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November 25, 2011 03:27
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From 03df19d1564fddb4209f33a93d751aee7667f3d7 Mon Sep 17 00:00:00 2001 | |
From: Igor Zinkovsky <igorzi@microsoft.com> | |
Date: Thu, 24 Nov 2011 12:36:46 -0800 | |
Subject: [PATCH] enable long paths on windows | |
--- | |
lib/fs.js | 91 ++++++++++++++++++++----------------- | |
lib/path.js | 21 +++++++++ | |
src/node_file.cc | 18 +++++++- | |
test/simple/test-fs-long-path.js | 49 ++++++++++++++++++++ | |
test/simple/test-path-makelong.js | 38 +++++++++++++++ | |
5 files changed, 174 insertions(+), 43 deletions(-) | |
create mode 100644 test/simple/test-fs-long-path.js | |
create mode 100644 test/simple/test-path-makelong.js | |
diff --git a/lib/fs.js b/lib/fs.js | |
index 4ef2398..dabc351 100644 | |
--- a/lib/fs.js | |
+++ b/lib/fs.js | |
@@ -26,6 +26,7 @@ | |
// var mode = 438; /* mode=0666 */ | |
var util = require('util'); | |
+var pathModule = require('path'); | |
var binding = process.binding('fs'); | |
var constants = process.binding('constants'); | |
@@ -220,12 +221,13 @@ fs.open = function(path, flags, mode, callback) { | |
mode = modeNum(mode, 438 /*=0666*/); | |
- binding.open(path, stringToFlags(flags), mode, callback); | |
+ binding.open(pathModule._makeLong(path), stringToFlags(flags), mode, | |
+ callback); | |
}; | |
fs.openSync = function(path, flags, mode) { | |
mode = modeNum(mode, 438 /*=0666*/); | |
- return binding.open(path, stringToFlags(flags), mode); | |
+ return binding.open(pathModule._makeLong(path), stringToFlags(flags), mode); | |
}; | |
fs.read = function(fd, buffer, offset, length, position, callback) { | |
@@ -320,11 +322,13 @@ fs.writeSync = function(fd, buffer, offset, length, position) { | |
}; | |
fs.rename = function(oldPath, newPath, callback) { | |
- binding.rename(oldPath, newPath, callback || noop); | |
+ binding.rename(pathModule._makeLong(oldPath), pathModule._makeLong(newPath), | |
+ callback || noop); | |
}; | |
fs.renameSync = function(oldPath, newPath) { | |
- return binding.rename(oldPath, newPath); | |
+ return binding.rename(pathModule._makeLong(oldPath), | |
+ pathModule._makeLong(newPath)); | |
}; | |
fs.truncate = function(fd, len, callback) { | |
@@ -336,11 +340,11 @@ fs.truncateSync = function(fd, len) { | |
}; | |
fs.rmdir = function(path, callback) { | |
- binding.rmdir(path, callback || noop); | |
+ binding.rmdir(pathModule._makeLong(path), callback || noop); | |
}; | |
fs.rmdirSync = function(path) { | |
- return binding.rmdir(path); | |
+ return binding.rmdir(pathModule._makeLong(path)); | |
}; | |
fs.fdatasync = function(fd, callback) { | |
@@ -361,11 +365,13 @@ fs.fsyncSync = function(fd) { | |
fs.mkdir = function(path, mode, callback) { | |
if (typeof mode === 'function') callback = mode; | |
- binding.mkdir(path, modeNum(mode, 511 /*=0777*/), callback || noop); | |
+ binding.mkdir(pathModule._makeLong(path), modeNum(mode, 511 /*=0777*/), | |
+ callback || noop); | |
}; | |
fs.mkdirSync = function(path, mode) { | |
- return binding.mkdir(path, modeNum(mode, 511 /*=0777*/)); | |
+ return binding.mkdir(pathModule._makeLong(path), | |
+ modeNum(mode, 511 /*=0777*/)); | |
}; | |
fs.sendfile = function(outFd, inFd, inOffset, length, callback) { | |
@@ -377,11 +383,11 @@ fs.sendfileSync = function(outFd, inFd, inOffset, length) { | |
}; | |
fs.readdir = function(path, callback) { | |
- binding.readdir(path, callback || noop); | |
+ binding.readdir(pathModule._makeLong(path), callback || noop); | |
}; | |
