From 1106323ae116cea13b65a00ae4ee0854ba8577e5 Mon Sep 17 00:00:00 2001
From: Li Heng <562653799@qq.com>
Date: Tue, 28 Oct 2025 10:59:56 +0800
Subject: [PATCH] rust/sip: delete redundant computing codes

Delete call of is_alphanumeric where is_alphanumeric and
is_token_char are called together. Four places are modified.

Ticket: 8003
---
 rust/src/sip/parser.rs | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/rust/src/sip/parser.rs b/rust/src/sip/parser.rs
index ae312dcc31..9c1e926357 100644
--- a/rust/src/sip/parser.rs
+++ b/rust/src/sip/parser.rs
@@ -75,7 +75,7 @@ fn is_method_char(b: u8) -> bool {
 
 #[inline]
 fn is_request_uri_char(b: u8) -> bool {
-    b.is_alphanum() || is_token_char(b) || b"~#@:;=?+&$,/".contains(&b)
+    is_token_char(b) || b"~#@:;=?+&$,/".contains(&b)
 }
 
 #[inline]
@@ -85,15 +85,15 @@ fn is_version_char(b: u8) -> bool {
 
 #[inline]
 fn is_reason_phrase(b: u8) -> bool {
-    b.is_alphanum() || is_token_char(b) || b"$&(),/:;=?@[\\]^ ".contains(&b)
+    is_token_char(b) || b"$&(),/:;=?@[\\]^ ".contains(&b)
 }
 
 fn is_header_name(b: u8) -> bool {
-    b.is_alphanum() || is_token_char(b)
+    is_token_char(b)
 }
 
 fn is_header_value(b: u8) -> bool {
-    b.is_alphanum() || is_token_char(b) || b"\"#$&(),/;:<=>?@[]{}()^|~\\\t\n\r ".contains(&b)
+    is_token_char(b) || b"\"#$&(),/;:<=>?@[]{}()^|~\\\t\n\r ".contains(&b)
 }
 
 fn expand_header_name(h: &str) -> &str {