[bug-mailutils] auth code

[Jeff Bailey]

Hey, I was just digging through the auth code to try and remember how
virtual hosting works and I came across this construct.  Should I tweak
these all to use asprintf for safety?

  filename = malloc (strlen (site_virtual_pwddir) +
                     strlen (&u[delim + 1]) + 2 /* slash and null byte
*/);
  if (filename == NULL)
    return NULL;
 
  sprintf (filename, "%s/%s", site_virtual_pwddir, &u[delim + 1]);

-- 
Breathe into my hands, I'll cup them like a glass to drink from...
 - Tattle Tale

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