Date: Wed, 10 Jun 2020 02:50:26 +0000 (UTC) From: Doug Moore <dougm@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r361997 - head/sys/sys Message-ID: <202006100250.05A2oQ4v080988@repo.freebsd.org>
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Author: dougm Date: Wed Jun 10 02:50:25 2020 New Revision: 361997 URL: https://svnweb.freebsd.org/changeset/base/361997 Log: Restore an RB_COLOR macro, for the benefit of a bit of DIAGNOSTIC code that depends on it. Reported by: rpokala, mjguzik Reviewed by: markj Differential Revision: https://reviews.freebsd.org/D25204 Modified: head/sys/sys/tree.h Modified: head/sys/sys/tree.h ============================================================================== --- head/sys/sys/tree.h Wed Jun 10 01:32:13 2020 (r361996) +++ head/sys/sys/tree.h Wed Jun 10 02:50:25 2020 (r361997) @@ -333,6 +333,12 @@ struct { \ #define RB_TRUE 1 #define RB_FALSE 0 +/* For debugging support */ +#define RB_COLOR(elm, field) (RB_PARENT(elm, field) == NULL ? RB_FALSE : \ + RB_LEFT(RB_PARENT(elm, field), field) == elm ? \ + RB_RED_LF(RB_PARENT(elm, field), field) : \ + RB_RED_RT(RB_PARENT(elm, field), field) + /* * Something to be invoked in a loop at the root of every modified subtree, * from the bottom up to the root, to update augmented node data.
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