added read, strcmp, strcpy, finished write, added Makefile

2024-03-15 17:15:37 +01:00
parent 9316411eb6
commit 8a939458e6
7 changed files with 103 additions and 1 deletions
--- a/ft_write.s
+++ b/ft_write.s
@@ -1,10 +1,17 @@
 global _write
+extern __errno_location

 _write:
 	mov eax, 0x1
 	syscall
-	jc .error
+	test rax, rax
+	js .error
 	ret
+
 .error:
+	mov ebx, eax
+	call __errno_location wrt ..plt
+	neg ebx
+	mov dword [rax], ebx
 	mov rax, -1
 	ret