2 * SPDX-License-Identifier: BSD-3-Clause
4 * Copyright (c) 1980, 1992, 1993
5 * The Regents of the University of California. All rights reserved.
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
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. Neither the name of the University nor the names of its contributors
16 * may be used to endorse or promote products derived from this software
17 * without specific prior written permission.
19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 #include <sys/cdefs.h>
34 __FBSDID("$FreeBSD$");
37 static const char sccsid[] = "@(#)cmds.c 8.2 (Berkeley) 4/29/95";
40 #include <sys/param.h>
52 command(const char *cmd)
55 char *cp, *tmpstr, *tmpstr1;
58 tmpstr = tmpstr1 = strdup(cmd);
59 for (cp = tmpstr1; *cp && !isspace(*cp); cp++)
65 for (; *cp && isspace(*cp); cp++)
67 if (strcmp(tmpstr1, "quit") == 0 || strcmp(tmpstr1, "q") == 0)
69 if (strcmp(tmpstr1, "load") == 0) {
73 if (strcmp(tmpstr1, "stop") == 0) {
75 mvaddstr(CMDLINE, 0, "Refresh disabled.");
79 if (strcmp(tmpstr1, "help") == 0) {
82 move(CMDLINE, _col = 0);
83 for (p = cmdtab; p->c_name; p++) {
84 _len = strlen(p->c_name);
85 if (_col + _len > COLS)
87 addstr(p->c_name); _col += _len;
94 t = strtod(tmpstr1, NULL) * 1000000.0;
95 if (t > 0 && t < (double)UINT_MAX)
96 delay = (unsigned int)t;
97 if ((t <= 0 || t > (double)UINT_MAX) &&
98 (strcmp(tmpstr1, "start") == 0 ||
99 strcmp(tmpstr1, "interval") == 0)) {
101 t = strtod(cp, NULL) * 1000000.0;
102 if (t <= 0 || t >= (double)UINT_MAX) {
103 error("%d: bad interval.", (int)t);
109 delay = (unsigned int)t;
115 if (p == (struct cmdtab *)-1) {
116 error("%s: Ambiguous command.", tmpstr1);
122 (*curcmd->c_close)(wnd);
123 curcmd->c_flags &= ~CF_INIT;
124 wnd = (*p->c_open)();
126 error("Couldn't open new display");
127 wnd = (*curcmd->c_open)();
129 error("Couldn't change back to previous cmd");
134 if ((p->c_flags & CF_INIT) == 0) {
136 p->c_flags |= CF_INIT;
146 if (curcmd->c_cmd == NULL || !(*curcmd->c_cmd)(tmpstr1, cp))
147 error("%s: Unknown command.", tmpstr1);
153 lookup(const char *name)
156 struct cmdtab *ct, *found;
157 int nmatches, longest;
161 found = (struct cmdtab *) 0;
162 for (ct = cmdtab; (p = ct->c_name); ct++) {
163 for (q = name; *q == *p++; q++)
164 if (*q == 0) /* exact match? */
166 if (!*q) { /* the name was a prefix */
167 if (q - name > longest) {
171 } else if (q - name == longest)
176 return ((struct cmdtab *)-1);
184 error("Showing %s, refresh every %d seconds.",
185 curcmd->c_name, delay / 1000000);
189 prefix(const char *s1, const char *s2)
197 return (*s1 == '\0');