fs.readdirSync = function(path) { | |
- return binding.readdir(path); | |
+ return binding.readdir(pathModule._makeLong(path)); | |
}; | |
fs.fstat = function(fd, callback) { | |
@@ -389,11 +395,11 @@ fs.fstat = function(fd, callback) { | |
}; | |
fs.lstat = function(path, callback) { | |
- binding.lstat(path, callback || noop); | |
+ binding.lstat(pathModule._makeLong(path), callback || noop); | |
}; | |
fs.stat = function(path, callback) { | |
- binding.stat(path, callback || noop); | |
+ binding.stat(pathModule._makeLong(path), callback || noop); | |
}; | |
fs.fstatSync = function(fd) { | |
@@ -401,46 +407,50 @@ fs.fstatSync = function(fd) { | |
}; | |
fs.lstatSync = function(path) { | |
- return binding.lstat(path); | |
+ return binding.lstat(pathModule._makeLong(path)); | |
}; | |
fs.statSync = function(path) { | |
- return binding.stat(path); | |
+ return binding.stat(pathModule._makeLong(path)); | |
}; | |
fs.readlink = function(path, callback) { | |
- binding.readlink(path, callback || noop); | |
+ binding.readlink(pathModule._makeLong(path), callback || noop); | |
}; | |
fs.readlinkSync = function(path) { | |
- return binding.readlink(path); | |
+ return binding.readlink(pathModule._makeLong(path)); | |
}; | |
fs.symlink = function(destination, path, mode_, callback) { | |
var mode = (typeof(mode_) == 'string' ? mode_ : null); | |
var callback_ = arguments[arguments.length - 1]; | |
callback = (typeof(callback_) == 'function' ? callback_ : null); | |
- binding.symlink(destination, path, mode, callback); | |
+ binding.symlink(pathModule._makeLong(destination), | |
+ pathModule._makeLong(path), mode, callback); | |
}; | |
fs.symlinkSync = function(destination, path, mode) { | |
- return binding.symlink(destination, path, mode); | |
+ return binding.symlink(pathModule._makeLong(destination), | |
+ pathModule._makeLong(path), mode); | |
}; | |
fs.link = function(srcpath, dstpath, callback) { | |
- binding.link(srcpath, dstpath, callback || noop); | |
+ binding.link(pathModule._makeLong(srcpath), pathModule._makeLong(dstpath), | |
+ callback || noop); | |
}; | |
fs.linkSync = function(srcpath, dstpath) { | |
- return binding.link(srcpath, dstpath); | |
+ return binding.link(pathModule._makeLong(srcpath), | |
+ pathModule._makeLong(dstpath)); | |
}; | |
fs.unlink = function(path, callback) { | |
- binding.unlink(path, callback || noop); | |
+ binding.unlink(pathModule._makeLong(path), callback || noop); | |
}; | |
fs.unlinkSync = function(path) { | |
- return binding.unlink(path); | |
+ return binding.unlink(pathModule._makeLong(path)); | |
}; | |
fs.fchmod = function(fd, mode, callback) { | |
@@ -492,11 +502,11 @@ if (constants.hasOwnProperty('O_SYMLINK')) { | |
fs.chmod = function(path, mode, callback) { | |
- binding.chmod(path, modeNum(mode), callback || noop); | |
+ binding.chmod(pathModule._makeLong(path), modeNum(mode), callback || noop); | |
}; | |
fs.chmodSync = function(path, mode) { | |
- return binding.chmod(path, modeNum(mode)); | |
+ return binding.chmod(pathModule._makeLong(path), modeNum(mode)); | |
}; | |
if (constants.hasOwnProperty('O_SYMLINK')) { | |
@@ -526,11 +536,11 @@ fs.fchownSync = function(fd, uid, gid) { | |
}; | |
fs.chown = function(path, uid, gid, callback) { | |
- binding.chown(path, uid, gid, callback || noop); | |
+ binding.chown(pathModule._makeLong(path), uid, gid, callback || noop); | |
}; | |
fs.chownSync = function(path, uid, gid) { | |
- return binding.chown(path, uid, gid); | |
+ return binding.chown(pathModule._makeLong(path), uid, gid); | |
}; | |
