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Stop reading a missing AMF metadata type as a string

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A <metadata> element without a type attribute makes get_attribute() return
nullptr, which is then assigned to a std::string and read as a C string.

Check it the way the sibling metadata handler already does and stop the parse.
This commit is contained in:
ExPikaPaka
2026-10-01 08:50:05 +02:00
parent 8aa5b1130a
commit 991d421756
1 changed files with 7 additions and 2 deletions
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src/libslic3r/Format/AMF.cpp
+7 -2
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@@ -311,8 +311,13 @@ void AMFParserContext::startElement(const char *name, const char **atts)
case 2:
if (strcmp(name, "metadata") == 0) {
if (m_path[1] == NODE_TYPE_MATERIAL || m_path[1] == NODE_TYPE_OBJECT) {
m_value[0] = get_attribute(atts, "type");
node_type_new = NODE_TYPE_METADATA;
const char *type = get_attribute(atts, "type");
if (type == nullptr)
this->stop();
else {
m_value[0] = type;
node_type_new = NODE_TYPE_METADATA;
}
}
}/* else if (strcmp(name, "layer_config_ranges") == 0 && m_path[1] == NODE_TYPE_OBJECT)
node_type_new = NODE_TYPE_LAYER_CONFIG;*/