From: Martin Mares <mj@ucw.cz>
Date: Mon, 29 Mar 1999 19:13:36 +0000 (+0000)
Subject: #define NULL if not defined by system includes.
X-Git-Tag: v1.2.0~1645
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6134024815adf2541293008f848dce4e8a21d061;p=thirdparty%2Fbird.git

#define NULL if not defined by system includes.
---

diff --git a/lib/birdlib.h b/lib/birdlib.h
index 545ee1b5f..b57478df2 100644
--- a/lib/birdlib.h
+++ b/lib/birdlib.h
@@ -20,6 +20,10 @@
 #define MIN(a,b) (((a)<(b))?(a):(b))
 #define MAX(a,b) (((a)>(b))?(a):(b))
 
+#ifndef NULL
+#define NULL ((void *) 0)
+#endif
+
 /* Functions which don't return */
 
 #define NORET __attribute__((noreturn))