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#2358 fix header entity parsing in case of too few fields

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This commit is contained in:
Thomas Krijnen
2022-08-24 11:57:06 +02:00
parent e3a22601d5
commit b5f4c8218d
1 changed files with 7 additions and 6 deletions
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src/ifcparse/IfcParse.cpp
+7 -6
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@@ -1094,11 +1094,7 @@ void IfcEntityInstanceData::load() const {
static std::recursive_mutex m;
std::lock_guard<std::recursive_mutex> lk(m);
// type_ is 0 for header entities which have their size predetermined in code
Argument** tmp_data = nullptr;
if (type_ != 0) {
tmp_data = new Argument*[getArgumentCount()]{};
}
if (file->parsing_complete()) {
// only when parsing is fully complete we need to seek to the instance, otherwise
@@ -1109,13 +1105,18 @@ void IfcEntityInstanceData::load() const {
file->tokens->Next();
}
size_t n = file->load(id(), type_ ? type_->as_entity() : nullptr, tmp_data, getArgumentCount());
// type_ is 0 for header entities which have their size predetermined in code
// in that we have attributes_ pre-constructed to the correct size in the constructor
// in the other case load() will use a vector internally to grow to the size found in the file
size_t n = file->load(id(), type_ ? type_->as_entity() : nullptr, type_ ? tmp_data : attributes_, getArgumentCount());
if (n != getArgumentCount()) {
Logger::Error("Wrong number of attributes on instance with id #" + boost::lexical_cast<std::string>(id_));
}
file->try_read_semicolon();
// @todo does this need to be atomic somehow?
attributes_ = tmp_data;
if (tmp_data) {
attributes_ = tmp_data;
}
}
namespace {