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.
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34 #include <sys/cdefs.h>
36 __FBSDID("$FreeBSD$");
39 static const char sccsid[] = "@(#)cmds.c 8.2 (Berkeley) 4/29/95";
42 #include <sys/param.h>
54 command(const char *cmd)
57 char *cp, *tmpstr, *tmpstr1;
60 tmpstr = tmpstr1 = strdup(cmd);
61 for (cp = tmpstr1; *cp && !isspace(*cp); cp++)
67 for (; *cp && isspace(*cp); cp++)
69 if (strcmp(tmpstr1, "quit") == 0 || strcmp(tmpstr1, "q") == 0)
71 if (strcmp(tmpstr1, "load") == 0) {
75 if (strcmp(tmpstr1, "stop") == 0) {
77 mvaddstr(CMDLINE, 0, "Refresh disabled.");
81 if (strcmp(tmpstr1, "help") == 0) {
84 move(CMDLINE, _col = 0);
85 for (p = cmdtab; p->c_name; p++) {
86 _len = strlen(p->c_name);
87 if (_col + _len > COLS)
89 addstr(p->c_name); _col += _len;
96 t = strtod(tmpstr1, NULL) * 1000000.0;
97 if (t > 0 && t < (double)UINT_MAX)
98 delay = (unsigned int)t;
99 if ((t <= 0 || t > (double)UINT_MAX) &&
100 (strcmp(tmpstr1, "start") == 0 ||
101 strcmp(tmpstr1, "interval") == 0)) {
103 t = strtod(cp, NULL) * 1000000.0;
104 if (t <= 0 || t >= (double)UINT_MAX) {
105 error("%d: bad interval.", (int)t);
111 delay = (unsigned int)t;
117 if (p == (struct cmdtab *)-1) {
118 error("%s: Ambiguous command.", tmpstr1);
124 (*curcmd->c_close)(wnd);
125 curcmd->c_flags &= ~CF_INIT;
126 wnd = (*p->c_open)();
128 error("Couldn't open new display");
129 wnd = (*curcmd->c_open)();
131 error("Couldn't change back to previous cmd");
136 if ((p->c_flags & CF_INIT) == 0) {
138 p->c_flags |= CF_INIT;
148 if (curcmd->c_cmd == 0 || !(*curcmd->c_cmd)(tmpstr1, cp))
149 error("%s: Unknown command.", tmpstr1);
155 lookup(const char *name)
158 struct cmdtab *ct, *found;
159 int nmatches, longest;
163 found = (struct cmdtab *) 0;
164 for (ct = cmdtab; (p = ct->c_name); ct++) {
165 for (q = name; *q == *p++; q++)
166 if (*q == 0) /* exact match? */
168 if (!*q) { /* the name was a prefix */
169 if (q - name > longest) {
173 } else if (q - name == longest)
178 return ((struct cmdtab *)-1);
186 error("Showing %s, refresh every %d seconds.",
187 curcmd->c_name, delay / 1000000);
191 prefix(const char *s1, const char *s2)
199 return (*s1 == '\0');