From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 1944) id CF2D7385114A; Wed, 26 Oct 2022 15:13:04 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org CF2D7385114A DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sourceware.org; s=default; t=1666797184; bh=ehBEY7nPliaWUAJO3ERtkk9/8DhIw2FK4n2P9c3Wg2M=; h=From:To:Subject:Date:From; b=J2A2+thRxsKXkL9vKCxS2oQ8ja0pH3SdgCYDRRMIUahpB1u3ubU5F2bGJ4uUpqdcU tyHZCKkOa8N1xce/lS/Md7Jvyp5ljGslmeGqnwmtcuZByHG9cFiv2UGpFlEHyD5nIG XPFuswqFKykh0Fxv/4NvX2YOy7h+DSHOHYsDVCR4= Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit From: Szabolcs Nagy To: glibc-cvs@sourceware.org Subject: [glibc/arm/morello/main] aarch64: morello: string: dummy c strcspn X-Act-Checkin: glibc X-Git-Author: Szabolcs Nagy X-Git-Refname: refs/heads/arm/morello/main X-Git-Oldrev: 3dc00776cd169d803fadb6b4a0520ffac5378578 X-Git-Newrev: 51ba9f28a09a90a7203db2c9e8cca5d56873e655 Message-Id: <20221026151304.CF2D7385114A@sourceware.org> Date: Wed, 26 Oct 2022 15:13:04 +0000 (GMT) List-Id: https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=51ba9f28a09a90a7203db2c9e8cca5d56873e655 commit 51ba9f28a09a90a7203db2c9e8cca5d56873e655 Author: Szabolcs Nagy Date: Wed Mar 16 10:59:17 2022 +0000 aarch64: morello: string: dummy c strcspn avoids out of bounds access of the generic implementation. Diff: --- sysdeps/aarch64/morello/strcspn.c | 35 +++++++++++++++++++++++++++++++++++ 1 file changed, 35 insertions(+) diff --git a/sysdeps/aarch64/morello/strcspn.c b/sysdeps/aarch64/morello/strcspn.c new file mode 100644 index 0000000000..82c33cdcbf --- /dev/null +++ b/sysdeps/aarch64/morello/strcspn.c @@ -0,0 +1,35 @@ +/* Simple strcspn. + + Copyright (C) 2022 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + . */ + +#include + +size_t strcspn (const char *str, const char *reject) +{ + if (reject[0] == 0 || reject[1] == 0) + return __strchrnul (str, reject[0]) - str; + + unsigned char table[256] = {0}; + unsigned char *us; + for (us = (unsigned char*) reject; *us != 0; table[*us++] = 1); + table[*us] = 1; + + for (us = (unsigned char*) str; table[*us] == 0; us++); + return us - (unsigned char *) str; +} +libc_hidden_builtin_def (strcspn)