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/*
* list.cpp
* Copyright 2014 John Lindgren
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions, and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions, and the following disclaimer in the documentation
* provided with the distribution.
*
* This software is provided "as is" and without any warranty, express or
* implied. In no event shall the authors be liable for any damages arising from
* the use of this software.
*/
#include "list.h"
EXPORT void ListBase::insert_after (ListNode * prev, ListNode * node)
{
ListNode * next;
if (prev)
{
next = prev->next;
prev->next = node;
}
else
{
next = head;
head = node;
}
node->prev = prev;
node->next = next;
if (next)
next->prev = node;
else
tail = node;
}
EXPORT void ListBase::remove (ListNode * node)
{
ListNode * prev = node->prev;
ListNode * next = node->next;
node->prev = nullptr;
node->next = nullptr;
if (prev)
prev->next = next;
else
head = next;
if (next)
next->prev = prev;
else
tail = prev;
}
EXPORT void ListBase::clear (DestroyFunc destroy)
{
ListNode * node = head;
while (node)
{
ListNode * next = node->next;
destroy (node);
node = next;
}
head = nullptr;
tail = nullptr;
}
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