diff options
Diffstat (limited to 'metadata.cpp')
| -rw-r--r-- | metadata.cpp | 20 |
1 files changed, 16 insertions, 4 deletions
diff --git a/metadata.cpp b/metadata.cpp index c52f6dd1..253d03de 100644 --- a/metadata.cpp +++ b/metadata.cpp @@ -132,22 +132,34 @@ bool Metadata::operator==(const Metadata& rhs) Ref<Metadata> Metadata::operator[](const std::string& key) { - return new Metadata(BNMetadataGetForKey(m_object, key.c_str())); + auto result = BNMetadataGetForKey(m_object, key.c_str()); + if (!result) + return nullptr; + return new Metadata(result); } Ref<Metadata> Metadata::operator[](size_t idx) { - return new Metadata(BNMetadataGetForIndex(m_object, idx)); + auto result = BNMetadataGetForIndex(m_object, idx); + if (!result) + return nullptr; + return new Metadata(result); } Ref<Metadata> Metadata::Get(const std::string& key) { - return new Metadata(BNMetadataGetForKey(m_object, key.c_str())); + auto result = BNMetadataGetForKey(m_object, key.c_str()); + if (!result) + return nullptr; + return new Metadata(result); } Ref<Metadata> Metadata::Get(size_t index) { - return new Metadata(BNMetadataGetForIndex(m_object, index)); + auto result = BNMetadataGetForIndex(m_object, index); + if (!result) + return nullptr; + return new Metadata(result); } bool Metadata::SetValueForKey(const string& key, Ref<Metadata> data) |