From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 1944) id 3A8053853D6B; Wed, 23 Nov 2022 14:41:38 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 3A8053853D6B DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sourceware.org; s=default; t=1669214498; bh=6htuEPbdnWp2+zxy+LtUXNkwIH7gzuFa2uYTj5vPbzg=; h=From:To:Subject:Date:From; b=uZ/cF30gvCzwCHX9dG1qNs0aY/XnBq4GoqpdQWvFCQrqQE7WHiBBJTi1o+lXKLtte Ek7uGlOcWFkxlZEUY7NnCAh5PC8sOUSKh/WRSdXOfGvLnkKEKMIGpp9VlnYbv4rGRJ FYS9Dxio+RYEa7rIU8Zkexxuf1/z/tiG57GaT1n0= 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: 69711df0c6db274385e123d8ede8d8e755c6798a X-Git-Newrev: f750e14d55186cb9aa345eb3b139fd8fe7fdfbc1 Message-Id: <20221123144138.3A8053853D6B@sourceware.org> Date: Wed, 23 Nov 2022 14:41:38 +0000 (GMT) List-Id: https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=f750e14d55186cb9aa345eb3b139fd8fe7fdfbc1 commit f750e14d55186cb9aa345eb3b139fd8fe7fdfbc1 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)