1 files changed, 67 insertions, 0 deletions
diff --git a/src/config/Param.hxx b/src/config/Param.hxx
new file mode 100644
index 000000000..e6a039c2a
--- /dev/null
+++ b/src/config/Param.hxx
@@ -0,0 +1,67 @@
+/*
+ * Copyright (C) 2003-2015 The Music Player Daemon Project
+ * http://www.musicpd.org
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#ifndef MPD_CONFIG_PARAM_HXX
+#define MPD_CONFIG_PARAM_HXX
+
+#include "check.h"
+#include "Compiler.h"
+
+#include <string>
+
+struct config_param {
+	/**
+	 * The next config_param with the same name.  The destructor
+	 * deletes the whole chain.
+	 */
+	struct config_param *next;
+
+	std::string value;
+
+	int line;
+
+	/**
+	 * This flag is false when nobody has queried the value of
+	 * this option yet.
+	 */
+	bool used;
+
+	explicit config_param(int _line=-1)
+		:next(nullptr), line(_line), used(false) {}
+
+	gcc_nonnull_all
+	config_param(const char *_value, int _line=-1);
+
+	config_param(const config_param &) = delete;
+
+	~config_param();
+
+	config_param &operator=(const config_param &) = delete;
+
+	/**
+	 * Determine if this is a "null" instance, i.e. an empty
+	 * object that was synthesized and not loaded from a
+	 * configuration file.
+	 */
+	bool IsNull() const {
+		return line < 0;
+	}
+};
+
+#endif