volume_id: disable detection routines which are not setting label and uuid anyway

function                                             old     new   delta
static.warn                                            1       -      -1
static.drive_name_string                              14      12      -2
static.offsets                                         8       -      -8
static.sectors                                        10       -     -10
fs2                                                   60      48     -12
raid2                                                 16       -     -16
uuidcache_init                                       704     677     -27
raid1                                                 32       -     -32
volume_id_probe_all                                  198     158     -40
volume_id_probe_lvm1                                  58       -     -58
volume_id_probe_highpoint_37x_raid                    63       -     -63
volume_id_probe_hpfs                                  67       -     -67
volume_id_probe_minix                                 74       -     -74
volume_id_probe_lvm2                                  78       -     -78
volume_id_probe_silicon_medley_raid                   97       -     -97
volume_id_probe_via_raid                             101       -    -101
volume_id_probe_highpoint_45x_raid                   104       -    -104
volume_id_probe_nvidia_raid                          108       -    -108
volume_id_probe_lsi_mega_raid                        108       -    -108
volume_id_probe_intel_software_raid                  108       -    -108
volume_id_probe_ufs                                  126       -    -126
volume_id_probe_promise_fasttrack_raid               144       -    -144
------------------------------------------------------------------------------
(add/remove: 0/18 grow/shrink: 0/4 up/down: 0/-1384)        Total: -1384 bytes
   text    data     bss     dec     hex filename
 794244     662    7420  802326   c3e16 busybox_old
 792698     662    7420  800780   c380c busybox_unstripped

22 files changed, 234 insertions, 238 deletions

diff --git a/TODO_config_nommu b/TODO_config_nommu
index e628568..21960a0 100644
--- a/TODO_config_nommu
+++ b/TODO_config_nommu
@@ -497,27 +497,16 @@ CONFIG_FEATURE_VOLUMEID_REISERFS=y
 CONFIG_FEATURE_VOLUMEID_FAT=y
 CONFIG_FEATURE_VOLUMEID_HFS=y
 CONFIG_FEATURE_VOLUMEID_JFS=y
-CONFIG_FEATURE_VOLUMEID_UFS=y
 CONFIG_FEATURE_VOLUMEID_XFS=y
 CONFIG_FEATURE_VOLUMEID_NTFS=y
 CONFIG_FEATURE_VOLUMEID_ISO9660=y
 CONFIG_FEATURE_VOLUMEID_UDF=y
 CONFIG_FEATURE_VOLUMEID_LUKS=y
 CONFIG_FEATURE_VOLUMEID_LINUXSWAP=y
-CONFIG_FEATURE_VOLUMEID_LVM=y
 CONFIG_FEATURE_VOLUMEID_CRAMFS=y
-CONFIG_FEATURE_VOLUMEID_HPFS=y
 CONFIG_FEATURE_VOLUMEID_ROMFS=y
 CONFIG_FEATURE_VOLUMEID_SYSV=y
-CONFIG_FEATURE_VOLUMEID_MINIX=y
 CONFIG_FEATURE_VOLUMEID_OCFS2=y
-CONFIG_FEATURE_VOLUMEID_HIGHPOINTRAID=y
-CONFIG_FEATURE_VOLUMEID_ISWRAID=y
-CONFIG_FEATURE_VOLUMEID_LSIRAID=y
-CONFIG_FEATURE_VOLUMEID_VIARAID=y
-CONFIG_FEATURE_VOLUMEID_SILICONRAID=y
-CONFIG_FEATURE_VOLUMEID_NVIDIARAID=y
-CONFIG_FEATURE_VOLUMEID_PROMISERAID=y
 CONFIG_FEATURE_VOLUMEID_LINUXRAID=y
 CONFIG_MOUNT=y
 CONFIG_FEATURE_MOUNT_FAKE=y
diff --git a/e2fsprogs/Config.in b/e2fsprogs/Config.in
index 521273e..fe8d031 100644
--- a/e2fsprogs/Config.in
+++ b/e2fsprogs/Config.in
@@ -12,13 +12,13 @@ config CHATTR
 	  chattr changes the file attributes on a second extended file system.
 
 ### config E2FSCK
-### 	bool "e2fsck"
-### 	default n
-### 	help
-### 	  e2fsck is used to check Linux second extended file systems (ext2fs).
-### 	  e2fsck also supports ext2 filesystems countaining a journal (ext3).
-### 	  The normal compat symlinks 'fsck.ext2' and 'fsck.ext3' are also
-### 	  provided.
+###	bool "e2fsck"
+###	default n
+###	help
+###	  e2fsck is used to check Linux second extended file systems (ext2fs).
+###	  e2fsck also supports ext2 filesystems countaining a journal (ext3).
+###	  The normal compat symlinks 'fsck.ext2' and 'fsck.ext3' are also
+###	  provided.
 
 config FSCK
 	bool "fsck"
@@ -35,33 +35,34 @@ config LSATTR
 	  lsattr lists the file attributes on a second extended file system.
 
