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[client] ll: add new functionallity to allow removal of items

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This commit is contained in:
Geoffrey McRae
2022-01-12 09:33:36 +11:00
parent 4411d21135
commit ced952a4c6
2 changed files with 82 additions and 37 deletions
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39
client/src/ll.c
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@@ -24,21 +24,6 @@
#include "common/locking.h"
#include <stdlib.h>
struct ll_item
{
void * data;
struct ll_item * next;
};
struct ll
{
struct ll_item * head;
struct ll_item * tail;
struct ll_item * pos;
unsigned int count;
LG_Lock lock;
};
struct ll * ll_new(void)
{
struct ll * list = malloc(sizeof(*list));
@@ -70,14 +55,18 @@ void ll_push(struct ll * list, void * data)
if (!list->head)
{
item->prev = NULL;
list->head = item;
list->tail = item;
LG_UNLOCK(list->lock);
return;
}
item->prev = list->tail;
list->tail->next = item;
list->tail = item;
LG_UNLOCK(list->lock);
}
@@ -90,13 +79,8 @@ bool ll_shift(struct ll * list, void ** data)
return false;
}
--list->count;
struct ll_item * item = list->head;
list->head = item->next;
list->pos = NULL;
if (list->tail == item)
list->tail = NULL;
ll_removeNL(list, item);
LG_UNLOCK(list->lock);
if (data)
@@ -136,19 +120,6 @@ bool ll_peek_tail(struct ll * list, void ** data)
return true;
}
unsigned int ll_count(struct ll * list)
{
return list->count;
}
void ll_reset (struct ll * list)
{
LG_LOCK(list->lock);
list->pos = NULL;
LG_UNLOCK(list->lock);
}
bool ll_walk(struct ll * list, void ** data)
{
LG_LOCK(list->lock);