Refactor out gnutls-trustfiles

* lisp/net/gnutls.el (gnutls-trustfiles): Refactor out for reuse by tls.el.

1 files changed, 9 insertions, 6 deletions

diff --git a/lisp/net/gnutls.el b/lisp/net/gnutls.el
index ccaef8aafac..a7321da854c 100644
--- a/lisp/net/gnutls.el
+++ b/lisp/net/gnutls.el
@@ -193,12 +193,7 @@ defaults to GNUTLS_VERIFY_ALLOW_X509_V1_CA_CRT."
          ;; The gnutls library doesn't understand files delivered via
          ;; the special handlers, so ignore all files found via those.
          (file-name-handler-alist nil)
-         (trustfiles (or trustfiles
-                         (delq nil
-                               (mapcar (lambda (f) (and f (file-exists-p f) f))
-                                       (if (functionp gnutls-trustfiles)
-                                           (funcall gnutls-trustfiles)
-                                         gnutls-trustfiles)))))
+         (trustfiles (or trustfiles (gnutls-trustfiles)))
          (priority-string (or priority-string
                               (cond
                                ((eq type 'gnutls-anon)
@@ -251,6 +246,14 @@ defaults to GNUTLS_VERIFY_ALLOW_X509_V1_CA_CRT."
 
     process))
 
+(defun gnutls-trustfiles ()
+  "Return a list of usable trustfiles."
+  (delq nil
+        (mapcar (lambda (f) (and f (file-exists-p f) f))
+                (if (functionp gnutls-trustfiles)
+                    (funcall gnutls-trustfiles)
+                  gnutls-trustfiles))))
+
 (declare-function gnutls-error-string "gnutls.c" (error))
 
 (defun gnutls-message-maybe (doit format &rest params)