1997-07-06 04:02:30 +00:00
|
|
|
/*-
|
|
|
|
* Copyright (c) 1980, 1992, 1993
|
|
|
|
* The Regents of the University of California. All rights reserved.
|
|
|
|
*
|
|
|
|
* Redistribution and use in source and binary forms, with or without
|
|
|
|
* modification, are permitted provided that the following conditions
|
|
|
|
* are met:
|
|
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
|
|
* notice, this list of conditions and the following disclaimer.
|
|
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
|
|
* documentation and/or other materials provided with the distribution.
|
2017-02-28 23:42:47 +00:00
|
|
|
* 3. Neither the name of the University nor the names of its contributors
|
1997-07-06 04:02:30 +00:00
|
|
|
* may be used to endorse or promote products derived from this software
|
|
|
|
* without specific prior written permission.
|
|
|
|
*
|
|
|
|
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
|
|
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
|
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
|
|
* SUCH DAMAGE.
|
|
|
|
*/
|
|
|
|
|
2001-12-12 00:13:37 +00:00
|
|
|
#include <sys/cdefs.h>
|
|
|
|
|
|
|
|
__FBSDID("$FreeBSD$");
|
|
|
|
|
|
|
|
#ifdef lint
|
|
|
|
static const char sccsid[] = "@(#)cmds.c 8.2 (Berkeley) 4/29/95";
|
1997-07-06 04:13:20 +00:00
|
|
|
#endif
|
1997-07-06 04:02:30 +00:00
|
|
|
|
2012-09-17 13:36:47 +00:00
|
|
|
#include <sys/param.h>
|
|
|
|
|
1997-07-06 04:02:30 +00:00
|
|
|
#include <ctype.h>
|
2001-12-12 00:13:37 +00:00
|
|
|
#include <signal.h>
|
|
|
|
#include <stdlib.h>
|
1997-07-06 04:02:30 +00:00
|
|
|
#include <string.h>
|
2001-12-12 00:13:37 +00:00
|
|
|
#include <unistd.h>
|
|
|
|
|
1997-07-06 04:02:30 +00:00
|
|
|
#include "systat.h"
|
|
|
|
#include "extern.h"
|
|
|
|
|
|
|
|
void
|
2008-01-16 19:27:43 +00:00
|
|
|
command(const char *cmd)
|
1997-07-06 04:02:30 +00:00
|
|
|
{
|
2011-10-15 13:20:36 +00:00
|
|
|
struct cmdtab *p;
|
|
|
|
char *cp, *tmpstr, *tmpstr1;
|
2012-09-17 13:36:47 +00:00
|
|
|
double t;
|
1997-07-06 04:02:30 +00:00
|
|
|
|
2001-12-12 00:13:37 +00:00
|
|
|
tmpstr = tmpstr1 = strdup(cmd);
|
2011-10-15 13:20:36 +00:00
|
|
|
for (cp = tmpstr1; *cp && !isspace(*cp); cp++)
|
|
|
|
;
|
|
|
|
if (*cp)
|
|
|
|
*cp++ = '\0';
|
2001-12-12 00:13:37 +00:00
|
|
|
if (*tmpstr1 == '\0')
|
1997-07-06 04:02:30 +00:00
|
|
|
return;
|
|
|
|
for (; *cp && isspace(*cp); cp++)
|
|
|
|
;
|
2011-10-15 13:20:36 +00:00
|
|
|
if (strcmp(tmpstr1, "quit") == 0 || strcmp(tmpstr1, "q") == 0)
|
|
|
|
die(0);
|
2001-12-12 00:13:37 +00:00
|
|
|
