[NaCl SDK] nacl_io html5fs: Malformed file paths set errno to ENOENT.

native_client_sdk/src/libraries/nacl_io/mount_html5fs.cc

 /* Copyright (c) 2012 The Chromium Authors. All rights reserved.
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "nacl_io/mount_html5fs.h"
 
 #include <errno.h>
 #include <ppapi/c/pp_completion_callback.h>
 #include <ppapi/c/pp_errors.h>
@@ skipping 16 matching lines @@
 Error MountHtml5Fs::Open(const Path& path, int mode, MountNode** out_node) {
   *out_node = NULL;
 
   Error error = BlockUntilFilesystemOpen();
   if (error)
     return error;
 
   PP_Resource fileref = ppapi()->GetFileRefInterface()
       ->Create(filesystem_resource_, path.Join().c_str());
   if (!fileref)
-    return ENOSYS;
+    return ENOENT;
 
   MountNodeHtml5Fs* node = new MountNodeHtml5Fs(this, fileref);
   error = node->Init(mode);
   if (error) {
     node->Release();
     return error;
   }
 
   *out_node = node;
   return 0;
 }
 
 Error MountHtml5Fs::Unlink(const Path& path) { return Remove(path); }
 
 Error MountHtml5Fs::Mkdir(const Path& path, int permissions) {
   Error error = BlockUntilFilesystemOpen();
   if (error)
     return error;
 
   ScopedResource fileref_resource(
       ppapi(),
       ppapi()->GetFileRefInterface()->Create(filesystem_resource_,
                                              path.Join().c_str()));
   if (!fileref_resource.pp_resource())
-    return EIO;
+    return ENOENT;
 
   int32_t result = ppapi()->GetFileRefInterface()->MakeDirectory(
       fileref_resource.pp_resource(), PP_FALSE, PP_BlockUntilComplete());
   if (result != PP_OK)
     return PPErrorToErrno(result);
 
   return 0;
 }
 
 Error MountHtml5Fs::Rmdir(const Path& path) { return Remove(path); }
 
 Error MountHtml5Fs::Remove(const Path& path) {
   Error error = BlockUntilFilesystemOpen();
   if (error)
     return error;
 
   ScopedResource fileref_resource(
       ppapi(),
       ppapi()->GetFileRefInterface()->Create(filesystem_resource_,
                                              path.Join().c_str()));
   if (!fileref_resource.pp_resource())
-    return ENOSYS;
+    return ENOENT;
 
   int32_t result = ppapi()->GetFileRefInterface()
       ->Delete(fileref_resource.pp_resource(), PP_BlockUntilComplete());
   if (result != PP_OK)
     return PPErrorToErrno(result);
 
   return 0;
 }
 
 MountHtml5Fs::MountHtml5Fs()
@@ skipping 76 matching lines @@
   MountHtml5Fs* self = static_cast<MountHtml5Fs*>(user_data);
   self->FilesystemOpenCallback(result);
 }
 
 void MountHtml5Fs::FilesystemOpenCallback(int32_t result) {
   AutoLock lock(&lock_);
   filesystem_open_has_result_ = true;
   filesystem_open_error_ = PPErrorToErrno(result);
   pthread_cond_signal(&filesystem_open_cond_);
 }