The Annoyance Filter.pdf - Fourmilab

196 HEADER INCLUDE FILES ANNOYANCE-FILTER §243
}
#endif
}
else {
cerr ≪ "Invalid␣port␣number␣specification␣in␣−−pop3server␣argument." ≪ endl ;
return 1;
}
sarg = sarg .substr (0, pind );
}
popProxyServer = sarg ;
if (verbose ) {
cerr ≪ "POP3␣server␣will␣act␣as␣proxy␣for␣" ≪ popProxyServer ≪ ":" ≪
popProxyServerPort ≪ endl ;
}
lastOption = true ; /∗ Bail out, ignoring any (erroneous) subsequent options ∗/
break;
#ifdef POP3_PROXY_SERVER
case 230: /∗ −−pop3trace Trace POP3 proxy server operations on cerr ∗/
popProxyTrace = true ;
break;
#endif
case 203: /∗ −−prune Purge dictionary of infrequently used words ∗/
updateProbability ( );
dict .purge ( );
break;
case 213: /∗ −−ptrace Include token by token trace in −−pdiag output ∗/
pTokenTrace = true ;
break;
case ’r’: /∗ −r, −−read fname Read dictionary from fname ∗/
{
#ifdef HAVE_MMAP
int fileHandle = open (optarg , O_RDONLY);
#else
if (fileHandle ≡ −1) {
cerr ≪ "Cannot␣open␣dictionary␣file␣" ≪ optarg ≪ endl ;
return 1;
}
long fileLength = lseek (fileHandle , 0, 2);
lseek (fileHandle , 0, 0);
char ∗dp = static cast〈char ∗〉(mmap((caddr t )0, fileLength , PROT_READ,
MAP_SHARED | MAP_NORESERVE, fileHandle , 0));
istrstream is (dp, fileLength );
ifstream is (optarg , ios ::binary );
if (¬is ) {
cerr ≪ "Cannot␣open␣dictionary␣file␣" ≪ optarg ≪ endl ;
return 1;
}
#endif
dict .importFromBinaryFile (is );
#ifdef HAVE_MMAP