diff options
| -rw-r--r-- | src/libstrongswan/utils/linked_list.c | 38 | ||||
| -rw-r--r-- | src/libstrongswan/utils/linked_list.h | 19 |
2 files changed, 57 insertions, 0 deletions
diff --git a/src/libstrongswan/utils/linked_list.c b/src/libstrongswan/utils/linked_list.c index de52ea46a..54fbe4432 100644 --- a/src/libstrongswan/utils/linked_list.c +++ b/src/libstrongswan/utils/linked_list.c @@ -6,6 +6,7 @@ */ /* + * Copyright (C) 2007 Tobias Brunner * Copyright (C) 2005-2006 Martin Willi * Copyright (C) 2005 Jan Hutter * Hochschule fuer Technik Rapperswil @@ -645,6 +646,41 @@ static void invoke(private_linked_list_t *this, size_t offset) } /** + * Implementation of linked_list_t.clone_offset + */ +static linked_list_t *clone_offset(private_linked_list_t *this, size_t offset) +{ + linked_list_t *clone = linked_list_create(); + element_t *current = this->first; + + while (current) + { + void* (**method)(void*) = current->value + offset; + clone->insert_last(clone, (*method)(current->value)); + current = current->next; + } + + return clone; +} + +/** + * Implementation of linked_list_t.clone_function + */ +static linked_list_t *clone_function(private_linked_list_t *this, void* (*fn)(void*)) +{ + linked_list_t *clone = linked_list_create(); + element_t *current = this->first; + + while (current) + { + clone->insert_last(clone, fn(current->value)); + current = current->next; + } + + return clone; +} + +/** * Implementation of linked_list_t.destroy. */ static void destroy(private_linked_list_t *this) @@ -754,6 +790,8 @@ linked_list_t *linked_list_create() this->public.remove_at_position = (status_t (*) (linked_list_t *,size_t, void **))remove_at_position; this->public.get_at_position = (status_t (*) (linked_list_t *,size_t, void **))get_at_position; this->public.invoke = (void (*)(linked_list_t*,size_t))invoke; + this->public.clone_offset = (linked_list_t * (*)(linked_list_t*,size_t))clone_offset; + this->public.clone_function = (linked_list_t * (*)(linked_list_t*,void*(*)(void*)))clone_function; this->public.destroy = (void (*) (linked_list_t *))destroy; this->public.destroy_offset = (void (*) (linked_list_t *,size_t))destroy_offset; this->public.destroy_function = (void (*)(linked_list_t*,void(*)(void*)))destroy_function; diff --git a/src/libstrongswan/utils/linked_list.h b/src/libstrongswan/utils/linked_list.h index 58bcbbdaa..4f313ded6 100644 --- a/src/libstrongswan/utils/linked_list.h +++ b/src/libstrongswan/utils/linked_list.h @@ -6,6 +6,7 @@ */ /* + * Copyright (C) 2007 Tobias Brunner * Copyright (C) 2005-2006 Martin Willi * Copyright (C) 2005 Jan Hutter * Hochschule fuer Technik Rapperswil @@ -186,6 +187,24 @@ struct linked_list_t { void (*invoke) (linked_list_t *this, size_t offset); /** + * @brief Clones a list and its objects using the objects' clone method. + * + * @param this calling object + * @param offset offset ot the objects clone function + * @return cloned list + */ + linked_list_t *(*clone_offset) (linked_list_t *this, size_t offset); + + /** + * @brief Clones a list and its objects using a given function. + * + * @param this calling object + * @param function function that clones an object + * @return cloned list + */ + linked_list_t *(*clone_function) (linked_list_t *this, void*(*)(void*)); + + /** * @brief Destroys a linked_list object. * * @param this calling object |