Re: [PATCH 5/8] get-repack --max-pack-size: write_object() takes 'limit' arg

From: Nicolas Pitre <nico@cam.org>
Date: Apr 9, 2007, 00:40 UTC
Message-ID: <alpine.LFD.0.98.0704082034060.28181@xanadu.home>
In-Reply-To: <46197994.70009@gmail.com>

On Sun, 8 Apr 2007, Dana How wrote:

Show 6 quoted lines

> 
> Accept new 'limit' argument and check against it
> before each group of writes.  Update delta usability rules
> for possibility of delta base being in a previously-
> written pack. Inline sha1write_compressed() so we know
> the exact size of the written data when it needs to be compressed.

It would be cleaner if the compression code was made into a function of its own I think.

Show 11 quoted lines

> @@ -448,6 +480,12 @@ static off_t write_object(struct sha1file *f,
>  			header[pos] = ofs & 127;
>  			while (ofs >>= 7)
>  				header[--pos] = 128 | (--ofs & 127);
> +			if ( limit && hdrlen + sizeof(header) - pos + datalen + 20 >= limit ) {
> +				free(out);
> +				free(buf);
> +				return 0;
> +			}
> +			sha1write(f, header, hdrlen);
>  			sha1write(f, header + pos, sizeof(header) - pos);

The above looks rather buggy to me.

Nicolas