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readlink: Port to LibMain

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This commit is contained in:
Kenneth Myhra 2022-03-23 17:12:49 +01:00 • committed by Andreas Kling
parent 4a57be824c
commit 45ac5e90b7
2 changed files with 7 additions and 15 deletions
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1
Userland/Utilities/CMakeLists.txt
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@ -170,6 +170,7 @@ target_link_libraries(ps LibMain)
target_link_libraries(purge LibMain) target_link_libraries(purge LibMain)
target_link_libraries(pwd LibMain) target_link_libraries(pwd LibMain)
target_link_libraries(readelf LibMain) target_link_libraries(readelf LibMain)
target_link_libraries(readlink LibMain)
target_link_libraries(realpath LibMain) target_link_libraries(realpath LibMain)
target_link_libraries(reboot LibMain) target_link_libraries(reboot LibMain)
target_link_libraries(rev LibMain) target_link_libraries(rev LibMain)

21
Userland/Utilities/readlink.cpp
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@ -6,15 +6,12 @@
#include <LibCore/ArgsParser.h> #include <LibCore/ArgsParser.h>
#include <LibCore/File.h> #include <LibCore/File.h>
#include <stdio.h> #include <LibCore/System.h>
#include <unistd.h> #include <LibMain/Main.h>
int main(int argc, char** argv) ErrorOr<int> serenity_main(Main::Arguments arguments)
{ {
if (pledge("stdio rpath", nullptr) < 0) { TRY(Core::System::pledge("stdio rpath"));
perror("pledge");
return 1;
}
bool no_newline = false; bool no_newline = false;
Vector<const char*> paths; Vector<const char*> paths;
@ -22,16 +19,10 @@ int main(int argc, char** argv)
Core::ArgsParser args_parser; Core::ArgsParser args_parser;
args_parser.add_option(no_newline, "Do not append a newline", "no-newline", 'n'); 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.add_positional_argument(paths, "Symlink path", "path");
args_parser.parse(argc, argv); args_parser.parse(arguments);
for (const char* path : paths) { for (const char* path : paths) {
auto destination_or_error = Core::File::read_link(path); auto destination = TRY(Core::File::read_link(path));
if (destination_or_error.is_error()) {
perror(path);
return 1;
}
auto destination = destination_or_error.release_value();
out("{}", destination); out("{}", destination);
if (!no_newline) if (!no_newline)
outln(); outln();