 ### config MKE2FS
-### 	bool "mke2fs"
-### 	default n
-### 	help
-### 	  mke2fs is used to create an ext2/ext3 filesystem.  The normal compat
-### 	  symlinks 'mkfs.ext2' and 'mkfs.ext3' are also provided.
+###	bool "mke2fs"
+###	default n
+###	help
+###	  mke2fs is used to create an ext2/ext3 filesystem.  The normal compat
+###	  symlinks 'mkfs.ext2' and 'mkfs.ext3' are also provided.
 
 ### config TUNE2FS
-### 	bool "tune2fs"
-### 	default n
-### 	help
-### 	  tune2fs allows the system administrator to adjust various tunable
-### 	  filesystem parameters on Linux ext2/ext3 filesystems.
+###	bool "tune2fs"
+###	default n
+###	help
+###	  tune2fs allows the system administrator to adjust various tunable
+###	  filesystem parameters on Linux ext2/ext3 filesystems.
 
 ### config E2LABEL
-### 	bool "e2label"
-### 	default n
-### 	depends on TUNE2FS
-### 	help
-### 	  e2label will display or change the filesystem label on the ext2
-### 	  filesystem located on device.
+###	bool "e2label"
+###	default n
+###	depends on TUNE2FS
+###	help
+###	  e2label will display or change the filesystem label on the ext2
+###	  filesystem located on device.
 
+### NB: this one is now provided by util-linux/volume_id/*
 ### config FINDFS
-### 	bool "findfs"
-### 	default n
-### 	depends on TUNE2FS
-### 	help
-### 	  findfs will search the disks in the system looking for a filesystem
-### 	  which has a label matching label or a UUID equal to uuid.
+###	bool "findfs"
+###	default n
+###	depends on TUNE2FS
+###	help
+###	  findfs will search the disks in the system looking for a filesystem
+###	  which has a label matching label or a UUID equal to uuid.
 
 endmenu
diff --git a/scripts/defconfig b/scripts/defconfig
index 6dbe5d1..6d9997e 100644
--- a/scripts/defconfig
+++ b/scripts/defconfig
@@ -493,27 +493,16 @@ CONFIG_FEATURE_USE_TERMIOS=y
 # CONFIG_FEATURE_VOLUMEID_FAT is not set
 # CONFIG_FEATURE_VOLUMEID_HFS is not set
 # CONFIG_FEATURE_VOLUMEID_JFS is not set
-# CONFIG_FEATURE_VOLUMEID_UFS is not set
 # CONFIG_FEATURE_VOLUMEID_XFS is not set
 # CONFIG_FEATURE_VOLUMEID_NTFS is not set
 # CONFIG_FEATURE_VOLUMEID_ISO9660 is not set
 # CONFIG_FEATURE_VOLUMEID_UDF is not set
 # CONFIG_FEATURE_VOLUMEID_LUKS is not set
 # CONFIG_FEATURE_VOLUMEID_LINUXSWAP is not set
-# CONFIG_FEATURE_VOLUMEID_LVM is not set
 # CONFIG_FEATURE_VOLUMEID_CRAMFS is not set
-# CONFIG_FEATURE_VOLUMEID_HPFS is not set
 # CONFIG_FEATURE_VOLUMEID_ROMFS is not set
 # CONFIG_FEATURE_VOLUMEID_SYSV is not set
-# CONFIG_FEATURE_VOLUMEID_MINIX is not set
 # CONFIG_FEATURE_VOLUMEID_OCFS2 is not set
-# CONFIG_FEATURE_VOLUMEID_HIGHPOINTRAID is not set
-# CONFIG_FEATURE_VOLUMEID_ISWRAID is not set
-# CONFIG_FEATURE_VOLUMEID_LSIRAID is not set
-# CONFIG_FEATURE_VOLUMEID_VIARAID is not set
-# CONFIG_FEATURE_VOLUMEID_SILICONRAID is not set
-# CONFIG_FEATURE_VOLUMEID_NVIDIARAID is not set
-# CONFIG_FEATURE_VOLUMEID_PROMISERAID is not set
 # CONFIG_FEATURE_VOLUMEID_LINUXRAID is not set
 CONFIG_MOUNT=y
 CONFIG_FEATURE_MOUNT_FAKE=y
diff --git a/util-linux/Config.in b/util-linux/Config.in
index a1e843a..1c3fe88 100644
--- a/util-linux/Config.in
+++ b/util-linux/Config.in
@@ -159,7 +159,7 @@ config FINDFS
 	  package.  However, the e2fsprogs version only support ext2/3.  This
 	  version supports those in addition to FAT, swap, and ReiserFS.
 	  WARNING:
-	  With all submodules selected, it will add ~9k to busybox.
+	  With all submodules selected, it will add ~8k to busybox.
 
