--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/common/path.h	Mon Feb 08 16:43:14 2016 +0100
@@ -0,0 +1,100 @@
+/*
+ * path.h -- special paths inside irccd
+ *
+ * Copyright (c) 2013-2016 David Demelier <markand@malikania.fr>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef _IRCCD_PATH_H_
+#define _IRCCD_PATH_H_
+
+#include <string>
+#include <vector>
+
+namespace irccd {
+
+namespace path {
+
+/**
+ * PATH separator, either : or ;.
+ */
+extern const char Separator;
+
+/**
+ * @enum Path
+ * @brief Which special path to get
+ */
+enum Path {
+	PathConfig,			//!< Configuration files
+	PathData,			//!< Data directory
+	PathCache,			//!< Cache files
+	PathPlugins			//!< Path to the plugins
+};
+
+/**
+ * @enum Owner
+ * @brief For paths, get the installation path or the user ones
+ */
+enum Owner {
+	OwnerSystem,			//!< System wide
+	OwnerUser			//!< User
+};
+
+/**
+ * This function must be called before at the beginning of the main.
+ *
+ * It use system dependant program path lookup if available and fallbacks to the path given as argument if any failure
+ * was encoutered.
+ *
+ * @param argv0 the path to the executable (argv[0])
+ */
+void setApplicationPath(const std::string &argv0);
+
+/**
+ * Clean a path by removing any extra / or \ and add a trailing one.
+ *
+ * @param path the path
+ * @return the updated path
+ */
+std::string clean(std::string path);
+
+/**
+ * Generic function for path retrievement.
+ *
+ * The path is always terminated by a trailing / or \\.
+ *
+ * @pre setApplicationPath must have been called
+ * @param path the type of path
+ * @param owner system or user wide
+ * @return the path
+ */
+std::string get(Path path, Owner owner);
+
+/**
+ * Generic function for multiple paths.
+ *
+ * This function will add more directories than pathSystem*() and pathUser*() functions, for example
+ * it will add some path if irccd is relocatable.
+ *
+ * @pre setApplicationPath must have been called
+ * @param path the type of path
+ * @return the list of preferred directories in order
+ */
+std::vector<std::string> list(Path path);
+
+} // !path
+
+} // !irccd
+
+#endif // !_IRCCD_PATH_H_