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. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by the University of
16 * California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 * @(#)cmds.c 8.2 (Berkeley) 4/29/95
34 * $FreeBSD: src/usr.bin/systat/cmds.c,v 1.3 1999/08/28 01:05:58 peter Exp $
35 * $DragonFly: src/usr.bin/systat/cmds.c,v 1.6 2008/11/10 04:59:45 swildner Exp $
47 command(const char *cmd)
54 omask = sigblock(sigmask(SIGALRM));
55 for (cp = __DECONST(char *, cmd); *cp && !isspace(*cp); cp++)
61 for (; *cp && isspace(*cp); cp++)
63 if (strcmp(cmd, "quit") == 0 || strcmp(cmd, "q") == 0)
65 if (strcmp(cmd, "load") == 0) {
69 if (strcmp(cmd, "stop") == 0) {
71 mvaddstr(CMDLINE, 0, "Refresh disabled.");
75 if (strcmp(cmd, "help") == 0) {
78 move(CMDLINE, _col = 0);
79 for (p = cmdtab; p->c_name; p++) {
80 _len = strlen(p->c_name);
81 if (_col + _len > COLS)
83 addstr(p->c_name); _col += _len;
90 interval = strtod(cmd, NULL);
91 if (interval <= 0.0 &&
92 (strcmp(cmd, "start") == 0 || strcmp(cmd, "interval") == 0)) {
93 interval = *cp ? strtod(cp, NULL) : naptime;
94 if (interval <= 0.0) {
95 error("%3.2f: bad interval.", interval);
107 if (p == (struct cmdtab *)-1) {
108 error("%s: Ambiguous command.", cmd);
115 (*curcmd->c_close)(wnd);
116 wnd = (*p->c_open)();
118 error("Couldn't open new display");
119 wnd = (*curcmd->c_open)();
121 error("Couldn't change back to previous cmd");
126 if ((p->c_flags & CF_INIT) == 0) {
128 p->c_flags |= CF_INIT;
138 if (curcmd->c_cmd == 0 || !(*curcmd->c_cmd)(cmd, cp))
139 error("%s: Unknown command.", cmd);
145 lookup(const char *name)
148 struct cmdtab *ct, *found;
149 int nmatches, longest;
154 for (ct = cmdtab; (p = ct->c_name); ct++) {
155 for (q = name; *q == *p++; q++)
156 if (*q == 0) /* exact match? */
158 if (!*q) { /* the name was a prefix */
159 if (q - name > longest) {
163 } else if (q - name == longest)
168 return ((struct cmdtab *)-1);
176 error("Showing %s, refresh every %3.2f seconds.",
177 curcmd->c_name, naptime);
181 prefix(const char *s1, const char *s2)
189 return (*s1 == '\0');