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llist: removed unused Curl_llist_move()

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(and the corresponding unit test)

Closes #4842
This commit is contained in:
Daniel Stenberg 2020-01-23 09:15:39 +01:00
parent 7745000338
commit c0d7b05c41
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GPG Key ID: 5CC908FDB71E12C2
3 changed files with 3 additions and 107 deletions
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53
lib/llist.c
View File

@ -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;
}

5
lib/llist.h
View File

@ -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 */

52
tests/unit/unit1300.c
View File

@ -5,7 +5,7 @@
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
* Copyright (C) 1998 - 2018, 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
@ -54,7 +54,6 @@ UNITTEST_START
struct curl_llist_element case2_list;
struct curl_llist_element case3_list;
struct curl_llist_element case4_list;
struct curl_llist_element case5_list;
struct curl_llist_element *head;
struct curl_llist_element *element_next;
struct curl_llist_element *element_prev;
@ -216,55 +215,6 @@ UNITTEST_START
fail_unless(llist.tail == NULL,
"llist tail is not NULL while the llist is empty");
/* @testing Curl_llist_move(struct curl_llist *,
* struct curl_llist_element *, struct curl_llist *,
* struct curl_llist_element *);
*/
/**
* @case 1:
* moving head from an llist containing one element to an empty llist
* @assumptions:
* 1: llist size will be 0
* 2: llist_destination size will be 1
* 3: llist head will be NULL
* 4: llist_destination head == llist_destination tail != NULL
*/
/*
* @setup
* add one element to the list
*/
Curl_llist_insert_next(&llist, llist.head, &unusedData_case1,
&case5_list);
/* necessary assertions */
abort_unless(Curl_llist_count(&llist) == 1,
"Number of list elements is not as expected, Aborting");
abort_unless(Curl_llist_count(&llist_destination) == 0,
"Number of list elements is not as expected, Aborting");
/*actual testing code*/
Curl_llist_move(&llist, llist.head, &llist_destination, NULL);
fail_unless(Curl_llist_count(&llist) == 0,
"moving element from llist didn't decrement the size");
fail_unless(Curl_llist_count(&llist_destination) == 1,
"moving element to llist_destination didn't increment the size");
fail_unless(llist.head == NULL,
"llist head not set to null after moving the head");
fail_unless(llist_destination.head != NULL,
"llist_destination head set to null after moving an element");
fail_unless(llist_destination.tail != NULL,
"llist_destination tail set to null after moving an element");
fail_unless(llist_destination.tail == llist_destination.head,
"llist_destination tail doesn't equal llist_destination head");
Curl_llist_destroy(&llist, NULL);
Curl_llist_destroy(&llist_destination, NULL);
}