From a79315a31cf1722f4cd13b4191ac4bfd3faf7c6f Mon Sep 17 00:00:00 2001
From: fslongjin <fslongjin@vip.qq.com>
Date: Sat, 22 Jan 2022 22:56:23 +0800
Subject: [PATCH] =?UTF-8?q?:new:=20strlen=E5=87=BD=E6=95=B0?=
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---
 kernel/glib.h | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/kernel/glib.h b/kernel/glib.h
index f51ef5a9..0c459b32 100644
--- a/kernel/glib.h
+++ b/kernel/glib.h
@@ -86,3 +86,13 @@ static inline bool list_empty(struct List* entry)
     else return false;
 }
 
+//计算字符串的长度（经过测试，该版本比采用repne/scasb汇编的运行速度快16.8%左右）
+static inline int strlen(char* s)
+{
+    register int __res = 0;
+    while (s[__res] != '\0')
+    {
+        ++__res;
+    }
+    return __res;
+}