 config FREERAMDISK
 	bool "freeramdisk"
@@ -427,12 +427,12 @@ config FEATURE_VOLUMEID_JFS
 	help
 	  TODO
 
-config FEATURE_VOLUMEID_UFS
-	bool "ufs filesystem"
-	default n
-	depends on VOLUMEID
-	help
-	  TODO
+### config FEATURE_VOLUMEID_UFS
+###	bool "ufs filesystem"
+###	default n
+###	depends on VOLUMEID
+###	help
+###	  TODO
 
 config FEATURE_VOLUMEID_XFS
 	bool "xfs filesystem"
@@ -476,12 +476,12 @@ config FEATURE_VOLUMEID_LINUXSWAP
 	help
 	  TODO
 
-config FEATURE_VOLUMEID_LVM
-	bool "lvm"
-	default n
-	depends on VOLUMEID
-	help
-	  TODO
+### config FEATURE_VOLUMEID_LVM
+###	bool "lvm"
+###	default n
+###	depends on VOLUMEID
+###	help
+###	  TODO
 
 config FEATURE_VOLUMEID_CRAMFS
 	bool "cramfs filesystem"
@@ -490,12 +490,12 @@ config FEATURE_VOLUMEID_CRAMFS
 	help
 	  TODO
 
-config FEATURE_VOLUMEID_HPFS
-	bool "hpfs filesystem"
-	default n
-	depends on VOLUMEID
-	help
-	  TODO
+### config FEATURE_VOLUMEID_HPFS
+###	bool "hpfs filesystem"
+###	default n
+###	depends on VOLUMEID
+###	help
+###	  TODO
 
 config FEATURE_VOLUMEID_ROMFS
 	bool "romfs filesystem"
@@ -511,27 +511,27 @@ config FEATURE_VOLUMEID_SYSV
 	help
 	  TODO
 
-config FEATURE_VOLUMEID_MINIX
-	bool "minix filesystem"
-	default n
-	depends on VOLUMEID
-	help
-	  TODO
+### config FEATURE_VOLUMEID_MINIX
+###	bool "minix filesystem"
+###	default n
+###	depends on VOLUMEID
+###	help
+###	  TODO
 
 ### These only detect partition tables - not used (yet?)
 ### config FEATURE_VOLUMEID_MAC
-### 	bool "mac filesystem"
-### 	default n
-### 	depends on VOLUMEID
-### 	help
-### 	  TODO
+###	bool "mac filesystem"
+###	default n
+###	depends on VOLUMEID
+###	help
+###	  TODO
 ### 
 ### config FEATURE_VOLUMEID_MSDOS
-### 	bool "msdos filesystem"
-### 	default n
-### 	depends on VOLUMEID
-### 	help
-### 	  TODO
+###	bool "msdos filesystem"
+###	default n
+###	depends on VOLUMEID
+###	help
+###	  TODO
 
 config FEATURE_VOLUMEID_OCFS2
 	bool "ocfs2 filesystem"
@@ -540,54 +540,54 @@ config FEATURE_VOLUMEID_OCFS2
 	help
 	  TODO
 
-config FEATURE_VOLUMEID_HIGHPOINTRAID
-	bool "highpoint raid"
-	default n
-	depends on VOLUMEID
-	help
-	  TODO
-
-config FEATURE_VOLUMEID_ISWRAID
-	bool "intel raid"
-	default n
-	depends on VOLUMEID
-	help
-	  TODO
-
-config FEATURE_VOLUMEID_LSIRAID
-	bool "lsi raid"
-	default n
-	depends on VOLUMEID
-	help
-	  TODO
-
-config FEATURE_VOLUMEID_VIARAID
-	bool "via raid"
-	default n
-	depends on VOLUMEID
-	help
-	  TODO
-
-config FEATURE_VOLUMEID_SILICONRAID
-	bool "silicon raid"
-	default n
-	depends on VOLUMEID
-	help
-	  TODO
-
-config FEATURE_VOLUMEID_NVIDIARAID
-	bool "nvidia raid"
-	default n
-	depends on VOLUMEID
-	help
-	  TODO
-
-config FEATURE_VOLUMEID_PROMISERAID
-	bool "promise raid"
-	default n
-	depends on VOLUMEID
-	help
-	  TODO
+### config FEATURE_VOLUMEID_HIGHPOINTRAID
+###	bool "highpoint raid"
+###	default n
+###	depends on VOLUMEID
+###	help
+###	  TODO
+
+### config FEATURE_VOLUMEID_ISWRAID
+###	bool "intel raid"
+###	default n
+###	depends on VOLUMEID
+###	help
+###	  TODO
+
+### config FEATURE_VOLUMEID_LSIRAID
+###	bool "lsi raid"
+###	default n
+###	depends on VOLUMEID
+###	help
+###	  TODO
+
+### config FEATURE_VOLUMEID_VIARAID
+###	bool "via raid"
+###	default n
+###	depends on VOLUMEID
+###	help
+###	  TODO
+
+### config FEATURE_VOLUMEID_SILICONRAID
+###	bool "silicon raid"
+###	default n
+###	depends on VOLUMEID
+###	help
+###	  TODO
+
+### config FEATURE_VOLUMEID_NVIDIARAID
+###	bool "nvidia raid"
+###	default n
+###	depends on VOLUMEID
+###	help
+###	  TODO
+
+### config FEATURE_VOLUMEID_PROMISERAID
+###	bool "promise raid"
+###	default n
+###	depends on VOLUMEID
+###	help
+###	  TODO
 
