LibCore: Use ErrorOr<T> for Core::File::open()

3 files changed, 3 insertions, 1 deletions

diff --git a/Userland/Applications/Spreadsheet/ExportDialog.cpp b/Userland/Applications/Spreadsheet/ExportDialog.cpp
index 62a82f53be..680d770e66 100644
--- a/Userland/Applications/Spreadsheet/ExportDialog.cpp
+++ b/Userland/Applications/Spreadsheet/ExportDialog.cpp
@@ -22,6 +22,7 @@
 #include <LibGUI/TextBox.h>
 #include <LibGUI/Wizards/WizardDialog.h>
 #include <LibGUI/Wizards/WizardPage.h>
+#include <string.h>
 #include <unistd.h>
 
 // This is defined in ImportDialog.cpp, we can't include it twice, since the generated symbol is exported.
diff --git a/Userland/Applications/Spreadsheet/Readers/Test/TestXSV.cpp b/Userland/Applications/Spreadsheet/Readers/Test/TestXSV.cpp
index 5dbe2a5966..0103e4c6c0 100644
--- a/Userland/Applications/Spreadsheet/Readers/Test/TestXSV.cpp
+++ b/Userland/Applications/Spreadsheet/Readers/Test/TestXSV.cpp
@@ -10,6 +10,7 @@
 #include "../XSV.h"
 #include <AK/ByteBuffer.h>
 #include <LibCore/File.h>
+#include <string.h>
 
 TEST_CASE(should_parse_valid_data)
 {
diff --git a/Userland/Applications/Spreadsheet/Workbook.cpp b/Userland/Applications/Spreadsheet/Workbook.cpp
index 40c94e12fe..df9b331d4e 100644
--- a/Userland/Applications/Spreadsheet/Workbook.cpp
+++ b/Userland/Applications/Spreadsheet/Workbook.cpp
@@ -51,7 +51,7 @@ Result<bool, String> Workbook::load(const StringView& filename)
         sb.append("Failed to open ");
         sb.append(filename);
         sb.append(" for reading. Error: ");
-        sb.append(file_or_error.error().string());
+        sb.appendff("{}", file_or_error.error());
 
         return sb.to_string();
     }