squoosh/codecs/jxl/enc/jxl_enc.js

var jxl_enc = (function() {
  var _scriptDir = typeof document !== 'undefined' && document.currentScript ? document.currentScript.src : undefined;
  if (typeof __filename !== 'undefined') _scriptDir = _scriptDir || __filename;
  return (
function(jxl_enc) {
  jxl_enc = jxl_enc || {};

var Module = typeof jxl_enc !== "undefined" ? jxl_enc : {};

var readyPromiseResolve, readyPromiseReject;

Module["ready"] = new Promise(function(resolve, reject) {
 readyPromiseResolve = resolve;
 readyPromiseReject = reject;
});

var moduleOverrides = {};

var key;

for (key in Module) {
 if (Module.hasOwnProperty(key)) {
  moduleOverrides[key] = Module[key];
 }
}

var arguments_ = [];

var thisProgram = "./this.program";

var quit_ = function(status, toThrow) {
 throw toThrow;
};

var ENVIRONMENT_IS_WEB = false;

var ENVIRONMENT_IS_WORKER = false;

var ENVIRONMENT_IS_NODE = false;

var ENVIRONMENT_IS_SHELL = false;

ENVIRONMENT_IS_WEB = typeof window === "object";

ENVIRONMENT_IS_WORKER = typeof importScripts === "function";

ENVIRONMENT_IS_NODE = typeof process === "object" && typeof process.versions === "object" && typeof process.versions.node === "string";

ENVIRONMENT_IS_SHELL = !ENVIRONMENT_IS_WEB && !ENVIRONMENT_IS_NODE && !ENVIRONMENT_IS_WORKER;

var scriptDirectory = "";

function locateFile(path) {
 if (Module["locateFile"]) {
  return Module["locateFile"](path, scriptDirectory);
 }
 return scriptDirectory + path;
}

var read_, readAsync, readBinary, setWindowTitle;

var nodeFS;

var nodePath;

if (ENVIRONMENT_IS_NODE) {
 if (ENVIRONMENT_IS_WORKER) {
  scriptDirectory = require("path").dirname(scriptDirectory) + "/";
 } else {
  scriptDirectory = __dirname + "/";
 }
 read_ = function shell_read(filename, binary) {
  if (!nodeFS) nodeFS = require("fs");
  if (!nodePath) nodePath = require("path");
  filename = nodePath["normalize"](filename);
  return nodeFS["readFileSync"](filename, binary ? null : "utf8");
 };
 readBinary = function readBinary(filename) {
  var ret = read_(filename, true);
  if (!ret.buffer) {
   ret = new Uint8Array(ret);
  }
  assert(ret.buffer);
  return ret;
 };
 if (process["argv"].length > 1) {
  thisProgram = process["argv"][1].replace(/\\/g, "/");
 }
 arguments_ = process["argv"].slice(2);
 process["on"]("uncaughtException", function(ex) {
  if (!(ex instanceof ExitStatus)) {
   throw ex;
  }
 });
 process["on"]("unhandledRejection", abort);
 quit_ = function(status) {
  process["exit"](status);
 };
 Module["inspect"] = function() {
  return "[Emscripten Module object]";
 };
} else if (ENVIRONMENT_IS_SHELL) {
 if (typeof read != "undefined") {
  read_ = function shell_read(f) {
   return read(f);
  };
 }
 readBinary = function readBinary(f) {
  var data;
  if (typeof readbuffer === "function") {
   return new Uint8Array(readbuffer(f));
  }
  data = read(f, "binary");
  assert(typeof data === "object");
  return data;
 };
 if (typeof scriptArgs != "undefined") {
  arguments_ = scriptArgs;
 } else if (typeof arguments != "undefined") {
  arguments_ = arguments;
 }
 if (typeof quit === "function") {
  quit_ = function(status) {
   quit(status);
  };
 }
 if (typeof print !== "undefined") {
  if (typeof console === "undefined") console = {};
  console.log = print;
  console.warn = console.error = typeof printErr !== "undefined" ? printErr : print;
 }
} else if (ENVIRONMENT_IS_WEB || ENVIRONMENT_IS_WORKER) {
 if (ENVIRONMENT_IS_WORKER) {
  scriptDirectory = self.location.href;
 } else if (document.currentScript) {
  scriptDirectory = document.currentScript.src;
 }
 if (_scriptDir) {
  scriptDirectory = _scriptDir;
 }
 if (scriptDirectory.indexOf("blob:") !== 0) {
  scriptDirectory = scriptDirectory.substr(0, scriptDirectory.lastIndexOf("/") + 1);
 } else {
  scriptDirectory = "";
 }
 {
  read_ = function shell_read(url) {
   var xhr = new XMLHttpRequest();
   xhr.open("GET", url, false);
   xhr.send(null);
   return xhr.responseText;
  };
  if (ENVIRONMENT_IS_WORKER) {
   readBinary = function readBinary(url) {
    var xhr = new XMLHttpRequest();
    xhr.open("GET", url, false);
    xhr.responseType = "arraybuffer";
    xhr.send(null);
    return new Uint8Array(xhr.response);
   };
  }
  readAsync = function readAsync(url, onload, onerror) {
   var xhr = new XMLHttpRequest();
   xhr.open("GET", url, true);
   xhr.responseType = "arraybuffer";
   xhr.onload = function xhr_onload() {
    if (xhr.status == 200 || xhr.status == 0 && xhr.response) {
     onload(xhr.response);
     return;
    }
    onerror();
   };
   xhr.onerror = onerror;
   xhr.send(null);
  };
 }
 setWindowTitle = function(title) {
  document.title = title;
 };
} else {}

var out = Module["print"] || console.log.bind(console);

var err = Module["printErr"] || console.warn.bind(console);

for (key in moduleOverrides) {
 if (moduleOverrides.hasOwnProperty(key)) {
  Module[key] = moduleOverrides[key];
 }
}

moduleOverrides = null;

if (Module["arguments"]) arguments_ = Module["arguments"];

if (Module["thisProgram"]) thisProgram = Module["thisProgram"];

if (Module["quit"]) quit_ = Module["quit"];

var STACK_ALIGN = 16;

function alignMemory(size, factor) {
 if (!factor) factor = STACK_ALIGN;
 return Math.ceil(size / factor) * factor;
}

var tempRet0 = 0;

var setTempRet0 = function(value) {
 tempRet0 = value;
};

var wasmBinary;

if (Module["wasmBinary"]) wasmBinary = Module["wasmBinary"];

var noExitRuntime;

if (Module["noExitRuntime"]) noExitRuntime = Module["noExitRuntime"];

if (typeof WebAssembly !== "object") {
 abort("no native wasm support detected");
}

var wasmMemory;

var wasmTable = new WebAssembly.Table({
 "initial": 947,
 "maximum": 947 + 0,
 "element": "anyfunc"
});

var ABORT = false;

var EXITSTATUS = 0;

function assert(condition, text) {
 if (!condition) {
  abort("Assertion failed: " + text);
 }
}

var UTF8Decoder = typeof TextDecoder !== "undefined" ? new TextDecoder("utf8") : undefined;

function UTF8ArrayToString(heap, idx, maxBytesToRead) {
 idx >>>= 0;
 var endIdx = idx + maxBytesToRead;
 var endPtr = idx;
 while (heap[endPtr >>> 0] && !(endPtr >= endIdx)) ++endPtr;
 if (endPtr - idx > 16 && heap.subarray && UTF8Decoder) {
  return UTF8Decoder.decode(heap.subarray(idx >>> 0, endPtr >>> 0));
 } else {
  var str = "";
  while (idx < endPtr) {
   var u0 = heap[idx++ >>> 0];
   if (!(u0 & 128)) {
    str += String.fromCharCode(u0);
    continue;
   }
   var u1 = heap[idx++ >>> 0] & 63;
   if ((u0 & 224) == 192) {
    str += String.fromCharCode((u0 & 31) << 6 | u1);
    continue;
   }
   var u2 = heap[idx++ >>> 0] & 63;
   if ((u0 & 240) == 224) {
    u0 = (u0 & 15) << 12 | u1 << 6 | u2;
   } else {
    u0 = (u0 & 7) << 18 | u1 << 12 | u2 << 6 | heap[idx++ >>> 0] & 63;
   }
   if (u0 < 65536) {
    str += String.fromCharCode(u0);
   } else {
    var ch = u0 - 65536;
    str += String.fromCharCode(55296 | ch >> 10, 56320 | ch & 1023);
   }
  }
 }
 return str;
}

function UTF8ToString(ptr, maxBytesToRead) {
 ptr >>>= 0;
 return ptr ? UTF8ArrayToString(HEAPU8, ptr, maxBytesToRead) : "";
}

function stringToUTF8Array(str, heap, outIdx, maxBytesToWrite) {
 outIdx >>>= 0;
 if (!(maxBytesToWrite > 0)) return 0;
 var startIdx = outIdx;
 var endIdx = outIdx + maxBytesToWrite - 1;
 for (var i = 0; i < str.length; ++i) {
  var u = str.charCodeAt(i);
  if (u >= 55296 && u <= 57343) {
   var u1 = str.charCodeAt(++i);
   u = 65536 + ((u & 1023) << 10) | u1 & 1023;
  }
  if (u <= 127) {
   if (outIdx >= endIdx) break;
   heap[outIdx++ >>> 0] = u;
  } else if (u <= 2047) {
   if (outIdx + 1 >= endIdx) break;
   heap[outIdx++ >>> 0] = 192 | u >> 6;
   heap[outIdx++ >>> 0] = 128 | u & 63;
  } else if (u <= 65535) {
   if (outIdx + 2 >= endIdx) break;
   heap[outIdx++ >>> 0] = 224 | u >> 12;
   heap[outIdx++ >>> 0] = 128 | u >> 6 & 63;
   heap[outIdx++ >>> 0] = 128 | u & 63;
  } else {
   if (outIdx + 3 >= endIdx) break;
   heap[outIdx++ >>> 0] = 240 | u >> 18;
   heap[outIdx++ >>> 0] = 128 | u >> 12 & 63;
   heap[outIdx++ >>> 0] = 128 | u >> 6 & 63;
   heap[outIdx++ >>> 0] = 128 | u & 63;
  }
 }
 heap[outIdx >>> 0] = 0;
 return outIdx - startIdx;
}

function stringToUTF8(str, outPtr, maxBytesToWrite) {
 return stringToUTF8Array(str, HEAPU8, outPtr, maxBytesToWrite);
}

function lengthBytesUTF8(str) {
 var len = 0;
 for (var i = 0; i < str.length; ++i) {
  var u = str.charCodeAt(i);
  if (u >= 55296 && u <= 57343) u = 65536 + ((u & 1023) << 10) | str.charCodeAt(++i) & 1023;
  if (u <= 127) ++len; else if (u <= 2047) len += 2; else if (u <= 65535) len += 3; else len += 4;
 }
 return len;
}

var UTF16Decoder = typeof TextDecoder !== "undefined" ? new TextDecoder("utf-16le") : undefined;

function UTF16ToString(ptr, maxBytesToRead) {
 var endPtr = ptr;
 var idx = endPtr >> 1;
 var maxIdx = idx + maxBytesToRead / 2;
 while (!(idx >= maxIdx) && HEAPU16[idx >>> 0]) ++idx;
 endPtr = idx << 1;
 if (endPtr - ptr > 32 && UTF16Decoder) {
  return UTF16Decoder.decode(HEAPU8.subarray(ptr >>> 0, endPtr >>> 0));
 } else {
  var i = 0;
  var str = "";
  while (1) {
   var codeUnit = HEAP16[ptr + i * 2 >>> 1];
   if (codeUnit == 0 || i == maxBytesToRead / 2) return str;
   ++i;
   str += String.fromCharCode(codeUnit);
  }
 }
}

function stringToUTF16(str, outPtr, maxBytesToWrite) {
 if (maxBytesToWrite === undefined) {
  maxBytesToWrite = 2147483647;
 }
 if (maxBytesToWrite < 2) return 0;
 maxBytesToWrite -= 2;
 var startPtr = outPtr;
 var numCharsToWrite = maxBytesToWrite < str.length * 2 ? maxBytesToWrite / 2 : str.length;
 for (var i = 0; i < numCharsToWrite; ++i) {
  var codeUnit = str.charCodeAt(i);
  HEAP16[outPtr >>> 1] = codeUnit;
  outPtr += 2;
 }
 HEAP16[outPtr >>> 1] = 0;
 return outPtr - startPtr;
}

function lengthBytesUTF16(str) {
 return str.length * 2;
}

function UTF32ToString(ptr, maxBytesToRead) {
 var i = 0;
 var str = "";
 while (!(i >= maxBytesToRead / 4)) {
  var utf32 = HEAP32[ptr + i * 4 >>> 2];
  if (utf32 == 0) break;
  ++i;
  if (utf32 >= 65536) {
   var ch = utf32 - 65536;
   str += String.fromCharCode(55296 | ch >> 10, 56320 | ch & 1023);
  } else {
   str += String.fromCharCode(utf32);
  }
 }
 return str;
}

function stringToUTF32(str, outPtr, maxBytesToWrite) {
 outPtr >>>= 0;
 if (maxBytesToWrite === undefined) {
  maxBytesToWrite = 2147483647;
 }
 if (maxBytesToWrite < 4) return 0;
 var startPtr = outPtr;
 var endPtr = startPtr + maxBytesToWrite - 4;
 for (var i = 0; i < str.length; ++i) {
  var codeUnit = str.charCodeAt(i);
  if (codeUnit >= 55296 && codeUnit <= 57343) {
   var trailSurrogate = str.charCodeAt(++i);
   codeUnit = 65536 + ((codeUnit & 1023) << 10) | trailSurrogate & 1023;
  }
  HEAP32[outPtr >>> 2] = codeUnit;
  outPtr += 4;
  if (outPtr + 4 > endPtr) break;
 }
 HEAP32[outPtr >>> 2] = 0;
 return outPtr - startPtr;
}

function lengthBytesUTF32(str) {
 var len = 0;
 for (var i = 0; i < str.length; ++i) {
  var codeUnit = str.charCodeAt(i);
  if (codeUnit >= 55296 && codeUnit <= 57343) ++i;
  len += 4;
 }
 return len;
}

function writeArrayToMemory(array, buffer) {
 HEAP8.set(array, buffer >>> 0);
}

function writeAsciiToMemory(str, buffer, dontAddNull) {
 for (var i = 0; i < str.length; ++i) {
  HEAP8[buffer++ >>> 0] = str.charCodeAt(i);
 }
 if (!dontAddNull) HEAP8[buffer >>> 0] = 0;
}

var WASM_PAGE_SIZE = 65536;

function alignUp(x, multiple) {
 if (x % multiple > 0) {
  x += multiple - x % multiple;
 }
 return x;
}

var buffer, HEAP8, HEAPU8, HEAP16, HEAPU16, HEAP32, HEAPU32, HEAPF32, HEAPF64;

function updateGlobalBufferAndViews(buf) {
 buffer = buf;
 Module["HEAP8"] = HEAP8 = new Int8Array(buf);
 Module["HEAP16"] = HEAP16 = new Int16Array(buf);
 Module["HEAP32"] = HEAP32 = new Int32Array(buf);
 Module["HEAPU8"] = HEAPU8 = new Uint8Array(buf);
 Module["HEAPU16"] = HEAPU16 = new Uint16Array(buf);
 Module["HEAPU32"] = HEAPU32 = new Uint32Array(buf);
 Module["HEAPF32"] = HEAPF32 = new Float32Array(buf);
 Module["HEAPF64"] = HEAPF64 = new Float64Array(buf);
}

var DYNAMIC_BASE = 5517328, DYNAMICTOP_PTR = 274288;

var INITIAL_INITIAL_MEMORY = Module["INITIAL_MEMORY"] || 16777216;

if (Module["wasmMemory"]) {
 wasmMemory = Module["wasmMemory"];
} else {
 wasmMemory = new WebAssembly.Memory({
  "initial": INITIAL_INITIAL_MEMORY / WASM_PAGE_SIZE,
  "maximum": 4294967296 / WASM_PAGE_SIZE
 });
}

if (wasmMemory) {
 buffer = wasmMemory.buffer;
}

INITIAL_INITIAL_MEMORY = buffer.byteLength;

updateGlobalBufferAndViews(buffer);

HEAP32[DYNAMICTOP_PTR >>> 2] = DYNAMIC_BASE;

function callRuntimeCallbacks(callbacks) {
 while (callbacks.length > 0) {
  var callback = callbacks.shift();
  if (typeof callback == "function") {
   callback(Module);
   continue;
  }
  var func = callback.func;
  if (typeof func === "number") {
   if (callback.arg === undefined) {
    Module["dynCall_v"](func);
   } else {
    Module["dynCall_vi"](func, callback.arg);
   }
  } else {
   func(callback.arg === undefined ? null : callback.arg);
  }
 }
}

var __ATPRERUN__ = [];

var __ATINIT__ = [];

var __ATMAIN__ = [];

var __ATPOSTRUN__ = [];

var runtimeInitialized = false;

function preRun() {
 if (Module["preRun"]) {
  if (typeof Module["preRun"] == "function") Module["preRun"] = [ Module["preRun"] ];
  while (Module["preRun"].length) {
   addOnPreRun(Module["preRun"].shift());
  }
 }
 callRuntimeCallbacks(__ATPRERUN__);
}

function initRuntime() {
 runtimeInitialized = true;
 if (!Module["noFSInit"] && !FS.init.initialized) FS.init();
 TTY.init();
 callRuntimeCallbacks(__ATINIT__);
}

function preMain() {
 FS.ignorePermissions = false;
 callRuntimeCallbacks(__ATMAIN__);
}

function postRun() {
 if (Module["postRun"]) {
  if (typeof Module["postRun"] == "function") Module["postRun"] = [ Module["postRun"] ];
  while (Module["postRun"].length) {
   addOnPostRun(Module["postRun"].shift());
  }
 }
 callRuntimeCallbacks(__ATPOSTRUN__);
}

function addOnPreRun(cb) {
 __ATPRERUN__.unshift(cb);
}

function addOnPostRun(cb) {
 __ATPOSTRUN__.unshift(cb);
}

var Math_abs = Math.abs;

var Math_ceil = Math.ceil;

var Math_floor = Math.floor;

var Math_min = Math.min;

var runDependencies = 0;

var runDependencyWatcher = null;

var dependenciesFulfilled = null;

function getUniqueRunDependency(id) {
 return id;
}

function addRunDependency(id) {
 runDependencies++;
 if (Module["monitorRunDependencies"]) {
  Module["monitorRunDependencies"](runDependencies);
 }
}

function removeRunDependency(id) {
 runDependencies--;
 if (Module["monitorRunDependencies"]) {
  Module["monitorRunDependencies"](runDependencies);
 }
 if (runDependencies == 0) {
  if (runDependencyWatcher !== null) {
   clearInterval(runDependencyWatcher);
   runDependencyWatcher = null;
  }
  if (dependenciesFulfilled) {
   var callback = dependenciesFulfilled;
   dependenciesFulfilled = null;
   callback();
  }
 }
}

Module["preloadedImages"] = {};

