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authorkay.sievers@vrfy.org <kay.sievers@vrfy.org>2004-06-26 01:18:21 -0700
committerGreg KH <gregkh@suse.de>2005-04-26 21:36:21 -0700
commitb99f344fde90ddc131ea6e2ec8520e018e1274e2 (patch)
treef4ee01a3a1e3bfa73c66b579b3d0b43702fa32e2 /extras
parent062db23d5eb303ef49d2ff805381229932f44246 (diff)
[PATCH] update udev_volume_id
volume_id is now able to read NTFS labels. Not very exciting, but we keep up to date with the version in HAL. Also __packed__ was needed for the structs, cause the gcc 3.4 compiled version was no longer working properly.
Diffstat (limited to 'extras')
-rw-r--r--extras/volume_id/volume_id.c540
-rw-r--r--extras/volume_id/volume_id.h18
2 files changed, 361 insertions, 197 deletions
diff --git a/extras/volume_id/volume_id.c b/extras/volume_id/volume_id.c
index dcc341c4dd..ac7e76b9d4 100644
--- a/extras/volume_id/volume_id.c
+++ b/extras/volume_id/volume_id.c
@@ -7,7 +7,7 @@
* the e2fsprogs. This is a simple straightforward implementation for
* reading the label strings of only the most common filesystems.
* If you need a full featured library with attribute caching, support for
- * much more partition/media types or non-root data access, you may have
+ * much more partition/media types or non-root disk access, you may have
* a look at:
* http://e2fsprogs.sourceforge.net.
*
@@ -26,6 +26,10 @@
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
+#ifndef _GNU_SOURCE
+#define _GNU_SOURCE
+#endif
+
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
@@ -55,12 +59,23 @@
(((__u32)(x) & 0x0000ff00u) << 8) | \
(((__u32)(x) & 0x000000ffu) << 24))
+#define bswap64(x) (__u64)((((__u64)(x) & 0xff00000000000000u) >> 56) | \
+ (((__u64)(x) & 0x00ff000000000000u) >> 40) | \
+ (((__u64)(x) & 0x0000ff0000000000u) >> 24) | \
+ (((__u64)(x) & 0x000000ff00000000u) >> 8) | \
+ (((__u64)(x) & 0x00000000ff000000u) << 8) | \
+ (((__u64)(x) & 0x0000000000ff0000u) << 24) | \
+ (((__u64)(x) & 0x000000000000ff00u) << 40) | \
+ (((__u64)(x) & 0x00000000000000ffu) << 56))
+
#if (__BYTE_ORDER == __LITTLE_ENDIAN)
#define le16_to_cpu(x) (x)
#define le32_to_cpu(x) (x)
+#define le64_to_cpu(x) (x)
#elif (__BYTE_ORDER == __BIG_ENDIAN)
#define le16_to_cpu(x) bswap16(x)
#define le32_to_cpu(x) bswap32(x)
+#define le64_to_cpu(x) bswap64(x)
#endif
/* size of superblock buffer, reiser block is at 64k */
@@ -69,15 +84,17 @@
#define SEEK_BUFFER_SIZE 0x800
-static void set_label_raw(struct volume_id *id, char *buf, int count)
+static void set_label_raw(struct volume_id *id,
+ const __u8 *buf, unsigned int count)
{
memcpy(id->label_raw, buf, count);
id->label_raw_len = count;
}
-static void set_label_string(struct volume_id *id, char *buf, int count)
+static void set_label_string(struct volume_id *id,
+ const __u8 *buf, unsigned int count)
{
- int i;
+ unsigned int i;
