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91 lines
1.9 KiB
C
91 lines
1.9 KiB
C
/* libguestfs - the guestfsd daemon
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* Copyright (C) 2009 Red Hat Inc.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include <config.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include "guestfs_protocol.h"
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#include "daemon.h"
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#include "actions.h"
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static int
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wc (const char *flag, const char *path)
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{
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char *out, *err;
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int fd, flags, r;
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CHROOT_IN;
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fd = open (path, O_RDONLY);
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CHROOT_OUT;
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if (fd == -1) {
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reply_with_perror ("wc %s: %s", flag, path);
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return -1;
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}
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flags = COMMAND_FLAG_CHROOT_COPY_FILE_TO_STDIN | fd;
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r = commandf (&out, &err, flags, "wc", flag, NULL);
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if (r == -1) {
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reply_with_error ("wc %s: %s", flag, err);
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free (out);
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free (err);
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return -1;
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}
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free (err);
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#if 0
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/* Split it at the first whitespace. */
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len = strcspn (out, " \t\n");
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out[len] = '\0';
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#endif
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/* Parse the number. */
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if (sscanf (out, "%d", &r) != 1) {
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reply_with_error ("cannot parse number: %s", out);
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free (out);
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return -1;
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}
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free (out);
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return r;
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}
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int
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do_wc_l (const char *path)
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{
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return wc ("-l", path);
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}
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int
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do_wc_w (const char *path)
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{
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return wc ("-w", path);
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}
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int
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do_wc_c (const char *path)
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{
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return wc ("-c", path);
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}
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