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(svn r19713) -Fix [NewGRF]: passing some invalid data to industry variable 67/68 could cause a crash

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rubidium 2010-04-24 19:06:54 +00:00
parent 03c6f51c84
commit 82136fbc62
1 changed files with 3 additions and 0 deletions
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src/newgrf_industries.cpp
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@ -131,6 +131,9 @@ static uint32 GetCountAndDistanceOfClosestInstance(byte param_setID, byte layout
break;
}
/* If the industry type is invalid, there is none and the closest is far away. */
if (ind_index >= NUM_INDUSTRYTYPES) return 0 | 0xFFFF;
if (layout_filter == 0) {
/* If the filter is 0, it could be because none was specified as well as being really a 0.
* In either case, just do the regular var67 */