src/3rdparty/libtiff/port/lfind.c
changeset 0 1918ee327afb
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     1 /* $Id: lfind.c,v 1.3 2005/12/27 15:08:22 dron Exp $ */
       
     2 
       
     3 /*
       
     4  * Copyright (c) 1989, 1993
       
     5  *	The Regents of the University of California.  All rights reserved.
       
     6  *
       
     7  * This code is derived from software contributed to Berkeley by
       
     8  * Roger L. Snyder.
       
     9  *
       
    10  * Redistribution and use in source and binary forms, with or without
       
    11  * modification, are permitted provided that the following conditions
       
    12  * are met:
       
    13  * 1. Redistributions of source code must retain the above copyright
       
    14  *    notice, this list of conditions and the following disclaimer.
       
    15  * 2. Redistributions in binary form must reproduce the above copyright
       
    16  *    notice, this list of conditions and the following disclaimer in the
       
    17  *    documentation and/or other materials provided with the distribution.
       
    18  * 3. Neither the name of the University nor the names of its contributors
       
    19  *    may be used to endorse or promote products derived from this software
       
    20  *    without specific prior written permission.
       
    21  *
       
    22  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
       
    23  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
       
    24  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
       
    25  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
       
    26  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
       
    27  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
       
    28  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
       
    29  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
       
    30  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
       
    31  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
       
    32  * SUCH DAMAGE.
       
    33  */
       
    34 
       
    35 #if 0
       
    36 static char sccsid[] = "@(#)lsearch.c	8.1 (Berkeley) 6/4/93";
       
    37 __RCSID("$NetBSD: lsearch.c,v 1.2 2005/07/06 15:47:15 drochner Exp $");
       
    38 #endif
       
    39 
       
    40 #include <sys/types.h>
       
    41 
       
    42 #ifndef NULL
       
    43 # define NULL 0
       
    44 #endif
       
    45 
       
    46 void *
       
    47 lfind(const void *key, const void *base, size_t *nmemb, size_t size,
       
    48       int(*compar)(const void *, const void *))
       
    49 {
       
    50 	char *element, *end;
       
    51 
       
    52 	end = (char *)base + *nmemb * size;
       
    53 	for (element = (char *)base; element < end; element += size)
       
    54 		if (!compar(element, key))		/* key found */
       
    55 			return element;
       
    56 
       
    57 	return NULL;
       
    58 }