From 6302ca00431b96d22dbc68a2fa60d0e569775b13 Mon Sep 17 00:00:00 2001
From: Wuzado <23276409+Wuzado@users.noreply.github.com>
Date: Thu, 3 Mar 2022 23:51:39 +0100
Subject: [PATCH] reboot: Port to LibMain

First commit to the project! :^)
---
 Userland/Utilities/CMakeLists.txt |  1 +
 Userland/Utilities/reboot.cpp     | 23 +++++++++--------------
 2 files changed, 10 insertions(+), 14 deletions(-)

diff --git a/Userland/Utilities/CMakeLists.txt b/Userland/Utilities/CMakeLists.txt
index 78376434b3..c0708f289a 100644
--- a/Userland/Utilities/CMakeLists.txt
+++ b/Userland/Utilities/CMakeLists.txt
@@ -162,6 +162,7 @@ target_link_libraries(profile LibMain)
 target_link_libraries(ps LibMain)
 target_link_libraries(pwd LibMain)
 target_link_libraries(realpath LibMain)
+target_link_libraries(reboot LibMain)
 target_link_libraries(rev LibMain)
 target_link_libraries(rm LibMain)
 target_link_libraries(rmdir LibMain)
diff --git a/Userland/Utilities/reboot.cpp b/Userland/Utilities/reboot.cpp
index f564c199a5..c6344e369c 100644
--- a/Userland/Utilities/reboot.cpp
+++ b/Userland/Utilities/reboot.cpp
@@ -5,21 +5,16 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
-#include <fcntl.h>
-#include <stdio.h>
-#include <unistd.h>
+#include <LibCore/Stream.h>
+#include <LibMain/Main.h>
 
-int main(int, char**)
+ErrorOr<int> serenity_main(Main::Arguments)
 {
-    int power_state_switch_node = open("/sys/firmware/power_state", O_WRONLY);
-    if (power_state_switch_node < 0) {
-        perror("open");
-        return 1;
-    }
-    const char* value = "1";
-    if (write(power_state_switch_node, value, 1) < 0) {
-        perror("write");
-        return 1;
-    }
+    auto file = TRY(Core::Stream::File::open("/sys/firmware/power_state", Core::Stream::OpenMode::Write));
+
+    const String file_contents = "1";
+    TRY(file->write(file_contents.bytes()));
+    file->close();
+
     return 0;
 }