From 5bd3d4b7d2dc660a25fe14e4d966ac947ac7b5c5 Mon Sep 17 00:00:00 2001
From: "W. Felix Handte" <w@felixhandte.com>
Date: Thu, 21 Jun 2018 15:25:44 -0400
Subject: [PATCH] Add Debug Log Statement

---
 lib/compress/zstd_opt.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/lib/compress/zstd_opt.c b/lib/compress/zstd_opt.c
index 3f7023f78..7bd7941d8 100644
--- a/lib/compress/zstd_opt.c
+++ b/lib/compress/zstd_opt.c
@@ -679,6 +679,8 @@ U32 ZSTD_insertBtAndGetAllMatches (
 
             if (matchLength > bestLength) {
                 matchIndex = dictMatchIndex + dmsIndexDelta;
+                DEBUGLOG(8, "found dms match of length %u at distance %u (offCode=%u)",
+                        (U32)matchLength, current - matchIndex, current - matchIndex + ZSTD_REP_MOVE);
                 if (matchLength > matchEndIdx - matchIndex)
                     matchEndIdx = matchIndex + (U32)matchLength;
                 bestLength = matchLength;