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AK: Make MappedFile heap-allocated and ref-counted

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Let's adapt this class a bit better to how it's actually being used.

Instead of having valid/invalid states and storing an error in case
it's invalid, a MappedFile is now always valid, and the factory
function that creates it will return an OSError if mapping fails.
This commit is contained in:
Andreas Kling 2021-01-10 15:55:54 +01:00
parent 70fce5c4c7
commit 2f3b901f7f
36 changed files with 184 additions and 199 deletions
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2
Applications/Help/main.cpp
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@ -159,7 +159,7 @@ int main(int argc, char* argv[])
auto source_result = model->page_view(path);
if (source_result.is_error()) {
GUI::MessageBox::show(window, strerror(source_result.error()), "Failed to open man page", GUI::MessageBox::Type::Error);
GUI::MessageBox::show(window, source_result.error().string(), "Failed to open man page", GUI::MessageBox::Type::Error);
return;
}