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process",72:"Stale file handle",73:"Connection timed out",74:"Text file busy",75:"Cross-device link",100:"Device not a stream",101:"Bad font file fmt",102:"Invalid slot",103:"Invalid request code",104:"No anode",105:"Block device required",106:"Channel number out of range",107:"Level 3 halted",108:"Level 3 reset",109:"Link number out of range",110:"Protocol driver not attached",111:"No CSI structure available",112:"Level 2 halted",113:"Invalid exchange",114:"Invalid request descriptor",115:"Exchange full",116:"No data (for no delay io)",117:"Timer expired",118:"Out of streams resources",119:"Machine is not on the network",120:"Package not installed",121:"The object is remote",122:"Advertise error",123:"Srmount error",124:"Communication error on send",125:"Cross mount point (not really error)",126:"Given log. name not unique",127:"f.d. invalid for this operation",128:"Remote address changed",129:"Can   access a needed shared lib",130:"Accessing a corrupted shared lib",131:".lib section 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ae={EPERM:63,ENOENT:44,ESRCH:71,EINTR:27,EIO:29,ENXIO:60,E2BIG:1,ENOEXEC:45,EBADF:8,ECHILD:12,EAGAIN:6,EWOULDBLOCK:6,ENOMEM:48,EACCES:2,EFAULT:21,ENOTBLK:105,EBUSY:10,EEXIST:20,EXDEV:75,ENODEV:43,ENOTDIR:54,EISDIR:31,EINVAL:28,ENFILE:41,EMFILE:33,ENOTTY:59,ETXTBSY:74,EFBIG:22,ENOSPC:51,ESPIPE:70,EROFS:69,EMLINK:34,EPIPE:64,EDOM:18,ERANGE:68,ENOMSG:49,EIDRM:24,ECHRNG:106,EL2NSYNC:156,EL3HLT:107,EL3RST:108,ELNRNG:109,EUNATCH:110,ENOCSI:111,EL2HLT:112,EDEADLK:16,ENOLCK:46,EBADE:113,EBADR:114,EXFULL:115,ENOANO:104,EBADRQC:103,EBADSLT:102,EDEADLOCK:16,EBFONT:101,ENOSTR:100,ENODATA:116,ETIME:117,ENOSR:118,ENONET:119,ENOPKG:120,EREMOTE:121,ENOLINK:47,EADV:122,ESRMNT:123,ECOMM:124,EPROTO:65,EMULTIHOP:36,EDOTDOT:125,EBADMSG:9,ENOTUNIQ:126,EBADFD:127,EREMCHG:128,ELIBACC:129,ELIBBAD:130,ELIBSCN:131,ELIBMAX:132,ELIBEXEC:133,ENOSYS:52,ENOTEMPTY:55,ENAMETOOLONG:37,ELOOP:32,EOPNOTSUPP:138,EPFNOSUPPORT:139,ECONNRESET:15,ENOBUFS:42,EAFNOSUPPORT:5,EPROTOTYPE:67,ENOTSOCK:57,ENOPROTOOPT:50,ESHUTDOWN:140,ECONNREFUSED:14,EADDRINUSE:3,ECONNABORTED:13,ENETUNREACH:40,ENETDOWN:38,ETIMEDOUT:73,EHOSTDOWN:142,EHOSTUNREACH:23,EINPROGRESS:26,EALREADY:7,EDESTADDRREQ:17,EMSGSIZE:35,EPROTONOSUPPORT:66,ESOCKTNOSUPPORT:137,EADDRNOTAVAIL:4,ENETRESET:39,EISCONN:30,ENOTCONN:53,ETOOMANYREFS:141,EUSERS:136,EDQUOT:19,ESTALE:72,ENOTSUP:138,ENOMEDIUM:148,EILSEQ:25,EOVERFLOW:61,ECANCELED:11,ENOTRECOVERABLE:56,EOWNERDEAD:62,ESTRPIPE:135};var D={root:null,mounts:[],devices:{},streams:[],nextInode:1,nameTable:null,currentPath:"/",initialized:false,ignorePermissions:true,trackingDelegate:{},tracking:{openFlags:{READ:1,WRITE:2}},ErrnoError:null,genericErrors:{},filesystems:null,syncFSRequests:0,handleFSError:function(dO){if(!