mirror of
https://github.com/RGBCube/serenity
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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 :^)
31 lines
789 B
C++
31 lines
789 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/DeprecatedFile.h>
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#include <LibCore/System.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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StringView filename;
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Core::ArgsParser args_parser;
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args_parser.add_positional_argument(filename, "Name of executable", "executable");
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args_parser.parse(arguments);
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auto fullpath = Core::DeprecatedFile::resolve_executable_from_environment(filename);
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if (!fullpath.has_value()) {
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warnln("no '{}' in path", filename);
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return 1;
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}
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outln("{}", fullpath.release_value());
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return 0;
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}
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