3party/cJSON
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Merge pull request #456 from miaoerduo/master

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fix: some bugs in detach and replace, resolved #467
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Alan Wang 2020-05-06 17:07:33 +08:00 committed by GitHub
commit a82449fa3e
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1 changed files with 22 additions and 0 deletions
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cJSON.c
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@ -1509,6 +1509,10 @@ static cJSON_bool parse_array(cJSON * const item, parse_buffer * const input_buf
success:
input_buffer->depth--;
if (head != NULL) {
head->prev = current_item;
}
item->type = cJSON_Array;
item->child = head;
@ -1681,6 +1685,10 @@ static cJSON_bool parse_object(cJSON * const item, parse_buffer * const input_bu
success:
input_buffer->depth--;
if (head != NULL) {
head->prev = current_item;
}
item->type = cJSON_Object;
item->child = head;
@ -2202,6 +2210,12 @@ CJSON_PUBLIC(cJSON *) cJSON_DetachItemViaPointer(cJSON *parent, cJSON * const it
/* first element */
parent->child = item->next;
}
else if (item->next == NULL)
{
/* last element */
parent->child->prev = item->prev;
}
/* make sure the detached item doesn't point anywhere anymore */
item->prev = NULL;
item->next = NULL;
@ -2299,6 +2313,10 @@ CJSON_PUBLIC(cJSON_bool) cJSON_ReplaceItemViaPointer(cJSON * const parent, cJSON
}
if (parent->child == item)
{
if (parent->child->prev == parent->child)
{
replacement->prev = replacement;
}
parent->child = replacement;
}
else
@ -2310,6 +2328,10 @@ CJSON_PUBLIC(cJSON_bool) cJSON_ReplaceItemViaPointer(cJSON * const parent, cJSON
{
replacement->prev->next = replacement;
}
if (replacement->next == NULL)
{
parent->child->prev = replacement;
}
}
item->next = NULL;