(dO instanceof D.ErrnoError)){throw dO+" : "+G()}return cU(dO.errno)},lookupPath:function(dZ,dO){dZ=cc.resolve(D.cwd(),dZ);dO=dO||{};if(!dZ){return{path:"",node:null}}var dR={follow_mount:true,recurse_count:0};for(var dX in dR){if(dO[dX]===undefined){dO[dX]=dR[dX]}}if(dO.recurse_count>8){throw new D.ErrnoError(32)}var dS=au.normalizeArray(dZ.split("/").filter(function(d0){return !!d0}),false);var dV=D.root;var dY="/";for(var dT=0;dT<dS.length;dT++){var dP=(dT===dS.length-1);if(dP&&dO.parent){break}dV=D.lookupNode(dV,dS[dT]);dY=au.join2(dY,dS[dT]);if(D.isMountpoint(dV)){if(!dP||(dP&&dO.follow_mount)){dV=dV.mounted.root}}if(!dP||dO.follow){var dU=0;while(D.isLink(dV.mode)){var dW=D.readlink(dY);dY=cc.resolve(au.dirname(dY),dW);var dQ=D.lookupPath(dY,{recurse_count:dO.recurse_count});dV=dQ.node;if(dU++>40){throw new D.ErrnoError(32)}}}}return{path:dY,node:dV}},getPath:function(dP){var dQ;while(true){if(D.isRoot(dP)){var dO=dP.mount.mountpoint;if(!dQ){return dO}return dO[dO.length-1]!=="/"?dO+"/"+dQ:dO+dQ}dQ=dQ?dP.name+"/"+dQ:dP.name;dP=dP.parent}},hashName:function(dR,dO){var dQ=0;for(var dP=0;dP<dO.length;dP++){dQ=((dQ<<5)-dQ+dO.charCodeAt(dP))|0}return((dR+dQ)>>>0)%D.nameTable.length},hashAddNode:function(dO){var dP=D.hashName(dO.parent.id,dO.name);dO.name_next=D.nameTable[dP];D.nameTable[dP]=dO},hashRemoveNode:function(dO){var dQ=D.hashName(dO.parent.id,dO.name);if(D.nameTable[dQ]===dO){D.nameTable[dQ]=dO.name_next}else{var dP=D.nameTable[dQ];while(dP){if(dP.name_next===dO){dP.name_next=dO.name_next;break}dP=dP.name_next}}},lookupNode:function(dQ,dP){var dO=D.mayLookup(dQ);if(dO){throw new D.ErrnoError(dO,dQ)}var dS=D.hashName(dQ.id,dP);for(var dR=D.nameTable[dS];dR;dR=dR.name_next){var dT=dR.name;if(dR.parent.id===dQ.id&&dT===dP){return dR}}return D.lookup(dQ,dP)},createNode:function(dQ,dP,dS,dO){var dR=new D.FSNode(dQ,dP,dS,dO);D.hashAddNode(dR);return dR},destroyNode:function(dO){D.hashRemoveNode(dO)},isRoot:function(dO){return dO===dO.parent},isMountpoint:function(dO){return !!dO.mounted},isFile:function(dO){return(dO&61440)===32768},isDir:function(dO){return(dO&61440)===16384},isLink:function(dO){return(dO&61440)===40960},isChrdev:function(dO){return(dO&61440)===8192},isBlkdev:function(dO){return(dO&61440)===24576},isFIFO:function(dO){return(dO&61440)===4096},isSocket:function(dO){return(dO&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(dP){var dO=D.flagModes[dP];if(typeof dO==="undefined"){throw new Error("Unknown file open mode: "+dP)}return dO},flagsToPermissionString:function(dO){var dP=["r","w","rw"][dO&3];if((dO&512)){dP+="w"}return dP},nodePermissions:function(dP,dO){if(D.ignorePermissions){return 0}if(dO.indexOf("r")!