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#1054 initialize memory in case of too few attribute values

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This commit is contained in:
Thomas Krijnen
2020-10-30 09:59:01 +01:00
parent 3fdcf3c7b7
commit b08346cc64
1 changed files with 8 additions and 3 deletions
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src/ifcparse/IfcParse.cpp
+8 -3
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@@ -660,7 +660,7 @@ size_t IfcParse::IfcFile::load(unsigned entity_instance_name, Argument**& attrib
filler = vector_or_array<Argument*>(vector);
}
size_t return_value = num_attributes;
size_t return_value = 0;
while( next.startPos || next.lexer ) {
if ( TokenFunc::isOperator(next,',') ) {
@@ -668,10 +668,12 @@ size_t IfcParse::IfcFile::load(unsigned entity_instance_name, Argument**& attrib
} else if ( TokenFunc::isOperator(next,')') ) {
break;
} else if ( TokenFunc::isOperator(next,'(') ) {
return_value++;
ArgumentList* alist = new ArgumentList();
alist->size() = load(entity_instance_name, alist->arguments(), 0);
filler.push_back(alist);
} else {
return_value++;
if ( TokenFunc::isIdentifier(next) ) {
if (!parsing_complete_) {
register_inverse(entity_instance_name, next);
@@ -1019,10 +1021,13 @@ void IfcEntityInstanceData::load() const {
// 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()];
tmp_data = new Argument*[getArgumentCount()]{};
}
file->seek_to(*this);
file->load(id(), tmp_data, getArgumentCount());
size_t n = file->load(id(), tmp_data, 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;