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fix a compile fail by strndup in RHEL5 env

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When we compile btrfs-progs in RHEL5(with default gcc 4.1.2 and glibc-2.5-18),
we can get following error:

cc1: warnings being treated as errors
btrfs-list.c: In function 'ino_resolve':
btrfs-list.c:511: warning: implicit declaration of function 'strndup'
btrfs-list.c:511: warning: incompatible implicit declaration of built-in function 'strndup'
make: *** [btrfs-list.o] Error 1
...
cc1: warnings being treated as errors
btrfs.c: In function 'split_command':
btrfs.c:168: warning: implicit declaration of function 'strndup'
btrfs.c:168: warning: incompatible implicit declaration of built-in function 'strndup'
make: *** [btrfs-list.o] Error 1

We can add _GNU_SOURCE definition according man strndup.

Signed-off-by: Zhao Lei <zhaolei@cn.fujitsu.com>
Signed-off-by: Miao Xie <miaox@cn.fujitsu.com>
This commit is contained in:
Zhao Lei 2010-09-09 13:49:14 +08:00 committed by Chris Mason
parent 2d428975f2
commit 6c94ed2479
2 changed files with 2 additions and 1 deletions
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1
btrfs-list.c
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@ -16,6 +16,7 @@
* Boston, MA 021110-1307, USA.
*/
#define _GNU_SOURCE
#ifndef __CHECKER__
#include <sys/ioctl.h>
#include <sys/mount.h>

2
btrfs.c
View File

@ -14,7 +14,7 @@
* Boston, MA 021110-1307, USA.
*/
#define _GNU_SOURCE
#include <stdio.h>
#include <stdlib.h>
#include <string.h>