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Re: [PATCH] [merge-tracking]clarity fix for subversion/libsvn_subr/mergeinfo.c

From: Daniel Berlin <dberlin_at_dberlin.org>
Date: 2006-07-12 09:37:59 CEST

Kamesh Jayachandran wrote:
> Hi All,
> Find the attached patch.
> With regards
> Kamesh Jayachandran
> [[[
> Patch by: Kamesh Jayachandran <kamesh@collab.net>
> Code clarity fix.
> * subversion/libsvn_subr/mergeinfo.c
> (rangelist_intersect_or_remove):
> If elt2 and elt1 intersect(Not 'contains'(As 'contains' is a special case
> of 'intersect')), 'elt1->start < elt2->start' and '(elt1->end >
> elt2->end)'
> are mutually exclusive conditions which can be represented as 'if...else'
> block rather than subsequent 'if...if' block.

So, for the code that's there, this is wrong.


elt1 == 5, 9
elt2 == 6, 8

These intersect, and we have elt1->start < elt2->start && elt1->end >
So they aren't mutually exclusive conditions.

However, we only check whether elt2 contains elt1 (search for
range_contains), not the other way around, so this patch would change
the semantics in the case that range_contains (elt1, elt2), like above.


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Received on Wed Jul 12 09:39:09 2006

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