About: Port to LibMain

Userland/Applications/About/CMakeLists.txt

@@ -15,4 +15,4 @@ execute_process(COMMAND "git diff-index --quiet HEAD -- && echo tracked || echo
 add_definitions(-DGIT_COMMIT="${GIT_COMMIT}" -DGIT_BRANCH="${GIT_BRANCH}" -DGIT_CHANGES="${GIT_CHANGES}")
 
 serenity_bin(About)
-target_link_libraries(About LibGUI)
+target_link_libraries(About LibGUI LibMain)

Userland/Applications/About/main.cpp

@@ -1,37 +1,26 @@
 /*
  * Copyright (c) 2018-2020, Andreas Kling <[email protected]>
+ * Copyright (c) 2021, Julius Heijmen <[email protected]>
  *
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
+#include <LibCore/System.h>
 #include <LibGUI/AboutDialog.h>
 #include <LibGUI/Application.h>
 #include <LibGUI/Icon.h>
-#include <stdio.h>
-#include <unistd.h>
+#include <LibMain/Main.h>
 
-int main(int argc, char** argv)
+ErrorOr<int> serenity_main(Main::Arguments arguments)
 {
- if (pledge("stdio recvfd sendfd rpath unix", nullptr) < 0) {
- perror("pledge");
- return 1;
- }
+ TRY(Core::System::pledge("stdio recvfd sendfd rpath unix"));
+ auto app = TRY(GUI::Application::try_create(arguments));
 
- auto app = GUI::Application::construct(argc, argv);
+ TRY(Core::System::pledge("stdio recvfd sendfd rpath"));
+ TRY(Core::System::unveil("/res", "r"));
+ TRY(Core::System::unveil(nullptr, nullptr));
 
- if (pledge("stdio recvfd sendfd rpath", nullptr) < 0) {
- perror("pledge");
- return 1;
- }
-
- if (unveil("/res", "r") < 0) {
- perror("unveil");
- return 1;
- }
-
- unveil(nullptr, nullptr);
-
- auto app_icon = GUI::Icon::default_icon("ladyball");
+ auto app_icon = TRY(GUI::Icon::try_create_default_icon("ladyball"));
  GUI::AboutDialog::show("SerenityOS", app_icon.bitmap_for_size(32), nullptr, app_icon.bitmap_for_size(16), Core::Version::read_long_version_string());
  return app->exec();
 }