From mboxrd@z Thu Jan  1 00:00:00 1970
From: erik quanstrom <quanstro@quanstro.net>
Date: Wed,  9 Oct 2013 12:04:23 -0400
To: 9fans@9fans.net
Message-ID: <25ea711db6f83d26ca16faf38466bdcc@ladd.quanstro.net>
In-Reply-To: <4c6dec5271e325c32ee144badfeae4c8@quintile.net>
References: <4c6dec5271e325c32ee144badfeae4c8@quintile.net>
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Subject: Re: [9fans] Brdline and the last line
Topicbox-Message-UUID: 843f4002-ead8-11e9-9d60-3106f5b1d025

On Wed Oct  9 11:54:41 EDT 2013, steve@quintile.net wrote:
> Hi all
>
> It has long been an irritation that Brdline returns failure (to match the
> end of line token) at end of file if the file does not end with a newline.
>
> This is correct but annoying.
>
> does anyone had a neat snippet of code which ensures we parse the
> last line correctly?
>
> For files on the filesystem I just fix them, but I am wrapping Brdline
> around a tcp connection so I am not in control of how people terminate
> their files...

how about

int
brdline(Biobuf *b, char *buf, int nbuf)
{
	int i, rv;
	Rune r;

	for(i = 0; i < nbuf - UTFmax - 1; ){
		rv = Bgetrune(b);
		if(rv == -1 || rv == '\n')
			break;
		r = rv;
		i += chartorune(&r, buf+i);
	}
	buf[i] = 0;
	return i;
}

- erik