git: sbin/hammer: Refactor left/right boundary elms in hammer show

[Tomohiro Kusumi]

commit f3c08aaa8e4136d3fd66e2caa7fe45489372f481
Author: Tomohiro Kusumi <kusumi.tomohiro at gmail.com>
Date:   Sat Nov 12 13:11:10 2016 +0900

    sbin/hammer: Refactor left/right boundary elms in hammer show
    
    hammer show doesn't need to pass around pointers to left/right
    boundary elms in every function while walking the B-Tree.
    
    Left/right elms are there to test whether a B-Tree node in
    question fits in boundaries defined by its parent, which means
    that hammer show always requires the right elm be (left+1), but
    not some random elm after the left elm. Because of this, it
    only needs to pass around the left elm.
    
    The code is more efficient plus look better without bunch of
    left/right stuff.

Summary of changes:
 sbin/hammer/cmd_show.c | 89 ++++++++++++++++++++------------------------------
 1 file changed, 35 insertions(+), 54 deletions(-)

http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/f3c08aaa8e4136d3fd66e2caa7fe45489372f481


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