 config FEATURE_VOLUMEID_LINUXRAID
 	bool "linuxraid"
diff --git a/util-linux/volume_id/Kbuild b/util-linux/volume_id/Kbuild
index 96cd880..54b95f0 100644
--- a/util-linux/volume_id/Kbuild
+++ b/util-linux/volume_id/Kbuild
@@ -13,30 +13,29 @@ lib-$(CONFIG_VOLUMEID)                          += volume_id.o util.o
 lib-$(CONFIG_FEATURE_VOLUMEID_EXT)              += ext.o
 lib-$(CONFIG_FEATURE_VOLUMEID_FAT)              += fat.o
 lib-$(CONFIG_FEATURE_VOLUMEID_HFS)              += hfs.o
-lib-$(CONFIG_FEATURE_VOLUMEID_HIGHPOINTRAID)    += highpoint.o
-lib-$(CONFIG_FEATURE_VOLUMEID_ISWRAID)          += isw_raid.o
-lib-$(CONFIG_FEATURE_VOLUMEID_LSIRAID)          += lsi_raid.o
-lib-$(CONFIG_FEATURE_VOLUMEID_VIARAID)          += via_raid.o
-lib-$(CONFIG_FEATURE_VOLUMEID_SILICONRAID)      += silicon_raid.o
-lib-$(CONFIG_FEATURE_VOLUMEID_NVIDIARAID)       += nvidia_raid.o
-lib-$(CONFIG_FEATURE_VOLUMEID_PROMISERAID)      += promise_raid.o
+### lib-$(CONFIG_FEATURE_VOLUMEID_HIGHPOINTRAID)    += highpoint.o
+### lib-$(CONFIG_FEATURE_VOLUMEID_ISWRAID)          += isw_raid.o
+### lib-$(CONFIG_FEATURE_VOLUMEID_LSIRAID)          += lsi_raid.o
+### lib-$(CONFIG_FEATURE_VOLUMEID_VIARAID)          += via_raid.o
+### lib-$(CONFIG_FEATURE_VOLUMEID_SILICONRAID)      += silicon_raid.o
+### lib-$(CONFIG_FEATURE_VOLUMEID_NVIDIARAID)       += nvidia_raid.o
+### lib-$(CONFIG_FEATURE_VOLUMEID_PROMISERAID)      += promise_raid.o
 lib-$(CONFIG_FEATURE_VOLUMEID_ISO9660)          += iso9660.o
 lib-$(CONFIG_FEATURE_VOLUMEID_JFS)              += jfs.o
 lib-$(CONFIG_FEATURE_VOLUMEID_LINUXRAID)        += linux_raid.o
 lib-$(CONFIG_FEATURE_VOLUMEID_LINUXSWAP)        += linux_swap.o
-lib-$(CONFIG_FEATURE_VOLUMEID_LVM)              += lvm.o
-### unused
+### lib-$(CONFIG_FEATURE_VOLUMEID_LVM)              += lvm.o
 ### lib-$(CONFIG_FEATURE_VOLUMEID_MAC)              += mac.o
 ### lib-$(CONFIG_FEATURE_VOLUMEID_MSDOS)            += msdos.o
 lib-$(CONFIG_FEATURE_VOLUMEID_NTFS)             += ntfs.o
 lib-$(CONFIG_FEATURE_VOLUMEID_REISERFS)         += reiserfs.o
 lib-$(CONFIG_FEATURE_VOLUMEID_UDF)              += udf.o
-lib-$(CONFIG_FEATURE_VOLUMEID_UFS)              += ufs.o
+### lib-$(CONFIG_FEATURE_VOLUMEID_UFS)              += ufs.o
 lib-$(CONFIG_FEATURE_VOLUMEID_XFS)              += xfs.o
 lib-$(CONFIG_FEATURE_VOLUMEID_CRAMFS)           += cramfs.o
-lib-$(CONFIG_FEATURE_VOLUMEID_HPFS)             += hpfs.o
+### lib-$(CONFIG_FEATURE_VOLUMEID_HPFS)             += hpfs.o
 lib-$(CONFIG_FEATURE_VOLUMEID_ROMFS)            += romfs.o
 lib-$(CONFIG_FEATURE_VOLUMEID_SYSV)             += sysv.o
-lib-$(CONFIG_FEATURE_VOLUMEID_MINIX)            += minix.o
+### lib-$(CONFIG_FEATURE_VOLUMEID_MINIX)            += minix.o
 lib-$(CONFIG_FEATURE_VOLUMEID_LUKS)             += luks.o
 lib-$(CONFIG_FEATURE_VOLUMEID_OCFS2)            += ocfs2.o
diff --git a/util-linux/volume_id/get_devname.c b/util-linux/volume_id/get_devname.c
index bb3043c..b46aad4 100644
--- a/util-linux/volume_id/get_devname.c
+++ b/util-linux/volume_id/get_devname.c
@@ -243,8 +243,8 @@ dev_get_major_minor(char *device_name, int *major, int *minor)
 	colon = strchr(dev, ':');
 	if (!colon)
 		goto ret;
-	*major = strtol(dev, NULL, 10);
-	*minor = strtol(colon + 1, NULL, 10);
+	*major = bb_strtou(dev, NULL, 10);
+	*minor = bb_strtou(colon + 1, NULL, 10);
 
