AuxXxilium/eudev
1
0
Fork 0
mirror of https://github.com/AuxXxilium/eudev.git synced 2025-02-10 19:15:56 +07:00
Code Issues Actions Packages Projects Releases Wiki Activity

vol_id: add --debug option

Browse Source
This commit is contained in:
Kay Sievers 2008-09-06 16:37:00 +02:00
parent 7643819062
commit f640b32fdd
2 changed files with 41 additions and 12 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

38
extras/volume_id/vol_id.c
View File

@ -1,7 +1,7 @@
/*
* 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
@ -39,11 +39,18 @@
#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, ...)
@ -113,6 +120,7 @@ int main(int argc, char *argv[])
{ "skip-raid", 0, NULL, 's' },
{ "probe-all", 0, NULL, 'a' },
{ "offset", 2, NULL, 'o' },
{ "debug", 0, NULL, 'd' },
{ "help", 0, NULL, 'h' },
{}
};
@ -151,11 +159,16 @@ int main(int argc, char *argv[])
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;
@ -183,14 +196,15 @@ int main(int argc, char *argv[])
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:
@ -222,7 +236,7 @@ int main(int argc, char *argv[])
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) {

15
extras/volume_id/vol_id.xml
View File

@ -32,6 +32,8 @@
<arg><option>--uuid</option></arg>
<arg><option>--skip-raid</option></arg>
<arg><option>--probe-all</option></arg>
<arg><option>--offset=<replaceable>bytes</replaceable></option></arg>
<arg><option>--debug</option></arg>
<arg><option>--help</option></arg>
<arg><replaceable>device</replaceable></arg>
</cmdsynopsis>
@ -95,6 +97,19 @@
<para>Probe for all types and print all matches.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><option>--offset=<replaceable>bytes</replaceable></option></term>
<listitem>
<para>Probing at the given offset, instead of the start of the volume.
The offset value is specified in bytes.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><option>--debug</option></term>
<listitem>
<para>Print debug output to stderr.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><option>--help</option></term>
<listitem>