xref: /freebsd/usr.bin/systat/ifcmds.c (revision f4b37ed0f8b307b1f3f0f630ca725d68f1dff30d)
1 /*
2  * Copyright (c) 2003, Trent Nelson, <trent@arpa.com>.
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  * 3. The name of the author may not be used to endorse or promote products
14  *    derived from this software without specific prior written permission.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26  * SUCH DAMAGE.
27  *
28  * $FreeBSD$
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
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 
76 	return (1);
77 }
78