[Xapian-discuss] Semantics of terms - do they have to be C style, '\0' terminated strings?

[David Spencer]

Briefly: my goal is to index a series of 64 bit numeric values with every
document.

I see that WritableDocument::add_term takes a C++ string argument.
I believe that C++ strings allow bytes with a value of 0x0 (or '\0'),
however I'm pretty
sure that all is lost if you then call string.c_str().

Is it defined anywhere whether the string you pass to add_term has to be "C
style" or not?

At a glance the code base doesn't call c_str() much and the cases I saw had
to do with filenames, so this might be OK,
I just wanted to check if this was, say, guaranteed by the contract or if
this is just too dubious.

thx
 Dave