/* $NetBSD: df.c,v 1.4 2005/12/24 21:14:50 matt Exp $ */
/*-
* Copyright (c) 1980, 1992, 1993
* The Regents of the University of California. All rights reserved.
* Copyright (c) 2005
* Hubert Feyrer <
[email protected]>
*
* 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. Neither the name of the University 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: df.c,v 1.4 2005/12/24 21:14:50 matt Exp $");
#endif /* not lint */
#include <sys/param.h>
#include <sys/stat.h>
#include <sys/mount.h>
#include <curses.h>
#include <math.h>
#include <stdlib.h>
#include <string.h>
#include <util.h>
#include "systat.h"
#include "extern.h"
static int nfss;
static struct statvfs *fss;
static const char *nodisplay[] = {"procfs", "kernfs", "ptyfs", "null", NULL };
static int displayall=0;
WINDOW *
opendf(void)
{
return (subwin(stdscr, -1, 0, 5, 0));
}
void
closedf(WINDOW *w)
{
if (w == NULL)
return;
wclear(w);
wrefresh(w);
delwin(w);
}
void
showdf(void)
{
int i, j, skip;
char s[MNAMELEN];
char s2[MNAMELEN];
float pct;
int64_t used, bsize, bavail, availblks;
int y;
y=2; /* at what line to start displaying */
for (i=0; i<nfss; i++) {
skip = 0;
for(j=0; nodisplay[j] != NULL; j++) {
if (strcmp(nodisplay[j],
fss[i].f_fstypename) == 0) {
skip=1;
break;
}
}
if (displayall || !skip) {
wmove(wnd, y, 0);
wclrtoeol(wnd);
snprintf(s, sizeof(s), "%s", fss[i].f_mntonname);
mvwaddstr(wnd, y, 0, s);
used = fss[i].f_blocks - fss[i].f_bfree;
bavail = fss[i].f_bavail;
availblks = bavail + used;
bsize = fss[i].f_frsize;
if (availblks == 0) {
pct = 1.0; /* full pseudo-disk */
} else {
pct = (1.0 * used) / availblks;
}
#define FREELEN 7
humanize_number(s2, FREELEN, bavail*bsize,
" |", HN_AUTOSCALE,
HN_B | HN_NOSPACE | HN_DECIMAL);
snprintf(s, sizeof(s), "%*s", FREELEN, s2);
mvwaddstr(wnd, y, 25-FREELEN, s);
#undef FREELEN
mvwhline(wnd, y, 25, 'X', (int)(51*pct));
y++;
}
}
wmove(wnd, y, 0);
wclrtobot(wnd);
}
int
initdf(void)
{
nfss = getmntinfo(&fss, MNT_NOWAIT);
if (nfss == 0) {
error("init: getmntinfo error");
return(0);
}
mvwaddstr(wnd, 0, 0, "Disk free %age:");
return(1);
}
void
fetchdf(void)
{
nfss = getmntinfo(&fss, MNT_NOWAIT);
if (nfss == 0) {
error("fetch: getmntinfo error");
return;
}
}
void
labeldf(void)
{
wmove(wnd, 0, 0);
wclrtoeol(wnd);
mvwaddstr(wnd, 0, 0, "Filesystem");
mvwaddstr(wnd, 0, 18, "Avail");
mvwaddstr(wnd, 0, 26, "Capacity");
mvwaddstr(wnd, 1, 25, "/0% /10% /20% /30% /40% /50% /60% /70% /80% /90% /100%");
}
void
df_all(char *args)
{
displayall=1;
}
void
df_some(char *args)
{
displayall=0;
}
