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https://github.com/RGBCube/serenity
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uptime: Port to Core::Stream::File, use AK::human_readable_time()
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1 changed files with 11 additions and 38 deletions
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@ -1,57 +1,30 @@
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/*
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/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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* Copyright (c) 2022, Karol Kosek <krkk@serenityos.org>
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*
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*
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* SPDX-License-Identifier: BSD-2-Clause
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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*/
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#include <AK/Format.h>
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#include <AK/NumberFormat.h>
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#include <LibCore/Stream.h>
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#include <LibCore/System.h>
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#include <LibCore/System.h>
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#include <LibMain/Main.h>
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#include <LibMain/Main.h>
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#include <stdio.h>
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#include <unistd.h>
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ErrorOr<int> serenity_main(Main::Arguments)
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ErrorOr<int> serenity_main(Main::Arguments)
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{
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{
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TRY(Core::System::pledge("stdio rpath"));
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TRY(Core::System::pledge("stdio rpath"));
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FILE* fp = fopen("/sys/kernel/uptime", "r");
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auto file = TRY(Core::Stream::File::open("/sys/kernel/uptime"sv, Core::Stream::OpenMode::Read));
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if (!fp) {
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perror("fopen(/sys/kernel/uptime)");
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return 1;
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}
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TRY(Core::System::pledge("stdio"));
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TRY(Core::System::pledge("stdio"));
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char buffer[BUFSIZ];
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Array<u8, BUFSIZ> buffer;
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auto* p = fgets(buffer, sizeof(buffer), fp);
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auto read_buffer = TRY(file->read(buffer));
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if (!p) {
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auto maybe_seconds = AK::StringUtils::convert_to_uint(StringView(read_buffer));
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perror("fgets");
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if (!maybe_seconds.has_value())
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return 1;
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return Error::from_string_literal("Couldn't convert to number");
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}
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auto seconds = maybe_seconds.release_value();
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unsigned seconds;
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outln("Up {}", human_readable_time(seconds));
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sscanf(buffer, "%u", &seconds);
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out("Up ");
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if (seconds / 86400 > 0) {
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out("{} day{}, ", seconds / 86400, (seconds / 86400) == 1 ? "" : "s");
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seconds %= 86400;
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}
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if (seconds / 3600 > 0) {
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out("{} hour{}, ", seconds / 3600, (seconds / 3600) == 1 ? "" : "s");
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seconds %= 3600;
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}
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if (seconds / 60 > 0) {
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out("{} minute{}, ", seconds / 60, (seconds / 60) == 1 ? "" : "s");
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seconds %= 60;
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}
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out("{} second{}", seconds, seconds == 1 ? "" : "s");
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outln();
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fclose(fp);
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return 0;
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return 0;
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}
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}
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