From patchwork Tue Oct 23 21:48:25 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mark Thompson X-Patchwork-Id: 10761 Return-Path: X-Original-To: patchwork@ffaux-bg.ffmpeg.org Delivered-To: patchwork@ffaux-bg.ffmpeg.org Received: from ffbox0-bg.mplayerhq.hu (ffbox0-bg.ffmpeg.org [79.124.17.100]) by ffaux.localdomain (Postfix) with ESMTP id 96EAF44ABA1 for ; Wed, 24 Oct 2018 00:48:37 +0300 (EEST) Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id 0DD9568003E; Wed, 24 Oct 2018 00:48:09 +0300 (EEST) X-Original-To: ffmpeg-devel@ffmpeg.org Delivered-To: ffmpeg-devel@ffmpeg.org Received: from mail-wr1-f66.google.com (mail-wr1-f66.google.com [209.85.221.66]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTPS id 26F6A680373 for ; Wed, 24 Oct 2018 00:48:03 +0300 (EEST) Received: by mail-wr1-f66.google.com with SMTP id q6-v6so3294706wrw.11 for ; Tue, 23 Oct 2018 14:48:31 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=jkqxz-net.20150623.gappssmtp.com; s=20150623; h=from:to:subject:date:message-id:mime-version :content-transfer-encoding; bh=dx6I5AXDrOfsmcCDRfwz+Zapz9xlKTIfgccP9iJv92Y=; b=dV090A4lV8K5VsqGJOChpKn0+JGQ0UiKSnHyxZmyD/JAnZPI9TFnFKLXRqtPwuAjcr BGyQfpwkNg0h9g1ugkHSYBY3xYf0SGXvLiP/QQbhkEuHxsgTU4u5VJmUvIZbYjNUAZ81 NGgRHEGa4tZecnr39xzGPAh54UOzYtUJKK7u0YwH940H6DzNVzPXafFWQl6D+9ADyA2E x0tlXYHUkvqm0yB+g4d9gtJhL1hXkfISEgZe+LmMdUtpsoIscq7jSYrVa2e7m9tWmQix DGDDowjwGk/l7x4Hk3GqGTvVQb8s0ZadzmnfgEh/icbWG2dq1t7dbXd1gi8u8Suf4CP4 sTXg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:subject:date:message-id:mime-version :content-transfer-encoding; bh=dx6I5AXDrOfsmcCDRfwz+Zapz9xlKTIfgccP9iJv92Y=; b=AZyOOA6yr2+/2EcgyjnbxcEQlLkkdNp+sX6wsBfRNGu0vDOawmX0tV0p5BigF8Mheb Tx8QFib7RAIIPN0vqUu/q9alvbHvcZWI422AzVp6o95ePVTCmnmKs0RIZHmXJmeq4sd/ 415gv9FZBwpz3j0CvAvRp6gMLD4PhxHN2E6AfdibI56sbWuLc5/i9Q1f3MUTdUoDQA6K 2pXMy5CU2TR0CqFlnHlGLGahHAHT2Bkg5VRfTohFx20iUVgMOxuZgwbHiJfvfOFCs5gU w2NgHrzscYskdRw20gcSy42iL9U4f9GcFac/KiESI9ui41gRBLiWzknw1huEJylRdKM6 3C6Q== X-Gm-Message-State: AGRZ1gKS2Dx8Yp3WZgrNFaQ/+v6xhCd2B2/Rhv5voUl8k2tCvEqnVnIN snZz0DEEfyxJNPRHifFMAsWk1qxPtcU= X-Google-Smtp-Source: AJdET5cdme89U6gGIBKX03O3UztxbFBlflre378spWVpC6qWueyUU5rfrkibvfFvcPsW0riABVpSOg== X-Received: by 2002:adf:9d8d:: with SMTP id p13-v6mr39138wre.12.1540331310526; Tue, 23 Oct 2018 14:48:30 -0700 (PDT) Received: from rywe.jkqxz.net (cpc91242-cmbg18-2-0-cust650.5-4.cable.virginm.net. [82.8.130.139]) by smtp.gmail.com with ESMTPSA id c18-v6sm1389797wrr.74.2018.10.23.14.48.29 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 23 Oct 2018 14:48:29 -0700 (PDT) From: Mark Thompson To: ffmpeg-devel@ffmpeg.org Date: Tue, 23 Oct 2018 22:48:25 +0100 Message-Id: <20181023214826.31994-1-sw@jkqxz.net> X-Mailer: git-send-email 2.19.1 MIME-Version: 1.0 Subject: [FFmpeg-devel] [PATCH 1/2] lavd/v4l2: Avoid warning about path length X-BeenThere: ffmpeg-devel@ffmpeg.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: FFmpeg development discussions and patches List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: FFmpeg development discussions and patches Errors-To: ffmpeg-devel-bounces@ffmpeg.org Sender: "ffmpeg-devel" GCC warns about the name being truncated here - in theory it will indeed behave unexpectedly if the user has a device in /dev with a 255 character name beginning with "video", but this is probably a niche use-case. --- libavdevice/v4l2.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavdevice/v4l2.c b/libavdevice/v4l2.c index 10a0ff0dd6..ba2505769d 100644 --- a/libavdevice/v4l2.c +++ b/libavdevice/v4l2.c @@ -1042,7 +1042,7 @@ static int v4l2_get_device_list(AVFormatContext *ctx, AVDeviceInfoList *device_l return ret; } while ((entry = readdir(dir))) { - char device_name[256]; + char device_name[sizeof(entry->d_name) + 8]; if (!v4l2_is_v4l_dev(entry->d_name)) continue;