From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <dev-bounces@dpdk.org>
Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124])
	by inbox.dpdk.org (Postfix) with ESMTP id B875643B7D;
	Thu, 29 Feb 2024 22:34:00 +0100 (CET)
Received: from mails.dpdk.org (localhost [127.0.0.1])
	by mails.dpdk.org (Postfix) with ESMTP id D3123432F2;
	Thu, 29 Feb 2024 22:32:47 +0100 (CET)
Received: from linux.microsoft.com (linux.microsoft.com [13.77.154.182])
 by mails.dpdk.org (Postfix) with ESMTP id 6D25742DDD
 for <dev@dpdk.org>; Thu, 29 Feb 2024 22:32:09 +0100 (CET)
Received: by linux.microsoft.com (Postfix, from userid 1086)
 id 25ADB20B74D6; Thu, 29 Feb 2024 13:32:07 -0800 (PST)
DKIM-Filter: OpenDKIM Filter v2.11.0 linux.microsoft.com 25ADB20B74D6
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.microsoft.com;
 s=default; t=1709242328;
 bh=hn9/UxjBCiI6WVjlkqIe13rpioBHCuBR7FHYVmCHy6I=;
 h=From:To:Cc:Subject:Date:In-Reply-To:References:From;
 b=sjN76SV/FDMcLpdHCTm7Ht3euwxG9OXH4aSyn6XVyPhwNh3p5vhqWzPR5fUURYFck
 OQg608WO2sRzd7dwplZ9X5q9Cqg6ldu+sv3uNNdvP7MnA8ESd+EeO1hFaxlaent2JL
 YYFVT3iWZt/4IPiHZIq6Yxgnqc5WwAj2MZ9nA5F4=
From: Tyler Retzlaff <roretzla@linux.microsoft.com>
To: dev@dpdk.org
Cc: Anatoly Burakov <anatoly.burakov@intel.com>,
 Ashish Gupta <ashish.gupta@marvell.com>, Chenbo Xia <chenbox@nvidia.com>,
 Cristian Dumitrescu <cristian.dumitrescu@intel.com>,
 David Hunt <david.hunt@intel.com>, Fan Zhang <fanzhang.oss@gmail.com>,
 Hemant Agrawal <hemant.agrawal@nxp.com>,
 Honnappa Nagarahalli <honnappa.nagarahalli@arm.com>,
 Jasvinder Singh <jasvinder.singh@intel.com>,
 Jerin Jacob <jerinj@marvell.com>,
 Konstantin Ananyev <konstantin.v.ananyev@yandex.ru>,
 Maxime Coquelin <maxime.coquelin@redhat.com>,
 Reshma Pattan <reshma.pattan@intel.com>,
 Sachin Saxena <sachin.saxena@nxp.com>,
 Sivaprasad Tummala <sivaprasad.tummala@amd.com>,
 Srikanth Yalavarthi <syalavarthi@marvell.com>,
 Stephen Hemminger <stephen@networkplumber.org>,
 Sunil Kumar Kori <skori@marvell.com>, bruce.richardson@intel.com,
 mb@smartsharesystems.com, thomas@monjalon.net,
 Tyler Retzlaff <roretzla@linux.microsoft.com>
Subject: [PATCH v5 22/22] devtools: forbid use argument variadic pack extension
Date: Thu, 29 Feb 2024 13:32:05 -0800
Message-Id: <1709242325-17218-23-git-send-email-roretzla@linux.microsoft.com>
X-Mailer: git-send-email 1.8.3.1
In-Reply-To: <1709242325-17218-1-git-send-email-roretzla@linux.microsoft.com>
References: <1707774557-16012-1-git-send-email-roretzla@linux.microsoft.com>
 <1709242325-17218-1-git-send-email-roretzla@linux.microsoft.com>
X-BeenThere: dev@dpdk.org
X-Mailman-Version: 2.1.29
Precedence: list
List-Id: DPDK patches and discussions <dev.dpdk.org>
List-Unsubscribe: <https://mails.dpdk.org/options/dev>,
 <mailto:dev-request@dpdk.org?subject=unsubscribe>
List-Archive: <http://mails.dpdk.org/archives/dev/>
List-Post: <mailto:dev@dpdk.org>
List-Help: <mailto:dev-request@dpdk.org?subject=help>
List-Subscribe: <https://mails.dpdk.org/listinfo/dev>,
 <mailto:dev-request@dpdk.org?subject=subscribe>
Errors-To: dev-bounces@dpdk.org

Prevent introduction of new use of args... and ##args compiler
extension.

Signed-off-by: Tyler Retzlaff <roretzla@linux.microsoft.com>
---
 devtools/checkpatches.sh | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/devtools/checkpatches.sh b/devtools/checkpatches.sh
index e379700..811655b 100755
--- a/devtools/checkpatches.sh
+++ b/devtools/checkpatches.sh
@@ -61,6 +61,14 @@ check_forbidden_additions() { # <patch>
 		-f $(dirname $(readlink -f $0))/check-forbidden-tokens.awk \
 		"$1" || res=1
 
+	# forbid use of variadic argument pack extension in macros
+	awk -v FOLDERS="lib drivers app examples" \
+		-v EXPRESSIONS='#[[:space:]]*define.*[^(,[:space:]]\\.\\.\\.[[:space:]]*)' \
+		-v RET_ON_FAIL=1 \
+		-v MESSAGE='Do not use variadic argument pack in macros' \
+		-f $(dirname $(readlink -f $0))/check-forbidden-tokens.awk \
+		"$1" || res=1
+
 	# no output on stdout or stderr
 	awk -v FOLDERS="lib drivers" \
 		-v EXPRESSIONS="\\\<printf\\\> \\\<fprintf\\\(stdout, \\\<fprintf\\\(stderr," \
-- 
1.8.3.1