// converts Date or number to a fractional UNIX timestamp | |
@@ -551,13 +561,13 @@ fs._toUnixTimestamp = toUnixTimestamp; | |
fs.utimes = function(path, atime, mtime, callback) { | |
atime = toUnixTimestamp(atime); | |
mtime = toUnixTimestamp(mtime); | |
- binding.utimes(path, atime, mtime, callback || noop); | |
+ binding.utimes(pathModule._makeLong(path), atime, mtime, callback || noop); | |
}; | |
fs.utimesSync = function(path, atime, mtime) { | |
atime = toUnixTimestamp(atime); | |
mtime = toUnixTimestamp(mtime); | |
- binding.utimes(path, atime, mtime); | |
+ binding.utimes(pathModule._makeLong(path), atime, mtime); | |
}; | |
fs.futimes = function(fd, atime, mtime, callback) { | |
@@ -646,7 +656,7 @@ function FSWatcher() { | |
util.inherits(FSWatcher, EventEmitter); | |
FSWatcher.prototype.start = function(filename, persistent) { | |
- var r = this._handle.start(filename, persistent); | |
+ var r = this._handle.start(pathModule._makeLong(filename), persistent); | |
if (r) { | |
this._handle.close(); | |
@@ -703,7 +713,7 @@ util.inherits(StatWatcher, EventEmitter); | |
StatWatcher.prototype.start = function(filename, persistent, interval) { | |
- this._handle.start(filename, persistent, interval); | |
+ this._handle.start(pathModule._makeLong(filename), persistent, interval); | |
}; | |
@@ -766,8 +776,7 @@ fs.unwatchFile = function(filename) { | |
// Not using realpath(2) because it's bad. | |
// See: http://insanecoding.blogspot.com/2007/11/pathmax-simply-isnt.html | |
-var path = require('path'), | |
- normalize = path.normalize, | |
+var normalize = pathModule.normalize, | |
isWindows = process.platform === 'win32'; | |
if (isWindows) { | |
@@ -776,7 +785,7 @@ if (isWindows) { | |
// windows version | |
fs.realpathSync = function realpathSync(p, cache) { | |
- p = path.resolve(p); | |
+ p = pathModule.resolve(p); | |
if (cache && Object.prototype.hasOwnProperty.call(cache, p)) { | |
return cache[p]; | |
} | |
@@ -791,7 +800,7 @@ if (isWindows) { | |
cb = cache; | |
cache = null; | |
} | |
- p = path.resolve(p); | |
+ p = pathModule.resolve(p); | |
if (cache && Object.prototype.hasOwnProperty.call(cache, p)) { | |
return cb(null, cache[p]); | |
} | |
@@ -812,7 +821,7 @@ if (isWindows) { | |
// posix version | |
fs.realpathSync = function realpathSync(p, cache) { | |
// make p is absolute | |
- p = path.resolve(p); | |
+ p = pathModule.resolve(p); | |
if (cache && Object.prototype.hasOwnProperty.call(cache, p)) { | |
return cache[p]; | |
@@ -865,14 +874,14 @@ if (isWindows) { | |
if (!seenLinks[id]) { | |
fs.statSync(base); | |
seenLinks[id] = fs.readlinkSync(base); | |
- resolvedLink = path.resolve(previous, seenLinks[id]); | |
+ resolvedLink = pathModule.resolve(previous, seenLinks[id]); | |
// track this, if given a cache. | |
if (cache) cache[base] = resolvedLink; | |
} | |
} | |
// resolve the link, then start over | |
- p = path.resolve(resolvedLink, p.slice(pos)); | |
+ p = pathModule.resolve(resolvedLink, p.slice(pos)); | |
pos = 0; | |
previous = base = current = ''; | |
} | |
@@ -891,7 +900,7 @@ if (isWindows) { | |
} | |
// make p is absolute | |
- p = path.resolve(p); | |
+ p = pathModule.resolve(p); | |
if (cache && Object.prototype.hasOwnProperty.call(cache, p)) { | |
return cb(null, cache[p]); | |
@@ -969,7 +978,7 @@ if (isWindows) { | |
function gotTarget(err, target, base) { | |
if (err) return cb(err); | |
- var resolvedLink = path.resolve(previous, target); | |
+ var resolvedLink = pathModule.resolve(previous, target); | |
if (cache) cache[base] = resolvedLink; | |
gotResolvedLink(resolvedLink); | |
} | |