memcpy(id->label_string, buf, count);
@@ -90,9 +107,42 @@ static void set_label_string(struct volume_id *id, char *buf, int count)
id->label_string[i+1] = '\0';
}
-static void set_uuid(struct volume_id *id, unsigned char *buf, int count)
+#define LE 0
+#define BE 1
+static void set_label_unicode16(struct volume_id *id,
+ const __u8 *buf,
+ unsigned int endianess,
+ unsigned int count)
+{
+ unsigned int i, j;
+ __u16 c;
+
+ j = 0;
+ for (i = 0; i <= count-2; i += 2) {
+ if (endianess == LE)
+ c = (buf[i+1] << 8) | buf[i];
+ else
+ c = (buf[i] << 8) | buf[i+1];
+ if (c == 0) {
+ id->label_string[j] = '\0';
+ break;
+ } else if (c < 0x80) {
+ id->label_string[j++] = (__u8) c;
+ } else if (c < 0x800) {
+ id->label_string[j++] = (__u8) (0xc0 | (c >> 6));
+ id->label_string[j++] = (__u8) (0x80 | (c & 0x3f));
+ } else {
+ id->label_string[j++] = (__u8) (0xe0 | (c >> 12));
+ id->label_string[j++] = (__u8) (0x80 | ((c >> 6) & 0x3f));
+ id->label_string[j++] = (__u8) (0x80 | (c & 0x3f));
+ }
+ }
+}
+
+static void set_uuid(struct volume_id *id,
+ const __u8 *buf, unsigned int count)
{
- int i;
+ unsigned int i;
memcpy(id->uuid, buf, count);
@@ -121,9 +171,10 @@ set:
}
}
-static char *get_buffer(struct volume_id *id, size_t off, size_t len)
+static __u8 *get_buffer(struct volume_id *id,
+ unsigned long off, unsigned int len)
{
- size_t buf_len;
+ unsigned int buf_len;
/* check if requested area fits in superblock buffer */
if (off + len <= SB_BUFFER_SIZE) {
@@ -135,8 +186,8 @@ static char *get_buffer(struct volume_id *id, size_t off, size_t len)
/* check if we need to read */
if ((off + len) > id->sbbuf_len) {
- dbg("read sbbuf len:0x%x", off + len);
- lseek(id->fd, 0, SEEK_SET);
+ dbg("read sbbuf len:0x%lx", off + len);
+ lseek64(id->fd, 0, SEEK_SET);
buf_len = read(id->fd, id->sbbuf, off + len);
id->sbbuf_len = buf_len;
if (buf_len < off + len)
@@ -158,9 +209,10 @@ static char *get_buffer(struct volume_id *id, size_t off, size_t len)
/* check if we need to read */
if ((off < id->seekbuf_off) ||
((off + len) > (id->seekbuf_off + id->seekbuf_len))) {
- dbg("read seekbuf off:0x%x len:0x%x", off, len);
- lseek(id->fd, off, SEEK_SET);
+ dbg("read seekbuf off:0x%lx len:0x%x", off, len);
+ lseek64(id->fd, off, SEEK_SET);
buf_len = read(id->fd, id->seekbuf, len);
+ dbg("got 0x%x (%i) bytes", buf_len, buf_len);
id->seekbuf_off = off;
id->seekbuf_len = buf_len;
if (buf_len < len)
@@ -191,23 +243,23 @@ static void free_buffer(struct volume_id *id)
static int probe_ext(struct volume_id *id)
{
struct ext2_super_block {
- __u32 inodes_count;
- __u32 blocks_count;
- __u32 r_blocks_count;
- __u32 free_blocks_count;
- __u32 free_inodes_count;
- __u32 first_data_block;
- __u32 log_block_size;
- __u32 dummy3[7];
- unsigned char magic[2];
- __u16 state;
- __u32 dummy5[8];
- __u32 feature_compat;
