From 452bd52fc25354f94f3e13f6aa13605d8d864d2f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ren=C3=A9=20Nyffenegger?= <rene.nyffenegger@adp-gmbh.ch>
Date: Tue, 8 Feb 2022 11:43:10 +0100
Subject: [PATCH] Use Windows specific mmap constructor

---
 gin | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/gin b/gin
index e506a99..4b3fbbd 100755
--- a/gin
+++ b/gin
@@ -9,6 +9,7 @@ import collections
 import json
 import mmap
 import struct
+import sys
 
 def check(boolean, message):
     if not boolean:
@@ -18,7 +19,7 @@ def check(boolean, message):
 
 def parse(filename, pretty=True):
     with open(filename, "rb") as o:
-        f = mmap.mmap(o.fileno(), 0, prot=mmap.PROT_READ)
+        f = mmap.mmap(o.fileno(), 0, access=mmap.ACCESS_READ) if sys.platform == 'win32' else mmap.mmap(o.fileno(), 0, prot=mmap.PROT_READ)
 
         def read(format):
             # "All binary numbers are in network byte order."