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1 /*- |
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2 * Copyright (c) 1990, 1993 |
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3 * The Regents of the University of California. All rights reserved. |
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4 * |
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5 * Redistribution and use in source and binary forms, with or without |
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6 * modification, are permitted provided that the following conditions |
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7 * are met: |
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8 * 1. Redistributions of source code must retain the above copyright |
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9 * notice, this list of conditions and the following disclaimer. |
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10 * 2. Redistributions in binary form must reproduce the above copyright |
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11 * notice, this list of conditions and the following disclaimer in the |
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12 * documentation and/or other materials provided with the distribution. |
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13 * 4. Neither the name of the University nor the names of its contributors |
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14 * may be used to endorse or promote products derived from this software |
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15 * without specific prior written permission. |
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16 * |
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17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
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18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
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21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
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23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
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26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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27 * SUCH DAMAGE. |
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28 * © Portions copyright (c) 2005-2006 Nokia Corporation. All rights reserved. |
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29 */ |
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30 |
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31 #include <sys/cdefs.h> |
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32 #ifndef __SYMBIAN32__ |
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33 __FBSDID("$FreeBSD: src/lib/libc/string/flsl.c,v 1.2 2004/01/14 07:46:36 des Exp $"); |
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34 #endif |
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35 #include <strings.h> |
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36 |
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37 /* |
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38 * Find Last Set bit |
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39 */ |
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40 #ifdef __SYMBIAN_COMPILE_UNUSED__ |
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41 int |
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42 flsl(long mask) |
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43 { |
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44 int bit; |
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45 |
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46 if (mask == 0) |
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47 return (0); |
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48 for (bit = 1; mask != 1; bit++) |
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49 mask = (unsigned long)mask >> 1; |
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50 return (bit); |
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51 } |
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52 #endif |