/*
* vol_id - read filesystem label and uuid
*
- * Copyright (C) 2005-2006 Kay Sievers <kay.sievers@vrfy.org>
+ * Copyright (C) 2005-2008 Kay Sievers <kay.sievers@vrfy.org>
*
- * 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 version 2 of the License.
- *
- * 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.,
- * 675 Mass Ave, Cambridge, MA 02139, USA.
+ * 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, see <http://www.gnu.org/licenses/>.
*/
#ifndef _GNU_SOURCE
#define BLKGETSIZE64 _IOR(0x12,114,size_t)
+static int debug;
+
static void log_fn(struct udev *udev, int priority,
const char *file, int line, const char *fn,
const char *format, va_list args)
{
- vsyslog(priority, format, args);
+ if (debug) {
+ fprintf(stderr, "%s: ", fn != NULL ? fn : file);
+ vfprintf(stderr, format, args);
+ } else {
+ vsyslog(priority, format, args);
+ }
}
static void vid_log(int priority, const char *file, int line, const char *format, ...)
{ "skip-raid", 0, NULL, 's' },
{ "probe-all", 0, NULL, 'a' },
{ "offset", 2, NULL, 'o' },
+ { "debug", 0, NULL, 'd' },
{ "help", 0, NULL, 'h' },
{}
};
while (1) {
int option;
- option = getopt_long(argc, argv, "lLutxsaoh", options, NULL);
+ option = getopt_long(argc, argv, "lLutxsaodh", options, NULL);
if (option == -1)
break;
switch (option) {
+ case 'd':
+ debug = 1;
+ if (udev_get_log_priority(udev) < LOG_INFO)
+ udev_set_log_priority(udev, LOG_INFO);
+ break;
case 'l':
print = PRINT_LABEL;
break;
break;
case 'h':
printf("Usage: vol_id [options] <device>\n"
- " --export export key/value pairs\n"
- " --type filesystem type\n"
- " --label filesystem label\n"
- " --label-raw raw label\n"
- " --uuid filesystem uuid\n"
- " --skip-raid don't probe for raid\n"
- " --probe-all find possibly conflicting signatures\n"
- " --offset skip given number of bytes of input\n"
+ " --export export key/value pairs\n"
+ " --type filesystem type\n"
+ " --label filesystem label\n"
+ " --label-raw raw label\n"
+ " --uuid filesystem uuid\n"
+ " --skip-raid don't probe for raid\n"
+ " --probe-all find possibly conflicting signatures\n"
+ " --offset=<bytes> probe at the given offset\n"
+ " --debug print debug output to stderr\n"
" --help\n\n");
goto exit;
default:
if (ioctl(fd, BLKGETSIZE64, &size) != 0)
size = 0;
- dbg(udev, "BLKGETSIZE64=%llu\n", (unsigned long long)size);
+ info(udev, "BLKGETSIZE64=%llu (%lluGB)\n", (unsigned long long)size, (unsigned long long)size >> 30);
/* try to drop all privileges before reading disk content */
if (getuid() == 0) {