xref: /netbsd-src/usr.bin/systat/disks.c (revision deb6f0161a9109e7de9b519dc8dfb9478668dcdd)
1 /*	$NetBSD: disks.c,v 1.19 2014/03/08 20:51:20 jdc Exp $	*/
2 
3 /*-
4  * Copyright (c) 1980, 1992, 1993
5  *	The Regents of the University of California.  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. Neither the name of the University nor the names of its contributors
16  *    may be used to endorse or promote products derived from this software
17  *    without specific prior written permission.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29  * SUCH DAMAGE.
30  */
31 
32 #include <sys/cdefs.h>
33 #ifndef lint
34 #if 0
35 static char sccsid[] = "@(#)disks.c	8.1 (Berkeley) 6/6/93";
36 #endif
37 __RCSID("$NetBSD: disks.c,v 1.19 2014/03/08 20:51:20 jdc Exp $");
38 #endif /* not lint */
39 
40 #include <ctype.h>
41 #include <string.h>
42 #include <fnmatch.h>
43 
44 #include "systat.h"
45 #include "extern.h"
46 #include "drvstats.h"
47 
48 static void drvselect(char *args, int truefalse, int selections[]);
49 
50 void
51 disks_add(char *args)
52 {
53 
54 	if (args)
55 		drvselect(args, 1, drv_select);
56 }
57 
58 void
59 disks_remove(char *args)
60 {
61 
62 	if (args)
63 		drvselect(args, 0, drv_select);
64 }
65 
66 void
67 disks_drives(char *args)
68 {
69 	size_t i;
70 
71 	if (args) {
72 		for (i = 0; i < ndrive; i++)
73 			drv_select[i] = 0;
74 		disks_add(args);
75 	} else {
76 		move(CMDLINE, 0);
77 		clrtoeol();
78 		for (i = 0; i < ndrive; i++)
79 			printw("%s ", dr_name[i]);
80 	}
81 }
82 
83 static void
84 drvselect(char *args, int truefalse, int selections[])
85 {
86 	char *cp;
87 	size_t i;
88 
89 	cp = strchr(args, '\n');
90 	if (cp)
91 		*cp = '\0';
92 	for (;;) {
93 		for (cp = args; *cp && isspace((unsigned char)*cp); cp++)
94 			;
95 		args = cp;
96 		for (; *cp && !isspace((unsigned char)*cp); cp++)
97 			;
98 		if (*cp)
99 			*cp++ = '\0';
100 		if (cp - args == 0)
101 			break;
102 		for (i = 0; i < ndrive; i++)
103 			if (fnmatch(args, dr_name[i], 0) == 0) {
104 				selections[i] = truefalse;
105 				break;
106 			}
107 		if (i >= ndrive)
108 			error("%s: unknown drive", args);
109 		args = cp;
110 	}
111 	labels();
112 	display(0);
113 }
114