tree: introduce header file for output

The file contains only one macro right now. But it's more convenient
if the header with the appropriate name will do output routines.

This is one of the steps on the way to get rid of errprint_*() macros
and handle errors by yourself. For more context see other patches
under the same topic specified below.

TOPIC=drop_errprint

1 files changed, 26 insertions, 0 deletions

diff --git a/src/output.h b/src/output.h
new file mode 100644
index 0000000..3be5f59
--- /dev/null
+++ b/src/output.h
@@ -0,0 +1,26 @@
+#ifndef LPASS_OUTPUT_H
+#define LPASS_OUTPUT_H
+
+/***
+	This file is part of LockPassword
+	Copyright (C) 2022 Aleksandr D. Goncharov (Joursoir) <chat@joursoir.net>
+
+	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 <https://www.gnu.org/licenses/>.
+***/
+
+#include <stdio.h>
+
+#define print_error(...)	fprintf(stderr, __VA_ARGS__)
+
+#endif /* LPASS_OUTPUT_H */