On Sun, Jun 01, 2014 at 01:07:21PM +0200, René Scharfe wrote:

> Whenever the hash table becomes too small then its size is increased,
> the original part (and the added space) is zerod out using memset(),
> and the table is rebuilt from scratch.
> 
> Simplify this proceess by returning the old memory using free() and
> allocating the new buffer using xcalloc(), which already clears the
> buffer for us.  That way we avoid copying the old hash table contents
> needlessly inside xrealloc().
> 
> While at it, use the first array member with sizeof instead of a
> specific type.  The old code used uint32_t and int, while index is
> actually an array of int32_t.  Their sizes are the same basically
> everywhere, so it's not actually a problem, but the new code is
> cleaner and doesn't have to be touched should the type be changed.
> 
> Signed-off-by: Rene Scharfe <l....@web.de>

Looks good to me.

BTW, the code does git-blame to Vicent's 2834bc2 (which I also worked
on), but actually originated in 7a979d9 (Thin pack - create packfile
with missing delta base., 2006-02-19). Not that it matters, but I was
just surprised since the code you are changing did not seem familiar to
me. I guess there was just too much refactoring during the code movement
for git-blame to pass along the blame in this case.

-Peff
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