Module["preloadedAudios"] = {};

function abort(what) {
 if (Module["onAbort"]) {
  Module["onAbort"](what);
 }
 what += "";
 err(what);
 ABORT = true;
 EXITSTATUS = 1;
 what = "abort(" + what + "). Build with -s ASSERTIONS=1 for more info.";
 var e = new WebAssembly.RuntimeError(what);
 readyPromiseReject(e);
 throw e;
}

function hasPrefix(str, prefix) {
 return String.prototype.startsWith ? str.startsWith(prefix) : str.indexOf(prefix) === 0;
}

var dataURIPrefix = "data:application/octet-stream;base64,";

function isDataURI(filename) {
 return hasPrefix(filename, dataURIPrefix);
}

var fileURIPrefix = "file://";

function isFileURI(filename) {
 return hasPrefix(filename, fileURIPrefix);
}

var wasmBinaryFile = "jxl_enc.wasm";

if (!isDataURI(wasmBinaryFile)) {
 wasmBinaryFile = locateFile(wasmBinaryFile);
}

function getBinary() {
 try {
  if (wasmBinary) {
   return new Uint8Array(wasmBinary);
  }
  if (readBinary) {
   return readBinary(wasmBinaryFile);
  } else {
   throw "both async and sync fetching of the wasm failed";
  }
 } catch (err) {
  abort(err);
 }
}

function getBinaryPromise() {
 if (!wasmBinary && (ENVIRONMENT_IS_WEB || ENVIRONMENT_IS_WORKER) && typeof fetch === "function" && !isFileURI(wasmBinaryFile)) {
  return fetch(wasmBinaryFile, {
   credentials: "same-origin"
  }).then(function(response) {
   if (!response["ok"]) {
    throw "failed to load wasm binary file at '" + wasmBinaryFile + "'";
   }
   return response["arrayBuffer"]();
  }).catch(function() {
   return getBinary();
  });
 }
 return new Promise(function(resolve, reject) {
  resolve(getBinary());
 });
}

function createWasm() {
 var info = {
  "a": asmLibraryArg
 };
 function receiveInstance(instance, module) {
  var exports = instance.exports;
  Module["asm"] = exports;
  removeRunDependency("wasm-instantiate");
 }
 addRunDependency("wasm-instantiate");
 function receiveInstantiatedSource(output) {
  receiveInstance(output["instance"]);
 }
 function instantiateArrayBuffer(receiver) {
  return getBinaryPromise().then(function(binary) {
   return WebAssembly.instantiate(binary, info);
  }).then(receiver, function(reason) {
   err("failed to asynchronously prepare wasm: " + reason);
   abort(reason);
  });
 }
 function instantiateAsync() {
  if (!wasmBinary && typeof WebAssembly.instantiateStreaming === "function" && !isDataURI(wasmBinaryFile) && !isFileURI(wasmBinaryFile) && typeof fetch === "function") {
   fetch(wasmBinaryFile, {
    credentials: "same-origin"
   }).then(function(response) {
    var result = WebAssembly.instantiateStreaming(response, info);
    return result.then(receiveInstantiatedSource, function(reason) {
     err("wasm streaming compile failed: " + reason);
     err("falling back to ArrayBuffer instantiation");
     return instantiateArrayBuffer(receiveInstantiatedSource);
    });
   });
  } else {
   return instantiateArrayBuffer(receiveInstantiatedSource);
  }
 }
 if (Module["instantiateWasm"]) {
  try {
   var exports = Module["instantiateWasm"](info, receiveInstance);
   return exports;
  } catch (e) {
   err("Module.instantiateWasm callback failed with error: " + e);
   return false;
  }
 }
 instantiateAsync();
 return {};
}

var tempDouble;

var tempI64;

__ATINIT__.push({
 func: function() {
  ___wasm_call_ctors();
 }
});

function demangle(func) {
 return func;
}

function demangleAll(text) {
 var regex = /\b_Z[\w\d_]+/g;
 return text.replace(regex, function(x) {
  var y = demangle(x);
  return x === y ? x : y + " [" + x + "]";
 });
}

function jsStackTrace() {
 var err = new Error();
 if (!err.stack) {
  try {
   throw new Error();
  } catch (e) {
   err = e;
  }
  if (!err.stack) {
   return "(no stack trace available)";
  }
 }
 return err.stack.toString();
}

function stackTrace() {
 var js = jsStackTrace();
 if (Module["extraStackTrace"]) js += "\n" + Module["extraStackTrace"]();
 return demangleAll(js);
}

function ___cxa_allocate_exception(size) {
 return _malloc(size);
}

function _atexit(func, arg) {}

function ___cxa_thread_atexit(a0, a1) {
 return _atexit(a0, a1);
}

var exceptionInfos = {};

var exceptionLast = 0;

function __ZSt18uncaught_exceptionv() {
 return __ZSt18uncaught_exceptionv.uncaught_exceptions > 0;
}

function ___cxa_throw(ptr, type, destructor) {
 exceptionInfos[ptr] = {
  ptr: ptr,
  adjusted: [ ptr ],
  type: type,
  destructor: destructor,
  refcount: 0,
  caught: false,
  rethrown: false
 };
 exceptionLast = ptr;
 if (!("uncaught_exception" in __ZSt18uncaught_exceptionv)) {
  __ZSt18uncaught_exceptionv.uncaught_exceptions = 1;
 } else {
  __ZSt18uncaught_exceptionv.uncaught_exceptions++;
 }
 throw ptr;
}

function setErrNo(value) {
 HEAP32[___errno_location() >>> 2] = value;
 return value;
}

function ___map_file(pathname, size) {
 setErrNo(63);
 return -1;
}

var PATH = {
 splitPath: function(filename) {
  var splitPathRe = /^(\/?|)([\s\S]*?)((?:\.{1,2}|[^\/]+?|)(\.[^.\/]*|))(?:[\/]*)$/;
  return splitPathRe.exec(filename).slice(1);
 },
 normalizeArray: function(parts, allowAboveRoot) {
  var up = 0;
  for (var i = parts.length - 1; i >= 0; i--) {
   var last = parts[i];
   if (last === ".") {
    parts.splice(i, 1);
   } else if (last === "..") {
    parts.splice(i, 1);
    up++;
   } else if (up) {
    parts.splice(i, 1);
    up--;
   }
  }
  if (allowAboveRoot) {
   for (;up; up--) {
    parts.unshift("..");
   }
  }
  return parts;
 },
 normalize: function(path) {
  var isAbsolute = path.charAt(0) === "/", trailingSlash = path.substr(-1) === "/";
  path = PATH.normalizeArray(path.split("/").filter(function(p) {
   return !!p;
  }), !isAbsolute).join("/");
  if (!path && !isAbsolute) {
   path = ".";
  }
  if (path && trailingSlash) {
   path += "/";
  }
  return (isAbsolute ? "/" : "") + path;
 },
 dirname: function(path) {
  var result = PATH.splitPath(path), root = result[0], dir = result[1];
  if (!root && !dir) {
   return ".";
  }
  if (dir) {
   dir = dir.substr(0, dir.length - 1);
  }
  return root + dir;
 },
 basename: function(path) {
  if (path === "/") return "/";
  var lastSlash = path.lastIndexOf("/");
  if (lastSlash === -1) return path;
  return path.substr(lastSlash + 1);
 },
 extname: function(path) {
  return PATH.splitPath(path)[3];
 },
 join: function() {
  var paths = Array.prototype.slice.call(arguments, 0);
  return PATH.normalize(paths.join("/"));
 },
 join2: function(l, r) {
  return PATH.normalize(l + "/" + r);
 }
};

var PATH_FS = {
 resolve: function() {
  var resolvedPath = "", resolvedAbsolute = false;
  for (var i = arguments.length - 1; i >= -1 && !resolvedAbsolute; i--) {
   var path = i >= 0 ? arguments[i] : FS.cwd();
   if (typeof path !== "string") {
    throw new TypeError("Arguments to path.resolve must be strings");
   } else if (!path) {
    return "";
   }
   resolvedPath = path + "/" + resolvedPath;
   resolvedAbsolute = path.charAt(0) === "/";
  }
  resolvedPath = PATH.normalizeArray(resolvedPath.split("/").filter(function(p) {
   return !!p;
  }), !resolvedAbsolute).join("/");
  return (resolvedAbsolute ? "/" : "") + resolvedPath || ".";
 },
 relative: function(from, to) {
  from = PATH_FS.resolve(from).substr(1);
  to = PATH_FS.resolve(to).substr(1);
  function trim(arr) {
   var start = 0;
   for (;start < arr.length; start++) {
    if (arr[start] !== "") break;
   }
   var end = arr.length - 1;
   for (;end >= 0; end--) {
    if (arr[end] !== "") break;
   }
   if (start > end) return [];
   return arr.slice(start, end - start + 1);
  }
  var fromParts = trim(from.split("/"));
  var toParts = trim(to.split("/"));
  var length = Math.min(fromParts.length, toParts.length);
  var samePartsLength = length;
  for (var i = 0; i < length; i++) {
   if (fromParts[i] !== toParts[i]) {
    samePartsLength = i;
    break;
   }
  }
  var outputParts = [];
  for (var i = samePartsLength; i < fromParts.length; i++) {
   outputParts.push("..");
  }
  outputParts = outputParts.concat(toParts.slice(samePartsLength));
  return outputParts.join("/");
 }
};

var TTY = {
 ttys: [],
 init: function() {},
 shutdown: function() {},
 register: function(dev, ops) {
  TTY.ttys[dev] = {
   input: [],
   output: [],
   ops: ops
  };
  FS.registerDevice(dev, TTY.stream_ops);
 },
 stream_ops: {
  open: function(stream) {
   var tty = TTY.ttys[stream.node.rdev];
   if (!tty) {
    throw new FS.ErrnoError(43);
   }
   stream.tty = tty;
   stream.seekable = false;
  },
  close: function(stream) {
   stream.tty.ops.flush(stream.tty);
  },
  flush: function(stream) {
   stream.tty.ops.flush(stream.tty);
  },
  read: function(stream, buffer, offset, length, pos) {
   if (!stream.tty || !stream.tty.ops.get_char) {
    throw new FS.ErrnoError(60);
   }
   var bytesRead = 0;
   for (var i = 0; i < length; i++) {
    var result;
    try {
     result = stream.tty.ops.get_char(stream.tty);
    } catch (e) {
     throw new FS.ErrnoError(29);
    }
    if (result === undefined && bytesRead === 0) {
     throw new FS.ErrnoError(6);
    }
    if (result === null || result === undefined) break;
    bytesRead++;
    buffer[offset + i] = result;
   }
   if (bytesRead) {
    stream.node.timestamp = Date.now();
   }
   return bytesRead;
  },
  write: function(stream, buffer, offset, length, pos) {
   if (!stream.tty || !stream.tty.ops.put_char) {
    throw new FS.ErrnoError(60);
   }
   try {
    for (var i = 0; i < length; i++) {
     stream.tty.ops.put_char(stream.tty, buffer[offset + i]);
    }
   } catch (e) {
    throw new FS.ErrnoError(29);
   }
   if (length) {
    stream.node.timestamp = Date.now();
   }
   return i;
  }
 },
 default_tty_ops: {
  get_char: function(tty) {
   if (!tty.input.length) {
    var result = null;
    if (ENVIRONMENT_IS_NODE) {
     var BUFSIZE = 256;
     var buf = Buffer.alloc ? Buffer.alloc(BUFSIZE) : new Buffer(BUFSIZE);
     var bytesRead = 0;
     try {
      bytesRead = nodeFS.readSync(process.stdin.fd, buf, 0, BUFSIZE, null);
     } catch (e) {
      if (e.toString().indexOf("EOF") != -1) bytesRead = 0; else throw e;
     }
     if (bytesRead > 0) {
      result = buf.slice(0, bytesRead).toString("utf-8");
     } else {
      result = null;
     }
    } else if (typeof window != "undefined" && typeof window.prompt == "function") {
     result = window.prompt("Input: ");
     if (result !== null) {
      result += "\n";
     }
    } else if (typeof readline == "function") {
     result = readline();
     if (result !== null) {
      result += "\n";
     }
    }
    if (!result) {
     return null;
    }
    tty.input = intArrayFromString(result, true);
   }
   return tty.input.shift();
  },
  put_char: function(tty, val) {
   if (val === null || val === 10) {
    out(UTF8ArrayToString(tty.output, 0));
    tty.output = [];
   } else {
    if (val != 0) tty.output.push(val);
   }
  },
  flush: function(tty) {
   if (tty.output && tty.output.length > 0) {
    out(UTF8ArrayToString(tty.output, 0));
    tty.output = [];
   }
  }
 },
 default_tty1_ops: {
  put_char: function(tty, val) {
   if (val === null || val === 10) {
    err(UTF8ArrayToString(tty.output, 0));
    tty.output = [];
   } else {
    if (val != 0) tty.output.push(val);
   }
  },
  flush: function(tty) {
   if (tty.output && tty.output.length > 0) {
    err(UTF8ArrayToString(tty.output, 0));
    tty.output = [];
   }
  }
 }
};

var MEMFS = {
 ops_table: null,
 mount: function(mount) {
  return MEMFS.createNode(null, "/", 16384 | 511, 0);
 },
 createNode: function(parent, name, mode, dev) {
  if (FS.isBlkdev(mode) || FS.isFIFO(mode)) {
   throw new FS.ErrnoError(63);
  }
  if (!MEMFS.ops_table) {
   MEMFS.ops_table = {
    dir: {
     node: {
      getattr: MEMFS.node_ops.getattr,
      setattr: MEMFS.node_ops.setattr,
      lookup: MEMFS.node_ops.lookup,
      mknod: MEMFS.node_ops.mknod,
      rename: MEMFS.node_ops.rename,
      unlink: MEMFS.node_ops.unlink,
      rmdir: MEMFS.node_ops.rmdir,
      readdir: MEMFS.node_ops.readdir,
      symlink: MEMFS.node_ops.symlink
     },
     stream: {
      llseek: MEMFS.stream_ops.llseek
     }
    },
    file: {
     node: {
      getattr: MEMFS.node_ops.getattr,
      setattr: MEMFS.node_ops.setattr
     },
     stream: {
      llseek: MEMFS.stream_ops.llseek,
      read: MEMFS.stream_ops.read,
      write: MEMFS.stream_ops.write,
      allocate: MEMFS.stream_ops.allocate,
      mmap: MEMFS.stream_ops.mmap,
      msync: MEMFS.stream_ops.msync
     }
    },
    link: {
     node: {
      getattr: MEMFS.node_ops.getattr,
      setattr: MEMFS.node_ops.setattr,
      readlink: MEMFS.node_ops.readlink
     },
     stream: {}
    },
    chrdev: {
     node: {
      getattr: MEMFS.node_ops.getattr,
      setattr: MEMFS.node_ops.setattr
     },
     stream: FS.chrdev_stream_ops
    }
   };
  }
  var node = FS.createNode(parent, name, mode, dev);
  if (FS.isDir(node.mode)) {
   node.node_ops = MEMFS.ops_table.dir.node;
   node.stream_ops = MEMFS.ops_table.dir.stream;
   node.contents = {};
  } else if (FS.isFile(node.mode)) {
   node.node_ops = MEMFS.ops_table.file.node;
   node.stream_ops = MEMFS.ops_table.file.stream;
   node.usedBytes = 0;
   node.contents = null;
  } else if (FS.isLink(node.mode)) {
   node.node_ops = MEMFS.ops_table.link.node;
   node.stream_ops = MEMFS.ops_table.link.stream;
  } else if (FS.isChrdev(node.mode)) {
   node.node_ops = MEMFS.ops_table.chrdev.node;
   node.stream_ops = MEMFS.ops_table.chrdev.stream;
  }
  node.timestamp = Date.now();
  if (parent) {
   parent.contents[name] = node;
  }
  return node;
 },
 getFileDataAsRegularArray: function(node) {
  if (node.contents && node.contents.subarray) {
   var arr = [];
   for (var i = 0; i < node.usedBytes; ++i) arr.push(node.contents[i]);
   return arr;
  }
  return node.contents;
 },
 getFileDataAsTypedArray: function(node) {
  if (!node.contents) return new Uint8Array(0);
  if (node.contents.subarray) return node.contents.subarray(0, node.usedBytes);
  return new Uint8Array(node.contents);
 },
 expandFileStorage: function(node, newCapacity) {
  newCapacity >>>= 0;
  var prevCapacity = node.contents ? node.contents.length : 0;
  if (prevCapacity >= newCapacity) return;
  var CAPACITY_DOUBLING_MAX = 1024 * 1024;
  newCapacity = Math.max(newCapacity, prevCapacity * (prevCapacity < CAPACITY_DOUBLING_MAX ? 2 : 1.125) >>> 0);
  if (prevCapacity != 0) newCapacity = Math.max(newCapacity, 256);
  var oldContents = node.contents;
  node.contents = new Uint8Array(newCapacity);
  if (node.usedBytes > 0) node.contents.set(oldContents.subarray(0, node.usedBytes), 0);
  return;
 },
 resizeFileStorage: function(node, newSize) {
  newSize >>>= 0;
  if (node.usedBytes == newSize) return;
  if (newSize == 0) {
   node.contents = null;
   node.usedBytes = 0;
   return;
  }
  if (!node.contents || node.contents.subarray) {
   var oldContents = node.contents;
   node.contents = new Uint8Array(newSize);
   if (oldContents) {
    node.contents.set(oldContents.subarray(0, Math.min(newSize, node.usedBytes)));
   }
   node.usedBytes = newSize;
   return;
  }
  if (!node.contents) node.contents = [];
  if (node.contents.length > newSize) node.contents.length = newSize; else while (node.contents.length < newSize) node.contents.push(0);
  node.usedBytes = newSize;
 },
 node_ops: {
  getattr: function(node) {
   var attr = {};
   attr.dev = FS.isChrdev(node.mode) ? node.id : 1;
   attr.ino = node.id;
   attr.mode = node.mode;
   attr.nlink = 1;
   attr.uid = 0;
   attr.gid = 0;
   attr.rdev = node.rdev;
   if (FS.isDir(node.mode)) {
    attr.size = 4096;
   } else if (FS.isFile(node.mode)) {
    attr.size = node.usedBytes;
   } else if (FS.isLink(node.mode)) {
    attr.size = node.link.length;
   } else {
    attr.size = 0;
   }
   attr.atime = new Date(node.timestamp);
   attr.mtime = new Date(node.timestamp);
   attr.ctime = new Date(node.timestamp);
   attr.blksize = 4096;
   attr.blocks = Math.ceil(attr.size / attr.blksize);
   return attr;
  },
  setattr: function(node, attr) {
   if (attr.mode !== undefined) {
    node.mode = attr.mode;
   }
   if (attr.timestamp !== undefined) {
    node.timestamp = attr.timestamp;
   }
   if (attr.size !== undefined) {
    MEMFS.resizeFileStorage(node, attr.size);
   }
  },
  lookup: function(parent, name) {
   throw FS.genericErrors[44];
  },
  mknod: function(parent, name, mode, dev) {
   return MEMFS.createNode(parent, name, mode, dev);
  },
  rename: function(old_node, new_dir, new_name) {
   if (FS.isDir(old_node.mode)) {
    var new_node;
    try {
     new_node = FS.lookupNode(new_dir, new_name);
    } catch (e) {}
    if (new_node) {
     for (var i in new_node.contents) {
      throw new FS.ErrnoError(55);
     }
    }
   }
   delete old_node.parent.contents[old_node.name];
   old_node.name = new_name;
   new_dir.contents[new_name] = old_node;
   old_node.parent = new_dir;
  },
  unlink: function(parent, name) {
   delete parent.contents[name];
  },
  rmdir: function(parent, name) {
   var node = FS.lookupNode(parent, name);
   for (var i in node.contents) {
    throw new FS.ErrnoError(55);
   }
   delete parent.contents[name];
  },
  readdir: function(node) {
   var entries = [ ".", ".." ];
   for (var key in node.contents) {
    if (!node.contents.hasOwnProperty(key)) {
     continue;
    }
    entries.push(key);
   }
   return entries;
  },
  symlink: function(parent, newname, oldpath) {
   var node = MEMFS.createNode(parent, newname, 511 | 40960, 0);
   node.link = oldpath;
   return node;
  },
  readlink: function(node) {
   if (!FS.isLink(node.mode)) {
    throw new FS.ErrnoError(28);
   }
   return node.link;
  }
 },
 stream_ops: {
  read: function(stream, buffer, offset, length, position) {
   var contents = stream.node.contents;
   if (position >= stream.node.usedBytes) return 0;
   var size = Math.min(stream.node.usedBytes - position, length);
   if (size > 8 && contents.subarray) {
    buffer.set(contents.subarray(position, position + size), offset);
   } else {
    for (var i = 0; i < size; i++) buffer[offset + i] = contents[position + i];
   }
   return size;
  },
  write: function(stream, buffer, offset, length, position, canOwn) {
   if (buffer.buffer === HEAP8.buffer) {
    canOwn = false;
   }
   if (!length) return 0;
   var node = stream.node;
   node.timestamp = Date.now();
   if (buffer.subarray && (!node.contents || node.contents.subarray)) {
    if (canOwn) {
     node.contents = buffer.subarray(offset, offset + length);
     node.usedBytes = length;
     return length;
    } else if (node.usedBytes === 0 && position === 0) {
     node.contents = buffer.slice(offset, offset + length);
     node.usedBytes = length;
     return length;
    } else if (position + length <= node.usedBytes) {
     node.contents.set(buffer.subarray(offset, offset + length), position);
     return length;
    }
   }
   MEMFS.expandFileStorage(node, position + length);
   if (node.contents.subarray && buffer.subarray) {
    node.contents.set(buffer.subarray(offset, offset + length), position);
   } else {
    for (var i = 0; i < length; i++) {
     node.contents[position + i] = buffer[offset + i];
    }
   }
   node.usedBytes = Math.max(node.usedBytes, position + length);
   return length;
  },
  llseek: function(stream, offset, whence) {
   var position = offset;
   if (whence === 1) {
    position += stream.position;
   } else if (whence === 2) {
    if (FS.isFile(stream.node.mode)) {
     position += stream.node.usedBytes;
    }
   }
   if (position < 0) {
    throw new FS.ErrnoError(28);
   }
   return position;
  },
  allocate: function(stream, offset, length) {
   MEMFS.expandFileStorage(stream.node, offset + length);
   stream.node.usedBytes = Math.max(stream.node.usedBytes, offset + length);
  },
  mmap: function(stream, address, length, position, prot, flags) {
   assert(address === 0);
   if (!FS.isFile(stream.node.mode)) {
    throw new FS.ErrnoError(43);
   }
   var ptr;
   var allocated;
   var contents = stream.node.contents;
   if (!(flags & 2) && contents.buffer === buffer) {
    allocated = false;
    ptr = contents.byteOffset;
   } else {
    if (position > 0 || position + length < contents.length) {
     if (contents.subarray) {
      contents = contents.subarray(position, position + length);
     } else {
      contents = Array.prototype.slice.call(contents, position, position + length);
     }
    }
    allocated = true;
    ptr = FS.mmapAlloc(length);
    if (!ptr) {
     throw new FS.ErrnoError(48);
    }
    ptr >>>= 0;
    HEAP8.set(contents, ptr >>> 0);
   }
   return {
    ptr: ptr,
    allocated: allocated
   };
  },
  msync: function(stream, buffer, offset, length, mmapFlags) {
   if (!FS.isFile(stream.node.mode)) {
    throw new FS.ErrnoError(43);
   }
   if (mmapFlags & 2) {
    return 0;
   }
   var bytesWritten = MEMFS.stream_ops.write(stream, buffer, 0, length, offset, false);
   return 0;
  }
 }
};

