177 lines
4.0 KiB
C
177 lines
4.0 KiB
C
/* $NetBSD: df.c,v 1.4 2005/12/24 21:14:50 matt Exp $ */
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/*-
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* Copyright (c) 1980, 1992, 1993
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* The Regents of the University of California. All rights reserved.
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* Copyright (c) 2005
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* Hubert Feyrer <hubert@feyrer.de>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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#ifndef lint
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__RCSID("$NetBSD: df.c,v 1.4 2005/12/24 21:14:50 matt Exp $");
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#endif /* not lint */
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#include <sys/param.h>
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#include <sys/stat.h>
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#include <sys/mount.h>
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#include <curses.h>
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#include <math.h>
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#include <stdlib.h>
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#include <string.h>
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#include <util.h>
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#include "systat.h"
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#include "extern.h"
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static int nfss;
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static struct statvfs *fss;
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static const char *nodisplay[] = {"procfs", "kernfs", "ptyfs", "null", NULL };
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static int displayall=0;
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WINDOW *
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opendf(void)
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{
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return (subwin(stdscr, -1, 0, 5, 0));
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}
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void
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closedf(WINDOW *w)
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{
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if (w == NULL)
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return;
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wclear(w);
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wrefresh(w);
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delwin(w);
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}
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void
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showdf(void)
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{
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int i, j, skip;
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char s[MNAMELEN];
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char s2[MNAMELEN];
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float pct;
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int64_t used, bsize, bavail, availblks;
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int y;
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y=2; /* at what line to start displaying */
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for (i=0; i<nfss; i++) {
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skip = 0;
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for(j=0; nodisplay[j] != NULL; j++) {
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if (strcmp(nodisplay[j],
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fss[i].f_fstypename) == 0) {
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skip=1;
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break;
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}
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}
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if (displayall || !skip) {
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wmove(wnd, y, 0);
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wclrtoeol(wnd);
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snprintf(s, sizeof(s), "%s", fss[i].f_mntonname);
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mvwaddstr(wnd, y, 0, s);
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used = fss[i].f_blocks - fss[i].f_bfree;
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bavail = fss[i].f_bavail;
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availblks = bavail + used;
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bsize = fss[i].f_frsize;
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if (availblks == 0) {
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pct = 1.0; /* full pseudo-disk */
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} else {
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pct = (1.0 * used) / availblks;
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}
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#define FREELEN 7
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humanize_number(s2, FREELEN, bavail*bsize,
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" |", HN_AUTOSCALE,
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HN_B | HN_NOSPACE | HN_DECIMAL);
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snprintf(s, sizeof(s), "%*s", FREELEN, s2);
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mvwaddstr(wnd, y, 25-FREELEN, s);
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#undef FREELEN
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mvwhline(wnd, y, 25, 'X', (int)(51*pct));
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y++;
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}
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}
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wmove(wnd, y, 0);
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wclrtobot(wnd);
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}
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int
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initdf(void)
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{
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nfss = getmntinfo(&fss, MNT_NOWAIT);
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if (nfss == 0) {
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error("init: getmntinfo error");
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return(0);
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}
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mvwaddstr(wnd, 0, 0, "Disk free %age:");
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return(1);
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}
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void
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fetchdf(void)
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{
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nfss = getmntinfo(&fss, MNT_NOWAIT);
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if (nfss == 0) {
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error("fetch: getmntinfo error");
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return;
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}
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}
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void
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labeldf(void)
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{
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wmove(wnd, 0, 0);
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wclrtoeol(wnd);
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mvwaddstr(wnd, 0, 0, "Filesystem");
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mvwaddstr(wnd, 0, 18, "Avail");
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mvwaddstr(wnd, 0, 26, "Capacity");
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mvwaddstr(wnd, 1, 25, "/0% /10% /20% /30% /40% /50% /60% /70% /80% /90% /100%");
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}
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void
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df_all(char *args)
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{
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displayall=1;
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}
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void
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df_some(char *args)
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{
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displayall=0;
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}
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