- __u32 feature_incompat;
- __u32 feature_ro_compat;
- unsigned char uuid[16];
- char volume_name[16];
- } *es;
+ __u32 inodes_count;
+ __u32 blocks_count;
+ __u32 r_blocks_count;
+ __u32 free_blocks_count;
+ __u32 free_inodes_count;
+ __u32 first_data_block;
+ __u32 log_block_size;
+ __u32 dummy3[7];
+ __u8 magic[2];
+ __u16 state;
+ __u32 dummy5[8];
+ __u32 feature_compat;
+ __u32 feature_incompat;
+ __u32 feature_ro_compat;
+ __u8 uuid[16];
+ __u8 volume_name[16];
+ } __attribute__((__packed__)) *es;
es = (struct ext2_super_block *)
get_buffer(id, EXT_SUPERBLOCK_OFFSET, 0x200);
@@ -239,20 +291,20 @@ static int probe_ext(struct volume_id *id)
static int probe_reiser(struct volume_id *id)
{
struct reiser_super_block {
- __u32 blocks_count;
- __u32 free_blocks;
- __u32 root_block;
- __u32 journal_block;
- __u32 journal_dev;
- __u32 orig_journal_size;
- __u32 dummy2[5];
- __u16 blocksize;
- __u16 dummy3[3];
- unsigned char magic[12];
- __u32 dummy4[5];
- unsigned char uuid[16];
- char label[16];
- } *rs;
+ __u32 blocks_count;
+ __u32 free_blocks;
+ __u32 root_block;
+ __u32 journal_block;
+ __u32 journal_dev;
+ __u32 orig_journal_size;
+ __u32 dummy2[5];
+ __u16 blocksize;
+ __u16 dummy3[3];
+ __u8 magic[12];
+ __u32 dummy4[5];
+ __u8 uuid[16];
+ __u8 label[16];
+ } __attribute__((__packed__)) *rs;
rs = (struct reiser_super_block *)
get_buffer(id, REISER_SUPERBLOCK_OFFSET, 0x200);
@@ -288,19 +340,19 @@ found:
static int probe_xfs(struct volume_id *id)
{
struct xfs_super_block {
- unsigned char magic[4];
- __u32 blocksize;
- __u64 dblocks;
- __u64 rblocks;
- __u32 dummy1[2];
- unsigned char uuid[16];
- __u32 dummy2[15];
- char fname[12];
- __u32 dummy3[2];
- __u64 icount;
- __u64 ifree;
- __u64 fdblocks;
- } *xs;
+ __u8 magic[4];
+ __u32 blocksize;
+ __u64 dblocks;
+ __u64 rblocks;
+ __u32 dummy1[2];
+ __u8 uuid[16];
+ __u32 dummy2[15];
+ __u8 fname[12];
+ __u32 dummy3[2];
+ __u64 icount;
+ __u64 ifree;
+ __u64 fdblocks;
+ } __attribute__((__packed__)) *xs;
xs = (struct xfs_super_block *) get_buffer(id, 0, 0x200);
if (xs == NULL)
@@ -323,17 +375,17 @@ static int probe_xfs(struct volume_id *id)
static int probe_jfs(struct volume_id *id)
{
struct jfs_super_block {
- unsigned char magic[4];
- __u32 version;
- __u64 size;
- __u32 bsize;
- __u32 dummy1;
- __u32 pbsize;
- __u32 dummy2[27];
- unsigned char uuid[16];
- unsigned char label[16];
- unsigned char loguuid[16];
- } *js;
+ __u8 magic[4];
+ __u32 version;
+ __u64 size;
+ __u32 bsize;
+ __u32 dummy1;
+ __u32 pbsize;
+ __u32 dummy2[27];
+ __u8 uuid[16];
+ __u8 label[16];
+ __u8 loguuid[16];
+ } __attribute__((__packed__)) *js;
js = (struct jfs_super_block *)
get_buffer(id, JFS_SUPERBLOCK_OFFSET, 0x200);
@@ -356,34 +408,34 @@ static int probe_jfs(struct volume_id *id)
static int probe_vfat(struct volume_id *id)
{
struct vfat_super_block {
