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string.h revision 1.2.4.2
      1  1.2.4.2  rmind /*	$NetBSD: string.h,v 1.2.4.2 2014/05/18 17:46:01 rmind Exp $	*/
      2  1.2.4.2  rmind 
      3  1.2.4.2  rmind /*-
      4  1.2.4.2  rmind  * Copyright (c) 2013 The NetBSD Foundation, Inc.
      5  1.2.4.2  rmind  * All rights reserved.
      6  1.2.4.2  rmind  *
      7  1.2.4.2  rmind  * This code is derived from software contributed to The NetBSD Foundation
      8  1.2.4.2  rmind  * by Taylor R. Campbell.
      9  1.2.4.2  rmind  *
     10  1.2.4.2  rmind  * Redistribution and use in source and binary forms, with or without
     11  1.2.4.2  rmind  * modification, are permitted provided that the following conditions
     12  1.2.4.2  rmind  * are met:
     13  1.2.4.2  rmind  * 1. Redistributions of source code must retain the above copyright
     14  1.2.4.2  rmind  *    notice, this list of conditions and the following disclaimer.
     15  1.2.4.2  rmind  * 2. Redistributions in binary form must reproduce the above copyright
     16  1.2.4.2  rmind  *    notice, this list of conditions and the following disclaimer in the
     17  1.2.4.2  rmind  *    documentation and/or other materials provided with the distribution.
     18  1.2.4.2  rmind  *
     19  1.2.4.2  rmind  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20  1.2.4.2  rmind  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21  1.2.4.2  rmind  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22  1.2.4.2  rmind  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23  1.2.4.2  rmind  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  1.2.4.2  rmind  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  1.2.4.2  rmind  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  1.2.4.2  rmind  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27  1.2.4.2  rmind  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28  1.2.4.2  rmind  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29  1.2.4.2  rmind  * POSSIBILITY OF SUCH DAMAGE.
     30  1.2.4.2  rmind  */
     31  1.2.4.2  rmind 
     32  1.2.4.2  rmind #ifndef _LINUX_STRING_H_
     33  1.2.4.2  rmind #define _LINUX_STRING_H_
     34  1.2.4.2  rmind 
     35  1.2.4.2  rmind #include <sys/types.h>
     36  1.2.4.2  rmind #include <sys/cdefs.h>
     37  1.2.4.2  rmind #include <sys/null.h>
     38  1.2.4.2  rmind 
     39  1.2.4.2  rmind static inline void *
     40  1.2.4.2  rmind memchr_inv(const void *buffer, int c, size_t len)
     41  1.2.4.2  rmind {
     42  1.2.4.2  rmind 	const uint8_t byte = c;	/* XXX lose */
     43  1.2.4.2  rmind 	const char *p;
     44  1.2.4.2  rmind 
     45  1.2.4.2  rmind 	for (p = buffer; len-- > 0; p++)
     46  1.2.4.2  rmind 		if (*p != byte)
     47  1.2.4.2  rmind 			return __UNCONST(p);
     48  1.2.4.2  rmind 
     49  1.2.4.2  rmind 	return NULL;
     50  1.2.4.2  rmind }
     51  1.2.4.2  rmind 
     52  1.2.4.2  rmind #endif  /* _LINUX_STRING_H_ */
     53