From 7ea1cdb7d31f00024f5a1d124b42cd19a03b959a Mon Sep 17 00:00:00 2001
From: Nicholas <nbnoll@eml.cc>
Date: Wed, 10 Nov 2021 20:12:45 -0800
Subject: chore: libunicode -> libutf

---
 sys/libutf/len.c | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)
 create mode 100644 sys/libutf/len.c

(limited to 'sys/libutf/len.c')

diff --git a/sys/libutf/len.c b/sys/libutf/len.c
new file mode 100644
index 0000000..8fbd679
--- /dev/null
+++ b/sys/libutf/len.c
@@ -0,0 +1,21 @@
+#include "internal.h"
+
+int
+utf8·len(char *s)
+{
+    int c;
+    long n;
+    rune r;
+
+    n = 0;
+    for(;;){
+        c = *(uchar*)s;
+        if(c < Tx){
+            if(c == 0)
+                return n;
+            s++;
+        }else
+            s += utf8·decode(s, &r);
+        n++;
+    }
+}
-- 
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