1 files changed, 40 insertions, 0 deletions
diff --git a/src/mds-echo.h b/src/mds-echo.h
new file mode 100644
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--- /dev/null
+++ b/src/mds-echo.h
@@ -0,0 +1,40 @@
+/**
+ * mds — A micro-display server
+ * Copyright © 2014  Mattias Andrée (maandree@member.fsf.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 3 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, see <http://www.gnu.org/licenses/>.
+ */
+#ifndef MDS_MDS_ECHO_H
+#define MDS_MDS_ECHO_H
+
+
+#include "mds-base.h"
+
+
+/**
+ * Echo the received message
+ * 
+ * @return  Non-zero on error or interruption, errno will be
+ *          set accordingly. Destroy the message on error,
+ *          be aware that the reading could have been
+ *          interrupted by a signal rather than canonical error.
+ *          If -2 is returned errno will not have been set,
+ *          -2 indicates that the message is malformated,
+ *          which is a state that cannot be recovered from.
+ */
+int echo_message(void);
+
+
+#endif
+