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authorMaxim Yurchuk <maxim-yurchuk@ydb.tech>2024-10-18 20:31:38 +0300
committerGitHub <noreply@github.com>2024-10-18 20:31:38 +0300
commit2a74bac2d2d3bccb4e10120f1ead805640ec9dd0 (patch)
tree047e4818ced5aaf73f58517629e5260b5291f9f0 /contrib/libs/curl/lib/llist.c
parent2d9656823e9521d8c29ea4c9a1d0eab78391abfc (diff)
parent3d834a1923bbf9403cd4a448e7f32b670aa4124f (diff)
downloadydb-2a74bac2d2d3bccb4e10120f1ead805640ec9dd0.tar.gz
Merge pull request #10502 from ydb-platform/mergelibs-241016-1210
Library import 241016-1210
Diffstat (limited to 'contrib/libs/curl/lib/llist.c')
-rw-r--r--contrib/libs/curl/lib/llist.c212
1 files changed, 46 insertions, 166 deletions
diff --git a/contrib/libs/curl/lib/llist.c b/contrib/libs/curl/lib/llist.c
index 7e19cd5095..5b6b0336da 100644
--- a/contrib/libs/curl/lib/llist.c
+++ b/contrib/libs/curl/lib/llist.c
@@ -32,34 +32,16 @@
/* this must be the last include file */
#include "memdebug.h"
-#define LLISTINIT 0x100cc001 /* random pattern */
-#define NODEINIT 0x12344321 /* random pattern */
-#define NODEREM 0x54321012 /* random pattern */
-
-
-#ifdef DEBUGBUILD
-#define VERIFYNODE(x) verifynode(x)
-static struct Curl_llist_node *verifynode(struct Curl_llist_node *n)
-{
- DEBUGASSERT(!n || (n->_init == NODEINIT));
- return n;
-}
-#else
-#define VERIFYNODE(x) x
-#endif
/*
* @unittest: 1300
*/
void
Curl_llist_init(struct Curl_llist *l, Curl_llist_dtor dtor)
{
- l->_size = 0;
- l->_dtor = dtor;
- l->_head = NULL;
- l->_tail = NULL;
-#ifdef DEBUGBUILD
- l->_init = LLISTINIT;
-#endif
+ l->size = 0;
+ l->dtor = dtor;
+ l->head = NULL;
+ l->tail = NULL;
}
/*
@@ -74,193 +56,91 @@ Curl_llist_init(struct Curl_llist *l, Curl_llist_dtor dtor)
* @unittest: 1300
*/
void
-Curl_llist_insert_next(struct Curl_llist *list,
- struct Curl_llist_node *e, /* may be NULL */
+Curl_llist_insert_next(struct Curl_llist *list, struct Curl_llist_element *e,
const void *p,
- struct Curl_llist_node *ne)
+ struct Curl_llist_element *ne)
{
- DEBUGASSERT(list);
- DEBUGASSERT(list->_init == LLISTINIT);
- DEBUGASSERT(ne);
-
-#ifdef DEBUGBUILD
- ne->_init = NODEINIT;
-#endif
- ne->_ptr = (void *) p;
- ne->_list = list;
- if(list->_size == 0) {
- list->_head = ne;
- list->_head->_prev = NULL;
- list->_head->_next = NULL;
- list->_tail = ne;
+ ne->ptr = (void *) p;
+ if(list->size == 0) {
+ list->head = ne;
+ list->head->prev = NULL;
+ list->head->next = NULL;
+ list->tail = ne;
}
else {
/* if 'e' is NULL here, we insert the new element first in the list */
- ne->_next = e?e->_next:list->_head;
- ne->_prev = e;
+ ne->next = e?e->next:list->head;
+ ne->prev = e;
if(!e) {
- list->_head->_prev = ne;
- list->_head = ne;
+ list->head->prev = ne;
+ list->head = ne;
}
- else if(e->_next) {
- e->_next->_prev = ne;
+ else if(e->next) {
+ e->next->prev = ne;
}
else {
- list->_tail = ne;
+ list->tail = ne;
}
if(e)
- e->_next = ne;
+ e->next = ne;
}
- ++list->_size;
-}
-
-/*
- * Curl_llist_append()
- *
- * Adds a new list element to the end of the list.
- *
- * The 'ne' argument should be a pointer into the object to store.
