mirror of
https://github.com/SerenityOS/serenity
synced 2024-07-22 02:26:11 +00:00
50 lines
1.3 KiB
C++
50 lines
1.3 KiB
C++
/*
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* Copyright (c) 2021, David Isaksson <davidisaksson93@gmail.com>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <LibCore/ArgsParser.h>
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#include <LibCore/System.h>
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#include <LibMain/Main.h>
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#include <fcntl.h>
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#include <sys/ioctl.h>
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static ErrorOr<void> fetch_ioctl(int fd, int request)
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{
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u64 value;
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TRY(Core::System::ioctl(fd, request, &value));
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outln("{}", value);
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return {};
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}
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ErrorOr<int> serenity_main(Main::Arguments arguments)
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{
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TRY(Core::System::unveil("/dev", "r"));
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TRY(Core::System::unveil(nullptr, nullptr));
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TRY(Core::System::pledge("stdio rpath"));
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StringView device;
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bool flag_get_disk_size = false;
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bool flag_get_block_size = false;
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Core::ArgsParser args_parser;
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args_parser.set_general_help("Call block device ioctls");
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args_parser.add_option(flag_get_disk_size, "Get size in bytes", "size", 's');
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args_parser.add_option(flag_get_block_size, "Get block size in bytes", "block-size", 'b');
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args_parser.add_positional_argument(device, "Device to query", "device");
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args_parser.parse(arguments);
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int fd = TRY(Core::System::open(device, O_RDONLY));
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if (flag_get_disk_size) {
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TRY(fetch_ioctl(fd, STORAGE_DEVICE_GET_SIZE));
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}
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if (flag_get_block_size) {
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TRY(fetch_ioctl(fd, STORAGE_DEVICE_GET_BLOCK_SIZE));
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}
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return 0;
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}
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