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/* libguestfs - the guestfsd daemon
* Copyright (C) 2009-2019 Red Hat Inc.
*
* This program 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 of the License, or
* (at your option) any later version.
*
* This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include <config.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <inttypes.h>
#include "guestfs_protocol.h"
#include "daemon.h"
#include "actions.h"
int64_t
do_du (const char *path)
{
int r;
int64_t rv;
CLEANUP_FREE char *out = NULL, *err = NULL, *buf = NULL;
/* Make the path relative to /sysroot. */
buf = sysroot_path (path);
if (!buf) {
reply_with_perror ("malloc");
return -1;
}
pulse_mode_start ();
r = command (&out, &err, "du", "-s", buf, NULL);
if (r == -1) {
pulse_mode_cancel ();
reply_with_error ("%s: %s", path, err);
return -1;
}
if (sscanf (out, "%"SCNi64, &rv) != 1) {
pulse_mode_cancel ();
reply_with_error ("%s: could not read output: %s", path, out);
return -1;
}
pulse_mode_end ();
return rv;
}
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