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LibELF: Make symbol lookup functions return Optional<Symbol>

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It was very confusing how these functions used the "undefined" state
of Symbol to signal lookup failure. Let's use Optional<T> to make things
a bit more understandable.
This commit is contained in:
Andreas Kling 2021-02-20 23:12:00 +01:00
parent 46c3ff2acf
commit 1997d5de1a
3 changed files with 24 additions and 24 deletions
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7
Userland/Libraries/LibELF/DynamicLoader.cpp
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@ -140,11 +140,12 @@ bool DynamicLoader::validate()
void* DynamicLoader::symbol_for_name(const StringView& name)
{
auto symbol = m_dynamic_object->hash_section().lookup_symbol(name);
auto result = m_dynamic_object->hash_section().lookup_symbol(name);
if (!result.has_value())
return nullptr;
auto symbol = result.value();
if (symbol.is_undefined())
return nullptr;
return m_dynamic_object->base_address().offset(symbol.value()).as_ptr();
}