var FS = {
 root: null,
 mounts: [],
 devices: {},
 streams: [],
 nextInode: 1,
 nameTable: null,
 currentPath: "/",
 initialized: false,
 ignorePermissions: true,
 trackingDelegate: {},
 tracking: {
  openFlags: {
   READ: 1,
   WRITE: 2
  }
 },
 ErrnoError: null,
 genericErrors: {},
 filesystems: null,
 syncFSRequests: 0,
 handleFSError: function(e) {
  if (!(e instanceof FS.ErrnoError)) throw e + " : " + stackTrace();
  return setErrNo(e.errno);
 },
 lookupPath: function(path, opts) {
  path = PATH_FS.resolve(FS.cwd(), path);
  opts = opts || {};
  if (!path) return {
   path: "",
   node: null
  };
  var defaults = {
   follow_mount: true,
   recurse_count: 0
  };
  for (var key in defaults) {
   if (opts[key] === undefined) {
    opts[key] = defaults[key];
   }
  }
  if (opts.recurse_count > 8) {
   throw new FS.ErrnoError(32);
  }
  var parts = PATH.normalizeArray(path.split("/").filter(function(p) {
   return !!p;
  }), false);
  var current = FS.root;
  var current_path = "/";
  for (var i = 0; i < parts.length; i++) {
   var islast = i === parts.length - 1;
   if (islast && opts.parent) {
    break;
   }
   current = FS.lookupNode(current, parts[i]);
   current_path = PATH.join2(current_path, parts[i]);
   if (FS.isMountpoint(current)) {
    if (!islast || islast && opts.follow_mount) {
     current = current.mounted.root;
    }
   }
   if (!islast || opts.follow) {
    var count = 0;
    while (FS.isLink(current.mode)) {
     var link = FS.readlink(current_path);
     current_path = PATH_FS.resolve(PATH.dirname(current_path), link);
     var lookup = FS.lookupPath(current_path, {
      recurse_count: opts.recurse_count
     });
     current = lookup.node;
     if (count++ > 40) {
      throw new FS.ErrnoError(32);
     }
    }
   }
  }
  return {
   path: current_path,
   node: current
  };
 },
 getPath: function(node) {
  var path;
  while (true) {
   if (FS.isRoot(node)) {
    var mount = node.mount.mountpoint;
    if (!path) return mount;
    return mount[mount.length - 1] !== "/" ? mount + "/" + path : mount + path;
   }
   path = path ? node.name + "/" + path : node.name;
   node = node.parent;
  }
 },
 hashName: function(parentid, name) {
  var hash = 0;
  for (var i = 0; i < name.length; i++) {
   hash = (hash << 5) - hash + name.charCodeAt(i) | 0;
  }
  return (parentid + hash >>> 0) % FS.nameTable.length;
 },
 hashAddNode: function(node) {
  var hash = FS.hashName(node.parent.id, node.name);
  node.name_next = FS.nameTable[hash];
  FS.nameTable[hash] = node;
 },
 hashRemoveNode: function(node) {
  var hash = FS.hashName(node.parent.id, node.name);
  if (FS.nameTable[hash] === node) {
   FS.nameTable[hash] = node.name_next;
  } else {
   var current = FS.nameTable[hash];
   while (current) {
    if (current.name_next === node) {
     current.name_next = node.name_next;
     break;
    }
    current = current.name_next;
   }
  }
 },
 lookupNode: function(parent, name) {
  var errCode = FS.mayLookup(parent);
  if (errCode) {
   throw new FS.ErrnoError(errCode, parent);
  }
  var hash = FS.hashName(parent.id, name);
  for (var node = FS.nameTable[hash]; node; node = node.name_next) {
   var nodeName = node.name;
   if (node.parent.id === parent.id && nodeName === name) {
    return node;
   }
  }
  return FS.lookup(parent, name);
 },
 createNode: function(parent, name, mode, rdev) {
  var node = new FS.FSNode(parent, name, mode, rdev);
  FS.hashAddNode(node);
  return node;
 },
 destroyNode: function(node) {
  FS.hashRemoveNode(node);
 },
 isRoot: function(node) {
  return node === node.parent;
 },
 isMountpoint: function(node) {
  return !!node.mounted;
 },
 isFile: function(mode) {
  return (mode & 61440) === 32768;
 },
 isDir: function(mode) {
  return (mode & 61440) === 16384;
 },
 isLink: function(mode) {
  return (mode & 61440) === 40960;
 },
 isChrdev: function(mode) {
  return (mode & 61440) === 8192;
 },
 isBlkdev: function(mode) {
  return (mode & 61440) === 24576;
 },
 isFIFO: function(mode) {
  return (mode & 61440) === 4096;
 },
 isSocket: function(mode) {
  return (mode & 49152) === 49152;
 },
 flagModes: {
  "r": 0,
  "rs": 1052672,
  "r+": 2,
  "w": 577,
  "wx": 705,
  "xw": 705,
  "w+": 578,
  "wx+": 706,
  "xw+": 706,
  "a": 1089,
  "ax": 1217,
  "xa": 1217,
  "a+": 1090,
  "ax+": 1218,
  "xa+": 1218
 },
 modeStringToFlags: function(str) {
  var flags = FS.flagModes[str];
  if (typeof flags === "undefined") {
   throw new Error("Unknown file open mode: " + str);
  }
  return flags;
 },
 flagsToPermissionString: function(flag) {
  var perms = [ "r", "w", "rw" ][flag & 3];
  if (flag & 512) {
   perms += "w";
  }
  return perms;
 },
 nodePermissions: function(node, perms) {
  if (FS.ignorePermissions) {
   return 0;
  }
  if (perms.indexOf("r") !== -1 && !(node.mode & 292)) {
   return 2;
  } else if (perms.indexOf("w") !== -1 && !(node.mode & 146)) {
   return 2;
  } else if (perms.indexOf("x") !== -1 && !(node.mode & 73)) {
   return 2;
  }
  return 0;
 },
 mayLookup: function(dir) {
  var errCode = FS.nodePermissions(dir, "x");
  if (errCode) return errCode;
  if (!dir.node_ops.lookup) return 2;
  return 0;
 },
 mayCreate: function(dir, name) {
  try {
   var node = FS.lookupNode(dir, name);
   return 20;
  } catch (e) {}
  return FS.nodePermissions(dir, "wx");
 },
 mayDelete: function(dir, name, isdir) {
  var node;
  try {
   node = FS.lookupNode(dir, name);
  } catch (e) {
   return e.errno;
  }
  var errCode = FS.nodePermissions(dir, "wx");
  if (errCode) {
   return errCode;
  }
  if (isdir) {
   if (!FS.isDir(node.mode)) {
    return 54;
   }
   if (FS.isRoot(node) || FS.getPath(node) === FS.cwd()) {
    return 10;
   }
  } else {
   if (FS.isDir(node.mode)) {
    return 31;
   }
  }
  return 0;
 },
 mayOpen: function(node, flags) {
  if (!node) {
   return 44;
  }
  if (FS.isLink(node.mode)) {
   return 32;
  } else if (FS.isDir(node.mode)) {
   if (FS.flagsToPermissionString(flags) !== "r" || flags & 512) {
    return 31;
   }
  }
  return FS.nodePermissions(node, FS.flagsToPermissionString(flags));
 },
 MAX_OPEN_FDS: 4096,
 nextfd: function(fd_start, fd_end) {
  fd_start = fd_start || 0;
  fd_end = fd_end || FS.MAX_OPEN_FDS;
  for (var fd = fd_start; fd <= fd_end; fd++) {
   if (!FS.streams[fd]) {
    return fd;
   }
  }
  throw new FS.ErrnoError(33);
 },
 getStream: function(fd) {
  return FS.streams[fd];
 },
 createStream: function(stream, fd_start, fd_end) {
  if (!FS.FSStream) {
   FS.FSStream = function() {};
   FS.FSStream.prototype = {
    object: {
     get: function() {
      return this.node;
     },
     set: function(val) {
      this.node = val;
     }
    },
    isRead: {
     get: function() {
      return (this.flags & 2097155) !== 1;
     }
    },
    isWrite: {
     get: function() {
      return (this.flags & 2097155) !== 0;
     }
    },
    isAppend: {
     get: function() {
      return this.flags & 1024;
     }
    }
   };
  }
  var newStream = new FS.FSStream();
  for (var p in stream) {
   newStream[p] = stream[p];
  }
  stream = newStream;
  var fd = FS.nextfd(fd_start, fd_end);
  stream.fd = fd;
  FS.streams[fd] = stream;
  return stream;
 },
 closeStream: function(fd) {
  FS.streams[fd] = null;
 },
 chrdev_stream_ops: {
  open: function(stream) {
   var device = FS.getDevice(stream.node.rdev);
   stream.stream_ops = device.stream_ops;
   if (stream.stream_ops.open) {
    stream.stream_ops.open(stream);
   }
  },
  llseek: function() {
   throw new FS.ErrnoError(70);
  }
 },
 major: function(dev) {
  return dev >> 8;
 },
 minor: function(dev) {
  return dev & 255;
 },
 makedev: function(ma, mi) {
  return ma << 8 | mi;
 },
 registerDevice: function(dev, ops) {
  FS.devices[dev] = {
   stream_ops: ops
  };
 },
 getDevice: function(dev) {
  return FS.devices[dev];
 },
 getMounts: function(mount) {
  var mounts = [];
  var check = [ mount ];
  while (check.length) {
   var m = check.pop();
   mounts.push(m);
   check.push.apply(check, m.mounts);
  }
  return mounts;
 },
 syncfs: function(populate, callback) {
  if (typeof populate === "function") {
   callback = populate;
   populate = false;
  }
  FS.syncFSRequests++;
  if (FS.syncFSRequests > 1) {
   err("warning: " + FS.syncFSRequests + " FS.syncfs operations in flight at once, probably just doing extra work");
  }
  var mounts = FS.getMounts(FS.root.mount);
  var completed = 0;
  function doCallback(errCode) {
   FS.syncFSRequests--;
   return callback(errCode);
  }
  function done(errCode) {
   if (errCode) {
    if (!done.errored) {
     done.errored = true;
     return doCallback(errCode);
    }
    return;
   }
   if (++completed >= mounts.length) {
    doCallback(null);
   }
  }
  mounts.forEach(function(mount) {
   if (!mount.type.syncfs) {
    return done(null);
   }
   mount.type.syncfs(mount, populate, done);
  });
 },
 mount: function(type, opts, mountpoint) {
  var root = mountpoint === "/";
  var pseudo = !mountpoint;
  var node;
  if (root && FS.root) {
   throw new FS.ErrnoError(10);
  } else if (!root && !pseudo) {
   var lookup = FS.lookupPath(mountpoint, {
    follow_mount: false
   });
   mountpoint = lookup.path;
   node = lookup.node;
   if (FS.isMountpoint(node)) {
    throw new FS.ErrnoError(10);
   }
   if (!FS.isDir(node.mode)) {
    throw new FS.ErrnoError(54);
   }
  }
  var mount = {
   type: type,
   opts: opts,
   mountpoint: mountpoint,
   mounts: []
  };
  var mountRoot = type.mount(mount);
  mountRoot.mount = mount;
  mount.root = mountRoot;
  if (root) {
   FS.root = mountRoot;
  } else if (node) {
   node.mounted = mount;
   if (node.mount) {
    node.mount.mounts.push(mount);
   }
  }
  return mountRoot;
 },
 unmount: function(mountpoint) {
  var lookup = FS.lookupPath(mountpoint, {
   follow_mount: false
  });
  if (!FS.isMountpoint(lookup.node)) {
   throw new FS.ErrnoError(28);
  }
  var node = lookup.node;
  var mount = node.mounted;
  var mounts = FS.getMounts(mount);
  Object.keys(FS.nameTable).forEach(function(hash) {
   var current = FS.nameTable[hash];
   while (current) {
    var next = current.name_next;
    if (mounts.indexOf(current.mount) !== -1) {
     FS.destroyNode(current);
    }
    current = next;
   }
  });
  node.mounted = null;
  var idx = node.mount.mounts.indexOf(mount);
  node.mount.mounts.splice(idx, 1);
 },
 lookup: function(parent, name) {
  return parent.node_ops.lookup(parent, name);
 },
 mknod: function(path, mode, dev) {
  var lookup = FS.lookupPath(path, {
   parent: true
  });
  var parent = lookup.node;
  var name = PATH.basename(path);
  if (!name || name === "." || name === "..") {
   throw new FS.ErrnoError(28);
  }
  var errCode = FS.mayCreate(parent, name);
  if (errCode) {
   throw new FS.ErrnoError(errCode);
  }
  if (!parent.node_ops.mknod) {
   throw new FS.ErrnoError(63);
  }
  return parent.node_ops.mknod(parent, name, mode, dev);
 },
 create: function(path, mode) {
  mode = mode !== undefined ? mode : 438;
  mode &= 4095;
  mode |= 32768;
  return FS.mknod(path, mode, 0);
 },
 mkdir: function(path, mode) {
  mode = mode !== undefined ? mode : 511;
  mode &= 511 | 512;
  mode |= 16384;
  return FS.mknod(path, mode, 0);
 },
 mkdirTree: function(path, mode) {
  var dirs = path.split("/");
  var d = "";
  for (var i = 0; i < dirs.length; ++i) {
   if (!dirs[i]) continue;
   d += "/" + dirs[i];
   try {
    FS.mkdir(d, mode);
   } catch (e) {
    if (e.errno != 20) throw e;
   }
  }
 },
 mkdev: function(path, mode, dev) {
  if (typeof dev === "undefined") {
   dev = mode;
   mode = 438;
  }
  mode |= 8192;
  return FS.mknod(path, mode, dev);
 },
 symlink: function(oldpath, newpath) {
  if (!PATH_FS.resolve(oldpath)) {
   throw new FS.ErrnoError(44);
  }
  var lookup = FS.lookupPath(newpath, {
   parent: true
  });
  var parent = lookup.node;
  if (!parent) {
   throw new FS.ErrnoError(44);
  }
  var newname = PATH.basename(newpath);
  var errCode = FS.mayCreate(parent, newname);
  if (errCode) {
   throw new FS.ErrnoError(errCode);
  }
  if (!parent.node_ops.symlink) {
   throw new FS.ErrnoError(63);
  }
  return parent.node_ops.symlink(parent, newname, oldpath);
 },
 rename: function(old_path, new_path) {
  var old_dirname = PATH.dirname(old_path);
  var new_dirname = PATH.dirname(new_path);
  var old_name = PATH.basename(old_path);
  var new_name = PATH.basename(new_path);
  var lookup, old_dir, new_dir;
  try {
   lookup = FS.lookupPath(old_path, {
    parent: true
   });
   old_dir = lookup.node;
   lookup = FS.lookupPath(new_path, {
    parent: true
   });
   new_dir = lookup.node;
  } catch (e) {
   throw new FS.ErrnoError(10);
  }
  if (!old_dir || !new_dir) throw new FS.ErrnoError(44);
  if (old_dir.mount !== new_dir.mount) {
   throw new FS.ErrnoError(75);
  }
  var old_node = FS.lookupNode(old_dir, old_name);
  var relative = PATH_FS.relative(old_path, new_dirname);
  if (relative.charAt(0) !== ".") {
   throw new FS.ErrnoError(28);
  }
  relative = PATH_FS.relative(new_path, old_dirname);
  if (relative.charAt(0) !== ".") {
   throw new FS.ErrnoError(55);
  }
  var new_node;
  try {
   new_node = FS.lookupNode(new_dir, new_name);
  } catch (e) {}
  if (old_node === new_node) {
   return;
  }
  var isdir = FS.isDir(old_node.mode);
  var errCode = FS.mayDelete(old_dir, old_name, isdir);
  if (errCode) {
   throw new FS.ErrnoError(errCode);
  }
  errCode = new_node ? FS.mayDelete(new_dir, new_name, isdir) : FS.mayCreate(new_dir, new_name);
  if (errCode) {
   throw new FS.ErrnoError(errCode);
  }
  if (!old_dir.node_ops.rename) {
   throw new FS.ErrnoError(63);
  }
  if (FS.isMountpoint(old_node) || new_node && FS.isMountpoint(new_node)) {
   throw new FS.ErrnoError(10);
  }
  if (new_dir !== old_dir) {
   errCode = FS.nodePermissions(old_dir, "w");
   if (errCode) {
    throw new FS.ErrnoError(errCode);
   }
  }
  try {
   if (FS.trackingDelegate["willMovePath"]) {
    FS.trackingDelegate["willMovePath"](old_path, new_path);
   }
  } catch (e) {
   err("FS.trackingDelegate['willMovePath']('" + old_path + "', '" + new_path + "') threw an exception: " + e.message);
  }
  FS.hashRemoveNode(old_node);
  try {
   old_dir.node_ops.rename(old_node, new_dir, new_name);
  } catch (e) {
   throw e;
  } finally {
   FS.hashAddNode(old_node);
  }
  try {
   if (FS.trackingDelegate["onMovePath"]) FS.trackingDelegate["onMovePath"](old_path, new_path);
  } catch (e) {
   err("FS.trackingDelegate['onMovePath']('" + old_path + "', '" + new_path + "') threw an exception: " + e.message);
  }
 },
 rmdir: function(path) {
  var lookup = FS.lookupPath(path, {
   parent: true
  });
  var parent = lookup.node;
  var name = PATH.basename(path);
  var node = FS.lookupNode(parent, name);
  var errCode = FS.mayDelete(parent, name, true);
  if (errCode) {
   throw new FS.ErrnoError(errCode);
  }
  if (!parent.node_ops.rmdir) {
   throw new FS.ErrnoError(63);
  }
  if (FS.isMountpoint(node)) {
   throw new FS.ErrnoError(10);
  }
  try {
   if (FS.trackingDelegate["willDeletePath"]) {
    FS.trackingDelegate["willDeletePath"](path);
   }
  } catch (e) {
   err("FS.trackingDelegate['willDeletePath']('" + path + "') threw an exception: " + e.message);
  }
  parent.node_ops.rmdir(parent, name);
  FS.destroyNode(node);
  try {
   if (FS.trackingDelegate["onDeletePath"]) FS.trackingDelegate["onDeletePath"](path);
  } catch (e) {
   err("FS.trackingDelegate['onDeletePath']('" + path + "') threw an exception: " + e.message);
  }
 },
 readdir: function(path) {
  var lookup = FS.lookupPath(path, {
   follow: true
  });
  var node = lookup.node;
  if (!node.node_ops.readdir) {
   throw new FS.ErrnoError(54);
  }
  return node.node_ops.readdir(node);
 },
 unlink: function(path) {
  var lookup = FS.lookupPath(path, {
   parent: true
  });
  var parent = lookup.node;
  var name = PATH.basename(path);
  var node = FS.lookupNode(parent, name);
  var errCode = FS.mayDelete(parent, name, false);
  if (errCode) {
   throw new FS.ErrnoError(errCode);
  }
  if (!parent.node_ops.unlink) {
   throw new FS.ErrnoError(63);
  }
  if (FS.isMountpoint(node)) {
   throw new FS.ErrnoError(10);
  }
  try {
   if (FS.trackingDelegate["willDeletePath"]) {
    FS.trackingDelegate["willDeletePath"](path);
   }
  } catch (e) {
   err("FS.trackingDelegate['willDeletePath']('" + path + "') threw an exception: " + e.message);
  }
  parent.node_ops.unlink(parent, name);
  FS.destroyNode(node);
  try {
   if (FS.trackingDelegate["onDeletePath"]) FS.trackingDelegate["onDeletePath"](path);
  } catch (e) {
   err("FS.trackingDelegate['onDeletePath']('" + path + "') threw an exception: " + e.message);
  }
 },
 readlink: function(path) {
  var lookup = FS.lookupPath(path);
  var link = lookup.node;
  if (!link) {
   throw new FS.ErrnoError(44);
  }
  if (!link.node_ops.readlink) {
   throw new FS.ErrnoError(28);
  }
  return PATH_FS.resolve(FS.getPath(link.parent), link.node_ops.readlink(link));
 },
 stat: function(path, dontFollow) {
  var lookup = FS.lookupPath(path, {
   follow: !dontFollow
  });
  var node = lookup.node;
  if (!node) {
   throw new FS.ErrnoError(44);
  }
  if (!node.node_ops.getattr) {
   throw new FS.ErrnoError(63);
  }
  return node.node_ops.getattr(node);
 },
 lstat: function(path) {
  return FS.stat(path, true);
 },
 chmod: function(path, mode, dontFollow) {
  var node;
  if (typeof path === "string") {
   var lookup = FS.lookupPath(path, {
    follow: !dontFollow
   });
   node = lookup.node;
  } else {
   node = path;
  }
  if (!node.node_ops.setattr) {
   throw new FS.ErrnoError(63);
  }
  node.node_ops.setattr(node, {
   mode: mode & 4095 | node.mode & ~4095,
   timestamp: Date.now()
  });
 },
 lchmod: function(path, mode) {
  FS.chmod(path, mode, true);
 },
 fchmod: function(fd, mode) {
  var stream = FS.getStream(fd);
  if (!stream) {
   throw new FS.ErrnoError(8);
  }
  FS.chmod(stream.node, mode);
 },
 chown: function(path, uid, gid, dontFollow) {
  var node;
  if (typeof path === "string") {
   var lookup = FS.lookupPath(path, {
    follow: !dontFollow
   });
   node = lookup.node;
  } else {
   node = path;
  }
  if (!node.node_ops.setattr) {
   throw new FS.ErrnoError(63);
  }
  node.node_ops.setattr(node, {
   timestamp: Date.now()
  });
 },
 lchown: function(path, uid, gid) {
  FS.chown(path, uid, gid, true);
 },
 fchown: function(fd, uid, gid) {
  var stream = FS.getStream(fd);
  if (!stream) {
   throw new FS.ErrnoError(8);
  }
  FS.chown(stream.node, uid, gid);
 },
 truncate: function(path, len) {
  if (len < 0) {
   throw new FS.ErrnoError(28);
  }
  var node;
  if (typeof path === "string") {
   var lookup = FS.lookupPath(path, {
    follow: true
   });
   node = lookup.node;
  } else {
   node = path;
  }
  if (!node.node_ops.setattr) {
   throw new FS.ErrnoError(63);
  }
  if (FS.isDir(node.mode)) {
   throw new FS.ErrnoError(31);
  }
  if (!FS.isFile(node.mode)) {
   throw new FS.ErrnoError(28);
  }
  var errCode = FS.nodePermissions(node, "w");
  if (errCode) {
   throw new FS.ErrnoError(errCode);
  }
  node.node_ops.setattr(node, {
   size: len,
   timestamp: Date.now()
  });
 },
 ftruncate: function(fd, len) {
  var stream = FS.getStream(fd);
  if (!stream) {
   throw new FS.ErrnoError(8);
  }
  if ((stream.flags & 2097155) === 0) {
   throw new FS.ErrnoError(28);
  }
  FS.truncate(stream.node, len);
 },
 utime: function(path, atime, mtime) {
  var lookup = FS.lookupPath(path, {
   follow: true
  });
  var node = lookup.node;
  node.node_ops.setattr(node, {
   timestamp: Math.max(atime, mtime)
  });
 },
 open: function(path, flags, mode, fd_start, fd_end) {
  if (path === "") {
   throw new FS.ErrnoError(44);
  }
  flags = typeof flags === "string" ? FS.modeStringToFlags(flags) : flags;
  mode = typeof mode === "undefined" ? 438 : mode;
  if (flags & 64) {
   mode = mode & 4095 | 32768;
  } else {
   mode = 0;
  }
  var node;
  if (typeof path === "object") {
   node = path;
  } else {
   path = PATH.normalize(path);
   try {
    var lookup = FS.lookupPath(path, {
     follow: !(flags & 131072)
    });
    node = lookup.node;
   } catch (e) {}
  }
  var created = false;
  if (flags & 64) {
   if (node) {
    if (flags & 128) {
     throw new FS.ErrnoError(20);
    }
   } else {
    node = FS.mknod(path, mode, 0);
    created = true;
   }
  }
  if (!node) {
   throw new FS.ErrnoError(44);
  }
  if (FS.isChrdev(node.mode)) {
   flags &= ~512;
  }
  if (flags & 65536 && !FS.isDir(node.mode)) {
   throw new FS.ErrnoError(54);
  }
  if (!created) {
   var errCode = FS.mayOpen(node, flags);
   if (errCode) {
    throw new FS.ErrnoError(errCode);
   }
  }
  if (flags & 512) {
   FS.truncate(node, 0);
  }
  flags &= ~(128 | 512 | 131072);
  var stream = FS.createStream({
   node: node,
   path: FS.getPath(node),
   flags: flags,
   seekable: true,
   position: 0,
   stream_ops: node.stream_ops,
   ungotten: [],
   error: false
  }, fd_start, fd_end);
  if (stream.stream_ops.open) {
   stream.stream_ops.open(stream);
  }
  if (Module["logReadFiles"] && !(flags & 1)) {
   if (!FS.readFiles) FS.readFiles = {};
   if (!(path in FS.readFiles)) {
    FS.readFiles[path] = 1;
    err("FS.trackingDelegate error on read file: " + path);
   }
  }
  try {
   if (FS.trackingDelegate["onOpenFile"]) {
    var trackingFlags = 0;
    if ((flags & 2097155) !== 1) {
     trackingFlags |= FS.tracking.openFlags.READ;
    }
    if ((flags & 2097155) !== 0) {
     trackingFlags |= FS.tracking.openFlags.WRITE;
    }
    FS.trackingDelegate["onOpenFile"](path, trackingFlags);
   }
  } catch (e) {
   err("FS.trackingDelegate['onOpenFile']('" + path + "', flags) threw an exception: " + e.message);
  }
  return stream;
 },
 close: function(stream) {
  if (FS.isClosed(stream)) {
   throw new FS.ErrnoError(8);
  }
  if (stream.getdents) stream.getdents = null;
  try {
   if (stream.stream_ops.close) {
    stream.stream_ops.close(stream);
   }
  } catch (e) {
   throw e;
  } finally {
   FS.closeStream(stream.fd);
  }
  stream.fd = null;
 },
 isClosed: function(stream) {
  return stream.fd === null;
 },
 llseek: function(stream, offset, whence) {
  if (FS.isClosed(stream)) {
   throw new FS.ErrnoError(8);
  }
  if (!stream.seekable || !stream.stream_ops.llseek) {
   throw new FS.ErrnoError(70);
  }
  if (whence != 0 && whence != 1 && whence != 2) {
   throw new FS.ErrnoError(28);
  }
  stream.position = stream.stream_ops.llseek(stream, offset, whence);
  stream.ungotten = [];
  return stream.position;
 },
 read: function(stream, buffer, offset, length, position) {
  offset >>>= 0;
  if (length < 0 || position < 0) {
   throw new FS.ErrnoError(28);
  }
  if (FS.isClosed(stream)) {
   throw new FS.ErrnoError(8);
  }
  if ((stream.flags & 2097155) === 1) {
   throw new FS.ErrnoError(8);
  }
  if (FS.isDir(stream.node.mode)) {
   throw new FS.ErrnoError(31);
  }
  if (!stream.stream_ops.read) {
   throw new FS.ErrnoError(28);
  }
  var seeking = typeof position !== "undefined";
  if (!seeking) {
   position = stream.position;
  } else if (!stream.seekable) {
   throw new FS.ErrnoError(70);
  }
  var bytesRead = stream.stream_ops.read(stream, buffer, offset, length, position);
  if (!seeking) stream.position += bytesRead;
  return bytesRead;
 },
 write: function(stream, buffer, offset, length, position, canOwn) {
  offset >>>= 0;
  if (length < 0 || position < 0) {
   throw new FS.ErrnoError(28);
  }
  if (FS.isClosed(stream)) {
   throw new FS.ErrnoError(8);
  }
  if ((stream.flags & 2097155) === 0) {
   throw new FS.ErrnoError(8);
  }
  if (FS.isDir(stream.node.mode)) {
   throw new FS.ErrnoError(31);
  }
  if (!stream.stream_ops.write) {
   throw new FS.ErrnoError(28);
  }
  if (stream.seekable && stream.flags & 1024) {
   FS.llseek(stream, 0, 2);
  }
  var seeking = typeof position !== "undefined";
  if (!seeking) {
   position = stream.position;
  } else if (!stream.seekable) {
   throw new FS.ErrnoError(70);
  }
  var bytesWritten = stream.stream_ops.write(stream, buffer, offset, length, position, canOwn);
  if (!seeking) stream.position += bytesWritten;
  try {
   if (stream.path && FS.trackingDelegate["onWriteToFile"]) FS.trackingDelegate["onWriteToFile"](stream.path);
  } catch (e) {
   err("FS.trackingDelegate['onWriteToFile']('" + stream.path + "') threw an exception: " + e.message);
  }
  return bytesWritten;
 },
 allocate: function(stream, offset, length) {
  if (FS.isClosed(stream)) {
   throw new FS.ErrnoError(8);
  }
  if (offset < 0 || length <= 0) {
   throw new FS.ErrnoError(28);
  }
  if ((stream.flags & 2097155) === 0) {
   throw new FS.ErrnoError(8);
  }
  if (!FS.isFile(stream.node.mode) && !FS.isDir(stream.node.mode)) {
   throw new FS.ErrnoError(43);
  }
  if (!stream.stream_ops.allocate) {
   throw new FS.ErrnoError(138);
  }
  stream.stream_ops.allocate(stream, offset, length);
 },
 mmap: function(stream, address, length, position, prot, flags) {
  address >>>= 0;
  if ((prot & 2) !== 0 && (flags & 2) === 0 && (stream.flags & 2097155) !== 2) {
   throw new FS.ErrnoError(2);
  }
  if ((stream.flags & 2097155) === 1) {
   throw new FS.ErrnoError(2);
  }
  if (!stream.stream_ops.mmap) {
   throw new FS.ErrnoError(43);
  }
  return stream.stream_ops.mmap(stream, address, length, position, prot, flags);
 },
 msync: function(stream, buffer, offset, length, mmapFlags) {
  offset >>>= 0;
  if (!stream || !stream.stream_ops.msync) {
   return 0;
  }
  return stream.stream_ops.msync(stream, buffer, offset, length, mmapFlags);
 },
 munmap: function(stream) {
  return 0;
 },
 ioctl: function(stream, cmd, arg) {
  if (!stream.stream_ops.ioctl) {
   throw new FS.ErrnoError(59);
  }
  return stream.stream_ops.ioctl(stream, cmd, arg);
 },
 readFile: function(path, opts) {
  opts = opts || {};
  opts.flags = opts.flags || "r";
  opts.encoding = opts.encoding || "binary";
  if (opts.encoding !== "utf8" && opts.encoding !== "binary") {
   throw new Error('Invalid encoding type "' + opts.encoding + '"');
  }
  var ret;
  var stream = FS.open(path, opts.flags);
  var stat = FS.stat(path);
  var length = stat.size;
  var buf = new Uint8Array(length);
  FS.read(stream, buf, 0, length, 0);
  if (opts.encoding === "utf8") {
   ret = UTF8ArrayToString(buf, 0);
  } else if (opts.encoding === "binary") {
   ret = buf;
  }
  FS.close(stream);
  return ret;
 },
 writeFile: function(path, data, opts) {
  opts = opts || {};
  opts.flags = opts.flags || "w";
  var stream = FS.open(path, opts.flags, opts.mode);
  if (typeof data === "string") {
   var buf = new Uint8Array(lengthBytesUTF8(data) + 1);
   var actualNumBytes = stringToUTF8Array(data, buf, 0, buf.length);
   FS.write(stream, buf, 0, actualNumBytes, undefined, opts.canOwn);
  } else if (ArrayBuffer.isView(data)) {
   FS.write(stream, data, 0, data.byteLength, undefined, opts.canOwn);
  } else {
   throw new Error("Unsupported data type");
  }
  FS.close(stream);
 },
 cwd: function() {
  return FS.currentPath;
 },
 chdir: function(path) {
  var lookup = FS.lookupPath(path, {
   follow: true
  });
  if (lookup.node === null) {
   throw new FS.ErrnoError(44);
  }
  if (!FS.isDir(lookup.node.mode)) {
   throw new FS.ErrnoError(54);
  }
  var errCode = FS.nodePermissions(lookup.node, "x");
  if (errCode) {
   throw new FS.ErrnoError(errCode);
  }
  FS.currentPath = lookup.path;
 },
 createDefaultDirectories: function() {
  FS.mkdir("/tmp");
  FS.mkdir("/home");
  FS.mkdir("/home/web_user");
 },
 createDefaultDevices: function() {
  FS.mkdir("/dev");
  FS.registerDevice(FS.makedev(1, 3), {
   read: function() {
    return 0;
   },
   write: function(stream, buffer, offset, length, pos) {
    return length;
   }
  });
  FS.mkdev("/dev/null", FS.makedev(1, 3));
  TTY.register(FS.makedev(5, 0), TTY.default_tty_ops);
  TTY.register(FS.makedev(6, 0), TTY.default_tty1_ops);
  FS.mkdev("/dev/tty", FS.makedev(5, 0));
  FS.mkdev("/dev/tty1", FS.makedev(6, 0));
  var random_device;
  if (typeof crypto === "object" && typeof crypto["getRandomValues"] === "function") {
   var randomBuffer = new Uint8Array(1);
   random_device = function() {
    crypto.getRandomValues(randomBuffer);
    return randomBuffer[0];
   };
  } else if (ENVIRONMENT_IS_NODE) {
   try {
    var crypto_module = require("crypto");
    random_device = function() {
     return crypto_module["randomBytes"](1)[0];
    };
   } catch (e) {}
  } else {}
  if (!random_device) {
   random_device = function() {
    abort("random_device");
   };
  }
  FS.createDevice("/dev", "random", random_device);
  FS.createDevice("/dev", "urandom", random_device);
  FS.mkdir("/dev/shm");
  FS.mkdir("/dev/shm/tmp");
 },
 createSpecialDirectories: function() {
  FS.mkdir("/proc");
  FS.mkdir("/proc/self");
  FS.mkdir("/proc/self/fd");
  FS.mount({
   mount: function() {
    var node = FS.createNode("/proc/self", "fd", 16384 | 511, 73);
    node.node_ops = {
     lookup: function(parent, name) {
      var fd = +name;
      var stream = FS.getStream(fd);
      if (!stream) throw new FS.ErrnoError(8);
      var ret = {
       parent: null,
       mount: {
        mountpoint: "fake"
       },
       node_ops: {
        readlink: function() {
         return stream.path;
        }
       }
      };
      ret.parent = ret;
      return ret;
     }
    };
    return node;
   }
  }, {}, "/proc/self/fd");
 },
 createStandardStreams: function() {
  if (Module["stdin"]) {
   FS.createDevice("/dev", "stdin", Module["stdin"]);
  } else {
   FS.symlink("/dev/tty", "/dev/stdin");
  }
  if (Module["stdout"]) {
   FS.createDevice("/dev", "stdout", null, Module["stdout"]);
  } else {
   FS.symlink("/dev/tty", "/dev/stdout");
  }
  if (Module["stderr"]) {
   FS.createDevice("/dev", "stderr", null, Module["stderr"]);
  } else {
   FS.symlink("/dev/tty1", "/dev/stderr");
  }
  var stdin = FS.open("/dev/stdin", "r");
  var stdout = FS.open("/dev/stdout", "w");
  var stderr = FS.open("/dev/stderr", "w");
 },
 ensureErrnoError: function() {
  if (FS.ErrnoError) return;
  FS.ErrnoError = function ErrnoError(errno, node) {
   this.node = node;
   this.setErrno = function(errno) {
    this.errno = errno;
   };
   this.setErrno(errno);
   this.message = "FS error";
  };
  FS.ErrnoError.prototype = new Error();
  FS.ErrnoError.prototype.constructor = FS.ErrnoError;
  [ 44 ].forEach(function(code) {
   FS.genericErrors[code] = new FS.ErrnoError(code);
   FS.genericErrors[code].stack = "<generic error, no stack>";
  });
 },
 staticInit: function() {
  FS.ensureErrnoError();
  FS.nameTable = new Array(4096);
  FS.mount(MEMFS, {}, "/");
  FS.createDefaultDirectories();
  FS.createDefaultDevices();
  FS.createSpecialDirectories();
  FS.filesystems = {
   "MEMFS": MEMFS
  };
 },
 init: function(input, output, error) {
  FS.init.initialized = true;
  FS.ensureErrnoError();
  Module["stdin"] = input || Module["stdin"];
  Module["stdout"] = output || Module["stdout"];
  Module["stderr"] = error || Module["stderr"];
  FS.createStandardStreams();
 },
 quit: function() {
  FS.init.initialized = false;
  var fflush = Module["_fflush"];
  if (fflush) fflush(0);
  for (var i = 0; i < FS.streams.length; i++) {
   var stream = FS.streams[i];
   if (!stream) {
    continue;
   }
   FS.close(stream);
  }
 },
 getMode: function(canRead, canWrite) {
  var mode = 0;
  if (canRead) mode |= 292 | 73;
  if (canWrite) mode |= 146;
  return mode;
 },
 joinPath: function(parts, forceRelative) {
  var path = PATH.join.apply(null, parts);
  if (forceRelative && path[0] == "/") path = path.substr(1);
  return path;
 },
 absolutePath: function(relative, base) {
  return PATH_FS.resolve(base, relative);
 },
 standardizePath: function(path) {
  return PATH.normalize(path);
 },
 findObject: function(path, dontResolveLastLink) {
  var ret = FS.analyzePath(path, dontResolveLastLink);
  if (ret.exists) {
   return ret.object;
  } else {
   setErrNo(ret.error);
   return null;
  }
 },
 analyzePath: function(path, dontResolveLastLink) {
  try {
   var lookup = FS.lookupPath(path, {
    follow: !dontResolveLastLink
   });
   path = lookup.path;
  } catch (e) {}
  var ret = {
   isRoot: false,
   exists: false,
   error: 0,
   name: null,
   path: null,
   object: null,
   parentExists: false,
   parentPath: null,
   parentObject: null
  };
  try {
   var lookup = FS.lookupPath(path, {
    parent: true
   });
   ret.parentExists = true;
   ret.parentPath = lookup.path;
   ret.parentObject = lookup.node;
   ret.name = PATH.basename(path);
   lookup = FS.lookupPath(path, {
    follow: !dontResolveLastLink
   });
   ret.exists = true;
   ret.path = lookup.path;
   ret.object = lookup.node;
   ret.name = lookup.node.name;
   ret.isRoot = lookup.path === "/";
  } catch (e) {
   ret.error = e.errno;
  }
  return ret;
 },
 createFolder: function(parent, name, canRead, canWrite) {
  var path = PATH.join2(typeof parent === "string" ? parent : FS.getPath(parent), name);
  var mode = FS.getMode(canRead, canWrite);
  return FS.mkdir(path, mode);
 },
 createPath: function(parent, path, canRead, canWrite) {
  parent = typeof parent === "string" ? parent : FS.getPath(parent);
  var parts = path.split("/").reverse();
  while (parts.length) {
   var part = parts.pop();
   if (!part) continue;
   var current = PATH.join2(parent, part);
   try {
    FS.mkdir(current);
   } catch (e) {}
   parent = current;
  }
  return current;
 },
 createFile: function(parent, name, properties, canRead, canWrite) {
  var path = PATH.join2(typeof parent === "string" ? parent : FS.getPath(parent), name);
  var mode = FS.getMode(canRead, canWrite);
  return FS.create(path, mode);
 },
 createDataFile: function(parent, name, data, canRead, canWrite, canOwn) {
  var path = name ? PATH.join2(typeof parent === "string" ? parent : FS.getPath(parent), name) : parent;
  var mode = FS.getMode(canRead, canWrite);
  var node = FS.create(path, mode);
  if (data) {
   if (typeof data === "string") {
    var arr = new Array(data.length);
    for (var i = 0, len = data.length; i < len; ++i) arr[i] = data.charCodeAt(i);
    data = arr;
   }
   FS.chmod(node, mode | 146);
   var stream = FS.open(node, "w");
   FS.write(stream, data, 0, data.length, 0, canOwn);
   FS.close(stream);
   FS.chmod(node, mode);
  }
  return node;
 },
 createDevice: function(parent, name, input, output) {
  var path = PATH.join2(typeof parent === "string" ? parent : FS.getPath(parent), name);
  var mode = FS.getMode(!!input, !!output);
  if (!FS.createDevice.major) FS.createDevice.major = 64;
  var dev = FS.makedev(FS.createDevice.major++, 0);
  FS.registerDevice(dev, {
   open: function(stream) {
    stream.seekable = false;
   },
   close: function(stream) {
    if (output && output.buffer && output.buffer.length) {
     output(10);
    }
   },
   read: function(stream, buffer, offset, length, pos) {
    var bytesRead = 0;
    for (var i = 0; i < length; i++) {
     var result;
     try {
      result = input();
     } catch (e) {
      throw new FS.ErrnoError(29);
     }
     if (result === undefined && bytesRead === 0) {
      throw new FS.ErrnoError(6);
     }
     if (result === null || result === undefined) break;
     bytesRead++;
     buffer[offset + i] = result;
    }
    if (bytesRead) {
     stream.node.timestamp = Date.now();
    }
    return bytesRead;
   },
   write: function(stream, buffer, offset, length, pos) {
    for (var i = 0; i < length; i++) {
     try {
      output(buffer[offset + i]);
     } catch (e) {
      throw new FS.ErrnoError(29);
     }
    }
    if (length) {
     stream.node.timestamp = Date.now();
    }
    return i;
   }
  });
  return FS.mkdev(path, mode, dev);
 },
 createLink: function(parent, name, target, canRead, canWrite) {
  var path = PATH.join2(typeof parent === "string" ? parent : FS.getPath(parent), name);
  return FS.symlink(target, path);
 },
 forceLoadFile: function(obj) {
  if (obj.isDevice || obj.isFolder || obj.link || obj.contents) return true;
  var success = true;
  if (typeof XMLHttpRequest !== "undefined") {
   throw new Error("Lazy loading should have been performed (contents set) in createLazyFile, but it was not. Lazy loading only works in web workers. Use --embed-file or --preload-file in emcc on the main thread.");
  } else if (read_) {
   try {
    obj.contents = intArrayFromString(read_(obj.url), true);
    obj.usedBytes = obj.contents.length;
   } catch (e) {
    success = false;
   }
  } else {
   throw new Error("Cannot load without read() or XMLHttpRequest.");
  }
  if (!success) setErrNo(29);
  return success;
 },
 createLazyFile: function(parent, name, url, canRead, canWrite) {
  function LazyUint8Array() {
   this.lengthKnown = false;
   this.chunks = [];
  }
  LazyUint8Array.prototype.get = function LazyUint8Array_get(idx) {
   if (idx > this.length - 1 || idx < 0) {
    return undefined;
   }
   var chunkOffset = idx % this.chunkSize;
   var chunkNum = idx / this.chunkSize | 0;
   return this.getter(chunkNum)[chunkOffset];
  };
  LazyUint8Array.prototype.setDataGetter = function LazyUint8Array_setDataGetter(getter) {
   this.getter = getter;
  };
  LazyUint8Array.prototype.cacheLength = function LazyUint8Array_cacheLength() {
   var xhr = new XMLHttpRequest();
   xhr.open("HEAD", url, false);
   xhr.send(null);
   if (!(xhr.status >= 200 && xhr.status < 300 || xhr.status === 304)) throw new Error("Couldn't load " + url + ". Status: " + xhr.status);
   var datalength = Number(xhr.getResponseHeader("Content-length"));
   var header;
   var hasByteServing = (header = xhr.getResponseHeader("Accept-Ranges")) && header === "bytes";
   var usesGzip = (header = xhr.getResponseHeader("Content-Encoding")) && header === "gzip";
   var chunkSize = 1024 * 1024;
   if (!hasByteServing) chunkSize = datalength;
   var doXHR = function(from, to) {
    if (from > to) throw new Error("invalid range (" + from + ", " + to + ") or no bytes requested!");
    if (to > datalength - 1) throw new Error("only " + datalength + " bytes available! programmer error!");
    var xhr = new XMLHttpRequest();
    xhr.open("GET", url, false);
    if (datalength !== chunkSize) xhr.setRequestHeader("Range", "bytes=" + from + "-" + to);
    if (typeof Uint8Array != "undefined") xhr.responseType = "arraybuffer";
    if (xhr.overrideMimeType) {
     xhr.overrideMimeType("text/plain; charset=x-user-defined");
    }
    xhr.send(null);
    if (!(xhr.status >= 200 && xhr.status < 300 || xhr.status === 304)) throw new Error("Couldn't load " + url + ". Status: " + xhr.status);
    if (xhr.response !== undefined) {
     return new Uint8Array(xhr.response || []);
    } else {
     return intArrayFromString(xhr.responseText || "", true);
    }
   };
   var lazyArray = this;
   lazyArray.setDataGetter(function(chunkNum) {
    var start = chunkNum * chunkSize;
    var end = (chunkNum + 1) * chunkSize - 1;
    end = Math.min(end, datalength - 1);
    if (typeof lazyArray.chunks[chunkNum] === "undefined") {
     lazyArray.chunks[chunkNum] = doXHR(start, end);
    }
    if (typeof lazyArray.chunks[chunkNum] === "undefined") throw new Error("doXHR failed!");
    return lazyArray.chunks[chunkNum];
   });
   if (usesGzip || !datalength) {
    chunkSize = datalength = 1;
    datalength = this.getter(0).length;
    chunkSize = datalength;
    out("LazyFiles on gzip forces download of the whole file when length is accessed");
   }
   this._length = datalength;
   this._chunkSize = chunkSize;
   this.lengthKnown = true;
  };
  if (typeof XMLHttpRequest !== "undefined") {
   if (!ENVIRONMENT_IS_WORKER) throw "Cannot do synchronous binary XHRs outside webworkers in modern browsers. Use --embed-file or --preload-file in emcc";
   var lazyArray = new LazyUint8Array();
   Object.defineProperties(lazyArray, {
    length: {
     get: function() {
      if (!this.lengthKnown) {
       this.cacheLength();
      }
      return this._length;
     }
    },
    chunkSize: {
     get: function() {
      if (!this.lengthKnown) {
       this.cacheLength();
      }
      return this._chunkSize;
     }
    }
   });
   var properties = {
    isDevice: false,
    contents: lazyArray
   };
  } else {
   var properties = {
    isDevice: false,
    url: url
   };
  }
  var node = FS.createFile(parent, name, properties, canRead, canWrite);
  if (properties.contents) {
   node.contents = properties.contents;
  } else if (properties.url) {
   node.contents = null;
   node.url = properties.url;
  }
  Object.defineProperties(node, {
   usedBytes: {
    get: function() {
     return this.contents.length;
    }
   }
  });
  var stream_ops = {};
  var keys = Object.keys(node.stream_ops);
  keys.forEach(function(key) {
   var fn = node.stream_ops[key];
   stream_ops[key] = function forceLoadLazyFile() {
    if (!FS.forceLoadFile(node)) {
     throw new FS.ErrnoError(29);
    }
    return fn.apply(null, arguments);
   };
  });
  stream_ops.read = function stream_ops_read(stream, buffer, offset, length, position) {
   if (!FS.forceLoadFile(node)) {
    throw new FS.ErrnoError(29);
   }
   var contents = stream.node.contents;
   if (position >= contents.length) return 0;
   var size = Math.min(contents.length - position, length);
   if (contents.slice) {
    for (var i = 0; i < size; i++) {
     buffer[offset + i] = contents[position + i];
    }
   } else {
    for (var i = 0; i < size; i++) {
     buffer[offset + i] = contents.get(position + i);
    }
   }
   return size;
  };
  node.stream_ops = stream_ops;
  return node;
 },
 createPreloadedFile: function(parent, name, url, canRead, canWrite, onload, onerror, dontCreateFile, canOwn, preFinish) {
  Browser.init();
  var fullname = name ? PATH_FS.resolve(PATH.join2(parent, name)) : parent;
  var dep = getUniqueRunDependency("cp " + fullname);
  function processData(byteArray) {
   function finish(byteArray) {
    if (preFinish) preFinish();
    if (!dontCreateFile) {
     FS.createDataFile(parent, name, byteArray, canRead, canWrite, canOwn);
    }
    if (onload) onload();
    removeRunDependency(dep);
   }
   var handled = false;
   Module["preloadPlugins"].forEach(function(plugin) {
    if (handled) return;
    if (plugin["canHandle"](fullname)) {
     plugin["handle"](byteArray, fullname, finish, function() {
      if (onerror) onerror();
      removeRunDependency(dep);
     });
     handled = true;
    }
   });
   if (!handled) finish(byteArray);
  }
  addRunDependency(dep);
  if (typeof url == "string") {
   Browser.asyncLoad(url, function(byteArray) {
    processData(byteArray);
   }, onerror);
  } else {
   processData(url);
  }
 },
 indexedDB: function() {
  return window.indexedDB || window.mozIndexedDB || window.webkitIndexedDB || window.msIndexedDB;
 },
 DB_NAME: function() {
  return "EM_FS_" + window.location.pathname;
 },
 DB_VERSION: 20,
 DB_STORE_NAME: "FILE_DATA",
 saveFilesToDB: function(paths, onload, onerror) {
  onload = onload || function() {};
  onerror = onerror || function() {};
  var indexedDB = FS.indexedDB();
  try {
   var openRequest = indexedDB.open(FS.DB_NAME(), FS.DB_VERSION);
  } catch (e) {
   return onerror(e);
  }
  openRequest.onupgradeneeded = function openRequest_onupgradeneeded() {
   out("creating db");
   var db = openRequest.result;
   db.createObjectStore(FS.DB_STORE_NAME);
  };
  openRequest.onsuccess = function openRequest_onsuccess() {
   var db = openRequest.result;
   var transaction = db.transaction([ FS.DB_STORE_NAME ], "readwrite");
   var files = transaction.objectStore(FS.DB_STORE_NAME);
   var ok = 0, fail = 0, total = paths.length;
   function finish() {
    if (fail == 0) onload(); else onerror();
   }
   paths.forEach(function(path) {
    var putRequest = files.put(FS.analyzePath(path).object.contents, path);
    putRequest.onsuccess = function putRequest_onsuccess() {
     ok++;
     if (ok + fail == total) finish();
    };
    putRequest.onerror = function putRequest_onerror() {
     fail++;
     if (ok + fail == total) finish();
    };
   });
   transaction.onerror = onerror;
  };
  openRequest.onerror = onerror;
 },
 loadFilesFromDB: function(paths, onload, onerror) {
  onload = onload || function() {};
  onerror = onerror || function() {};
  var indexedDB = FS.indexedDB();
  try {
   var openRequest = indexedDB.open(FS.DB_NAME(), FS.DB_VERSION);
  } catch (e) {
   return onerror(e);
  }
  openRequest.onupgradeneeded = onerror;
  openRequest.onsuccess = function openRequest_onsuccess() {
   var db = openRequest.result;
   try {
    var transaction = db.transaction([ FS.DB_STORE_NAME ], "readonly");
   } catch (e) {
    onerror(e);
    return;
   }
   var files = transaction.objectStore(FS.DB_STORE_NAME);
   var ok = 0, fail = 0, total = paths.length;
   function finish() {
    if (fail == 0) onload(); else onerror();
   }
   paths.forEach(function(path) {
    var getRequest = files.get(path);
    getRequest.onsuccess = function getRequest_onsuccess() {
     if (FS.analyzePath(path).exists) {
      FS.unlink(path);
     }
     FS.createDataFile(PATH.dirname(path), PATH.basename(path), getRequest.result, true, true, true);
     ok++;
     if (ok + fail == total) finish();
    };
    getRequest.onerror = function getRequest_onerror() {
     fail++;
     if (ok + fail == total) finish();
    };
   });
   transaction.onerror = onerror;
  };
  openRequest.onerror = onerror;
 },
 mmapAlloc: function(size) {
  var alignedSize = alignMemory(size, 16384);
  var ptr = _malloc(alignedSize);
  while (size < alignedSize) HEAP8[ptr + size++ >>> 0] = 0;
  return ptr;
 }
};

