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[scudo][standalone] Consolidate lists

Authored by cryptoad on Oct 28 2019, 9:25 AM.

Description

[scudo][standalone] Consolidate lists

Summary:
This is a clean patch using the last diff of D69265, but using git
instead of svn, since svn went ro and arc was making my life harded
than it needed to be.

I was going to introduce a couple more lists and realized that our
lists are currently a bit all over the place. While we have a singly
linked list type relatively well defined, we are using doubly linked
lists defined on the fly for the stats and for the secondary blocks.

This CL adds a doubly linked list object, reorganizing the singly list
one to extract as much of the common code as possible. We use this
new type in the stats and the secondary. We also reorganize the list
tests to benefit from this consolidation.

There are a few side effect changes such as using for iterator loops
that are, in my opinion, cleaner in a couple of places.

Reviewers: hctim, morehouse, pcc, cferris

Reviewed By: hctim

Subscribers: jfb, #sanitizers, llvm-commits

Tags: #sanitizers, #llvm

Differential Revision: https://reviews.llvm.org/D69516

Details

Committed
hctimOct 28 2019, 9:34 AM
Reviewer
hctim
Differential Revision
D69516: [scudo][standalone] Consolidate lists
Parents
rG93a3128a67cc: Remove extra ';'. NFCI.
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