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-rw-r--r--crypt.c18
1 files changed, 18 insertions, 0 deletions
diff --git a/crypt.c b/crypt.c
index 48c8bd2..3d81bda 100644
--- a/crypt.c
+++ b/crypt.c
@@ -1,3 +1,21 @@
+/**
+ * Copyright (C) 2015--2017, 2020--2021 Tom Ryder <tom@sanctum.geek.nz>
+ *
+ * This file is part of crypt.
+ *
+ * crypt 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.
+ *
+ * crypt 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
+ * crypt. If not, see <https://www.gnu.org/licenses/>.
+ */
+
#define _XOPEN_SOURCE
#include <assert.h>
#include <errno.h>