rstat_timeval: Different type from timeval on 64-bit platforms

[Xin LI]

Dear folks,

During my recent overhaul of our code I found that rstat_timeval
(defined in include/rpcsvc/rstat.h) did the following:

%%%
struct rstat_timeval {
	u_int tv_sec;
	u_int tv_usec;
};
%%%

While we have timeval defined as:

%%%
struct timeval {
	long	tv_sec;
	suseconds_t	tv_usec;
};
%%%

And we have some potentially incorrect code, which directly cast
rstat_timeval* into timeval*, which will finally cause some wasted data
overwritten on other places.

Is there any reason rstat_timeval is not an alias of timeval?  Is this
for backward compatibility or inter-operation with other operating
systems?

Thanks in advance!

Cheers,
-- 
Xin LI <delphij delphij net>  http://www.delphij.net/
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