static void
check_never_mail(uschar **listptr, uschar *never_mail)
{
uschar *s = *listptr;
while (*s != 0)
{
uschar *error, *next;
uschar *e = parse_find_address_end(s, FALSE);
int terminator = *e;
int start, end, domain, rc;
/* Temporarily terminate the string at the address end while extracting
the operative address within. */
*e = 0;
next = parse_extract_address(s, &error, &start, &end, &domain, FALSE);
*e = terminator;
/* If there is some kind of syntax error, just give up on this header
line. */
if (next == NULL) break;
/* See if the address is on the never_mail list */
rc = match_address_list(next, /* address to check */
TRUE, /* start caseless */
FALSE, /* don't expand the list */
&never_mail, /* the list */
NULL, /* no caching */
-1, /* no expand setup */
0, /* separator from list */
NULL); /* no lookup value return */
if (rc == OK) /* Remove this address */
{
DEBUG(D_transport)
debug_printf("discarding recipient %s (matched never_mail)\n", next);
if (terminator == ',') e++;
memmove(s, e, Ustrlen(e) + 1);
}
else /* Skip over this address */
{
s = e;
if (terminator == ',') s++;
}
}
/* Check to see if we removed the last address, leaving a terminating comma
that needs to be removed */
s = *listptr + Ustrlen(*listptr);
while (s > *listptr && (isspace(s[-1]) || s[-1] == ',')) s--;
*s = 0;
/* Check to see if there any addresses left; if not, set NULL */
s = *listptr;
while (s != 0 && isspace(*s)) s++;
if (*s == 0) *listptr = NULL;
}
int
lss_match_address(uschar *address, uschar *list, BOOL caseless)
{
return match_address_list(CUS address, caseless, TRUE, CUSS &list, NULL, -1, 0, NULL);
}
