2008-09-06 08:28:40 -05:00
|
|
|
/*
|
|
|
|
* blkid.c - User command-line interface for libblkid
|
|
|
|
*
|
|
|
|
* Copyright (C) 2001 Andreas Dilger
|
|
|
|
*
|
|
|
|
* %Begin-Header%
|
|
|
|
* This file may be redistributed under the terms of the
|
|
|
|
* GNU Lesser General Public License.
|
|
|
|
* %End-Header%
|
|
|
|
*/
|
|
|
|
|
|
|
|
#include <stdio.h>
|
|
|
|
#include <stdlib.h>
|
|
|
|
#include <unistd.h>
|
|
|
|
#include <string.h>
|
2009-01-13 17:22:22 -06:00
|
|
|
#include <sys/types.h>
|
|
|
|
#include <sys/stat.h>
|
|
|
|
#include <fcntl.h>
|
2008-09-06 08:28:40 -05:00
|
|
|
#ifdef HAVE_TERMIOS_H
|
|
|
|
#include <termios.h>
|
|
|
|
#endif
|
|
|
|
#ifdef HAVE_TERMIO_H
|
|
|
|
#include <termio.h>
|
|
|
|
#endif
|
|
|
|
#ifdef HAVE_SYS_IOCTL_H
|
|
|
|
#include <sys/ioctl.h>
|
|
|
|
#endif
|
|
|
|
#ifdef HAVE_GETOPT_H
|
|
|
|
#include <getopt.h>
|
|
|
|
#else
|
|
|
|
extern int getopt(int argc, char * const argv[], const char *optstring);
|
|
|
|
extern char *optarg;
|
|
|
|
extern int optind;
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#define OUTPUT_VALUE_ONLY 0x0001
|
|
|
|
#define OUTPUT_DEVICE_ONLY 0x0002
|
|
|
|
#define OUTPUT_PRETTY_LIST 0x0004
|
2009-01-13 18:53:24 -06:00
|
|
|
#define OUTPUT_UDEV_LIST 0x0008
|
2008-09-06 08:28:40 -05:00
|
|
|
|
|
|
|
#include <blkid.h>
|
|
|
|
|
|
|
|
const char *progname = "blkid";
|
|
|
|
|
|
|
|
static void print_version(FILE *out)
|
|
|
|
{
|
|
|
|
fprintf(out, "%s %s (%s)\n", progname, BLKID_VERSION, BLKID_DATE);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void usage(int error)
|
|
|
|
{
|
|
|
|
FILE *out = error ? stderr : stdout;
|
|
|
|
|
|
|
|
print_version(out);
|
|
|
|
fprintf(out,
|
2009-01-13 17:22:22 -06:00
|
|
|
"Usage:\n"
|
|
|
|
" %1$s [-c <file>] [-ghlLv] [-o format] [-s <tag>] \n"
|
|
|
|
" [-t <token>] [-w <file>] [dev ...]\n\n"
|
|
|
|
" %1$s -p [-O <offset>] [-S <size>] <dev> [dev ...]\n\n"
|
|
|
|
"Options:\n"
|
|
|
|
" -c <file> cache file (default: /etc/blkid.tab, /dev/null = none)\n"
|
|
|
|
" -h print this usage message and exit\n"
|
|
|
|
" -g garbage collect the blkid cache\n"
|
2009-01-13 18:53:24 -06:00
|
|
|
" -o <format> output format; can be one of:\n"
|
|
|
|
" value, device, list, udev or full; (default: full)\n"
|
2009-01-13 17:22:22 -06:00
|
|
|
" -p switch to low-probe mode (bypass cache)\n"
|
|
|
|
" -s <tag> show specified tag(s) (default show all tags)\n"
|
|
|
|
" -t <token> find device with a specific token (NAME=value pair)\n"
|
|
|
|
" -l lookup the the first device with arguments specified by -t\n"
|
|
|
|
" -v print version and exit\n"
|
|
|
|
" -w <file> write cache to different file (/dev/null = no write)\n"
|
|
|
|
" <dev> specify device(s) to probe (default: all devices)\n\n",
|
|
|
|
progname);
|
|
|
|
|
2008-09-06 08:28:40 -05:00
|
|
|
exit(error);
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* This function does "safe" printing. It will convert non-printable
|
|
|
|
* ASCII characters using '^' and M- notation.
