1 files changed, 5 insertions, 0 deletions
diff --git a/git2d/utf8.c b/git2d/utf8.c
index 2937cb6..27c7a22 100644
--- a/git2d/utf8.c
+++ b/git2d/utf8.c
@@ -1,3 +1,8 @@
+/*-
+ * SPDX-License-Identifier: AGPL-3.0-only
+ * SPDX-FileCopyrightText: Copyright (c) 2025 Runxi Yu <https://runxiyu.org>
+ */
+
 #include "utf8.h"
 
 extern inline void *utf8_decode(void *buf, uint32_t *c, int *e);