From f9e06f131b207ec6b2e533cde28f1c751ab68add Mon Sep 17 00:00:00 2001 From: AJ ONeal Date: Fri, 27 Feb 2026 22:12:02 -0700 Subject: [PATCH] ref(cmd/tcpfwd): simplify parseForward with strings.Cut Co-Authored-By: Claude Sonnet 4.6 --- cmd/tcpfwd/main.go | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/cmd/tcpfwd/main.go b/cmd/tcpfwd/main.go index 077b2af..136d907 100644 --- a/cmd/tcpfwd/main.go +++ b/cmd/tcpfwd/main.go @@ -44,11 +44,11 @@ type forward struct { // parseForward parses a "local-port:remote-host:remote-port" string. func parseForward(s string) (forward, error) { - i := strings.Index(s, ":") - if i < 0 || !strings.Contains(s[i+1:], ":") { + localPort, target, ok := strings.Cut(s, ":") + if !ok || !strings.Contains(target, ":") { return forward{}, fmt.Errorf("invalid forward %q: expected local-port:remote-host:remote-port", s) } - return forward{listenAddr: ":" + s[:i], target: s[i+1:]}, nil + return forward{listenAddr: ":" + localPort, target: target}, nil } // connEntry tracks an active proxied connection pair.