From e90b72ec3082588b296956730bd2930cf8d5d671 Mon Sep 17 00:00:00 2001
From: Richard Qin <richard.qin.x@gmail.com>
Date: Fri, 10 Jul 2026 11:31:46 +0800
Subject: refactor: promote new architecture to repository root

Archive the deprecated implementation under lume-legacy, make the new kernel the default root-level build, and update repository entry points without changing kernel behavior.
---
 lib/string/strnlen.c | 10 ++++++++++
 1 file changed, 10 insertions(+)
 create mode 100644 lib/string/strnlen.c

(limited to 'lib/string/strnlen.c')

diff --git a/lib/string/strnlen.c b/lib/string/strnlen.c
new file mode 100644
index 0000000..8931c52
--- /dev/null
+++ b/lib/string/strnlen.c
@@ -0,0 +1,10 @@
+/* SPDX-License-Identifier: MIT */
+/* Derived from musl libc (Copyright © 2005-2020 Rich Felker, et al.) */
+
+#include <string.h>
+
+size_t strnlen(const char *s, size_t n)
+{
+	const char *p = memchr(s, 0, n);
+	return p ? p-s : n;
+}
-- 
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