drinkingtea/nostalgia
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Code Issues 6 Pull Requests Actions Releases 9 Activity

[ox/mc] Prevent reading array length of absent array

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This commit is contained in:
Gary Talent 2020-03-30 23:59:01 -05:00
parent 33047fc047
commit d7b5f51fdc
2 changed files with 13 additions and 10 deletions
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11
deps/ox/src/ox/mc/read.hpp vendored
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@ -199,10 +199,13 @@ Error MetalClawReader::field(const char*, Handler handler) {
template<typename T>
Error MetalClawReader::field(const char* name, ox::Vector<T> *val) {
const auto [len, err] = arrayLength(false);
oxReturnError(err);
val->resize(len);
return field(name, val->data(), val->size());
if (m_fieldPresence.get(m_field)) {
const auto [len, err] = arrayLength(false);
oxReturnError(err);
val->resize(len);
return field(name, val->data(), val->size());
}
return OxError(0);
}
template<typename T>

12
deps/ox/src/ox/mc/write.hpp vendored
View File

@ -98,11 +98,6 @@ Error MetalClawWriter::field(const char*, T *val) {
return OxError(0);
}
template<typename T>
Error MetalClawWriter::field(const char*, ox::Vector<T> *val) {
return field(nullptr, val->data(), val->size());
}
template<typename T>
Error MetalClawWriter::field(const char*, T *val, std::size_t len) {
auto err = OxError(0);
@ -130,11 +125,16 @@ Error MetalClawWriter::field(const char*, T *val, std::size_t len) {
fieldSet = true;
}
err |= m_fieldPresence.set(m_field, fieldSet);
oxReturnError(m_fieldPresence.set(m_field, fieldSet));
m_field++;
return err;
}
template<typename T>
Error MetalClawWriter::field(const char*, ox::Vector<T> *val) {
return field(nullptr, val->data(), val->size());
}
template<typename I>
Error MetalClawWriter::appendInteger(I val) {
auto err = OxError(0);