linux-ext4 - Re: Updated fsx.c program (fixed fallocate)

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Fri, 02 Oct 2009 22:40:50 -0500
From:	Eric Sandeen <sandeen@...hat.com>
To:	nicholas.dokos@...com
CC:	Mingming <cmm@...ibm.com>, Andreas Dilger <adilger@....com>,
	linux-ext4@...r.kernel.org, Eric Sandeen <esandeen@...hat.com>,
	Subrata Modak <subrata@...ux.vnet.ibm.com>,
	Dave Jones <davej@...hat.com>, linux-fsdevel@...r.kernel.org
Subject: Re: Updated fsx.c program (fixed fallocate)

Nick Dokos wrote:
> Mingming wrote:
>>> I think that
>>>
>>> #define _GNU_SOURCE
>>>
>>> will pull in the glibc headers' definition rather than doing our own....
>>>
>> Oh? that's sounds good...
>>
>> I tried to replace above with 
>> #define _GNU_SOURCE	1
>>
>> gcc complained O_DIRECT is still not defined. what did I missing?
>>
> 
> 
> ,----
> | #define _GNU_SOURCE 1
> | 
> | #include <fcntl.h>
> `----
> 
> should do it.
> 
> Nick

yep, works for me as long as I define it ahead of any #includes (not 
sure just fcntl is enough, but anyway; just put it at the top).

-Eric

--- fsx.c.orig	2009-10-02 22:40:15.816142278 -0500
+++ fsx.c	2009-10-02 22:40:26.886145268 -0500
@@ -42,6 +42,8 @@
   *
   */

+#define _GNU_SOURCE
+
  #include <sys/types.h>
  #include <sys/stat.h>
  #if defined(_UWIN) || defined(__linux__)
--
To unsubscribe from this list: send the line "unsubscribe linux-ext4" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html