From 47fcf785ac1468744da55469bc78fbfd8628d9fb Mon Sep 17 00:00:00 2001
From: Brandon Beacher <brandon.beacher@gmail.com>
Date: Tue, 3 Nov 2009 13:13:38 -0500
Subject: [PATCH] Added process.chdir()

---
 src/node.cc                | 19 +++++++++++++++++++
 test/mjsunit/test-chdir.js |  9 +++++++++
 2 files changed, 28 insertions(+)
 create mode 100644 test/mjsunit/test-chdir.js

diff --git a/src/node.cc b/src/node.cc
index 0cf2d2fd7d..ef55ef1c53 100644
--- a/src/node.cc
+++ b/src/node.cc
@@ -231,6 +231,24 @@ Handle<Value> ExecuteString(v8::Handle<v8::String> source,
   return scope.Close(result);
 }
 
+static Handle<Value> Chdir(const Arguments& args) {
+  HandleScope scope;
+  
+  if (args.Length() != 1 || !args[0]->IsString()) {
+    return ThrowException(Exception::Error(String::New("Bad argument.")));
+  }
+  
+  String::Utf8Value path(args[0]->ToString());
+  
+  int r = chdir(*path);
+  
+  if (r != 0) {
+    return ThrowException(Exception::Error(String::New(strerror(errno))));
+  }
+
+  return Undefined();
+}
+
 static Handle<Value> Cwd(const Arguments& args) {
   HandleScope scope;
 
@@ -607,6 +625,7 @@ static Local<Object> Load(int argc, char *argv[]) {
   // define various internal methods
   NODE_SET_METHOD(process, "compile", Compile);
   NODE_SET_METHOD(process, "reallyExit", Exit);
+  NODE_SET_METHOD(process, "chdir", Chdir);
   NODE_SET_METHOD(process, "cwd", Cwd);
   NODE_SET_METHOD(process, "dlopen", DLOpen);
   NODE_SET_METHOD(process, "kill", Kill);
diff --git a/test/mjsunit/test-chdir.js b/test/mjsunit/test-chdir.js
new file mode 100644
index 0000000000..11a32c638f
--- /dev/null
+++ b/test/mjsunit/test-chdir.js
@@ -0,0 +1,9 @@
+process.mixin(require("./common"));
+
+var dirname = path.dirname(__filename);
+
+assertTrue(process.cwd() !== dirname);
+
+process.chdir(dirname);
+
+assertTrue(process.cwd() === dirname);