Git - code.swisschili.sh
code.swisschili.sh / units / 16de322dd25405d34089197c1b1469783d268dc6 / . / units.js
blob: 513ccd4bbc111f3996c5cabdf87e8f918b61e862 [file] [log] [blame]
var createMyModule = (() => {
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Module["removeRunDependency"](`fp ${that.name}`);
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assert(arrayBuffer.constructor.name === ArrayBuffer.name, "bad input to processPackageData");
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fs.readFile(filename, binary ? undefined : "utf8", (err, data) => {
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var EXITSTATUS;
var HEAP8, HEAPU8, HEAP16, HEAPU16, HEAP32, HEAPU32, HEAPF32, HEAPF64;
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TTY.init();
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while (Module["postRun"].length) {
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callRuntimeCallbacks(__ATPOSTRUN__)
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function addOnInit(cb) {
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function addOnPostRun(cb) {
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var runDependencyWatcher = null;
var dependenciesFulfilled = null;
function getUniqueRunDependency(id) {
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function addRunDependency(id) {
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Module["monitorRunDependencies"]?.(runDependencies)
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err(what);
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readyPromiseReject(e);
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var isFileURI = filename => filename.startsWith("file://");
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function getBinarySync(file) {
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return new Uint8Array(wasmBinary)
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if (readBinary) {
return readBinary(file)
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throw "both async and sync fetching of the wasm failed"
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function getBinaryPromise(binaryFile) {
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if (typeof fetch == "function" && !isFileURI(binaryFile)) {
return fetch(binaryFile, {
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}).then(response => {
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throw `failed to load wasm binary file at '${binaryFile}'`
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return response["arrayBuffer"]()
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readAsync(binaryFile, response => resolve(new Uint8Array(response)), reject)
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return Promise.resolve().then(() => getBinarySync(binaryFile))
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function instantiateArrayBuffer(binaryFile, imports, receiver) {
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err(`failed to asynchronously prepare wasm: ${reason}`);
abort(reason)
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credentials: "same-origin"
}).then(response => {
var result = WebAssembly.instantiateStreaming(response, imports);
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err(`wasm streaming compile failed: ${reason}`);
err("falling back to ArrayBuffer instantiation");
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})
})
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function createWasm() {
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"a": wasmImports
};
function receiveInstance(instance, module) {
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wasmExports = Asyncify.instrumentWasmExports(wasmExports);
wasmMemory = wasmExports["o"];
updateMemoryViews();
addOnInit(wasmExports["p"]);
removeRunDependency("wasm-instantiate");
return wasmExports
}
addRunDependency("wasm-instantiate");
function receiveInstantiationResult(result) {
receiveInstance(result["instance"])
}
if (Module["instantiateWasm"]) {
try {
return Module["instantiateWasm"](info, receiveInstance)
} catch (e) {
err(`Module.instantiateWasm callback failed with error: ${e}`);
readyPromiseReject(e)
}
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instantiateAsync(wasmBinary, wasmBinaryFile, info, receiveInstantiationResult).catch(readyPromiseReject);
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var tempDouble;
var tempI64;
function ExitStatus(status) {
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this.message = `Program terminated with exit(${status})`;
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},
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parts.splice(i, 1)
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parts.splice(i, 1);
up++
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parts.splice(i, 1);
up--
}
}
if (allowAboveRoot) {
for (; up; up--) {
parts.unshift("..")
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}
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},
normalize: path => {
var isAbsolute = PATH.isAbs(path),
trailingSlash = path.substr(-1) === "/";
path = PATH.normalizeArray(path.split("/").filter(p => !!p), !isAbsolute).join("/");
if (!path && !isAbsolute) {
path = "."
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if (path && trailingSlash) {
path += "/"
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return (isAbsolute ? "/" : "") + path
},
dirname: path => {
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dir = result[1];
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}
return root + dir
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basename: path => {
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path = PATH.normalize(path);
path = path.replace(/\/$/, "");
var lastSlash = path.lastIndexOf("/");
if (lastSlash === -1) return path;
return path.substr(lastSlash + 1)
},
join: (...paths) => PATH.normalize(paths.join("/")),
join2: (l, r) => PATH.normalize(l + "/" + r)
};
var initRandomFill = () => {
if (typeof crypto == "object" && typeof crypto["getRandomValues"] == "function") {
return view => crypto.getRandomValues(view)
} else if (ENVIRONMENT_IS_NODE) {
try {
var crypto_module = require("crypto");
var randomFillSync = crypto_module["randomFillSync"];
if (randomFillSync) {
return view => crypto_module["randomFillSync"](view)
}
var randomBytes = crypto_module["randomBytes"];
return view => (view.set(randomBytes(view.byteLength)), view)
} catch (e) {}
}
abort("initRandomDevice")
};
var randomFill = view => (randomFill = initRandomFill())(view);
var PATH_FS = {
resolve: (...args) => {
var resolvedPath = "",
resolvedAbsolute = false;
for (var i = args.length - 1; i >= -1 && !resolvedAbsolute; i--) {
var path = i >= 0 ? args[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.isAbs(path)
}
resolvedPath = PATH.normalizeArray(resolvedPath.split("/").filter(p => !!p), !resolvedAbsolute).join("/");
return (resolvedAbsolute ? "/" : "") + resolvedPath || "."
},
relative: (from, to) => {
from = PATH_FS.resolve(from).substr(1);
to = PATH_FS.resolve(to).substr(1);
function trim(arr) {
var start = 0;
for (; start < arr.length; start++) {
if (arr[start] !== "") break
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var end = arr.length - 1;
for (; end >= 0; end--) {
if (arr[end] !== "") break
}
if (start > end) return [];
return arr.slice(start, end - start + 1)
}
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var toParts = trim(to.split("/"));
var length = Math.min(fromParts.length, toParts.length);
var samePartsLength = length;
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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 UTF8Decoder = typeof TextDecoder != "undefined" ? new TextDecoder("utf8") : undefined;
var UTF8ArrayToString = (heapOrArray, idx, maxBytesToRead) => {
var endIdx = idx + maxBytesToRead;
var endPtr = idx;
while (heapOrArray[endPtr] && !(endPtr >= endIdx)) ++endPtr;
if (endPtr - idx > 16 && heapOrArray.buffer && UTF8Decoder) {
return UTF8Decoder.decode(heapOrArray.subarray(idx, endPtr))
}
var str = "";
while (idx < endPtr) {
var u0 = heapOrArray[idx++];
if (!(u0 & 128)) {
str += String.fromCharCode(u0);
continue
}
var u1 = heapOrArray[idx++] & 63;
if ((u0 & 224) == 192) {
str += String.fromCharCode((u0 & 31) << 6 | u1);
continue
}
var u2 = heapOrArray[idx++] & 63;
if ((u0 & 240) == 224) {
u0 = (u0 & 15) << 12 | u1 << 6 | u2
} else {
u0 = (u0 & 7) << 18 | u1 << 12 | u2 << 6 | heapOrArray[idx++] & 63
}
if (u0 < 65536) {
str += String.fromCharCode(u0)
} else {
var ch = u0 - 65536;
