Re: [WIP PATCH] Add 'git fast-export', the sister of 'git fast-import'

From: Johannes Schindelin <johannes.schindelin@gmx.de>
Date: Nov 21, 2007, 14:42 UTC
Message-ID: <Pine.LNX.4.64.0711211441000.27959@racer.site>
In-Reply-To: <2348F06A-F9A2-4A8F-8501-D0B696F34388@adacore.com>

Hi,

On Wed, 21 Nov 2007, Geert Bosch wrote:

Show 8 quoted lines

> On Nov 20, 2007, at 22:40, Johannes Schindelin wrote:
> > 	Oh, and it relies on "int" being castable to void * and vice
> > 	versa.  Is anybody aware of a platform where this can lead to
> > 	problems?
> 
> Like any 64-bit system? int is 32 bit and void * is 64. So, casting a 
> pointer to an int drops half the bits. When you convert it back it will 
> point to a funny place...

Have you even read the patch? Like I pointed out in my reply to Hannes, I only need the guarantee that

	i == (int)(void *)i

for all integers i.

Ciao, Dscho