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