str += String.fromCharCode(55296 | ch >> 10, 56320 | ch & 1023)
}
}
return str
};
var FS_stdin_getChar_buffer = [];
var lengthBytesUTF8 = str => {
var len = 0;
for (var i = 0; i < str.length; ++i) {
var c = str.charCodeAt(i);
if (c <= 127) {
len++
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len += 2
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len += 4;
++i
} else {
len += 3
}
}
return len
};
var stringToUTF8Array = (str, heap, 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) {
var u1 = str.charCodeAt(++i);
u = 65536 + ((u & 1023) << 10) | u1 & 1023
}
if (u <= 127) {
if (outIdx >= endIdx) break;
heap[outIdx++] = u
} else if (u <= 2047) {
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heap[outIdx++] = 192 | u >> 6;
heap[outIdx++] = 128 | u & 63
} else if (u <= 65535) {
if (outIdx + 2 >= endIdx) break;
heap[outIdx++] = 224 | u >> 12;
heap[outIdx++] = 128 | u >> 6 & 63;
heap[outIdx++] = 128 | u & 63
} else {
if (outIdx + 3 >= endIdx) break;
heap[outIdx++] = 240 | u >> 18;
heap[outIdx++] = 128 | u >> 12 & 63;
heap[outIdx++] = 128 | u >> 6 & 63;
heap[outIdx++] = 128 | u & 63
}
}
heap[outIdx] = 0;
return outIdx - startIdx
};
function intArrayFromString(stringy, dontAddNull, length) {
var len = length > 0 ? length : lengthBytesUTF8(stringy) + 1;
var u8array = new Array(len);
var numBytesWritten = stringToUTF8Array(stringy, u8array, 0, u8array.length);
if (dontAddNull) u8array.length = numBytesWritten;
return u8array
}
var FS_stdin_getChar = () => {
if (!FS_stdin_getChar_buffer.length) {
var result = null;
if (ENVIRONMENT_IS_NODE) {
var BUFSIZE = 256;
var buf = Buffer.alloc(BUFSIZE);
var bytesRead = 0;
var fd = process.stdin.fd;
try {
bytesRead = fs.readSync(fd, buf)
} catch (e) {
if (e.toString().includes("EOF")) bytesRead = 0;
else throw e
}
if (bytesRead > 0) {
result = buf.slice(0, bytesRead).toString("utf-8")
} else {
result = null
}
} else if (typeof window != "undefined" && typeof window.prompt == "function") {
result = window.prompt("Input: ");
if (result !== null) {
result += "\n"
}
} else if (typeof readline == "function") {
result = readline();
if (result !== null) {
result += "\n"
}
}
if (!result) {
return null
}
FS_stdin_getChar_buffer = intArrayFromString(result, true)
}
return FS_stdin_getChar_buffer.shift()
};
var TTY = {
ttys: [],
init() {},
shutdown() {},
register(dev, ops) {
TTY.ttys[dev] = {
input: [],
output: [],
ops: ops
};
FS.registerDevice(dev, TTY.stream_ops)
},
stream_ops: {
open(stream) {
var tty = TTY.ttys[stream.node.rdev];
if (!tty) {
throw new FS.ErrnoError(43)
}
stream.tty = tty;
stream.seekable = false
},
close(stream) {
stream.tty.ops.fsync(stream.tty)
},
fsync(stream) {
stream.tty.ops.fsync(stream.tty)
},
read(stream, buffer, offset, length, pos) {
if (!stream.tty || !stream.tty.ops.get_char) {
throw new FS.ErrnoError(60)
}
var bytesRead = 0;
for (var i = 0; i < length; i++) {
var result;
try {
result = stream.tty.ops.get_char(stream.tty)
} catch (e) {
throw new FS.ErrnoError(29)
}
if (result === undefined && bytesRead === 0) {
throw new FS.ErrnoError(6)
}
if (result === null || result === undefined) break;
bytesRead++;
buffer[offset + i] = result
}
if (bytesRead) {
stream.node.timestamp = Date.now()
}
return bytesRead
},
write(stream, buffer, offset, length, pos) {
if (!stream.tty || !stream.tty.ops.put_char) {
throw new FS.ErrnoError(60)
}
try {
for (var i = 0; i < length; i++) {
stream.tty.ops.put_char(stream.tty, buffer[offset + i])
}
} catch (e) {
throw new FS.ErrnoError(29)
}
if (length) {
stream.node.timestamp = Date.now()
}
return i
}
},
default_tty_ops: {
get_char(tty) {
return FS_stdin_getChar()
},
put_char(tty, val) {
if (val === null || val === 10) {
out(UTF8ArrayToString(tty.output, 0));
tty.output = []
} else {
if (val != 0) tty.output.push(val)
}
},
fsync(tty) {
if (tty.output && tty.output.length > 0) {
out(UTF8ArrayToString(tty.output, 0));
tty.output = []
}
},
ioctl_tcgets(tty) {
return {
c_iflag: 25856,
c_oflag: 5,
c_cflag: 191,
c_lflag: 35387,
c_cc: [3, 28, 127, 21, 4, 0, 1, 0, 17, 19, 26, 0, 18, 15, 23, 22, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
}
},
ioctl_tcsets(tty, optional_actions, data) {
return 0
},
ioctl_tiocgwinsz(tty) {
return [24, 80]
}
},
default_tty1_ops: {
put_char(tty, val) {
if (val === null || val === 10) {
err(UTF8ArrayToString(tty.output, 0));
tty.output = []
} else {
if (val != 0) tty.output.push(val)
}
},
fsync(tty) {
if (tty.output && tty.output.length > 0) {
err(UTF8ArrayToString(tty.output, 0));
tty.output = []
}
}
}
};
var mmapAlloc = size => {
abort()
};
var MEMFS = {
ops_table: null,
mount(mount) {
return MEMFS.createNode(null, "/", 16384 | 511, 0)
},
createNode(parent, name, mode, dev) {
if (FS.isBlkdev(mode) || FS.isFIFO(mode)) {
throw new FS.ErrnoError(63)
}
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;
parent.timestamp = node.timestamp
}
return node
},
getFileDataAsTypedArray(node) {
if (!node.contents) return new Uint8Array(0);
if (node.contents.subarray) return node.contents.subarray(0, node.usedBytes);
return new Uint8Array(node.contents)
},
expandFileStorage(node, newCapacity) {
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)
},
resizeFileStorage(node, newSize) {
if (node.usedBytes == newSize) return;
if (newSize == 0) {
node.contents = null;
node.usedBytes = 0
} else {
var oldContents = node.contents;
node.contents = new Uint8Array(newSize);
if (oldContents) {
node.contents.set(oldContents.subarray(0, Math.min(newSize, node.usedBytes)))
}
node.usedBytes = newSize
}
},
node_ops: {
getattr(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(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(parent, name) {
throw FS.genericErrors[44]
},
mknod(parent, name, mode, dev) {
return MEMFS.createNode(parent, name, mode, dev)
},
rename(old_node, new_dir, new_name) {
if (FS.isDir(old_node.mode)) {
var new_node;
try {
new_node = FS.lookupNode(new_dir, new_name)
} catch (e) {}
if (new_node) {
for (var i in new_node.contents) {
throw new FS.ErrnoError(55)
}
}
}
delete old_node.parent.contents[old_node.name];
old_node.parent.timestamp = Date.now();
old_node.name = new_name;
new_dir.contents[new_name] = old_node;
new_dir.timestamp = old_node.parent.timestamp;
old_node.parent = new_dir
},
unlink(parent, name) {
delete parent.contents[name];
parent.timestamp = Date.now()
},
rmdir(parent, name) {
var node = FS.lookupNode(parent, name);
for (var i in node.contents) {
throw new FS.ErrnoError(55)
}
delete parent.contents[name];
parent.timestamp = Date.now()
},
readdir(node) {
var entries = [".", ".."];
for (var key of Object.keys(node.contents)) {
entries.push(key)
}
return entries
},
symlink(parent, newname, oldpath) {
var node = MEMFS.createNode(parent, newname, 511 | 40960, 0);
node.link = oldpath;
return node
},
readlink(node) {
if (!FS.isLink(node.mode)) {
throw new FS.ErrnoError(28)
}
return node.link
}
},
stream_ops: {
read(stream, buffer, offset, length, position) {
var contents = stream.node.contents;
if (position >= stream.node.usedBytes) return 0;
var size = Math.min(stream.node.usedBytes - position, length);
if (size > 8 && contents.subarray) {
buffer.set(contents.subarray(position, position + size), offset)
} else {
for (var i = 0; i < size; i++) buffer[offset + i] = contents[position + i]
}
return size
},
write(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 = buffer.slice(offset, offset + length);
node.usedBytes = length;
return length
} else if (position + length <= node.usedBytes) {
node.contents.set(buffer.subarray(offset, offset + length), position);
return length
}
}
MEMFS.expandFileStorage(node, position + length);
if (node.contents.subarray && buffer.subarray) {
node.contents.set(buffer.subarray(offset, offset + length), position)
} else {
for (var i = 0; i < length; i++) {
node.contents[position + i] = buffer[offset + i]
}
}
node.usedBytes = Math.max(node.usedBytes, position + length);
return length
},
llseek(stream, offset, whence) {
var position = offset;
if (whence === 1) {
position += stream.position
} else if (whence === 2) {
if (FS.isFile(stream.node.mode)) {
position += stream.node.usedBytes
}
}
if (position < 0) {
throw new FS.ErrnoError(28)
}
return position
},
allocate(stream, offset, length) {
MEMFS.expandFileStorage(stream.node, offset + length);
stream.node.usedBytes = Math.max(stream.node.usedBytes, offset + length)
},
mmap(stream, length, position, prot, flags) {
if (!FS.isFile(stream.node.mode)) {
throw new FS.ErrnoError(43)
}
var ptr;
var allocated;
var contents = stream.node.contents;
if (!(flags & 2) && contents.buffer === HEAP8.buffer) {
allocated = false;
ptr = contents.byteOffset
} else {
