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From: Eli Zaretskii <eliz@gnu.org>
To: Stefan Monnier <monnier@iro.umontreal.ca>
Cc: emacs-devel@gnu.org
Subject: Re: Lisp object that refers to a C struct
Date: Wed, 17 Oct 2012 22:46:48 +0200	[thread overview]
Message-ID: <83bog03jyf.fsf@gnu.org> (raw)
In-Reply-To: <jwvd30gj1b5.fsf-monnier+emacs@gnu.org>

> From: Stefan Monnier <monnier@iro.umontreal.ca>
> Cc: emacs-devel@gnu.org
> Date: Wed, 17 Oct 2012 16:23:19 -0400
> 
> > Right now, the struct is allocated and its pointer is put into an
> > alist as a Lisp integer,
> 
> How do you convert the integer into the C struct pointer?

  struct foo *pwatch = (struct foo *)XLI (watch_descriptor);

where watch_descriptor is a Lisp integer.



  reply	other threads:[~2012-10-17 20:46 UTC|newest]

Thread overview: 39+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-10-15 21:24 Lisp object that refers to a C struct Eli Zaretskii
2012-10-16  1:07 ` Stefan Monnier
2012-10-16  3:53   ` Eli Zaretskii
2012-10-16 13:11     ` Stefan Monnier
2012-10-16 17:22       ` Eli Zaretskii
2012-10-16 21:43         ` Stefan Monnier
2012-10-17  4:05           ` Eli Zaretskii
2012-10-17  6:21             ` Stephen J. Turnbull
2012-10-17 15:50               ` Eli Zaretskii
2012-10-17 17:45                 ` Stephen J. Turnbull
2012-10-17 13:34             ` Stefan Monnier
2012-10-17 16:08               ` Eli Zaretskii
2012-10-17 20:23                 ` Stefan Monnier
2012-10-17 20:46                   ` Eli Zaretskii [this message]
2012-10-17 22:08                     ` Paul Eggert
2012-10-18  0:22                       ` Stefan Monnier
2012-10-18  3:43                         ` Stephen J. Turnbull
2012-10-18  4:50                       ` Eli Zaretskii
2012-10-18  7:20                         ` Paul Eggert
2012-10-18 11:09                           ` Eli Zaretskii
2012-10-18 16:42                             ` Paul Eggert
2012-10-18 17:21                               ` Eli Zaretskii
2012-10-18  8:52                         ` Juanma Barranquero
2012-10-18 11:17                           ` Eli Zaretskii
2012-10-18 12:33                             ` Stefan Monnier
2012-10-18 17:16                               ` Eli Zaretskii
2012-10-18 22:09                                 ` Stefan Monnier
2012-10-19  7:14                                   ` Eli Zaretskii
2012-10-19 14:44                                     ` Stefan Monnier
2012-10-19 18:54                                       ` Eli Zaretskii
2012-10-19 21:35                                         ` Stefan Monnier
2012-10-19 22:35                                           ` Eli Zaretskii
2012-10-20  1:52                                             ` Stefan Monnier
2012-10-20  8:34                                               ` Eli Zaretskii
2012-10-17 16:05           ` Eli Zaretskii
2012-10-17 16:59             ` Davis Herring
2012-10-17 20:27             ` Stefan Monnier
2012-10-17 21:02               ` Eli Zaretskii
2012-10-18  0:23                 ` Stefan Monnier

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