@@ -977,7 +986,7 @@ if (isWindows) { | |
function gotResolvedLink(resolvedLink) { | |
// resolve the link, then start over | |
- p = path.resolve(resolvedLink, p.slice(pos)); | |
+ p = pathModule.resolve(resolvedLink, p.slice(pos)); | |
pos = 0; | |
previous = base = current = ''; | |
@@ -1425,4 +1434,4 @@ SyncWriteStream.prototype.destroy = function() { | |
return true; | |
}; | |
-SyncWriteStream.prototype.destroySoon = SyncWriteStream.prototype.destroy; | |
+SyncWriteStream.prototype.destroySoon = SyncWriteStream.prototype.destroy; | |
\ No newline at end of file | |
diff --git a/lib/path.js b/lib/path.js | |
index 162a15f..03d0807 100644 | |
--- a/lib/path.js | |
+++ b/lib/path.js | |
@@ -417,3 +417,24 @@ exports.existsSync = function(path) { | |
return false; | |
} | |
}; | |
+ | |
+ | |
+exports._makeLong = isWindows ? | |
+ function(path) { | |
+ var resolvedPath = exports.resolve(path); | |
+ | |
+ if (resolvedPath.match(/^[a-zA-Z]\:\\/)) { | |
+ // path is local filesystem path, which needs to be converted | |
+ // to long UNC path. | |
+ return '\\\\?\\' + resolvedPath; | |
+ } else if (resolvedPath.match(/^\\\\[^?.]/)) { | |
+ // path is network UNC path, which needs to be converted | |
+ // to long UNC path. | |
+ return '\\\\?\\UNC\\' + resolvedPath.substring(2); | |
+ } | |
+ | |
+ return path; | |
+ } : | |
+ function(path) { | |
+ return path; | |
+ }; | |
diff --git a/src/node_file.cc b/src/node_file.cc | |
index c6dcdda..411f86c 100644 | |
--- a/src/node_file.cc | |
+++ b/src/node_file.cc | |
@@ -252,9 +252,23 @@ Local<Value> FSError(int errorno, | |
Local<Value> e; | |
+ Local<String> path_str; | |
+ | |
if (path) { | |
+#ifdef _WIN32 | |
+ if (memcmp(path, "\\\\?\\UNC\\", 8) == 0) { | |
+ path_str = String::Concat(String::New("\\\\"), String::New(path + 8)); | |
+ } else if (memcmp(path, "\\\\?\\", 4) == 0) { | |
+ path_str = String::New(path + 4); | |
+ } else { | |
+ path_str = String::New(path); | |
+ } | |
+#else | |
+ path_str = String::New(path); | |
+#endif | |
+ | |
Local<String> cons3 = String::Concat(cons2, String::NewSymbol(" '")); | |
- Local<String> cons4 = String::Concat(cons3, String::New(path)); | |
+ Local<String> cons4 = String::Concat(cons3, path_str); | |
Local<String> cons5 = String::Concat(cons4, String::NewSymbol("'")); | |
e = Exception::Error(cons5); | |
} else { | |
@@ -266,7 +280,7 @@ Local<Value> FSError(int errorno, | |
// TODO errno should probably go | |
obj->Set(errno_symbol, Integer::New(errorno)); | |
obj->Set(code_symbol, estring); | |
- if (path) obj->Set(errpath_symbol, String::New(path)); | |
+ if (path) obj->Set(errpath_symbol, path_str); | |
if (syscall) obj->Set(syscall_symbol, String::NewSymbol(syscall)); | |
return e; | |
} | |
diff --git a/test/simple/test-fs-long-path.js b/test/simple/test-fs-long-path.js | |
new file mode 100644 | |
index 0000000..dfd6880 | |
--- /dev/null | |
+++ b/test/simple/test-fs-long-path.js | |
@@ -0,0 +1,49 @@ | |
+// Copyright Joyent, Inc. and other Node contributors. | |
+// | |
+// Permission is hereby granted, free of charge, to any person obtaining a | |
+// copy of this software and associated documentation files (the | |
+// "Software"), to deal in the Software without restriction, including | |
+// without limitation the rights to use, copy, modify, merge, publish, | |
+// distribute, sublicense, and/or sell copies of the Software, and to permit | |
+// persons to whom the Software is furnished to do so, subject to the | |
+// following conditions: | |
+// | |
+// The above copyright notice and this permission notice shall be included | |