|
|
|
|
*/
|
|
|
|
static void safe_print(const char *cp, int len)
|
|
|
|
{
|
|
|
|
unsigned char ch;
|
|
|
|
|
|
|
|
if (len < 0)
|
|
|
|
len = strlen(cp);
|
|
|
|
|
|
|
|
while (len--) {
|
|
|
|
ch = *cp++;
|
|
|
|
if (ch > 128) {
|
|
|
|
fputs("M-", stdout);
|
|
|
|
ch -= 128;
|
|
|
|
}
|
|
|
|
if ((ch < 32) || (ch == 0x7f)) {
|
|
|
|
fputc('^', stdout);
|
|
|
|
ch ^= 0x40; /* ^@, ^A, ^B; ^? for DEL */
|
|
|
|
}
|
|
|
|
fputc(ch, stdout);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
static int get_terminal_width(void)
|
|
|
|
{
|
|
|
|
#ifdef TIOCGSIZE
|
|
|
|
struct ttysize t_win;
|
|
|
|
#endif
|
|
|
|
#ifdef TIOCGWINSZ
|
|
|
|
struct winsize w_win;
|
|
|
|
#endif
|
|
|
|
const char *cp;
|
|
|
|
|
|
|
|
#ifdef TIOCGSIZE
|
|
|
|
if (ioctl (0, TIOCGSIZE, &t_win) == 0)
|
|
|
|
return (t_win.ts_cols);
|
|
|
|
#endif
|
|
|
|
#ifdef TIOCGWINSZ
|
|
|
|
if (ioctl (0, TIOCGWINSZ, &w_win) == 0)
|
|
|
|
return (w_win.ws_col);
|
|
|
|
#endif
|
|
|
|
cp = getenv("COLUMNS");
|
|
|
|
if (cp)
|
|
|
|
return strtol(cp, NULL, 10);
|
|
|
|
return 80;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int pretty_print_word(const char *str, int max_len,
|
|
|
|
int left_len, int overflow_nl)
|
|
|
|
{
|
|
|
|
int len = strlen(str) + left_len;
|
|
|
|
int ret = 0;
|
|
|
|
|
|
|
|
fputs(str, stdout);
|
|
|
|
if (overflow_nl && len > max_len) {
|
|
|
|
fputc('\n', stdout);
|
|
|
|
len = 0;
|
|
|
|
} else if (len > max_len)
|
|
|
|
ret = len - max_len;
|
|
|
|
do
|
|
|
|
fputc(' ', stdout);
|
|
|
|
while (len++ < max_len);
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
|
|
|
static void pretty_print_line(const char *device, const char *fs_type,
|
|
|
|
const char *label, const char *mtpt,
|
|
|
|
const char *uuid)
|
|
|
|
{
|
|
|
|
static int device_len = 10, fs_type_len = 7;
|
|
|
|
static int label_len = 8, mtpt_len = 14;
|
|
|
|
static int term_width = -1;
|
|
|
|
int len, w;
|
|
|
|
|
|
|
|
if (term_width < 0)
|
|
|
|
term_width = get_terminal_width();
|
|
|
|
|
|
|
|
if (term_width > 80) {
|
|
|
|
term_width -= 80;
|
|
|
|
w = term_width / 10;
|
|
|
|
if (w > 8)
|
|
|
|
w = 8;
|
|
|
|
term_width -= 2*w;
|
|
|
|
label_len += w;
|
|
|
|
fs_type_len += w;
|
|
|
|
w = term_width/2;
|
|
|
|
device_len += w;
|
|
|
|
mtpt_len +=w;
|
|
|
|
}
|
|
|
|
|
|
|
|
len = pretty_print_word(device, device_len, 0, 1);
|
|
|
|
len = pretty_print_word(fs_type, fs_type_len, len, 0);
|
|
|
|
len = pretty_print_word(label, label_len, len, 0);
|
|
|
|
len = pretty_print_word(mtpt, mtpt_len, len, 0);
|
|
|
|
fputs(uuid, stdout);
|
|
|
|
fputc('\n', stdout);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void pretty_print_dev(blkid_dev dev)
|
|
|
|
{
|
|
|
|
fprintf(stderr, "pretty print not implemented yet\n");
|
|
|
|
|
|
|
|
#ifdef NOT_IMPLEMENTED
|
|
|
|
blkid_tag_iterate iter;
|
|
|
|
const char *type, *value, *devname;
