From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ml01.01.org (Postfix) with ESMTPS id 582601A1E43 for ; Wed, 26 Oct 2016 12:05:28 -0700 (PDT) Received: from int-mx10.intmail.prod.int.phx2.redhat.com (int-mx10.intmail.prod.int.phx2.redhat.com [10.5.11.23]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 9547763647; Wed, 26 Oct 2016 19:05:27 +0000 (UTC) Received: from lacos-laptop-7.usersys.redhat.com (ovpn-116-27.phx2.redhat.com [10.3.116.27]) by int-mx10.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u9QJ57xf025834; Wed, 26 Oct 2016 15:05:23 -0400 From: Laszlo Ersek To: edk2-devel-01 Cc: Ard Biesheuvel , Cecil Sheng , Chao Zhang , Dandan Bi , Daryl McDaniel , David Wei , Eric Dong , Feng Tian , Gary Lin , Jaben Carsey , Jeff Fan , Jiaxin Wu , Jordan Justen , Liming Gao , Michael D Kinney , Ruiyu Ni , Siyuan Fu , Star Zeng , Tim He Date: Wed, 26 Oct 2016 21:04:22 +0200 Message-Id: <20161026190504.9888-6-lersek@redhat.com> In-Reply-To: <20161026190504.9888-1-lersek@redhat.com> References: <20161026190504.9888-1-lersek@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.23 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.28]); Wed, 26 Oct 2016 19:05:27 +0000 (UTC) Subject: [PATCH 05/47] MdePkg/Include/Base.h: introduce the ARRAY_SIZE() function-like macro X-BeenThere: edk2-devel@lists.01.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: EDK II Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 26 Oct 2016 19:05:28 -0000 Several modules use ARRAY_SIZE() already; centralize the definition. (The module-specific macro definitions are guarded by #ifndef directives at this point.) Cc: Ard Biesheuvel Cc: Cecil Sheng Cc: Chao Zhang Cc: Dandan Bi Cc: Daryl McDaniel Cc: David Wei Cc: Eric Dong Cc: Feng Tian Cc: Gary Lin Cc: Jaben Carsey Cc: Jeff Fan Cc: Jiaxin Wu Cc: Jordan Justen Cc: Liming Gao Cc: Michael D Kinney Cc: Ruiyu Ni Cc: Siyuan Fu Cc: Star Zeng Cc: Tim He Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Laszlo Ersek --- MdePkg/Include/Base.h | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/MdePkg/Include/Base.h b/MdePkg/Include/Base.h index c66614846488..8bdb257e37bd 100644 --- a/MdePkg/Include/Base.h +++ b/MdePkg/Include/Base.h @@ -1211,5 +1211,18 @@ typedef UINTN RETURN_STATUS; #define RETURN_ADDRESS(L) ((VOID *) 0) #endif +/** + Return the number of elements in an array. + + @param Array An object of array type. Array is only used as an argument to + the sizeof operator, therefore Array is never evaluated. The + caller is responsible for ensuring that Array's type is not + incomplete; that is, Array must have known constant size. + + @return The number of elements in Array. The result has type UINTN. + +**/ +#define ARRAY_SIZE(Array) (sizeof (Array) / sizeof (Array)[0]) + #endif -- 2.9.2