if (position > 0 || position + length < contents.length) {
if (contents.subarray) {
contents = contents.subarray(position, position + length)
} else {
contents = Array.prototype.slice.call(contents, position, position + length)
}
}
allocated = true;
ptr = mmapAlloc(length);
if (!ptr) {
throw new FS.ErrnoError(48)
}
HEAP8.set(contents, ptr)
}
return {
ptr: ptr,
allocated: allocated
}
},
msync(stream, buffer, offset, length, mmapFlags) {
MEMFS.stream_ops.write(stream, buffer, 0, length, offset, false);
return 0
}
}
};
var asyncLoad = (url, onload, onerror, noRunDep) => {
var dep = !noRunDep ? getUniqueRunDependency(`al ${url}`) : "";
readAsync(url, arrayBuffer => {
onload(new Uint8Array(arrayBuffer));
if (dep) removeRunDependency(dep)
}, event => {
if (onerror) {
onerror()
} else {
throw `Loading data file "${url}" failed.`
}
});
if (dep) addRunDependency(dep)
};
var FS_createDataFile = (parent, name, fileData, canRead, canWrite, canOwn) => {
FS.createDataFile(parent, name, fileData, canRead, canWrite, canOwn)
};
var preloadPlugins = Module["preloadPlugins"] || [];
var FS_handledByPreloadPlugin = (byteArray, fullname, finish, onerror) => {
if (typeof Browser != "undefined") Browser.init();
var handled = false;
preloadPlugins.forEach(plugin => {
if (handled) return;
if (plugin["canHandle"](fullname)) {
plugin["handle"](byteArray, fullname, finish, onerror);
handled = true
}
});
return handled
};
var FS_createPreloadedFile = (parent, name, url, canRead, canWrite, onload, onerror, dontCreateFile, canOwn, preFinish) => {
var fullname = name ? PATH_FS.resolve(PATH.join2(parent, name)) : parent;
var dep = getUniqueRunDependency(`cp ${fullname}`);
function processData(byteArray) {
function finish(byteArray) {
preFinish?.();
if (!dontCreateFile) {
FS_createDataFile(parent, name, byteArray, canRead, canWrite, canOwn)
}
onload?.();
removeRunDependency(dep)
}
if (FS_handledByPreloadPlugin(byteArray, fullname, finish, () => {
onerror?.();
removeRunDependency(dep)
})) {
return
}
finish(byteArray)
}
addRunDependency(dep);
if (typeof url == "string") {
asyncLoad(url, processData, onerror)
} else {
processData(url)
}
};
var FS_modeStringToFlags = str => {
var flagModes = {
"r": 0,
"r+": 2,
"w": 512 | 64 | 1,
"w+": 512 | 64 | 2,
"a": 1024 | 64 | 1,
"a+": 1024 | 64 | 2
};
var flags = flagModes[str];
if (typeof flags == "undefined") {
throw new Error(`Unknown file open mode: ${str}`)
}
return flags
};
var FS_getMode = (canRead, canWrite) => {
var mode = 0;
if (canRead) mode |= 292 | 73;
if (canWrite) mode |= 146;
return mode
};
var FS = {
root: null,
mounts: [],
devices: {},
streams: [],
nextInode: 1,
nameTable: null,
currentPath: "/",
initialized: false,
ignorePermissions: true,
ErrnoError: class {
constructor(errno) {
this.name = "ErrnoError";
this.errno = errno
}
},
genericErrors: {},
filesystems: null,
syncFSRequests: 0,
lookupPath(path, opts = {}) {
path = PATH_FS.resolve(path);
if (!path) return {
path: "",
node: null
};
var defaults = {
follow_mount: true,
recurse_count: 0
};
opts = Object.assign(defaults, opts);
if (opts.recurse_count > 8) {
throw new FS.ErrnoError(32)
}
var parts = path.split("/").filter(p => !!p);
var current = FS.root;
var current_path = "/";
for (var i = 0; i < parts.length; i++) {
var islast = i === parts.length - 1;
if (islast && opts.parent) {
break
}
current = FS.lookupNode(current, parts[i]);
current_path = PATH.join2(current_path, parts[i]);
if (FS.isMountpoint(current)) {
if (!islast || islast && opts.follow_mount) {
current = current.mounted.root
}
}
if (!islast || opts.follow) {
var count = 0;
while (FS.isLink(current.mode)) {
var link = FS.readlink(current_path);
current_path = PATH_FS.resolve(PATH.dirname(current_path), link);
var lookup = FS.lookupPath(current_path, {
recurse_count: opts.recurse_count + 1
});
current = lookup.node;
if (count++ > 40) {
throw new FS.ErrnoError(32)
}
}
}
}
return {
path: current_path,
node: current
}
},
getPath(node) {
var path;
while (true) {
if (FS.isRoot(node)) {
var mount = node.mount.mountpoint;
if (!path) return mount;
return mount[mount.length - 1] !== "/" ? `${mount}/${path}` : mount + path
}
path = path ? `${node.name}/${path}` : node.name;
node = node.parent
}
},
hashName(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(node) {
var hash = FS.hashName(node.parent.id, node.name);
node.name_next = FS.nameTable[hash];
FS.nameTable[hash] = node
},
hashRemoveNode(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(parent, name) {
var errCode = FS.mayLookup(parent);
if (errCode) {
throw new FS.ErrnoError(errCode)
}
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(parent, name, mode, rdev) {
var node = new FS.FSNode(parent, name, mode, rdev);
FS.hashAddNode(node);
return node
},
destroyNode(node) {
FS.hashRemoveNode(node)
},
isRoot(node) {
return node === node.parent
},
isMountpoint(node) {
return !!node.mounted
},
isFile(mode) {
return (mode & 61440) === 32768
},
isDir(mode) {
return (mode & 61440) === 16384
},
isLink(mode) {
return (mode & 61440) === 40960
},
isChrdev(mode) {
return (mode & 61440) === 8192
},
isBlkdev(mode) {
return (mode & 61440) === 24576
},
isFIFO(mode) {
return (mode & 61440) === 4096
},
isSocket(mode) {
return (mode & 49152) === 49152
},
flagsToPermissionString(flag) {
var perms = ["r", "w", "rw"][flag & 3];
if (flag & 512) {
perms += "w"
}
return perms
},
nodePermissions(node, perms) {
if (FS.ignorePermissions) {
return 0
}
if (perms.includes("r") && !(node.mode & 292)) {
return 2
} else if (perms.includes("w") && !(node.mode & 146)) {
return 2
} else if (perms.includes("x") && !(node.mode & 73)) {
return 2
}
return 0
},
mayLookup(dir) {
if (!FS.isDir(dir.mode)) return 54;
var errCode = FS.nodePermissions(dir, "x");
if (errCode) return errCode;
if (!dir.node_ops.lookup) return 2;
return 0
},
mayCreate(dir, name) {
try {
var node = FS.lookupNode(dir, name);
return 20
} catch (e) {}
return FS.nodePermissions(dir, "wx")
},
mayDelete(dir, name, isdir) {
var node;
try {
node = FS.lookupNode(dir, name)
} catch (e) {
return e.errno
}
var errCode = FS.nodePermissions(dir, "wx");
if (errCode) {
return errCode
}
if (isdir) {
if (!FS.isDir(node.mode)) {
return 54
}
if (FS.isRoot(node) || FS.getPath(node) === FS.cwd()) {
return 10
}
} else {
if (FS.isDir(node.mode)) {
return 31
}
}
return 0
},
mayOpen(node, flags) {
if (!node) {
return 44
}
if (FS.isLink(node.mode)) {
return 32
} else if (FS.isDir(node.mode)) {
if (FS.flagsToPermissionString(flags) !== "r" || flags & 512) {
return 31
}
}
return FS.nodePermissions(node, FS.flagsToPermissionString(flags))
},
MAX_OPEN_FDS: 4096,
nextfd() {
for (var fd = 0; fd <= FS.MAX_OPEN_FDS; fd++) {
if (!FS.streams[fd]) {
return fd
}
}
throw new FS.ErrnoError(33)
},
getStreamChecked(fd) {
var stream = FS.getStream(fd);
if (!stream) {
throw new FS.ErrnoError(8)
}
return stream
},
getStream: fd => FS.streams[fd],
createStream(stream, fd = -1) {
if (!FS.FSStream) {
FS.FSStream = function() {
this.shared = {}
};
FS.FSStream.prototype = {};
Object.defineProperties(FS.FSStream.prototype, {
object: {
get() {
return this.node
},
set(val) {
this.node = val
}
},
isRead: {
get() {
return (this.flags & 2097155) !== 1
}
},
isWrite: {
get() {
return (this.flags & 2097155) !== 0
}
},
isAppend: {
get() {
return this.flags & 1024
}
},
flags: {
get() {
return this.shared.flags
},
set(val) {
this.shared.flags = val
}
},
position: {
get() {
return this.shared.position
},
set(val) {
this.shared.position = val
}
}
})
}
stream = Object.assign(new FS.FSStream, stream);
if (fd == -1) {
fd = FS.nextfd()
}
stream.fd = fd;
FS.streams[fd] = stream;
return stream
},
closeStream(fd) {
FS.streams[fd] = null
},
chrdev_stream_ops: {
open(stream) {
var device = FS.getDevice(stream.node.rdev);
stream.stream_ops = device.stream_ops;
stream.stream_ops.open?.(stream)
},
llseek() {
throw new FS.ErrnoError(70)
}
},
major: dev => dev >> 8,
minor: dev => dev & 255,
makedev: (ma, mi) => ma << 8 | mi,
registerDevice(dev, ops) {
FS.devices[dev] = {
stream_ops: ops
}
},
getDevice: dev => FS.devices[dev],
getMounts(mount) {
var mounts = [];
var check = [mount];
while (check.length) {
var m = check.pop();
mounts.push(m);
check.push(...m.mounts)
}
return mounts
},
syncfs(populate, callback) {
if (typeof populate == "function") {
callback = populate;
populate = false
}
FS.syncFSRequests++;
if (FS.syncFSRequests > 1) {
err(`warning: ${FS.syncFSRequests} FS.syncfs operations in flight at once, probably just doing extra work`)
}
var mounts = FS.getMounts(FS.root.mount);
var completed = 0;
function doCallback(errCode) {
FS.syncFSRequests--;
return callback(errCode)
}
function done(errCode) {
if (errCode) {
if (!done.errored) {
