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make comparion of loop safe against underflows

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This commit is contained in:
Dennis Luxen 2014-07-01 16:27:33 +02:00
parent 885cd05f1a
commit cfa4d80dd7
1 changed files with 3 additions and 1 deletions
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4
prepare.cpp
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@ -432,13 +432,15 @@ int main(int argc, char *argv[])
position += edge - last_edge; // remove position += edge - last_edge; // remove
} }
for (unsigned sentinel_counter = max_used_node_id; sentinel_counter != node_array.size(); for (unsigned sentinel_counter = max_used_node_id; sentinel_counter < node_array.size();
++sentinel_counter) ++sentinel_counter)
{ {
// sentinel element, guarded against underflow // sentinel element, guarded against underflow
node_array[sentinel_counter].first_edge = contracted_edge_count; node_array[sentinel_counter].first_edge = contracted_edge_count;
} }
SimpleLogger().Write() << "Serializing node array";
const unsigned node_array_size = node_array.size(); const unsigned node_array_size = node_array.size();
// serialize crc32, aka checksum // serialize crc32, aka checksum
hsgr_output_stream.write((char *)&node_based_edge_list_CRC32, sizeof(unsigned)); hsgr_output_stream.write((char *)&node_based_edge_list_CRC32, sizeof(unsigned));