Datum
win1251_to_mic(PG_FUNCTION_ARGS)
{
	unsigned char *src = (unsigned char *) PG_GETARG_CSTRING(2);
	unsigned char *dest = (unsigned char *) PG_GETARG_CSTRING(3);
	int			len = PG_GETARG_INT32(4);

	CHECK_ENCODING_CONVERSION_ARGS(PG_WIN1251, PG_MULE_INTERNAL);

	win12512mic(src, dest, len);

	PG_RETURN_VOID();
}
Datum
win1251_to_mic(PG_FUNCTION_ARGS)
{
	unsigned char *src = (unsigned char *) PG_GETARG_CSTRING(2);
	unsigned char *dest = (unsigned char *) PG_GETARG_CSTRING(3);
	int			len = PG_GETARG_INT32(4);

	Assert(PG_GETARG_INT32(0) == PG_WIN1251);
	Assert(PG_GETARG_INT32(1) == PG_MULE_INTERNAL);
	Assert(len >= 0);

	win12512mic(src, dest, len);

	PG_RETURN_VOID();
}
Datum
win1251_to_koi8r(PG_FUNCTION_ARGS)
{
	unsigned char *src = (unsigned char *) PG_GETARG_CSTRING(2);
	unsigned char *dest = (unsigned char *) PG_GETARG_CSTRING(3);
	int			len = PG_GETARG_INT32(4);
	unsigned char *buf;

	CHECK_ENCODING_CONVERSION_ARGS(PG_WIN1251, PG_KOI8R);

	buf = palloc(len * ENCODING_GROWTH_RATE + 1);
	win12512mic(src, buf, len);
	mic2koi8r(buf, dest, strlen((char *) buf));
	pfree(buf);

	PG_RETURN_VOID();
}
Datum
win1251_to_iso(PG_FUNCTION_ARGS)
{
	unsigned char *src = (unsigned char *) PG_GETARG_CSTRING(2);
	unsigned char *dest = (unsigned char *) PG_GETARG_CSTRING(3);
	int			len = PG_GETARG_INT32(4);
	unsigned char *buf;

	CHECK_ENCODING_CONVERSION_ARGS(PG_WIN1251, PG_ISO_8859_5);

	/* Use mic/KOI8R as intermediary, see comment in win866_to_win1251() */
	buf = palloc(len * ENCODING_GROWTH_RATE + 1);
	win12512mic(src, buf, len);
	mic2iso(buf, dest, strlen((char *) buf));
	pfree(buf);

	PG_RETURN_VOID();
}
Datum
win1251_to_iso(PG_FUNCTION_ARGS)
{
	unsigned char *src = (unsigned char *) PG_GETARG_CSTRING(2);
	unsigned char *dest = (unsigned char *) PG_GETARG_CSTRING(3);
	int			len = PG_GETARG_INT32(4);
	unsigned char *buf;

	Assert(PG_GETARG_INT32(0) == PG_WIN1251);
	Assert(PG_GETARG_INT32(1) == PG_ISO_8859_5);
	Assert(len >= 0);

	buf = palloc(len * ENCODING_GROWTH_RATE);
	win12512mic(src, buf, len);
	mic2iso(buf, dest, strlen((char *) buf));
	pfree(buf);

	PG_RETURN_VOID();
}