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 * 4. 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
30 #include <sys/cdefs.h>
32 __FBSDID("$FreeBSD$");
35 static const char sccsid[] = "@(#)cmds.c 8.2 (Berkeley) 4/29/95";
38 #include <sys/param.h>
50 command(const char *cmd)
53 char *cp, *tmpstr, *tmpstr1;
56 tmpstr = tmpstr1 = strdup(cmd);
57 for (cp = tmpstr1; *cp && !isspace(*cp); cp++)
63 for (; *cp && isspace(*cp); cp++)
65 if (strcmp(tmpstr1, "quit") == 0 || strcmp(tmpstr1, "q") == 0)
67 if (strcmp(tmpstr1, "load") == 0) {
71 if (strcmp(tmpstr1, "stop") == 0) {
73 mvaddstr(CMDLINE, 0, "Refresh disabled.");
77 if (strcmp(tmpstr1, "help") == 0) {
80 move(CMDLINE, _col = 0);
81 for (p = cmdtab; p->c_name; p++) {
82 _len = strlen(p->c_name);
83 if (_col + _len > COLS)
85 addstr(p->c_name); _col += _len;
92 t = strtod(tmpstr1, NULL) * 1000000.0;
93 if (t > 0 && t < (double)UINT_MAX)
94 delay = (unsigned int)t;
95 if ((t <= 0 || t > (double)UINT_MAX) &&
96 (strcmp(tmpstr1, "start") == 0 ||
97 strcmp(tmpstr1, "interval") == 0)) {
99 t = strtod(cp, NULL) * 1000000.0;
100 if (t <= 0 || t >= (double)UINT_MAX) {
101 error("%d: bad interval.", (int)t);
107 delay = (unsigned int)t;
113 if (p == (struct cmdtab *)-1) {
114 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);
151 lookup(const char *name)
154 struct cmdtab *ct, *found;
155 int nmatches, longest;
159 found = (struct cmdtab *) 0;
160 for (ct = cmdtab; (p = ct->c_name); ct++) {
161 for (q = name; *q == *p++; q++)
162 if (*q == 0) /* exact match? */
164 if (!*q) { /* the name was a prefix */
165 if (q - name > longest) {
169 } else if (q - name == longest)
174 return ((struct cmdtab *)-1);
182 error("Showing %s, refresh every %d seconds.",
183 curcmd->c_name, delay / 1000000);
187 prefix(const char *s1, const char *s2)
195 return (*s1 == '\0');