done.errored = true;
return doCallback(errCode)
}
return
}
if (++completed >= mounts.length) {
doCallback(null)
}
}
mounts.forEach(mount => {
if (!mount.type.syncfs) {
return done(null)
}
mount.type.syncfs(mount, populate, done)
})
},
mount(type, opts, mountpoint) {
var root = mountpoint === "/";
var pseudo = !mountpoint;
var node;
if (root && FS.root) {
throw new FS.ErrnoError(10)
} else if (!root && !pseudo) {
var lookup = FS.lookupPath(mountpoint, {
follow_mount: false
});
mountpoint = lookup.path;
node = lookup.node;
if (FS.isMountpoint(node)) {
throw new FS.ErrnoError(10)
}
if (!FS.isDir(node.mode)) {
throw new FS.ErrnoError(54)
}
}
var mount = {
type: type,
opts: opts,
mountpoint: mountpoint,
mounts: []
};
var mountRoot = type.mount(mount);
mountRoot.mount = mount;
mount.root = mountRoot;
if (root) {
FS.root = mountRoot
} else if (node) {
node.mounted = mount;
if (node.mount) {
node.mount.mounts.push(mount)
}
}
return mountRoot
},
unmount(mountpoint) {
var lookup = FS.lookupPath(mountpoint, {
follow_mount: false
});
if (!FS.isMountpoint(lookup.node)) {
throw new FS.ErrnoError(28)
}
var node = lookup.node;
var mount = node.mounted;
var mounts = FS.getMounts(mount);
Object.keys(FS.nameTable).forEach(hash => {
var current = FS.nameTable[hash];
while (current) {
var next = current.name_next;
if (mounts.includes(current.mount)) {
FS.destroyNode(current)
}
current = next
}
});
node.mounted = null;
var idx = node.mount.mounts.indexOf(mount);
node.mount.mounts.splice(idx, 1)
},
lookup(parent, name) {
return parent.node_ops.lookup(parent, name)
},
mknod(path, mode, dev) {
var lookup = FS.lookupPath(path, {
parent: true
});
var parent = lookup.node;
var name = PATH.basename(path);
if (!name || name === "." || name === "..") {
throw new FS.ErrnoError(28)
}
var errCode = FS.mayCreate(parent, name);
if (errCode) {
throw new FS.ErrnoError(errCode)
}
if (!parent.node_ops.mknod) {
throw new FS.ErrnoError(63)
}
return parent.node_ops.mknod(parent, name, mode, dev)
},
create(path, mode) {
mode = mode !== undefined ? mode : 438;
mode &= 4095;
mode |= 32768;
return FS.mknod(path, mode, 0)
},
mkdir(path, mode) {
mode = mode !== undefined ? mode : 511;
mode &= 511 | 512;
mode |= 16384;
return FS.mknod(path, mode, 0)
},
mkdirTree(path, mode) {
var dirs = path.split("/");
var d = "";
for (var i = 0; i < dirs.length; ++i) {
if (!dirs[i]) continue;
d += "/" + dirs[i];
try {
FS.mkdir(d, mode)
} catch (e) {
if (e.errno != 20) throw e
}
}
},
mkdev(path, mode, dev) {
if (typeof dev == "undefined") {
dev = mode;
mode = 438
}
mode |= 8192;
return FS.mknod(path, mode, dev)
},
symlink(oldpath, newpath) {
if (!PATH_FS.resolve(oldpath)) {
throw new FS.ErrnoError(44)
}
var lookup = FS.lookupPath(newpath, {
parent: true
});
var parent = lookup.node;
if (!parent) {
throw new FS.ErrnoError(44)
}
var newname = PATH.basename(newpath);
var errCode = FS.mayCreate(parent, newname);
if (errCode) {
throw new FS.ErrnoError(errCode)
}
if (!parent.node_ops.symlink) {
throw new FS.ErrnoError(63)
}
return parent.node_ops.symlink(parent, newname, oldpath)
},
rename(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;
lookup = FS.lookupPath(old_path, {
parent: true
});
old_dir = lookup.node;
lookup = FS.lookupPath(new_path, {
parent: true
});
new_dir = lookup.node;
if (!old_dir || !new_dir) throw new FS.ErrnoError(44);
if (old_dir.mount !== new_dir.mount) {
throw new FS.ErrnoError(75)
}
var old_node = FS.lookupNode(old_dir, old_name);
var relative = PATH_FS.relative(old_path, new_dirname);
if (relative.charAt(0) !== ".") {
throw new FS.ErrnoError(28)
}
relative = PATH_FS.relative(new_path, old_dirname);
if (relative.charAt(0) !== ".") {
throw new FS.ErrnoError(55)
}
var new_node;
try {
new_node = FS.lookupNode(new_dir, new_name)
} catch (e) {}
if (old_node === new_node) {
return
}
var isdir = FS.isDir(old_node.mode);
var errCode = FS.mayDelete(old_dir, old_name, isdir);
if (errCode) {
throw new FS.ErrnoError(errCode)
}
errCode = new_node ? FS.mayDelete(new_dir, new_name, isdir) : FS.mayCreate(new_dir, new_name);
if (errCode) {
throw new FS.ErrnoError(errCode)
}
if (!old_dir.node_ops.rename) {
throw new FS.ErrnoError(63)
}
if (FS.isMountpoint(old_node) || new_node && FS.isMountpoint(new_node)) {
throw new FS.ErrnoError(10)
}
if (new_dir !== old_dir) {
errCode = FS.nodePermissions(old_dir, "w");
if (errCode) {
throw new FS.ErrnoError(errCode)
}
}
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)
}
},
rmdir(path) {
var lookup = FS.lookupPath(path, {
parent: true
});
var parent = lookup.node;
var name = PATH.basename(path);
var node = FS.lookupNode(parent, name);
var errCode = FS.mayDelete(parent, name, true);
if (errCode) {
throw new FS.ErrnoError(errCode)
}
if (!parent.node_ops.rmdir) {
throw new FS.ErrnoError(63)
}
if (FS.isMountpoint(node)) {
throw new FS.ErrnoError(10)
}
parent.node_ops.rmdir(parent, name);
FS.destroyNode(node)
},
readdir(path) {
var lookup = FS.lookupPath(path, {
follow: true
});
var node = lookup.node;
if (!node.node_ops.readdir) {
throw new FS.ErrnoError(54)
}
return node.node_ops.readdir(node)
},
unlink(path) {
var lookup = FS.lookupPath(path, {
parent: true
});
var parent = lookup.node;
if (!parent) {
throw new FS.ErrnoError(44)
}
var name = PATH.basename(path);
var node = FS.lookupNode(parent, name);
var errCode = FS.mayDelete(parent, name, false);
if (errCode) {
throw new FS.ErrnoError(errCode)
}
if (!parent.node_ops.unlink) {
throw new FS.ErrnoError(63)
}
if (FS.isMountpoint(node)) {
throw new FS.ErrnoError(10)
}
parent.node_ops.unlink(parent, name);
FS.destroyNode(node)
},
readlink(path) {
var lookup = FS.lookupPath(path);
var link = lookup.node;
if (!link) {
throw new FS.ErrnoError(44)
}
if (!link.node_ops.readlink) {
throw new FS.ErrnoError(28)
}
return PATH_FS.resolve(FS.getPath(link.parent), link.node_ops.readlink(link))
},
stat(path, dontFollow) {
var lookup = FS.lookupPath(path, {
follow: !dontFollow
});
var node = lookup.node;
if (!node) {
throw new FS.ErrnoError(44)
}
if (!node.node_ops.getattr) {
throw new FS.ErrnoError(63)
}
return node.node_ops.getattr(node)
},
lstat(path) {
return FS.stat(path, true)
},
chmod(path, mode, dontFollow) {
var node;
if (typeof path == "string") {
var lookup = FS.lookupPath(path, {
follow: !dontFollow
});
node = lookup.node
} else {
node = path
}
if (!node.node_ops.setattr) {
throw new FS.ErrnoError(63)
}
node.node_ops.setattr(node, {
mode: mode & 4095 | node.mode & ~4095,
timestamp: Date.now()
})
},
lchmod(path, mode) {
FS.chmod(path, mode, true)
},
fchmod(fd, mode) {
var stream = FS.getStreamChecked(fd);
FS.chmod(stream.node, mode)
},
chown(path, uid, gid, dontFollow) {
var node;
if (typeof path == "string") {
var lookup = FS.lookupPath(path, {
follow: !dontFollow
});
node = lookup.node
} else {
node = path
}
if (!node.node_ops.setattr) {
throw new FS.ErrnoError(63)
}
node.node_ops.setattr(node, {
timestamp: Date.now()
})
},
lchown(path, uid, gid) {
FS.chown(path, uid, gid, true)
},
fchown(fd, uid, gid) {
var stream = FS.getStreamChecked(fd);
FS.chown(stream.node, uid, gid)
},
truncate(path, len) {
if (len < 0) {
throw new FS.ErrnoError(28)
}
var node;
if (typeof path == "string") {
var lookup = FS.lookupPath(path, {
follow: true
});
node = lookup.node
} else {
node = path
}
if (!node.node_ops.setattr) {
throw new FS.ErrnoError(63)
}
if (FS.isDir(node.mode)) {
throw new FS.ErrnoError(31)
}
if (!FS.isFile(node.mode)) {
throw new FS.ErrnoError(28)
}
var errCode = FS.nodePermissions(node, "w");
if (errCode) {
throw new FS.ErrnoError(errCode)
}
node.node_ops.setattr(node, {
size: len,
timestamp: Date.now()
})
},
ftruncate(fd, len) {
var stream = FS.getStreamChecked(fd);
if ((stream.flags & 2097155) === 0) {
throw new FS.ErrnoError(28)
}
FS.truncate(stream.node, len)
},
utime(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(path, flags, mode) {
if (path === "") {
throw new FS.ErrnoError(44)
}
flags = typeof flags == "string" ? FS_modeStringToFlags(flags) : flags;
mode = typeof mode == "undefined" ? 438 : mode;
if (flags & 64) {
mode = mode & 4095 | 32768
} else {
mode = 0
}
var node;
if (typeof path == "object") {
node = path
} else {
path = PATH.normalize(path);
try {
var lookup = FS.lookupPath(path, {
follow: !(flags & 131072)
});
node = lookup.node
} catch (e) {}
}
var created = false;
if (flags & 64) {
if (node) {
if (flags & 128) {
throw new FS.ErrnoError(20)
}
} else {
node = FS.mknod(path, mode, 0);
created = true
}
}
if (!node) {
throw new FS.ErrnoError(44)
}
if (FS.isChrdev(node.mode)) {
flags &= ~512
}
if (flags & 65536 && !FS.isDir(node.mode)) {
throw new FS.ErrnoError(54)
}
if (!created) {
var errCode = FS.mayOpen(node, flags);
if (errCode) {