if (strcmp(tmpstr1, "load") == 0) {
|
1997-07-06 04:02:30 +00:00
|
|
|
load();
|
|
|
|
goto done;
|
|
|
|
}
|
2011-10-15 13:20:36 +00:00
|
|
|
if (strcmp(tmpstr1, "stop") == 0) {
|
2012-09-17 13:36:47 +00:00
|
|
|
delay = 0;
|
2011-10-15 13:20:36 +00:00
|
|
|
mvaddstr(CMDLINE, 0, "Refresh disabled.");
|
|
|
|
clrtoeol();
|
1997-07-06 04:02:30 +00:00
|
|
|
goto done;
|
2011-10-15 13:20:36 +00:00
|
|
|
}
|
2001-12-12 00:13:37 +00:00
|
|
|
if (strcmp(tmpstr1, "help") == 0) {
|
|
|
|
int _col, _len;
|
1997-07-06 04:02:30 +00:00
|
|
|
|
2001-12-12 00:13:37 +00:00
|
|
|
move(CMDLINE, _col = 0);
|
1997-07-06 04:02:30 +00:00
|
|
|
for (p = cmdtab; p->c_name; p++) {
|
2001-12-12 00:13:37 +00:00
|
|
|
_len = strlen(p->c_name);
|
|
|
|
if (_col + _len > COLS)
|
1997-07-06 04:02:30 +00:00
|
|
|
break;
|
2001-12-12 00:13:37 +00:00
|
|
|
addstr(p->c_name); _col += _len;
|
|
|
|
if (_col + 1 < COLS)
|
1997-07-06 04:02:30 +00:00
|
|
|
addch(' ');
|
|
|
|
}
|
|
|
|
clrtoeol();
|
|
|
|
goto done;
|
|
|
|
}
|
2012-09-17 13:36:47 +00:00
|
|
|
t = strtod(tmpstr1, NULL) * 1000000.0;
|
|
|
|
if (t > 0 && t < (double)UINT_MAX)
|
|
|
|
delay = (unsigned int)t;
|
|
|
|
if ((t <= 0 || t > (double)UINT_MAX) &&
|
|
|
|
(strcmp(tmpstr1, "start") == 0 ||
|
|
|
|
strcmp(tmpstr1, "interval") == 0)) {
|
|
|
|
if (*cp != '\0') {
|
|
|
|
t = strtod(cp, NULL) * 1000000.0;
|
|
|
|
if (t <= 0 || t >= (double)UINT_MAX) {
|
|
|
|
error("%d: bad interval.", (int)t);
|
|
|
|
goto done;
|
|
|
|
}
|
2011-10-15 13:20:36 +00:00
|
|
|
}
|
1997-07-06 04:02:30 +00:00
|
|
|
}
|
2012-09-17 13:36:47 +00:00
|
|
|
if (t > 0) {
|
|
|
|
delay = (unsigned int)t;
|
|
|
|
display();
|
2011-10-15 13:20:36 +00:00
|
|
|
status();
|
1997-07-06 04:02:30 +00:00
|
|
|
goto done;
|
2011-10-15 13:20:36 +00:00
|
|
|
}
|
2001-12-12 00:13:37 +00:00
|
|
|
p = lookup(tmpstr1);
|
1997-07-06 04:02:30 +00:00
|
|
|
if (p == (struct cmdtab *)-1) {
|
2001-12-12 00:13:37 +00:00
|
|
|
error("%s: Ambiguous command.", tmpstr1);
|
1997-07-06 04:02:30 +00:00
|
|
|
goto done;
|
|
|
|
}
|
2011-10-15 13:20:36 +00:00
|
|
|
if (p) {
|
|
|
|
if (curcmd == p)
|
1997-07-06 04:02:30 +00:00
|
|
|
goto done;
|
|
|
|
(*curcmd->c_close)(wnd);
|
2003-01-04 21:58:25 +00:00
|
|
|
curcmd->c_flags &= ~CF_INIT;
|
1997-07-06 04:02:30 +00:00
|
|
|
wnd = (*p->c_open)();
|
2016-04-20 01:26:03 +00:00
|
|
|
if (wnd == NULL) {
|
1997-07-06 04:02:30 +00:00
|
|
|
error("Couldn't open new display");
|
|
|
|
wnd = (*curcmd->c_open)();
|
2016-04-20 01:26:03 +00:00
|
|
|
if (wnd == NULL) {
|
1997-07-06 04:02:30 +00:00
|
|
|
