From fbeebce4e39fbe8ef9a7f01fec28ccee44952d81 Mon Sep 17 00:00:00 2001
From: Andreas Kling <kling@serenityos.org>
Date: Mon, 29 Nov 2021 21:16:35 +0100
Subject: [PATCH] whoami: Port to LibMain :^)

---
 Userland/Utilities/CMakeLists.txt |  1 +
 Userland/Utilities/whoami.cpp     | 20 +++++++-------------
 2 files changed, 8 insertions(+), 13 deletions(-)

diff --git a/Userland/Utilities/CMakeLists.txt b/Userland/Utilities/CMakeLists.txt
index c32930dad9..958321f8e5 100644
--- a/Userland/Utilities/CMakeLists.txt
+++ b/Userland/Utilities/CMakeLists.txt
@@ -123,4 +123,5 @@ target_link_libraries(cpp-parser LibCpp LibGUI)
 target_link_libraries(cpp-preprocessor LibCpp LibGUI)
 target_link_libraries(w LibMain)
 target_link_libraries(wasm LibWasm LibLine)
+target_link_libraries(whoami LibMain)
 target_link_libraries(wsctl LibGUI)
diff --git a/Userland/Utilities/whoami.cpp b/Userland/Utilities/whoami.cpp
index fb5a0901a9..08d4f7e15a 100644
--- a/Userland/Utilities/whoami.cpp
+++ b/Userland/Utilities/whoami.cpp
@@ -1,25 +1,19 @@
 /*
- * Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
+ * Copyright (c) 2018-2021, Andreas Kling <kling@serenityos.org>
  *
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
+#include <LibCore/System.h>
+#include <LibMain/Main.h>
 #include <stdio.h>
 #include <unistd.h>
 
-int main(int, char**)
+ErrorOr<int> serenity_main(Main::Arguments)
 {
-    if (pledge("stdio rpath", nullptr) < 0) {
-        perror("pledge");
-        return 1;
-    }
-
-    if (unveil("/etc/passwd", "r") < 0) {
-        perror("unveil");
-        return 1;
-    }
-
-    unveil(nullptr, nullptr);
+    TRY(Core::System::pledge("stdio rpath"));
+    TRY(Core::System::unveil("/etc/passwd", "r"));
+    TRY(Core::System::unveil(nullptr, nullptr));
 
     puts(getlogin());
     return 0;