  ret:
 	free(dev_path);
@@ -261,27 +261,28 @@ uuidcache_init_cdroms(void)
 
 	proccd = fopen(PROC_CDROMS, "r");
 	if (!proccd) {
-		static smallint warn = 0;
-		if (!warn) {
-			warn = 1;
-			bb_error_msg("mount: could not open %s, so UUID and LABEL "
-				"conversion cannot be done for CD-Roms.",
-				PROC_CDROMS);
-		}
+//		static smallint warn = 0;
+//		if (!warn) {
+//			warn = 1;
+//			bb_error_msg("can't open %s, UUID and LABEL "
+//				"conversion cannot be done for CD-Roms",
+//				PROC_CDROMS);
+//		}
 		return;
 	}
 
 	while (fgets(line, sizeof(line), proccd)) {
-		static const char drive_name_string[] ALIGN1 = "drive name:\t\t";
+		static const char drive_name_string[] ALIGN1 = "drive name:";
 
 		if (strncmp(line, drive_name_string, sizeof(drive_name_string) - 1) == 0) {
 			char *device_name;
-			device_name = strtok(line + sizeof(drive_name_string) - 1, "\t\n");
-			while (device_name) {
+
+			device_name = strtok(skip_whitespace(line + sizeof(drive_name_string) - 1), " \t\n");
+			while (device_name && device_name[0]) {
 				ma = mi = -1;
 				dev_get_major_minor(device_name, &ma, &mi);
 				uuidcache_check_device(device_name, ma, mi, 1);
-				device_name = strtok(NULL, "\t\n");
+				device_name = strtok(NULL, " \t\n");
 			}
 			break;
 		}
@@ -418,7 +419,8 @@ char *get_devname_from_uuid(const char *spec)
 	uuidcache_init();
 	uc = uuidCache;
 	while (uc) {
-		if (strcmp(spec, uc->uc_uuid) == 0) {
+		/* case of hex numbers doesn't matter */
+		if (strcasecmp(spec, uc->uc_uuid) == 0) {
 			return xstrdup(uc->device);
 		}
 		uc = uc->next;
diff --git a/util-linux/volume_id/ocfs2.c b/util-linux/volume_id/ocfs2.c
index 9fd4565..8bcaac0 100644
--- a/util-linux/volume_id/ocfs2.c
+++ b/util-linux/volume_id/ocfs2.c
@@ -80,7 +80,7 @@ struct ocfs2_super_block {
 	uint8_t		s_uuid[OCFS2_VOL_UUID_LEN];	/* 128-bit uuid */
 } __attribute__((__packed__));
 
-int volume_id_probe_ocfs2(struct volume_id *id, uint64_t		off)
+int volume_id_probe_ocfs2(struct volume_id *id, uint64_t off)
 {
 	struct ocfs2_super_block *os;
 
diff --git a/util-linux/volume_id/highpoint.c b/util-linux/volume_id/unused_highpoint.c
index 57c5cad..57c5cad 100644
--- a/util-linux/volume_id/highpoint.c
+++ b/util-linux/volume_id/unused_highpoint.c
diff --git a/util-linux/volume_id/hpfs.c b/util-linux/volume_id/unused_hpfs.c
index 8b51756..8b51756 100644
--- a/util-linux/volume_id/hpfs.c
+++ b/util-linux/volume_id/unused_hpfs.c
diff --git a/util-linux/volume_id/isw_raid.c b/util-linux/volume_id/unused_isw_raid.c
index d928245..d928245 100644
--- a/util-linux/volume_id/isw_raid.c
+++ b/util-linux/volume_id/unused_isw_raid.c
diff --git a/util-linux/volume_id/lsi_raid.c b/util-linux/volume_id/unused_lsi_raid.c
index 730a313..730a313 100644
--- a/util-linux/volume_id/lsi_raid.c
+++ b/util-linux/volume_id/unused_lsi_raid.c
diff --git a/util-linux/volume_id/lvm.c b/util-linux/volume_id/unused_lvm.c
index f9f9395..caee04b 100644
--- a/util-linux/volume_id/lvm.c
+++ b/util-linux/volume_id/unused_lvm.c
@@ -36,17 +36,14 @@ struct lvm2_super_block {
 
 int volume_id_probe_lvm1(struct volume_id *id, uint64_t off)
 {
-	const uint8_t *buf;
 	struct lvm1_super_block *lvm;
 
 	dbg("probing at offset 0x%llx", (unsigned long long) off);
 
