API nlmsg_append() suggestion

[Thomas Graf]

On Sat, May 14, 2011 at 08:39:21PM +0200, Kike wrote:
> Hi,
> 
> I would like to ask if
> /int nlmsg_append(struct nl_msg *n, void *data, size_t len, int pad)/
> 
> should/could be
> /int nlmsg_append(struct nl_msg *n, *const* void *data, size_t len, int pad)/
> 
> What do you think?

Absolutely, there is tons of arguments which could be constified
and this is a very good example.

Work like this is currently not in front of my todo list but I will
be happy to accept patches as long as they do not break API/ABI.