Function integer_to_text

src/common/cvt.cpp:449–600

static void integer_to_text(const dsc* from, dsc* to, Callbacks* cb)
{
/**************************************
 *
 *      i n t e g e r _ t o _ t e x t
 *
 **************************************
 *
 * Functional description
 *      Convert your basic binary number to
 *      nice, formatted text.
 *
 **************************************/

	// For now, this routine does not handle quadwords unless this is
	// supported by the platform as a native datatype.

	if (from->dsc_dtype == dtype_quad)
	{
		fb_assert(false);
		cb->err(Arg::Gds(isc_badblk));	// internal error
	}

	SSHORT pad_count = 0, decimal = 0, neg = 0;

	// Save (or compute) scale of source.  Then convert source to ordinary
	// longword or int64.

	SCHAR scale = from->dsc_scale;

	if (scale > 0)
		pad_count = scale;
	else if (scale < 0)
		decimal = 1;

	SINT64 n;
	dsc intermediate;
	MOVE_CLEAR(&intermediate, sizeof(intermediate));
	intermediate.dsc_dtype = dtype_int64;
	intermediate.dsc_length = sizeof(n);
	intermediate.dsc_scale = scale;
	intermediate.dsc_address = (UCHAR*) &n;

	CVT_move_common(from, &intermediate, 0, cb);

	// Check for negation, then convert the number to a string of digits

	FB_UINT64 u;
	if (n >= 0)
		u = n;
	else
	{
		neg = 1;
		u = -n;
	}

    string temp;