-	buf = volume_id_get_buffer(id, off + LVM1_SB_OFF, 0x800);
-	if (buf == NULL)
+	lvm = volume_id_get_buffer(id, off + LVM1_SB_OFF, 0x800);
+	if (lvm == NULL)
 		return -1;
 
-	lvm = (struct lvm1_super_block *) buf;
-
 	if (lvm->id[0] != 'H' || lvm->id[1] != 'M')
 		return -1;
 
diff --git a/util-linux/volume_id/mac.c b/util-linux/volume_id/unused_mac.c
index 94a99be..8eaa173 100644
--- a/util-linux/volume_id/mac.c
+++ b/util-linux/volume_id/unused_mac.c
@@ -49,17 +49,18 @@ int volume_id_probe_mac_partition_map(struct volume_id *id, uint64_t off)
 		return -1;
 
 	part = (struct mac_partition *) buf;
-	if ((memcmp(part->signature, "PM", 2) == 0) &&
-	    (memcmp(part->type, "Apple_partition_map", 19) == 0)) {
+	if (part->signature[0] == 'P' && part->signature[1] == 'M' /* "PM" */
+	 && (memcmp(part->type, "Apple_partition_map", 19) == 0)
+	) {
 		/* linux creates an own subdevice for the map
 		 * just return the type if the drive header is missing */
-		volume_id_set_usage(id, VOLUME_ID_PARTITIONTABLE);
-		id->type = "mac_partition_map";
+//		volume_id_set_usage(id, VOLUME_ID_PARTITIONTABLE);
+//		id->type = "mac_partition_map";
 		return 0;
 	}
 
 	driver = (struct mac_driver_desc *) buf;
-	if (memcmp(driver->signature, "ER", 2) == 0) {
+	if (driver->signature[0] == 'E' && driver->signature[1] == 'R') { /* "ER" */
 		/* we are on a main device, like a CD
 		 * just try to probe the first partition from the map */
 		unsigned bsize = be16_to_cpu(driver->block_size);
@@ -72,7 +73,7 @@ int volume_id_probe_mac_partition_map(struct volume_id *id, uint64_t off)
 			return -1;
 
 		part = (struct mac_partition *) buf;
-		if (memcmp(part->signature, "PM", 2) != 0)
+		if (part->signature[0] != 'P' || part->signature[1] != 'M') /* not "PM" */
 			return -1;
 
 		part_count = be32_to_cpu(part->map_count);
@@ -80,11 +81,7 @@ int volume_id_probe_mac_partition_map(struct volume_id *id, uint64_t off)
 
 		if (id->partitions != NULL)
 			free(id->partitions);
-		id->partitions =
-			malloc(part_count * sizeof(struct volume_id_partition));
-		if (id->partitions == NULL)
-			return -1;
-		memset(id->partitions, 0x00, sizeof(struct volume_id_partition));
+		id->partitions = xzalloc(part_count * sizeof(struct volume_id_partition));
 
 		id->partition_count = part_count;
 
@@ -97,27 +94,28 @@ int volume_id_probe_mac_partition_map(struct volume_id *id, uint64_t off)
 				return -1;
 
 			part = (struct mac_partition *) buf;
-			if (memcmp(part->signature, "PM", 2) != 0)
+			if (part->signature[0] != 'P' || part->signature[1] != 'M') /* not "PM" */
 				return -1;
 
 			poff = be32_to_cpu(part->start_block) * bsize;
 			plen = be32_to_cpu(part->block_count) * bsize;
 			dbg("found '%s' partition entry at 0x%llx, len 0x%llx",
-			    part->type, (unsigned long long) poff, (unsigned long long) plen);
-
-			id->partitions[i].off = poff;
-			id->partitions[i].len = plen;
-
-			if (memcmp(part->type, "Apple_Free", 10) == 0) {
-				volume_id_set_usage_part(&id->partitions[i], VOLUME_ID_UNUSED);
-			} else if (memcmp(part->type, "Apple_partition_map", 19) == 0) {
-				volume_id_set_usage_part(&id->partitions[i], VOLUME_ID_PARTITIONTABLE);
-			} else {
-				volume_id_set_usage_part(&id->partitions[i], VOLUME_ID_UNPROBED);
-			}
+					part->type, (unsigned long long) poff,
+					(unsigned long long) plen);
+
+//			id->partitions[i].pt_off = poff;
+//			id->partitions[i].pt_len = plen;
+
+//			if (memcmp(part->type, "Apple_Free", 10) == 0) {
+//				volume_id_set_usage_part(&id->partitions[i], VOLUME_ID_UNUSED);
+//			} else if (memcmp(part->type, "Apple_partition_map", 19) == 0) {
+//				volume_id_set_usage_part(&id->partitions[i], VOLUME_ID_PARTITIONTABLE);
+//			} else {
+//				volume_id_set_usage_part(&id->partitions[i], VOLUME_ID_UNPROBED);
+//			}
 		}
-		volume_id_set_usage(id, VOLUME_ID_PARTITIONTABLE);
-		id->type = "mac_partition_map";
+//		volume_id_set_usage(id, VOLUME_ID_PARTITIONTABLE);
+//		id->type = "mac_partition_map";
 		return 0;
 	}
 
