From afa00abb2b68205bee539d7947130d6b1b1ec6e9 Mon Sep 17 00:00:00 2001
From: Marvin Borner
Date: Thu, 1 Apr 2021 19:39:14 +0200
Subject: Hardened entire system

By using the nonnull attribute and replace buffer-overflow-prone
functions like strcpy, strcat and sprintf by strlcpy, strlcat and
snprintf.
---
 kernel/inc/serial.h | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'kernel/inc/serial.h')

diff --git a/kernel/inc/serial.h b/kernel/inc/serial.h
index 7ca5ac2..e96316a 100644
--- a/kernel/inc/serial.h
+++ b/kernel/inc/serial.h
@@ -3,8 +3,10 @@
 #ifndef SERIAL_H
 #define SERIAL_H
 
+#include <def.h>
+
 void serial_install(void);
-void serial_print(const char *data);
+void serial_print(const char *data) NONNULL;
 void serial_put(char ch);
 
 #endif
-- 
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