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author | rubidium <rubidium@openttd.org> | 2008-10-14 12:07:14 +0000 |
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committer | rubidium <rubidium@openttd.org> | 2008-10-14 12:07:14 +0000 |
commit | 6e397dd3f0b4999c65f0ad5d35fa9007bc6bc9d8 (patch) | |
tree | d4d5851792beaab1e19c2a4398a024d44769acf1 /src/oldpool.h | |
parent | dc3ce6bbe721426e3f25323812e89501b845840c (diff) | |
download | openttd-6e397dd3f0b4999c65f0ad5d35fa9007bc6bc9d8.tar.xz |
(svn r14463) -Fix [FS#2348]: small possible chance of desync due to sorting on pointer instead of by (station) index (PhilSophus)
Diffstat (limited to 'src/oldpool.h')
-rw-r--r-- | src/oldpool.h | 17 |
1 files changed, 17 insertions, 0 deletions
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 <typename T> +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. |