Re: iconv module documentation or examples?

["John E. Davis" <davis@xxxxxxxxxxxxx>]

Ethan Blanton <eblanton@xxxxxxxxxxxx> wrote:
> I'm not sure if this is what you want, but ...
>
> #include <langinfo.h>
>
> char *nl_langinfo(nl_item item);
>
> If you pass CODESET as the argument to this function, it should give
> you back the character encoding used by the active locale.  This
> function will give you most of the information you would retrieve with
> the locale(1) query commands.


[4:16pm] /tmp>cat foo.c
#include <stdio.h>
#include <locale.h>
#include <langinfo.h>

int main ()
{
   setlocale (LC_ALL, "");
   fprintf (stdout, "%s\n", nl_langinfo(CODESET));
   return 0;
}

[4:16pm] /tmp>gcc foo.c
[4:17pm] /tmp>./a.out
UTF-8
[4:17pm] /tmp>printenv LANG
en_US.UTF-8

For this reason, I think that something like this might work:

   define get_encoding ()
   {
      if (_slang_utf8_ok) return "UTF-8";

      variable lang = getenv ("LANG");
      if (lang == NULL)
        return NULL;
      variable fields = strchop (lang, '.', 0);
      if (2 == length (fields))
        return fields[1];
      return NULL;
   }

Thanks,
--John

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