xref: /src/lib/libc/aarch64/string/strpbrk.c (revision 89b3872376cbb6e8ab53cb50fa8c4c6d14e2d405)
189b38723SGetz Mikalsen /*-
289b38723SGetz Mikalsen  * Copyright (c) 2023 The FreeBSD Foundation
389b38723SGetz Mikalsen  *
489b38723SGetz Mikalsen  * This software was developed by Robert Clausecker <fuz@FreeBSD.org>
589b38723SGetz Mikalsen  * under sponsorship from the FreeBSD Foundation.
689b38723SGetz Mikalsen  *
789b38723SGetz Mikalsen  * Redistribution and use in source and binary forms, with or without
889b38723SGetz Mikalsen  * modification, are permitted provided that the following conditions
989b38723SGetz Mikalsen  * are met:
1089b38723SGetz Mikalsen  * 1. Redistributions of source code must retain the above copyright
1189b38723SGetz Mikalsen  *    notice, this list of conditions and the following disclaimer.
1289b38723SGetz Mikalsen  * 2. Redistributions in binary form must reproduce the above copyright
1389b38723SGetz Mikalsen  *    notice, this list of conditions and the following disclaimer in the
1489b38723SGetz Mikalsen  *    documentation and/or other materials provided with the distribution.
1589b38723SGetz Mikalsen  *
1689b38723SGetz Mikalsen  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ''AS IS'' AND
1789b38723SGetz Mikalsen  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
1889b38723SGetz Mikalsen  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
1989b38723SGetz Mikalsen  * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
2089b38723SGetz Mikalsen  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
2189b38723SGetz Mikalsen  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
2289b38723SGetz Mikalsen  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
2389b38723SGetz Mikalsen  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
2489b38723SGetz Mikalsen  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
2589b38723SGetz Mikalsen  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
2689b38723SGetz Mikalsen  * SUCH DAMAGE
2789b38723SGetz Mikalsen  */
2889b38723SGetz Mikalsen 
2989b38723SGetz Mikalsen #include <sys/cdefs.h>
3089b38723SGetz Mikalsen 
3189b38723SGetz Mikalsen #include <string.h>
3289b38723SGetz Mikalsen 
3389b38723SGetz Mikalsen size_t __strcspn(const char *, const char *);
3489b38723SGetz Mikalsen 
3589b38723SGetz Mikalsen char *
strpbrk(const char * s,const char * charset)3689b38723SGetz Mikalsen strpbrk(const char *s, const char *charset)
3789b38723SGetz Mikalsen {
3889b38723SGetz Mikalsen 	size_t loc;
3989b38723SGetz Mikalsen 
4089b38723SGetz Mikalsen 	loc = __strcspn(s, charset);
4189b38723SGetz Mikalsen 
4289b38723SGetz Mikalsen 	return (s[loc] == '\0' ? NULL : (char *)&s[loc]);
4389b38723SGetz Mikalsen }
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