==-1&&!(dP.mode&292)){return 2}else{if(dO.indexOf("w")!==-1&&!(dP.mode&146)){return 2}else{if(dO.indexOf("x")!==-1&&!(dP.mode&73)){return 2}}}return 0},mayLookup:function(dP){var dO=D.nodePermissions(dP,"x");if(dO){return dO}if(!dP.node_ops.lookup){return 2}return 0},mayCreate:function(dP,dO){try{var dQ=D.lookupNode(dP,dO);return 20}catch(dR){}return D.nodePermissions(dP,"wx")},mayDelete:function(dR,dQ,dO){var dS;try{dS=D.lookupNode(dR,dQ)}catch(dT){return dT.errno}var dP=D.nodePermissions(dR,"wx");if(dP){return dP}if(dO){if(!D.isDir(dS.mode)){return 54}if(D.isRoot(dS)||D.getPath(dS)===D.cwd()){return 10}}else{if(D.isDir(dS.mode)){return 31}}return 0},mayOpen:function(dP,dO){if(!dP){return 44}if(D.isLink(dP.mode)){return 32}else{if(D.isDir(dP.mode)){if(D.flagsToPermissionString(dO)!=="r"||(dO&512)){return 31}}}return D.nodePermissions(dP,D.flagsToPermissionString(dO))},MAX_OPEN_FDS:4096,nextfd:function(dQ,dP){dQ=dQ||0;dP=dP||D.MAX_OPEN_FDS;for(var dO=dQ;dO<=dP;dO++){if(!D.streams[dO]){return dO}}throw new D.ErrnoError(33)},getStream:function(dO){return D.streams[dO]},createStream:function(dS,dQ,dP){if(!D.FSStream){D.FSStream=function(){};D.FSStream.prototype={object:{get:function(){return this.node},set:function(dU){this.node=dU}},isRead:{get:function(){return(this.flags&2097155)!==1}},isWrite:{get:function(){return(this.flags&2097155)!==0}},isAppend:{get:function(){return(this.flags&1024)}}}}var dT=new D.FSStream();for(var dR in dS){dT[dR]=dS[dR]}dS=dT;var dO=D.nextfd(dQ,dP);dS.fd=dO;D.streams[dO]=dS;return dS},closeStream:function(dO){D.streams[dO]=null},chrdev_stream_ops:{open:function(dP){var dO=D.getDevice(dP.node.rdev);dP.stream_ops=dO.stream_ops;if(dP.stream_ops.open){dP.stream_ops.open(dP)}},llseek:function(){throw new D.ErrnoError(70)}},major:function(dO){return((dO)>>8)},minor:function(dO){return((dO)&255)},makedev:function(dP,dO){return((dP)<<8|(dO))},registerDevice:function(dO,dP){D.devices[dO]={stream_ops:dP}},getDevice:function(dO){return D.devices[dO]},getMounts:function(dP){var dR=[];var dQ=[dP];while(dQ.length){var dO=dQ.pop();dR.push(dO);dQ.push.apply(dQ,dO.mounts)}return dR},syncfs:function(dS,dT){if(typeof(dS)==="function"){dT=dS;dS=false}D.syncFSRequests++;if(D.syncFSRequests>1){m("warning: "+D.syncFSRequests+" FS.syncfs operations in flight at once, probably just doing extra work")}var dQ=D.getMounts(D.root.mount);var dP=0;function dR(dU){bJ(D.syncFSRequests>0);D.syncFSRequests--;return dT(dU)}function dO(dU){if(dU){if(!dO.errored){dO.errored=true;return dR(dU)}return}if(++dP>=dQ.length){dR(null)}}dQ.forEach(function(dU){if(!dU.type.syncfs){return