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Annotation of sys/lib/libkern/scanc.c, Revision 1.1

1.1     ! nbrk        1: /*     $OpenBSD: scanc.c,v 1.5 2004/08/07 00:38:33 deraadt Exp $       */
        !             2: /*     $NetBSD: scanc.c,v 1.3 1996/03/14 18:52:16 christos Exp $       */
        !             3:
        !             4: /*
        !             5:  * Copyright (c) 1982, 1986, 1989 Regents of the University of California.
        !             6:  * All rights reserved.
        !             7:  *
        !             8:  * Redistribution and use in source and binary forms, with or without
        !             9:  * modification, are permitted provided that the following conditions
        !            10:  * are met:
        !            11:  * 1. Redistributions of source code must retain the above copyright
        !            12:  *    notice, this list of conditions and the following disclaimer.
        !            13:  * 2. Redistributions in binary form must reproduce the above copyright
        !            14:  *    notice, this list of conditions and the following disclaimer in the
        !            15:  *    documentation and/or other materials provided with the distribution.
        !            16:  * 3. Neither the name of the University nor the names of its contributors
        !            17:  *    may be used to endorse or promote products derived from this software
        !            18:  *    without specific prior written permission.
        !            19:  *
        !            20:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
        !            21:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
        !            22:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
        !            23:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
        !            24:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
        !            25:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
        !            26:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
        !            27:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
        !            28:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
        !            29:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
        !            30:  * SUCH DAMAGE.
        !            31:  *
        !            32:  *     @(#)ufs_subr.c  7.13 (Berkeley) 6/28/90
        !            33:  */
        !            34:
        !            35: #include <sys/types.h>
        !            36: #include <lib/libkern/libkern.h>
        !            37:
        !            38: int
        !            39: scanc(u_int size, const u_char *cp, const u_char table[], int mask)
        !            40: {
        !            41:        const u_char *end = &cp[size];
        !            42:
        !            43:        while (cp < end && (table[*cp] & (u_char)mask) == 0)
        !            44:                cp++;
        !            45:        return (end - cp);
        !            46: }