/* $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 <hubert@feyrer.de> * * 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; }