[NaCl SDK] MountNodeDir::GetDents sets d_off instead of leaving it undefined.

native_client_sdk/src/libraries/nacl_io_test/mount_node_test.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 <errno.h>
 #include <fcntl.h>
 
 #include "nacl_io/kernel_proxy.h"
 #include "nacl_io/mount_node.h"
@@ skipping 89 matching lines @@
   EXPECT_EQ(0, file->GetSize());
   EXPECT_EQ(0, file->Read(0, buf2, sizeof(buf2)));
   EXPECT_EQ(0, file->GetSize());
   EXPECT_EQ(sizeof(buf1), file->Write(0, buf1, sizeof(buf1)));
   EXPECT_EQ(sizeof(buf1), file->GetSize());
   EXPECT_EQ(sizeof(buf1), file->Read(0, buf2, sizeof(buf2)));
   EXPECT_EQ(0, memcmp(buf1, buf2, sizeof(buf1)));
 
   struct stat s;
   EXPECT_EQ(0, file->GetStat(&s));
+  EXPECT_LT(0, s.st_ino);  // 0 is an invalid inode number.
   EXPECT_EQ(sizeof(buf1), s.st_size);
 
   // Directory operations should fail
   struct dirent d;
   EXPECT_EQ(-1, file->GetDents(0, &d, sizeof(d)));
   EXPECT_EQ(errno, ENOTDIR);
   EXPECT_EQ(-1, file->AddChild("", file));
   EXPECT_EQ(errno, ENOTDIR);
   EXPECT_EQ(-1, file->RemoveChild(""));
   EXPECT_EQ(errno, ENOTDIR);
@@ skipping 30 matching lines @@
 
   EXPECT_EQ(1, root->RefCount());
   EXPECT_EQ(1, file->RefCount());
   EXPECT_EQ(0, root->AddChild("F1", file));
   EXPECT_EQ(1, file->GetLinks());
   EXPECT_EQ(2, file->RefCount());
 
   // Test that the directory is there
   struct dirent d;
   EXPECT_EQ(sizeof(d), root->GetDents(0, &d, sizeof(d)));
+  EXPECT_LT(0, d.d_ino);  // 0 is an invalid inode number.
+  EXPECT_EQ(sizeof(d), d.d_off);
+  EXPECT_EQ(sizeof(d), d.d_reclen);
   EXPECT_EQ(0, strcmp("F1", d.d_name));
   EXPECT_EQ(0, root->GetDents(sizeof(d), &d, sizeof(d)));
 
   EXPECT_EQ(0, root->AddChild("F2", file));
   EXPECT_EQ(2, file->GetLinks());
   EXPECT_EQ(3, file->RefCount());
   EXPECT_EQ(-1, root->AddChild("F1", file));
   EXPECT_EQ(EEXIST, errno);
   EXPECT_EQ(2, file->GetLinks());
 
@@ skipping 11 matching lines @@
   EXPECT_EQ(0, file->GetLinks());
   EXPECT_EQ(1, file->RefCount());
   EXPECT_EQ(2, s_AllocNum);
 
   file->Release();
   EXPECT_EQ(1, s_AllocNum);
   root->Release();
   EXPECT_EQ(0, s_AllocNum);
 }