diff --git a/util-linux/volume_id/minix.c b/util-linux/volume_id/unused_minix.c
index 2f52093..2f52093 100644
--- a/util-linux/volume_id/minix.c
+++ b/util-linux/volume_id/unused_minix.c
diff --git a/util-linux/volume_id/msdos.c b/util-linux/volume_id/unused_msdos.c
index b4b6711..097ee67 100644
--- a/util-linux/volume_id/msdos.c
+++ b/util-linux/volume_id/unused_msdos.c
@@ -33,7 +33,6 @@ struct msdos_partition_entry {
 	uint32_t	nr_sects;
 } __attribute__((packed));
 
-#define MSDOS_MAGIC			"\x55\xaa"
 #define MSDOS_PARTTABLE_OFFSET		0x1be
 #define MSDOS_SIG_OFF			0x1fe
 #define BSIZE				0x200
@@ -68,7 +67,7 @@ int volume_id_probe_msdos_part_table(struct volume_id *id, uint64_t off)
 	if (buf == NULL)
 		return -1;
 
-	if (memcmp(&buf[MSDOS_SIG_OFF], MSDOS_MAGIC, 2) != 0)
+	if (buf[MSDOS_SIG_OFF] != 0x55 || buf[MSDOS_SIG_OFF + 1] != 0xaa)
 		return -1;
 
 	/* check flags on all entries for a valid partition table */
@@ -86,12 +85,8 @@ int volume_id_probe_msdos_part_table(struct volume_id *id, uint64_t off)
 
 	if (id->partitions != NULL)
 		free(id->partitions);
-	id->partitions = malloc(VOLUME_ID_PARTITIONS_MAX *
+	id->partitions = xzalloc(VOLUME_ID_PARTITIONS_MAX *
 				sizeof(struct volume_id_partition));
-	if (id->partitions == NULL)
-		return -1;
-	memset(id->partitions, 0x00,
-	       VOLUME_ID_PARTITIONS_MAX * sizeof(struct volume_id_partition));
 
 	for (i = 0; i < 4; i++) {
 		poff = (uint64_t) le32_to_cpu(part[i].start_sect) * BSIZE;
@@ -102,26 +97,26 @@ int volume_id_probe_msdos_part_table(struct volume_id *id, uint64_t off)
 
 		p = &id->partitions[i];
 
-		p->partition_type_raw = part[i].sys_ind;
+//		p->pt_type_raw = part[i].sys_ind;
 
 		if (is_extended(part[i].sys_ind)) {
 			dbg("found extended partition at 0x%llx", (unsigned long long) poff);
-			volume_id_set_usage_part(p, VOLUME_ID_PARTITIONTABLE);
-			p->type = "msdos_extended_partition";
+//			volume_id_set_usage_part(p, VOLUME_ID_PARTITIONTABLE);
+//			p->type = "msdos_extended_partition";
 			if (extended == 0)
 				extended = off + poff;
 		} else {
 			dbg("found 0x%x data partition at 0x%llx, len 0x%llx",
 			    part[i].sys_ind, (unsigned long long) poff, (unsigned long long) plen);
 
-			if (is_raid(part[i].sys_ind))
-				volume_id_set_usage_part(p, VOLUME_ID_RAID);
-			else
-				volume_id_set_usage_part(p, VOLUME_ID_UNPROBED);
+//			if (is_raid(part[i].sys_ind))
+//				volume_id_set_usage_part(p, VOLUME_ID_RAID);
+//			else
+//				volume_id_set_usage_part(p, VOLUME_ID_UNPROBED);
 		}
 
-		p->off = off + poff;
-		p->len = plen;
+//		p->pt_off = off + poff;
+//		p->pt_len = plen;
 		id->partition_count = i+1;
 	}
 
@@ -142,7 +137,7 @@ int volume_id_probe_msdos_part_table(struct volume_id *id, uint64_t off)
 
 		part = (struct msdos_partition_entry*) &buf[MSDOS_PARTTABLE_OFFSET];
 
