1    :  // Copyright 2013 Google Inc. All Rights Reserved.
   2    :  //
   3    :  // Licensed under the Apache License, Version 2.0 (the "License");
   4    :  // you may not use this file except in compliance with the License.
   5    :  // You may obtain a copy of the License at
   6    :  //
   7    :  //     http://www.apache.org/licenses/LICENSE-2.0
   8    :  //
   9    :  // Unless required by applicable law or agreed to in writing, software
  10    :  // distributed under the License is distributed on an "AS IS" BASIS,
  11    :  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  12    :  // See the License for the specific language governing permissions and
  13    :  // limitations under the License.
  14    :  //
  15    :  // Implements the one non-trivial dlist operation.
  16    :  
  17    :  #include "syzygy/agent/common/dlist.h"
  18    :  
  19    :  #include "base/logging.h"
  20    :  
  21  E :  BOOL IsNodeOnList(LIST_ENTRY* list_head, LIST_ENTRY* entry) {
  22  E :    DCHECK(list_head != NULL);
  23  E :    DCHECK(entry != NULL);
  24    :  
  25  E :    LIST_ENTRY* curr = list_head->Flink;
  26  E :    for (; curr != list_head; curr = curr->Flink) {
  27  E :      if (curr == entry)
  28  E :        return TRUE;
  29  E :    }
  30    :  
  31  E :    return FALSE;
  32  E :  }