- *
- * @unittest: 1300
- */
-void
-Curl_llist_append(struct Curl_llist *list, const void *p,
- struct Curl_llist_node *ne)
-{
- DEBUGASSERT(list);
- DEBUGASSERT(list->_init == LLISTINIT);
- DEBUGASSERT(ne);
- Curl_llist_insert_next(list, list->_tail, p, ne);
+ ++list->size;
}
/*
* @unittest: 1300
*/
void
-Curl_node_uremove(struct Curl_llist_node *e, void *user)
+Curl_llist_remove(struct Curl_llist *list, struct Curl_llist_element *e,
+ void *user)
{
void *ptr;
- struct Curl_llist *list;
- if(!e)
+ if(!e || list->size == 0)
return;
- list = e->_list;
- DEBUGASSERT(list);
- DEBUGASSERT(list->_init == LLISTINIT);
- DEBUGASSERT(list->_size);
- DEBUGASSERT(e->_init == NODEINIT);
- if(e == list->_head) {
- list->_head = e->_next;
+ if(e == list->head) {
+ list->head = e->next;
- if(!list->_head)
- list->_tail = NULL;
+ if(!list->head)
+ list->tail = NULL;
else
- e->_next->_prev = NULL;
+ e->next->prev = NULL;
}
else {
- if(e->_prev)
- e->_prev->_next = e->_next;
+ if(e->prev)
+ e->prev->next = e->next;
- if(!e->_next)
- list->_tail = e->_prev;
+ if(!e->next)
+ list->tail = e->prev;
else
- e->_next->_prev = e->_prev;
+ e->next->prev = e->prev;
}
- ptr = e->_ptr;
+ ptr = e->ptr;
- e->_list = NULL;
- e->_ptr = NULL;
- e->_prev = NULL;
- e->_next = NULL;
-#ifdef DEBUGBUILD
- e->_init = NODEREM; /* specific pattern on remove - not zero */
-#endif
+ e->ptr = NULL;
+ e->prev = NULL;
+ e->next = NULL;
- --list->_size;
+ --list->size;
/* call the dtor() last for when it actually frees the 'e' memory itself */
- if(list->_dtor)
- list->_dtor(user, ptr);
-}
-
-void Curl_node_remove(struct Curl_llist_node *e)
-{
- Curl_node_uremove(e, NULL);
+ if(list->dtor)
+ list->dtor(user, ptr);
}
void
Curl_llist_destroy(struct Curl_llist *list, void *user)
{
if(list) {
- DEBUGASSERT(list->_init == LLISTINIT);
- while(list->_size > 0)
- Curl_node_uremove(list->_tail, user);
+ while(list->size > 0)
+ Curl_llist_remove(list, list->tail, user);
}
}
-/* Curl_llist_head() returns the first 'struct Curl_llist_node *', which
- might be NULL */
-struct Curl_llist_node *Curl_llist_head(struct Curl_llist *list)
-{
- DEBUGASSERT(list);
- DEBUGASSERT(list->_init == LLISTINIT);
- return VERIFYNODE(list->_head);
-}
-
-#ifdef UNITTESTS
-/* Curl_llist_tail() returns the last 'struct Curl_llist_node *', which
- might be NULL */
-struct Curl_llist_node *Curl_llist_tail(struct Curl_llist *list)
-{
- DEBUGASSERT(list);
- DEBUGASSERT(list->_init == LLISTINIT);
- return VERIFYNODE(list->_tail);
-}
-#endif
-
-/* Curl_llist_count() returns a size_t the number of nodes in the list */
-size_t Curl_llist_count(struct Curl_llist *list)
-{
- DEBUGASSERT(list);
- DEBUGASSERT(list->_init == LLISTINIT);
- return list->_size;
-}
-
-/* Curl_node_elem() returns the custom data from a Curl_llist_node */
-void *Curl_node_elem(struct Curl_llist_node *n)
-{
- DEBUGASSERT(n);
- DEBUGASSERT(n->_init == NODEINIT);
- return n->_ptr;
-}
-
-/* Curl_node_next() returns the next element in a list from a given
- Curl_llist_node */
-struct Curl_llist_node *Curl_node_next(struct Curl_llist_node *n)
-{
- DEBUGASSERT(n);
- DEBUGASSERT(n->_init == NODEINIT);
- return VERIFYNODE(n->_next);
-}
-
-#ifdef UNITTESTS
-
-/* Curl_node_prev() returns the previous element in a list from a given
- Curl_llist_node */
-struct Curl_llist_node *Curl_node_prev(struct Curl_llist_node *n)
-{
- DEBUGASSERT(n);
- DEBUGASSERT(n->_init == NODEINIT);
- return VERIFYNODE(n->_prev);
-}
-
-#endif
-
-struct Curl_llist *Curl_node_llist(struct Curl_llist_node *n)
+size_t
+Curl_llist_count(struct Curl_llist *list)
{
- DEBUGASSERT(n);
- DEBUGASSERT(!n->_list || n->_init == NODEINIT);
- return n->_list;
+ return list->size;
}