mirror of
https://github.com/LadybirdBrowser/ladybird.git
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5e1499d104
This commit un-deprecates DeprecatedString, and repurposes it as a byte
string.
As the null state has already been removed, there are no other
particularly hairy blockers in repurposing this type as a byte string
(what it _really_ is).
This commit is auto-generated:
$ xs=$(ack -l \bDeprecatedString\b\|deprecated_string AK Userland \
Meta Ports Ladybird Tests Kernel)
$ perl -pie 's/\bDeprecatedString\b/ByteString/g;
s/deprecated_string/byte_string/g' $xs
$ clang-format --style=file -i \
$(git diff --name-only | grep \.cpp\|\.h)
$ gn format $(git ls-files '*.gn' '*.gni')
119 lines
4.7 KiB
C++
119 lines
4.7 KiB
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/JsonArray.h>
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#include <AK/JsonObject.h>
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#include <AK/NumberFormat.h>
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#include <LibCore/ArgsParser.h>
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#include <LibCore/File.h>
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#include <LibMain/Main.h>
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#include <inttypes.h>
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#include <stdlib.h>
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struct FileSystem {
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ByteString fs;
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size_t total_block_count { 0 };
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size_t free_block_count { 0 };
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size_t total_inode_count { 0 };
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size_t free_inode_count { 0 };
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size_t block_size { 0 };
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ByteString mount_point;
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};
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ErrorOr<int> serenity_main(Main::Arguments arguments)
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{
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bool flag_human_readable = false;
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bool flag_human_readable_si = false;
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bool flag_inode_info = false;
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Core::ArgsParser args_parser;
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args_parser.set_general_help("Display free disk space of each partition.");
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args_parser.add_option(flag_human_readable, "Print human-readable sizes", "human-readable", 'h');
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args_parser.add_option(flag_human_readable_si, "Print human-readable sizes in SI units", "si", 'H');
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args_parser.add_option(flag_inode_info, "Show inode information as well", "inodes", 'i');
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args_parser.parse(arguments);
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auto file = TRY(Core::File::open("/sys/kernel/df"sv, Core::File::OpenMode::Read));
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Vector<StringView> headers;
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TRY(headers.try_append(flag_human_readable ? "Size"sv : "Blocks"sv));
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TRY(headers.try_append("Used"sv));
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TRY(headers.try_append("Available"sv));
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TRY(headers.try_append("Used%"sv));
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if (flag_inode_info) {
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TRY(headers.try_append("Inodes"sv));
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TRY(headers.try_append("IUsed"sv));
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TRY(headers.try_append("IAvailable"sv));
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TRY(headers.try_append("IUsed%"sv));
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}
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TRY(headers.try_append("Mount point"sv));
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out("{:12} ", "Filesystem");
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for (auto& header : headers)
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out("{:>12} ", header);
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outln();
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auto file_contents = TRY(file->read_until_eof());
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auto json_result = TRY(JsonValue::from_string(file_contents));
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auto const& json = json_result.as_array();
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json.for_each([&](auto& value) {
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auto& fs_object = value.as_object();
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auto fs = fs_object.get_byte_string("class_name"sv).value_or({});
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auto total_block_count = fs_object.get_u64("total_block_count"sv).value_or(0);
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auto free_block_count = fs_object.get_u64("free_block_count"sv).value_or(0);
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auto used_block_count = total_block_count - free_block_count;
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auto total_inode_count = fs_object.get_u64("total_inode_count"sv).value_or(0);
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auto free_inode_count = fs_object.get_u64("free_inode_count"sv).value_or(0);
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auto used_inode_count = total_inode_count - free_inode_count;
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auto block_size = fs_object.get_u64("block_size"sv).value_or(0);
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auto mount_point = fs_object.get_byte_string("mount_point"sv).value_or({});
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auto used_percentage = 100;
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if (total_block_count != 0)
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used_percentage = (used_block_count * 100) / total_block_count;
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auto used_inode_percentage = 100;
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if (total_inode_count != 0)
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used_inode_percentage = (used_inode_count * 100) / total_inode_count;
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out("{:12} ", fs);
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bool human_readable = flag_human_readable || flag_human_readable_si;
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auto human_readable_based_on = flag_human_readable_si ? AK::HumanReadableBasedOn::Base10 : AK::HumanReadableBasedOn::Base2;
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if (human_readable) {
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out("{:>12} ", human_readable_size(total_block_count * block_size, human_readable_based_on));
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out("{:>12} ", human_readable_size(used_block_count * block_size, human_readable_based_on));
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out("{:>12} ", human_readable_size(free_block_count * block_size, human_readable_based_on));
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out("{:>11}% ", used_percentage);
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} else {
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out("{:>12} ", (uint64_t)total_block_count);
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out("{:>12} ", (uint64_t)used_block_count);
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out("{:>12} ", (uint64_t)free_block_count);
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out("{:>11}% ", used_percentage);
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}
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if (flag_inode_info) {
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if (human_readable) {
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out("{:>12} ", human_readable_quantity(total_inode_count, human_readable_based_on));
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out("{:>12} ", human_readable_quantity(used_inode_count, human_readable_based_on));
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out("{:>12} ", human_readable_quantity(free_inode_count, human_readable_based_on));
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out("{:>11}% ", used_inode_percentage);
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} else {
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out("{:>12} ", (uint64_t)total_inode_count);
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out("{:>12} ", (uint64_t)used_inode_count);
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out("{:>12} ", (uint64_t)free_inode_count);
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out("{:>11}% ", used_inode_percentage);
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}
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}
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out("{}", mount_point);
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outln();
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});
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return 0;
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}
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