From 39b36beb791714bcd99037a4b7caab0c20cd8755 Mon Sep 17 00:00:00 2001
From: Samuel Holland <samuel@sholland.org>
Date: Sat, 22 Mar 2025 21:35:47 -0500
Subject: [PATCH] Don't add null characters to the expect buffer

They prevent regexec() from seeing the remainder of the buffer.
---
 src/script.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/script.c b/src/script.c
index f6023eb..b471932 100644
--- a/src/script.c
+++ b/src/script.c
@@ -207,6 +207,11 @@ static int write_(lua_State *L)
 // Function to add a character to the circular expect buffer
 static void expect_buffer_add(char c)
 {
+    if (!c)
+    {
+        return;
+    }
+
     if (buffer_size < MAX_BUFFER_SIZE)
     {
         circular_buffer[buffer_size++] = c;