break;
mta = xstrdup (by);
token = strtok(mta," \t");
- if (token == NULL)
+ if (token == NULL) {
+ free (mta);
break;
+ }
/* Now extract the last two components of the MTA host name
* as domain and tld.
*/
+ domain = tld = NULL;
while ((ptr = strsep (&token, delim)) != NULL) {
if (*ptr == '\0')
continue;