From dba23c55dd88479ce4b0d5ca9e3ee63f3ccc6602 Mon Sep 17 00:00:00 2001
From: Brian Gianforcaro <bgianf@serenityos.org>
Date: Sun, 20 Mar 2022 13:17:58 -0700
Subject: [PATCH] matroska: Port to LibMain

---
 Userland/Utilities/CMakeLists.txt | 2 +-
 Userland/Utilities/matroska.cpp   | 8 +++++---
 2 files changed, 6 insertions(+), 4 deletions(-)

diff --git a/Userland/Utilities/CMakeLists.txt b/Userland/Utilities/CMakeLists.txt
index 17717ee152..7a0c2de72d 100644
--- a/Userland/Utilities/CMakeLists.txt
+++ b/Userland/Utilities/CMakeLists.txt
@@ -137,7 +137,7 @@ target_link_libraries(lspci LibPCIDB LibMain)
 target_link_libraries(lsusb LibUSBDB LibMain)
 target_link_libraries(man LibMarkdown LibMain)
 target_link_libraries(markdown-check LibMarkdown)
-target_link_libraries(matroska LibVideo)
+target_link_libraries(matroska LibMain LibVideo)
 target_link_libraries(md LibMarkdown LibMain)
 target_link_libraries(mkdir LibMain)
 target_link_libraries(mkfifo LibMain)
diff --git a/Userland/Utilities/matroska.cpp b/Userland/Utilities/matroska.cpp
index 0d8205f49e..061078ca42 100644
--- a/Userland/Utilities/matroska.cpp
+++ b/Userland/Utilities/matroska.cpp
@@ -4,14 +4,14 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
+#include <LibMain/Main.h>
 #include <LibVideo/MatroskaReader.h>
 
-int main(int, char**)
+ErrorOr<int> serenity_main(Main::Arguments)
 {
     auto document = Video::MatroskaReader::parse_matroska_from_file("/home/anon/Videos/test-webm.webm");
     if (!document) {
-        outln("Failed to parse :(");
-        return 1;
+        return Error::from_string_literal("Failed to parse :("sv);
     }
 
     outln("DocType is {}", document->header().doc_type.characters());
@@ -51,4 +51,6 @@ int main(int, char**)
             outln("\t\tBlock has lacing {}", static_cast<u8>(block.lacing()));
         }
     }
+
+    return 0;
 }