int spk_set_num_var()

in speakup/varhandlers.c [180:247]

• 63 lines of code
• 22 McCabe index (conditional complexity)

int spk_set_num_var(int input, struct st_var_header *var, int how)
{
	int val;
	int *p_val = var->p_val;
	char buf[32];
	char *cp;
	struct var_t *var_data = var->data;

	if (!var_data)
		return -ENODATA;

	val = var_data->u.n.value;
	switch (how) {
	case E_NEW_DEFAULT:
		if (input < var_data->u.n.low || input > var_data->u.n.high)
			return -ERANGE;
		var_data->u.n.default_val = input;
		return 0;
	case E_DEFAULT:
		val = var_data->u.n.default_val;
		break;
	case E_SET:
		val = input;
		break;
	case E_INC:
		val += input;
		break;
	case E_DEC:
		val -= input;
		break;
	}

	if (val < var_data->u.n.low || val > var_data->u.n.high)
		return -ERANGE;

	var_data->u.n.value = val;
	if (var->var_type == VAR_TIME && p_val) {
		*p_val = msecs_to_jiffies(val);
		return 0;
	}
	if (p_val)
		*p_val = val;
	if (var->var_id == PUNC_LEVEL) {
		spk_punc_mask = spk_punc_masks[val];
		return 0;
	}
	if (var_data->u.n.multiplier != 0)
		val *= var_data->u.n.multiplier;
	val += var_data->u.n.offset;
	if (var->var_id < FIRST_SYNTH_VAR || !synth)
		return 0;
	if (synth->synth_adjust)
		return synth->synth_adjust(var);

	if (!var_data->u.n.synth_fmt)
		return 0;
	if (var->var_id == PITCH)
		cp = spk_pitch_buff;
	else
		cp = buf;
	if (!var_data->u.n.out_str)
		sprintf(cp, var_data->u.n.synth_fmt, (int)val);
	else
		sprintf(cp, var_data->u.n.synth_fmt,
			var_data->u.n.out_str[val]);
	synth_printf("%s", cp);
	return 0;
}