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Fixing bug in head_list

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This commit is contained in:
Michael Tryby
2019-04-09 18:09:41 -04:00
parent 1fdee6ac7e
commit 07995beda1
3 changed files with 37 additions and 4 deletions
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12
src/util/list.c
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@@ -95,17 +95,23 @@ void for_each_list(list_t *list, listIterator iterator)
}
}
void head_list(list_t *list, void *element, bool removeFromList)
void head_list(list_t *list, void **element, bool removeFromList)
{
assert(list->head != NULL);
listNode *node = list->head;
listNode *node = list->head;
memcpy(element, node->data, list->elementSize);
*element = (void *)malloc(list->elementSize);
memcpy(*element, node->data, list->elementSize);
if(removeFromList) {
list->head = node->next;
list->logicalLength--;
if (list->freeFn) {
list->freeFn(node->data);
}
free(node->data);
free(node);
}

2
src/util/list.h
View File

@@ -76,7 +76,7 @@ void for_each_list(list_t *list, listIterator iterator);
/**
@brief Returns the head of the list (optionally removing it at the same time).
*/
void head_list(list_t *list, void *element, bool removeFromList);
void head_list(list_t *list, void **element, bool removeFromList);
/**
@brief Returns the tail of the list.