From 692c96512ed5259078e948912686ce5f9b73b542 Mon Sep 17 00:00:00 2001
From: Kwarde <kevin@kwarde.com>
Date: Wed, 25 Jun 2025 10:09:23 +0200
Subject: [PATCH] Return -22 (EINVAL) in fopen() if incorrect mode was supplied

---
 file.asm | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/file.asm b/file.asm
index 97c1ab8..73e3859 100644
--- a/file.asm
+++ b/file.asm
@@ -6,12 +6,12 @@ extern	NR_close
 extern	strlen
 
 section .rodata
-	O_RDONLY	equ	00000000q
-	O_WRONLY	equ	00000001q
-	O_RDWR		equ	00000002q
-	O_CREAT		equ	00000100q
-	O_TRUNC		equ	00001000q
-	O_APPEND	equ	00002000q
+	O_RDONLY	equ	00000000
+	O_WRONLY	equ	00000001
+	O_RDWR		equ	00000002
+	O_CREAT		equ	00000100
+	O_TRUNC		equ	00001000
+	O_APPEND	equ	00002000
 	
 section .text
 	global	fopen
@@ -51,7 +51,7 @@ fopen:
 	je	.setMode_W
 	cmp	byte [rsi], 'A'
 	je	.setMode_A
-	xor	rax, rax
+	mov	rax, -22
 	jmp	.quit
 
 	.setMode_r: