fs: throw errors from fs.renameSync in JS

PR-URL: #18348 Refs: #18106 Reviewed-By: Michaël Zasso <targos@protonmail.com> Reviewed-By: James M Snell <jasnell@gmail.com>
nodejs · Feb 1, 2018 · 5583981 · 5583981
1 parent 09da11e
commit 5583981
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Showing 2 changed files with 15 additions and 7 deletions.
diff --git a/lib/fs.js b/lib/fs.js
@@ -924,8 +924,12 @@ fs.renameSync = function(oldPath, newPath) {
   nullCheck(newPath);
   validatePath(oldPath, 'oldPath');
   validatePath(newPath, 'newPath');
-  return binding.rename(pathModule.toNamespacedPath(oldPath),
-                        pathModule.toNamespacedPath(newPath));
+  const ctx = { path: oldPath, dest: newPath };
+  binding.rename(pathModule.toNamespacedPath(oldPath),
+                 pathModule.toNamespacedPath(newPath), undefined, ctx);
+  if (ctx.errno !== undefined) {
+    throw new errors.uvException(ctx);
+  }
 };
 
 fs.truncate = function(path, len, callback) {

diff --git a/src/node_file.cc b/src/node_file.cc
@@ -688,19 +688,23 @@ static void ReadLink(const FunctionCallbackInfo<Value>& args) {
 static void Rename(const FunctionCallbackInfo<Value>& args) {
   Environment* env = Environment::GetCurrent(args);
 
-  CHECK_GE(args.Length(), 2);
+  int argc = args.Length();
+  CHECK_GE(argc, 3);
 
   BufferValue old_path(env->isolate(), args[0]);
   CHECK_NE(*old_path, nullptr);
   BufferValue new_path(env->isolate(), args[1]);
   CHECK_NE(*new_path, nullptr);
 
-  if (args[2]->IsObject()) {
-    CHECK_EQ(args.Length(), 3);
+  if (args[2]->IsObject()) {  // rename(old_path, new_path, req)
+    CHECK_EQ(argc, 3);
     AsyncDestCall(env, args, "rename", *new_path, new_path.length(),
                   UTF8, AfterNoArgs, uv_fs_rename, *old_path, *new_path);
-  } else {
-    SYNC_DEST_CALL(rename, *old_path, *new_path, *old_path, *new_path)
+  } else {  // rename(old_path, new_path, undefined, ctx)
+    CHECK_EQ(argc, 4);
+    fs_req_wrap req_wrap;
+    SyncCall(env, args[3], &req_wrap, "rename",
+             uv_fs_rename, *old_path, *new_path);
   }
 }