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3f3f45580a
Each of these strings would previously rely on StringView's char const* constructor overload, which would call __builtin_strlen on the string. Since we now have operator ""sv, we can replace these with much simpler versions. This opens the door to being able to remove StringView(char const*). No functional changes.
38 lines
1.2 KiB
C++
38 lines
1.2 KiB
C++
/*
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* Copyright (c) 2020, Liav A. <liavalb@hotmail.co.il>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <AK/JsonArray.h>
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#include <AK/JsonObject.h>
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#include <LibCore/File.h>
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#include <LibCore/System.h>
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#include <LibMain/Main.h>
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ErrorOr<int> serenity_main(Main::Arguments)
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{
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TRY(Core::System::pledge("stdio rpath"));
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TRY(Core::System::unveil("/proc/interrupts", "r"));
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TRY(Core::System::unveil(nullptr, nullptr));
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auto proc_interrupts = TRY(Core::File::open("/proc/interrupts", Core::OpenMode::ReadOnly));
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TRY(Core::System::pledge("stdio"));
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outln(" CPU0");
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auto file_contents = proc_interrupts->read_all();
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auto json = TRY(JsonValue::from_string(file_contents));
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json.as_array().for_each([](auto& value) {
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auto& handler = value.as_object();
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auto purpose = handler.get("purpose"sv).to_string();
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auto interrupt = handler.get("interrupt_line"sv).to_string();
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auto controller = handler.get("controller"sv).to_string();
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auto call_count = handler.get("call_count"sv).to_string();
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outln("{:>4}: {:10} {:10} {:30}", interrupt, call_count, controller, purpose);
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});
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return 0;
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}
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