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
40 int curscale = SC_AUTO;
41 char *matchline = NULL;
42 int showpps = 0;
43 int needsort = 0;
44
45 int
ifcmd(const char * cmd,const char * args)46 ifcmd(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