From d92a5007b60e0af7d071ae4da7a2b79c5f4de544 Mon Sep 17 00:00:00 2001
From: Kamil Dudka <kdudka@redhat.com>
Date: Tue, 28 Mar 2023 13:41:57 +0200
Subject: telnet: simplify the implementation of str_is_nonascii()

There is no need to traverse the string twice.

Closes #10852
---
 lib/telnet.c | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/lib/telnet.c b/lib/telnet.c
index e4ffd853a..0f8483800 100644
--- a/lib/telnet.c
+++ b/lib/telnet.c
@@ -772,12 +772,11 @@ static void printsub(struct Curl_easy *data,
 
 static bool str_is_nonascii(const char *str)
 {
-  size_t len = strlen(str);
-  while(len--) {
-    if(*str & 0x80)
+  char c;
+  while((c = *str++))
+    if(c & 0x80)
       return TRUE;
-    str++;
-  }
+
   return FALSE;
 }
 
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