2 * Copyright (c) 1980, 1992, 1993
3 * The Regents of the University of California. All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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. Neither the name of the University nor the names of its contributors
14 * may be used to endorse or promote products derived from this software
15 * without specific prior written permission.
17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * @(#)cmds.c 8.2 (Berkeley) 4/29/95
30 * $FreeBSD: src/usr.bin/systat/cmds.c,v 1.3 1999/08/28 01:05:58 peter Exp $
31 * $DragonFly: src/usr.bin/systat/cmds.c,v 1.6 2008/11/10 04:59:45 swildner Exp $
43 command(const char *cmd
)
50 omask
= sigblock(sigmask(SIGALRM
));
51 for (cp
= __DECONST(char *, cmd
); *cp
&& !isspace(*cp
); cp
++)
57 for (; *cp
&& isspace(*cp
); cp
++)
59 if (strcmp(cmd
, "quit") == 0 || strcmp(cmd
, "q") == 0)
61 if (strcmp(cmd
, "load") == 0) {
65 if (strcmp(cmd
, "stop") == 0) {
67 mvaddstr(CMDLINE
, 0, "Refresh disabled.");
71 if (strcmp(cmd
, "help") == 0) {
74 move(CMDLINE
, _col
= 0);
75 for (p
= cmdtab
; p
->c_name
; p
++) {
76 _len
= strlen(p
->c_name
);
77 if (_col
+ _len
> COLS
)
79 addstr(p
->c_name
); _col
+= _len
;
86 interval
= strtod(cmd
, NULL
);
87 if (interval
<= 0.0 &&
88 (strcmp(cmd
, "start") == 0 || strcmp(cmd
, "interval") == 0)) {
89 interval
= *cp
? strtod(cp
, NULL
) : naptime
;
90 if (interval
<= 0.0) {
91 error("%3.2f: bad interval.", interval
);
103 if (p
== (struct cmdtab
*)-1) {
104 error("%s: Ambiguous command.", cmd
);
111 (*curcmd
->c_close
)(wnd
);
112 wnd
= (*p
->c_open
)();
114 error("Couldn't open new display");
115 wnd
= (*curcmd
->c_open
)();
117 error("Couldn't change back to previous cmd");
122 if ((p
->c_flags
& CF_INIT
) == 0) {
124 p
->c_flags
|= CF_INIT
;
134 if (curcmd
->c_cmd
== 0 || !(*curcmd
->c_cmd
)(cmd
, cp
))
135 error("%s: Unknown command.", cmd
);
141 lookup(const char *name
)
144 struct cmdtab
*ct
, *found
;
145 int nmatches
, longest
;
150 for (ct
= cmdtab
; (p
= ct
->c_name
); ct
++) {
151 for (q
= name
; *q
== *p
++; q
++)
152 if (*q
== 0) /* exact match? */
154 if (!*q
) { /* the name was a prefix */
155 if (q
- name
> longest
) {
159 } else if (q
- name
== longest
)
164 return ((struct cmdtab
*)-1);
172 error("Showing %s, refresh every %3.2f seconds.",
173 curcmd
->c_name
, naptime
);
177 prefix(const char *s1
, const char *s2
)
185 return (*s1
== '\0');