From cf2f06a6c5046ef7d576bc8ad210c3f2efe1f401 Mon Sep 17 00:00:00 2001
From: test4973 <Kdo4973@hotmail.com>
Date: Mon, 9 Apr 2018 17:08:17 -0700
Subject: [PATCH] fixed minor conversion warning

ptr diff -> U32
---
 lib/lz4.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/lib/lz4.c b/lib/lz4.c
index 3db37b0..a3c2860 100644
--- a/lib/lz4.c
+++ b/lib/lz4.c
@@ -717,9 +717,10 @@ LZ4_FORCE_INLINE int LZ4_compress_generic(
             unsigned searchMatchNb = acceleration << LZ4_skipTrigger;
             do {
                 U32 const h = forwardH;
-                U32 const current = forwardIp - base;
+                U32 const current = (U32)(forwardIp - base);
                 U32 matchIndex = LZ4_getIndexOnHash(h, cctx->hashTable, tableType);
                 assert(matchIndex <= current);
+                assert(forwardIp - base < (ptrdiff_t)(2 GB - 1));
                 ip = forwardIp;
                 assert(searchMatchNb >= (1<<LZ4_skipTrigger));
                 forwardIp += (searchMatchNb++ >> LZ4_skipTrigger);