var SYSCALLS = {
 mappings: {},
 DEFAULT_POLLMASK: 5,
 umask: 511,
 calculateAt: function(dirfd, path) {
  if (path[0] !== "/") {
   var dir;
   if (dirfd === -100) {
    dir = FS.cwd();
   } else {
    var dirstream = FS.getStream(dirfd);
    if (!dirstream) throw new FS.ErrnoError(8);
    dir = dirstream.path;
   }
   path = PATH.join2(dir, path);
  }
  return path;
 },
 doStat: function(func, path, buf) {
  try {
   var stat = func(path);
  } catch (e) {
   if (e && e.node && PATH.normalize(path) !== PATH.normalize(FS.getPath(e.node))) {
    return -54;
   }
   throw e;
  }
  HEAP32[buf >>> 2] = stat.dev;
  HEAP32[buf + 4 >>> 2] = 0;
  HEAP32[buf + 8 >>> 2] = stat.ino;
  HEAP32[buf + 12 >>> 2] = stat.mode;
  HEAP32[buf + 16 >>> 2] = stat.nlink;
  HEAP32[buf + 20 >>> 2] = stat.uid;
  HEAP32[buf + 24 >>> 2] = stat.gid;
  HEAP32[buf + 28 >>> 2] = stat.rdev;
  HEAP32[buf + 32 >>> 2] = 0;
  tempI64 = [ stat.size >>> 0, (tempDouble = stat.size, +Math_abs(tempDouble) >= 1 ? tempDouble > 0 ? (Math_min(+Math_floor(tempDouble / 4294967296), 4294967295) | 0) >>> 0 : ~~+Math_ceil((tempDouble - +(~~tempDouble >>> 0)) / 4294967296) >>> 0 : 0) ], 
  HEAP32[buf + 40 >>> 2] = tempI64[0], HEAP32[buf + 44 >>> 2] = tempI64[1];
  HEAP32[buf + 48 >>> 2] = 4096;
  HEAP32[buf + 52 >>> 2] = stat.blocks;
  HEAP32[buf + 56 >>> 2] = stat.atime.getTime() / 1e3 | 0;
  HEAP32[buf + 60 >>> 2] = 0;
  HEAP32[buf + 64 >>> 2] = stat.mtime.getTime() / 1e3 | 0;
  HEAP32[buf + 68 >>> 2] = 0;
  HEAP32[buf + 72 >>> 2] = stat.ctime.getTime() / 1e3 | 0;
  HEAP32[buf + 76 >>> 2] = 0;
  tempI64 = [ stat.ino >>> 0, (tempDouble = stat.ino, +Math_abs(tempDouble) >= 1 ? tempDouble > 0 ? (Math_min(+Math_floor(tempDouble / 4294967296), 4294967295) | 0) >>> 0 : ~~+Math_ceil((tempDouble - +(~~tempDouble >>> 0)) / 4294967296) >>> 0 : 0) ], 
  HEAP32[buf + 80 >>> 2] = tempI64[0], HEAP32[buf + 84 >>> 2] = tempI64[1];
  return 0;
 },
 doMsync: function(addr, stream, len, flags, offset) {
  var buffer = HEAPU8.slice(addr, addr + len);
  FS.msync(stream, buffer, offset, len, flags);
 },
 doMkdir: function(path, mode) {
  path = PATH.normalize(path);
  if (path[path.length - 1] === "/") path = path.substr(0, path.length - 1);
  FS.mkdir(path, mode, 0);
  return 0;
 },
 doMknod: function(path, mode, dev) {
  switch (mode & 61440) {
  case 32768:
  case 8192:
  case 24576:
  case 4096:
  case 49152:
   break;

