From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 1944) id E00B8384BC3A; Wed, 26 Oct 2022 15:13:09 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org E00B8384BC3A DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sourceware.org; s=default; t=1666797189; bh=gVlhVcvHv6pCGSguPKl/7UoPPzD96nEhHm5hqgesRgk=; h=From:To:Subject:Date:From; b=ZRS5FMVwxV+W1sSX7AodjL/ZDdF+JinjtA8jFky0ivZBhT6sbEQqqOgjQ9iqpFntU +4PSpcLk948Awt3i/bj/8vrlIvHXueRsTpLa4u9YkHTi9usqg4Uw19cyLXhBtQJ9J6 TGqAp3gQQBNfq1dIcCwsuXCPcfn/qd84Pew1Ox30= 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 strspn X-Act-Checkin: glibc X-Git-Author: Szabolcs Nagy X-Git-Refname: refs/heads/arm/morello/main X-Git-Oldrev: 51ba9f28a09a90a7203db2c9e8cca5d56873e655 X-Git-Newrev: b03ee6cddab51263b1dda676f612dff7238017fe Message-Id: <20221026151309.E00B8384BC3A@sourceware.org> Date: Wed, 26 Oct 2022 15:13:09 +0000 (GMT) List-Id: https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=b03ee6cddab51263b1dda676f612dff7238017fe commit b03ee6cddab51263b1dda676f612dff7238017fe Author: Szabolcs Nagy Date: Wed Mar 16 10:58:57 2022 +0000 aarch64: morello: string: dummy c strspn avoids out of bound access of the generic implementation. Diff: --- sysdeps/aarch64/morello/strspn.c | 40 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 40 insertions(+) diff --git a/sysdeps/aarch64/morello/strspn.c b/sysdeps/aarch64/morello/strspn.c new file mode 100644 index 0000000000..7ec59aaf15 --- /dev/null +++ b/sysdeps/aarch64/morello/strspn.c @@ -0,0 +1,40 @@ +/* Simple strspn. + + 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 strspn (const char *str, const char *accept) +{ + if (accept[0] == 0) + return 0; + if (accept[1] == 0) + { + const char *p; + for (p = str; *p == accept[0]; p++); + return p - str; + } + + unsigned char table[256] = {0}; + unsigned char *us; + for (us = (unsigned char*) accept; *us != 0; table[*us++] = 1); + + for (us = (unsigned char*) str; table[*us] != 0; us++); + return us - (unsigned char *) str; +} +libc_hidden_builtin_def (strspn)