Initial QSfera import

Desktop/src/libsync/xattr.h

@@ -0,0 +1,23 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+// SPDX-FileCopyrightText: 2025 Hannah von Reth <h.vonreth@opencloud.eu>
+
+#pragma once
+
+#include "libsync/common/result.h"
+#include "libsync/qsferasynclib.h"
+
+#include <filesystem>
+#include <optional>
+
+#include <QString>
+
+namespace OCC {
+namespace FileSystem {
+    namespace Xattr {
+        QSFERA_SYNC_EXPORT bool supportsxattr(const std::filesystem::path &path);
+        QSFERA_SYNC_EXPORT std::optional<QByteArray> getxattr(const std::filesystem::path &path, const QString &name);
+        QSFERA_SYNC_EXPORT Result<void, QString> setxattr(const std::filesystem::path &path, const QString &name, const QByteArray &value);
+        QSFERA_SYNC_EXPORT Result<void, QString> removexattr(const std::filesystem::path &path, const QString &name);
+    }
+}
+}