  default:
   return -28;
  }
  FS.mknod(path, mode, dev);
  return 0;
 },
 doReadlink: function(path, buf, bufsize) {
  if (bufsize <= 0) return -28;
  var ret = FS.readlink(path);
  var len = Math.min(bufsize, lengthBytesUTF8(ret));
  var endChar = HEAP8[buf + len >>> 0];
  stringToUTF8(ret, buf, bufsize + 1);
  HEAP8[buf + len >>> 0] = endChar;
  return len;
 },
 doAccess: function(path, amode) {
  if (amode & ~7) {
   return -28;
  }
  var node;
  var lookup = FS.lookupPath(path, {
   follow: true
  });
  node = lookup.node;
  if (!node) {
   return -44;
  }
  var perms = "";
  if (amode & 4) perms += "r";
  if (amode & 2) perms += "w";
  if (amode & 1) perms += "x";
  if (perms && FS.nodePermissions(node, perms)) {
   return -2;
  }
  return 0;
 },
 doDup: function(path, flags, suggestFD) {
  var suggest = FS.getStream(suggestFD);
  if (suggest) FS.close(suggest);
  return FS.open(path, flags, 0, suggestFD, suggestFD).fd;
 },
 doReadv: function(stream, iov, iovcnt, offset) {
  var ret = 0;
  for (var i = 0; i < iovcnt; i++) {
   var ptr = HEAP32[iov + i * 8 >>> 2];
   var len = HEAP32[iov + (i * 8 + 4) >>> 2];
   var curr = FS.read(stream, HEAP8, ptr, len, offset);
   if (curr < 0) return -1;
   ret += curr;
   if (curr < len) break;
  }
  return ret;
 },
 doWritev: function(stream, iov, iovcnt, offset) {
  var ret = 0;
  for (var i = 0; i < iovcnt; i++) {
   var ptr = HEAP32[iov + i * 8 >>> 2];
   var len = HEAP32[iov + (i * 8 + 4) >>> 2];
   var curr = FS.write(stream, HEAP8, ptr, len, offset);
   if (curr < 0) return -1;
   ret += curr;
  }
  return ret;
 },
 varargs: undefined,
 get: function() {
  SYSCALLS.varargs += 4;
  var ret = HEAP32[SYSCALLS.varargs - 4 >>> 2];
  return ret;
 },
 getStr: function(ptr) {
  var ret = UTF8ToString(ptr);
  return ret;
 },
 getStreamFromFD: function(fd) {
  var stream = FS.getStream(fd);
  if (!stream) throw new FS.ErrnoError(8);
  return stream;
 },
 get64: function(low, high) {
  return low;
 }
};

