From 9d8c3df93ca0fad4f7766a997674c3502939cf30 Mon Sep 17 00:00:00 2001
From: Alejandro Colomar <alx@kernel.org>
Date: Fri, 2 Dec 2022 17:25:07 +0100
Subject: [PATCH] Assume NULL exists
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ISO C99 requires NULL.

Link: <https://github.com/shadow-maint/shadow/pull/600>
Cc: Christian Göttsche <cgzones@googlemail.com>
Cc: Iker Pedrosa <ipedrosa@redhat.com>
Cc: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Alejandro Colomar <alx@kernel.org>
---
 lib/defines.h | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/lib/defines.h b/lib/defines.h
index 311bd7c4..1cfc537b 100644
--- a/lib/defines.h
+++ b/lib/defines.h
@@ -243,10 +243,6 @@ static inline void memzero(void *ptr, size_t size)
 #endif
 #endif
 
-#ifndef NULL
-#define NULL ((void *) 0)
-#endif
-
 #ifdef sun			/* hacks for compiling on SunOS */
 # ifndef SOLARIS
 extern char *strdup ();