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/interrupts.h | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

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

diff --git a/kernel/inc/interrupts.h b/kernel/inc/interrupts.h
index fc00402..a22bebb 100644
--- a/kernel/inc/interrupts.h
+++ b/kernel/inc/interrupts.h
@@ -18,21 +18,21 @@ struct idt_entry {
 	u8 always0; // Always 0
 	u8 flags;
 	u16 base_high;
-} __attribute__((packed));
+} PACKED;
 
 struct idt_ptr {
 	u16 limit;
 	void *base;
-} __attribute__((packed));
+} PACKED;
 
 void idt_set_gate(u8 num, u32 base, u16 sel, u8 flags);
 
-void irq_install_handler(int irq, void (*handler)(struct regs *r));
+void irq_install_handler(int irq, void (*handler)(struct regs *r)) NONNULL;
 void irq_uninstall_handler(int irq);
 
-void isr_install_handler(int isr, void (*handler)(struct regs *r));
+void isr_install_handler(int isr, void (*handler)(struct regs *r)) NONNULL;
 void isr_uninstall_handler(int isr);
-void isr_panic(struct regs *r);
+void isr_panic(struct regs *r) NONNULL;
 
 void interrupts_install(void);
 
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