119 lines
4.5 KiB
C
119 lines
4.5 KiB
C
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/**************************************************************************************
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* Copyright (c) 2016-2017, ARM Limited or its affiliates. All rights reserved *
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* *
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* This file and the related binary are licensed under the following license: *
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* *
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* ARM Object Code and Header Files License, v1.0 Redistribution. *
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* *
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* Redistribution and use of object code, header files, and documentation, without *
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* modification, are permitted provided that the following conditions are met: *
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* *
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* 1) Redistributions must reproduce the above copyright notice and the *
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* following disclaimer in the documentation and/or other materials *
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* provided with the distribution. *
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* *
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* 2) Unless to the extent explicitly permitted by law, no reverse *
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* engineering, decompilation, or disassembly of is permitted. *
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* *
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* 3) Redistribution and use is permitted solely for the purpose of *
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* developing or executing applications that are targeted for use *
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* on an ARM-based product. *
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* *
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* DISCLAIMER. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND *
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* CONTRIBUTORS "AS IS." ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT *
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* NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY, NON-INFRINGEMENT, *
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* AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE *
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* COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, *
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED *
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* TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR *
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF *
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING *
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS *
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. *
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**************************************************************************************/
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#ifndef _SSI_PAL_LIST_H
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#define _SSI_PAL_LIST_H
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typedef struct SaSi_PalListItem {
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struct SaSi_PalListItem *prev;
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struct SaSi_PalListItem *next;
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} SaSi_PalListItem_s;
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/*!
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* Initializes a list. Prev/Next points to the same head object.
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*
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* \param head The head of the list.
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*/
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static inline void SaSi_PalListInit(SaSi_PalListItem_s *head)
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{
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head->prev = head;
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head->next = head;
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}
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/*!
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* Add a new list item after head of list.
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*
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* \param new New entry to be added
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* \param head List head to add it after
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*/
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static inline void SaSi_PalListAdd(SaSi_PalListItem_s *new, SaSi_PalListItem_s *head)
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{
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SaSi_PalListItem_s *next = head->next;
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next->prev = new;
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new->next = next;
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new->prev = head;
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head->next = new;
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}
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/*!
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* Add a new list item after head of list.
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*
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* \param new New entry to be added
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* \param head List head to add it after
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*/
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static inline void SaSi_PalListAddTail(SaSi_PalListItem_s *new, SaSi_PalListItem_s *head)
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{
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SaSi_PalListItem_s *prev = head->prev;
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prev->next = new;
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new->next = head;
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new->prev = prev;
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head->prev = new;
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}
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/*!
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* Deletes entry from list.
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*
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* \param item The item to delete from the list.
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*/
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static inline void SaSi_PalListDel(SaSi_PalListItem_s *item)
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{
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SaSi_PalListItem_s *prev = item->prev;
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SaSi_PalListItem_s *next = item->next;
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prev->next = next;
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next->prev = prev;
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item->next = item;
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item->prev = item;
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}
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/*!
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* Checks whether a list is empty.
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*
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* \param head The list's head
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*
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* \return int True if empty list, False otherwise.
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*/
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static inline int SaSi_PalIsListEmpty(const SaSi_PalListItem_s *head)
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{
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return (head->next == head);
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}
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#endif
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