From patchwork Sun Nov 17 18:50:58 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alain Knaff X-Patchwork-Id: 13877910 Received: from sendar.prophecy.lu (sendar.prophecy.lu [213.135.235.227]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 1F95ACA64 for ; Sun, 17 Nov 2024 18:51:05 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=213.135.235.227 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1731869470; cv=none; b=BLjInSM/YQRoumwQB6g7TGwNZas4KLXfCu6egXzkr3Hi13ONVoeM9RjazcLSs4G8PbcbPN+RjQ576v9JBvvUpetrWU9QfnArWv+HWn8stBRSazRjEZYszrX5IGm7dcjnhjxHAH7G1WeNERGXJ6BwMkFxmJSa3f66GGvUsYfBI50= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1731869470; c=relaxed/simple; bh=XPOJz69vK60mJ+t79I7AXZOrtKG8v4VXPFtzQLjV04Q=; h=Message-ID:Date:MIME-Version:From:Subject:To:Cc:References: In-Reply-To:Content-Type; b=iUbbCHkfu5JvunzZFySy+c7Y3lVNHCn9/hUtn/3xsROiMWoiPpQw9CgzLpuvBNsT/qFK+ywio+/8pqwWHnPKIna/an5thc9dohY+NjmNgg846N2Xh8I+rd9jNRXDcMrn+b8w8s6JMAaebVQDnR++pWok23tX7yR96wGL8+hyuck= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=knaff.lu; spf=pass smtp.mailfrom=knaff.lu; arc=none smtp.client-ip=213.135.235.227 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=knaff.lu Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=knaff.lu Received: from out.lll.lu ([IPv6:2001:7e8:f647:7601:109f:38a2:baed:e155]) by prophecy.lu (8.15.2/8.15.2/Debian-22.1ubuntu3) with ESMTPS id 4AHIp0hd235684 (version=TLSv1.3 cipher=TLS_AES_256_GCM_SHA384 bits=256 verify=OK); Sun, 17 Nov 2024 19:51:01 +0100 X-Envelope-To: dash@vger.kernel.org Received: from [192.168.42.21] (vodsl-562.vo.lu [80.90.34.50]) (authenticated bits=0) by lll.lu (8.17.1.9/8.17.1.9/Debian-2.1) with ESMTPSA id 4AHIowbk443118 (version=TLSv1.3 cipher=TLS_AES_256_GCM_SHA384 bits=256 verify=NO); Sun, 17 Nov 2024 19:50:59 +0100 Message-ID: <69f0a5dd-cd31-48c3-a633-9d26ab93714f@knaff.lu> Date: Sun, 17 Nov 2024 19:50:58 +0100 Precedence: bulk X-Mailing-List: dash@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird From: Alain Knaff Subject: AT&T Unix PC : 15-realloc-null To: Herbert Xu Cc: dash@vger.kernel.org References: <6ea7da38-204f-54bf-7156-085a1589c40b@knaff.lu> <6cacf608-326e-211a-7d37-164041710980@knaff.lu> Content-Language: en-US Autocrypt: addr=alain@knaff.lu; keydata= xsDiBEk9qFcRBADO4trPtib39qvAEBlkAIcBGnZ137EmmNLU1pFZC5acLyJ4wYhVdcol97lC 4ZkD0DJek6DVidQfz4hA7JbZy2W8l6O/o2k/Ja2bWkb8qtrcUNVDJzdJjNqXmmxdsyLd5QVt uCHgi3Zz0kq9aJnRCVuAyfrjMdaUsOThi07u1EyEywCgjxVKODAifumqfdjVxS5NoV7x7TkD /0k2F3/5/NYchgLz6Qu3As5MVtPs7NkJ0Mpal4Gy8CaKefHcynY+zCziM/oBw0+PIFxyFud0 uT9HRIdEp1DlaTTUYlt95HeDYmCUh0Wt1PwNNRWcm+vTUuK7tOxzYadUqbzO+F6C+WN8msxA hcxzUgsL/YyXVilvL8XqB+RlS5bBA/9OxXc2mJs01nWu5khvVFNwUCDS8FRYyoHeodVZFGLC UG1PrV9nHva5vYJk1QlZP3qEotnK+6l4708X9yhdw2+UCtxvseTQ6JWBtIdJyo+Qv7apSQA3 kkau6Om7SOyW1i/2LcCZU84SC923uBH7VNeUzCnzelVFubk6eRwzjNvrj80cQUxBSU4gS05B RkYgPGFsYWluQGtuYWZmLmx1PsJgBBMRAgAgBQJJPahXAhsDBgsJCAcDAgQVAggDBBYCAwEC HgECF4AACgkQyAYxsm9DGWFEsgCeOSavzyOp8Bj3nOP8hC6XeCX/3k4Anj0KegsyeIVxuj5X TUnh535vXfZvzsFNBEk9qFoQCACt2vctXYAr+ndRbaeR4ygJ8rKH8ARu68nDuQuxOKCasaQr xm8+/RxvmTfriP00tYZAca2tmCjwntKVsK4eNSivvo6c7BwziCnQx/vW+kJK4ctckMHSZPqe 4a1HWYURg5oxaqGo4f06YAn9O0yDo6xdGGNUMpYHv2O1/jsAEgAM/c/US+gNctzsNKQ4lVwp HH4NEabev+zlisnTO3V39iXijZbe9AYlD4qZH/0nFBDCCt9EDTe+/6IFfvIrnVx7o367U9XL SCLVQt4k7xqCIow7RP5BlOYLDV50yMva8c62yhWpDYKSyJsQGn/nGiiv6P4Ye/monfkQD+PC nKPXDYCjAAMFB/9D2FSYHyikvOoXXMTfjGHUyIQK6FCtKINTFfBPuwlWOWCukrQrzH0BmTVC /WuMOrrmxl0IFHGtOV2Zp+bdsjhlzgZ4kXAmqw1Qiphb/YLD6VY5TQ59Tkl7+nCQ0wjcRim1 Sg6OzmoNttHpTt9eAvLZMz7yi9Nq40yKXh+zXZtzHIgdsXG+tO9+LEWojdbXgIdZin2yUKYt KxbpwyM0qCN9oGtKTAi0GX+tuHdAqWwYEgVnd27LcBGLTs6QJPsjQKHiAtYJwu6MWiF7bvCr iBNyVG3yU3inZcQvIdYxO0VUN3wVSEIbRHcNzG2u1UD6ZuF+3bv39dh54m1CQzbzzRepwkkE GBECAAkFAkk9qFoCGwwACgkQyAYxsm9DGWHNLwCfWr4DLrBZMktv9RTGbcIZ+/NgTswAn3aG LBuTFPDEO0bfA+7PlpCctCJT In-Reply-To: Hi, On UnixPC, realloc of a NULL pointer returns NULL, whereas on most today's architectures it behaves the same way as malloc. So we just wrap it. Regards, Alain diff -X ../exclude.txt -urN dash-0.5.12+14-broken-wait-h/src/memalloc.c dash-0.5.12+15-realloc-null/src/memalloc.c --- dash-0.5.12+14-broken-wait-h/src/memalloc.c 2024-10-27 20:32:54.604833876 +0000 +++ dash-0.5.12+15-realloc-null/src/memalloc.c 2024-10-27 20:32:44.700597405 +0000 @@ -68,7 +68,10 @@ pointer ckrealloc(pointer p, size_t nbytes) { - p = realloc(p, nbytes); + if(p == NULL) + p = malloc(nbytes); + else + p = realloc(p, nbytes); if (p == NULL) sh_error("Out of space"); return p;