dO(null)}dU.type.syncfs(dU,dS,dO)})},mount:function(dS,dO,dW){if(typeof dS==="string"){throw dS}var dU=dW==="/";var dV=!dW;var dQ;if(dU&&D.root){throw new D.ErrnoError(10)}else{if(!dU&&!dV){var dP=D.lookupPath(dW,{follow_mount:false});dW=dP.path;dQ=dP.node;if(D.isMountpoint(dQ)){throw new D.ErrnoError(10)}if(!D.isDir(dQ.mode)){throw new D.ErrnoError(54)}}}var dT={type:dS,opts:dO,mountpoint:dW,mounts:[]};var dR=dS.mount(dT);dR.mount=dT;dT.root=dR;if(dU){D.root=dR}else{if(dQ){dQ.mounted=dT;if(dQ.mount){dQ.mount.mounts.push(dT)}}}return dR},unmount:function(dQ){var dT=D.lookupPath(dQ,{follow_mount:false});if(!D.isMountpoint(dT.node)){throw new D.ErrnoError(28)}var dS=dT.node;var dP=dS.mounted;var dR=D.getMounts(dP);Object.keys(D.nameTable).forEach(function(dW){var dV=D.nameTable[dW];while(dV){var dU=dV.name_next;if(dR.indexOf(dV.mount)!==-1){D.destroyNode(dV)}dV=dU}});dS.mounted=null;var dO=dS.mount.mounts.indexOf(dP);bJ(dO!==-1);dS.mount.mounts.splice(dO,1)},lookup:function(dP,dO){return dP.node_ops.lookup(dP,dO)},mknod:function(dT,dU,dO){var dS=D.lookupPath(dT,{parent:true});var dR=dS.node;var dQ=au.basename(dT);if(!dQ||dQ==="."||dQ===".."){throw new D.ErrnoError(28)}var dP=D.mayCreate(dR,dQ);if(dP){throw new D.ErrnoError(dP)}if(!dR.node_ops.mknod){throw new D.ErrnoError(63)}return dR.node_ops.mknod(dR,dQ,dU,dO)},create:function(dO,dP){dP=dP!==undefined?dP:438;dP&=4095;dP|=32768;return D.mknod(dO,dP,0)},mkdir:function(dO,dP){dP=dP!==undefined?dP:511;dP&=511|512;dP|=16384;return D.mknod(dO,dP,0)},mkdirTree:function(dR,dT){var dQ=dR.split("/");var dS="";for(var dO=0;dO<dQ.length;++dO){if(!dQ[dO]){continue}dS+="/"+dQ[dO];try{D.mkdir(dS,dT)}catch(dP){if(dP.errno!=20){throw dP}}}},mkdev:function(dP,dQ,dO){if(typeof(dO)==="undefined"){dO=dQ;dQ=438}dQ|=8192;return D.mknod(dP,dQ,dO)},symlink:function(dO,dT){if(!cc.resolve(dO)){throw new D.ErrnoError(44)}var dS=D.lookupPath(dT,{parent:true});var dR=dS.node;if(!dR){throw new D.ErrnoError(44)}var dQ=au.basename(dT);var dP=D.mayCreate(dR,dQ);if(dP){throw new D.ErrnoError(dP)}if(!dR.node_ops.symlink){throw new D.ErrnoError(63)}return dR.node_ops.symlink(dR,dQ,dO)},rename:function(dS,dV){var dO=au.dirname(dS);var d2=au.dirname(dV);var dU=au.basename(dS);var dW=au.basename(dV);var dT,dR,d1;try{dT=D.lookupPath(dS,{parent:true});dR=dT.node;dT=D.lookupPath(dV,{parent:true});d1=dT.node}catch(d0){throw new D.ErrnoError(10)}if(!dR||!d1){throw new D.ErrnoError(44)}if(dR.mount!==d1.mount){throw new D.ErrnoError(75)}var dY=D.lookupNode(dR,dU);var dP=cc.relative(dS,d2);if(dP.charAt(0)!=="."){throw new D.ErrnoError(28)}dP=cc.relative(dV,dO);if(dP.charAt(0)!