From a83ccf6154b2dbb1e2f7fb92e4fd8b6e2be79610 Mon Sep 17 00:00:00 2001
From: Barry Tulchinsky <barry.tulchinsky@gmail.com>
Date: Fri, 20 Dec 2013 04:36:25 -0500
Subject: [PATCH] implementation of getxattr

---
 src/fs.js | 35 ++++++++++++++++++++++++++++++++---
 1 file changed, 32 insertions(+), 3 deletions(-)

diff --git a/src/fs.js b/src/fs.js
index 6bccd04..2476861 100644
--- a/src/fs.js
+++ b/src/fs.js
@@ -1124,10 +1124,13 @@ define(function(require) {
     path = normalize(path);
 
     function set_xattr (error, node) {
-      if (flag == XATTR_CREATE && node[name]) {
+      if (error) {
+        callback (error);
+      }
+      else if (flag === XATTR_CREATE && node[name]) {
         callback(new EExists('attribute already exists'));
       }
-      else if (flag == XATTR_REPLACE && !node[name]) {
+      else if (flag === XATTR_REPLACE && !node[name]) {
         callback(new ENoAttr('attribute does not exist'));
       }
       else {
@@ -1145,7 +1148,7 @@ define(function(require) {
     else if (!value) {
       callback(new EInvalid('value cannot be empty'));
     }
-    else if (flag && flag != XATTR_CREATE && flag != XATTR_REPLACE) {
+    else if (!!flag && flag !== XATTR_CREATE && flag !== XATTR_REPLACE) {
       callback(new EInvalid('invalid flag, must be null, XATTR_CREATE or XATTR_REPLACE'));
     }
     else {
@@ -1153,6 +1156,32 @@ define(function(require) {
     }
   }
 
+  function getxattr_file (context, path, name, callback) {
+    path = normalize(path);
+
+    function get_xattr(error, node) {
+      if (error) {
+        callback (error);
+      }
+      else if (!node.xattr[name]) {
+        callback(new ENoAttr('attribute does not exist'));
+      }
+      else {
+        callback(null, node.xattr[name]);
+      }
+    }
+
+    if (typeof name != 'string') {
+      callback(new EInvalid('attribute name must be a string'));
+    }
+    else if (!name) {
+      callback(new EInvalid('attribute name cannot be an empty string'));
+    }
+    else {
+      find_node(context, path, get_xattr);
+    }
+  }
+
   function validate_flags(flags) {
     if(!_(O_FLAGS).has(flags)) {
       return null;