From 4bf182f92ae249560f61bccea3598ec87b0cf8c1 Mon Sep 17 00:00:00 2001
From: =?utf8?q?P=C3=A1draig=20Brady?= <P@draigBrady.com>
Date: Tue, 18 Jul 2023 23:08:42 +0100
Subject: [PATCH] maint: add a syntax check to prevent use of NULL

* cfg.mk (sc_prohibit_NULL): Direct to use nullptr instead.
---
 cfg.mk | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/cfg.mk b/cfg.mk
index 9c399595fa..630251b657 100644
--- a/cfg.mk
+++ b/cfg.mk
@@ -509,6 +509,12 @@ sc_prohibit_exit_write_error:
 	halt='Use write_error() instead' \
 	  $(_sc_search_regexp)
 
+sc_prohibit_NULL:
+	@prohibit='$(begword)NULL$(endword)'				\
+	in_vc_files='\.[ch]$$'						\
+	halt='use nullptr instead'					\
+	  $(_sc_search_regexp)
+
 # Don't use "indent-tabs-mode: nil" anymore.  No longer needed.
 sc_prohibit_emacs__indent_tabs_mode__setting:
 	@prohibit='^( *[*#] *)?indent-tabs-mode:'			\
-- 
2.47.2