Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262404AbVAJSsJ (ORCPT ); Mon, 10 Jan 2005 13:48:09 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262412AbVAJSXo (ORCPT ); Mon, 10 Jan 2005 13:23:44 -0500 Received: from e34.co.us.ibm.com ([32.97.110.132]:23708 "EHLO e34.co.us.ibm.com") by vger.kernel.org with ESMTP id S262405AbVAJSHK (ORCPT ); Mon, 10 Jan 2005 13:07:10 -0500 Subject: [PATCH 2/6] 2.4.19-rc1 number() stack reduction From: Badari Pulavarty To: Marcelo Tosatti Cc: Linux Kernel Mailing List In-Reply-To: <1105378550.4000.132.camel@dyn318077bld.beaverton.ibm.com> References: <1105378550.4000.132.camel@dyn318077bld.beaverton.ibm.com> Content-Type: multipart/mixed; boundary="=-lPfPqwq1flEktnaEFM6+" Organization: Message-Id: <1105378775.4000.138.camel@dyn318077bld.beaverton.ibm.com> Mime-Version: 1.0 X-Mailer: Ximian Evolution 1.2.2 (1.2.2-5) Date: 10 Jan 2005 09:39:36 -0800 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1551 Lines: 42 --=-lPfPqwq1flEktnaEFM6+ Content-Type: text/plain Content-Transfer-Encoding: 7bit --=-lPfPqwq1flEktnaEFM6+ Content-Disposition: attachment; filename=number.patch Content-Type: text/plain; name=number.patch; charset=UTF-8 Content-Transfer-Encoding: 7bit Signed-off-by: Badari Pulavarty --- linux-2.4.29-rc1.org/lib/vsprintf.c 2004-02-18 05:36:32.000000000 -0800 +++ linux-2.4.29-rc1/lib/vsprintf.c 2005-01-07 07:56:00.000000000 -0800 @@ -128,12 +128,16 @@ static int skip_atoi(const char **s) #define SPECIAL 32 /* 0x */ #define LARGE 64 /* use 'ABCDEF' instead of 'abcdef' */ + /* Move these off of the stack for number(). This way we reduce the + * size of the stack and don't have to copy them every time we are called. + */ +const char small_digits[] = "0123456789abcdefghijklmnopqrstuvwxyz"; +const char large_digits[] = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ"; + static char * number(char * buf, char * end, long long num, int base, int size, int precision, int type) { char c,sign,tmp[66]; const char *digits; - static const char small_digits[] = "0123456789abcdefghijklmnopqrstuvwxyz"; - static const char large_digits[] = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ"; int i; digits = (type & LARGE) ? large_digits : small_digits; --=-lPfPqwq1flEktnaEFM6+-- - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/