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author | Andrei Karas <akaras@inbox.ru> | 2011-01-02 01:48:38 +0200 |
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committer | Andrei Karas <akaras@inbox.ru> | 2011-01-02 02:41:24 +0200 |
commit | 3eeae12c498d1a4dbe969462d2ba841f77ee3ccb (patch) | |
tree | ff8eab35e732bc0749fc11677c8873a7b3a58704 /src/enet/list.c | |
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Initial commit.
This code based on mana client http://www.gitorious.org/mana/mana
and my private repository.
Diffstat (limited to 'src/enet/list.c')
-rw-r--r-- | src/enet/list.c | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/src/enet/list.c b/src/enet/list.c new file mode 100644 index 000000000..8487200ff --- /dev/null +++ b/src/enet/list.c @@ -0,0 +1,75 @@ +/** + @file list.c + @brief ENet linked list functions +*/ +#define ENET_BUILDING_LIB 1 +#include "enet/list.h" + +/** + @defgroup list ENet linked list utility functions + @ingroup private + @{ +*/ +void +enet_list_clear (ENetList * list) +{ + list -> sentinel.next = & list -> sentinel; + list -> sentinel.previous = & list -> sentinel; +} + +ENetListIterator +enet_list_insert (ENetListIterator position, void * data) +{ + ENetListIterator result = (ENetListIterator) data; + + result -> previous = position -> previous; + result -> next = position; + + result -> previous -> next = result; + position -> previous = result; + + return result; +} + +void * +enet_list_remove (ENetListIterator position) +{ + position -> previous -> next = position -> next; + position -> next -> previous = position -> previous; + + return position; +} + +ENetListIterator +enet_list_move (ENetListIterator position, void * dataFirst, void * dataLast) +{ + ENetListIterator first = (ENetListIterator) dataFirst, + last = (ENetListIterator) dataLast; + + first -> previous -> next = last -> next; + last -> next -> previous = first -> previous; + + first -> previous = position -> previous; + last -> next = position; + + first -> previous -> next = first; + position -> previous = last; + + return first; +} + +size_t +enet_list_size (ENetList * list) +{ + size_t size = 0; + ENetListIterator position; + + for (position = enet_list_begin (list); + position != enet_list_end (list); + position = enet_list_next (position)) + ++ size; + + return size; +} + +/** @} */ |