; edi - fd
clients__append:
    ; TODO check against client_capacity
    mov r10, [clients_len]
    imul r10, client_size
    add r10, clients
    mov [r10], edi

    add qword [clients_len], 1

    mov r11, 4

clients__append__write_zeros:
    cmp r11, 8
    jge return
    mov byte [r10 + r11], 0
    add r11, 1
    jmp clients__append__write_zeros

; edi - fd
clients__search:
    mov r11, [clients_len]
    imul r11, client_size
    add r11, clients
    mov r10, clients

clients__search__loop:
    cmp r10, r11
    jge clients__search__fail
    mov r8d, [r10]
    cmp r8d, edi
    je clients__search__succ
    add r10, client_size
    jmp clients__search__loop

clients__search__fail:
    mov r10, -1

clients__search__succ:
    mov rax, r10
    ret

; rdi - address of client within clients array
clients__remove:
    mov r10, [clients_len]
    cmp r10, 1
    jle clients__clear

    add r10, -1
    mov [clients_len], r10

    mov r11, r10
    imul r11, client_size
    add r11, clients

    mov r10, 0

clients__remove__loop:
    cmp r10, client_size
    jge return
    mov r8b, [r11 + r10]
    mov [rdi + r10], r8b
    add r10, 1
    jmp clients__remove__loop

; rdi - address of client within clients array
clients__clear:
    mov r10, 0
    mov [clients_len], r10
    ret