From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mx.treblig.org (mx.treblig.org [46.235.229.95]) (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 BAB602D2482 for ; Mon, 18 Aug 2025 17:45:55 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=46.235.229.95 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1755539157; cv=none; b=oGS9+GgXMt1V1OmRDyIl2odtTiuwFOFGUQFduhJtTIE0xwmRx41kitL7zPW0mmkUYgPm4LcwcIbDGtHpG5gO8JDansNE+HR3LXDLfKIhzht0WLFBpAnSM/YUTz4Q7y+Jrz25iPNc4MxWBjaNjMLnu0UYk/ZgP7BFaDRZgP6z7rk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1755539157; c=relaxed/simple; bh=B086LUYzqu3cLbF00UDWAC/pJuX7b0p47rLolKE/3fg=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=hyXDb0M4e5rlCZPQSRqSy05fDcNEf0MtzR0lx4V7h77sBpStbdG/ue1CzN9tfss8RG8yl7HqfAOp2d+TsCKMpCuXmjfjXfWxJgnDRUqQ3bSoi+Q88CTNuuteV0WFmxOMzA5lulgXrZCT5cWgsVWkCRw1XKMa3subKKHXsrnSby0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=treblig.org; spf=pass smtp.mailfrom=treblig.org; dkim=pass (2048-bit key) header.d=treblig.org header.i=@treblig.org header.b=ERAybNiQ; arc=none smtp.client-ip=46.235.229.95 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=treblig.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=treblig.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=treblig.org header.i=@treblig.org header.b="ERAybNiQ" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=treblig.org ; s=bytemarkmx; h=MIME-Version:Message-ID:Date:Subject:From:Content-Type:From :Subject; bh=xyc/nX4feuMWYNo11WA67vZkWvERp0o1aPP568mesg4=; b=ERAybNiQ6yPiv7jd 3oJ0aAwGPvMiA2+3aYcTWMDcC9Y8wCXYrVsfy9MEjCETG/dUKusu7FVKayRTI9DZL6bfN4lItnOiE P1CfBR/gKRyRmMea9pe2ESh53yTa11dFehbzasWtZ/EZO5JOy+tWCwkOgmm30J84WHHqJcy9c1y4M SnKthc+hi9OmZB4+A9pntsixunPfuPMmVqwqBXfarcw4ItqggxrQK8+soHakynUu40mBLCRxHICI+ RkLMcNFp6A3Nnxj40Y/hSpZg06Crmop4xuSQvZSRlomSVCUcowswVxu1X1I80RRvWucpLiMW+NaoK NnNXhDokicvOHpvL8A==; Received: from localhost ([127.0.0.1] helo=dalek.home.treblig.org) by mx.treblig.org with esmtp (Exim 4.96) (envelope-from ) id 1uo3vd-004f2N-1f; Mon, 18 Aug 2025 17:45:53 +0000 From: dave@treblig.org To: alx@kernel.org Cc: linux-man@vger.kernel.org, "Dr. David Alan Gilbert" Subject: [PATCH v2] man/man3/strftime.3: Check parameter Date: Mon, 18 Aug 2025 18:45:53 +0100 Message-ID: <20250818174553.70132-1-dave@treblig.org> X-Mailer: git-send-email 2.50.1 Precedence: bulk X-Mailing-List: linux-man@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: "Dr. David Alan Gilbert" The strftime example requires a format paramter. If you don't pass one it crashes. Check for the parameter. Signed-off-by: Dr. David Alan Gilbert --- v2 Use a more standard Usage: format. man/man3/strftime.3 | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/man/man3/strftime.3 b/man/man3/strftime.3 index 4a3f805bb..a27dfd01b 100644 --- a/man/man3/strftime.3 +++ b/man/man3/strftime.3 @@ -739,6 +739,11 @@ .SS Program source char outstr[200]; time_t t; struct tm *tmp; +\& + if (argc != 2) { + fprintf(stderr,"Usage: %s: \[rs]n", argv[0]); + exit(EXIT_FAILURE); + } \& t = time(NULL); tmp = localtime(&t); -- 2.50.1