From 6ea9d52e76610e07ec1578cf8aad87721279f9bf Mon Sep 17 00:00:00 2001
From: Dudu <dudu@LesPaul.local>
Date: Sat, 15 Feb 2014 12:12:12 +0000
Subject: [PATCH] -- enable offsets larger than 2GB

---
 ext/mapped_file.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/ext/mapped_file.c b/ext/mapped_file.c
index d835ab5..aade5be 100644
--- a/ext/mapped_file.c
+++ b/ext/mapped_file.c
@@ -116,8 +116,8 @@ static VALUE sm_mapped_file_close(VALUE vself)
  */
 static VALUE sm_mapped_file_read_window_data(VALUE vself, VALUE voffset, VALUE vlength) 
 {
-  size_t offset = NUM2INT(voffset);
-  size_t length = NUM2INT(vlength);
+  size_t offset = NUM2LONG(voffset);
+  size_t length = NUM2LONG(vlength);
   char buff[length];
   VALUE vsm_map;
   simple_mmap_map *sm_map;