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.
---
 libs/libc/inc/def.h | 16 +++++++++++-----
 1 file changed, 11 insertions(+), 5 deletions(-)

(limited to 'libs/libc/inc/def.h')

diff --git a/libs/libc/inc/def.h b/libs/libc/inc/def.h
index e71c502..378a4d0 100644
--- a/libs/libc/inc/def.h
+++ b/libs/libc/inc/def.h
@@ -30,11 +30,17 @@ typedef unsigned long long u64;
 
 #define ABS(a) ((u32)(((s32)(a) < 0) ? (-a) : (a)))
 
-#define NORETURN __attribute__((noreturn))
-#define DEPRECATED __attribute__((deprecated))
-#define NO_SANITIZE __attribute__((no_sanitize("undefined")))
-#define PACKED __attribute__((packed))
-#define ALIGNED(align) __attribute__((aligned(align)))
+#define ATTR __attribute__
+#define NORETURN ATTR((noreturn))
+#define DEPRECATED ATTR((deprecated))
+#define NONNULL ATTR((nonnull))
+#define PURE ATTR((pure))
+#define CONST ATTR((const))
+#define FLATTEN ATTR((flatten))
+#define PACKED ATTR((packed))
+#define HOT ATTR((hot))
+#define ALIGNED(align) ATTR((aligned(align)))
+#define NO_SANITIZE ATTR((no_sanitize("undefined")))
 
 #define EOF (-1)
 #define NULL ((void *)0)
-- 
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