|
|
|
|
const char *uuid = "", *fs_type = "", *label = "";
|
|
|
|
char *cp;
|
|
|
|
int len, mount_flags;
|
|
|
|
char mtpt[80];
|
|
|
|
errcode_t retval;
|
|
|
|
|
|
|
|
if (dev == NULL) {
|
|
|
|
pretty_print_line("device", "fs_type", "label",
|
|
|
|
"mount point", "UUID");
|
|
|
|
for (len=get_terminal_width()-1; len > 0; len--)
|
|
|
|
fputc('-', stdout);
|
|
|
|
fputc('\n', stdout);
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
devname = blkid_dev_devname(dev);
|
|
|
|
if (access(devname, F_OK))
|
|
|
|
return;
|
|
|
|
|
|
|
|
/* Get the uuid, label, type */
|
|
|
|
iter = blkid_tag_iterate_begin(dev);
|
|
|
|
while (blkid_tag_next(iter, &type, &value) == 0) {
|
|
|
|
if (!strcmp(type, "UUID"))
|
|
|
|
uuid = value;
|
|
|
|
if (!strcmp(type, "TYPE"))
|
|
|
|
fs_type = value;
|
|
|
|
if (!strcmp(type, "LABEL"))
|
|
|
|
label = value;
|
|
|
|
}
|
|
|
|
blkid_tag_iterate_end(iter);
|
|
|
|
|
|
|
|
/* Get the mount point */
|
|
|
|
mtpt[0] = 0;
|
|
|
|
retval = ext2fs_check_mount_point(devname, &mount_flags,
|
|
|
|
mtpt, sizeof(mtpt));
|
|
|
|
if (retval == 0) {
|
|
|
|
if (mount_flags & EXT2_MF_MOUNTED) {
|
|
|
|
if (!mtpt[0])
|
|
|
|
strcpy(mtpt, "(mounted, mtpt unknown)");
|
|
|
|
} else if (mount_flags & EXT2_MF_BUSY)
|
|
|
|
strcpy(mtpt, "(in use)");
|
|
|
|
else
|
|
|
|
strcpy(mtpt, "(not mounted)");
|
|
|
|
}
|
|
|
|
|
|
|
|
pretty_print_line(devname, fs_type, label, mtpt, uuid);
|
|
|
|
#endif
|
|
|
|
}
|
|
|
|
|
2009-01-13 18:53:24 -06:00
|
|
|
static void print_udev_format(const char *name, const char *value, size_t sz)
|
|
|
|
{
|
|
|
|
char enc[265], safe[256];
|
|
|
|
|
|
|
|
*safe = *enc = '\0';
|
|
|
|
|
2009-01-21 10:01:22 -06:00
|
|
|
if (!strcmp(name, "TYPE") || !strcmp(name, "VERSION")) {
|
2009-01-13 18:53:24 -06:00
|
|
|
blkid_encode_string(value, enc, sizeof(enc));
|
2009-01-21 10:01:22 -06:00
|
|
|
printf("ID_FS_%s=%s\n", name, enc);
|
2009-01-13 18:53:24 -06:00
|
|
|
|
2009-01-21 10:01:22 -06:00
|
|
|
} else if (!strcmp(name, "UUID") ||
|
2009-01-13 18:53:24 -06:00
|
|
|
!strcmp(name, "LABEL") ||
|
|
|
|
!strcmp(name, "UUID_SUB")) {
|
|
|
|
|
|
|
|
blkid_safe_string(value, safe, sizeof(safe));
|
2009-01-21 10:01:22 -06:00
|
|
|
printf("ID_FS_%s=%s\n", name, safe);
|
2009-01-13 18:53:24 -06:00
|
|
|
|
2009-01-21 10:01:22 -06:00
|
|
|
blkid_encode_string(value, enc, sizeof(enc));
|
2009-01-13 18:53:24 -06:00
|
|
|
printf("ID_FS_%s_ENC=%s\n", name, enc);
|
2009-01-21 10:01:22 -06:00
|
|
|
}
|
|
|
|
else
|
|
|
|
printf("ID_FS_%s=%s\n", name, value);
|
2009-01-13 18:53:24 -06:00
|
|
|
}
|
|
|
|
|
2009-01-13 17:22:22 -06:00
|
|
|
static void print_value(int output, int num, blkid_dev dev,
|
|
|
|
const char *value, const char *name, size_t valsz)
|
|
|
|
{
|
|
|
|
if (output & OUTPUT_VALUE_ONLY) {
|
|
|
|
fputs(value, stdout);
|
|
|
|
fputc('\n', stdout);
