From 3840399f194963e367eb9ea708a2c31f013534c9 Mon Sep 17 00:00:00 2001
From: Guolin Ke <guolin.ke@outlook.com>
Date: Mon, 21 May 2018 10:58:45 +0800
Subject: [PATCH] Update R_object_helper.h

---
 include/LightGBM/R_object_helper.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/LightGBM/R_object_helper.h b/include/LightGBM/R_object_helper.h
index 21f6948b7b27..fb0ce1e64c73 100644
--- a/include/LightGBM/R_object_helper.h
+++ b/include/LightGBM/R_object_helper.h
@@ -33,7 +33,7 @@ struct lgbm_sxpinfo {
 
 // 64bit pointer
 #if INTPTR_MAX == INT64_MAX
-typedef ptrdiff_t R_xlen_t;
+typedef int64_t R_xlen_t;
 #else
 typedef int R_xlen_t;
 #endif