From a9b22c905200b8f6112bf9e275654ce7c7849863 Mon Sep 17 00:00:00 2001
From: Jason Volk <jason@zemos.net>
Date: Sat, 8 Oct 2022 10:49:41 -0700
Subject: [PATCH] ircd::lex: Handle js null as falsy boolean.

---
 ircd/lex_cast.cc | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/ircd/lex_cast.cc b/ircd/lex_cast.cc
index 43337258b..173d8f486 100644
--- a/ircd/lex_cast.cc
+++ b/ircd/lex_cast.cc
@@ -219,14 +219,15 @@ ircd::lex_cast(bool i,
 template<> bool
 ircd::lex_cast(const string_view &s)
 {
-	const bool literal[2]
+	const bool literal[]
 	{
 		s == "true",
 		s == "false",
+		s == "null",
 	};
 
 	// Handle the common cases early in this frame before call.
-	if(likely(literal[0] | literal[1]))
+	if(likely(literal[0] | literal[1] | literal[2]))
 		return literal[0];
 
 	return lex::cast<bool, lex::to_bool>(s);
@@ -236,14 +237,15 @@ template<> bool
 ircd::lex_castable<bool>(const string_view &s)
 noexcept
 {
-	const bool literal[2]
+	const bool literal[]
 	{
 		s == "true",
 		s == "false",
+		s == "null",
 	};
 
 	// Handle the common cases early in this frame before call.
-	if(likely(literal[0] | literal[1]))
+	if(likely(literal[0] | literal[1] | literal[2]))
 		return true;
 
 	return lex::test<bool, lex::is_bool>(s);