Remove Redirect and PermanentRedirect functions

Use (*ResponseWriter).WriteHeader instead.

examples/auth.go

@@ -70,7 +70,7 @@ func login(w *gemini.ResponseWriter, r *gemini.Request) {
 	sessions[fingerprint] = &session{
 		username: username,
 	}
-	gemini.Redirect(w, "/password")
+	w.WriteHeader(gemini.StatusRedirect, "/password")
 }
 
 func loginPassword(w *gemini.ResponseWriter, r *gemini.Request) {
@@ -91,7 +91,7 @@ func loginPassword(w *gemini.ResponseWriter, r *gemini.Request) {
 	expected := logins[session.username].password
 	if password == expected {
 		session.authorized = true
-		gemini.Redirect(w, "/profile")
+		w.WriteHeader(gemini.StatusRedirect, "/profile")
 	} else {
 		gemini.SensitiveInput(w, r, "Wrong password. Try again")
 	}

mux.go

@@ -138,14 +138,14 @@ func (mux *ServeMux) Respond(w *ResponseWriter, r *Request) {
 	// If the given path is /tree and its handler is not registered,
 	// redirect for /tree/.
 	if u, ok := mux.redirectToPathSlash(path, r.URL); ok {
-		Redirect(w, u.String())
+		w.WriteHeader(StatusRedirect, u.String())
 		return
 	}
 
 	if path != r.URL.Path {
 		u := *r.URL
 		u.Path = path
-		Redirect(w, u.String())
+		w.WriteHeader(StatusRedirect, u.String())
 		return
 	}
 

server.go

@@ -319,16 +319,6 @@ func SensitiveInput(w *ResponseWriter, r *Request, prompt string) (string, bool)
 	return "", false
 }
 
-// Redirect replies to the request with a redirect to the given URL.
-func Redirect(w *ResponseWriter, url string) {
-	w.WriteHeader(StatusRedirect, url)
-}
-
-// PermanentRedirect replies to the request with a permanent redirect to the given URL.
-func PermanentRedirect(w *ResponseWriter, url string) {
-	w.WriteHeader(StatusRedirectPermanent, url)
-}
-
 // Certificate returns the request certificate. If one is not provided,
 // it returns nil and responds with StatusCertificateRequired.
 func Certificate(w *ResponseWriter, r *Request) (*x509.Certificate, bool) {

status.go

@@ -8,7 +8,7 @@ const (
 	StatusSensitiveInput           Status = 11
 	StatusSuccess                  Status = 20
 	StatusRedirect                 Status = 30
-	StatusRedirectPermanent        Status = 31
+	StatusPermanentRedirect        Status = 31
 	StatusTemporaryFailure         Status = 40
 	StatusServerUnavailable        Status = 41
 	StatusCGIError                 Status = 42
@@ -52,7 +52,7 @@ func (s Status) Message() string {
 		return "Success"
 	case StatusRedirect:
 		return "Redirect"
-	case StatusRedirectPermanent:
+	case StatusPermanentRedirect:
 		return "Permanent redirect"
 	case StatusTemporaryFailure:
 		return "Temporary failure"