Return 88 instead of -88 from the purify scripts since...

tools/purify/common.py

 #!/bin/env python
 # 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.
 
 # common.py
 
 """ Common code used by purify_test.py and quantify_test.py in order to automate
 running of Rational Purify and Quantify in a consistent manner.
 """
@@ skipping 264 matching lines @@
     logging.info("starting execution...")
     # note that self._args begins with the exe to be run
     proc += self._args
     if RunSubprocess(proc, self._timeout) == 0:
       return True
     return False
 
   def Analyze(self):
     '''Analyze step after a successful Execution.  Should be overridden
     by the subclasser if instrumentation is desired.
-    Returns 0 for success, -88 for warning (see ReturnCodeCommand) and anything
+    Returns 0 for success, 88 for warning (see ReturnCodeCommand) and anything
     else for error
     '''
     return -1
 
   def ParseArgv(self):
     '''Parses arguments according to CreateOptionParser
     Subclassers must override if they have extra arguments.'''
     self.CreateOptionParser()
     self._options, self._args = self._parser.parse_args()
     if self._options.verbose:
@@ skipping 37 matching lines @@
       logging.info("clearing instrumentation cache %s" % self._cache_dir)
       if os.path.isdir(self._cache_dir):
         for cfile in os.listdir(self._cache_dir):
           file = os.path.join(self._cache_dir, cfile)
           if os.path.isfile(file):
             try:
               os.remove(file)
             except:
               logging.warning("unable to delete file %s: %s" % (file,
                               sys.exc_info()[0]))