diff options
Diffstat (limited to 'sys/lib/libkern/scanc.c')
| -rw-r--r-- | sys/lib/libkern/scanc.c | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/sys/lib/libkern/scanc.c b/sys/lib/libkern/scanc.c new file mode 100644 index 00000000000..c28e47841b9 --- /dev/null +++ b/sys/lib/libkern/scanc.c @@ -0,0 +1,51 @@ +/* $NetBSD: scanc.c,v 1.2 1994/10/26 06:42:42 cgd Exp $ */ + +/* + * Copyright (c) 1982, 1986, 1989 Regents of the University of California. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * @(#)ufs_subr.c 7.13 (Berkeley) 6/28/90 + */ + +#include <sys/types.h> + +int +scanc(size, cp, table, mask) + u_int size; + register u_char *cp, table[]; + register u_char mask; +{ + register u_char *end = &cp[size]; + + while (cp < end && (table[*cp] & mask) == 0) + cp++; + return (end - cp); +} |