- unsigned char ignored[3];
- unsigned char sysid[8];
- unsigned char sector_size[2];
- __u8 cluster_size;
- __u16 reserved;
- __u8 fats;
- unsigned char dir_entries[2];
- unsigned char sectors[2];
- unsigned char media;
- __u16 fat_length;
- __u16 secs_track;
- __u16 heads;
- __u32 hidden;
- __u32 total_sect;
- __u32 fat32_length;
- __u16 flags;
- __u8 version[2];
- __u32 root_cluster;
- __u16 insfo_sector;
- __u16 backup_boot;
- __u16 reserved2[6];
- unsigned char unknown[3];
- unsigned char serno[4];
- char label[11];
- unsigned char magic[8];
- unsigned char dummy2[164];
- unsigned char pmagic[2];
- } *vs;
+ __u8 ignored[3];
+ __u8 sysid[8];
+ __u8 sector_size[2];
+ __u8 cluster_size;
+ __u16 reserved;
+ __u8 fats;
+ __u8 dir_entries[2];
+ __u8 sectors[2];
+ __u8 media;
+ __u16 fat_length;
+ __u16 secs_track;
+ __u16 heads;
+ __u32 hidden;
+ __u32 total_sect;
+ __u32 fat32_length;
+ __u16 flags;
+ __u8 version[2];
+ __u32 root_cluster;
+ __u16 insfo_sector;
+ __u16 backup_boot;
+ __u16 reserved2[6];
+ __u8 unknown[3];
+ __u8 serno[4];
+ __u8 label[11];
+ __u8 magic[8];
+ __u8 dummy2[164];
+ __u8 pmagic[2];
+ } __attribute__((__packed__)) *vs;
vs = (struct vfat_super_block *) get_buffer(id, 0, 0x200);
if (vs == NULL)
@@ -409,27 +461,27 @@ found:
static int probe_msdos(struct volume_id *id)
{
struct msdos_super_block {
- unsigned char ignored[3];
- unsigned char sysid[8];
- unsigned char sector_size[2];
- __u8 cluster_size;
- __u16 reserved;
- __u8 fats;
- unsigned char dir_entries[2];
- unsigned char sectors[2];
- unsigned char media;
- __u16 fat_length;
- __u16 secs_track;
- __u16 heads;
- __u32 hidden;
- __u32 total_sect;
- unsigned char unknown[3];
- unsigned char serno[4];
- char label[11];
- unsigned char magic[8];
- unsigned char dummy2[192];
- unsigned char pmagic[2];
- } *ms;
+ __u8 ignored[3];
+ __u8 sysid[8];
+ __u8 sector_size[2];
+ __u8 cluster_size;
+ __u16 reserved;
+ __u8 fats;
+ __u8 dir_entries[2];
+ __u8 sectors[2];
+ __u8 media;
+ __u16 fat_length;
+ __u16 secs_track;
+ __u16 heads;
+ __u32 hidden;
+ __u32 total_sect;
+ __u8 unknown[3];
+ __u8 serno[4];
+ __u8 label[11];
+ __u8 magic[8];
+ __u8 dummy2[192];
+ __u8 pmagic[2];
+ } __attribute__((__packed__)) *ms;
ms = (struct msdos_super_block *) get_buffer(id, 0, 0x200);
if (ms == NULL)
@@ -459,45 +511,43 @@ static int probe_udf(struct volume_id *id)
{
struct volume_descriptor {
struct descriptor_tag {
- __u16 id;
- __u16 version;
- unsigned char checksum;
- unsigned char reserved;
- __u16 serial;
- __u16 crc;
- __u16 crc_len;
- __u32 location;
- } tag;
+ __u16 id;
+ __u16 version;
+ __u8 checksum;
+ __u8 reserved;
+ __u16 serial;
+ __u16 crc;
+ __u16 crc_len;
+ __u32 location;
+ } __attribute__((__packed__)) tag;
union {
struct anchor_descriptor {
- __u32 length;
- __u32 location;
- } anchor;
+ __u32 length;
+ __u32 location;
