Date: Thu, 7 Jan 2021 23:20:51 GMT From: Vladimir Kondratyev <wulf@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org Subject: git: 92cf602e3809 - main - Copy strcasestr.c from libc to libkern. Message-ID: <202101072320.107NKpMS063374@gitrepo.freebsd.org>
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The branch main has been updated by wulf: URL: https://cgit.FreeBSD.org/src/commit/?id=92cf602e3809f2bcb0490b3895025b0185e2daa9 commit 92cf602e3809f2bcb0490b3895025b0185e2daa9 Author: Vladimir Kondratyev <wulf@FreeBSD.org> AuthorDate: 2020-04-21 22:38:14 +0000 Commit: Vladimir Kondratyev <wulf@FreeBSD.org> CommitDate: 2021-01-07 23:18:42 +0000 Copy strcasestr.c from libc to libkern. --- sys/libkern/strcasestr.c | 74 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 74 insertions(+) diff --git a/sys/libkern/strcasestr.c b/sys/libkern/strcasestr.c new file mode 100644 index 000000000000..b70c2195a94e --- /dev/null +++ b/sys/libkern/strcasestr.c @@ -0,0 +1,74 @@ +/*- + * SPDX-License-Identifier: BSD-3-Clause + * + * Copyright (c) 1990, 1993 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Chris Torek. + * + * Copyright (c) 2011 The FreeBSD Foundation + * All rights reserved. + * Portions of this software were developed by David Chisnall + * under sponsorship from the FreeBSD Foundation. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +#include <ctype.h> +#include <string.h> +#include "xlocale_private.h" + +/* + * Find the first occurrence of find in s, ignore case. + */ +char * +strcasestr_l(const char *s, const char *find, locale_t locale) +{ + char c, sc; + size_t len; + FIX_LOCALE(locale); + + if ((c = *find++) != 0) { + c = tolower_l((unsigned char)c, locale); + len = strlen(find); + do { + do { + if ((sc = *s++) == 0) + return (NULL); + } while ((char)tolower_l((unsigned char)sc, locale) != c); + } while (strncasecmp_l(s, find, len, locale) != 0); + s--; + } + return ((char *)s); +} +char * +strcasestr(const char *s, const char *find) +{ + return strcasestr_l(s, find, __get_locale()); +}
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