1 /* libguestfs - the guestfsd daemon
2 * Copyright (C) 2009 Red Hat Inc.
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
26 #include "../src/guestfs_protocol.h"
31 wc (const char *flag, const char *path)
37 /* Make the path relative to /sysroot. */
38 buf = sysroot_path (path);
40 reply_with_perror ("malloc");
44 r = command (&out, &err, "wc", flag, buf, NULL);
47 reply_with_error ("wc %s: %s", flag, err);
56 /* Split it at the first whitespace. */
57 len = strcspn (out, " \t\n");
61 /* Parse the number. */
62 if (sscanf (out, "%d", &r) != 1) {
63 reply_with_error ("cannot parse number: %s", out);
73 do_wc_l (const char *path)
75 return wc ("-l", path);
79 do_wc_w (const char *path)
81 return wc ("-w", path);
85 do_wc_c (const char *path)
87 return wc ("-c", path);