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82 lines
2.8 KiB
C
82 lines
2.8 KiB
C
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/*
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* $Id: wce_lfind.c 20 2006-11-18 17:00:30Z mloskot $
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*
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* Defines lfind() function.
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*
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* Created by Mateusz Loskot (mloskot@loskot.net)
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*
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* Implementation of this function was taken from LibTIFF
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* project, http://www.remotesensing.org/libtiff/
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* The copyright note below has been copied without any changes.
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*
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* Copyright (c) 1989, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* Roger L. Snyder.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <assert.h>
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#include <stdlib.h>
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#include <wce_types.h>
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/*******************************************************************************
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* wceex_lfind - TODO
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*
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* Description:
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*
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* Return:
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*
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* Reference:
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* IEEE 1003.1, 2004 Edition
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*******************************************************************************/
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void* wceex_lfind(const void *key, const void *base, size_t *nmemb, size_t size,
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int(*compar)(const void *, const void *))
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{
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char *element, *end;
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assert(key != NULL);
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assert(base != NULL);
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assert(compar != NULL);
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element = NULL;
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end = (char *)base + (*nmemb * size);
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for (element = (char *)base; element < end; element += size)
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{
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if (!compar(element, key))
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{
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/* key found */
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return element;
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}
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}
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return NULL;
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}
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