=="."){throw new D.ErrnoError(55)}var dZ;try{dZ=D.lookupNode(d1,dW)}catch(d0){}if(dY===dZ){return}var dQ=D.isDir(dY.mode);var dX=D.mayDelete(dR,dU,dQ);if(dX){throw new D.ErrnoError(dX)}dX=dZ?D.mayDelete(d1,dW,dQ):D.mayCreate(d1,dW);if(dX){throw new D.ErrnoError(dX)}if(!dR.node_ops.rename){throw new D.ErrnoError(63)}if(D.isMountpoint(dY)||(dZ&&D.isMountpoint(dZ))){throw new D.ErrnoError(10)}if(d1!==dR){dX=D.nodePermissions(dR,"w");if(dX){throw new D.ErrnoError(dX)}}try{if(D.trackingDelegate.willMovePath){D.trackingDelegate.willMovePath(dS,dV)}}catch(d0){m("FS.trackingDelegate['willMovePath']('"+dS+"', '"+dV+"') threw an exception: "+d0.message)}D.hashRemoveNode(dY);try{dR.node_ops.rename(dY,d1,dW)}catch(d0){throw d0}finally{D.hashAddNode(dY)}try{if(D.trackingDelegate.onMovePath){D.trackingDelegate.onMovePath(dS,dV)}}catch(d0){m("FS.trackingDelegate['onMovePath']('"+dS+"', '"+dV+"') threw an exception: "+d0.message)}},rmdir:function(dU){var dT=D.lookupPath(dU,{parent:true});var dQ=dT.node;var dP=au.basename(dU);var dR=D.lookupNode(dQ,dP);var dO=D.mayDelete(dQ,dP,true);if(dO){throw new D.ErrnoError(dO)}if(!dQ.node_ops.rmdir){throw new D.ErrnoError(63)}if(D.isMountpoint(dR)){throw new D.ErrnoError(10)}try{if(D.trackingDelegate.willDeletePath){D.trackingDelegate.willDeletePath(dU)}}catch(dS){m("FS.trackingDelegate['willDeletePath']('"+dU+"') threw an exception: "+dS.message)}dQ.node_ops.rmdir(dQ,dP);D.destroyNode(dR);try{if(D.trackingDelegate.onDeletePath){D.trackingDelegate.onDeletePath(dU)}}catch(dS){m("FS.trackingDelegate['onDeletePath']('"+dU+"') threw an exception: "+dS.message)}},readdir:function(dQ){var dP=D.lookupPath(dQ,{follow:true});var dO=dP.node;if(!dO.node_ops.readdir){throw new D.ErrnoError(54)}return dO.node_ops.readdir(dO)},unlink:function(dU){var dT=D.lookupPath(dU,{parent:true});var dQ=dT.node;var dP=au.basename(dU);var dR=D.lookupNode(dQ,dP);var dO=D.mayDelete(dQ,dP,false);if(dO){throw new D.ErrnoError(dO)}if(!dQ.node_ops.unlink){throw new D.ErrnoError(63)}if(D.isMountpoint(dR)){throw new D.ErrnoError(10)}try{if(D.trackingDelegate.willDeletePath){D.trackingDelegate.willDeletePath(dU)}}catch(dS){m("FS.trackingDelegate['willDeletePath']('"+dU+"') threw an exception: "+dS.message)}dQ.node_ops.unlink(dQ,dP);D.destroyNode(dR);try{if(D.trackingDelegate.onDeletePath){D.trackingDelegate.onDeletePath(dU)}}catch(dS){m("FS.trackingDelegate['onDeletePath']('"+dU+"') threw an exception: "+dS.message)}},readlink:function(dQ){var dP=D.lookupPath(dQ);var dO=dP.node;if(!dO){throw new D.ErrnoError(44)}if(!dO.node_ops.readlink){throw new D.ErrnoError(28)}return cc.resolve(D.getPath(dO.parent),dO.node_ops.readlink(dO))},stat:function(dR,dO){var dQ=D.lookupPath(dR,{follow:!dO});var