From 98e688a9da5e7b2925dda17a2d6820dddf1fb287 Mon Sep 17 00:00:00 2001
From: Ismael Luceno <ismael@iodev.co.uk>
Date: Sun, 15 Aug 2021 17:51:57 +0200
Subject: define NULL as nullptr when used in C++11 or later

This should be safer for casting and more compatible with existing code
bases that wrongly assume it must be defined as a pointer.
---
 include/unistd.h | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'include/unistd.h')

diff --git a/include/unistd.h b/include/unistd.h
index 13064026..ee2dbe8a 100644
--- a/include/unistd.h
+++ b/include/unistd.h
@@ -15,7 +15,9 @@ extern "C" {
 #define SEEK_CUR 1
 #define SEEK_END 2
 
-#ifdef __cplusplus
+#if __cplusplus >= 201103L
+#define NULL nullptr
+#elif defined(__cplusplus)
 #define NULL 0L
 #else
 #define NULL ((void*)0)
-- 
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