From mboxrd@z Thu Jan 1 00:00:00 1970 Delivery-date: Fri, 20 Oct 2023 09:24:25 +0200 Received: from metis.whiteo.stw.pengutronix.de ([2a0a:edc0:2:b01:1d::104]) by lore.white.stw.pengutronix.de with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1qtjrt-00FGhA-Md for lore@lore.pengutronix.de; Fri, 20 Oct 2023 09:24:25 +0200 Received: from bombadil.infradead.org ([2607:7c80:54:3::133]) by metis.whiteo.stw.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1qtjrs-0007rK-I4 for lore@pengutronix.de; Fri, 20 Oct 2023 09:24:25 +0200 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From: Reply-To:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=rs/X60X0GKPR9yGgBN2mnAhhvRHeolSILkGgToCbEls=; b=0r/WVQhDv9nKJIGPcIW+n7IVqq JDj95BAEdTuCEue6m4fgrkG69ueiHmHnz8OvdQ3miIAyDsNX3oJKY3xv1mxlGqrTH+uGQDsKPbm7I saVPElsG4UQ+2Gq4TM7Zav9xZEdosQ7pT6zU9iIYtVQu1dOMAC4lSyj03eD7evBgBZXPUPa9VaXTt qv/0AZN2a4D3HulR9g+OQy8ZFsbH4p6ErFihlwNw5mYgmChwzH2BkzyeCU0GPZrieup+B1D/J2CCG f1wSlmyJBruRJbp7z/+w+omarQVq0hEpjUt6jD5GotmZgZ++gM8t7DrzrKZhZcF+5gUk/Xc6Y4kOf ax8gsevw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qtjqt-001Qnd-0r; Fri, 20 Oct 2023 07:23:23 +0000 Received: from metis.whiteo.stw.pengutronix.de ([2a0a:edc0:2:b01:1d::104]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1qtjqq-001QmX-2g for barebox@lists.infradead.org; Fri, 20 Oct 2023 07:23:21 +0000 Received: from drehscheibe.grey.stw.pengutronix.de ([2a0a:edc0:0:c01:1d::a2]) by metis.whiteo.stw.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1qtjqp-0007bz-LY; Fri, 20 Oct 2023 09:23:19 +0200 Received: from [2a0a:edc0:0:1101:1d::54] (helo=dude05.red.stw.pengutronix.de) by drehscheibe.grey.stw.pengutronix.de with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1qtjqp-002yMk-80; Fri, 20 Oct 2023 09:23:19 +0200 Received: from afa by dude05.red.stw.pengutronix.de with local (Exim 4.96) (envelope-from ) id 1qtjqp-00BsRE-0f; Fri, 20 Oct 2023 09:23:19 +0200 From: Ahmad Fatoum To: barebox@lists.infradead.org Cc: Ahmad Fatoum Date: Fri, 20 Oct 2023 09:23:15 +0200 Message-Id: <20231020072316.2830850-2-a.fatoum@pengutronix.de> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20231020072316.2830850-1-a.fatoum@pengutronix.de> References: <20231020072316.2830850-1-a.fatoum@pengutronix.de> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20231020_002320_868868_BFB32F59 X-CRM114-Status: UNSURE ( 9.09 ) X-CRM114-Notice: Please train this message. X-BeenThere: barebox@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "barebox" X-SA-Exim-Connect-IP: 2607:7c80:54:3::133 X-SA-Exim-Mail-From: barebox-bounces+lore=pengutronix.de@lists.infradead.org X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on metis.whiteo.stw.pengutronix.de X-Spam-Level: X-Spam-Status: No, score=-4.9 required=4.0 tests=AWL,BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED,SPF_HELO_NONE,SPF_NONE autolearn=unavailable autolearn_force=no version=3.4.2 Subject: [PATCH master 2/3] include: import Linux string_is_terminated helper X-SA-Exim-Version: 4.2.1 (built Wed, 08 May 2019 21:11:16 +0000) X-SA-Exim-Scanned: Yes (on metis.whiteo.stw.pengutronix.de) Some binary formats read by barebox feature null-terminated string. Import the kernel's string_is_terminated() helper to verify such strings before passing them to string API. Signed-off-by: Ahmad Fatoum --- include/linux/string_helpers.h | 13 +++++++++++++ 1 file changed, 13 insertions(+) create mode 100644 include/linux/string_helpers.h diff --git a/include/linux/string_helpers.h b/include/linux/string_helpers.h new file mode 100644 index 000000000000..5a8a469be7c0 --- /dev/null +++ b/include/linux/string_helpers.h @@ -0,0 +1,13 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _LINUX_STRING_HELPERS_H_ +#define _LINUX_STRING_HELPERS_H_ + +#include +#include + +static inline bool string_is_terminated(const char *s, int len) +{ + return memchr(s, '\0', len) ? true : false; +} + +#endif -- 2.39.2