1df8bae1dSRodney W. Grimes /*- 2df8bae1dSRodney W. Grimes * Copyright (c) 1992, 1993 3df8bae1dSRodney W. Grimes * The Regents of the University of California. All rights reserved. 4df8bae1dSRodney W. Grimes * 5df8bae1dSRodney W. Grimes * Redistribution and use in source and binary forms, with or without 6df8bae1dSRodney W. Grimes * modification, are permitted provided that the following conditions 7df8bae1dSRodney W. Grimes * are met: 8df8bae1dSRodney W. Grimes * 1. Redistributions of source code must retain the above copyright 9df8bae1dSRodney W. Grimes * notice, this list of conditions and the following disclaimer. 10df8bae1dSRodney W. Grimes * 2. Redistributions in binary form must reproduce the above copyright 11df8bae1dSRodney W. Grimes * notice, this list of conditions and the following disclaimer in the 12df8bae1dSRodney W. Grimes * documentation and/or other materials provided with the distribution. 13*fbbd9655SWarner Losh * 3. Neither the name of the University nor the names of its contributors 14df8bae1dSRodney W. Grimes * may be used to endorse or promote products derived from this software 15df8bae1dSRodney W. Grimes * without specific prior written permission. 16df8bae1dSRodney W. Grimes * 17df8bae1dSRodney W. Grimes * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 18df8bae1dSRodney W. Grimes * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19df8bae1dSRodney W. Grimes * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20df8bae1dSRodney W. Grimes * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 21df8bae1dSRodney W. Grimes * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22df8bae1dSRodney W. Grimes * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23df8bae1dSRodney W. Grimes * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24df8bae1dSRodney W. Grimes * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25df8bae1dSRodney W. Grimes * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26df8bae1dSRodney W. Grimes * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27df8bae1dSRodney W. Grimes * SUCH DAMAGE. 28df8bae1dSRodney W. Grimes * 29df8bae1dSRodney W. Grimes * @(#)scanc.c 8.1 (Berkeley) 6/10/93 30df8bae1dSRodney W. Grimes */ 31df8bae1dSRodney W. Grimes 32ab0de15bSDavid E. O'Brien #include <sys/cdefs.h> 33ab0de15bSDavid E. O'Brien __FBSDID("$FreeBSD$"); 34ab0de15bSDavid E. O'Brien 355edd0e15SPoul-Henning Kamp #include <sys/libkern.h> 36df8bae1dSRodney W. Grimes 37df8bae1dSRodney W. Grimes int 38df8bae1dSRodney W. Grimes scanc(size, cp, table, mask0) 39df8bae1dSRodney W. Grimes u_int size; 40484820d4SConrad Meyer const u_char *cp, table[]; 41df8bae1dSRodney W. Grimes int mask0; 42df8bae1dSRodney W. Grimes { 43484820d4SConrad Meyer const u_char *end; 44484820d4SConrad Meyer u_char mask; 45df8bae1dSRodney W. Grimes 46df8bae1dSRodney W. Grimes mask = mask0; 475182dcbeSBruce Evans for (end = &cp[size]; cp < end; ++cp) { 484066649dSBruce Evans if (table[*cp] & mask) 495182dcbeSBruce Evans break; 505182dcbeSBruce Evans } 51df8bae1dSRodney W. Grimes return (end - cp); 52df8bae1dSRodney W. Grimes } 53