From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by smtp.lore.kernel.org (Postfix) with ESMTP id 044C1106ACCD for ; Thu, 12 Mar 2026 17:03:22 +0000 (UTC) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id BF00E40662; Thu, 12 Mar 2026 18:03:21 +0100 (CET) Received: from mail-ot1-f47.google.com (mail-ot1-f47.google.com [209.85.210.47]) by mails.dpdk.org (Postfix) with ESMTP id EC94140275 for ; Thu, 12 Mar 2026 18:03:20 +0100 (CET) Received: by mail-ot1-f47.google.com with SMTP id 46e09a7af769-7d743cd9e5bso869170a34.2 for ; Thu, 12 Mar 2026 10:03:20 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=networkplumber-org.20230601.gappssmtp.com; s=20230601; t=1773335000; x=1773939800; darn=dpdk.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:subject:cc:to:from:date:from:to:cc:subject:date :message-id:reply-to; bh=jVwtzATwz/9iRlT/3K0VAxf9faVB6PxwjVdiJTv9XEo=; b=vGLXiw+7ZoSSorufpcnFsoYYhTiTjtZC+haRTlh99Qop7OvfKbDijKwSVyZeMy7Qhx JLHSGizdbyUrCPqAhiQrT+khj9pBBHEC3evlQ8OUNc8IS1C06b3L94yUcPaeHqPupBPD t0MXe69pZuzmDPHmDNgBNbn+hoX1AxucSy2C1cPcvLE2K9zCv3TgpFIOxSEVmgRSdYA+ 8V9leNVKf3VZdDItUsc8Vs93xhbzqPvDwwtKrHbY4CQA9sHeSo4M0kGMe5JO3/EAj1bJ wpY5/iv81a4xFo4Y50TFM5sDSCnA/It/uVkIUfZsS7nIM+PqtZL6OqiPvVrb3EAIH4xd 0ORw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1773335000; x=1773939800; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:subject:cc:to:from:date:x-gm-gg:x-gm-message-state:from :to:cc:subject:date:message-id:reply-to; bh=jVwtzATwz/9iRlT/3K0VAxf9faVB6PxwjVdiJTv9XEo=; b=wmQ9/K1xSWwCPtzgs05FtlsKiLE1msxKbWOkW1D+KsegwLTUltehly1MBz7zDGUgGG j2HC4rCSDFPoKnA3tMuAExHV5EKeE47RWXnuGxvBGloAW8+w+pCgbOJEEs/nsKcHgM6M qnwhUQ2QELifFHFGBX4C0hElBmIPeNER49QdUTLQRXwDYEhbyD8WOVFA3ToLJN2Tek54 kkCfPwEMei0RJbt6Sw8l2eTPQ9ghq6aP7z9h5NSwgQbTp4n7QeYcU1F59xo9qVYQGsAc DG3fGjheLRr7OS+T85Xg4Wh7MRYWIWeatsefQ6SzM8djw1cLvN51AY5JCmIVkPvUvN/P ZTkA== X-Forwarded-Encrypted: i=1; AJvYcCWmRa+m411rPuI4BSJ7vSKpZuIV9QHbDdHXpd1mdZ5GA0LQKiZzQZIy+d5PvCwmeOvrN9g=@dpdk.org X-Gm-Message-State: AOJu0YzQ+8GmHLkzSXsnERuqF2TRDPB3ifN5p7+D4eh39LstRx69dBIC /LKa/hvGKln4mn2XymJNEYEPhfwyRhz3gYmcJz0Ck+y8/ch0n1TgFryFWAwnr1bPbPo= X-Gm-Gg: ATEYQzxEz+8Rl/xRhCSXOWufrhvXtAP1LB+M9rmBiHOMsMrh6/9AHpUJquuTjczIMGm qrI8rQ9DkJkEcOiFwc0T+EPTldwbc51fqLy9fAjzdCOPQbQ3M4QVNS9hhqdvXSKGcXR1Hqf068P /bcWy4ZsE4hOVKwHaKmLlTeyTbcHvCzhY9e83DBfG++/a7G0Ps8dHEXR/meF3pYKJEOZ0iSPhkm Zya2nlgV5qPKMD82UTVBKKL2HXffoy+qTEc9JtdLZdjqPN8VBzfFLynb2zfiIeL2EynOyZ97jvp MPszCHVJOXO46OKp60L2xWes412XoyitQBFSFrFVHUziqGLglf3wZqLL434qcDwiU6VqxZAabYD 4vhfx9VHLFG1Ta+8Rj9Za+9cKAMKLTuT8vyBhMrMk4+eYlcg8ydXw1At8PqE4pMDN8Wj7ZvfSf8 T5sl4CEsy3usIrVNAPM/qI1ZrtcnrvFg3PXio= X-Received: by 2002:a05:6830:7301:b0:7d7:7a70:cf5e with SMTP id 46e09a7af769-7d782603d1emr52127a34.28.1773335000139; Thu, 12 Mar 2026 10:03:20 -0700 (PDT) Received: from phoenix.local ([104.202.29.139]) by smtp.gmail.com with ESMTPSA id 46e09a7af769-7d76ae6a361sm4346858a34.20.2026.03.12.10.03.19 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 12 Mar 2026 10:03:19 -0700 (PDT) Date: Thu, 12 Mar 2026 10:03:17 -0700 From: Stephen Hemminger To: fengchengwen Cc: Kevin Traynor , , , Aman Singh Subject: Re: [PATCH 3/4] app/testpmd: check for no arguments Message-ID: <20260312100317.5b06a849@phoenix.local> In-Reply-To: <51026e44-1045-47ef-add5-7a98c3ad4eac@huawei.com> References: <20260312103606.702617-1-ktraynor@redhat.com> <20260312103606.702617-4-ktraynor@redhat.com> <51026e44-1045-47ef-add5-7a98c3ad4eac@huawei.com> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org On Thu, 12 Mar 2026 20:37:42 +0800 fengchengwen wrote: > Hi Kevin, > > On 3/12/2026 6:36 PM, Kevin Traynor wrote: > > For the case where token is NULL, there are no arguments > > and split_str[0] is used uninitialized. > > In which case the token is NULL, if there are no arguments, the cmdline's > callback won't be invoke. > > Thanks It still maybe possible to get there with an empty string "" which would evaluate to no arguments?