throw new FS.ErrnoError(errCode)
}
}
if (flags & 512 && !created) {
FS.truncate(node, 0)
}
flags &= ~(128 | 512 | 131072);
var stream = FS.createStream({
node: node,
path: FS.getPath(node),
flags: flags,
seekable: true,
position: 0,
stream_ops: node.stream_ops,
ungotten: [],
error: false
});
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
}
}
return stream
},
close(stream) {
if (FS.isClosed(stream)) {
throw new FS.ErrnoError(8)
}
if (stream.getdents) stream.getdents = null;
try {
if (stream.stream_ops.close) {
stream.stream_ops.close(stream)
}
} catch (e) {
throw e
} finally {
FS.closeStream(stream.fd)
}
stream.fd = null
},
isClosed(stream) {
return stream.fd === null
},
llseek(stream, offset, whence) {
if (FS.isClosed(stream)) {
throw new FS.ErrnoError(8)
}
if (!stream.seekable || !stream.stream_ops.llseek) {
throw new FS.ErrnoError(70)
}
if (whence != 0 && whence != 1 && whence != 2) {
throw new FS.ErrnoError(28)
}
stream.position = stream.stream_ops.llseek(stream, offset, whence);
stream.ungotten = [];
return stream.position
},
read(stream, buffer, offset, length, position) {
if (length < 0 || position < 0) {
throw new FS.ErrnoError(28)
}
if (FS.isClosed(stream)) {
throw new FS.ErrnoError(8)
}
if ((stream.flags & 2097155) === 1) {
throw new FS.ErrnoError(8)
}
if (FS.isDir(stream.node.mode)) {
throw new FS.ErrnoError(31)
}
if (!stream.stream_ops.read) {
throw new FS.ErrnoError(28)
}
var seeking = typeof position != "undefined";
if (!seeking) {
position = stream.position
} else if (!stream.seekable) {
throw new FS.ErrnoError(70)
}
var bytesRead = stream.stream_ops.read(stream, buffer, offset, length, position);
if (!seeking) stream.position += bytesRead;
return bytesRead
},
write(stream, buffer, offset, length, position, canOwn) {
if (length < 0 || position < 0) {
throw new FS.ErrnoError(28)
}
if (FS.isClosed(stream)) {
throw new FS.ErrnoError(8)
}
if ((stream.flags & 2097155) === 0) {
throw new FS.ErrnoError(8)
}
if (FS.isDir(stream.node.mode)) {
throw new FS.ErrnoError(31)
}
if (!stream.stream_ops.write) {
throw new FS.ErrnoError(28)
}
if (stream.seekable && stream.flags & 1024) {
FS.llseek(stream, 0, 2)
}
var seeking = typeof position != "undefined";
if (!seeking) {
position = stream.position
} else if (!stream.seekable) {
throw new FS.ErrnoError(70)
}
var bytesWritten = stream.stream_ops.write(stream, buffer, offset, length, position, canOwn);
if (!seeking) stream.position += bytesWritten;
return bytesWritten
},
allocate(stream, offset, length) {
if (FS.isClosed(stream)) {
throw new FS.ErrnoError(8)
}
if (offset < 0 || length <= 0) {
throw new FS.ErrnoError(28)
}
if ((stream.flags & 2097155) === 0) {
throw new FS.ErrnoError(8)
}
if (!FS.isFile(stream.node.mode) && !FS.isDir(stream.node.mode)) {
throw new FS.ErrnoError(43)
}
if (!stream.stream_ops.allocate) {
throw new FS.ErrnoError(138)
}
stream.stream_ops.allocate(stream, offset, length)
},
mmap(stream, length, position, prot, flags) {
if ((prot & 2) !== 0 && (flags & 2) === 0 && (stream.flags & 2097155) !== 2) {
throw new FS.ErrnoError(2)
}
if ((stream.flags & 2097155) === 1) {
throw new FS.ErrnoError(2)
}
if (!stream.stream_ops.mmap) {
throw new FS.ErrnoError(43)
}
return stream.stream_ops.mmap(stream, length, position, prot, flags)
},
msync(stream, buffer, offset, length, mmapFlags) {
if (!stream.stream_ops.msync) {
return 0
}
return stream.stream_ops.msync(stream, buffer, offset, length, mmapFlags)
},
munmap: stream => 0,
ioctl(stream, cmd, arg) {
if (!stream.stream_ops.ioctl) {
throw new FS.ErrnoError(59)
}
return stream.stream_ops.ioctl(stream, cmd, arg)
},
readFile(path, opts = {}) {
opts.flags = opts.flags || 0;
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(path, data, opts = {}) {
opts.flags = opts.flags || 577;
var stream = FS.open(path, opts.flags, opts.mode);
if (typeof data == "string") {
var buf = new Uint8Array(lengthBytesUTF8(data) + 1);
var actualNumBytes = stringToUTF8Array(data, buf, 0, buf.length);
FS.write(stream, buf, 0, actualNumBytes, undefined, opts.canOwn)
} else if (ArrayBuffer.isView(data)) {
FS.write(stream, data, 0, data.byteLength, undefined, opts.canOwn)
} else {
throw new Error("Unsupported data type")
}
FS.close(stream)
},
cwd: () => FS.currentPath,
chdir(path) {
var lookup = FS.lookupPath(path, {
follow: true
});
if (lookup.node === null) {
throw new FS.ErrnoError(44)
}
if (!FS.isDir(lookup.node.mode)) {
throw new FS.ErrnoError(54)
}
var errCode = FS.nodePermissions(lookup.node, "x");
if (errCode) {
throw new FS.ErrnoError(errCode)
}
FS.currentPath = lookup.path
},
createDefaultDirectories() {
FS.mkdir("/tmp");
FS.mkdir("/home");
FS.mkdir("/home/web_user")
},
createDefaultDevices() {
FS.mkdir("/dev");
FS.registerDevice(FS.makedev(1, 3), {
read: () => 0,
write: (stream, buffer, offset, length, pos) => 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 randomBuffer = new Uint8Array(1024),
randomLeft = 0;
var randomByte = () => {
if (randomLeft === 0) {
randomLeft = randomFill(randomBuffer).byteLength
}
return randomBuffer[--randomLeft]
};
FS.createDevice("/dev", "random", randomByte);
FS.createDevice("/dev", "urandom", randomByte);
FS.mkdir("/dev/shm");
FS.mkdir("/dev/shm/tmp")
},
createSpecialDirectories() {
FS.mkdir("/proc");
var proc_self = FS.mkdir("/proc/self");
FS.mkdir("/proc/self/fd");
FS.mount({
mount() {
var node = FS.createNode(proc_self, "fd", 16384 | 511, 73);
node.node_ops = {
lookup(parent, name) {
var fd = +name;
var stream = FS.getStreamChecked(fd);
var ret = {
parent: null,
mount: {
mountpoint: "fake"
},
node_ops: {
readlink: () => stream.path
}
};
ret.parent = ret;
return ret
}
};
return node
}
}, {}, "/proc/self/fd")
},
createStandardStreams() {
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", 0);
var stdout = FS.open("/dev/stdout", 1);
var stderr = FS.open("/dev/stderr", 1)
},
staticInit() {
[44].forEach(code => {
FS.genericErrors[code] = new FS.ErrnoError(code);
FS.genericErrors[code].stack = "<generic error, no stack>"
});
FS.nameTable = new Array(4096);
FS.mount(MEMFS, {}, "/");
FS.createDefaultDirectories();
FS.createDefaultDevices();
FS.createSpecialDirectories();
FS.filesystems = {
"MEMFS": MEMFS
}
},
init(input, output, error) {
FS.init.initialized = true;
Module["stdin"] = input || Module["stdin"];
Module["stdout"] = output || Module["stdout"];
Module["stderr"] = error || Module["stderr"];
FS.createStandardStreams()
},
quit() {
FS.init.initialized = false;
for (var i = 0; i < FS.streams.length; i++) {
var stream = FS.streams[i];
if (!stream) {
continue
}
FS.close(stream)
}
},
findObject(path, dontResolveLastLink) {
var ret = FS.analyzePath(path, dontResolveLastLink);
if (!ret.exists) {
return null
}
return ret.object
},
analyzePath(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
},
createPath(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(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(parent, name, data, canRead, canWrite, canOwn) {
var path = name;
if (parent) {
parent = typeof parent == "string" ? parent : FS.getPath(parent);
path = name ? PATH.join2(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, 577);
FS.write(stream, data, 0, data.length, 0, canOwn);
FS.close(stream);
FS.chmod(node, mode)
}
},
createDevice(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(stream) {
stream.seekable = false
},
close(stream) {
if (output?.buffer?.length) {
output(10)
}
},
read(stream, buffer, offset, length, pos) {
var bytesRead = 0;
for (var i = 0; i < length; i++) {
var result;
try {
result = input()
} catch (e) {
throw new FS.ErrnoError(29)
}
if (result === undefined && bytesRead === 0) {
throw new FS.ErrnoError(6)
}
if (result === null || result === undefined) break;
bytesRead++;
buffer[offset + i] = result
}
if (bytesRead) {
stream.node.timestamp = Date.now()
}
return bytesRead
},
write(stream, buffer, offset, length, pos) {
for (var i = 0; i < length; i++) {
try {
output(buffer[offset + i])
} catch (e) {
throw new FS.ErrnoError(29)
}
}
if (length) {
stream.node.timestamp = Date.now()
}
return i
}
});
return FS.mkdev(path, mode, dev)
},
forceLoadFile(obj) {
if (obj.isDevice || obj.isFolder || obj.link || obj.contents) return true;
if (typeof XMLHttpRequest != "undefined") {
throw new Error("Lazy loading should have been performed (contents set) in createLazyFile, but it was not. Lazy loading only works in web workers. Use --embed-file or --preload-file in emcc on the main thread.")
} else if (read_) {
try {
obj.contents = intArrayFromString(read_(obj.url), true);
obj.usedBytes = obj.contents.length
} catch (e) {
throw new FS.ErrnoError(29)
}
} else {
throw new Error("Cannot load without read() or XMLHttpRequest.")
