//convert text characters

dword iconv_lib = #a_iconv_lib;
char a_iconv_lib[19]="/sys/lib/iconv.obj\0";

dword iconv_open     = #aIconv_open;
dword iconv          = #aIconv;
$DD 2 dup 0

char aIconv_open[11] = "iconv_open\0";
char aIconv[6]       = "iconv\0";


dword ChangeCharset(dword from_chs, to_chs, conv_buf)
{
	dword cd, in_len, out_len, new_buf;	

	iconv_open stdcall (from_chs, to_chs); //CP866, CP1251, CP1252, KOI8-RU, UTF-8, ISO8859-5
	if (EAX==-1)
	{
		debug(from_chs);
		debug(to_chs);
		debug("iconv: wrong charset,\nuse only CP866, CP1251, CP1252, KOI8-RU, UTF-8, ISO8859-5");
		return 0; 
	}
	cd = EAX;

	in_len = out_len = strlen(conv_buf)+1;
	new_buf = mem_Alloc(in_len);
	iconv stdcall (cd, #conv_buf, #in_len, #new_buf, #out_len);
	cd = EAX;
	if (cd!=0)
	{
		debug("iconv: something is wrong with stdcall iconv()");
		debugi(cd);
		debug("in_len");
		debugi(in_len);
		debug("out_len");
		debugi(out_len);
		new_buf = free(new_buf);
		return 0;
	}
	strcpy(conv_buf, new_buf);
	free(new_buf);
	return conv_buf;
}


char *charsets[] = { " ", "UTF-8", "KOI8-RU", "CP1251",  "CP1252", "ISO8859-5", "CP866"};
int cur_charset;
enum {
	CH_NULL,
	CH_UTF8,
	CH_KOI8,
	CH_CP1251,
	CH_CP1252,
	CH_ISO8859_5,
	CH_CP866
};