Function tr_eval_csv

transformations.c:1487–1608

static csv_record* _tr_csv_list = NULL;

int tr_eval_csv(struct sip_msg *msg, tr_param_t *tp,int subtype,
		pv_value_t *val)
{
	csv_record *cit=NULL;
	int n,i,list_size=0;
	pv_value_t v;

	if (!val)
		return -1;

	if (val->flags & PV_VAL_NULL)
		return 0;

	if (!(val->flags&PV_VAL_STR) || val->rs.len<=0)
		goto error;

	if(_tr_csv_str.len==0 || _tr_csv_str.len!=val->rs.len ||
			strncmp(_tr_csv_str.s, val->rs.s, val->rs.len)!=0)
	{
		if(val->rs.len>_tr_csv_str.len)
		{
			if(_tr_csv_str.s) pkg_free(_tr_csv_str.s);
				_tr_csv_str.s = (char*)pkg_malloc((val->rs.len+1));
			if(_tr_csv_str.s==NULL)
			{
				LM_ERR("no more private memory\n");
				memset(&_tr_csv_str, 0, sizeof(str));
				if(_tr_csv_list != NULL)
				{
					free_csv_record(_tr_csv_list);
					_tr_csv_list = NULL;
				}
				goto error;
			}
		}
		_tr_csv_str.len = val->rs.len;
		memcpy(_tr_csv_str.s, val->rs.s, val->rs.len);
		_tr_csv_str.s[_tr_csv_str.len] = '\0';

		/* reset old values */
		if(_tr_csv_list != NULL)
		{
			free_csv_record(_tr_csv_list);
			_tr_csv_list = NULL;
		}

		/* parse csv */
		_tr_csv_list = _parse_csv_record(&_tr_csv_str, CSV_RFC_4180);
		if (!_tr_csv_list)
			goto error;
	}

	if (_tr_csv_list == NULL)
		goto error;

	switch(subtype)
	{
		case TR_CSV_COUNT: