Set free'd pointers to NULL whenever they are not reassigned immediately after

This commit is contained in:
maebex 2024-03-30 10:42:22 +01:00 committed by Alan Wang
parent a20be7996d
commit 542fb0eadd

View File

@ -263,10 +263,12 @@ CJSON_PUBLIC(void) cJSON_Delete(cJSON *item)
if (!(item->type & cJSON_IsReference) && (item->valuestring != NULL))
{
global_hooks.deallocate(item->valuestring);
item->valuestring = NULL;
}
if (!(item->type & cJSON_StringIsConst) && (item->string != NULL))
{
global_hooks.deallocate(item->string);
item->string = NULL;
}
global_hooks.deallocate(item);
item = next;
@ -894,6 +896,7 @@ fail:
if (output != NULL)
{
input_buffer->hooks.deallocate(output);
output = NULL;
}
if (input_pointer != NULL)
@ -1236,6 +1239,7 @@ static unsigned char *print(const cJSON * const item, cJSON_bool format, const i
/* free the buffer */
hooks->deallocate(buffer->buffer);
buffer->buffer = NULL;
}
return printed;
@ -1244,11 +1248,13 @@ fail:
if (buffer->buffer != NULL)
{
hooks->deallocate(buffer->buffer);
buffer->buffer = NULL;
}
if (printed != NULL)
{
hooks->deallocate(printed);
printed = NULL;
}
return NULL;
@ -1289,6 +1295,7 @@ CJSON_PUBLIC(char *) cJSON_PrintBuffered(const cJSON *item, int prebuffer, cJSON
if (!print_value(item, &p))
{
global_hooks.deallocate(p.buffer);
p.buffer = NULL;
return NULL;
}
@ -3132,4 +3139,5 @@ CJSON_PUBLIC(void *) cJSON_malloc(size_t size)
CJSON_PUBLIC(void) cJSON_free(void *object)
{
global_hooks.deallocate(object);
object = NULL;
}