be called in
> cleanup() so I have to assume that the safe functions will only print a
> warning instead of terminating the program. But I still want to use the
> error reporting code in the safe functions.

Right, I've realized that too, we have to return to the caller in that
case to carry on with the cleanup.

> > Other than that the code looks sane but it's hard to review the API
> > without an example that would excersize it. What about adding something
> > simple in newlib_tests?
> 
> There are short examples for both rtnetlink and netdevice management in
> the cover letter. The netdevice library itself is also a detailed
> example for the rtnetlink API. The final patchset will include the
> SADDNS CVE test which will use most of the netdevice management
> functions in setup().

Ah I've missed that. We should add it somewhere to the doc/ directory
since the cover letter would end up burried in the mailing list history.

-- 
Cyril Hrubis
chrubis@suse.cz