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path: root/usr.bin/systat/ifcmds.c
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/*
 * Copyright (c) 2003, Trent Nelson, <trent@arpa.com>.
 * 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. The name of the author may not be used to endorse or promote products
 *    derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
 *
 * $FreeBSD$
 */

#include <string.h>

#include "systat.h"
#include "extern.h"
#include "convtbl.h"

int		curscale = SC_AUTO;

static int	selectscale(const char *);

int
ifcmd(const char *cmd, const char *args)
{

	if (prefix(cmd, "scale")) {
		if (*args != '\0' && selectscale(args) != -1)
			;
		else {
			move(CMDLINE, 0);
			clrtoeol();
			addstr("what scale? kbit, kbyte, mbit, mbyte, " \
			       "gbit, gbyte, auto");
		} 
	}
	return (1);
}

static int
selectscale(const char *args)
{
	int	retval = 0;

#define streq(a,b)	(strcmp(a,b) == 0)
	if (streq(args, "default") || streq(args, "auto"))
		curscale = SC_AUTO;
	else if (streq(args, "kbit"))
		curscale = SC_KILOBIT;
	else if (streq(args, "kbyte"))
		curscale = SC_KILOBYTE;
	else if (streq(args, "mbit"))
		curscale = SC_MEGABIT;
	else if (streq(args, "mbyte"))
		curscale = SC_MEGABYTE;
	else if (streq(args, "gbit"))
		curscale = SC_GIGABIT;
	else if (streq(args, "gbyte"))
		curscale = SC_GIGABYTE;
	else
		retval = -1;

	return (retval);
}
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