GameOfLife: Port to LibMain

Simplified two pledge() and two unveil() by using TRY().

2 files changed, 12 insertions, 24 deletions

diff --git a/Userland/Games/GameOfLife/CMakeLists.txt b/Userland/Games/GameOfLife/CMakeLists.txt
index a8421a1e8b..8715c17fd4 100644
--- a/Userland/Games/GameOfLife/CMakeLists.txt
+++ b/Userland/Games/GameOfLife/CMakeLists.txt
@@ -15,4 +15,4 @@ set(SOURCES
 )
 
 serenity_app(GameOfLife ICON app-gameoflife)
-target_link_libraries(GameOfLife LibGUI)
+target_link_libraries(GameOfLife LibGUI LibMain)
diff --git a/Userland/Games/GameOfLife/main.cpp b/Userland/Games/GameOfLife/main.cpp
index 1262260575..dec2c28fb6 100644
--- a/Userland/Games/GameOfLife/main.cpp
+++ b/Userland/Games/GameOfLife/main.cpp
@@ -7,6 +7,7 @@
 
 #include "BoardWidget.h"
 #include <Games/GameOfLife/GameOfLifeGML.h>
+#include <LibCore/System.h>
 #include <LibGUI/Application.h>
 #include <LibGUI/BoxLayout.h>
 #include <LibGUI/Button.h>
@@ -18,33 +19,20 @@
 #include <LibGUI/Toolbar.h>
 #include <LibGUI/ToolbarContainer.h>
 #include <LibGUI/Window.h>
-#include <unistd.h>
+#include <LibMain/Main.h>
 
 const char* click_tip = "Tip: click the board to toggle individual cells, or click+drag to toggle multiple cells";
 
-int main(int argc, char** argv)
+ErrorOr<int> serenity_main(Main::Arguments arguments)
 {
-    if (pledge("stdio rpath recvfd sendfd unix", nullptr) < 0) {
-        perror("pledge");
-        return 1;
-    }
-
-    auto app = GUI::Application::construct(argc, argv);
-
-    if (pledge("stdio rpath recvfd sendfd", nullptr) < 0) {
-        perror("pledge");
-        return 1;
-    }
-
-    if (unveil("/res", "r") < 0) {
-        perror("unveil");
-        return 1;
-    }
-
-    if (unveil(nullptr, nullptr) < 0) {
-        perror("unveil");
-        return 1;
-    }
+    TRY(Core::System::pledge("stdio rpath recvfd sendfd unix", nullptr));
+
+    auto app = GUI::Application::construct(arguments);
+
+    TRY(Core::System::pledge("stdio rpath recvfd sendfd", nullptr));
+
+    TRY(Core::System::unveil("/res", "r"));
+    TRY(Core::System::unveil(nullptr, nullptr));
 
     auto app_icon = GUI::Icon::default_icon("app-gameoflife");