text: var fs = require('graceful-fs')
  var path = require('path')
  var invalidWin32Path = require('./win32').invalidWin32Path
  
  var o777 = parseInt('0777', 8)
  
  function mkdirs (p, opts, callback, made) {
    if (typeof opts === 'function') {
      callback = opts
      opts = {}
    } else if (!opts || typeof opts !== 'object') {
      opts = { mode: opts }
    }
  
    if (process.platform === 'win32' && invalidWin32Path(p)) {
      var errInval = new Error(p + ' contains invalid WIN32 path characters.')
      errInval.code = 'EINVAL'
      return callback(errInval)
    }
  
    var mode = opts.mode
    var xfs = opts.fs || fs
  
    if (mode === undefined) {
      mode = o777 & (~process.umask())
    }
    if (!made) made = null
  
    callback = callback || function () {}
    p = path.resolve(p)
  
    xfs.mkdir(p, mode, function (er) {
      if (!er) {
        made = made || p
        return callback(null, made)
      }
      switch (er.code) {
        case 'ENOENT':
          if (path.dirname(p) === p) return callback(er)
          mkdirs(path.dirname(p), opts, function (er, made) {
            if (er) callback(er, made)
            else mkdirs(p, opts, callback, made)
          })
          break
  
        // In the case of any other error, just see if there's a dir
        // there already.  If so, then hooray!  If not, then something
        // is borked.
        default:
          xfs.stat(p, function (er2, stat) {
            // if the stat fails, then that's super weird.
            // let the original error be the failure reason.
            if (er2 || !stat.isDirectory()) callback(er, made)
            else callback(null, made)
          })
          break
      }
    })
  }
  
  module.exports = mkdirs
  