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Diffstat (limited to 'vnfs/VESreporting_vFW5.0_DANOS/evel/evel-library/code/evel_library/double_list.h')
-rw-r--r-- | vnfs/VESreporting_vFW5.0_DANOS/evel/evel-library/code/evel_library/double_list.h | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/vnfs/VESreporting_vFW5.0_DANOS/evel/evel-library/code/evel_library/double_list.h b/vnfs/VESreporting_vFW5.0_DANOS/evel/evel-library/code/evel_library/double_list.h new file mode 100644 index 00000000..5cf7e1af --- /dev/null +++ b/vnfs/VESreporting_vFW5.0_DANOS/evel/evel-library/code/evel_library/double_list.h @@ -0,0 +1,57 @@ +/*************************************************************************//** + * + * Copyright © 2017 AT&T Intellectual Property. All rights reserved. + * + * 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. + * + ****************************************************************************/ + +/**************************************************************************//** + * @file + * A simple double-linked list. + * + * @note No thread protection so you will need to use appropriate + * synchronization if use spans multiple threads. + * + ****************************************************************************/ + +#ifndef DOUBLE_LIST_INCLUDED +#define DOUBLE_LIST_INCLUDED + +typedef struct dlist_item +{ + struct dlist_item * previous; + struct dlist_item * next; + void * item; +} DLIST_ITEM; + +/**************************************************************************//** + * Double-linked list structure + *****************************************************************************/ +typedef struct dlist +{ + DLIST_ITEM * head; + DLIST_ITEM * tail; +} DLIST; + + +void dlist_initialize(DLIST * list); +void * dlist_pop_last(DLIST * list); +void dlist_push_first(DLIST * list, void * item); +void dlist_push_last(DLIST * list, void * item); +DLIST_ITEM * dlist_get_first(DLIST * list); +DLIST_ITEM * dlist_get_last(DLIST * list); +DLIST_ITEM * dlist_get_next(DLIST_ITEM * item); +int dlist_is_empty(DLIST * list); +int dlist_count(DLIST * list); + +#endif |