From nobody Sun Feb 8 05:27:02 2026 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 BF867C001DB for ; Fri, 4 Aug 2023 08:26:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234622AbjHDI0m (ORCPT ); Fri, 4 Aug 2023 04:26:42 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59330 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234558AbjHDI00 (ORCPT ); Fri, 4 Aug 2023 04:26:26 -0400 Received: from mgamail.intel.com (mgamail.intel.com [192.55.52.115]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8695730E0 for ; Fri, 4 Aug 2023 01:26:25 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1691137585; x=1722673585; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=oOKhR2UGvbPRHxNgYwLaRfSIwQ0Gyd6LYZcMKMFhKWQ=; b=ResE7mYAXbqhbH0c3BBb9SaOuQIeXhH9h3nAgnc/kpTMlgkIgOJ1OeBe N6x3p6yscqtG+Tm6K6DLlkH0/Wnfn3puSUJld+6p/NBECV+tzOte3A1CU /TGBbeVNELxROIDrQK8eRX9qczFA4D0ozhX1D8lvgLDY4sueuw+SDi4uu WE2F1K5An4IQGoFOrx2hd0bgMv07UA0ZDj7/M2inj9hQLGJaHV6Jq3YP1 QaTv1CqK9SAcieZBvOSRzX/93lfJPsPZPkkRMQdqKdoQbLhy3gkN9BaGu IeKWf3762c0juWNkivmehS30w/k4HKPO26C+m+oC4D60M6fz4JlMkJ1pu A==; X-IronPort-AV: E=McAfee;i="6600,9927,10791"; a="370090212" X-IronPort-AV: E=Sophos;i="6.01,254,1684825200"; d="scan'208";a="370090212" Received: from fmsmga007.fm.intel.com ([10.253.24.52]) by fmsmga103.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 04 Aug 2023 01:26:24 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10791"; a="733132237" X-IronPort-AV: E=Sophos;i="6.01,254,1684825200"; d="scan'208";a="733132237" Received: from black.fi.intel.com ([10.237.72.28]) by fmsmga007.fm.intel.com with ESMTP; 04 Aug 2023 01:26:21 -0700 Received: by black.fi.intel.com (Postfix, from userid 1003) id 99899F12; Fri, 4 Aug 2023 11:26:32 +0300 (EEST) From: Andy Shevchenko To: Andy Shevchenko , Marco Elver , linux-kernel@vger.kernel.org, kasan-dev@googlegroups.com, linux-mm@kvack.org Cc: Petr Mladek , Steven Rostedt , Rasmus Villemoes , Sergey Senozhatsky , Alexander Potapenko , Dmitry Vyukov , Andrew Morton Subject: [PATCH v1 4/4] lib/vsprintf: Split out sprintf() and friends Date: Fri, 4 Aug 2023 11:26:19 +0300 Message-Id: <20230804082619.61833-5-andriy.shevchenko@linux.intel.com> X-Mailer: git-send-email 2.40.0.1.gaa8946217a0b In-Reply-To: <20230804082619.61833-1-andriy.shevchenko@linux.intel.com> References: <20230804082619.61833-1-andriy.shevchenko@linux.intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" kernel.h is being used as a dump for all kinds of stuff for a long time. sprintf() and friends are used in many drivers without need of the full kernel.h dependency train with it. Here is the attempt on cleaning it up by splitting out sprintf() and friends. Signed-off-by: Andy Shevchenko --- include/linux/kernel.h | 30 +----------------------------- include/linux/sprintf.h | 24 ++++++++++++++++++++++++ lib/vsprintf.c | 1 + 3 files changed, 26 insertions(+), 29 deletions(-) create mode 100644 include/linux/sprintf.h diff --git a/include/linux/kernel.h b/include/linux/kernel.h index b9e76f717a7e..cee8fe87e9f4 100644 --- a/include/linux/kernel.h +++ b/include/linux/kernel.h @@ -29,6 +29,7 @@ #include #include #include +#include #include #include #include @@ -203,35 +204,6 @@ static inline void might_fault(void) { } =20 void do_exit(long error_code) __noreturn; =20 -extern int num_to_str(char *buf, int size, - unsigned long long num, unsigned int width); - -/* lib/printf utilities */ - -extern __printf(2, 3) int sprintf(char *buf, const char * fmt, ...); -extern __printf(2, 0) int vsprintf(char *buf, const char *, va_list); -extern __printf(3, 4) -int snprintf(char *buf, size_t size, const char *fmt, ...); -extern __printf(3, 0) -int vsnprintf(char *buf, size_t size, const char *fmt, va_list args); -extern __printf(3, 4) -int scnprintf(char *buf, size_t size, const char *fmt, ...); -extern __printf(3, 0) -int vscnprintf(char *buf, size_t size, const char *fmt, va_list args); -extern __printf(2, 3) __malloc -char *kasprintf(gfp_t gfp, const char *fmt, ...); -extern __printf(2, 0) __malloc -char *kvasprintf(gfp_t gfp, const char *fmt, va_list args); -extern __printf(2, 0) -const char *kvasprintf_const(gfp_t gfp, const char *fmt, va_list args); - -extern __scanf(2, 3) -int sscanf(const char *, const char *, ...); -extern __scanf(2, 0) -int vsscanf(const char *, const char *, va_list); - -extern int no_hash_pointers_enable(char *str); - extern int get_option(char **str, int *pint); extern char *get_options(const char *str, int nints, int *ints); extern unsigned long long memparse(const char *ptr, char **retptr); diff --git a/include/linux/sprintf.h b/include/linux/sprintf.h new file mode 100644 index 000000000000..00d1fdc70a3e --- /dev/null +++ b/include/linux/sprintf.h @@ -0,0 +1,24 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _LINUX_KERNEL_SPRINTF_H_ +#define _LINUX_KERNEL_SPRINTF_H_ + +#include + +int num_to_str(char *buf, int size, unsigned long long num, unsigned int w= idth); + +__printf(2, 3) int sprintf(char *buf, const char * fmt, ...); +__printf(2, 0) int vsprintf(char *buf, const char *, va_list); +__printf(3, 4) int snprintf(char *buf, size_t size, const char *fmt, ...); +__printf(3, 0) int vsnprintf(char *buf, size_t size, const char *fmt, va_l= ist args); +__printf(3, 4) int scnprintf(char *buf, size_t size, const char *fmt, ...); +__printf(3, 0) int vscnprintf(char *buf, size_t size, const char *fmt, va_= list args); +__printf(2, 3) __malloc char *kasprintf(gfp_t gfp, const char *fmt, ...); +__printf(2, 0) __malloc char *kvasprintf(gfp_t gfp, const char *fmt, va_li= st args); +__printf(2, 0) const char *kvasprintf_const(gfp_t gfp, const char *fmt, va= _list args); + +__scanf(2, 3) int sscanf(const char *, const char *, ...); +__scanf(2, 0) int vsscanf(const char *, const char *, va_list); + +int no_hash_pointers_enable(char *str); + +#endif /* _LINUX_KERNEL_SPRINTF_H */ diff --git a/lib/vsprintf.c b/lib/vsprintf.c index eb0934d02722..e553bc9e18f3 100644 --- a/lib/vsprintf.c +++ b/lib/vsprintf.c @@ -34,6 +34,7 @@ #include #include #include +#include #include #include #include --=20 2.40.0.1.gaa8946217a0b