dP=dQ.node;if(!dP){throw new D.ErrnoError(44)}if(!dP.node_ops.getattr){throw new D.ErrnoError(63)}return dP.node_ops.getattr(dP)},lstat:function(dO){return D.stat(dO,true)},chmod:function(dR,dS,dO){var dP;if(typeof dR==="string"){var dQ=D.lookupPath(dR,{follow:!dO});dP=dQ.node}else{dP=dR}if(!dP.node_ops.setattr){throw new D.ErrnoError(63)}dP.node_ops.setattr(dP,{mode:(dS&4095)|(dP.mode&~4095),timestamp:Date.now()})},lchmod:function(dO,dP){D.chmod(dO,dP,true)},fchmod:function(dO,dQ){var dP=D.getStream(dO);if(!dP){throw new D.ErrnoError(8)}D.chmod(dP.node,dQ)},chown:function(dT,dP,dQ,dO){var dR;if(typeof dT==="string"){var dS=D.lookupPath(dT,{follow:!dO});dR=dS.node}else{dR=dT}if(!dR.node_ops.setattr){throw new D.ErrnoError(63)}dR.node_ops.setattr(dR,{timestamp:Date.now()})},lchown:function(dQ,dO,dP){D.chown(dQ,dO,dP,true)},fchown:function(dP,dO,dQ){var dR=D.getStream(dP);if(!dR){throw new D.ErrnoError(8)}D.chown(dR.node,dO,dQ)},truncate:function(dS,dO){if(dO<0){throw new D.ErrnoError(28)}var dQ;if(typeof dS==="string"){var dR=D.lookupPath(dS,{follow:true});dQ=dR.node}else{dQ=dS}if(!dQ.node_ops.setattr){throw new D.ErrnoError(63)}if(D.isDir(dQ.mode)){throw new D.ErrnoError(31)}if(!D.isFile(dQ.mode)){throw new D.ErrnoError(28)}var dP=D.nodePermissions(dQ,"w");if(dP){throw new D.ErrnoError(dP)}dQ.node_ops.setattr(dQ,{size:dO,timestamp:Date.now()})},ftruncate:function(dP,dO){var dQ=D.getStream(dP);if(!dQ){throw new D.ErrnoError(8)}if((dQ.flags&2097155)===0){throw new D.ErrnoError(28)}D.truncate(dQ.node,dO)},utime:function(dS,dQ,dO){var dR=D.lookupPath(dS,{follow:true});var dP=dR.node;dP.node_ops.setattr(dP,{timestamp:Math.max(dQ,dO)})},open:function(dZ,dS,dW,dR,dP){if(dZ===""){throw new D.ErrnoError(44)}dS=typeof dS==="string"?D.modeStringToFlags(dS):dS;dW=typeof dW==="undefined"?438:dW;if((dS&64)){dW=(dW&4095)|32768}else{dW=0}var dT;if(typeof dZ==="object"){dT=dZ}else{dZ=au.normalize(dZ);try{var dQ=D.lookupPath(dZ,{follow:!(dS&131072)});dT=dQ.node}catch(dX){}}var dU=false;if((dS&64)){if(dT){if((dS&128)){throw new D.ErrnoError(20)}}else{dT=D.mknod(dZ,dW,0);dU=true}}if(!dT){throw new D.ErrnoError(44)}if(D.isChrdev(dT.mode)){dS&=~512}if((dS&65536)&&!D.isDir(dT.mode)){throw new D.ErrnoError(54)}if(!dU){var dV=D.mayOpen(dT,dS);if(dV){throw new D.ErrnoError(dV)}}if((dS&512)){D.truncate(dT,0)}dS&=~(128|512|131072);var dY=D.createStream({node:dT,path:D.getPath(dT),flags:dS,seekable:true,position:0,stream_ops:dT.stream_ops,ungotten:[],error:false},dR,dP);if(dY.stream_ops.open){dY.stream_ops.open(dY)}if(bY.logReadFiles&&!(dS&1)){if(!D.readFiles){D.readFiles={}}if(!(dZ in D.readFiles)){D.readFiles[dZ]=1;m("FS.trackingDelegate error on read file: "+dZ)}}try{if(D.trackingDelegate.onOpenFile){var dO=0;if((dS&2097155)!