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find methods for linked lists

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This commit is contained in:
Tobias Brunner
2008-02-14 12:29:29 +00:00
parent 298c9c8eed
commit e3311a40f0
2 changed files with 105 additions and 0 deletions
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src/libstrongswan/utils/linked_list.c
+48
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@@ -676,6 +676,52 @@ static status_t get_last(private_linked_list_t *this, void **item)
return SUCCESS;
}
/**
* Implementation of linked_list_t.find_first.
*/
static status_t find_first(private_linked_list_t *this, linked_list_match_t match,
void **item, void *d1, void *d2, void *d3, void *d4, void *d5)
{
element_t *current = this->first;
while (current)
{
if (match(current->value, d1, d2, d3, d4, d5))
{
if (item != NULL)
{
*item = current->value;
}
return SUCCESS;
}
current = current->next;
}
return NOT_FOUND;
}
/**
* Implementation of linked_list_t.find_last.
*/
static status_t find_last(private_linked_list_t *this, linked_list_match_t match,
void **item, void *d1, void *d2, void *d3, void *d4, void *d5)
{
element_t *current = this->last;
while (current)
{
if (match(current->value, d1, d2, d3, d4, d5))
{
if (item != NULL)
{
*item = current->value;
}
return SUCCESS;
}
current = current->previous;
}
return NOT_FOUND;
}
/**
* Implementation of linked_list_t.invoke_offset.
*/
@@ -843,6 +889,8 @@ linked_list_t *linked_list_create()
this->public.create_enumerator = (enumerator_t*(*)(linked_list_t*))create_enumerator;
this->public.get_first = (status_t (*) (linked_list_t *, void **item))get_first;
this->public.get_last = (status_t (*) (linked_list_t *, void **item))get_last;
this->public.find_first = (status_t (*) (linked_list_t *, linked_list_match_t,void**,...))find_first;
this->public.find_last = (status_t (*) (linked_list_t *, linked_list_match_t,void**,...))find_last;
this->public.insert_first = (void (*) (linked_list_t *, void *item))insert_first;
this->public.insert_last = (void (*) (linked_list_t *, void *item))insert_last;
this->public.remove_first = (status_t (*) (linked_list_t *, void **item))remove_first;