+ } __attribute__((__packed__)) anchor;
struct primary_descriptor {
- __u32 seq_num;
- __u32 desc_num;
+ __u32 seq_num;
+ __u32 desc_num;
struct dstring {
- char clen;
- char c[31];
- } ident;
- } primary;
- } type;
- } *vd;
+ __u8 clen;
+ __u8 c[31];
+ } __attribute__((__packed__)) ident;
+ } __attribute__((__packed__)) primary;
+ } __attribute__((__packed__)) type;
+ } __attribute__((__packed__)) *vd;
struct volume_structure_descriptor {
- unsigned char type;
- char id[5];
- unsigned char version;
+ __u8 type;
+ __u8 id[5];
+ __u8 version;
} *vsd;
- size_t bs;
- size_t b;
- int type;
- int count;
- int loc;
- int clen;
- int i,j;
- int c;
+ unsigned int bs;
+ unsigned int b;
+ unsigned int type;
+ unsigned int count;
+ unsigned int loc;
+ unsigned int clen;
vsd = (struct volume_structure_descriptor *)
get_buffer(id, UDF_VSD_OFFSET, 0x200);
@@ -594,29 +644,10 @@ pvd:
clen = vd->type.primary.ident.clen;
dbg("label string charsize=%i bit", clen);
- if (clen == 8) {
+ if (clen == 8)
set_label_string(id, vd->type.primary.ident.c, 31);
- } else if (clen == 16) {
- /* convert unicode OSTA dstring to UTF-8 */
- j = 0;
- for (i = 0; i < 32; i += 2) {
- c = (vd->type.primary.ident.c[i] << 8) |
- vd->type.primary.ident.c[i+1];
- if (c == 0) {
- id->label_string[j] = '\0';
- break;
- }else if (c < 0x80U) {
- id->label_string[j++] = (char) c;
- } else if (c < 0x800U) {
- id->label_string[j++] = (char) (0xc0 | (c >> 6));
- id->label_string[j++] = (char) (0x80 | (c & 0x3f));
- } else {
- id->label_string[j++] = (char) (0xe0 | (c >> 12));
- id->label_string[j++] = (char) (0x80 | ((c >> 6) & 0x3f));
- id->label_string[j++] = (char) (0x80 | (c & 0x3f));
- }
- }
- }
+ else if (clen == 16)
+ set_label_unicode16(id, vd->type.primary.ident.c, BE,31);
found:
id->fs_type = UDF;
@@ -630,20 +661,20 @@ static int probe_iso9660(struct volume_id *id)
{
union iso_super_block {
struct iso_header {
- unsigned char type;
- char id[5];
- unsigned char version;
- unsigned char unused1;
- char system_id[32];
- char volume_id[32];
- } iso;
+ __u8 type;
+ __u8 id[5];
+ __u8 version;
+ __u8 unused1;
+ __u8 system_id[32];
+ __u8 volume_id[32];
+ } __attribute__((__packed__)) iso;
struct hs_header {
- char foo[8];
- unsigned char type;
- char id[4];
- unsigned char version;
- } hs;
- } *is;
+ __u8 foo[8];
+ __u8 type;
+ __u8 id[4];
+ __u8 version;
+ } __attribute__((__packed__)) hs;
+ } __attribute__((__packed__)) *is;
is = (union iso_super_block *)
get_buffer(id, ISO_SUPERBLOCK_OFFSET, 0x200);
@@ -666,12 +697,73 @@ found:
return 0;
}
+#define MFT_RECORD_VOLUME 3
+#define MFT_RECORD_ATTR_VOLUME_NAME 0x60u
+#define MFT_RECORD_ATTR_OBJECT_ID 0x40u
+#define MFT_RECORD_ATTR_END 0xffffffffu
static int probe_ntfs(struct volume_id *id)
{
struct ntfs_super_block {
- char jump[3];
- char oem_id[4];
- } *ns;
+ __u8 jump[3];
