freebsd-dev/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 <sys/types.h>
#include "systat.h"
#include "extern.h"
#include "convtbl.h"
#include <stdlib.h>
#include <string.h>
int curscale = SC_AUTO;
char *matchline = NULL;
int showpps = 0;
int needsort = 0;
int
ifcmd(const char *cmd, const char *args)
{
int scale;
if (prefix(cmd, "scale")) {
if ((scale = get_scale(args)) != -1)
curscale = scale;
else {
move(CMDLINE, 0);
clrtoeol();
addstr("what scale? ");
addstr(get_helplist());
}
} else if (prefix(cmd, "match")) {
if (args != NULL && *args != '\0' && memcmp(args, "*", 2) != 0) {
/* We got a valid match line */
if (matchline != NULL)
free(matchline);
needsort = 1;
matchline = strdup(args);
} else {
/* Empty or * pattern, turn filtering off */
if (matchline != NULL)
free(matchline);
needsort = 1;
matchline = NULL;
}
} else if (prefix(cmd, "pps"))
showpps = !showpps;
return (1);
}