function syscallMunmap(addr, len) {
 addr >>>= 0;
 if ((addr | 0) === -1 || len === 0) {
  return -28;
 }
 var info = SYSCALLS.mappings[addr];
 if (!info) return 0;
 if (len === info.len) {
  var stream = FS.getStream(info.fd);
  if (info.prot & 2) {
   SYSCALLS.doMsync(addr, stream, len, info.flags, info.offset);
  }
  FS.munmap(stream);
  SYSCALLS.mappings[addr] = null;
  if (info.allocated) {
   _free(info.malloc);
  }
 }
 return 0;
}

function ___sys_munmap(addr, len) {
 try {
  return syscallMunmap(addr, len);
 } catch (e) {
  if (typeof FS === "undefined" || !(e instanceof FS.ErrnoError)) abort(e);
  return -e.errno;
 }
}

var structRegistrations = {};

function runDestructors(destructors) {
 while (destructors.length) {
  var ptr = destructors.pop();
  var del = destructors.pop();
  del(ptr);
 }
}

function simpleReadValueFromPointer(pointer) {
 return this["fromWireType"](HEAPU32[pointer >>> 2]);
}

var awaitingDependencies = {};

var registeredTypes = {};

var typeDependencies = {};

var char_0 = 48;

var char_9 = 57;

function makeLegalFunctionName(name) {
 if (undefined === name) {
  return "_unknown";
 }
 name = name.replace(/[^a-zA-Z0-9_]/g, "$");
 var f = name.charCodeAt(0);
 if (f >= char_0 && f <= char_9) {
  return "_" + name;
 } else {
  return name;
 }
}

function createNamedFunction(name, body) {
 name = makeLegalFunctionName(name);
 return new Function("body", "return function " + name + "() {\n" + '    "use strict";' + "    return body.apply(this, arguments);\n" + "};\n")(body);
}

function extendError(baseErrorType, errorName) {
 var errorClass = createNamedFunction(errorName, function(message) {
  this.name = errorName;
  this.message = message;
  var stack = new Error(message).stack;
  if (stack !== undefined) {
   this.stack = this.toString() + "\n" + stack.replace(/^Error(:[^\n]*)?\n/, "");
  }
 });
 errorClass.prototype = Object.create(baseErrorType.prototype);
 errorClass.prototype.constructor = errorClass;
 errorClass.prototype.toString = function() {
  if (this.message === undefined) {
   return this.name;
  } else {
   return this.name + ": " + this.message;
  }
 };
 return errorClass;
}

var InternalError = undefined;

function throwInternalError(message) {
 throw new InternalError(message);
}

function whenDependentTypesAreResolved(myTypes, dependentTypes, getTypeConverters) {
 myTypes.forEach(function(type) {
  typeDependencies[type] = dependentTypes;
 });
 function onComplete(typeConverters) {
  var myTypeConverters = getTypeConverters(typeConverters);
  if (myTypeConverters.length !== myTypes.length) {
   throwInternalError("Mismatched type converter count");
  }
  for (var i = 0; i < myTypes.length; ++i) {
   registerType(myTypes[i], myTypeConverters[i]);
  }
 }
 var typeConverters = new Array(dependentTypes.length);
 var unregisteredTypes = [];
 var registered = 0;
 dependentTypes.forEach(function(dt, i) {
  if (registeredTypes.hasOwnProperty(dt)) {
   typeConverters[i] = registeredTypes[dt];
  } else {
   unregisteredTypes.push(dt);
   if (!awaitingDependencies.hasOwnProperty(dt)) {
    awaitingDependencies[dt] = [];
   }
   awaitingDependencies[dt].push(function() {
    typeConverters[i] = registeredTypes[dt];
    ++registered;
    if (registered === unregisteredTypes.length) {
     onComplete(typeConverters);
    }
   });
  }
 });
 if (0 === unregisteredTypes.length) {
  onComplete(typeConverters);
 }
}

function __embind_finalize_value_object(structType) {
 var reg = structRegistrations[structType];
 delete structRegistrations[structType];
 var rawConstructor = reg.rawConstructor;
 var rawDestructor = reg.rawDestructor;
 var fieldRecords = reg.fields;
 var fieldTypes = fieldRecords.map(function(field) {
  return field.getterReturnType;
 }).concat(fieldRecords.map(function(field) {
  return field.setterArgumentType;
 }));
 whenDependentTypesAreResolved([ structType ], fieldTypes, function(fieldTypes) {
  var fields = {};
  fieldRecords.forEach(function(field, i) {
   var fieldName = field.fieldName;
   var getterReturnType = fieldTypes[i];
   var getter = field.getter;
   var getterContext = field.getterContext;
   var setterArgumentType = fieldTypes[i + fieldRecords.length];
   var setter = field.setter;
   var setterContext = field.setterContext;
   fields[fieldName] = {
    read: function(ptr) {
     return getterReturnType["fromWireType"](getter(getterContext, ptr));
    },
    write: function(ptr, o) {
     var destructors = [];
     setter(setterContext, ptr, setterArgumentType["toWireType"](destructors, o));
     runDestructors(destructors);
    }
   };
  });
  return [ {
   name: reg.name,
   "fromWireType": function(ptr) {
    var rv = {};
    for (var i in fields) {
     rv[i] = fields[i].read(ptr);
    }
    rawDestructor(ptr);
    return rv;
   },
   "toWireType": function(destructors, o) {
    for (var fieldName in fields) {
     if (!(fieldName in o)) {
      throw new TypeError('Missing field:  "' + fieldName + '"');
     }
    }
    var ptr = rawConstructor();
    for (fieldName in fields) {
     fields[fieldName].write(ptr, o[fieldName]);
    }
    if (destructors !== null) {
     destructors.push(rawDestructor, ptr);
    }
    return ptr;
   },
   "argPackAdvance": 8,
   "readValueFromPointer": simpleReadValueFromPointer,
   destructorFunction: rawDestructor
  } ];
 });
}

function getShiftFromSize(size) {
 switch (size) {
 case 1:
  return 0;

 case 2:
  return 1;

 case 4:
  return 2;

 case 8:
  return 3;

 default:
  throw new TypeError("Unknown type size: " + size);
 }
}

function embind_init_charCodes() {
 var codes = new Array(256);
 for (var i = 0; i < 256; ++i) {
  codes[i] = String.fromCharCode(i);
 }
 embind_charCodes = codes;
}

var embind_charCodes = undefined;

function readLatin1String(ptr) {
 var ret = "";
 var c = ptr;
 while (HEAPU8[c >>> 0]) {
  ret += embind_charCodes[HEAPU8[c++ >>> 0]];
 }
 return ret;
}

var BindingError = undefined;

function throwBindingError(message) {
 throw new BindingError(message);
}

function registerType(rawType, registeredInstance, options) {
 options = options || {};
 if (!("argPackAdvance" in registeredInstance)) {
  throw new TypeError("registerType registeredInstance requires argPackAdvance");
 }
 var name = registeredInstance.name;
 if (!rawType) {
  throwBindingError('type "' + name + '" must have a positive integer typeid pointer');
 }
 if (registeredTypes.hasOwnProperty(rawType)) {
  if (options.ignoreDuplicateRegistrations) {
   return;
  } else {
   throwBindingError("Cannot register type '" + name + "' twice");
  }
 }
 registeredTypes[rawType] = registeredInstance;
 delete typeDependencies[rawType];
 if (awaitingDependencies.hasOwnProperty(rawType)) {
  var callbacks = awaitingDependencies[rawType];
  delete awaitingDependencies[rawType];
  callbacks.forEach(function(cb) {
   cb();
  });
 }
}

function __embind_register_bool(rawType, name, size, trueValue, falseValue) {
 var shift = getShiftFromSize(size);
 name = readLatin1String(name);
 registerType(rawType, {
  name: name,
  "fromWireType": function(wt) {
   return !!wt;
  },
  "toWireType": function(destructors, o) {
   return o ? trueValue : falseValue;
  },
  "argPackAdvance": 8,
  "readValueFromPointer": function(pointer) {
   var heap;
   if (size === 1) {
    heap = HEAP8;
   } else if (size === 2) {
    heap = HEAP16;
   } else if (size === 4) {
    heap = HEAP32;
   } else {
    throw new TypeError("Unknown boolean type size: " + name);
   }
   return this["fromWireType"](heap[pointer >>> shift]);
  },
  destructorFunction: null
 });
}

var emval_free_list = [];

var emval_handle_array = [ {}, {
 value: undefined
}, {
 value: null
}, {
 value: true
}, {
 value: false
} ];

function __emval_decref(handle) {
 if (handle > 4 && 0 === --emval_handle_array[handle].refcount) {
  emval_handle_array[handle] = undefined;
  emval_free_list.push(handle);
 }
}

function count_emval_handles() {
 var count = 0;
 for (var i = 5; i < emval_handle_array.length; ++i) {
  if (emval_handle_array[i] !== undefined) {
   ++count;
  }
 }
 return count;
}

function get_first_emval() {
 for (var i = 5; i < emval_handle_array.length; ++i) {
  if (emval_handle_array[i] !== undefined) {
   return emval_handle_array[i];
  }
 }
 return null;
}

function init_emval() {
 Module["count_emval_handles"] = count_emval_handles;
 Module["get_first_emval"] = get_first_emval;
}

function __emval_register(value) {
 switch (value) {
 case undefined:
  {
   return 1;
  }

 case null:
  {
   return 2;
  }

 case true:
  {
   return 3;
  }

 case false:
  {
   return 4;
  }

 default:
  {
   var handle = emval_free_list.length ? emval_free_list.pop() : emval_handle_array.length;
   emval_handle_array[handle] = {
    refcount: 1,
    value: value
   };
   return handle;
  }
 }
}

function __embind_register_emval(rawType, name) {
 name = readLatin1String(name);
 registerType(rawType, {
  name: name,
  "fromWireType": function(handle) {
   var rv = emval_handle_array[handle].value;
   __emval_decref(handle);
   return rv;
  },
  "toWireType": function(destructors, value) {
   return __emval_register(value);
  },
  "argPackAdvance": 8,
  "readValueFromPointer": simpleReadValueFromPointer,
  destructorFunction: null
 });
}

function _embind_repr(v) {
 if (v === null) {
  return "null";
 }
 var t = typeof v;
 if (t === "object" || t === "array" || t === "function") {
  return v.toString();
 } else {
  return "" + v;
 }
}

function floatReadValueFromPointer(name, shift) {
 switch (shift) {
 case 2:
  return function(pointer) {
   return this["fromWireType"](HEAPF32[pointer >>> 2]);
  };

 case 3:
  return function(pointer) {
   return this["fromWireType"](HEAPF64[pointer >>> 3]);
  };

 default:
  throw new TypeError("Unknown float type: " + name);
 }
}

function __embind_register_float(rawType, name, size) {
 var shift = getShiftFromSize(size);
 name = readLatin1String(name);
 registerType(rawType, {
  name: name,
  "fromWireType": function(value) {
   return value;
  },
  "toWireType": function(destructors, value) {
   if (typeof value !== "number" && typeof value !== "boolean") {
    throw new TypeError('Cannot convert "' + _embind_repr(value) + '" to ' + this.name);
   }
   return value;
  },
  "argPackAdvance": 8,
  "readValueFromPointer": floatReadValueFromPointer(name, shift),
  destructorFunction: null
 });
}

function new_(constructor, argumentList) {
 if (!(constructor instanceof Function)) {
  throw new TypeError("new_ called with constructor type " + typeof constructor + " which is not a function");
 }
 var dummy = createNamedFunction(constructor.name || "unknownFunctionName", function() {});
 dummy.prototype = constructor.prototype;
 var obj = new dummy();
 var r = constructor.apply(obj, argumentList);
 return r instanceof Object ? r : obj;
}

function craftInvokerFunction(humanName, argTypes, classType, cppInvokerFunc, cppTargetFunc) {
 var argCount = argTypes.length;
 if (argCount < 2) {
  throwBindingError("argTypes array size mismatch! Must at least get return value and 'this' types!");
 }
 var isClassMethodFunc = argTypes[1] !== null && classType !== null;
 var needsDestructorStack = false;
 for (var i = 1; i < argTypes.length; ++i) {
  if (argTypes[i] !== null && argTypes[i].destructorFunction === undefined) {
   needsDestructorStack = true;
   break;
  }
 }
 var returns = argTypes[0].name !== "void";
 var argsList = "";
 var argsListWired = "";
 for (var i = 0; i < argCount - 2; ++i) {
  argsList += (i !== 0 ? ", " : "") + "arg" + i;
  argsListWired += (i !== 0 ? ", " : "") + "arg" + i + "Wired";
 }
 var invokerFnBody = "return function " + makeLegalFunctionName(humanName) + "(" + argsList + ") {\n" + "if (arguments.length !== " + (argCount - 2) + ") {\n" + "throwBindingError('function " + humanName + " called with ' + arguments.length + ' arguments, expected " + (argCount - 2) + " args!');\n" + "}\n";
 if (needsDestructorStack) {
  invokerFnBody += "var destructors = [];\n";
 }
 var dtorStack = needsDestructorStack ? "destructors" : "null";
 var args1 = [ "throwBindingError", "invoker", "fn", "runDestructors", "retType", "classParam" ];
 var args2 = [ throwBindingError, cppInvokerFunc, cppTargetFunc, runDestructors, argTypes[0], argTypes[1] ];
 if (isClassMethodFunc) {
  invokerFnBody += "var thisWired = classParam.toWireType(" + dtorStack + ", this);\n";
 }
 for (var i = 0; i < argCount - 2; ++i) {
  invokerFnBody += "var arg" + i + "Wired = argType" + i + ".toWireType(" + dtorStack + ", arg" + i + "); // " + argTypes[i + 2].name + "\n";
  args1.push("argType" + i);
  args2.push(argTypes[i + 2]);
 }
 if (isClassMethodFunc) {
  argsListWired = "thisWired" + (argsListWired.length > 0 ? ", " : "") + argsListWired;
 }
 invokerFnBody += (returns ? "var rv = " : "") + "invoker(fn" + (argsListWired.length > 0 ? ", " : "") + argsListWired + ");\n";
 if (needsDestructorStack) {
  invokerFnBody += "runDestructors(destructors);\n";
 } else {
  for (var i = isClassMethodFunc ? 1 : 2; i < argTypes.length; ++i) {
   var paramName = i === 1 ? "thisWired" : "arg" + (i - 2) + "Wired";
   if (argTypes[i].destructorFunction !== null) {
    invokerFnBody += paramName + "_dtor(" + paramName + "); // " + argTypes[i].name + "\n";
    args1.push(paramName + "_dtor");
    args2.push(argTypes[i].destructorFunction);
   }
  }
 }
 if (returns) {
  invokerFnBody += "var ret = retType.fromWireType(rv);\n" + "return ret;\n";
 } else {}
 invokerFnBody += "}\n";
 args1.push(invokerFnBody);
 var invokerFunction = new_(Function, args1).apply(null, args2);
 return invokerFunction;
}

function ensureOverloadTable(proto, methodName, humanName) {
 if (undefined === proto[methodName].overloadTable) {
  var prevFunc = proto[methodName];
  proto[methodName] = function() {
   if (!proto[methodName].overloadTable.hasOwnProperty(arguments.length)) {
    throwBindingError("Function '" + humanName + "' called with an invalid number of arguments (" + arguments.length + ") - expects one of (" + proto[methodName].overloadTable + ")!");
   }
   return proto[methodName].overloadTable[arguments.length].apply(this, arguments);
  };
  proto[methodName].overloadTable = [];
  proto[methodName].overloadTable[prevFunc.argCount] = prevFunc;
 }
}

function exposePublicSymbol(name, value, numArguments) {
 if (Module.hasOwnProperty(name)) {
  if (undefined === numArguments || undefined !== Module[name].overloadTable && undefined !== Module[name].overloadTable[numArguments]) {
   throwBindingError("Cannot register public name '" + name + "' twice");
  }
  ensureOverloadTable(Module, name, name);
  if (Module.hasOwnProperty(numArguments)) {
   throwBindingError("Cannot register multiple overloads of a function with the same number of arguments (" + numArguments + ")!");
  }
  Module[name].overloadTable[numArguments] = value;
 } else {
  Module[name] = value;
  if (undefined !== numArguments) {
   Module[name].numArguments = numArguments;
  }
 }
}

function heap32VectorToArray(count, firstElement) {
 var array = [];
 for (var i = 0; i < count; i++) {
  array.push(HEAP32[(firstElement >> 2) + i >>> 0]);
 }
 return array;
}

function replacePublicSymbol(name, value, numArguments) {
 if (!Module.hasOwnProperty(name)) {
  throwInternalError("Replacing nonexistant public symbol");
 }
 if (undefined !== Module[name].overloadTable && undefined !== numArguments) {
  Module[name].overloadTable[numArguments] = value;
 } else {
  Module[name] = value;
  Module[name].argCount = numArguments;
 }
}

function embind__requireFunction(signature, rawFunction) {
 signature = readLatin1String(signature);
 function makeDynCaller(dynCall) {
  var args = [];
  for (var i = 1; i < signature.length; ++i) {
   args.push("a" + i);
  }
  var name = "dynCall_" + signature + "_" + rawFunction;
  var body = "return function " + name + "(" + args.join(", ") + ") {\n";
  body += "    return dynCall(rawFunction" + (args.length ? ", " : "") + args.join(", ") + ");\n";
  body += "};\n";
  return new Function("dynCall", "rawFunction", body)(dynCall, rawFunction);
 }
 var dc = Module["dynCall_" + signature];
 var fp = makeDynCaller(dc);
 if (typeof fp !== "function") {
  throwBindingError("unknown function pointer with signature " + signature + ": " + rawFunction);
 }
 return fp;
}

var UnboundTypeError = undefined;

function getTypeName(type) {
 var ptr = ___getTypeName(type);
 var rv = readLatin1String(ptr);
 _free(ptr);
 return rv;
}

function throwUnboundTypeError(message, types) {
 var unboundTypes = [];
 var seen = {};
 function visit(type) {
  if (seen[type]) {
   return;
  }
  if (registeredTypes[type]) {
   return;
  }
  if (typeDependencies[type]) {
   typeDependencies[type].forEach(visit);
   return;
  }
  unboundTypes.push(type);
  seen[type] = true;
 }
 types.forEach(visit);
 throw new UnboundTypeError(message + ": " + unboundTypes.map(getTypeName).join([ ", " ]));
}

