The Annoyance Filter.pdf - Fourmilab

§245 ANNOYANCE-FILTER HEADER INCLUDE FILES 199
245. Print a primate-readable message giving the version of the program, source and contact information,
and optional features compiled in.
〈 Print program version information 245 〉 ≡
cout ≪ PRODUCT "␣" VERSION ≪ endl ;
cout ≪ "Last␣revised:␣" REVDATE ≪ endl ;
〈 List optional capabilities configured in this build 247 〉;
cout ≪ "The␣latest␣version␣is␣always␣available␣from:" ≪ endl ;
cout ≪ "␣␣␣␣http://www.fourmilab.ch/annoyance−filter/" ≪ endl ;
cout ≪ "Please␣report␣bugs␣to:" ≪ endl ;
cout ≪ "␣␣␣␣bugs@fourmilab.ch" ≪ endl ;
This code is used in section 243.
246. This little utility function worries about printing the label before the first optional capability
and keeping track of how many we’ve printed in order to say “none” if that’s the case.
〈 Utility functions 219 〉 +≡
static unsigned int nOptionalCaps = 0;
static void printOptionalCapability (const string &s)
{
if (nOptionalCaps ≡ 0) {
cout ≪ "Optional␣capabilities␣configured:" ≪ endl ;
nOptionalCaps ++;
}
cout ≪ "␣␣␣␣" ≪ s ≪ "." ≪ endl ;
}
247. Show which optional features detected by configure were built into the program.
〈 List optional capabilities configured in this build 247 〉 ≡
#ifdef HAVE_PDF_DECODER
printOptionalCapability ("Decoding␣strings␣in␣PDF␣attachments");
#endif
#ifdef HAVE_DIRECTORY_TRAVERSAL
printOptionalCapability ("Directory␣traversal␣in␣the␣−−mail␣and␣−−junk␣options");
#endif
#ifdef HAVE_MMAP
printOptionalCapability ("Memory␣mapped␣access␣to␣dictionary␣and␣fast␣dictionary␣files");
#endif
#ifdef HAVE_PLOT_UTILITIES
printOptionalCapability ("Plotting␣distribution␣histogram␣(−−plot␣option)");
#endif
#ifdef POP3_PROXY_SERVER
printOptionalCapability ("POP3␣proxy␣server");
#endif
if (nOptionalCaps ≡ 0) {
cout ≪ "Optional␣capabilities␣configured:␣none." ≪ endl ;
}
This code is used in section 245.