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From: Johannes Schindelin <Johannes.Schindelin@gmx.de>
To: Geert Bosch <bosch@adacore.com>
Cc: git@vger.kernel.org
Subject: Re: [WIP PATCH] Add 'git fast-export', the sister of 'git fast-import'
Date: Wed, 21 Nov 2007 14:42:06 +0000 (GMT)	[thread overview]
Message-ID: <Pine.LNX.4.64.0711211441000.27959@racer.site> (raw)
In-Reply-To: <2348F06A-F9A2-4A8F-8501-D0B696F34388@adacore.com>

Hi,

On Wed, 21 Nov 2007, Geert Bosch wrote:

> 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

  reply	other threads:[~2007-11-21 14:42 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-11-21  3:40 [WIP PATCH] Add 'git fast-export', the sister of 'git fast-import' Johannes Schindelin
2007-11-21  7:44 ` Johannes Sixt
2007-11-21  7:47   ` Shawn O. Pearce
2007-11-21 14:01   ` Johannes Schindelin
2007-11-21 15:09     ` Andreas Ericsson
2007-11-21 15:47       ` Johannes Schindelin
2007-11-21 15:53         ` Andreas Ericsson
2007-11-21 12:43 ` Geert Bosch
2007-11-21 14:42   ` Johannes Schindelin [this message]
2007-11-23  0:27 ` Han-Wen Nienhuys
2007-11-23  1:01   ` Johannes Schindelin
2007-11-23  1:23     ` Han-Wen Nienhuys
2007-11-23  2:11       ` Johannes Schindelin
2007-11-23 20:59         ` Shawn O. Pearce
2007-11-25 17:00           ` Karl Hasselström
2007-11-26 16:48             ` Johannes Schindelin
2007-11-27 10:16               ` Karl Hasselström
2007-11-27 11:25                 ` Johannes Schindelin
2007-11-27 14:51                   ` Karl Hasselström
2007-11-27 15:10                     ` Johannes Schindelin
2007-11-26 16:47           ` Johannes Schindelin
2007-11-23 12:31 ` Nguyen Thai Ngoc Duy
2007-11-23 14:31   ` Johannes Schindelin
2007-11-23 20:56     ` Shawn O. Pearce
2007-11-24 14:08     ` Nguyen Thai Ngoc Duy
2007-11-27 12:16       ` Johannes Schindelin
2007-11-27 14:17         ` Nguyen Thai Ngoc Duy

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