Re: [PATCH] blkid: remove unnecessary header and comment

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I noticed there is more that could be cleaned up if we don't need
to check for the <sys/queue.h> header at all.  New patch follows.

Cheers, Andreas

On Jun 11, 2014, at 12:40 PM, Andreas Dilger <adilger@xxxxxxxxx> wrote:

> The LIST_HEAD macro is not directly used in getsize.c, so
> <sys/queue.h> is not needed at all, and could cause confusion at
> some later point if the Linux-style list macros are ever used.
> 
> Build was verified on MacOS which defined HAVE_SYS_DISK_H true.
> I manually inspected the sources for recent *BSD headers to check
> if this was needed there or not.  MacOS and FreeBSD <sys/disk.h>
> do not use lists at all.  NetBSD and OpenBSD <sys/disk.h> include
> <sys/queue.h> internally.
> 
> Signed-off-by: Andreas Dilger <adilger@xxxxxxxxx>
> ---
> lib/blkid/getsize.c  | 4 ----
> lib/ext2fs/getsize.c | 3 ---
> 2 files changed, 7 deletions(-)
> 
> diff --git a/lib/blkid/getsize.c b/lib/blkid/getsize.c
> index c2a8f72..a5c40aa 100644
> --- a/lib/blkid/getsize.c
> +++ b/lib/blkid/getsize.c
> @@ -12,7 +12,6 @@
> #define _LARGEFILE_SOURCE
> #define _LARGEFILE64_SOURCE
> 
> -/* include this before sys/queues.h! */
> #include "config.h"
> #include "blkidP.h"
> 
> @@ -34,9 +33,6 @@
> #include <sys/disklabel.h>
> #endif
> #ifdef HAVE_SYS_DISK_H
> -#ifdef HAVE_SYS_QUEUE_H
> -#include <sys/queue.h> /* for LIST_HEAD */
> -#endif
> #include <sys/disk.h>
> #endif
> #ifdef __linux__
> diff --git a/lib/ext2fs/getsize.c b/lib/ext2fs/getsize.c
> index a9a4812..a227155 100644
> --- a/lib/ext2fs/getsize.c
> +++ b/lib/ext2fs/getsize.c
> @@ -34,9 +34,6 @@
> #include <sys/disklabel.h>
> #endif
> #ifdef HAVE_SYS_DISK_H
> -#ifdef HAVE_SYS_QUEUE_H
> -#include <sys/queue.h> /* for LIST_HEAD */
> -#endif
> #include <sys/disk.h>
> #endif
> #ifdef __linux__
> -- 
> 1.8.0
> 


Cheers, Andreas





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