+ __u8 oem_id[8];
+ struct bios_param_block {
+ __u16 bytes_per_sector;
+ __u8 sectors_per_cluster;
+ __u16 reserved_sectors;
+ __u8 fats;
+ __u16 root_entries;
+ __u16 sectors;
+ __u8 media_type; /* 0xf8 = hard disk */
+ __u16 sectors_per_fat;
+ __u16 sectors_per_track;
+ __u16 heads;
+ __u32 hidden_sectors;
+ __u32 large_sectors;
+ } __attribute__((__packed__)) bpb;
+ __u8 unused[4];
+ __u64 number_of_sectors;
+ __u64 mft_cluster_location;
+ __u64 mft_mirror_cluster_location;
+ __s8 cluster_per_mft_record;
+ } __attribute__((__packed__)) *ns;
+
+ struct master_file_table_record {
+ __u8 magic[4];
+ __u16 usa_ofs;
+ __u16 usa_count;
+ __u64 lsn;
+ __u16 sequence_number;
+ __u16 link_count;
+ __u16 attrs_offset;
+ __u16 flags;
+ __u32 bytes_in_use;
+ __u32 bytes_allocated;
+ } __attribute__((__packed__)) *mftr;
+
+ struct file_attribute {
+ __u32 type;
+ __u32 len;
+ __u8 non_resident;
+ __u8 name_len;
+ __u16 name_offset;
+ __u16 flags;
+ __u16 instance;
+ __u32 value_len;
+ __u16 value_offset;
+ } __attribute__((__packed__)) *attr;
+
+ unsigned int sector_size;
+ unsigned int cluster_size;
+ unsigned long mft_cluster;
+ unsigned long mft_off;
+ unsigned int mft_record_size;
+ unsigned int attr_type;
+ unsigned int attr_off;
+ unsigned int attr_len;
+ unsigned int val_off;
+ unsigned int val_len;
+ const __u8 *buf;
+ const __u8 *val;
ns = (struct ntfs_super_block *) get_buffer(id, 0, 0x200);
if (ns == NULL)
@@ -680,6 +772,78 @@ static int probe_ntfs(struct volume_id *id)
if (strncmp(ns->oem_id, "NTFS", 4) != 0)
return -1;
+ sector_size = le16_to_cpu(ns->bpb.bytes_per_sector);
+ cluster_size = ns->bpb.sectors_per_cluster * sector_size;
+ mft_cluster = le64_to_cpu(ns->mft_cluster_location);
+ mft_off = mft_cluster * cluster_size;
+
+ if (ns->cluster_per_mft_record < 0)
+ /* size = -log2(mft_record_size); normally 1024 Bytes */
+ mft_record_size = 1 << -ns->cluster_per_mft_record;
+ else
+ mft_record_size = ns->cluster_per_mft_record * cluster_size;
+
+ dbg("sectorsize 0x%x", sector_size);
+ dbg("clustersize 0x%x", cluster_size);
+ dbg("mftcluster %li", mft_cluster);
+ dbg("mftoffset 0x%lx", mft_off);
+ dbg("cluster per mft_record %i", ns->cluster_per_mft_record);
+ dbg("mft record size %i", mft_record_size);
+
+ buf = get_buffer(id, mft_off + (MFT_RECORD_VOLUME * mft_record_size),
+ mft_record_size);
+ if (buf == NULL)
+ goto found;
+
+ mftr = (struct master_file_table_record*) buf;
+
+ dbg("mftr->magic[0] = '%c' %03d, 0x%02x", mftr->magic[0], mftr->magic[0], mftr->magic[0]);
+ dbg("mftr->magic[1] = '%c' %03d, 0x%02x", mftr->magic[1], mftr->magic[1], mftr->magic[1]);
+ dbg("mftr->magic[2] = '%c' %03d, 0x%02x", mftr->magic[2], mftr->magic[2], mftr->magic[2]);
+ dbg("mftr->magic[3] = '%c' %03d, 0x%02x", mftr->magic[3], mftr->magic[3], mftr->magic[3]);
+ if (strncmp(mftr->magic, "FILE", 4) != 0)
