Merge 21404 - Fix a FORWARD_NULL defect in ExtractModuleName reported by Cove...

sandbox/src/sandbox_nt_util.h

 // Copyright (c) 2006-2008 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.
 
 #ifndef SANDBOX_SRC_SANDBOX_NT_UTIL_H_
 #define SANDBOX_SRC_SANDBOX_NT_UTIL_H_
 
 #include "base/basictypes.h"
 #include "sandbox/src/nt_internals.h"
 #include "sandbox/src/sandbox_nt_types.h"
@@ skipping 100 matching lines @@
 // operator delete(name, NT_ALLOC);
 UNICODE_STRING* GetImageInfoFromModule(HMODULE module, uint32* flags);
 
 // Returns the full path and filename for a given dll.
 // May return NULL if the provided address is not backed by a named section, or
 // if the current OS version doesn't support the call. The returned buffer must
 // be freed with a placement delete (see GetImageNameFromModule example).
 UNICODE_STRING* GetBackingFilePath(PVOID address);
 
 // Returns the last component of a path that contains the module name.
-// It will return NULL if the path is not a full path or if the path ends
-// with the path separator. The returned buffer must be freed with a placement
-// delete (see GetImageNameFromModule example).
+// It will return NULL if the path ends with the path separator. The returned
+// buffer must be freed with a placement delete (see GetImageNameFromModule
+// example).
 UNICODE_STRING* ExtractModuleName(const UNICODE_STRING* module_path);
 
 // Returns true if the parameters correspond to a dll mapped as code.
 bool IsValidImageSection(HANDLE section, PVOID *base, PLARGE_INTEGER offset,
                          PULONG view_size);
 
 // Converts an ansi string to an UNICODE_STRING.
 UNICODE_STRING* AnsiToUnicode(const char* string);
 
 // Provides a simple way to temporarily change the protection of a memory page.
@@ skipping 23 matching lines @@
 
 // Returns true if the file_rename_information structure is supported by our
 // rename handler.
 bool IsSupportedRenameCall(FILE_RENAME_INFORMATION* file_info, DWORD length,
                            uint32 file_info_class);
 
 }  // namespace sandbox
 
 
 #endif  // SANDBOX_SRC_SANDBOX_NT_UTIL_H__