From 3611f1dd894f68cd21dfd1a9d62a3e3bcc0a778c Mon Sep 17 00:00:00 2001
From: Cameron Gutman <aicommander@gmail.com>
Date: Sun, 8 Aug 2021 11:47:03 -0500
Subject: [PATCH] Fix null termination issue if /proc/cpuinfo was over 4KB

---
 src/config.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/config.c b/src/config.c
index 328cd57..30f4a64 100644
--- a/src/config.c
+++ b/src/config.c
@@ -333,7 +333,7 @@ void config_parse(int argc, char* argv[], PCONFIGURATION config) {
 
 #ifdef __arm__
   char cpuinfo[4096] = {};
-  if (read_file("/proc/cpuinfo", cpuinfo, sizeof(cpuinfo)) > 0) {
+  if (read_file("/proc/cpuinfo", cpuinfo, sizeof(cpuinfo) - 1) > 0) {
     // If this is a ARMv6 CPU (like the Pi 1), we'll assume it's not
     // powerful enough to handle audio encryption. The Pi 1 could
     // barely handle Opus decoding alone.