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Fix #7577: Check if linkgraph station index is valid before dereferencing. (#7583)

pull/7676/head
PeterN 2019-05-10 21:36:03 +01:00 committed by Michael Lutz
parent 9239381d56
commit afc5962881
1 changed files with 4 additions and 2 deletions
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6
src/saveload/linkgraph_sl.cpp
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@ -233,7 +233,8 @@ void AfterLoadLinkGraphs()
LinkGraph *lg;
FOR_ALL_LINK_GRAPHS(lg) {
for (NodeID node_id = 0; node_id < lg->Size(); ++node_id) {
(*lg)[node_id].UpdateLocation(Station::Get((*lg)[node_id].Station())->xy);
const Station *st = Station::GetIfValid((*lg)[node_id].Station());
if (st != nullptr) (*lg)[node_id].UpdateLocation(st->xy);
}
}
@ -241,7 +242,8 @@ void AfterLoadLinkGraphs()
FOR_ALL_LINK_GRAPH_JOBS(lgj) {
lg = &(const_cast<LinkGraph &>(lgj->Graph()));
for (NodeID node_id = 0; node_id < lg->Size(); ++node_id) {
(*lg)[node_id].UpdateLocation(Station::Get((*lg)[node_id].Station())->xy);
const Station *st = Station::GetIfValid((*lg)[node_id].Station());
if (st != nullptr) (*lg)[node_id].UpdateLocation(st->xy);
}
}
}