module dlmalloc

fn system_alloc(_ voidptr, size usize) (voidptr, usize, u32) {
    return unsafe { nil }, 0, 0
}

fn system_remap(_ voidptr, ptr voidptr, oldsize usize, newsize usize, can_move bool) voidptr {
    return unsafe { nil }
}

fn system_free_part(_ voidptr, ptr voidptr, oldsize usize, newsize usize) bool {
    return false
}

fn system_free(_ voidptr, ptr voidptr, size usize) bool {
    return false
}

fn system_can_release_part(_ voidptr, _ u32) bool {
    return false
}

fn system_allocates_zeros(_ voidptr) bool {
    return false
}

fn system_page_size(_ voidptr) usize {
    return 4096
}

// get_system_allocator returns an allocator that uses the system allocator.
pub fn get_system_allocator() Allocator {
    return Allocator{
        alloc:            system_alloc
        remap:            system_remap
        free_part:        system_free_part
        free_:            system_free
        can_release_part: system_can_release_part
        allocates_zeros:  system_allocates_zeros
        page_size:        system_page_size
        data:             unsafe { nil }
    }
}