KeyboardMapper: Port to LibMain

Userland/Applications/KeyboardMapper/CMakeLists.txt

@@ -11,4 +11,4 @@ set(SOURCES
 )
 
 serenity_app(KeyboardMapper ICON app-keyboard-mapper)
-target_link_libraries(KeyboardMapper LibGUI LibKeyboard)
+target_link_libraries(KeyboardMapper LibGUI LibKeyboard LibMain)

Userland/Applications/KeyboardMapper/main.cpp

@@ -6,32 +6,27 @@
 
 #include "KeyboardMapperWidget.h"
 #include <LibCore/ArgsParser.h>
+#include <LibCore/System.h>
 #include <LibGUI/Action.h>
 #include <LibGUI/Application.h>
 #include <LibGUI/FilePicker.h>
 #include <LibGUI/Icon.h>
 #include <LibGUI/Menu.h>
 #include <LibGUI/Menubar.h>
-#include <unistd.h>
+#include <LibMain/Main.h>
 
-int main(int argc, char** argv)
+ErrorOr<int> serenity_main(Main::Arguments arguments)
 {
     const char* path = nullptr;
     Core::ArgsParser args_parser;
     args_parser.add_positional_argument(path, "Keyboard character mapping file.", "file", Core::ArgsParser::Required::No);
-    args_parser.parse(argc, argv);
+    args_parser.parse(arguments);
 
-    if (pledge("stdio getkeymap thread rpath cpath wpath recvfd sendfd unix", nullptr) < 0) {
-        perror("pledge");
-        return 1;
-    }
+    TRY(Core::System::pledge("stdio getkeymap thread rpath cpath wpath recvfd sendfd unix"));
 
-    auto app = GUI::Application::construct(argc, argv);
+    auto app = GUI::Application::construct(arguments.argc, arguments.argv);
 
-    if (pledge("stdio getkeymap thread rpath cpath wpath recvfd sendfd", nullptr) < 0) {
-        perror("pledge");
-        return 1;
-    }
+    TRY(Core::System::pledge("stdio getkeymap thread rpath cpath wpath recvfd sendfd"));
 
     auto app_icon = GUI::Icon::default_icon("app-keyboard-mapper");
 
@@ -49,10 +44,7 @@ int main(int argc, char** argv)
         keyboard_mapper_widget->load_from_system();
     }
 
-    if (pledge("stdio thread rpath cpath wpath recvfd sendfd", nullptr) < 0) {
-        perror("pledge");
-        return 1;
-    }
+    TRY(Core::System::pledge("stdio thread rpath cpath wpath recvfd sendfd"));
 
     auto open_action = GUI::CommonActions::make_open_action(
         [&](auto&) {