}
},
createLazyFile(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 = (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);
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 || [])
}
return intArrayFromString(xhr.responseText || "", true)
};
var lazyArray = this;
lazyArray.setDataGetter(chunkNum => {
var start = chunkNum * chunkSize;
var end = (chunkNum + 1) * chunkSize - 1;
end = Math.min(end, datalength - 1);
if (typeof lazyArray.chunks[chunkNum] == "undefined") {
lazyArray.chunks[chunkNum] = doXHR(start, end)
}
if (typeof lazyArray.chunks[chunkNum] == "undefined") throw new Error("doXHR failed!");
return lazyArray.chunks[chunkNum]
});
if (usesGzip || !datalength) {
chunkSize = datalength = 1;
datalength = this.getter(0).length;
chunkSize = datalength;
out("LazyFiles on gzip forces download of the whole file when length is accessed")
}
this._length = datalength;
this._chunkSize = chunkSize;
this.lengthKnown = true
};
if (typeof XMLHttpRequest != "undefined") {
if (!ENVIRONMENT_IS_WORKER) throw "Cannot do synchronous binary XHRs outside webworkers in modern browsers. Use --embed-file or --preload-file in emcc";
var lazyArray = new LazyUint8Array;
Object.defineProperties(lazyArray, {
length: {
get: function() {
if (!this.lengthKnown) {
this.cacheLength()
}
return this._length
}
},
chunkSize: {
get: function() {
if (!this.lengthKnown) {
this.cacheLength()
}
return this._chunkSize
}
}
});
var properties = {
isDevice: false,
contents: lazyArray
}
} else {
var properties = {
isDevice: false,
url: url
}
}
var node = FS.createFile(parent, name, properties, canRead, canWrite);
if (properties.contents) {
node.contents = properties.contents
} else if (properties.url) {
node.contents = null;
node.url = properties.url
}
Object.defineProperties(node, {
usedBytes: {
get: function() {
return this.contents.length
}
}
});
var stream_ops = {};
var keys = Object.keys(node.stream_ops);
keys.forEach(key => {
var fn = node.stream_ops[key];
stream_ops[key] = (...args) => {
FS.forceLoadFile(node);
return fn(...args)
}
});
function writeChunks(stream, buffer, offset, length, position) {
var contents = stream.node.contents;
if (position >= contents.length) return 0;
var size = Math.min(contents.length - position, length);
if (contents.slice) {
for (var i = 0; i < size; i++) {
buffer[offset + i] = contents[position + i]
}
} else {
for (var i = 0; i < size; i++) {
buffer[offset + i] = contents.get(position + i)
}
}
return size
}
stream_ops.read = (stream, buffer, offset, length, position) => {
FS.forceLoadFile(node);
return writeChunks(stream, buffer, offset, length, position)
};
stream_ops.mmap = (stream, length, position, prot, flags) => {
FS.forceLoadFile(node);
var ptr = mmapAlloc(length);
if (!ptr) {
throw new FS.ErrnoError(48)
}
writeChunks(stream, HEAP8, ptr, length, position);
return {
ptr: ptr,
allocated: true
}
};
node.stream_ops = stream_ops;
return node
}
};
var UTF8ToString = (ptr, maxBytesToRead) => ptr ? UTF8ArrayToString(HEAPU8, ptr, maxBytesToRead) : "";
var SYSCALLS = {
DEFAULT_POLLMASK: 5,
calculateAt(dirfd, path, allowEmpty) {
if (PATH.isAbs(path)) {
return path
}
var dir;
if (dirfd === -100) {
dir = FS.cwd()
} else {
var dirstream = SYSCALLS.getStreamFromFD(dirfd);
dir = dirstream.path
}
if (path.length == 0) {
if (!allowEmpty) {
throw new FS.ErrnoError(44)
}
return dir
}
return PATH.join2(dir, path)
},
doStat(func, path, buf) {
var stat = func(path);
HEAP32[buf >> 2] = stat.dev;
HEAP32[buf + 4 >> 2] = stat.mode;
HEAPU32[buf + 8 >> 2] = stat.nlink;
HEAP32[buf + 12 >> 2] = stat.uid;
HEAP32[buf + 16 >> 2] = stat.gid;
HEAP32[buf + 20 >> 2] = stat.rdev;
tempI64 = [stat.size >>> 0, (tempDouble = stat.size, +Math.abs(tempDouble) >= 1 ? tempDouble > 0 ? +Math.floor(tempDouble / 4294967296) >>> 0 : ~~+Math.ceil((tempDouble - +(~~tempDouble >>> 0)) / 4294967296) >>> 0 : 0)], HEAP32[buf + 24 >> 2] = tempI64[0], HEAP32[buf + 28 >> 2] = tempI64[1];
HEAP32[buf + 32 >> 2] = 4096;
HEAP32[buf + 36 >> 2] = stat.blocks;
var atime = stat.atime.getTime();
var mtime = stat.mtime.getTime();
var ctime = stat.ctime.getTime();
tempI64 = [Math.floor(atime / 1e3) >>> 0, (tempDouble = Math.floor(atime / 1e3), +Math.abs(tempDouble) >= 1 ? tempDouble > 0 ? +Math.floor(tempDouble / 4294967296) >>> 0 : ~~+Math.ceil((tempDouble - +(~~tempDouble >>> 0)) / 4294967296) >>> 0 : 0)], HEAP32[buf + 40 >> 2] = tempI64[0], HEAP32[buf + 44 >> 2] = tempI64[1];
HEAPU32[buf + 48 >> 2] = atime % 1e3 * 1e3;
tempI64 = [Math.floor(mtime / 1e3) >>> 0, (tempDouble = Math.floor(mtime / 1e3), +Math.abs(tempDouble) >= 1 ? tempDouble > 0 ? +Math.floor(tempDouble / 4294967296) >>> 0 : ~~+Math.ceil((tempDouble - +(~~tempDouble >>> 0)) / 4294967296) >>> 0 : 0)], HEAP32[buf + 56 >> 2] = tempI64[0], HEAP32[buf + 60 >> 2] = tempI64[1];
HEAPU32[buf + 64 >> 2] = mtime % 1e3 * 1e3;
tempI64 = [Math.floor(ctime / 1e3) >>> 0, (tempDouble = Math.floor(ctime / 1e3), +Math.abs(tempDouble) >= 1 ? tempDouble > 0 ? +Math.floor(tempDouble / 4294967296) >>> 0 : ~~+Math.ceil((tempDouble - +(~~tempDouble >>> 0)) / 4294967296) >>> 0 : 0)], HEAP32[buf + 72 >> 2] = tempI64[0], HEAP32[buf + 76 >> 2] = tempI64[1];
HEAPU32[buf + 80 >> 2] = ctime % 1e3 * 1e3;
tempI64 = [stat.ino >>> 0, (tempDouble = stat.ino, +Math.abs(tempDouble) >= 1 ? tempDouble > 0 ? +Math.floor(tempDouble / 4294967296) >>> 0 : ~~+Math.ceil((tempDouble - +(~~tempDouble >>> 0)) / 4294967296) >>> 0 : 0)], HEAP32[buf + 88 >> 2] = tempI64[0], HEAP32[buf + 92 >> 2] = tempI64[1];
return 0
},
doMsync(addr, stream, len, flags, offset) {
if (!FS.isFile(stream.node.mode)) {
throw new FS.ErrnoError(43)
}
if (flags & 2) {
return 0
}
var buffer = HEAPU8.slice(addr, addr + len);
FS.msync(stream, buffer, offset, len, flags)
},
varargs: undefined,
get() {
var ret = HEAP32[+SYSCALLS.varargs >> 2];
SYSCALLS.varargs += 4;
return ret
},
getp() {
return SYSCALLS.get()
},
getStr(ptr) {
var ret = UTF8ToString(ptr);
return ret
},
getStreamFromFD(fd) {
var stream = FS.getStreamChecked(fd);
return stream
}
};
function ___syscall_fcntl64(fd, cmd, varargs) {
SYSCALLS.varargs = varargs;
try {
var stream = SYSCALLS.getStreamFromFD(fd);
switch (cmd) {
case 0: {
var arg = SYSCALLS.get();
if (arg < 0) {
return -28
}
while (FS.streams[arg]) {
arg++
}
var newStream;
newStream = FS.createStream(stream, arg);
return newStream.fd
}
case 1:
case 2:
return 0;
case 3:
return stream.flags;
case 4: {
var arg = SYSCALLS.get();
stream.flags |= arg;
return 0
}
case 12: {
var arg = SYSCALLS.getp();
var offset = 0;
HEAP16[arg + offset >> 1] = 2;
return 0
}
case 13:
case 14:
return 0
}
return -28
} catch (e) {
if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e;
return -e.errno
}
}
function ___syscall_ioctl(fd, op, varargs) {
SYSCALLS.varargs = varargs;
try {
var stream = SYSCALLS.getStreamFromFD(fd);
switch (op) {
case 21509: {
if (!stream.tty) return -59;
return 0
}
case 21505: {
if (!stream.tty) return -59;
if (stream.tty.ops.ioctl_tcgets) {
var termios = stream.tty.ops.ioctl_tcgets(stream);
var argp = SYSCALLS.getp();
HEAP32[argp >> 2] = termios.c_iflag || 0;
HEAP32[argp + 4 >> 2] = termios.c_oflag || 0;
HEAP32[argp + 8 >> 2] = termios.c_cflag || 0;
HEAP32[argp + 12 >> 2] = termios.c_lflag || 0;
for (var i = 0; i < 32; i++) {
HEAP8[argp + i + 17] = termios.c_cc[i] || 0
}
return 0
}
return 0
}
case 21510:
case 21511:
case 21512: {
if (!stream.tty) return -59;
return 0
}
case 21506:
case 21507:
case 21508: {
if (!stream.tty) return -59;
if (stream.tty.ops.ioctl_tcsets) {
var argp = SYSCALLS.getp();
var c_iflag = HEAP32[argp >> 2];
var c_oflag = HEAP32[argp + 4 >> 2];
var c_cflag = HEAP32[argp + 8 >> 2];
var c_lflag = HEAP32[argp + 12 >> 2];
var c_cc = [];
for (var i = 0; i < 32; i++) {
c_cc.push(HEAP8[argp + i + 17])
}
return stream.tty.ops.ioctl_tcsets(stream.tty, op, {
c_iflag: c_iflag,
c_oflag: c_oflag,
c_cflag: c_cflag,
c_lflag: c_lflag,
c_cc: c_cc
})
}
return 0
}
case 21519: {
if (!stream.tty) return -59;
var argp = SYSCALLS.getp();
HEAP32[argp >> 2] = 0;
return 0
}
case 21520: {
if (!stream.tty) return -59;
return -28
}
case 21531: {
var argp = SYSCALLS.getp();
return FS.ioctl(stream, op, argp)
}
case 21523: {
if (!stream.tty) return -59;
if (stream.tty.ops.ioctl_tiocgwinsz) {
var winsize = stream.tty.ops.ioctl_tiocgwinsz(stream.tty);