function __embind_register_function(name, argCount, rawArgTypesAddr, signature, rawInvoker, fn) {
 var argTypes = heap32VectorToArray(argCount, rawArgTypesAddr);
 name = readLatin1String(name);
 rawInvoker = embind__requireFunction(signature, rawInvoker);
 exposePublicSymbol(name, function() {
  throwUnboundTypeError("Cannot call " + name + " due to unbound types", argTypes);
 }, argCount - 1);
 whenDependentTypesAreResolved([], argTypes, function(argTypes) {
  var invokerArgsArray = [ argTypes[0], null ].concat(argTypes.slice(1));
  replacePublicSymbol(name, craftInvokerFunction(name, invokerArgsArray, null, rawInvoker, fn), argCount - 1);
  return [];
 });
}

function integerReadValueFromPointer(name, shift, signed) {
 switch (shift) {
 case 0:
  return signed ? function readS8FromPointer(pointer) {
   return HEAP8[pointer >>> 0];
  } : function readU8FromPointer(pointer) {
   return HEAPU8[pointer >>> 0];
  };

 case 1:
  return signed ? function readS16FromPointer(pointer) {
   return HEAP16[pointer >>> 1];
  } : function readU16FromPointer(pointer) {
   return HEAPU16[pointer >>> 1];
  };

 case 2:
  return signed ? function readS32FromPointer(pointer) {
   return HEAP32[pointer >>> 2];
  } : function readU32FromPointer(pointer) {
   return HEAPU32[pointer >>> 2];
  };

 default:
  throw new TypeError("Unknown integer type: " + name);
 }
}

function __embind_register_integer(primitiveType, name, size, minRange, maxRange) {
 name = readLatin1String(name);
 if (maxRange === -1) {
  maxRange = 4294967295;
 }
 var shift = getShiftFromSize(size);
 var fromWireType = function(value) {
  return value;
 };
 if (minRange === 0) {
  var bitshift = 32 - 8 * size;
  fromWireType = function(value) {
   return value << bitshift >>> bitshift;
  };
 }
 var isUnsignedType = name.indexOf("unsigned") != -1;
 registerType(primitiveType, {
  name: name,
  "fromWireType": fromWireType,
  "toWireType": function(destructors, value) {
   if (typeof value !== "number" && typeof value !== "boolean") {
    throw new TypeError('Cannot convert "' + _embind_repr(value) + '" to ' + this.name);
   }
   if (value < minRange || value > maxRange) {
    throw new TypeError('Passing a number "' + _embind_repr(value) + '" from JS side to C/C++ side to an argument of type "' + name + '", which is outside the valid range [' + minRange + ", " + maxRange + "]!");
   }
   return isUnsignedType ? value >>> 0 : value | 0;
  },
  "argPackAdvance": 8,
  "readValueFromPointer": integerReadValueFromPointer(name, shift, minRange !== 0),
  destructorFunction: null
 });
}

function __embind_register_memory_view(rawType, dataTypeIndex, name) {
 var typeMapping = [ Int8Array, Uint8Array, Int16Array, Uint16Array, Int32Array, Uint32Array, Float32Array, Float64Array ];
 var TA = typeMapping[dataTypeIndex];
 function decodeMemoryView(handle) {
  handle = handle >> 2;
  var heap = HEAPU32;
  var size = heap[handle >>> 0];
  var data = heap[handle + 1 >>> 0];
  return new TA(buffer, data, size);
 }
 name = readLatin1String(name);
 registerType(rawType, {
  name: name,
  "fromWireType": decodeMemoryView,
  "argPackAdvance": 8,
  "readValueFromPointer": decodeMemoryView
 }, {
  ignoreDuplicateRegistrations: true
 });
}

function __embind_register_std_string(rawType, name) {
 name = readLatin1String(name);
 var stdStringIsUTF8 = name === "std::string";
 registerType(rawType, {
  name: name,
  "fromWireType": function(value) {
   var length = HEAPU32[value >>> 2];
   var str;
   if (stdStringIsUTF8) {
    var decodeStartPtr = value + 4;
    for (var i = 0; i <= length; ++i) {
     var currentBytePtr = value + 4 + i;
     if (i == length || HEAPU8[currentBytePtr >>> 0] == 0) {
      var maxRead = currentBytePtr - decodeStartPtr;
      var stringSegment = UTF8ToString(decodeStartPtr, maxRead);
      if (str === undefined) {
       str = stringSegment;
      } else {
       str += String.fromCharCode(0);
       str += stringSegment;
      }
      decodeStartPtr = currentBytePtr + 1;
     }
    }
   } else {
    var a = new Array(length);
    for (var i = 0; i < length; ++i) {
     a[i] = String.fromCharCode(HEAPU8[value + 4 + i >>> 0]);
    }
    str = a.join("");
   }
   _free(value);
   return str;
  },
  "toWireType": function(destructors, value) {
   if (value instanceof ArrayBuffer) {
    value = new Uint8Array(value);
   }
   var getLength;
   var valueIsOfTypeString = typeof value === "string";
   if (!(valueIsOfTypeString || value instanceof Uint8Array || value instanceof Uint8ClampedArray || value instanceof Int8Array)) {
    throwBindingError("Cannot pass non-string to std::string");
   }
   if (stdStringIsUTF8 && valueIsOfTypeString) {
    getLength = function() {
     return lengthBytesUTF8(value);
    };
   } else {
    getLength = function() {
     return value.length;
    };
   }
   var length = getLength();
   var ptr = _malloc(4 + length + 1);
   ptr >>>= 0;
   HEAPU32[ptr >>> 2] = length;
   if (stdStringIsUTF8 && valueIsOfTypeString) {
    stringToUTF8(value, ptr + 4, length + 1);
   } else {
    if (valueIsOfTypeString) {
     for (var i = 0; i < length; ++i) {
      var charCode = value.charCodeAt(i);
      if (charCode > 255) {
       _free(ptr);
       throwBindingError("String has UTF-16 code units that do not fit in 8 bits");
      }
      HEAPU8[ptr + 4 + i >>> 0] = charCode;
     }
    } else {
     for (var i = 0; i < length; ++i) {
      HEAPU8[ptr + 4 + i >>> 0] = value[i];
     }
    }
   }
   if (destructors !== null) {
    destructors.push(_free, ptr);
   }
   return ptr;
  },
  "argPackAdvance": 8,
  "readValueFromPointer": simpleReadValueFromPointer,
  destructorFunction: function(ptr) {
   _free(ptr);
  }
 });
}

function __embind_register_std_wstring(rawType, charSize, name) {
 name = readLatin1String(name);
 var decodeString, encodeString, getHeap, lengthBytesUTF, shift;
 if (charSize === 2) {
  decodeString = UTF16ToString;
  encodeString = stringToUTF16;
  lengthBytesUTF = lengthBytesUTF16;
  getHeap = function() {
   return HEAPU16;
  };
  shift = 1;
 } else if (charSize === 4) {
  decodeString = UTF32ToString;
  encodeString = stringToUTF32;
  lengthBytesUTF = lengthBytesUTF32;
  getHeap = function() {
   return HEAPU32;
  };
  shift = 2;
 }
 registerType(rawType, {
  name: name,
  "fromWireType": function(value) {
   var length = HEAPU32[value >>> 2];
   var HEAP = getHeap();
   var str;
   var decodeStartPtr = value + 4;
   for (var i = 0; i <= length; ++i) {
    var currentBytePtr = value + 4 + i * charSize;
    if (i == length || HEAP[currentBytePtr >>> shift] == 0) {
     var maxReadBytes = currentBytePtr - decodeStartPtr;
     var stringSegment = decodeString(decodeStartPtr, maxReadBytes);
     if (str === undefined) {
      str = stringSegment;
     } else {
      str += String.fromCharCode(0);
      str += stringSegment;
     }
     decodeStartPtr = currentBytePtr + charSize;
    }
   }
   _free(value);
   return str;
  },
  "toWireType": function(destructors, value) {
   if (!(typeof value === "string")) {
    throwBindingError("Cannot pass non-string to C++ string type " + name);
   }
   var length = lengthBytesUTF(value);
   var ptr = _malloc(4 + length + charSize);
   ptr >>>= 0;
   HEAPU32[ptr >>> 2] = length >> shift;
   encodeString(value, ptr + 4, length + charSize);
   if (destructors !== null) {
    destructors.push(_free, ptr);
   }
   return ptr;
  },
  "argPackAdvance": 8,
  "readValueFromPointer": simpleReadValueFromPointer,
  destructorFunction: function(ptr) {
   _free(ptr);
  }
 });
}

function __embind_register_value_object(rawType, name, constructorSignature, rawConstructor, destructorSignature, rawDestructor) {
 structRegistrations[rawType] = {
  name: readLatin1String(name),
  rawConstructor: embind__requireFunction(constructorSignature, rawConstructor),
  rawDestructor: embind__requireFunction(destructorSignature, rawDestructor),
  fields: []
 };
}

function __embind_register_value_object_field(structType, fieldName, getterReturnType, getterSignature, getter, getterContext, setterArgumentType, setterSignature, setter, setterContext) {
 structRegistrations[structType].fields.push({
  fieldName: readLatin1String(fieldName),
  getterReturnType: getterReturnType,
  getter: embind__requireFunction(getterSignature, getter),
  getterContext: getterContext,
  setterArgumentType: setterArgumentType,
  setter: embind__requireFunction(setterSignature, setter),
  setterContext: setterContext
 });
}

function __embind_register_void(rawType, name) {
 name = readLatin1String(name);
 registerType(rawType, {
  isVoid: true,
  name: name,
  "argPackAdvance": 0,
  "fromWireType": function() {
   return undefined;
  },
  "toWireType": function(destructors, o) {
   return undefined;
  }
 });
}

var emval_symbols = {};

function getStringOrSymbol(address) {
 var symbol = emval_symbols[address];
 if (symbol === undefined) {
  return readLatin1String(address);
 } else {
  return symbol;
 }
}

function emval_get_global() {
 if (typeof globalThis === "object") {
  return globalThis;
 }
 return function() {
  return Function;
 }()("return this")();
}

function __emval_get_global(name) {
 if (name === 0) {
  return __emval_register(emval_get_global());
 } else {
  name = getStringOrSymbol(name);
  return __emval_register(emval_get_global()[name]);
 }
}

function __emval_incref(handle) {
 if (handle > 4) {
  emval_handle_array[handle].refcount += 1;
 }
}

function requireRegisteredType(rawType, humanName) {
 var impl = registeredTypes[rawType];
 if (undefined === impl) {
  throwBindingError(humanName + " has unknown type " + getTypeName(rawType));
 }
 return impl;
}

function craftEmvalAllocator(argCount) {
 var argsList = "";
 for (var i = 0; i < argCount; ++i) {
  argsList += (i !== 0 ? ", " : "") + "arg" + i;
 }
 var functionBody = "return function emval_allocator_" + argCount + "(constructor, argTypes, args) {\n";
 for (var i = 0; i < argCount; ++i) {
  functionBody += "var argType" + i + " = requireRegisteredType(Module['HEAP32'][(argTypes >>> 2) + " + i + '], "parameter ' + i + '");\n' + "var arg" + i + " = argType" + i + ".readValueFromPointer(args);\n" + "args += argType" + i + "['argPackAdvance'];\n";
 }
 functionBody += "var obj = new constructor(" + argsList + ");\n" + "return __emval_register(obj);\n" + "}\n";
 return new Function("requireRegisteredType", "Module", "__emval_register", functionBody)(requireRegisteredType, Module, __emval_register);
}

var emval_newers = {};

function requireHandle(handle) {
 if (!handle) {
  throwBindingError("Cannot use deleted val. handle = " + handle);
 }
 return emval_handle_array[handle].value;
}

function __emval_new(handle, argCount, argTypes, args) {
 handle = requireHandle(handle);
 var newer = emval_newers[argCount];
 if (!newer) {
  newer = craftEmvalAllocator(argCount);
  emval_newers[argCount] = newer;
 }
 return newer(handle, argTypes, args);
}

function _abort() {
 abort();
}

function _emscripten_memcpy_big(dest, src, num) {
 HEAPU8.copyWithin(dest >>> 0, src >>> 0, src + num >>> 0);
}

function _emscripten_get_heap_size() {
 return HEAPU8.length;
}

function emscripten_realloc_buffer(size) {
 try {
  wasmMemory.grow(size - buffer.byteLength + 65535 >>> 16);
  updateGlobalBufferAndViews(wasmMemory.buffer);
  return 1;
 } catch (e) {}
}

function _emscripten_resize_heap(requestedSize) {
 requestedSize = requestedSize >>> 0;
 var oldSize = _emscripten_get_heap_size();
 var PAGE_MULTIPLE = 65536;
 var maxHeapSize = 4294967296;
 if (requestedSize > maxHeapSize) {
  return false;
 }
 var minHeapSize = 16777216;
 for (var cutDown = 1; cutDown <= 4; cutDown *= 2) {
  var overGrownHeapSize = oldSize * (1 + .2 / cutDown);
  overGrownHeapSize = Math.min(overGrownHeapSize, requestedSize + 100663296);
  var newSize = Math.min(maxHeapSize, alignUp(Math.max(minHeapSize, requestedSize, overGrownHeapSize), PAGE_MULTIPLE));
  var replacement = emscripten_realloc_buffer(newSize);
  if (replacement) {
   return true;
  }
 }
 return false;
}

var ENV = {};

function getExecutableName() {
 return thisProgram || "./this.program";
}

function getEnvStrings() {
 if (!getEnvStrings.strings) {
  var lang = (typeof navigator === "object" && navigator.languages && navigator.languages[0] || "C").replace("-", "_") + ".UTF-8";
  var env = {
   "USER": "web_user",
   "LOGNAME": "web_user",
   "PATH": "/",
   "PWD": "/",
   "HOME": "/home/web_user",
   "LANG": lang,
   "_": getExecutableName()
  };
  for (var x in ENV) {
   env[x] = ENV[x];
  }
  var strings = [];
  for (var x in env) {
   strings.push(x + "=" + env[x]);
  }
  getEnvStrings.strings = strings;
 }
 return getEnvStrings.strings;
}

function _environ_get(__environ, environ_buf) {
 var bufSize = 0;
 getEnvStrings().forEach(function(string, i) {
  var ptr = environ_buf + bufSize;
  HEAP32[__environ + i * 4 >>> 2] = ptr;
  writeAsciiToMemory(string, ptr);
  bufSize += string.length + 1;
 });
 return 0;
}

function _environ_sizes_get(penviron_count, penviron_buf_size) {
 var strings = getEnvStrings();
 HEAP32[penviron_count >>> 2] = strings.length;
 var bufSize = 0;
 strings.forEach(function(string) {
  bufSize += string.length + 1;
 });
 HEAP32[penviron_buf_size >>> 2] = bufSize;
 return 0;
}

function _fd_close(fd) {
 try {
  var stream = SYSCALLS.getStreamFromFD(fd);
  FS.close(stream);
  return 0;
 } catch (e) {
  if (typeof FS === "undefined" || !(e instanceof FS.ErrnoError)) abort(e);
  return e.errno;
 }
}

function _fd_seek(fd, offset_low, offset_high, whence, newOffset) {
 try {
  var stream = SYSCALLS.getStreamFromFD(fd);
  var HIGH_OFFSET = 4294967296;
  var offset = offset_high * HIGH_OFFSET + (offset_low >>> 0);
  var DOUBLE_LIMIT = 9007199254740992;
  if (offset <= -DOUBLE_LIMIT || offset >= DOUBLE_LIMIT) {
   return -61;
  }
  FS.llseek(stream, offset, whence);
  tempI64 = [ stream.position >>> 0, (tempDouble = stream.position, +Math_abs(tempDouble) >= 1 ? tempDouble > 0 ? (Math_min(+Math_floor(tempDouble / 4294967296), 4294967295) | 0) >>> 0 : ~~+Math_ceil((tempDouble - +(~~tempDouble >>> 0)) / 4294967296) >>> 0 : 0) ], 
  HEAP32[newOffset >>> 2] = tempI64[0], HEAP32[newOffset + 4 >>> 2] = tempI64[1];
  if (stream.getdents && offset === 0 && whence === 0) stream.getdents = null;
  return 0;
 } catch (e) {
  if (typeof FS === "undefined" || !(e instanceof FS.ErrnoError)) abort(e);
  return e.errno;
 }
}

function _fd_write(fd, iov, iovcnt, pnum) {
 try {
  var stream = SYSCALLS.getStreamFromFD(fd);
  var num = SYSCALLS.doWritev(stream, iov, iovcnt);
  HEAP32[pnum >>> 2] = num;
  return 0;
 } catch (e) {
  if (typeof FS === "undefined" || !(e instanceof FS.ErrnoError)) abort(e);
  return e.errno;
 }
}

function _round(d) {
 d = +d;
 return d >= +0 ? +Math_floor(d + +.5) : +Math_ceil(d - +.5);
}

function _roundf(d) {
 d = +d;
 return d >= +0 ? +Math_floor(d + +.5) : +Math_ceil(d - +.5);
}

function _setTempRet0($i) {
 setTempRet0($i | 0);
}

function __isLeapYear(year) {
 return year % 4 === 0 && (year % 100 !== 0 || year % 400 === 0);
}

function __arraySum(array, index) {
 var sum = 0;
 for (var i = 0; i <= index; sum += array[i++]) {}
 return sum;
}

var __MONTH_DAYS_LEAP = [ 31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 ];

var __MONTH_DAYS_REGULAR = [ 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 ];

function __addDays(date, days) {
 var newDate = new Date(date.getTime());
 while (days > 0) {
  var leap = __isLeapYear(newDate.getFullYear());
  var currentMonth = newDate.getMonth();
  var daysInCurrentMonth = (leap ? __MONTH_DAYS_LEAP : __MONTH_DAYS_REGULAR)[currentMonth];
  if (days > daysInCurrentMonth - newDate.getDate()) {
   days -= daysInCurrentMonth - newDate.getDate() + 1;
   newDate.setDate(1);
   if (currentMonth < 11) {
    newDate.setMonth(currentMonth + 1);
   } else {
    newDate.setMonth(0);
    newDate.setFullYear(newDate.getFullYear() + 1);
   }
  } else {
   newDate.setDate(newDate.getDate() + days);
   return newDate;
  }
 }
 return newDate;
}

function _strftime(s, maxsize, format, tm) {
 var tm_zone = HEAP32[tm + 40 >>> 2];
 var date = {
  tm_sec: HEAP32[tm >>> 2],
  tm_min: HEAP32[tm + 4 >>> 2],
  tm_hour: HEAP32[tm + 8 >>> 2],
  tm_mday: HEAP32[tm + 12 >>> 2],
  tm_mon: HEAP32[tm + 16 >>> 2],
  tm_year: HEAP32[tm + 20 >>> 2],
  tm_wday: HEAP32[tm + 24 >>> 2],
  tm_yday: HEAP32[tm + 28 >>> 2],
  tm_isdst: HEAP32[tm + 32 >>> 2],
  tm_gmtoff: HEAP32[tm + 36 >>> 2],
  tm_zone: tm_zone ? UTF8ToString(tm_zone) : ""
 };
 var pattern = UTF8ToString(format);
 var EXPANSION_RULES_1 = {
  "%c": "%a %b %d %H:%M:%S %Y",
  "%D": "%m/%d/%y",
  "%F": "%Y-%m-%d",
  "%h": "%b",
  "%r": "%I:%M:%S %p",
  "%R": "%H:%M",
  "%T": "%H:%M:%S",
  "%x": "%m/%d/%y",
  "%X": "%H:%M:%S",
  "%Ec": "%c",
  "%EC": "%C",
  "%Ex": "%m/%d/%y",
  "%EX": "%H:%M:%S",
  "%Ey": "%y",
  "%EY": "%Y",
  "%Od": "%d",
  "%Oe": "%e",
  "%OH": "%H",
  "%OI": "%I",
  "%Om": "%m",
  "%OM": "%M",
  "%OS": "%S",
  "%Ou": "%u",
  "%OU": "%U",
  "%OV": "%V",
  "%Ow": "%w",
  "%OW": "%W",
  "%Oy": "%y"
 };
 for (var rule in EXPANSION_RULES_1) {
  pattern = pattern.replace(new RegExp(rule, "g"), EXPANSION_RULES_1[rule]);
 }
 var WEEKDAYS = [ "Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday" ];
 var MONTHS = [ "January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December" ];
 function leadingSomething(value, digits, character) {
  var str = typeof value === "number" ? value.toString() : value || "";
  while (str.length < digits) {
   str = character[0] + str;
  }
  return str;
 }
 function leadingNulls(value, digits) {
  return leadingSomething(value, digits, "0");
 }
 function compareByDay(date1, date2) {
  function sgn(value) {
   return value < 0 ? -1 : value > 0 ? 1 : 0;
  }
  var compare;
  if ((compare = sgn(date1.getFullYear() - date2.getFullYear())) === 0) {
   if ((compare = sgn(date1.getMonth() - date2.getMonth())) === 0) {
    compare = sgn(date1.getDate() - date2.getDate());
   }
  }
  return compare;
 }
 function getFirstWeekStartDate(janFourth) {
  switch (janFourth.getDay()) {
  case 0:
   return new Date(janFourth.getFullYear() - 1, 11, 29);

