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/* libguestfs - the guestfsd daemon
* Copyright (C) 2009 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 <fcntl.h>
#include "guestfs_protocol.h"
#include "daemon.h"
#include "actions.h"
static int
wc (const char *flag, const char *path)
{
char *out, *err;
int fd, flags, r;
CHROOT_IN;
fd = open (path, O_RDONLY|O_CLOEXEC);
CHROOT_OUT;
if (fd == -1) {
reply_with_perror ("wc %s: %s", flag, path);
return -1;
}
flags = COMMAND_FLAG_CHROOT_COPY_FILE_TO_STDIN | fd;
r = commandf (&out, &err, flags, "wc", flag, NULL);
if (r == -1) {
reply_with_error ("wc %s: %s", flag, err);
free (out);
free (err);
return -1;
}
free (err);
#if 0
/* Split it at the first whitespace. */
len = strcspn (out, " \t\n");
out[len] = '\0';
#endif
/* Parse the number. */
if (sscanf (out, "%d", &r) != 1) {
reply_with_error ("cannot parse number: %s", out);
free (out);
return -1;
}
free (out);
return r;
}
int
do_wc_l (const char *path)
{
return wc ("-l", path);
}
int
do_wc_w (const char *path)
{
return wc ("-w", path);
}
int
do_wc_c (const char *path)
{
return wc ("-c", path);
}
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