From 74a6fb64b2cd3bcfe98d9e31642385baea70bff7 Mon Sep 17 00:00:00 2001
From: Andreas Kling <kling@serenityos.org>
Date: Mon, 29 Nov 2021 21:35:04 +0100
Subject: [PATCH] DHCPClient: Port to LibMain :^)

---
 Userland/Services/DHCPClient/CMakeLists.txt |  2 +-
 Userland/Services/DHCPClient/main.cpp       | 31 ++++++---------------
 2 files changed, 9 insertions(+), 24 deletions(-)

diff --git a/Userland/Services/DHCPClient/CMakeLists.txt b/Userland/Services/DHCPClient/CMakeLists.txt
index 30d3dd70d2..c6f8b729f0 100644
--- a/Userland/Services/DHCPClient/CMakeLists.txt
+++ b/Userland/Services/DHCPClient/CMakeLists.txt
@@ -11,4 +11,4 @@ set(SOURCES
 )
 
 serenity_bin(DHCPClient)
-target_link_libraries(DHCPClient LibCore)
+target_link_libraries(DHCPClient LibCore LibMain)
diff --git a/Userland/Services/DHCPClient/main.cpp b/Userland/Services/DHCPClient/main.cpp
index 70055f8c14..812ab78275 100644
--- a/Userland/Services/DHCPClient/main.cpp
+++ b/Userland/Services/DHCPClient/main.cpp
@@ -5,35 +5,20 @@
  */
 
 #include "DHCPv4Client.h"
-#include <AK/JsonArray.h>
-#include <AK/JsonObject.h>
 #include <LibCore/EventLoop.h>
-#include <LibCore/LocalServer.h>
-#include <stdio.h>
-#include <unistd.h>
+#include <LibCore/System.h>
+#include <LibMain/Main.h>
 
-int main([[maybe_unused]] int argc, [[maybe_unused]] char** argv)
+ErrorOr<int> serenity_main(Main::Arguments)
 {
-    if (pledge("stdio unix inet cpath rpath", nullptr) < 0) {
-        perror("pledge");
-        return 1;
-    }
-
+    TRY(Core::System::pledge("stdio unix inet cpath rpath"));
     Core::EventLoop event_loop;
 
-    if (unveil("/proc/net/", "r") < 0) {
-        perror("unveil");
-        return 1;
-    }
+    TRY(Core::System::unveil("/proc/net/", "r"));
+    TRY(Core::System::unveil(nullptr, nullptr));
 
-    unveil(nullptr, nullptr);
-
-    auto client = DHCPv4Client::construct();
-
-    if (pledge("stdio inet cpath rpath", nullptr) < 0) {
-        perror("pledge");
-        return 1;
-    }
+    auto client = TRY(DHCPv4Client::try_create());
 
+    TRY(Core::System::pledge("stdio inet cpath rpath"));
     return event_loop.exec();
 }