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
31#include <sys/types.h>
32
33#include "systat.h"
34#include "extern.h"
35#include "convtbl.h"
36
37#include <stdlib.h>
38#include <string.h>
39
40int curscale = SC_AUTO;
41char *matchline = NULL;
42int showpps = 0;
43int needsort = 0;
44
45int
46ifcmd(const char *cmd, const char *args)
47{
48	int scale;
49
50	if (prefix(cmd, "scale")) {
51		if ((scale = get_scale(args)) != -1)
52			curscale = scale;
53		else {
54			move(CMDLINE, 0);
55			clrtoeol();
56			addstr("what scale? ");
57			addstr(get_helplist());
58		}
59	} else if (prefix(cmd, "match")) {
60		if (args != NULL && *args != '\0' && memcmp(args, "*", 2) != 0) {
61			/* We got a valid match line */
62			if (matchline != NULL)
63				free(matchline);
64			needsort = 1;
65			matchline = strdup(args);
66		} else {
67			/* Empty or * pattern, turn filtering off */
68			if (matchline != NULL)
69				free(matchline);
70			needsort = 1;
71			matchline = NULL;
72		}
73	} else if (prefix(cmd, "pps"))
74		showpps = !showpps;
75	else
76		return (0);
77
78	return (1);
79}
80