NetBSD/usr.bin/systat/globalcmds.c

164 lines
3.8 KiB
C

/* $NetBSD: globalcmds.c,v 1.13 2006/02/05 08:51:03 dsl Exp $ */
/*-
* Copyright (c) 1999
* The NetBSD Foundation, Inc. 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.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the NetBSD Foundation.
* 4. Neither the name of the Foundation nor the names of its contributors
* 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.
*/
#include <sys/cdefs.h>
#ifndef lint
__RCSID("$NetBSD: globalcmds.c,v 1.13 2006/02/05 08:51:03 dsl Exp $");
#endif /* not lint */
#include <curses.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "systat.h"
#include "extern.h"
static char *shortname(const char *, const char *);
static char *
shortname(const char *key, const char *s)
{
char *p, *q;
size_t len;
if (key == NULL) {
if ((p = strdup(s)) == NULL)
return NULL;
q = strchr(p, '.');
if (q && strlen(q) > 1) {
q[1] = '*';
q[2] = '\0';
}
return p;
}
len = strlen(key);
if (strncmp(key, s, len) == 0 && s[len] == '.') {
p = strdup(s + len + 1);
if (!p)
return NULL;
return p;
}
return NULL;
}
void
global_help(char *args)
{
int col, len;
struct mode *p;
char *name, *prev;
move(CMDLINE, col = 0);
name = prev = NULL;
for (p = modes; p->c_name; p++) {
if ((name = shortname(args, p->c_name)) == NULL)
continue;
if (name && prev && strcmp(name, prev) == 0) {
free(name);
name = NULL;
continue;
}
len = strlen(name);
if (col + len > COLS)
break;
addstr(name); col += len;
if (col + 1 < COLS)
addch(' ');
if (prev)
free(prev);
prev = name;
name = NULL;
}
if (col == 0 && args) {
standout();
if (strlen(args) < COLS - 25)
printw("help: no matches for `%s.*'", args);
else
printw("help: no matches");
standend();
}
clrtoeol();
if (name)
free(name);
if (prev)
free(prev);
}
void
global_interval(char *args)
{
int interval;
if (!args) {
interval = 5;
} else {
interval = atoi(args);
}
if (interval <= 0) {
error("%d: bad interval.", interval);
return;
}
naptime = interval;
display(0);
status();
}
void
global_load(char *args)
{
(void)getloadavg(avenrun, sizeof(avenrun)/sizeof(avenrun[0]));
mvprintw(CMDLINE, 0, "%4.1f %4.1f %4.1f",
avenrun[0], avenrun[1], avenrun[2]);
clrtoeol();
}
void
global_quit(char *args)
{
die(0);
}
void
global_stop(char *args)
{
timeout(-1);
mvaddstr(CMDLINE, 0, "Refresh disabled.");
clrtoeol();
}