* mu: add mu-cmd-guile (preparation)

mu/mu-cmd-guile.c

@@ -0,0 +1,47 @@
+/* -*-mode: c; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*-*/
+
+/*
+** Copyright (C) 2012 Dirk-Jan C. Binnema <djcb@djcbsoftware.nl>
+**
+** 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 3, 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.
+**
+*/
+
+#if HAVE_CONFIG_H
+#include "config.h"
+#endif /*HAVE_CONFIG_H*/
+
+#include <stdlib.h>
+#include <string.h>
+
+#include "mu-cmd.h"
+#include "mu-util.h"
+
+
+MuError
+mu_cmd_stats (MuConfig *opts, GError **err)
+{
+	g_return_val_if_fail (opts, MU_ERROR_INTERNAL);
+	g_return_val_if_fail (opts->cmd == MU_CONFIG_CMD_STATS,
+			      MU_ERROR_INTERNAL);
+
+	if (!mu_util_supports (MU_FEATURE_GUILE | MU_FEATURE_GNUPLOT)) {
+		mu_util_g_set_error (err, MU_ERROR_IN_PARAMETERS,
+				     "the 'stats' command is not supported");
+		return MU_ERROR_IN_PARAMETERS;
+	}
+
+	return MU_OK;
+}