2 * Copyright (c) 1980, 1992, 1993
3 * The Regents of the University of California. All rights reserved.
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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.
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12 * documentation and/or other materials provided with the distribution.
13 * 3. 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
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19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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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
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29 * @(#)cmds.c 8.2 (Berkeley) 4/29/95
30 * $FreeBSD: src/usr.bin/systat/cmds.c,v 1.3 1999/08/28 01:05:58 peter Exp $
31 * $DragonFly: src/usr.bin/systat/cmds.c,v 1.6 2008/11/10 04:59:45 swildner Exp $
43 command(const char *cmd)
50 omask = sigblock(sigmask(SIGALRM));
51 for (cp = __DECONST(char *, cmd); *cp && !isspace(*cp); cp++)
57 for (; *cp && isspace(*cp); cp++)
59 if (strcmp(cmd, "quit") == 0 || strcmp(cmd, "q") == 0)
61 if (strcmp(cmd, "load") == 0) {
65 if (strcmp(cmd, "stop") == 0) {
67 mvaddstr(CMDLINE, 0, "Refresh disabled.");
71 if (strcmp(cmd, "help") == 0) {
74 move(CMDLINE, _col = 0);
75 for (p = cmdtab; p->c_name; p++) {
76 _len = strlen(p->c_name);
77 if (_col + _len > COLS)
79 addstr(p->c_name); _col += _len;
86 interval = strtod(cmd, NULL);
87 if (interval <= 0.0 &&
88 (strcmp(cmd, "start") == 0 || strcmp(cmd, "interval") == 0)) {
89 interval = *cp ? strtod(cp, NULL) : naptime;
90 if (interval <= 0.0) {
91 error("%3.2f: bad interval.", interval);
103 if (p == (struct cmdtab *)-1) {
104 error("%s: Ambiguous command.", cmd);
111 (*curcmd->c_close)(wnd);
112 wnd = (*p->c_open)();
114 error("Couldn't open new display");
115 wnd = (*curcmd->c_open)();
117 error("Couldn't change back to previous cmd");
122 if ((p->c_flags & CF_INIT) == 0) {
124 p->c_flags |= CF_INIT;
134 if (curcmd->c_cmd == 0 || !(*curcmd->c_cmd)(cmd, cp))
135 error("%s: Unknown command.", cmd);
141 lookup(const char *name)
144 struct cmdtab *ct, *found;
145 int nmatches, longest;
150 for (ct = cmdtab; (p = ct->c_name); ct++) {
151 for (q = name; *q == *p++; q++)
152 if (*q == 0) /* exact match? */
154 if (!*q) { /* the name was a prefix */
155 if (q - name > longest) {
159 } else if (q - name == longest)
164 return ((struct cmdtab *)-1);
172 error("Showing %s, refresh every %3.2f seconds.",
173 curcmd->c_name, naptime);
177 prefix(const char *s1, const char *s2)
185 return (*s1 == '\0');