var argp = SYSCALLS.getp();
HEAP16[argp >> 1] = winsize[0];
HEAP16[argp + 2 >> 1] = winsize[1]
}
return 0
}
case 21524: {
if (!stream.tty) return -59;
return 0
}
case 21515: {
if (!stream.tty) return -59;
return 0
}
default:
return -28
}
} catch (e) {
if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e;
return -e.errno
}
}
function ___syscall_openat(dirfd, path, flags, varargs) {
SYSCALLS.varargs = varargs;
try {
path = SYSCALLS.getStr(path);
path = SYSCALLS.calculateAt(dirfd, path);
var mode = varargs ? SYSCALLS.get() : 0;
return FS.open(path, flags, mode).fd
} catch (e) {
if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e;
return -e.errno
}
}
function ___syscall_stat64(path, buf) {
try {
path = SYSCALLS.getStr(path);
return SYSCALLS.doStat(FS.stat, path, buf)
} catch (e) {
if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e;
return -e.errno
}
}
var _emscripten_memcpy_js = (dest, src, num) => HEAPU8.copyWithin(dest, src, src + num);
var abortOnCannotGrowMemory = requestedSize => {
abort("OOM")
};
var _emscripten_resize_heap = requestedSize => {
var oldSize = HEAPU8.length;
requestedSize >>>= 0;
abortOnCannotGrowMemory(requestedSize)
};
var ENV = {};
var getExecutableName = () => thisProgram || "./this.program";
var getEnvStrings = () => {
if (!getEnvStrings.strings) {
var lang = (typeof navigator == "object" && navigator.languages && navigator.languages[0] || "C").replace("-", "_") + ".UTF-8";
var env = {
"USER": "web_user",
"LOGNAME": "web_user",
"PATH": "/",
"PWD": "/",
"HOME": "/home/web_user",
"LANG": lang,
"_": getExecutableName()
};
for (var x in ENV) {
if (ENV[x] === undefined) delete env[x];
else env[x] = ENV[x]
}
var strings = [];
for (var x in env) {
strings.push(`${x}=${env[x]}`)
}
getEnvStrings.strings = strings
}
return getEnvStrings.strings
};
var stringToAscii = (str, buffer) => {
for (var i = 0; i < str.length; ++i) {
HEAP8[buffer++] = str.charCodeAt(i)
}
HEAP8[buffer] = 0
};
var _environ_get = (__environ, environ_buf) => {
var bufSize = 0;
getEnvStrings().forEach((string, i) => {
var ptr = environ_buf + bufSize;
HEAPU32[__environ + i * 4 >> 2] = ptr;
stringToAscii(string, ptr);
bufSize += string.length + 1
});
return 0
};
var _environ_sizes_get = (penviron_count, penviron_buf_size) => {
var strings = getEnvStrings();
HEAPU32[penviron_count >> 2] = strings.length;
var bufSize = 0;
strings.forEach(string => bufSize += string.length + 1);
HEAPU32[penviron_buf_size >> 2] = bufSize;
return 0
};
var runtimeKeepaliveCounter = 0;
var keepRuntimeAlive = () => noExitRuntime || runtimeKeepaliveCounter > 0;
var _proc_exit = code => {
EXITSTATUS = code;
if (!keepRuntimeAlive()) {
Module["onExit"]?.(code);
ABORT = true
}
quit_(code, new ExitStatus(code))
};
var exitJS = (status, implicit) => {
EXITSTATUS = status;
_proc_exit(status)
};
var _exit = exitJS;
function _fd_close(fd) {
try {
var stream = SYSCALLS.getStreamFromFD(fd);
FS.close(stream);
return 0
} catch (e) {
if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e;
return e.errno
}
}
function _fd_fdstat_get(fd, pbuf) {
try {
var rightsBase = 0;
var rightsInheriting = 0;
var flags = 0;
{
var stream = SYSCALLS.getStreamFromFD(fd);
var type = stream.tty ? 2 : FS.isDir(stream.mode) ? 3 : FS.isLink(stream.mode) ? 7 : 4
}
HEAP8[pbuf] = type;
HEAP16[pbuf + 2 >> 1] = flags;
tempI64 = [rightsBase >>> 0, (tempDouble = rightsBase, +Math.abs(tempDouble) >= 1 ? tempDouble > 0 ? +Math.floor(tempDouble / 4294967296) >>> 0 : ~~+Math.ceil((tempDouble - +(~~tempDouble >>> 0)) / 4294967296) >>> 0 : 0)], HEAP32[pbuf + 8 >> 2] = tempI64[0], HEAP32[pbuf + 12 >> 2] = tempI64[1];
tempI64 = [rightsInheriting >>> 0, (tempDouble = rightsInheriting, +Math.abs(tempDouble) >= 1 ? tempDouble > 0 ? +Math.floor(tempDouble / 4294967296) >>> 0 : ~~+Math.ceil((tempDouble - +(~~tempDouble >>> 0)) / 4294967296) >>> 0 : 0)], HEAP32[pbuf + 16 >> 2] = tempI64[0], HEAP32[pbuf + 20 >> 2] = tempI64[1];
return 0
} catch (e) {
if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e;
return e.errno
}
}
var doReadv = (stream, iov, iovcnt, offset) => {
var ret = 0;
for (var i = 0; i < iovcnt; i++) {
var ptr = HEAPU32[iov >> 2];
var len = HEAPU32[iov + 4 >> 2];
iov += 8;
var curr = FS.read(stream, HEAP8, ptr, len, offset);
if (curr < 0) return -1;
ret += curr;
if (curr < len) break;
if (typeof offset !== "undefined") {
offset += curr
}
}
return ret
};
function _fd_read(fd, iov, iovcnt, pnum) {
try {
var stream = SYSCALLS.getStreamFromFD(fd);
var num = doReadv(stream, iov, iovcnt);
HEAPU32[pnum >> 2] = num;
return 0
} catch (e) {
if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e;
return e.errno
}
}
var convertI32PairToI53Checked = (lo, hi) => hi + 2097152 >>> 0 < 4194305 - !!lo ? (lo >>> 0) + hi * 4294967296 : NaN;
function _fd_seek(fd, offset_low, offset_high, whence, newOffset) {
var offset = convertI32PairToI53Checked(offset_low, offset_high);
try {
if (isNaN(offset)) return 61;
var stream = SYSCALLS.getStreamFromFD(fd);
FS.llseek(stream, offset, whence);
tempI64 = [stream.position >>> 0, (tempDouble = stream.position, +Math.abs(tempDouble) >= 1 ? tempDouble > 0 ? +Math.floor(tempDouble / 4294967296) >>> 0 : ~~+Math.ceil((tempDouble - +(~~tempDouble >>> 0)) / 4294967296) >>> 0 : 0)], HEAP32[newOffset >> 2] = tempI64[0], HEAP32[newOffset + 4 >> 2] = tempI64[1];
if (stream.getdents && offset === 0 && whence === 0) stream.getdents = null;
return 0
} catch (e) {
if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e;
return e.errno
}
}
var doWritev = (stream, iov, iovcnt, offset) => {
var ret = 0;
for (var i = 0; i < iovcnt; i++) {
var ptr = HEAPU32[iov >> 2];
var len = HEAPU32[iov + 4 >> 2];
iov += 8;
var curr = FS.write(stream, HEAP8, ptr, len, offset);
if (curr < 0) return -1;
ret += curr;
if (typeof offset !== "undefined") {
offset += curr
}
}
return ret
};
function _fd_write(fd, iov, iovcnt, pnum) {
try {
var stream = SYSCALLS.getStreamFromFD(fd);
var num = doWritev(stream, iov, iovcnt);
HEAPU32[pnum >> 2] = num;
return 0
} catch (e) {
if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e;
return e.errno
}
}
var runAndAbortIfError = func => {
try {
return func()
} catch (e) {
abort(e)
}
};
var handleException = e => {
if (e instanceof ExitStatus || e == "unwind") {
return EXITSTATUS
}
quit_(1, e)
};
var maybeExit = () => {
if (!keepRuntimeAlive()) {
try {
_exit(EXITSTATUS)
} catch (e) {
handleException(e)
}
}
};
var callUserCallback = func => {
if (ABORT) {
return
}
try {
func();
maybeExit()
} catch (e) {
handleException(e)
}
};
var runtimeKeepalivePush = () => {
runtimeKeepaliveCounter += 1
};
var runtimeKeepalivePop = () => {
runtimeKeepaliveCounter -= 1
};
var Asyncify = {
instrumentWasmImports(imports) {
var importPattern = /^(invoke_.*|__asyncjs__.*)$/;
for (let [x, original] of Object.entries(imports)) {
let sig = original.sig;
if (typeof original == "function") {
let isAsyncifyImport = original.isAsync || importPattern.test(x)
}
}
},
instrumentWasmExports(exports) {
var ret = {};
for (let [x, original] of Object.entries(exports)) {
if (typeof original == "function") {
ret[x] = (...args) => {
Asyncify.exportCallStack.push(x);
try {
return original(...args)
} finally {
if (!ABORT) {
var y = Asyncify.exportCallStack.pop();
Asyncify.maybeStopUnwind()
}
}
}
} else {
ret[x] = original
}
}
return ret
},
State: {
Normal: 0,
Unwinding: 1,
Rewinding: 2,
Disabled: 3
},
state: 0,
StackSize: 4096,
currData: null,
handleSleepReturnValue: 0,
exportCallStack: [],
callStackNameToId: {},
callStackIdToName: {},
callStackId: 0,
asyncPromiseHandlers: null,
sleepCallbacks: [],
getCallStackId(funcName) {
var id = Asyncify.callStackNameToId[funcName];
if (id === undefined) {
id = Asyncify.callStackId++;
Asyncify.callStackNameToId[funcName] = id;
Asyncify.callStackIdToName[id] = funcName
}
return id
},
maybeStopUnwind() {
if (Asyncify.currData && Asyncify.state === Asyncify.State.Unwinding && Asyncify.exportCallStack.length === 0) {
Asyncify.state = Asyncify.State.Normal;
runAndAbortIfError(_asyncify_stop_unwind);
if (typeof Fibers != "undefined") {
Fibers.trampoline()
}
}
},
whenDone() {
return new Promise((resolve, reject) => {
Asyncify.asyncPromiseHandlers = {
resolve: resolve,
reject: reject
}
})
},
allocateData() {
