From patchwork Fri Jan 6 19:46:59 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andreas Cadhalpun X-Patchwork-Id: 2079 Delivered-To: ffmpegpatchwork@gmail.com Received: by 10.103.89.21 with SMTP id n21csp5976434vsb; Fri, 6 Jan 2017 11:47:10 -0800 (PST) X-Received: by 10.194.234.65 with SMTP id uc1mr5348582wjc.23.1483732030767; Fri, 06 Jan 2017 11:47:10 -0800 (PST) Return-Path: Received: from ffbox0-bg.mplayerhq.hu (ffbox0-bg.ffmpeg.org. [79.124.17.100]) by mx.google.com with ESMTP id z22si1490915wrc.201.2017.01.06.11.47.10; Fri, 06 Jan 2017 11:47:10 -0800 (PST) Received-SPF: pass (google.com: domain of ffmpeg-devel-bounces@ffmpeg.org designates 79.124.17.100 as permitted sender) client-ip=79.124.17.100; Authentication-Results: mx.google.com; dkim=neutral (body hash did not verify) header.i=@googlemail.com; spf=pass (google.com: domain of ffmpeg-devel-bounces@ffmpeg.org designates 79.124.17.100 as permitted sender) smtp.mailfrom=ffmpeg-devel-bounces@ffmpeg.org; dmarc=fail (p=QUARANTINE dis=NONE) header.from=googlemail.com Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id B7C2268A110; Fri, 6 Jan 2017 21:47:01 +0200 (EET) X-Original-To: ffmpeg-devel@ffmpeg.org Delivered-To: ffmpeg-devel@ffmpeg.org Received: from mail-wm0-f66.google.com (mail-wm0-f66.google.com [74.125.82.66]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTPS id CF23568A0F4 for ; Fri, 6 Jan 2017 21:46:55 +0200 (EET) Received: by mail-wm0-f66.google.com with SMTP id c85so7306385wmi.1 for ; Fri, 06 Jan 2017 11:47:01 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=googlemail.com; s=20161025; h=from:to:subject:message-id:date:user-agent:mime-version :content-transfer-encoding; bh=S+WRFP4ilQ55pwf7L2SfqbUPvAxZU05yQ/n9tU0gLPU=; b=vF9EwQ3yLw9SumY8qBN7/wL3mCI7Z6lMbK3lWHe65FuLwlxerKDwi/XZWoOkN7vt2H ujb/77uVY5RM2Q4YwVx8d4lFDzxw7MCZBLgXmvXdxI1PmfTS40YaUWCgnKrsOZlyGD4j xa+IS4Bb/wWxGTV6wGHX0EHarIoPZh9tXeignB9kTHv0zmOl0JUdtkM8y65N9NFmycXS XHLVlevhQzuTnwGXwJm80EzPAEw1PaCp9VN4Xo7YX6yCr2DUQHinszi+F83Qp31e0lpa hiECKGRtfTMeIhUszu9+AshsGYg/CnkUXVDDbjkaHdzRUTFfBwp4+LBEl+9lZiEO75jf VgYA== 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:message-id:date:user-agent :mime-version:content-transfer-encoding; bh=S+WRFP4ilQ55pwf7L2SfqbUPvAxZU05yQ/n9tU0gLPU=; b=BC16bsrb4vu3OfAtM7w7c0QIcKEySPXnGdAi6cWpgIrWMJOgiEzBoKuZGX94EMBHoe YnltqXoEJWNsbSDSJaxFUScoo5mAT775EoNtGPck7+PYPFuNYeol2d0bFMnlFbRlAi3f 2iKF9MS/hKYCZk1CI2Lq9BhjxAomQ5Hek/tJAPFt437dhbMAEmoG8IxB08PYlP1ezGux Phm9RyHRsESsbtn3L+kfCP3+J8da7u497Rzt9BldwXU763cXNtxYUaplA//BBjHLS+YE 4JfbAdO+KnZC8Zcd+zLn6LvlQd6abm1DsDhjCTQRbI1KQGuD2GCMOlO5cE1ut1x0mm/k KOlw== X-Gm-Message-State: AIkVDXIeiAnWFriMxVsDpOyxR7BGIjcVUZOIQP6ZINz4GsvBU5bj5WKCpy08BY4QNBqymA== X-Received: by 10.223.132.230 with SMTP id 93mr2503216wrg.102.1483732021162; Fri, 06 Jan 2017 11:47:01 -0800 (PST) Received: from [192.168.2.21] (p5B072B3E.dip0.t-ipconnect.de. [91.7.43.62]) by smtp.googlemail.com with ESMTPSA id e3sm75069322wjm.12.2017.01.06.11.47.00 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 06 Jan 2017 11:47:00 -0800 (PST) From: Andreas Cadhalpun X-Google-Original-From: Andreas Cadhalpun To: FFmpeg development discussions and patches Message-ID: <8f290505-70a1-d5b0-cbcf-96522ab12ce4@googlemail.com> Date: Fri, 6 Jan 2017 20:46:59 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Icedove/45.4.0 MIME-Version: 1.0 Subject: [FFmpeg-devel] [PATCH 1/9] avutil: add FF_RETURN_ON_OVERFLOW 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" Suggested-by: Rodger Combs Signed-off-by: Andreas Cadhalpun --- Changed the name as suggested by wm4 and the return value as suggested by Muhammad Faiz. There are also two new overflow checks at the end of the series. --- libavutil/common.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/libavutil/common.h b/libavutil/common.h index 8142b31fdb..6d795a353a 100644 --- a/libavutil/common.h +++ b/libavutil/common.h @@ -99,6 +99,8 @@ #define FFSWAP(type,a,b) do{type SWAP_tmp= b; b= a; a= SWAP_tmp;}while(0) #define FF_ARRAY_ELEMS(a) (sizeof(a) / sizeof((a)[0])) +#define FF_RETURN_ON_OVERFLOW(ctx, x) if (x) {av_log(ctx, AV_LOG_ERROR, "Overflow check failed: " #x"\n"); return AVERROR(ERANGE);} + /* misc math functions */ #ifdef HAVE_AV_CONFIG_H