1/*-
2 * SPDX-License-Identifier: BSD-3-Clause
3 *
4 * Copyright (c) 2003, Trent Nelson, <trent@arpa.com>.
5 * 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. The name of the author may not be used to endorse or promote products
16 *    derived from this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28 * SUCH DAMAGE.
29 *
30 * $FreeBSD$
31 */
32
33#include <sys/types.h>
34
35#include "systat.h"
36#include "extern.h"
37#include "convtbl.h"
38
39#include <stdlib.h>
40#include <string.h>
41
42int curscale = SC_AUTO;
43char *matchline = NULL;
44int showpps = 0;
45int needsort = 0;
46
47int
48ifcmd(const char *cmd, const char *args)
49{
50	int scale;
51
52	if (prefix(cmd, "scale")) {
53		if ((scale = get_scale(args)) != -1)
54			curscale = scale;
55		else {
56			move(CMDLINE, 0);
57			clrtoeol();
58			addstr("what scale? ");
59			addstr(get_helplist());
60		}
61	} else if (prefix(cmd, "match")) {
62		if (args != NULL && *args != '\0' && memcmp(args, "*", 2) != 0) {
63			/* We got a valid match line */
64			if (matchline != NULL)
65				free(matchline);
66			needsort = 1;
67			matchline = strdup(args);
68		} else {
69			/* Empty or * pattern, turn filtering off */
70			if (matchline != NULL)
71				free(matchline);
72			needsort = 1;
73			matchline = NULL;
74		}
75	} else if (prefix(cmd, "pps"))
76		showpps = !showpps;
77	else
78		return (0);
79
80	return (1);
81}
82