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fix: errors in replacing the first item when array_size is 1, and replacing the last item

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miaoerduo 2020-04-03 14:47:49 +08:00 committed by zhaoyu
parent a65abf2f4f
commit cb4661cd91
1 changed files with 8 additions and 0 deletions
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8
cJSON.c
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@ -2313,6 +2313,10 @@ CJSON_PUBLIC(cJSON_bool) cJSON_ReplaceItemViaPointer(cJSON * const parent, cJSON
} }
if (parent->child == item) if (parent->child == item)
{ {
if (parent->child->prev == parent->child)
{
replacement->prev = replacement;
}
parent->child = replacement; parent->child = replacement;
} }
else else
@ -2324,6 +2328,10 @@ CJSON_PUBLIC(cJSON_bool) cJSON_ReplaceItemViaPointer(cJSON * const parent, cJSON
{ {
replacement->prev->next = replacement; replacement->prev->next = replacement;
} }
if (replacement->next == NULL)
{
parent->child->prev = replacement;
}
} }
item->next = NULL; item->next = NULL;