+ goto found;
+
+ attr_off = le16_to_cpu(mftr->attrs_offset);
+ dbg("file $Volume's attributes are at offset %i", attr_off);
+
+ while (1) {
+ attr = (struct file_attribute*) &buf[attr_off];
+ attr_type = le32_to_cpu(attr->type);
+ attr_len = le16_to_cpu(attr->len);
+ val_off = le16_to_cpu(attr->value_offset);
+ val_len = le32_to_cpu(attr->value_len);
+
+ if (attr_type == MFT_RECORD_ATTR_END)
+ break;
+
+ dbg("found attribute type 0x%x, len %i, at offset %i",
+ attr_type, attr_len, attr_off);
+
+ if (attr_type == MFT_RECORD_ATTR_VOLUME_NAME) {
+ dbg("found label, len %i", val_len);
+ if (val_len > VOLUME_ID_LABEL_SIZE)
+ val_len = VOLUME_ID_LABEL_SIZE;
+
+ val = &((__u8 *) attr)[val_off];
+ set_label_raw(id, val, val_len);
+ set_label_unicode16(id, val, LE, val_len);
+ }
+
+ if (attr_type == MFT_RECORD_ATTR_OBJECT_ID) {
+ dbg("found uuid");
+ val = &((__u8 *) attr)[val_off];
+ set_uuid(id, val, 16);
+ }
+
+ if (attr_len == 0)
+ break;
+ attr_off += attr_len;
+ if (attr_off >= mft_record_size)
+ break;
+ }
+
+found:
id->fs_type = NTFS;
id->fs_name = "ntfs";
@@ -689,8 +853,8 @@ static int probe_ntfs(struct volume_id *id)
#define LARGEST_PAGESIZE 0x4000
static int probe_swap(struct volume_id *id)
{
- char *sig;
- size_t page;
+ const __u8 *sig;
+ unsigned int page;
/* huhh, the swap signature is on the end of the PAGE_SIZE */
for (page = 0x1000; page <= LARGEST_PAGESIZE; page <<= 1) {
@@ -836,7 +1000,7 @@ struct volume_id *volume_id_open_node(const char *path)
struct volume_id *volume_id_open_dev_t(dev_t devt)
{
struct volume_id *id;
- char tmp_node[VOLUME_ID_PATH_MAX];
+ __u8 tmp_node[VOLUME_ID_PATH_MAX];
snprintf(tmp_node, VOLUME_ID_PATH_MAX,
"/tmp/volume-%u-%u-%u", getpid(), major(devt), minor(devt));
diff --git a/extras/volume_id/volume_id.h b/extras/volume_id/volume_id.h
index 2f20244c7c..a939743dc1 100644
--- a/extras/volume_id/volume_id.h
+++ b/extras/volume_id/volume_id.h
@@ -21,9 +21,9 @@
#ifndef _VOLUME_ID_H_
#define _VOLUME_ID_H_
-#define VOLUME_ID_VERSION 002
+#define VOLUME_ID_VERSION 004
-#define VOLUME_ID_LABEL_SIZE 32
+#define VOLUME_ID_LABEL_SIZE 64
#define VOLUME_ID_UUID_SIZE 16
#define VOLUME_ID_UUID_STRING_SIZE 37
#define VOLUME_ID_PATH_MAX 255
@@ -45,19 +45,19 @@ enum filesystem_type {
};
struct volume_id {
- char label_raw[VOLUME_ID_LABEL_SIZE];
- size_t label_raw_len;
+ unsigned char label_raw[VOLUME_ID_LABEL_SIZE];
+ unsigned int label_raw_len;
char label_string[VOLUME_ID_LABEL_SIZE+1];
unsigned char uuid[VOLUME_ID_UUID_SIZE];
char uuid_string[VOLUME_ID_UUID_STRING_SIZE];
enum filesystem_type fs_type;
char *fs_name;
int fd;
- char *sbbuf;
- size_t sbbuf_len;
- char *seekbuf;
- size_t seekbuf_off;
- size_t seekbuf_len;
+ unsigned char *sbbuf;
+ unsigned int sbbuf_len;
+ unsigned char *seekbuf;
+ unsigned int seekbuf_off;
+ unsigned int seekbuf_len;
int fd_close;
};