From 221211d7d04478d74eec9fd76ccd98a73bd394ee Mon Sep 17 00:00:00 2001
From: "W. Felix Handte" <w@felixhandte.com>
Date: Thu, 5 Apr 2018 16:32:40 -0400
Subject: [PATCH] Fix Offset Math

---
 lib/lz4hc.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/lib/lz4hc.c b/lib/lz4hc.c
index 4a52f0c..5479159 100644
--- a/lib/lz4hc.c
+++ b/lib/lz4hc.c
@@ -93,12 +93,13 @@ static void LZ4HC_clearTables (LZ4HC_CCtx_internal* hc4)
 
 static void LZ4HC_init (LZ4HC_CCtx_internal* hc4, const BYTE* start)
 {
-    U32 startingOffset = hc4->end - hc4->base + 64 KB;
+    uptrval startingOffset = hc4->end - hc4->base;
     DEBUGLOG(4, "LZ4HC_init(%p, %p)", hc4, start);
     if (startingOffset > 1 GB || startingOffset > (uptrval)start) {
         MEM_INIT((void*)hc4->hashTable, 0, sizeof(hc4->hashTable));
-        startingOffset = 64 KB;
+        startingOffset = 0;
     }
+    startingOffset += MAX_DISTANCE;
     hc4->nextToUpdate = startingOffset;
     hc4->base = start - startingOffset;
     hc4->end = start;
-- 
2.7.4