diff --git a/Userland/readlink.cpp b/Userland/readlink.cpp new file mode 100644 index 00000000000..de65e6212a4 --- /dev/null +++ b/Userland/readlink.cpp @@ -0,0 +1,58 @@ +/* + * Copyright (c) 2020, Sergey Bugaev + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, this + * list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include +#include +#include + +int main(int argc, char** argv) +{ + if (pledge("stdio rpath", nullptr) < 0) { + perror("pledge"); + return 1; + } + + bool no_newline = false; + Vector paths; + + Core::ArgsParser args_parser; + args_parser.add_option(no_newline, "Do not append a newline", "no-newline", 'n'); + args_parser.add_positional_argument(paths, "Symlink path", "path"); + args_parser.parse(argc, argv); + + for (const char* path : paths) { + auto destination = Core::File::read_link(path); + if (destination.is_null()) { + perror(path); + return 1; + } + printf("%s", destination.characters()); + if (!no_newline) + putchar('\n'); + } + + return 0; +}