DragonOS-Community/DragonOS
1
1
Fork 0
mirror of https://github.com/DragonOS-Community/DragonOS.git synced 2025-06-09 19:36:47 +00:00
Code Issues Releases Wiki Activity

🆕 strlen函数

Browse Source
This commit is contained in:
fslongjin 2022-01-22 22:56:23 +08:00
parent df7b3a3716
commit a79315a31c
1 changed files with 10 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
kernel/glib.h
View File

@ -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;
}