Home | History | Annotate | Line # | Download | only in libkern
scanc.c revision 1.2 
      1  1.2  cgd /*	$NetBSD: scanc.c,v 1.2 1994/10/26 06:42:42 cgd Exp $	*/
      2  1.2  cgd 
      3  1.1  cgd /*
      4  1.1  cgd  * Copyright (c) 1982, 1986, 1989 Regents of the University of California.
      5  1.1  cgd  * All rights reserved.
      6  1.1  cgd  *
      7  1.1  cgd  * Redistribution and use in source and binary forms, with or without
      8  1.1  cgd  * modification, are permitted provided that the following conditions
      9  1.1  cgd  * are met:
     10  1.1  cgd  * 1. Redistributions of source code must retain the above copyright
     11  1.1  cgd  *    notice, this list of conditions and the following disclaimer.
     12  1.1  cgd  * 2. Redistributions in binary form must reproduce the above copyright
     13  1.1  cgd  *    notice, this list of conditions and the following disclaimer in the
     14  1.1  cgd  *    documentation and/or other materials provided with the distribution.
     15  1.1  cgd  * 3. All advertising materials mentioning features or use of this software
     16  1.1  cgd  *    must display the following acknowledgement:
     17  1.1  cgd  *	This product includes software developed by the University of
     18  1.1  cgd  *	California, Berkeley and its contributors.
     19  1.1  cgd  * 4. Neither the name of the University nor the names of its contributors
     20  1.1  cgd  *    may be used to endorse or promote products derived from this software
     21  1.1  cgd  *    without specific prior written permission.
     22  1.1  cgd  *
     23  1.1  cgd  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     24  1.1  cgd  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     25  1.1  cgd  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     26  1.1  cgd  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     27  1.1  cgd  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     28  1.1  cgd  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     29  1.1  cgd  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     30  1.1  cgd  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     31  1.1  cgd  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     32  1.1  cgd  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     33  1.1  cgd  * SUCH DAMAGE.
     34  1.1  cgd  *
     35  1.2  cgd  *	@(#)ufs_subr.c	7.13 (Berkeley) 6/28/90
     36  1.1  cgd  */
     37  1.1  cgd 
     38  1.1  cgd #include <sys/types.h>
     39  1.1  cgd 
     40  1.1  cgd int
     41  1.1  cgd scanc(size, cp, table, mask)
     42  1.1  cgd 	u_int size;
     43  1.1  cgd 	register u_char *cp, table[];
     44  1.1  cgd 	register u_char mask;
     45  1.1  cgd {
     46  1.1  cgd 	register u_char *end = &cp[size];
     47  1.1  cgd 
     48  1.1  cgd 	while (cp < end && (table[*cp] & mask) == 0)
     49  1.1  cgd 		cp++;
     50  1.1  cgd 	return (end - cp);
     51  1.1  cgd }
     52