globalcmds.c revision 1.7 1 /* $NetBSD: globalcmds.c,v 1.7 2000/01/08 23:34:17 itojun 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 <curses.h>
36 #include <stdlib.h>
37 #include <string.h>
38 #include <unistd.h>
39 #include "systat.h"
40 #include "extern.h"
41
42
43 static char *shortname __P((const char *, const char *));
44
45 static char *
46 shortname(key, s)
47 const char *key;
48 const char *s;
49 {
50 char *p, *q;
51 size_t l;
52
53 if (key == NULL) {
54 if ((p = strdup(s)) == NULL)
55 return NULL;
56 q = strchr(p, '.');
57 if (q && strlen(q) > 1) {
58 q[1] = '*';
59 q[2] = '\0';
60 }
61 return p;
62 } else if (strncmp(key, s, l = strlen(key)) == 0 && s[l] == '.') {
63 p = strdup(s + l + 1);
64 return p;
65 } else
66 return NULL;
67 }
68
69 void
70 global_help(args)
71 char *args;
72 {
73 int col, len;
74 struct mode *p;
75 char *cur, *prev;
76
77 move(CMDLINE, col = 0);
78 cur = prev = NULL;
79 for (p = modes; p->c_name; p++) {
80 if ((cur = shortname(args, p->c_name)) == NULL)
81 continue;
82 if (cur && prev && strcmp(cur, prev) == 0) {
83 free(cur);
84 cur = NULL;
85 continue;
86 }
87 len = strlen(cur);
88 if (col + len > COLS)
89 break;
90 addstr(cur); col += len;
91 if (col + 1 < COLS)
92 addch(' ');
93 if (prev)
94 free(prev);
95 prev = cur;
96 cur = NULL;
97 }
98 if (col == 0 && args) {
99 standout();
100 if (strlen(args) < COLS - 25)
101 printw("help: no matches for `%s.*'", args);
102 else
103 printw("help: no matches");
104 standend();
105 }
106 clrtoeol();
107 if (cur)
108 free(cur);
109 if (prev)
110 free(prev);
111 }
112
113 void
114 global_interval(args)
115 char *args;
116 {
117 int interval;
118
119 if (!args) {
120 interval = 5;
121 } else {
122 interval = atoi(args);
123 }
124
125 if (interval <= 0) {
126 error("%d: bad interval.", interval);
127 return;
128 }
129
130 alarm(0);
131 naptime = interval;
132 display(0);
133 status();
134 }
135
136
137 void
138 global_load(args)
139 char *args;
140 {
141 (void)getloadavg(avenrun, sizeof(avenrun)/sizeof(avenrun[0]));
142 mvprintw(CMDLINE, 0, "%4.1f %4.1f %4.1f",
143 avenrun[0], avenrun[1], avenrun[2]);
144 clrtoeol();
145 }
146
147 void
148 global_quit(args)
149 char *args;
150 {
151 die(0);
152 }
153
154 void
155 global_stop(args)
156 char *args;
157 {
158 alarm(0);
159 mvaddstr(CMDLINE, 0, "Refresh disabled.");
160 clrtoeol();
161 }
162