llist: removed unused Curl_llist_move()

(and the corresponding unit test)

Closes #4842

2 files changed, 2 insertions, 56 deletions

diff --git a/lib/llist.c b/lib/llist.c
index f8769c2af..e7c6f51dc 100644
--- a/lib/llist.c
+++ b/lib/llist.c
@@ -5,7 +5,7 @@
  *                            | (__| |_| |  _ <| |___
  *                             \___|\___/|_| \_\_____|
  *
- * Copyright (C) 1998 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
+ * Copyright (C) 1998 - 2020, Daniel Stenberg, <daniel@haxx.se>, et al.
  *
  * This software is licensed as described in the file COPYING, which
  * you should have received as part of this distribution. The terms
@@ -144,54 +144,3 @@ Curl_llist_count(struct curl_llist *list)
 {
   return list->size;
 }
-
-/*
- * @unittest: 1300
- */
-void Curl_llist_move(struct curl_llist *list, struct curl_llist_element *e,
-                     struct curl_llist *to_list,
-                     struct curl_llist_element *to_e)
-{
-  /* Remove element from list */
-  if(e == NULL || list->size == 0)
-    return;
-
-  if(e == list->head) {
-    list->head = e->next;
-
-    if(list->head == NULL)
-      list->tail = NULL;
-    else
-      e->next->prev = NULL;
-  }
-  else {
-    e->prev->next = e->next;
-    if(!e->next)
-      list->tail = e->prev;
-    else
-      e->next->prev = e->prev;
-  }
-
-  --list->size;
-
-  /* Add element to to_list after to_e */
-  if(to_list->size == 0) {
-    to_list->head = e;
-    to_list->head->prev = NULL;
-    to_list->head->next = NULL;
-    to_list->tail = e;
-  }
-  else {
-    e->next = to_e->next;
-    e->prev = to_e;
-    if(to_e->next) {
-      to_e->next->prev = e;
-    }
-    else {
-      to_list->tail = e;
-    }
-    to_e->next = e;
-  }
-
-  ++to_list->size;
-}
diff --git a/lib/llist.h b/lib/llist.h
index a5e2ecbfb..0178c4259 100644
--- a/lib/llist.h
+++ b/lib/llist.h
@@ -7,7 +7,7 @@
  *                            | (__| |_| |  _ <| |___
  *                             \___|\___/|_| \_\_____|
  *
- * Copyright (C) 1998 - 2019, Daniel Stenberg, <daniel@haxx.se>, et al.
+ * Copyright (C) 1998 - 2020, Daniel Stenberg, <daniel@haxx.se>, et al.
  *
  * This software is licensed as described in the file COPYING, which
  * you should have received as part of this distribution. The terms
@@ -47,7 +47,4 @@ void Curl_llist_remove(struct curl_llist *, struct curl_llist_element *,
                        void *);
 size_t Curl_llist_count(struct curl_llist *);
 void Curl_llist_destroy(struct curl_llist *, void *);
-void Curl_llist_move(struct curl_llist *, struct curl_llist_element *,
-                     struct curl_llist *, struct curl_llist_element *);
-
 #endif /* HEADER_CURL_LLIST_H */