using libzfs with node-ffi

FFI = require("./ffi");
sys = require("sys");

var funcs = {
  "libzfs_init": ["pointer", []],
  "libzfs_fini": ["void", [ 'pointer' ]],
  "zfs_dataset_exists": ["byte", [ 'pointer', 'string', 'uint32' ]]
};

libzfs = new FFI.Library("libzfs", funcs);

var foo = libzfs.libzfs_init();

sys.puts("dataset exists " + libzfs.zfs_dataset_exists(foo, 'foobar', 1));
sys.puts("dataset exists " + libzfs.zfs_dataset_exists(foo, 'zfoobar', 1))

libzfs.libzfs_fini(foo);