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author | Bernd Wachter <bwachter-tmw@lart.info> | 2010-08-13 19:14:33 +0300 |
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committer | Bernd Wachter <bwachter-tmw@lart.info> | 2010-08-15 00:34:20 +0300 |
commit | 7950455d2370bfcdd1ed5472c9e5401b0fd8dbe8 (patch) | |
tree | 9867118f14595a22bf648b089337b6df7f1192bd /libs/enet/list.c | |
parent | 07d6c28b6cbd83a73b0613bffe67be90a86d58ca (diff) | |
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Add enet files
Diffstat (limited to 'libs/enet/list.c')
-rw-r--r-- | libs/enet/list.c | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/libs/enet/list.c b/libs/enet/list.c new file mode 100644 index 00000000..8487200f --- /dev/null +++ b/libs/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; +} + +/** @} */ |