Function validate_jsmn_datum

common/json_parse_simple.c:322–380

		       bool *valid);

static const jsmntok_t *
validate_jsmn_datum(const char *buf,
		    const jsmntok_t *p,
		    const jsmntok_t *end,
		    bool *valid)
{
	int i;
	int sz;

	if (p >= end) {
		*valid = false;
		return p;
	}

	switch (p->type) {
	case JSMN_STRING:
		if (!utf8_check(buf + p->start, p->end - p->start))
			*valid = false;
		/* Fall thru */
	case JSMN_UNDEFINED:
	case JSMN_PRIMITIVE:
		/* These types should not have sub-datums.  */
		if (p->size != 0)
			*valid = false;
		else
			++p;
		break;

	case JSMN_ARRAY:
		/* Save the array size; we will advance p.  */
		sz = p->size;
		++p;
		for (i = 0; i < sz; ++i) {
			/* Arrays should only contain standard JSON datums.  */
			p = validate_jsmn_datum(buf, p, end, valid);
			if (!*valid)
				break;
		}
		break;

	case JSMN_OBJECT:
		/* Save the object size; we will advance p.  */
		sz = p->size;
		++p;
		for (i = 0; i < sz; ++i) {
			/* Objects should only contain key-value pairs.  */
			p = validate_jsmn_keyvalue(buf, p, end, valid);
			if (!*valid)
				break;
		}
		break;

	default:
		*valid = false;
		break;
	}

	return p;