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misc.c revision 1.2 
      1 /*	$NetBSD: misc.c,v 1.2 2001/07/13 20:30:20 perseant Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 1991, 1993
      5  *	The Regents of the University of California.  All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  * 3. All advertising materials mentioning features or use of this software
     16  *    must display the following acknowledgement:
     17  *	This product includes software developed by the University of
     18  *	California, Berkeley and its contributors.
     19  * 4. Neither the name of the University nor the names of its contributors
     20  *    may be used to endorse or promote products derived from this software
     21  *    without specific prior written permission.
     22  *
     23  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     33  * SUCH DAMAGE.
     34  */
     35 
     36 #include <sys/cdefs.h>
     37 #ifndef lint
     38 #if 0
     39 static char sccsid[] = "@(#)misc.c	8.1 (Berkeley) 6/5/93";
     40 #else
     41 __RCSID("$NetBSD: misc.c,v 1.2 2001/07/13 20:30:20 perseant Exp $");
     42 #endif
     43 #endif /* not lint */
     44 
     45 #include <sys/types.h>
     46 #include <sys/types.h>
     47 #include <sys/disklabel.h>
     48 #include <stdlib.h>
     49 #include <stdio.h>
     50 #include "extern.h"
     51 
     52 u_int
     53 log2(u_int num)
     54 {
     55         u_int i, limit;
     56 
     57         limit = 1;
     58         for (i = 0; limit < num; limit = limit << 1, i++);
     59         return (i);
     60 }
     61 
     62 #if __STDC__
     63 #include <stdarg.h>
     64 #else
     65 #include <varargs.h>
     66 #endif
     67 
     68 void
     69 #if __STDC__
     70 fatal(const char *fmt, ...)
     71 #else
     72 fatal(fmt, va_alist)
     73 	char *fmt;
     74 	va_dcl
     75 #endif
     76 {
     77 	va_list ap;
     78 #if __STDC__
     79 	va_start(ap, fmt);
     80 #else
     81 	va_start(ap);
     82 #endif
     83 	(void)fprintf(stderr, "%s: ", progname);
     84 	(void)vfprintf(stderr, fmt, ap);
     85 	va_end(ap);
     86 	(void)fprintf(stderr, "\n");
     87 	exit(1);
     88 	/* NOTREACHED */
     89 }
     90