|
|
|
|
|
2009-01-13 18:53:24 -06:00
|
|
|
} else if (output & OUTPUT_UDEV_LIST) {
|
|
|
|
print_udev_format(name, value, valsz);
|
2009-01-13 17:22:22 -06:00
|
|
|
|
|
|
|
} else {
|
|
|
|
if (num == 1 && dev)
|
|
|
|
printf("%s: ", blkid_dev_devname(dev));
|
|
|
|
fputs(name, stdout);
|
|
|
|
fputs("=\"", stdout);
|
|
|
|
safe_print(value, valsz);
|
|
|
|
fputs("\" ", stdout);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2008-09-06 08:28:40 -05:00
|
|
|
static void print_tags(blkid_dev dev, char *show[], int numtag, int output)
|
|
|
|
{
|
|
|
|
blkid_tag_iterate iter;
|
|
|
|
const char *type, *value;
|
2009-01-13 17:22:22 -06:00
|
|
|
int i, num = 1;
|
2008-09-06 08:28:40 -05:00
|
|
|
|
|
|
|
if (!dev)
|
|
|
|
return;
|
|
|
|
|
|
|
|
if (output & OUTPUT_PRETTY_LIST) {
|
|
|
|
pretty_print_dev(dev);
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (output & OUTPUT_DEVICE_ONLY) {
|
|
|
|
printf("%s\n", blkid_dev_devname(dev));
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
iter = blkid_tag_iterate_begin(dev);
|
|
|
|
while (blkid_tag_next(iter, &type, &value) == 0) {
|
|
|
|
if (numtag && show) {
|
|
|
|
for (i=0; i < numtag; i++)
|
|
|
|
if (!strcmp(type, show[i]))
|
|
|
|
break;
|
|
|
|
if (i >= numtag)
|
|
|
|
continue;
|
|
|
|
}
|
2009-01-13 17:22:22 -06:00
|
|
|
print_value(output, num++, dev, value, type, strlen(value));
|
2008-09-06 08:28:40 -05:00
|
|
|
}
|
|
|
|
blkid_tag_iterate_end(iter);
|
|
|
|
|
2009-01-13 17:22:22 -06:00
|
|
|
if (num > 1 && !(output & OUTPUT_VALUE_ONLY))
|
2008-09-06 08:28:40 -05:00
|
|
|
printf("\n");
|
|
|
|
}
|
|
|
|
|
2009-01-13 17:22:22 -06:00
|
|
|
static int lowprobe_device(blkid_probe pr, const char *devname, int output,
|
|
|
|
blkid_loff_t offset, blkid_loff_t size)
|
|
|
|
{
|
|
|
|
unsigned char *data;
|
|
|
|
const char *name;
|
|
|
|
int nvals, n;
|
|
|
|
size_t len;
|
|
|
|
int fd;
|
|
|
|
|
|
|
|
fd = open(devname, O_RDONLY);
|
|
|
|
if (fd < 0) {
|
|
|
|
perror(devname);
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (blkid_probe_set_device(pr, fd, offset, size))
|
|
|
|
goto error;
|
|
|
|
if (blkid_do_probe(pr))
|
|
|
|
goto error;
|
|
|
|
|
|
|
|
nvals = blkid_probe_numof_values(pr);
|
|
|
|
|
|
|
|
for (n = 0; n < nvals; n++) {
|
|
|
|
if (blkid_probe_get_value(pr, n, &name, &data, &len))
|
|
|
|
continue;
|
|
|
|
|
|
|
|
len = strnlen((char *) data, len);
|
|
|
|
print_value(output, n + 1, NULL, (char *) data, name, len);
|
|
|
|
}
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
error:
|
|
|
|
close(fd);
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
|
2008-09-06 08:28:40 -05:00
|
|
|
int main(int argc, char **argv)
|
|
|
|
{
|
|
|
|
blkid_cache cache = NULL;
|
|
|
|
char *devices[128] = { NULL, };
|
|
|
|
char *show[128] = { NULL, };
|
|
|
|
char *search_type = NULL, *search_value = NULL;
|
|
|