==1){dO|=D.tracking.openFlags.READ}if((dS&2097155)!==0){dO|=D.tracking.openFlags.WRITE}D.trackingDelegate.onOpenFile(dZ,dO)}}catch(dX){m("FS.trackingDelegate['onOpenFile']('"+dZ+"', flags) threw an exception: "+dX.message)}return dY},close:function(dP){if(D.isClosed(dP)){throw new D.ErrnoError(8)}if(dP.getdents){dP.getdents=null}try{if(dP.stream_ops.close){dP.stream_ops.close(dP)}}catch(dO){throw dO}finally{D.closeStream(dP.fd)}dP.fd=null},isClosed:function(dO){return dO.fd===null},llseek:function(dQ,dP,dO){if(D.isClosed(dQ)){throw new D.ErrnoError(8)}if(!dQ.seekable||!dQ.stream_ops.llseek){throw new D.ErrnoError(70)}if(dO!=0&&dO!=1&&dO!=2){throw new D.ErrnoError(28)}dQ.position=dQ.stream_ops.llseek(dQ,dP,dO);dQ.ungotten=[];return dQ.position},read:function(dU,dP,dT,dQ,dO){if(dQ<0||dO<0){throw new D.ErrnoError(28)}if(D.isClosed(dU)){throw new D.ErrnoError(8)}if((dU.flags&2097155)===1){throw new D.ErrnoError(8)}if(D.isDir(dU.node.mode)){throw new D.ErrnoError(31)}if(!dU.stream_ops.read){throw new D.ErrnoError(28)}var dS=typeof dO!=="undefined";if(!dS){dO=dU.position}else{if(!dU.seekable){throw new D.ErrnoError(70)}}var dR=dU.stream_ops.read(dU,dP,dT,dQ,dO);if(!dS){dU.position+=dR}return dR},write:function(dW,dR,dQ,dO,dS,dP){if(dO<0||dS<0){throw new D.ErrnoError(28)}if(D.isClosed(dW)){throw new D.ErrnoError(8)}if((dW.flags&2097155)===0){throw new D.ErrnoError(8)}if(D.isDir(dW.node.mode)){throw new D.ErrnoError(31)}if(!dW.stream_ops.write){throw new D.ErrnoError(28)}if(dW.seekable&&dW.flags&1024){D.llseek(dW,0,2)}var dU=typeof dS!=="undefined";if(!dU){dS=dW.position}else{if(!dW.seekable){throw new D.ErrnoError(70)}}var dV=dW.stream_ops.write(dW,dR,dQ,dO,dS,dP);if(!dU){dW.position+=dV}try{if(dW.path&&D.trackingDelegate.onWriteToFile){D.trackingDelegate.onWriteToFile(dW.path)}}catch(dT){m("FS.trackingDelegate['onWriteToFile']('"+dW.path+"') threw an exception: "+dT.message)}return dV},allocate:function(dQ,dP,dO){if(D.isClosed(dQ)){throw new D.ErrnoError(8)}if(dP<0||dO<=0){throw new D.ErrnoError(28)}if((dQ.flags&2097155)===0){throw new D.ErrnoError(8)}if(!D.isFile(dQ.node.mode)&&!D.isDir(dQ.node.mode)){throw new D.ErrnoError(43)}if(!dQ.stream_ops.allocate){throw new D.ErrnoError(138)}dQ.stream_ops.allocate(dQ,dP,dO)},mmap:function(dT,dQ,dS,dO,dR,dP){if((dR&2)!==0&&(dP&2)===0&&(dT.flags&2097155)!==2){throw new D.ErrnoError(2)}if((dT.flags&2097155)===1){throw new D.ErrnoError(2)}if(!dT.stream_ops.mmap){throw new D.ErrnoError(43)}return dT.stream_ops.mmap(dT,dQ,dS,dO,dR,dP)},msync:function(dS,dP,dR,dQ,dO){if(!dS||!dS.stream_ops.msync){return 0}return dS.stream_ops.msync(dS,dP,dR,dQ,dO)},munmap:function(dO){return 0},ioctl:function(dQ,dP,dO){if(!dQ.stream_ops.ioctl){throw new D.ErrnoError(59)}return dQ.stream_ops.ioctl(dQ,dP,dO)},readFile:function(dT,dS){dS=dS||{};dS.flags=dS.flags||"r";dS.encoding=dS.encoding||"binary";if(dS.encoding!