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
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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
34 #include <sys/cdefs.h>
36 __FBSDID("$FreeBSD$");
39 static const char sccsid[] = "@(#)cmds.c 8.2 (Berkeley) 4/29/95";
52 command(const char *cmd)
55 char *cp, *tmpstr, *tmpstr1;
58 tmpstr = tmpstr1 = strdup(cmd);
59 omask = sigblock(sigmask(SIGALRM));
60 for (cp = tmpstr1; *cp && !isspace(*cp); cp++)
66 for (; *cp && isspace(*cp); cp++)
68 if (strcmp(tmpstr1, "quit") == 0 || strcmp(tmpstr1, "q") == 0)
70 if (strcmp(tmpstr1, "load") == 0) {
74 if (strcmp(tmpstr1, "stop") == 0) {
76 mvaddstr(CMDLINE, 0, "Refresh disabled.");
80 if (strcmp(tmpstr1, "help") == 0) {
83 move(CMDLINE, _col = 0);
84 for (p = cmdtab; p->c_name; p++) {
85 _len = strlen(p->c_name);
86 if (_col + _len > COLS)
88 addstr(p->c_name); _col += _len;
95 interval = atoi(tmpstr1);
97 (strcmp(tmpstr1, "start") == 0 || strcmp(tmpstr1, "interval") == 0)) {
98 interval = *cp ? atoi(cp) : naptime;
100 error("%d: bad interval.", interval);
112 if (p == (struct cmdtab *)-1) {
113 error("%s: Ambiguous command.", tmpstr1);
120 (*curcmd->c_close)(wnd);
121 curcmd->c_flags &= ~CF_INIT;
122 wnd = (*p->c_open)();
124 error("Couldn't open new display");
125 wnd = (*curcmd->c_open)();
127 error("Couldn't change back to previous cmd");
132 if ((p->c_flags & CF_INIT) == 0) {
134 p->c_flags |= CF_INIT;
144 if (curcmd->c_cmd == 0 || !(*curcmd->c_cmd)(tmpstr1, cp))
145 error("%s: Unknown command.", tmpstr1);
152 lookup(const char *name)
155 struct cmdtab *ct, *found;
156 int nmatches, longest;
160 found = (struct cmdtab *) 0;
161 for (ct = cmdtab; (p = ct->c_name); ct++) {
162 for (q = name; *q == *p++; q++)
163 if (*q == 0) /* exact match? */
165 if (!*q) { /* the name was a prefix */
166 if (q - name > longest) {
170 } else if (q - name == longest)
175 return ((struct cmdtab *)-1);
183 error("Showing %s, refresh every %d seconds.",
184 curcmd->c_name, naptime);
188 prefix(const char *s1, const char *s2)
196 return (*s1 == '\0');