global ft_read
extern __errno_location
section .text

ft_read:
	mov rax, 0 ;syscall number for read, args are already set at the right place
	syscall

	cmp rax, 0 ; if return is < 0, it's an error in negative
	jge .success

	neg rax ; inv errno, and set errno
	mov edi, eax
	sub rsp, 8
	call __errno_location wrt ..plt
	add rsp, 8
	mov [rax], edi
	mov rax, -1

.success:
	ret