1/*	$NetBSD: globalcmds.c,v 1.14 2009/04/13 23:20:27 lukem Exp $ */
2
3/*-
4 * Copyright (c) 1999
5 *      The NetBSD Foundation, Inc.  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. All advertising materials mentioning features or use of this software
16 *    must display the following acknowledgement:
17 *      This product includes software developed by the NetBSD Foundation.
18 * 4. Neither the name of the Foundation nor the names of its contributors
19 *    may be used to endorse or promote products derived from this software
20 *    without specific prior written permission.
21 *
22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 * SUCH DAMAGE.
33 */
34
35#include <sys/cdefs.h>
36#ifndef lint
37__RCSID("$NetBSD: globalcmds.c,v 1.14 2009/04/13 23:20:27 lukem Exp $");
38#endif /* not lint */
39
40#include <curses.h>
41#include <stdlib.h>
42#include <string.h>
43#include <unistd.h>
44
45#include "systat.h"
46#include "extern.h"
47
48static char *shortname(const char *, const char *);
49
50static char *
51shortname(const char *key, const char *s)
52{
53	char *p, *q;
54	size_t len;
55
56	if (key == NULL) {
57		if ((p = strdup(s)) == NULL)
58			return NULL;
59		q = strchr(p, '.');
60		if (q && strlen(q) > 1) {
61			q[1] = '*';
62			q[2] = '\0';
63		}
64		return p;
65	}
66
67	len = strlen(key);
68	if (strncmp(key, s, len) == 0 && s[len] == '.') {
69		p = strdup(s + len + 1);
70		if (!p)
71			return NULL;
72		return p;
73	}
74	return NULL;
75}
76
77void
78global_help(char *args)
79{
80	int col, len;
81	struct mode *p;
82	char *name, *prev;
83
84	move(CMDLINE, col = 0);
85	name = prev = NULL;
86	for (p = modes; p->c_name; p++) {
87		if ((name = shortname(args, p->c_name)) == NULL)
88			continue;
89		if (name && prev && strcmp(name, prev) == 0) {
90			free(name);
91			name = NULL;
92			continue;
93		}
94		len = strlen(name);
95		if (col + len > COLS)
96			break;
97		addstr(name);
98		col += len + 1;
99		if (col + 1 < COLS)
100			addch(' ');
101		if (prev)
102			free(prev);
103		prev = name;
104		name = NULL;
105	}
106	if (col == 0 && args) {
107		standout();
108		if ((int)strlen(args) < COLS - 25)
109			printw("help: no matches for `%s.*'", args);
110		else
111			printw("help: no matches");
112		standend();
113	}
114	clrtoeol();
115	if (name)
116		free(name);
117	if (prev)
118		free(prev);
119}
120
121void
122global_interval(char *args)
123{
124	int interval;
125
126	if (!args) {
127		interval = 5;
128	} else {
129		interval = atoi(args);
130	}
131
132	if (interval <= 0) {
133		error("%d: bad interval.", interval);
134		return;
135	}
136
137	naptime = interval;
138	display(0);
139	status();
140}
141
142
143void
144global_load(char *args)
145{
146	(void)getloadavg(avenrun, sizeof(avenrun)/sizeof(avenrun[0]));
147	mvprintw(CMDLINE, 0, "%4.1f %4.1f %4.1f",
148	    avenrun[0], avenrun[1], avenrun[2]);
149	clrtoeol();
150}
151
152void
153global_quit(char *args)
154{
155	die(0);
156}
157
158void
159global_stop(char *args)
160{
161	timeout(-1);
162	mvaddstr(CMDLINE, 0, "Refresh disabled.");
163	clrtoeol();
164}
165