Hi,
I can't say from a first glance. Maybe git@vger can help?
On Sun, Mar 17, 2013 at 10:08 PM, 方栋 <fangdong@xxxxxxxxx> wrote:
> hello
>
> i don't understand this:
> src in builtin/pack-objects.c find_deltas() function, line 1800:
>
>
> static void find_deltas(struct object_entry **list, unsigned *list_size,
> int window, int depth, unsigned *processed)
> {
> ......
>
> /*
> * Move the best delta base up in the window, after the
> * currently deltified object, to keep it longer. It will
> * be the first base object to be attempted next.
> */
> if (entry->delta) {
> struct unpacked swap = array[best_base];
> int dist = (window + idx - best_base) % window;
> int dst = best_base;
> while (dist--) {
> int src = (dst + 1) % window;
> array[dst] = array[src];
> dst = src;
> }
> array[dst] = swap;
> }
> ......
> }
>
> what this code block use for?
>
> thx
>
>
>
>
> ------------------
> 祝好
> --方（tyut）
>
--
Duy
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