From mboxrd@z Thu Jan 1 00:00:00 1970 Delivery-date: Tue, 14 Dec 2021 07:59:05 +0100 Received: from metis.ext.pengutronix.de ([2001:67c:670:201:290:27ff:fe1d:cc33]) 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 1mx1mD-0060cV-Ba for lore@lore.pengutronix.de; Tue, 14 Dec 2021 07:59:05 +0100 Received: from bombadil.infradead.org ([2607:7c80:54:e::133]) by metis.ext.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1mx1mB-0002Gz-QE for lore@pengutronix.de; Tue, 14 Dec 2021 07:59:04 +0100 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:Date: Message-ID:From:References:Cc:To:Subject:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Owner; bh=Ia9Lb/NLM1FfmM30Ep76i8abl+TpYOSvSXv4eu/hxLo=; b=mxkZTv6DZidP2aRWwLG0ZR/KTv hAeJP1P6PESS8SbdKRIn8Jt+LUzV5l0FO/bB1dmbBZ/ssLBBG2fzfAAfMqjtIzg0DBnGjFhhEyoav awjBZ8WUkMV3ZsiYERNyTwbztKEUUd+qZVKXJOd+WyfoZjD/uOwqo0GVT7nHX1Vm8TBWufuFd66MH bSae/Z0C+il+eA66jyqRnOa7aknejygJbSTpu+sh0D7Y4wGNFt4P0RhG42gPKYD1aUCB4BfZeigaH ujMu903CMZg2DGeiZxBVRQP3bUoVjH5iHibw0tmCTXXrk/RnpAMmfIPEjeft3koVbER045cQCuByY rrXaiXWw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mx1kM-00ClrI-04; Tue, 14 Dec 2021 06:57:10 +0000 Received: from metis.ext.pengutronix.de ([2001:67c:670:201:290:27ff:fe1d:cc33]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1mx1kH-00Clqj-1J for barebox@lists.infradead.org; Tue, 14 Dec 2021 06:57:07 +0000 Received: from gallifrey.ext.pengutronix.de ([2001:67c:670:201:5054:ff:fe8d:eefb] helo=[IPv6:::1]) by metis.ext.pengutronix.de with esmtp (Exim 4.92) (envelope-from ) id 1mx1kD-0002Di-H0; Tue, 14 Dec 2021 07:57:01 +0100 To: Sascha Hauer Cc: barebox@lists.infradead.org References: <20211209105708.3517684-1-a.fatoum@pengutronix.de> <20211213222808.GL6003@pengutronix.de> From: Ahmad Fatoum Message-ID: <6780849f-e1f9-fdae-ffb6-02cdde4cdb55@pengutronix.de> Date: Tue, 14 Dec 2021 07:57:01 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.14.0 MIME-Version: 1.0 In-Reply-To: <20211213222808.GL6003@pengutronix.de> Content-Language: en-US X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211213_225705_118479_170B8EB0 X-CRM114-Status: GOOD ( 20.52 ) 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: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "barebox" X-SA-Exim-Connect-IP: 2607:7c80:54:e::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.ext.pengutronix.de X-Spam-Level: X-Spam-Status: No, score=-7.0 required=4.0 tests=AWL,BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,NICE_REPLY_A,RCVD_IN_DNSWL_MED,SPF_HELO_NONE, SPF_NONE autolearn=unavailable autolearn_force=no version=3.4.2 Subject: Re: [PATCH 1/3] vsprintf: add support for printing raw buffers as hex (%*ph) X-SA-Exim-Version: 4.2.1 (built Wed, 08 May 2019 21:11:16 +0000) X-SA-Exim-Scanned: Yes (on metis.ext.pengutronix.de) On 13.12.21 23:28, Sascha Hauer wrote: > On Thu, Dec 09, 2021 at 11:57:06AM +0100, Ahmad Fatoum wrote: >> Import from Linux support for printing buffers as a hex string >> with a certain separator. For larger buffers consider using >> print_hex_dump(). Examples: >> >> %*ph 00 01 02 ... 3f >> %*phC 00:01:02: ... :3f >> %*phD 00-01-02- ... -3f >> %*phN 000102 ... 3f >> >> Signed-off-by: Ahmad Fatoum >> --- >> lib/Kconfig | 3 +++ >> lib/vsprintf.c | 50 ++++++++++++++++++++++++++++++++++++++++++++++++++ >> 2 files changed, 53 insertions(+) >> >> diff --git a/lib/Kconfig b/lib/Kconfig >> index 718033e56e64..27e7bea6852f 100644 >> --- a/lib/Kconfig >> +++ b/lib/Kconfig >> @@ -166,6 +166,9 @@ config PRINTF_UUID >> config PRINTF_WCHAR >> bool >> >> +config PRINTF_HEXSTR >> + bool > > So hexdumps are silently ignored when this option is disabled. Not sure > if this should really be configurable, but I think when it is > configurable it should be default y to avoid surprises. It will be printed as a raw pointer when the option is disabled. There's no code in-tree that uses this format specifier yet, so I prefer to not make this the default and increase binary size. Cheers, Ahmad > > Sascha > > -- Pengutronix e.K. | | Steuerwalder Str. 21 | http://www.pengutronix.de/ | 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 | _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox