--- a/station.h Thu Apr 21 16:20:38 2005 +0000
+++ b/station.h Fri Apr 22 05:41:09 2005 +0000
@@ -146,6 +146,11 @@
return _station_pool.total_items;
}
+static inline bool IsStationIndex(uint index)
+{
+ return index < GetStationPoolSize();
+}
+
#define FOR_ALL_STATIONS_FROM(st, start) for (st = GetStation(start); st != NULL; st = (st->index + 1 < GetStationPoolSize()) ? GetStation(st->index + 1) : NULL)
#define FOR_ALL_STATIONS(st) FOR_ALL_STATIONS_FROM(st, 0)
@@ -292,7 +297,7 @@
/**
* Check if a station really exists.
*/
-static inline bool IsValidStation(Station* station)
+static inline bool IsValidStation(const Station* station)
{
return station->xy != 0; /* XXX: Replace by INVALID_TILE someday */
}