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.
21 #define _GNU_SOURCE // for strchrnul
28 #include "../src/guestfs_protocol.h"
33 do_tune2fs_l (const char *device)
37 char *p, *pend, *colon;
39 int size = 0, alloc = 0;
41 IS_DEVICE (device, NULL);
43 r = command (&out, &err, "/sbin/tune2fs", "-l", device, NULL);
45 reply_with_error ("tune2fs: %s", err);
54 /* Discard the first line if it contains "tune2fs ...". */
55 if (strncmp (p, "tune2fs ", 8) == 0) {
59 reply_with_error ("tune2fs: truncated output");
65 /* Read the lines and split into "key: value". */
67 pend = strchrnul (p, '\n');
75 colon = strchr (p, ':');
79 do { colon++; } while (*colon && isspace (*colon));
81 if (add_string (&ret, &size, &alloc, p) == -1) {
85 if (strcmp (colon, "<none>") == 0 ||
86 strcmp (colon, "<not available>") == 0 ||
87 strcmp (colon, "(none)") == 0) {
88 if (add_string (&ret, &size, &alloc, "") == -1) {
93 if (add_string (&ret, &size, &alloc, colon) == -1) {
100 if (add_string (&ret, &size, &alloc, p) == -1) {
104 if (add_string (&ret, &size, &alloc, "") == -1) {
115 if (add_string (&ret, &size, &alloc, NULL) == -1)