error("Couldn't change back to previous cmd");
|
|
|
|
exit(1);
|
|
|
|
}
|
|
|
|
p = curcmd;
|
|
|
|
}
|
|
|
|
if ((p->c_flags & CF_INIT) == 0) {
|
|
|
|
if ((*p->c_init)())
|
|
|
|
p->c_flags |= CF_INIT;
|
|
|
|
else
|
|
|
|
goto done;
|
|
|
|
}
|
2011-10-15 13:20:36 +00:00
|
|
|
curcmd = p;
|
1997-07-06 04:02:30 +00:00
|
|
|
labels();
|
2012-09-17 13:36:47 +00:00
|
|
|
display();
|
2011-10-15 13:20:36 +00:00
|
|
|
status();
|
1997-07-06 04:02:30 +00:00
|
|
|
goto done;
|
2011-10-15 13:20:36 +00:00
|
|
|
}
|
2016-04-20 01:26:03 +00:00
|
|
|
if (curcmd->c_cmd == NULL || !(*curcmd->c_cmd)(tmpstr1, cp))
|
2001-12-12 00:13:37 +00:00
|
|
|
error("%s: Unknown command.", tmpstr1);
|
1997-07-06 04:02:30 +00:00
|
|
|
done:
|
2001-12-12 00:13:37 +00:00
|
|
|
free(tmpstr);
|
1997-07-06 04:02:30 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
struct cmdtab *
|
2008-01-16 19:27:43 +00:00
|
|
|
lookup(const char *name)
|
1997-07-06 04:02:30 +00:00
|
|
|
{
|
2001-12-12 00:13:37 +00:00
|
|
|
const char *p, *q;
|
|
|
|
struct cmdtab *ct, *found;
|
|
|
|
int nmatches, longest;
|
1997-07-06 04:02:30 +00:00
|
|
|
|
|
|
|
longest = 0;
|
|
|
|
nmatches = 0;
|
|
|
|
found = (struct cmdtab *) 0;
|
2001-12-12 00:13:37 +00:00
|
|
|
for (ct = cmdtab; (p = ct->c_name); ct++) {
|
1997-07-06 04:02:30 +00:00
|
|
|
for (q = name; *q == *p++; q++)
|
|
|
|
if (*q == 0) /* exact match? */
|
2001-12-12 00:13:37 +00:00
|
|
|
return (ct);
|
1997-07-06 04:02:30 +00:00
|
|
|
if (!*q) { /* the name was a prefix */
|
|
|
|
if (q - name > longest) {
|
|
|
|
longest = q - name;
|
|
|
|
nmatches = 1;
|
2001-12-12 00:13:37 +00:00
|
|
|
found = ct;
|
1997-07-06 04:02:30 +00:00
|
|
|
} else if (q - name == longest)
|
|
|
|
nmatches++;
|
|
|
|
}
|
|
|
|
}
|
1997-07-06 04:13:20 +00:00
|
|
|
if (nmatches > 1)
|
1997-07-06 04:02:30 +00:00
|
|
|
return ((struct cmdtab *)-1);
|
|
|
|
return (found);
|
|
|
|
}
|
|
|
|
|
|
|
|
void
|
2008-01-16 19:27:43 +00:00
|
|
|
status(void)
|
1997-07-06 04:02:30 +00:00
|
|
|
{
|
|
|
|
|
2011-10-15 13:20:36 +00:00
|
|
|
error("Showing %s, refresh every %d seconds.",
|
2012-09-17 13:36:47 +00:00
|
|
|
curcmd->c_name, delay / 1000000);
|
1997-07-06 04:02:30 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
int
|
2008-01-16 19:27:43 +00:00
|
|
|
prefix(const char *s1, const char *s2)
|
1997-07-06 04:02:30 +00:00
|
|
|
{
|
|
|
|
|
2011-10-15 13:20:36 +00:00
|
|
|
while (*s1 == *s2) {
|
|
|
|
if (*s1 == '\0')
|
|
|
|
return (1);
|
|
|
|
s1++, s2++;
|
|
|
|
}
|
|
|
|
return (*s1 == '\0');
|
1997-07-06 04:02:30 +00:00
|
|
|
}
|