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37 lines
861 B
C++
37 lines
861 B
C++
/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <AK/ByteBuffer.h>
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#include <LibCore/File.h>
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#include <assert.h>
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#include <fcntl.h>
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#include <stdio.h>
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#include <unistd.h>
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int main([[maybe_unused]] int argc, [[maybe_unused]] char** argv)
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{
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if (pledge("stdio rpath", nullptr) < 0) {
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perror("pledge");
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return 1;
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}
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if (unveil("/proc/dmesg", "r") < 0) {
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perror("unveil");
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return 1;
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}
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unveil(nullptr, nullptr);
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auto f = Core::File::construct("/proc/dmesg");
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if (!f->open(Core::OpenMode::ReadOnly)) {
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fprintf(stderr, "open: failed to open /proc/dmesg: %s\n", f->error_string());
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return 1;
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}
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const auto& b = f->read_all();
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for (size_t i = 0; i < b.size(); ++i)
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putchar(b[i]);
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return 0;
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}
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