extra -O

[unix-history] / usr / src / sbin / newlfs / misc.c

/*-
 * Copyright (c) 1991 The Regents of the University of California.
 * All rights reserved.
 *
 * %sccs.include.redist.c%
 */

#ifndef lint
static char sccsid[] = "@(#)misc.c	5.1 (Berkeley) %G%";
#endif /* not lint */

#include <sys/types.h>
#include <sys/types.h>
#include <sys/disklabel.h>
#include <stdlib.h>
#include <stdio.h>
#include "extern.h"

u_int
log2(num)
        u_int num;
{
        register u_int i, limit;

        limit = 1;
        for (i = 0; limit < num; limit = limit << 1, i++);
        return (i);
}

#if __STDC__
#include <stdarg.h>
#else
#include <varargs.h>
#endif

void
#if __STDC__
fatal(const char *fmt, ...)
#else
fatal(fmt, va_alist)
	char *fmt;
	va_dcl
#endif
{
	va_list ap;
#if __STDC__
	va_start(ap, fmt);
#else
	va_start(ap);
#endif
	(void)fprintf(stderr, "%s: ", progname);
	(void)vfprintf(stderr, fmt, ap);
	va_end(ap);
	(void)fprintf(stderr, "\n");
	exit(1);
	/* NOTREACHED */
}