|
char *read = NULL;
|
|
|
|
char *write = NULL;
|
|
|
|
unsigned int numdev = 0, numtag = 0;
|
|
|
|
int version = 0;
|
|
|
|
int err = 4;
|
|
|
|
unsigned int i;
|
|
|
|
int output_format = 0;
|
2009-01-13 17:22:22 -06:00
|
|
|
int lookup = 0, gc = 0, lowprobe = 0;
|
2008-09-06 08:28:40 -05:00
|
|
|
int c;
|
2009-01-13 17:22:22 -06:00
|
|
|
blkid_loff_t offset = 0, size = 0;
|
2008-09-06 08:28:40 -05:00
|
|
|
|
2009-01-13 18:53:24 -06:00
|
|
|
while ((c = getopt (argc, argv, "c:f:ghlo:O:ps:S:t:w:v")) != EOF)
|
2008-09-06 08:28:40 -05:00
|
|
|
switch (c) {
|
|
|
|
case 'c':
|
|
|
|
if (optarg && !*optarg)
|
|
|
|
read = NULL;
|
|
|
|
else
|
|
|
|
read = optarg;
|
|
|
|
if (!write)
|
|
|
|
write = read;
|
|
|
|
break;
|
|
|
|
case 'l':
|
|
|
|
lookup++;
|
|
|
|
break;
|
|
|
|
case 'g':
|
|
|
|
gc = 1;
|
|
|
|
break;
|
|
|
|
case 'o':
|
|
|
|
if (!strcmp(optarg, "value"))
|
|
|
|
output_format = OUTPUT_VALUE_ONLY;
|
|
|
|
else if (!strcmp(optarg, "device"))
|
|
|
|
output_format = OUTPUT_DEVICE_ONLY;
|
|
|
|
else if (!strcmp(optarg, "list"))
|
|
|
|
output_format = OUTPUT_PRETTY_LIST;
|
2009-01-13 18:53:24 -06:00
|
|
|
else if (!strcmp(optarg, "udev"))
|
|
|
|
output_format = OUTPUT_UDEV_LIST;
|
2008-09-06 08:28:40 -05:00
|
|
|
else if (!strcmp(optarg, "full"))
|
|
|
|
output_format = 0;
|
|
|
|
else {
|
|
|
|
fprintf(stderr, "Invalid output format %s. "
|
|
|
|
"Choose from value,\n\t"
|
|
|
|
"device, list, or full\n", optarg);
|
|
|
|
exit(1);
|
|
|
|
}
|
|
|
|
break;
|
2009-01-13 17:22:22 -06:00
|
|
|
case 'O':
|
|
|
|
offset = strtoll(optarg, NULL, 10);
|
|
|
|
break;
|
|
|
|
case 'p':
|
|
|
|
lowprobe++;
|
|
|
|
break;
|
2008-09-06 08:28:40 -05:00
|
|
|
case 's':
|
|
|
|
if (numtag >= sizeof(show) / sizeof(*show)) {
|
|
|
|
fprintf(stderr, "Too many tags specified\n");
|
|
|
|
usage(err);
|
|
|
|
}
|
|
|
|
show[numtag++] = optarg;
|
|
|
|
break;
|
2009-01-13 17:22:22 -06:00
|
|
|
case 'S':
|
|
|
|
size = strtoll(optarg, NULL, 10);
|
|
|
|
break;
|
2008-09-06 08:28:40 -05:00
|
|
|
case 't':
|
|
|
|
if (search_type) {
|
|
|
|
fprintf(stderr, "Can only search for "
|
|
|
|
"one NAME=value pair\n");
|
|
|
|
usage(err);
|
|
|
|
}
|
|
|
|
if (blkid_parse_tag_string(optarg,
|
|
|
|
&search_type,
|
|
|
|
&search_value)) {
|
|
|
|
fprintf(stderr, "-t needs NAME=value pair\n");
|
|
|
|
usage(err);
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
case 'v':
|
|
|
|
version = 1;
|
|
|
|
break;
|
|
|
|
case 'w':
|
|
|
|
if (optarg && !*optarg)
|
|
|
|
write = NULL;
|
|
|
|
else
|
|
|
|
write = optarg;
|
|
|
|
break;
|
|
|
|
case 'h':
|
|
|
|
err = 0;
|
|
|
|
default:
|
|
|
|
usage(err);
|
|
|
|
}
|
|
|
|
|
|
|
|
while (optind < argc)
|
|
|
|
devices[numdev++] = argv[optind++];
|
|
|
|
|
|
|
|
if (version) {
|
|
|
|
print_version(stdout);
|
|
|
|
goto exit;
|
|
|
|
}
|
|
|
|
|
2009-01-13 17:22:22 -06:00
