1 /* $NetBSD: globalcmds.c,v 1.15 2009/11/01 22:08:14 dsl 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 1.15 2009/11/01 22:08:14 dsl 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
48 static char *shortname(const char *, const char *);
49
50 static char *
shortname(const char * key,const char * s)51 shortname(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
77 void
global_help(char * args)78 global_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
121 void
global_interval(char * args)122 global_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
143 void
global_load(char * args)144 global_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
152 void
global_quit(char * args)153 global_quit(char *args)
154 {
155 die(0);
156 }
157
158 void
global_stop(char * args)159 global_stop(char *args)
160 {
161 timeout(-1);
162 mvaddstr(CMDLINE, 0, "Refresh disabled.");
163 clrtoeol();
164 }
165