:(

2024-03-19 06:54:34 +01:00
parent 56d82c386f
commit b1d9e74023
2 changed files with 18 additions and 3 deletions
--- a/ft_write.s
+++ b/ft_write.s
@@ -2,12 +2,28 @@ global ft_write
 extern __errno_location

 ft_write:
+	cmp rdi, 0
+	jl .err_fd
+	test rsi, rsi
+	je .err_buffer
 	mov eax, 0x1 ; put the syscall number of write
 	syscall
 	test rax, rax
 	js .error
 	ret

+.err_fd:
+	call __errno_location wrt ..plt
+	mov byte [rax], 22
+	mov rax, -1
+	ret
+
+.err_buffer:
+	call __errno_location wrt ..plt
+	mov byte [rax], 22
+	mov rax, -1
+	ret
+
 .error:
 	mov rdx, rax
 	call __errno_location wrt ..plt