|
|
|
if (!lowprobe && blkid_get_cache(&cache, read) < 0)
|
2008-09-06 08:28:40 -05:00
|
|
|
goto exit;
|
|
|
|
|
|
|
|
err = 2;
|
|
|
|
if (gc) {
|
|
|
|
blkid_gc_cache(cache);
|
|
|
|
goto exit;
|
|
|
|
}
|
|
|
|
if (output_format & OUTPUT_PRETTY_LIST)
|
|
|
|
pretty_print_dev(NULL);
|
|
|
|
|
2009-01-13 17:22:22 -06:00
|
|
|
if (lowprobe) {
|
|
|
|
blkid_probe pr;
|
|
|
|
|
|
|
|
if (!numdev) {
|
|
|
|
fprintf(stderr, "The low-probe option requires a device\n");
|
|
|
|
exit(1);
|
|
|
|
}
|
|
|
|
pr = blkid_new_probe();
|
|
|
|
if (!pr)
|
|
|
|
goto exit;
|
|
|
|
blkid_probe_set_request(pr,
|
2009-01-13 18:53:24 -06:00
|
|
|
BLKID_PROBREQ_LABEL | BLKID_PROBREQ_UUID |
|
2009-01-13 17:22:22 -06:00
|
|
|
BLKID_PROBREQ_TYPE | BLKID_PROBREQ_SECTYPE |
|
|
|
|
BLKID_PROBREQ_USAGE | BLKID_PROBREQ_VERSION);
|
|
|
|
|
|
|
|
for (i = 0; i < numdev; i++)
|
|
|
|
err += lowprobe_device(pr, devices[i],
|
|
|
|
output_format, offset, size);
|
|
|
|
blkid_free_probe(pr);
|
|
|
|
} else if (lookup) {
|
2008-09-06 08:28:40 -05:00
|
|
|
blkid_dev dev;
|
|
|
|
|
|
|
|
if (!search_type) {
|
|
|
|
fprintf(stderr, "The lookup option requires a "
|
|
|
|
"search type specified using -t\n");
|
|
|
|
exit(1);
|
|
|
|
}
|
|
|
|
/* Load any additional devices not in the cache */
|
|
|
|
for (i = 0; i < numdev; i++)
|
|
|
|
blkid_get_dev(cache, devices[i], BLKID_DEV_NORMAL);
|
|
|
|
|
|
|
|
if ((dev = blkid_find_dev_with_tag(cache, search_type,
|
|
|
|
search_value))) {
|
|
|
|
print_tags(dev, show, numtag, output_format);
|
|
|
|
err = 0;
|
|
|
|
}
|
|
|
|
/* If we didn't specify a single device, show all available devices */
|
|
|
|
} else if (!numdev) {
|
|
|
|
blkid_dev_iterate iter;
|
|
|
|
blkid_dev dev;
|
|
|
|
|
|
|
|
blkid_probe_all(cache);
|
|
|
|
|
|
|
|
iter = blkid_dev_iterate_begin(cache);
|
|
|
|
blkid_dev_set_search(iter, search_type, search_value);
|
|
|
|
while (blkid_dev_next(iter, &dev) == 0) {
|
|
|
|
dev = blkid_verify(cache, dev);
|
|
|
|
if (!dev)
|
|
|
|
continue;
|
|
|
|
print_tags(dev, show, numtag, output_format);
|
|
|
|
err = 0;
|
|
|
|
}
|
|
|
|
blkid_dev_iterate_end(iter);
|
|
|
|
/* Add all specified devices to cache (optionally display tags) */
|
|
|
|
} else for (i = 0; i < numdev; i++) {
|
|
|
|
blkid_dev dev = blkid_get_dev(cache, devices[i],
|
|
|
|
BLKID_DEV_NORMAL);
|
|
|
|
|
|
|
|
if (dev) {
|
|
|
|
if (search_type &&
|
|
|
|
!blkid_dev_has_tag(dev, search_type,
|
|
|
|
search_value))
|
|
|
|
continue;
|
|
|
|
print_tags(dev, show, numtag, output_format);
|
|
|
|
err = 0;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
exit:
|
|
|
|
if (search_type)
|
|
|
|
free(search_type);
|
|
|
|
if (search_value)
|
|
|
|
free(search_value);
|
2009-01-13 17:22:22 -06:00
|
|
|
if (!lowprobe)
|
|
|
|
blkid_put_cache(cache);
|
2008-09-06 08:28:40 -05:00
|
|
|
return err;
|
|
|
|
}
|