From 1f8a4bed3960d864b1ccd5197f113f6606c05ef3 Mon Sep 17 00:00:00 2001
From: Rusty Russell <rusty@rustcorp.com.au>
Date: Sat, 1 Apr 2023 14:11:23 +1030
Subject: [PATCH] bitcoin/script: don't memcmp NULL.

Stupid, stupid C committee.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
---
 bitcoin/script.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/bitcoin/script.c b/bitcoin/script.c
index 68a26dd5b..a66c26f97 100644
--- a/bitcoin/script.c
+++ b/bitcoin/script.c
@@ -884,5 +884,7 @@ bool scripteq(const u8 *s1, const u8 *s2)
 
 	if (tal_count(s1) != tal_count(s2))
 		return false;
+	if (tal_count(s1) == 0)
+		return true;
 	return memcmp(s1, s2, tal_count(s1)) == 0;
 }