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Article #15512

Re: Exemple Pointeurs dans KR

#15512
From: Charlie Gordon
Date: Sat, 24 Sep 2005 03:55
52 lines
3656 bytes
"Benoit Izac" <use.reply.to@INVALID.ADDRESS> wrote in message
news:86ll1uquaq@message.id...
> Bonjour,
>
> le 16/09/2005 � 19:10, Charlie Gordon a �crit
> dans le message <dgess6$ju1$1@reader1.imaginet.fr> :
>
> >> >> ? �MC, il n'y a que les r�centes versions du syst�me de fichiers de
> >> >> FreeBSD qui ont les "birthdate" dans les inodes (c'est celui qui
> >> >> s'appelle UFS ? j'm�lange un peu dans ce domaine).
>
> c'est birthtime (date de cr�ation de l'inode) et c'est dans UFS2.
>
> >> > Je ne crois pas : sous GNU/Linux avec ext2/ext3 les commandes
> >> > suivantes me donnent 3 dates diff�rentes:
> >> >
> >> > ls --full-time -l
> >> > ls --time=atime --full-time -l
> >> > ls --time=ctime --full-time -l
> >>
> >> Oui, c'est bien ce que je dis : manque la date de cr�ation.
> >> Et particuli�rement, une interface dans ls pour l'afficher ;-).
> >
> > par defaut tu as la date de derniere modification.
> > --time=atime donne la date de dernier acc�s.
> > --time=ctime donne la date de cr�ation.
>
> Non. ctime est la date de modification de l'inode, voir stat(2).

         time_t        st_atime;    /* time of last access */
         time_t        st_mtime;   /* time of last modification */
         time_t        st_ctime;    /* time of last change */

       Not all of the Linux filesystems implement all of the time
       fields.   Traditionally,  st_atime is changed by mknod(2),
       utime(2), read(2), write(2), and truncate(2).

       Traditionally, st_mtime is changed by mknod(2),  utime(2),
       and  write(2).  The st_mtime is not changed for changes in
       owner, group, hard link count, or mode.

       Traditionally, st_ctime is changed by writing or  by  set�
       ting  inode  information  (i.e., owner, group, link count,
       mode, etc.).

Enfer et putr�faction !
25 ans de certitudes qui s'effondrent...
D'ailleurs � quoi sert cette date de dernier changement de l'inode qui est bien
souvent �gale � celle non disponible de cr�ation ?

-- 
Chqrlie.
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From: "Charlie Gordon" <news@chqrlie.org>
Newsgroups: fr.comp.lang.c
Subject: Re: Exemple Pointeurs dans KR
Date: Sat, 24 Sep 2005 05:55:14 +0200
Organization: ImagiNET / Colt Internet
Lines: 54
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