broker_list.h

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/*
 * Copyright 2008 Search Solution Corporation
 * Copyright 2016 CUBRID Corporation
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 *
 */


/*
 * broker_list.h - Linked-list Utility Interface Header File
 *               This file contains exported stuffs from linked list module.
 */

#ifndef _BROKER_LIST_H_
#define _BROKER_LIST_H_

#ident "$Id$"


#define LINK_LIST_DEFAULT_ASSIGN_FUNC   link_list_default_assign_func
#define LINK_LIST_DEFAULT_COMPARE_FUNC  link_list_default_compare_func

#define LINK_LIST_FIND_VALUE(VALUE, HEAD, KEY, KEY_CMP_FUNC)    \
    do {                            \
      T_LIST    *node;                  \
      node = link_list_find(HEAD, KEY, NULL, KEY_CMP_FUNC, NULL);   \
      if (node == NULL)                 \
        VALUE = NULL;                   \
      else                          \
        VALUE = node->value;                \
    } while (0)


typedef struct list_tag T_LIST;
struct list_tag
{
  void *key;
  void *value;
  struct list_tag *next;
};


extern int link_list_add (T_LIST **, void *, void *, int (*)(T_LIST *, void *, void *));
extern T_LIST *link_list_find (T_LIST *, void *, void *, int (*)(void *, void *), int (*)(void *, void *));
extern int link_list_node_delete2 (T_LIST **, void *, void *, int (*)(void *, void *), int (*)(void *, void *),
                   void (*)(T_LIST *));
extern int link_list_delete (T_LIST **, void (*)(T_LIST *));
extern int link_list_node_delete (T_LIST **, void *, int (*)(void *, void *), void (*)(T_LIST *));

extern int link_list_default_assign_func (T_LIST * node, void *key, void *value);
extern int link_list_default_compare_func (void *key, void *value);
extern void *link_list_traverse (T_LIST * head, void *(*traverse_func) (T_LIST *, void *));

#endif /* _BROKER_LIST_H_ */