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deb-mbse/mbtask/taskdisk.c

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/*****************************************************************************
*
* $Id$
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* Purpose ...............: Give status of all filesystems
*
*****************************************************************************
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* Copyright (C) 1997-2002
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*
* Michiel Broek FIDO: 2:280/2802
* Beekmansbos 10 Internet: mbse@user.sourceforge.net
* 1971 BV IJmuiden
* the Netherlands
*
* This file is part of MBSE BBS.
*
* This BBS is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2, or (at your option) any
* later version.
*
* MB BBS is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with MB BBS; see the file COPYING. If not, write to the Free
* Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
*****************************************************************************/
#include "libs.h"
#include "../lib/structs.h"
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#include "taskdisk.h"
#include "taskutil.h"
/*
* This function returns the information of all mounted filesystems,
* but no more then 10 filesystems.
*/
char *get_diskstat()
{
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static char buf[SS_BUFSIZE];
char *tmp = NULL;
char tt[80];
struct statfs sfs;
unsigned long temp;
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#if defined(__linux__)
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char *mtab, *dev, *fs, *type;
FILE *fp;
int i = 0;
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#elif defined(__FreeBSD__) || (__NetBSD__)
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struct statfs *mntbuf;
long mntsize;
int i, j = 0;
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#endif
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buf[0] = '\0';
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#if defined (__linux__)
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if ((fp = fopen((char *)"/etc/mtab", "r")) == NULL) {
sprintf(buf, "100:0;");
return buf;
}
mtab = calloc(PATH_MAX, sizeof(char));
while (fgets(mtab, PATH_MAX - 1, fp)) {
dev = strtok(mtab, " \t");
fs = strtok(NULL, " \t");
type = strtok(NULL, " \t");
if (strncmp((char *)"/dev/", dev, 5) == 0) {
if (statfs(fs, &sfs) == 0) {
i++;
if (tmp == NULL)
tmp = xstrcpy((char *)",");
else
tmp = xstrcat(tmp, (char *)",");
tt[0] = '\0';
temp = (unsigned long)(sfs.f_bsize / 512L);
sprintf(tt, "%lu %lu %s %s",
(unsigned long)(sfs.f_blocks * temp) / 2048L,
(unsigned long)(sfs.f_bavail * temp) / 2048L,
fs, type);
tmp = xstrcat(tmp, tt);
}
if (i == 10) /* No more then 10 filesystems */
break;
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}
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}
fclose(fp);
free(mtab);
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if (strlen(tmp) > (SS_BUFSIZE - 8))
sprintf(buf, "100:0;");
else
sprintf(buf, "100:%d%s;", i, tmp);
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#elif defined(__FreeBSD__) || (__NetBSD__)
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if ((mntsize = getmntinfo(&mntbuf, MNT_NOWAIT)) == 0) {
sprintf(buf, "100:0;");
return buf;
}
for (i = 0; i < mntsize; i++) {
if ((strncmp(mntbuf[i].f_fstypename, (char *)"kernfs", 6)) &&
(strncmp(mntbuf[i].f_fstypename, (char *)"procfs", 6)) &&
(statfs(mntbuf[i].f_mntonname, &sfs) == 0)) {
if (tmp == NULL)
tmp = xstrcpy((char *)",");
else
tmp = xstrcat(tmp, (char *)",");
tt[0] = '\0';
temp = (unsigned long)(sfs.f_bsize / 512L);
sprintf(tt, "%lu %lu %s %s",
(unsigned long)(sfs.f_blocks * temp) / 2048L,
(unsigned long)(sfs.f_bavail * temp) / 2048L,
mntbuf[i].f_mntonname, mntbuf[i].f_fstypename);
tmp = xstrcat(tmp, tt);
j++;
if (j == 10) /* No more then 10 filesystems */
break;
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}
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}
if (strlen(tmp) > (SS_BUFSIZE - 8))
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sprintf(buf, "100:0;");
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else
sprintf(buf, "100:%d%s;", j, tmp);
#else
/*
* Not supported, so return nothing usefull.
*/
sprintf(buf, "100:0;");
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#endif
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if (tmp != NULL)
free(tmp);
return buf;
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}