From mboxrd@z Thu Jan  1 00:00:00 1970
Return-path: <barebox-bounces+u.kleine-koenig=pengutronix.de@lists.infradead.org>
Received: from mail-iy0-f177.google.com ([209.85.210.177])
 by merlin.infradead.org with esmtps (Exim 4.76 #1 (Red Hat Linux))
 id 1T4q9P-0004aS-Hl
 for barebox@lists.infradead.org; Fri, 24 Aug 2012 09:26:00 +0000
Received: by iaai1 with SMTP id i1so3108746iaa.36
 for <barebox@lists.infradead.org>; Fri, 24 Aug 2012 02:25:58 -0700 (PDT)
MIME-Version: 1.0
In-Reply-To: <1345783818-28784-4-git-send-email-plagnioj@jcrosoft.com>
References: <20120824044613.GI6271@game.jcrosoft.org>
 <1345783818-28784-1-git-send-email-plagnioj@jcrosoft.com>
 <1345783818-28784-4-git-send-email-plagnioj@jcrosoft.com>
From: Roberto Nibali <rnibali@gmail.com>
Date: Fri, 24 Aug 2012 11:25:37 +0200
Message-ID: <CAONxwYPtL-XbY5X_006yiu5yipyasO+ODX1vkY13o0Uf7RXXAQ@mail.gmail.com>
List-Id: <barebox.lists.infradead.org>
List-Unsubscribe: <http://lists.infradead.org/mailman/options/barebox>,
 <mailto:barebox-request@lists.infradead.org?subject=unsubscribe>
List-Archive: <http://lists.infradead.org/pipermail/barebox/>
List-Post: <mailto:barebox@lists.infradead.org>
List-Help: <mailto:barebox-request@lists.infradead.org?subject=help>
List-Subscribe: <http://lists.infradead.org/mailman/listinfo/barebox>,
 <mailto:barebox-request@lists.infradead.org?subject=subscribe>
Content-Type: text/plain; charset="us-ascii"
Content-Transfer-Encoding: 7bit
Sender: barebox-bounces@lists.infradead.org
Errors-To: barebox-bounces+u.kleine-koenig=pengutronix.de@lists.infradead.org
Subject: Re: [PATCH 04/18] fs: implement stat
To: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Cc: barebox@lists.infradead.org

Hi

> diff --git a/fs/fs.c b/fs/fs.c
> index a19e1f4..9f2e82c 100644
> --- a/fs/fs.c
> +++ b/fs/fs.c
> @@ -26,6 +26,7 @@
>  #include <errno.h>
>  #include <malloc.h>
>  #include <linux/stat.h>
> +#include <linux/err.h>
>  #include <fcntl.h>
>  #include <xfuncs.h>
>  #include <init.h>
> @@ -111,6 +112,60 @@ static int init_cwd(void)
>
>  postcore_initcall(init_cwd);
>
> +char *normalise_link(const char *pathname, const char* symlink)
> +{
> +       const char *buf = symlink;
> +       char *path_free, *path;
> +       char *absolute_path;
> +       int point = 0;
> +       int dir = 1;
> +       int len;
> +
> +       if (symlink[0] == '/')
> +               return strdup(symlink);
> +
> +       path = path_free = strdup(pathname);
> +
> +       while (*buf == '.' || *buf == '/') {
> +               if (*buf == '.') {
> +                       point++;
> +               } else if (*buf == '/') {
> +                       point = 0;
> +                       dir++;
> +               }
> +               if (point > 2) {
> +                       buf -= 2;
> +                       break;
> +               }
> +               buf++;
> +       }
> +
> +       if (dir) {
> +               while(dir) {
> +                       path = dirname(path);
> +                       dir--;
> +               }
> +       }
> +
> +       len = strlen(buf) + strlen(path) + 1;
> +       if (buf[0] != '/')
> +               len++;
> +
> +       absolute_path = calloc(sizeof(char), len);
> +
> +       if(!absolute_path)
> +               return NULL;
> +
> +       strcat(absolute_path, path);
> +       if (buf[0] != '/')
> +               strcat(absolute_path, "/");
> +       strcat(absolute_path, buf);

Not that it matters hugely here, but how about strlcat(3) and checking
the return value?

Cheers
Roberto

_______________________________________________
barebox mailing list
barebox@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/barebox