From nobody Thu Oct 2 07:43:49 2025 Received: from sipsolutions.net (s3.sipsolutions.net [168.119.38.16]) (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 48E2A3164DA; Fri, 19 Sep 2025 15:36:06 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=168.119.38.16 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1758296169; cv=none; b=XL/7puwxvai0UZs4JBI3dzKuvZlGfC64ePWTt0ISXJ8N4lYqLRUYryUeLst2hkDT9i/tfbsae+1iwAAMcxhTtTMAWbX2Yc7aQsnwlHi/pg0ADQEY+sI+3OpUnkuruN43YXrkCmmYJZ6gXPwooQ1rkFbtv4eZ5Iy6xKX16LMIU9w= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1758296169; c=relaxed/simple; bh=eVum/sAfgEkdwMaGYS2cz+5Pqq4ePIkKr0CqsDt5Ldk=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=fXB+H+Omb73ACALKf1krpAdwGq8LUz4K9/QB3uExMEsPb6GNRhm0zTL5NRrriuK4FIzR/qQMf0RB0tmGoqMVzYnuqNboD5e8+0DDGgXPNeOlCULUSpQGiAgitRY5d4wGVFZhVRflL+WtbNd/d8DWumhaGDd5TrU4jnc/Elsh+FU= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=sipsolutions.net; spf=pass smtp.mailfrom=sipsolutions.net; dkim=pass (2048-bit key) header.d=sipsolutions.net header.i=@sipsolutions.net header.b=vEKPqzV9; arc=none smtp.client-ip=168.119.38.16 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=sipsolutions.net Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=sipsolutions.net Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=sipsolutions.net header.i=@sipsolutions.net header.b="vEKPqzV9" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=sipsolutions.net; s=mail; h=Content-Transfer-Encoding:Content-Type: MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:Cc:To:From:Sender :Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From:Resent-To: Resent-Cc:Resent-Message-ID; bh=Wzmf8ozQSXaIG/+ku6O06QBDiFnQHnI35uzHRTGApx4=; t=1758296166; x=1759505766; b=vEKPqzV9jcJv443XEU2ZNh+F25yWnO+lfeg0GEtdkeFThxf sLwKTMyuZcRcTYo9wYGQNeWl62NhmxrJk6CfbdOgnG9Eh6gTXFbACKVXT3BGOHH6mPtW7w+kpLCAW zdLa88oy2u0QJwh3/S5JT3alslb+8ghVCBlSNUpojbaJSMt/Ms1rzqh7qUsB8FzTCBt/B1DEUOdPr oqfK8HSOB0uasRzdGl0kr217Pe/uESbJiw43rTIqVHNcO0oZAwA0+fUM7SXmXOlQ9f1eiToYUMDAP +Yva8F9ifgmkbhO6Y0pkthmKT8sUBm+jat5MAxviKCmOQJed+0HLFJ9V/onXRdPg==; Received: by sipsolutions.net with esmtpsa (TLS1.3:ECDHE_X25519__RSA_PSS_RSAE_SHA256__AES_256_GCM:256) (Exim 4.98.2) (envelope-from ) id 1uzd9V-0000000G6O6-1ALo; Fri, 19 Sep 2025 17:36:01 +0200 From: Benjamin Berg To: linux-um@lists.infradead.org, Willy Tarreau , =?UTF-8?q?Thomas=20Wei=C3=9Fschuh?= , linux-kselftest@vger.kernel.org, Arnaldo Carvalho de Melo Cc: linux-kernel@vger.kernel.org, Benjamin Berg Subject: [PATCH v2 03/11] tools/nolibc/stdio: remove perror if NOLIBC_IGNORE_ERRNO is set Date: Fri, 19 Sep 2025 17:34:12 +0200 Message-ID: <20250919153420.727385-4-benjamin@sipsolutions.net> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20250919153420.727385-1-benjamin@sipsolutions.net> References: <20250919153420.727385-1-benjamin@sipsolutions.net> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-malware-bazaar: not-scanned From: Benjamin Berg There is no errno variable when NOLIBC_IGNORE_ERRNO is defined. As such, the perror function does not make any sense then and cannot compile. Fixes: acab7bcdb1bc ("tools/nolibc/stdio: add perror() to report the errno = value") Signed-off-by: Benjamin Berg Acked-by: Thomas Wei=C3=9Fschuh --- tools/include/nolibc/stdio.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/tools/include/nolibc/stdio.h b/tools/include/nolibc/stdio.h index 7630234408c5..c512159b8374 100644 --- a/tools/include/nolibc/stdio.h +++ b/tools/include/nolibc/stdio.h @@ -597,11 +597,13 @@ int sscanf(const char *str, const char *format, ...) return ret; } =20 +#ifndef NOLIBC_IGNORE_ERRNO static __attribute__((unused)) void perror(const char *msg) { fprintf(stderr, "%s%serrno=3D%d\n", (msg && *msg) ? msg : "", (msg && *ms= g) ? ": " : "", errno); } +#endif =20 static __attribute__((unused)) int setvbuf(FILE *stream __attribute__((unused)), --=20 2.51.0