Renumbering sandbox policy actions to fix bug found by VC++'s /analyze.

sandbox/win/src/policy_engine_processor.h

 // Copyright (c) 2010 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_POLICY_ENGINE_PROCESSOR_H__
 #define SANDBOX_SRC_POLICY_ENGINE_PROCESSOR_H__
 
 #include "base/basictypes.h"
 #include "sandbox/win/src/policy_engine_params.h"
 #include "sandbox/win/src/policy_engine_opcodes.h"
@@ skipping 45 matching lines @@
 //
 
 // Possible outcomes of policy evaluation.
 enum PolicyResult {
   NO_POLICY_MATCH,
   POLICY_MATCH,
   POLICY_ERROR
 };
 
 // Policy evaluation flags
-// TODO(cpu): implement the options 0 & 4.
+// TODO(cpu): implement the options kStopOnErrors & kRankedEval.
 //
 // Stop evaluating as soon as an error is encountered.
-const uint32 kStopOnErrors = 0;
+const uint32 kStopOnErrors = 1;
 // Ignore all non fatal opcode evaluation errors.
-const uint32 kIgnoreErrors = 1;
+const uint32 kIgnoreErrors = 2;
 // Short-circuit evaluation: Only evaluate until opcode group that
 // evaluated to true has been found.
-const uint32 kShortEval = 2;
+const uint32 kShortEval = 4;
 // Discussed briefly at the policy design meeting. It will evaluate
 // all rules and then return the 'best' rule that evaluated true.
-const uint32 kRankedEval = 4;
+const uint32 kRankedEval = 8;
 
 // This class evaluates a policy-opcode stream given the memory where the
 // opcodes are and an input 'parameter set'.
 //
 // This class is designed to be callable from interception points
 // as low as the NtXXXX service level (it is not currently safe, but
 // it is designed to be made safe).
 //
 // Its usage in an interception is:
 //
@@ skipping 48 matching lines @@
   // Sets the currently matching action result.
   void SetInternalState(size_t index, EvalResult result);
 
   PolicyBuffer* policy_;
   DISALLOW_COPY_AND_ASSIGN(PolicyProcessor);
 };
 
 }  // namespace sandbox
 
 #endif  // SANDBOX_SRC_POLICY_ENGINE_PROCESSOR_H__