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58 lines
1.5 KiB
C++
58 lines
1.5 KiB
C++
/*
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* Copyright (c) 2021, the SerenityOS developers.
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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 <LibMain/Main.h>
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#include <string.h>
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ErrorOr<int> serenity_main(Main::Arguments arguments)
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{
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bool list = false;
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bool search = false;
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StringView keyword;
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Core::ArgsParser args_parser;
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args_parser.add_positional_argument(keyword, "Error number or string to search", "keyword", Core::ArgsParser::Required::No);
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args_parser.add_option(list, "List all errno values", "list", 'l');
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args_parser.add_option(search, "Search for error descriptions containing keyword", "search", 's');
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args_parser.parse(arguments);
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if (list) {
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for (int i = 0; i < sys_nerr; i++) {
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outln("{} {}", i, strerror(i));
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}
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return 0;
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}
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if (keyword.is_empty())
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return 0;
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if (search) {
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for (int i = 0; i < sys_nerr; i++) {
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auto error = String::formatted("{}", strerror(i));
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if (error.contains(keyword, CaseSensitivity::CaseInsensitive)) {
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outln("{} {}", i, error);
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}
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}
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return 0;
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}
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auto maybe_errno = keyword.to_int();
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if (!maybe_errno.has_value()) {
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warnln("ERROR: Not understood: {}", keyword);
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return 1;
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}
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auto error = String::formatted("{}", strerror(maybe_errno.value()));
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if (error == "Unknown error"sv) {
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warnln("ERROR: Unknown errno: {}", keyword);
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return 1;
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}
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outln("{} {}", keyword, error);
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return 0;
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}
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