Assume NULL exists

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>

diff --git a/lib/defines.h b/lib/defines.h
index 311bd7c457860b5ab076cfbbdccb6adbcd5e9f48..1cfc537bea0add490a8d3b12545d2cddac24963f 100644 (file)
--- 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 ();