  case 1:
   return janFourth;

  case 2:
   return new Date(janFourth.getFullYear(), 0, 3);

  case 3:
   return new Date(janFourth.getFullYear(), 0, 2);

  case 4:
   return new Date(janFourth.getFullYear(), 0, 1);

  case 5:
   return new Date(janFourth.getFullYear() - 1, 11, 31);

  case 6:
   return new Date(janFourth.getFullYear() - 1, 11, 30);
  }
 }
 function getWeekBasedYear(date) {
  var thisDate = __addDays(new Date(date.tm_year + 1900, 0, 1), date.tm_yday);
  var janFourthThisYear = new Date(thisDate.getFullYear(), 0, 4);
  var janFourthNextYear = new Date(thisDate.getFullYear() + 1, 0, 4);
  var firstWeekStartThisYear = getFirstWeekStartDate(janFourthThisYear);
  var firstWeekStartNextYear = getFirstWeekStartDate(janFourthNextYear);
  if (compareByDay(firstWeekStartThisYear, thisDate) <= 0) {
   if (compareByDay(firstWeekStartNextYear, thisDate) <= 0) {
    return thisDate.getFullYear() + 1;
   } else {
    return thisDate.getFullYear();
   }
  } else {
   return thisDate.getFullYear() - 1;
  }
 }
 var EXPANSION_RULES_2 = {
  "%a": function(date) {
   return WEEKDAYS[date.tm_wday].substring(0, 3);
  },
  "%A": function(date) {
   return WEEKDAYS[date.tm_wday];
  },
  "%b": function(date) {
   return MONTHS[date.tm_mon].substring(0, 3);
  },
  "%B": function(date) {
   return MONTHS[date.tm_mon];
  },
  "%C": function(date) {
   var year = date.tm_year + 1900;
   return leadingNulls(year / 100 | 0, 2);
  },
  "%d": function(date) {
   return leadingNulls(date.tm_mday, 2);
  },
  "%e": function(date) {
   return leadingSomething(date.tm_mday, 2, " ");
  },
  "%g": function(date) {
   return getWeekBasedYear(date).toString().substring(2);
  },
  "%G": function(date) {
   return getWeekBasedYear(date);
  },
  "%H": function(date) {
   return leadingNulls(date.tm_hour, 2);
  },
  "%I": function(date) {
   var twelveHour = date.tm_hour;
   if (twelveHour == 0) twelveHour = 12; else if (twelveHour > 12) twelveHour -= 12;
   return leadingNulls(twelveHour, 2);
  },
  "%j": function(date) {
   return leadingNulls(date.tm_mday + __arraySum(__isLeapYear(date.tm_year + 1900) ? __MONTH_DAYS_LEAP : __MONTH_DAYS_REGULAR, date.tm_mon - 1), 3);
  },
  "%m": function(date) {
   return leadingNulls(date.tm_mon + 1, 2);
  },
  "%M": function(date) {
   return leadingNulls(date.tm_min, 2);
  },
  "%n": function() {
   return "\n";
  },
  "%p": function(date) {
   if (date.tm_hour >= 0 && date.tm_hour < 12) {
    return "AM";
   } else {
    return "PM";
   }
  },
  "%S": function(date) {
   return leadingNulls(date.tm_sec, 2);
  },
  "%t": function() {
   return "\t";
  },
  "%u": function(date) {
   return date.tm_wday || 7;
  },
  "%U": function(date) {
   var janFirst = new Date(date.tm_year + 1900, 0, 1);
   var firstSunday = janFirst.getDay() === 0 ? janFirst : __addDays(janFirst, 7 - janFirst.getDay());
   var endDate = new Date(date.tm_year + 1900, date.tm_mon, date.tm_mday);
   if (compareByDay(firstSunday, endDate) < 0) {
    var februaryFirstUntilEndMonth = __arraySum(__isLeapYear(endDate.getFullYear()) ? __MONTH_DAYS_LEAP : __MONTH_DAYS_REGULAR, endDate.getMonth() - 1) - 31;
    var firstSundayUntilEndJanuary = 31 - firstSunday.getDate();
    var days = firstSundayUntilEndJanuary + februaryFirstUntilEndMonth + endDate.getDate();
    return leadingNulls(Math.ceil(days / 7), 2);
   }
   return compareByDay(firstSunday, janFirst) === 0 ? "01" : "00";
  },
  "%V": function(date) {
   var janFourthThisYear = new Date(date.tm_year + 1900, 0, 4);
   var janFourthNextYear = new Date(date.tm_year + 1901, 0, 4);
   var firstWeekStartThisYear = getFirstWeekStartDate(janFourthThisYear);
   var firstWeekStartNextYear = getFirstWeekStartDate(janFourthNextYear);
   var endDate = __addDays(new Date(date.tm_year + 1900, 0, 1), date.tm_yday);
   if (compareByDay(endDate, firstWeekStartThisYear) < 0) {
    return "53";
   }
   if (compareByDay(firstWeekStartNextYear, endDate) <= 0) {
    return "01";
   }
   var daysDifference;
   if (firstWeekStartThisYear.getFullYear() < date.tm_year + 1900) {
    daysDifference = date.tm_yday + 32 - firstWeekStartThisYear.getDate();
   } else {
    daysDifference = date.tm_yday + 1 - firstWeekStartThisYear.getDate();
   }
   return leadingNulls(Math.ceil(daysDifference / 7), 2);
  },
  "%w": function(date) {
   return date.tm_wday;
  },
  "%W": function(date) {
   var janFirst = new Date(date.tm_year, 0, 1);
   var firstMonday = janFirst.getDay() === 1 ? janFirst : __addDays(janFirst, janFirst.getDay() === 0 ? 1 : 7 - janFirst.getDay() + 1);
   var endDate = new Date(date.tm_year + 1900, date.tm_mon, date.tm_mday);
   if (compareByDay(firstMonday, endDate) < 0) {
    var februaryFirstUntilEndMonth = __arraySum(__isLeapYear(endDate.getFullYear()) ? __MONTH_DAYS_LEAP : __MONTH_DAYS_REGULAR, endDate.getMonth() - 1) - 31;
    var firstMondayUntilEndJanuary = 31 - firstMonday.getDate();
    var days = firstMondayUntilEndJanuary + februaryFirstUntilEndMonth + endDate.getDate();
    return leadingNulls(Math.ceil(days / 7), 2);
   }
   return compareByDay(firstMonday, janFirst) === 0 ? "01" : "00";
  },
  "%y": function(date) {
   return (date.tm_year + 1900).toString().substring(2);
  },
  "%Y": function(date) {
   return date.tm_year + 1900;
  },
  "%z": function(date) {
   var off = date.tm_gmtoff;
   var ahead = off >= 0;
   off = Math.abs(off) / 60;
   off = off / 60 * 100 + off % 60;
   return (ahead ? "+" : "-") + String("0000" + off).slice(-4);
  },
  "%Z": function(date) {
   return date.tm_zone;
  },
  "%%": function() {
   return "%";
  }
 };
 for (var rule in EXPANSION_RULES_2) {
  if (pattern.indexOf(rule) >= 0) {
   pattern = pattern.replace(new RegExp(rule, "g"), EXPANSION_RULES_2[rule](date));
  }
 }
 var bytes = intArrayFromString(pattern, false);
 if (bytes.length > maxsize) {
  return 0;
 }
 writeArrayToMemory(bytes, s);
 return bytes.length - 1;
}

function _strftime_l(s, maxsize, format, tm) {
 return _strftime(s, maxsize, format, tm);
}

var FSNode = function(parent, name, mode, rdev) {
 if (!parent) {
  parent = this;
 }
 this.parent = parent;
 this.mount = parent.mount;
 this.mounted = null;
 this.id = FS.nextInode++;
 this.name = name;
 this.mode = mode;
 this.node_ops = {};
 this.stream_ops = {};
 this.rdev = rdev;
};

var readMode = 292 | 73;

var writeMode = 146;

Object.defineProperties(FSNode.prototype, {
 read: {
  get: function() {
   return (this.mode & readMode) === readMode;
  },
  set: function(val) {
   val ? this.mode |= readMode : this.mode &= ~readMode;
  }
 },
 write: {
  get: function() {
   return (this.mode & writeMode) === writeMode;
  },
  set: function(val) {
   val ? this.mode |= writeMode : this.mode &= ~writeMode;
  }
 },
 isFolder: {
  get: function() {
   return FS.isDir(this.mode);
  }
 },
 isDevice: {
  get: function() {
   return FS.isChrdev(this.mode);
  }
 }
});

FS.FSNode = FSNode;

FS.staticInit();

InternalError = Module["InternalError"] = extendError(Error, "InternalError");

embind_init_charCodes();

BindingError = Module["BindingError"] = extendError(Error, "BindingError");

init_emval();

UnboundTypeError = Module["UnboundTypeError"] = extendError(Error, "UnboundTypeError");

function intArrayFromString(stringy, dontAddNull, length) {
 var len = length > 0 ? length : lengthBytesUTF8(stringy) + 1;
 var u8array = new Array(len);
 var numBytesWritten = stringToUTF8Array(stringy, u8array, 0, u8array.length);
 if (dontAddNull) u8array.length = numBytesWritten;
 return u8array;
}

var asmLibraryArg = {
 "G": ___cxa_allocate_exception,
 "F": ___cxa_thread_atexit,
 "E": ___cxa_throw,
 "D": ___map_file,
 "C": ___sys_munmap,
 "y": __embind_finalize_value_object,
 "x": __embind_register_bool,
 "w": __embind_register_emval,
 "k": __embind_register_float,
 "v": __embind_register_function,
 "b": __embind_register_integer,
 "a": __embind_register_memory_view,
 "j": __embind_register_std_string,
 "g": __embind_register_std_wstring,
 "u": __embind_register_value_object,
 "i": __embind_register_value_object_field,
 "t": __embind_register_void,
 "h": __emval_decref,
 "s": __emval_get_global,
 "r": __emval_incref,
 "q": __emval_new,
 "f": _abort,
 "p": _emscripten_memcpy_big,
 "d": _emscripten_resize_heap,
 "B": _environ_get,
 "A": _environ_sizes_get,
 "z": _fd_close,
 "o": _fd_seek,
 "l": _fd_write,
 "memory": wasmMemory,
 "e": _round,
 "c": _roundf,
 "n": _setTempRet0,
 "m": _strftime_l,
 "table": wasmTable
};

var asm = createWasm();

var ___wasm_call_ctors = Module["___wasm_call_ctors"] = function() {
 return (___wasm_call_ctors = Module["___wasm_call_ctors"] = Module["asm"]["H"]).apply(null, arguments);
};

var _malloc = Module["_malloc"] = function() {
 return (_malloc = Module["_malloc"] = Module["asm"]["I"]).apply(null, arguments);
};

var _free = Module["_free"] = function() {
 return (_free = Module["_free"] = Module["asm"]["J"]).apply(null, arguments);
};

var ___errno_location = Module["___errno_location"] = function() {
 return (___errno_location = Module["___errno_location"] = Module["asm"]["K"]).apply(null, arguments);
};

var ___getTypeName = Module["___getTypeName"] = function() {
 return (___getTypeName = Module["___getTypeName"] = Module["asm"]["L"]).apply(null, arguments);
};

var ___embind_register_native_and_builtin_types = Module["___embind_register_native_and_builtin_types"] = function() {
 return (___embind_register_native_and_builtin_types = Module["___embind_register_native_and_builtin_types"] = Module["asm"]["M"]).apply(null, arguments);
};

var dynCall_i = Module["dynCall_i"] = function() {
 return (dynCall_i = Module["dynCall_i"] = Module["asm"]["N"]).apply(null, arguments);
};

var dynCall_vi = Module["dynCall_vi"] = function() {
 return (dynCall_vi = Module["dynCall_vi"] = Module["asm"]["O"]).apply(null, arguments);
};

var dynCall_iii = Module["dynCall_iii"] = function() {
 return (dynCall_iii = Module["dynCall_iii"] = Module["asm"]["P"]).apply(null, arguments);
};

var dynCall_viii = Module["dynCall_viii"] = function() {
 return (dynCall_viii = Module["dynCall_viii"] = Module["asm"]["Q"]).apply(null, arguments);
};

var dynCall_fii = Module["dynCall_fii"] = function() {
 return (dynCall_fii = Module["dynCall_fii"] = Module["asm"]["R"]).apply(null, arguments);
};

var dynCall_viif = Module["dynCall_viif"] = function() {
 return (dynCall_viif = Module["dynCall_viif"] = Module["asm"]["S"]).apply(null, arguments);
};

var dynCall_iiiiii = Module["dynCall_iiiiii"] = function() {
 return (dynCall_iiiiii = Module["dynCall_iiiiii"] = Module["asm"]["T"]).apply(null, arguments);
};

var dynCall_viiiii = Module["dynCall_viiiii"] = function() {
 return (dynCall_viiiii = Module["dynCall_viiiii"] = Module["asm"]["U"]).apply(null, arguments);
};

var dynCall_ii = Module["dynCall_ii"] = function() {
 return (dynCall_ii = Module["dynCall_ii"] = Module["asm"]["V"]).apply(null, arguments);
};

var dynCall_iidiiii = Module["dynCall_iidiiii"] = function() {
 return (dynCall_iidiiii = Module["dynCall_iidiiii"] = Module["asm"]["W"]).apply(null, arguments);
};

var dynCall_vii = Module["dynCall_vii"] = function() {
 return (dynCall_vii = Module["dynCall_vii"] = Module["asm"]["X"]).apply(null, arguments);
};

var dynCall_iiiiiii = Module["dynCall_iiiiiii"] = function() {
 return (dynCall_iiiiiii = Module["dynCall_iiiiiii"] = Module["asm"]["Y"]).apply(null, arguments);
};

var dynCall_iiii = Module["dynCall_iiii"] = function() {
 return (dynCall_iiii = Module["dynCall_iiii"] = Module["asm"]["Z"]).apply(null, arguments);
};

var dynCall_v = Module["dynCall_v"] = function() {
 return (dynCall_v = Module["dynCall_v"] = Module["asm"]["_"]).apply(null, arguments);
};

var dynCall_viiiiiii = Module["dynCall_viiiiiii"] = function() {
 return (dynCall_viiiiiii = Module["dynCall_viiiiiii"] = Module["asm"]["$"]).apply(null, arguments);
};

var dynCall_viijii = Module["dynCall_viijii"] = function() {
 return (dynCall_viijii = Module["dynCall_viijii"] = Module["asm"]["aa"]).apply(null, arguments);
};

var dynCall_viiii = Module["dynCall_viiii"] = function() {
 return (dynCall_viiii = Module["dynCall_viiii"] = Module["asm"]["ba"]).apply(null, arguments);
};

var dynCall_iiiii = Module["dynCall_iiiii"] = function() {
 return (dynCall_iiiii = Module["dynCall_iiiii"] = Module["asm"]["ca"]).apply(null, arguments);
};

var dynCall_fi = Module["dynCall_fi"] = function() {
 return (dynCall_fi = Module["dynCall_fi"] = Module["asm"]["da"]).apply(null, arguments);
};

var dynCall_iiji = Module["dynCall_iiji"] = function() {
 return (dynCall_iiji = Module["dynCall_iiji"] = Module["asm"]["ea"]).apply(null, arguments);
};

var dynCall_iifi = Module["dynCall_iifi"] = function() {
 return (dynCall_iifi = Module["dynCall_iifi"] = Module["asm"]["fa"]).apply(null, arguments);
};

var dynCall_jiji = Module["dynCall_jiji"] = function() {
 return (dynCall_jiji = Module["dynCall_jiji"] = Module["asm"]["ga"]).apply(null, arguments);
};

var dynCall_iiiiiiiii = Module["dynCall_iiiiiiiii"] = function() {
 return (dynCall_iiiiiiiii = Module["dynCall_iiiiiiiii"] = Module["asm"]["ha"]).apply(null, arguments);
};

var dynCall_viiiiii = Module["dynCall_viiiiii"] = function() {
 return (dynCall_viiiiii = Module["dynCall_viiiiii"] = Module["asm"]["ia"]).apply(null, arguments);
};

var dynCall_iiiiiiii = Module["dynCall_iiiiiiii"] = function() {
 return (dynCall_iiiiiiii = Module["dynCall_iiiiiiii"] = Module["asm"]["ja"]).apply(null, arguments);
};

var dynCall_iiiiiijj = Module["dynCall_iiiiiijj"] = function() {
 return (dynCall_iiiiiijj = Module["dynCall_iiiiiijj"] = Module["asm"]["ka"]).apply(null, arguments);
};

var dynCall_iiiiij = Module["dynCall_iiiiij"] = function() {
 return (dynCall_iiiiij = Module["dynCall_iiiiij"] = Module["asm"]["la"]).apply(null, arguments);
};

var dynCall_iiiiid = Module["dynCall_iiiiid"] = function() {
 return (dynCall_iiiiid = Module["dynCall_iiiiid"] = Module["asm"]["ma"]).apply(null, arguments);
};

var dynCall_iiiiijj = Module["dynCall_iiiiijj"] = function() {
 return (dynCall_iiiiijj = Module["dynCall_iiiiijj"] = Module["asm"]["na"]).apply(null, arguments);
};

var calledRun;

function ExitStatus(status) {
 this.name = "ExitStatus";
 this.message = "Program terminated with exit(" + status + ")";
 this.status = status;
}

dependenciesFulfilled = function runCaller() {
 if (!calledRun) run();
 if (!calledRun) dependenciesFulfilled = runCaller;
};

function run(args) {
 args = args || arguments_;
 if (runDependencies > 0) {
  return;
 }
 preRun();
 if (runDependencies > 0) return;
 function doRun() {
  if (calledRun) return;
  calledRun = true;
  Module["calledRun"] = true;
  if (ABORT) return;
  initRuntime();
  preMain();
  readyPromiseResolve(Module);
  if (Module["onRuntimeInitialized"]) Module["onRuntimeInitialized"]();
  postRun();
 }
 if (Module["setStatus"]) {
  Module["setStatus"]("Running...");
  setTimeout(function() {
   setTimeout(function() {
    Module["setStatus"]("");
   }, 1);
   doRun();
  }, 1);
 } else {
  doRun();
 }
}

Module["run"] = run;

if (Module["preInit"]) {
 if (typeof Module["preInit"] == "function") Module["preInit"] = [ Module["preInit"] ];
 while (Module["preInit"].length > 0) {
  Module["preInit"].pop()();
 }
}

noExitRuntime = true;

run();


  return jxl_enc.ready
}
);
})();
if (typeof exports === 'object' && typeof module === 'object')
      module.exports = jxl_enc;
    else if (typeof define === 'function' && define['amd'])
      define([], function() { return jxl_enc; });
    else if (typeof exports === 'object')
      exports["jxl_enc"] = jxl_enc;