From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 593E0C4321E for ; Fri, 2 Dec 2022 16:17:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233935AbiLBQRW (ORCPT ); Fri, 2 Dec 2022 11:17:22 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53784 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233728AbiLBQQx (ORCPT ); Fri, 2 Dec 2022 11:16:53 -0500 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5D1BDBF672; Fri, 2 Dec 2022 08:16:31 -0800 (PST) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id F1B4262333; Fri, 2 Dec 2022 16:16:30 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 68981C43470; Fri, 2 Dec 2022 16:16:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1669997790; bh=PSDlDgg7arSCRfOwK63AE+RLja44ZMgKq2KzkCToYdA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=NYvNrJtWUxlmlj2bF+g+67oP10HdYPd3vqoltQvQaziRXrHKkVy2tkS6KJZgGVRmu Kta1SMRVQjrauuhHyZUGsfZ+gFeo/9OUqHhhFhW4aZouyYM2BWGdG4FbZTH2aBa601 FA24RpWeUlmG/uGJYFgattK88Bs7+wkWpY01RzG2UTKVIVPK0svLEiOagWpFns2qIQ vys8Mt8rXbOr2+yK8inBGfFjgQ3XoQIwW9/qVNbVBD/sA9dfZNdc4vyGSE2WZUlr25 8p4XtNdivPdFdHb8BgDoe0ylmCJ69ZCruINqgFBuqFc/RLCbv4+Wsk/ebd6wOCAFjh d97wO5cO2KqBw== From: ojeda@kernel.org To: Miguel Ojeda , Wedson Almeida Filho , Alex Gaynor , Boqun Feng , Gary Guo , =?UTF-8?q?Bj=C3=B6rn=20Roy=20Baron?= Cc: rust-for-linux@vger.kernel.org, linux-kernel@vger.kernel.org, patches@lists.linux.dev Subject: [PATCH v2 22/28] rust: str: add `fmt!` macro Date: Fri, 2 Dec 2022 17:14:53 +0100 Message-Id: <20221202161502.385525-23-ojeda@kernel.org> In-Reply-To: <20221202161502.385525-1-ojeda@kernel.org> References: <20221202161502.385525-1-ojeda@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: rust-for-linux@vger.kernel.org From: Wedson Almeida Filho Add the `fmt!` macro, which is a convenience alias for the Rust `core::format_args!` macro. For instance, it may be used to create a `CString`: CString::try_from_fmt(fmt!("{}{}", "abc", 42))? Signed-off-by: Wedson Almeida Filho Reviewed-by: Gary Guo [Reworded, adapted for upstream and applied latest changes] Signed-off-by: Miguel Ojeda --- rust/kernel/str.rs | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/rust/kernel/str.rs b/rust/kernel/str.rs index 17dc8d273302..b771310fa4a4 100644 --- a/rust/kernel/str.rs +++ b/rust/kernel/str.rs @@ -583,3 +583,9 @@ impl Deref for CString { unsafe { CStr::from_bytes_with_nul_unchecked(self.buf.as_slice()) } } } + +/// A convenience alias for [`core::format_args`]. +#[macro_export] +macro_rules! fmt { + ($($f:tt)*) => ( core::format_args!($($f)*) ) +} -- 2.38.1