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

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maebex 2024-03-30 10:42:22 +01:00 committed by Alan Wang
parent 5437b79086
commit 1ac905d3b2
1 changed files with 8 additions and 0 deletions
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8
cJSON.c
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@ -235,10 +235,12 @@ 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;
@ -820,6 +822,7 @@ fail:
if (output != NULL)
{
input_buffer->hooks.deallocate(output);
output = NULL;
}
if (input_pointer != NULL)
@ -1165,6 +1168,7 @@ 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;
@ -1173,11 +1177,13 @@ fail:
if (buffer->buffer != NULL)
{
hooks->deallocate(buffer->buffer);
buffer->buffer = NULL;
}
if (printed != NULL)
{
hooks->deallocate(printed);
printed = NULL;
}
return NULL;
@ -1218,6 +1224,7 @@ 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;
}
@ -2987,4 +2994,5 @@ CJSON_PUBLIC(void *) cJSON_malloc(size_t size)
CJSON_PUBLIC(void) cJSON_free(void *object)
{
global_hooks.deallocate(object);
object = NULL;
}