Re: Modules for iconv (Was: UTF-8 patterns in Lua 5.3)

[Sean Conner <sean@...>]

It was thus said that the Great Dirk Laurie once stated:
> 2014-04-19 8:55 GMT+02:00 Sean Conner <sean@conman.org>:
> > It was thus said that the Great Dirk Laurie once stated:
> >> 2014-04-18 22:28 GMT+02:00 Sean Conner <sean@conman.org>:
> >>
> >> > requires a C99 compiler
> >>
> >> Does POSIX.1-2001 compliance imply all of C99?
> >
> >   I think POSIX only covers functions available, not langauge features.  The
> > problematic part of the code is:
> >
> >         static int luametaiconv_iconv(lua_State *L)
> >         {
> >           const char *from;
> >           size_t      fsize;
> >           iconv_t    *pic;
> >
> >           pic  = luaL_checkudata(L,1,TYPE_ICONV);
> >           from = luaL_checklstring(L,2,&fsize);
> >
> >           size_t  rc;
> >           size_t  tsize    = fsize * 8; /* a reasonable guess here */
> >           char    to[tsize];
> >           char   *pto = to;
> >
> >   I could hoise the variable declarations up above the two function calls,
> > but I still have the variably size array to contend with, and frankly, with
> > C99 being fifteen years old now, I want to use those features, damn it!  I
> > don't want to be held hostage to Microsoft, so I'm not changing the code.
> 
> Can't you do it with luaL_Buffer instead?

  Hmm ... I'm rereading the man page, and I may not be doing it correctly. 
I may be able to use luaL_Buffer and a fixed-length output buffer, but I'm
still not going to be hostage to Microsoft (so I'll still use C99 features).

  -spc (Will have to work on this tomorrow ... )