+// in all copies or substantial portions of the Software. | |
+// | |
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS | |
+// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF | |
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN | |
+// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, | |
+// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR | |
+// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE | |
+// USE OR OTHER DEALINGS IN THE SOFTWARE. | |
+ | |
+var fs = require('fs'); | |
+var path = require('path'); | |
+var assert = require('assert'); | |
+ | |
+var successes = 0; | |
+ | |
+// make a path that will be at least 260 chars long. | |
+var cwd = process.cwd(); | |
+var fileNameLen = Math.max(260 - cwd.length - 1, 1); | |
+var fileName = new Array(fileNameLen + 1).join('x'); | |
+var fullPath = path.resolve(fileName); | |
+ | |
+console.log({ filenameLength: fileName.length, | |
+ fullPathLength: fullPath.length }); | |
+ | |
+fs.writeFile(fullPath, 'ok', function(err) { | |
+ if (err) throw err; | |
+ successes++; | |
+ | |
+ fs.stat(fullPath, function(err, stats) { | |
+ if (err) throw err; | |
+ successes++; | |
+ }); | |
+}); | |
+ | |
+process.on('exit', function() { | |
+ assert.equal(2, successes); | |
+}); | |
diff --git a/test/simple/test-path-makelong.js b/test/simple/test-path-makelong.js | |
new file mode 100644 | |
index 0000000..885eb12 | |
--- /dev/null | |
+++ b/test/simple/test-path-makelong.js | |
@@ -0,0 +1,38 @@ | |
+// Copyright Joyent, Inc. and other Node contributors. | |
+// | |
+// Permission is hereby granted, free of charge, to any person obtaining a | |
+// copy of this software and associated documentation files (the | |
+// "Software"), to deal in the Software without restriction, including | |
+// without limitation the rights to use, copy, modify, merge, publish, | |
+// distribute, sublicense, and/or sell copies of the Software, and to permit | |
+// persons to whom the Software is furnished to do so, subject to the | |
+// following conditions: | |
+// | |
+// The above copyright notice and this permission notice shall be included | |
+// in all copies or substantial portions of the Software. | |
+// | |
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS | |
+// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF | |
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN | |
+// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, | |
+// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR | |
+// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE | |
+// USE OR OTHER DEALINGS IN THE SOFTWARE. | |
+ | |
+if (process.platform === 'win32') { | |
+ var assert = require('assert'); | |
+ var path = require('path'); | |
+ var common = require('../common'); | |
+ | |
+ var file = path.join(common.fixturesDir, 'a.js'); | |
+ var resolvedFile = path.resolve(file); | |
+ var networkFile = '\\\\someserver\\someshare\\somefile'; | |
+ | |
+ assert.equal('\\\\?\\' + resolvedFile, path._makeLong(file)); | |
+ assert.equal('\\\\?\\' + resolvedFile, path._makeLong('\\\\?\\' + file)); | |
+ assert.equal('\\\\?\\UNC\\someserver\\someshare\\somefile', | |
+ path._makeLong('\\\\someserver\\someshare\\somefile')); | |
+ assert.equal('\\\\?\\UNC\\someserver\\someshare\\somefile', | |
+ path._makeLong('\\\\?\\UNC\\someserver\\someshare\\somefile')); | |
+ assert.equal('\\\\.\\pipe\\somepipe', path._makeLong('\\\\.\\pipe\\somepipe')); | |
+} | |
-- | |
1.7.4.msysgit.0 |
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