Re: [PATCH 1/3] diff --stat: allow custom diffstat output width.

> I could have made it a more obvious "stupid" parser, I just think it's 
> better to do it this way.
>
> +	else if (!strncmp(arg, "--stat", 6)) {
> +		char *end;
> +		int width = options->stat_width;
> +		int name_width = options->stat_name_width;
> +		arg += 6;
> +		end = arg;
> +
> +		switch (*arg) {
> +		case '-':
> +			if (!strncmp(arg, "-width=", 7))
> +				width = strtoul(arg + 7, &end, 10);
> +			else if (!strncmp(arg, "-name-width=", 12))
> +				name_width = strtoul(arg + 12, &end, 10);
> +			break;
> +
> +		case '=':
> +			width = strtoul(arg+1, &end, 10);
> +			if (*end == ',')
> +				name_width = strtoul(end+1, &end, 10);
> +		}
> +
> +		/* Important! This checks all the error cases! */
> +		if (*end)
> +			return 0;
>  		options->output_format |= DIFF_FORMAT_DIFFSTAT;
> +		options->stat_name_width = name_width;
> +		options->stat_width = width;
>  	}