socks.el: remove pre-21 compatibility code

* lisp/net/socks.el (socks-split-string): Remove.
(socks-nslookup-host): Just use split-string.

1 files changed, 1 insertions, 17 deletions

diff --git a/lisp/net/socks.el b/lisp/net/socks.el
index 32362e25434..1c2459a8e65 100644
--- a/lisp/net/socks.el
+++ b/lisp/net/socks.el
@@ -36,22 +36,6 @@
   (require 'wid-edit))
 (require 'custom)
 
-(eval-and-compile
-  (if (featurep 'emacs)
-      (defalias 'socks-split-string 'split-string) ; since at least 21.1
-    (if (fboundp 'split-string)
-        (defalias 'socks-split-string 'split-string)
-      (defun socks-split-string (string &optional pattern)
-        "Return a list of substrings of STRING which are separated by PATTERN.
-If PATTERN is omitted, it defaults to \"[ \\f\\t\\n\\r\\v]+\"."
-        (or pattern
-            (setq pattern "[ \f\t\n\r\v]+"))
-        (let (parts (start 0))
-          (while (string-match pattern string start)
-            (setq parts (cons (substring string start
-                                         (match-beginning 0)) parts)
-                  start (match-end 0)))
-          (nreverse (cons (substring string start) parts)))))))
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 ;;; Custom widgets
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
@@ -652,7 +636,7 @@ version.")
                 (setq res (buffer-substring (match-beginning 2)
                                             (match-end 2))
                       res (mapcar 'string-to-number
-                                  (socks-split-string res "\\.")))))
+                                  (split-string res "\\.")))))
           (kill-buffer (current-buffer)))
         res)
     host))