From 6e397dd3f0b4999c65f0ad5d35fa9007bc6bc9d8 Mon Sep 17 00:00:00 2001 From: rubidium Date: Tue, 14 Oct 2008 12:07:14 +0000 Subject: (svn r14463) -Fix [FS#2348]: small possible chance of desync due to sorting on pointer instead of by (station) index (PhilSophus) --- src/oldpool.h | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) (limited to 'src/oldpool.h') diff --git a/src/oldpool.h b/src/oldpool.h index d66a3a576..457e5327d 100644 --- a/src/oldpool.h +++ b/src/oldpool.h @@ -155,6 +155,23 @@ static void PoolCleanBlock(uint start_item, uint end_item) } } +/** + * Template providing a predicate to allow STL containers of + * pointers to pool items to be sorted by index. + */ +template +struct PoolItemIndexLess { + /** + * The actual comparator. + * @param lhs the left hand side of the comparison. + * @param rhs the right hand side of the comparison. + * @return true if lhs' index is less than rhs' index. + */ + bool operator()(const T *lhs, const T *rhs) const + { + return lhs->index < rhs->index; + } +}; /** * Generalization for all pool items that are saved in the savegame. -- cgit v1.2.3-70-g09d2