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

[Dirk Laurie <dirk.laurie@...>]

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?