var ptr = _malloc(12 + Asyncify.StackSize);
Asyncify.setDataHeader(ptr, ptr + 12, Asyncify.StackSize);
Asyncify.setDataRewindFunc(ptr);
return ptr
},
setDataHeader(ptr, stack, stackSize) {
HEAPU32[ptr >> 2] = stack;
HEAPU32[ptr + 4 >> 2] = stack + stackSize
},
setDataRewindFunc(ptr) {
var bottomOfCallStack = Asyncify.exportCallStack[0];
var rewindId = Asyncify.getCallStackId(bottomOfCallStack);
HEAP32[ptr + 8 >> 2] = rewindId
},
getDataRewindFunc(ptr) {
var id = HEAP32[ptr + 8 >> 2];
var name = Asyncify.callStackIdToName[id];
var func = wasmExports[name];
return func
},
doRewind(ptr) {
var start = Asyncify.getDataRewindFunc(ptr);
return start()
},
handleSleep(startAsync) {
if (ABORT) return;
if (Asyncify.state === Asyncify.State.Normal) {
var reachedCallback = false;
var reachedAfterCallback = false;
startAsync((handleSleepReturnValue = 0) => {
if (ABORT) return;
Asyncify.handleSleepReturnValue = handleSleepReturnValue;
reachedCallback = true;
if (!reachedAfterCallback) {
return
}
Asyncify.state = Asyncify.State.Rewinding;
runAndAbortIfError(() => _asyncify_start_rewind(Asyncify.currData));
if (typeof Browser != "undefined" && Browser.mainLoop.func) {
Browser.mainLoop.resume()
}
var asyncWasmReturnValue, isError = false;
try {
asyncWasmReturnValue = Asyncify.doRewind(Asyncify.currData)
} catch (err) {
asyncWasmReturnValue = err;
isError = true
}
var handled = false;
if (!Asyncify.currData) {
var asyncPromiseHandlers = Asyncify.asyncPromiseHandlers;
if (asyncPromiseHandlers) {
Asyncify.asyncPromiseHandlers = null;
(isError ? asyncPromiseHandlers.reject : asyncPromiseHandlers.resolve)(asyncWasmReturnValue);
handled = true
}
}
if (isError && !handled) {
throw asyncWasmReturnValue
}
});
reachedAfterCallback = true;
if (!reachedCallback) {
Asyncify.state = Asyncify.State.Unwinding;
Asyncify.currData = Asyncify.allocateData();
if (typeof Browser != "undefined" && Browser.mainLoop.func) {
Browser.mainLoop.pause()
}
runAndAbortIfError(() => _asyncify_start_unwind(Asyncify.currData))
}
} else if (Asyncify.state === Asyncify.State.Rewinding) {
Asyncify.state = Asyncify.State.Normal;
runAndAbortIfError(_asyncify_stop_rewind);
_free(Asyncify.currData);
Asyncify.currData = null;
Asyncify.sleepCallbacks.forEach(callUserCallback)
} else {
abort(`invalid state: ${Asyncify.state}`)
}
return Asyncify.handleSleepReturnValue
},
handleAsync(startAsync) {
return Asyncify.handleSleep(wakeUp => {
startAsync().then(wakeUp)
})
}
};
var getCFunc = ident => {
var func = Module["_" + ident];
return func
};
var writeArrayToMemory = (array, buffer) => {
HEAP8.set(array, buffer)
};
var stringToUTF8 = (str, outPtr, maxBytesToWrite) => stringToUTF8Array(str, HEAPU8, outPtr, maxBytesToWrite);
var stringToUTF8OnStack = str => {
var size = lengthBytesUTF8(str) + 1;
var ret = stackAlloc(size);
stringToUTF8(str, ret, size);
return ret
};
var ccall = (ident, returnType, argTypes, args, opts) => {
var toC = {
"string": str => {
var ret = 0;
if (str !== null && str !== undefined && str !== 0) {
ret = stringToUTF8OnStack(str)
}
return ret
},
"array": arr => {
var ret = stackAlloc(arr.length);
writeArrayToMemory(arr, ret);
return ret
}
};
function convertReturnValue(ret) {
if (returnType === "string") {
return UTF8ToString(ret)
}
if (returnType === "boolean") return Boolean(ret);
return ret
}
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 = stackSave();
cArgs[i] = converter(args[i])
} else {
cArgs[i] = args[i]
}
}
}
var previousAsync = Asyncify.currData;
var ret = func(...cArgs);
function onDone(ret) {
runtimeKeepalivePop();
if (stack !== 0) stackRestore(stack);
return convertReturnValue(ret)
}
var asyncMode = opts?.async;
runtimeKeepalivePush();
if (Asyncify.currData != previousAsync) {
return Asyncify.whenDone().then(onDone)
}
ret = onDone(ret);
if (asyncMode) return Promise.resolve(ret);
return ret
};
var cwrap = (ident, returnType, argTypes, opts) => {
var numericArgs = !argTypes || argTypes.every(type => type === "number" || type === "boolean");
var numericRet = returnType !== "string";
if (numericRet && numericArgs && !opts) {
return getCFunc(ident)
}
return (...args) => ccall(ident, returnType, argTypes, args, opts)
};
var stringToNewUTF8 = str => {
var size = lengthBytesUTF8(str) + 1;
var ret = _malloc(size);
if (ret) stringToUTF8(str, ret, size);
return ret
};
var FSNode = function(parent, name, mode, rdev) {
if (!parent) {
parent = this
}
this.parent = parent;
this.mount = parent.mount;
this.mounted = null;
this.id = FS.nextInode++;
this.name = name;
this.mode = mode;
this.node_ops = {};
this.stream_ops = {};
this.rdev = rdev
};
var readMode = 292 | 73;
var writeMode = 146;
Object.defineProperties(FSNode.prototype, {
read: {
get: function() {
return (this.mode & readMode) === readMode
},
set: function(val) {
val ? this.mode |= readMode : this.mode &= ~readMode
}
},
write: {
get: function() {
return (this.mode & writeMode) === writeMode
},
set: function(val) {
val ? this.mode |= writeMode : this.mode &= ~writeMode
}
},
isFolder: {
get: function() {
return FS.isDir(this.mode)
}
},
isDevice: {
get: function() {
return FS.isChrdev(this.mode)
}
}
});
FS.FSNode = FSNode;
FS.createPreloadedFile = FS_createPreloadedFile;
FS.staticInit();
Module["FS_createPath"] = FS.createPath;
Module["FS_createDataFile"] = FS.createDataFile;
Module["FS_createPreloadedFile"] = FS.createPreloadedFile;
Module["FS_unlink"] = FS.unlink;
Module["FS_createLazyFile"] = FS.createLazyFile;
Module["FS_createDevice"] = FS.createDevice;
var wasmImports = {
d: ___syscall_fcntl64,
h: ___syscall_ioctl,
i: ___syscall_openat,
l: ___syscall_stat64,
n: _emscripten_memcpy_js,
k: _emscripten_resize_heap,
e: _environ_get,
f: _environ_sizes_get,
a: _exit,
b: _fd_close,
m: _fd_fdstat_get,
g: _fd_read,
j: _fd_seek,
c: _fd_write
};
var wasmExports = createWasm();
var ___wasm_call_ctors = () => (___wasm_call_ctors = wasmExports["p"])();
var _free = a0 => (_free = wasmExports["q"])(a0);
var _malloc = a0 => (_malloc = wasmExports["r"])(a0);
var _test_int = Module["_test_int"] = (a0, a1) => (_test_int = Module["_test_int"] = wasmExports["t"])(a0, a1);
var _do_a_conversion = Module["_do_a_conversion"] = (a0, a1) => (_do_a_conversion = Module["_do_a_conversion"] = wasmExports["u"])(a0, a1);
var stackSave = () => (stackSave = wasmExports["v"])();
var stackRestore = a0 => (stackRestore = wasmExports["w"])(a0);
var stackAlloc = a0 => (stackAlloc = wasmExports["x"])(a0);
var _asyncify_start_unwind = a0 => (_asyncify_start_unwind = wasmExports["y"])(a0);
var _asyncify_stop_unwind = () => (_asyncify_stop_unwind = wasmExports["z"])();
var _asyncify_start_rewind = a0 => (_asyncify_start_rewind = wasmExports["A"])(a0);
var _asyncify_stop_rewind = () => (_asyncify_stop_rewind = wasmExports["B"])();
Module["addRunDependency"] = addRunDependency;
Module["removeRunDependency"] = removeRunDependency;
Module["FS_createPath"] = FS.createPath;
Module["FS_createLazyFile"] = FS.createLazyFile;
Module["FS_createDevice"] = FS.createDevice;
Module["ccall"] = ccall;
Module["cwrap"] = cwrap;
Module["stringToNewUTF8"] = stringToNewUTF8;
Module["FS_createPreloadedFile"] = FS.createPreloadedFile;
Module["FS_createDataFile"] = FS.createDataFile;
Module["FS_unlink"] = FS.unlink;
var calledRun;
dependenciesFulfilled = function runCaller() {
if (!calledRun) run();
if (!calledRun) dependenciesFulfilled = runCaller
};
function run() {
if (runDependencies > 0) {
return
}
preRun();
if (runDependencies > 0) {
return
}
function doRun() {
if (calledRun) return;
calledRun = true;
Module["calledRun"] = true;
if (ABORT) return;
initRuntime();
readyPromiseResolve(Module);
if (Module["onRuntimeInitialized"]) Module["onRuntimeInitialized"]();
postRun()
}
if (Module["setStatus"]) {
Module["setStatus"]("Running...");
setTimeout(function() {
setTimeout(function() {
Module["setStatus"]("")
}, 1);
doRun()
}, 1)
} else {
doRun()
}
}
if (Module["preInit"]) {
if (typeof Module["preInit"] == "function") Module["preInit"] = [Module["preInit"]];
while (Module["preInit"].length > 0) {
Module["preInit"].pop()()
}
}
run();
return moduleArg.ready
}
);
})();
if (typeof exports === 'object' && typeof module === 'object')
module.exports = createMyModule;
else if (typeof define === 'function' && define['amd'])
define([], () => createMyModule);