=="utf8"&&dS.encoding!=="binary"){throw new Error('Invalid encoding type "'+dS.encoding+'"')}var dP;var dU=D.open(dT,dS.flags);var dQ=D.stat(dT);var dR=dQ.size;var dO=new Uint8Array(dR);D.read(dU,dO,0,dR,0);if(dS.encoding==="utf8"){dP=am(dO,0)}else{if(dS.encoding==="binary"){dP=dO}}D.close(dU);return dP},writeFile:function(dS,dR,dQ){dQ=dQ||{};dQ.flags=dQ.flags||"w";var dT=D.open(dS,dQ.flags,dQ.mode);if(typeof dR==="string"){var dP=new Uint8Array(S(dR)+1);var dO=r(dR,dP,0,dP.length);D.write(dT,dP,0,dO,undefined,dQ.canOwn)}else{if(ArrayBuffer.isView(dR)){D.write(dT,dR,0,dR.byteLength,undefined,dQ.canOwn)}else{throw new Error("Unsupported data type")}}D.close(dT)},cwd:function(){return D.currentPath},chdir:function(dQ){var dP=D.lookupPath(dQ,{follow:true});if(dP.node===null){throw new D.ErrnoError(44)}if(!D.isDir(dP.node.mode)){throw new D.ErrnoError(54)}var dO=D.nodePermissions(dP.node,"x");if(dO){throw new D.ErrnoError(dO)}D.currentPath=dP.path},createDefaultDirectories:function(){D.mkdir("/tmp");D.mkdir("/home");D.mkdir("/home/web_user")},createDefaultDevices:function(){D.mkdir("/dev");D.registerDevice(D.makedev(1,3),{read:function(){return 0},write:function(dV,dS,dU,dT,dW){return dT}});D.mkdev("/dev/null",D.makedev(1,3));ad.register(D.makedev(5,0),ad.default_tty_ops);ad.register(D.makedev(6,0),ad.default_tty1_ops);D.mkdev("/dev/tty",D.makedev(5,0));D.mkdev("/dev/tty1",D.makedev(6,0));var dP;if(typeof crypto==="object"&&typeof crypto.getRandomValues==="function"){var dQ=new Uint8Array(1);dP=function(){crypto.getRandomValues(dQ);return dQ[0]}}else{if(bK){try{var dO=require("crypto");dP=function(){return dO.randomBytes(1)[0]}}catch(dR){}}else{}}if(!dP){dP=function(){c3("no cryptographic support found for random_device. consider polyfilling it if you want to use something insecure like Math.random(), e.g. put this in a --pre-js: var crypto = { getRandomValues: function(array) { for (var i = 0; i < array.length; i++) array[i] = (Math.random()*256)|0 } };")}}D.createDevice("/dev","random",dP);D.createDevice("/dev","urandom",dP);D.mkdir("/dev/shm");D.mkdir("/dev/shm/tmp")},createSpecialDirectories:function(){D.mkdir("/proc");D.mkdir("/proc/self");D.mkdir("/proc/self/fd");D.mount({mount:function(){var dO=D.createNode("/proc/self","fd",16384|511,73);dO.node_ops={lookup:function(dS,dQ){var dR=+dQ;var dT=D.getStream(dR);if(!dT){throw new D.ErrnoError(8)}var 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