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500044906d
This is not guaranteed to always work correctly as ArgsParser deals in StringViews and might have a non-properly-null-terminated string as a value. As a bonus, using StringView (and DeprecatedString where necessary) leads to nicer looking code too :^)
34 lines
835 B
C++
34 lines
835 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 <LibCore/ArgsParser.h>
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#include <LibCore/System.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 arguments)
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{
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TRY(Core::System::pledge("stdio rpath"));
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DeprecatedString path;
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Core::ArgsParser args_parser;
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args_parser.set_general_help(
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"Show the 'real' path of a file, by resolving all symbolic links along the way.");
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args_parser.add_positional_argument(path, "Path to resolve", "path");
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args_parser.parse(arguments);
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char* value = realpath(path.characters(), nullptr);
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if (value == nullptr) {
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perror("realpath");
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return 1;
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}
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outln("{}", value);
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free(value);
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return 0;
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}
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