-		if (memcmp(&buf[MSDOS_SIG_OFF], MSDOS_MAGIC, 2) != 0)
+		if (buf[MSDOS_SIG_OFF] != 0x55 || buf[MSDOS_SIG_OFF + 1] != 0xaa)
 			break;
 
 		next = 0;
@@ -163,21 +158,23 @@ int volume_id_probe_msdos_part_table(struct volume_id *id, uint64_t off)
 					part[i].sys_ind, (unsigned long long) poff, (unsigned long long) plen);
 
 				/* we always start at the 5th entry */
-				while (id->partition_count < 4)
-					volume_id_set_usage_part(&id->partitions[id->partition_count++], VOLUME_ID_UNUSED);
+//				while (id->partition_count < 4)
+//					volume_id_set_usage_part(&id->partitions[id->partition_count++], VOLUME_ID_UNUSED);
+				if (id->partition_count < 4)
+					id->partition_count = 4;
 
 				p = &id->partitions[id->partition_count];
 
-				if (is_raid(part[i].sys_ind))
-					volume_id_set_usage_part(p, VOLUME_ID_RAID);
-				else
-					volume_id_set_usage_part(p, VOLUME_ID_UNPROBED);
+//				if (is_raid(part[i].sys_ind))
+//					volume_id_set_usage_part(p, VOLUME_ID_RAID);
+//				else
+//					volume_id_set_usage_part(p, VOLUME_ID_UNPROBED);
 
-				p->off = current + poff;
-				p->len = plen;
+//				p->pt_off = current + poff;
+//				p->pt_len = plen;
 				id->partition_count++;
 
-				p->partition_type_raw = part[i].sys_ind;
+//				p->pt_type_raw = part[i].sys_ind;
 
 				if (id->partition_count >= VOLUME_ID_PARTITIONS_MAX) {
 					dbg("too many partitions");
@@ -189,8 +186,8 @@ int volume_id_probe_msdos_part_table(struct volume_id *id, uint64_t off)
 		current = next;
 	}
 
-	volume_id_set_usage(id, VOLUME_ID_PARTITIONTABLE);
-	id->type = "msdos_partition_table";
+//	volume_id_set_usage(id, VOLUME_ID_PARTITIONTABLE);
+//	id->type = "msdos_partition_table";
 
 	return 0;
 }
diff --git a/util-linux/volume_id/nvidia_raid.c b/util-linux/volume_id/unused_nvidia_raid.c
index 692aad1..692aad1 100644
--- a/util-linux/volume_id/nvidia_raid.c
+++ b/util-linux/volume_id/unused_nvidia_raid.c
diff --git a/util-linux/volume_id/promise_raid.c b/util-linux/volume_id/unused_promise_raid.c
index 75c6f89..75c6f89 100644
--- a/util-linux/volume_id/promise_raid.c
+++ b/util-linux/volume_id/unused_promise_raid.c
diff --git a/util-linux/volume_id/silicon_raid.c b/util-linux/volume_id/unused_silicon_raid.c
index 5143112..5143112 100644
--- a/util-linux/volume_id/silicon_raid.c
+++ b/util-linux/volume_id/unused_silicon_raid.c
diff --git a/util-linux/volume_id/ufs.c b/util-linux/volume_id/unused_ufs.c
index ba76876..ba76876 100644
--- a/util-linux/volume_id/ufs.c
+++ b/util-linux/volume_id/unused_ufs.c
diff --git a/util-linux/volume_id/via_raid.c b/util-linux/volume_id/unused_via_raid.c
index a3e94e0..4332946 100644
--- a/util-linux/volume_id/via_raid.c
+++ b/util-linux/volume_id/unused_via_raid.c
@@ -53,7 +53,7 @@ int volume_id_probe_via_raid(struct volume_id *id, uint64_t off, uint64_t size)
 	if (via == NULL)
 		return -1;
 
-	if (via->signature !=  cpu_to_le16(VIA_SIGNATURE))
+	if (via->signature != cpu_to_le16(VIA_SIGNATURE))
 		return -1;
 
 	if (via->version_number > 1)
diff --git a/util-linux/volume_id/volume_id.c b/util-linux/volume_id/volume_id.c
index a26e2bc..de9aae2 100644
--- a/util-linux/volume_id/volume_id.c
+++ b/util-linux/volume_id/volume_id.c
@@ -20,6 +20,31 @@
 
 #include "volume_id_internal.h"
 
+
+/* Some detection routines do not set label or uuid anyway,
+ * so they are disabled. */
+
+/* Looks for partitions, we don't use it: */
+#define ENABLE_FEATURE_VOLUMEID_MAC           0
+/* #define ENABLE_FEATURE_VOLUMEID_MSDOS      0 - NB: this one
+ * was not properly added to probe table anyway - ??! */
+
+/* None of RAIDs have label or uuid, except LinuxRAID: */
+#define ENABLE_FEATURE_VOLUMEID_HIGHPOINTRAID 0
+#define ENABLE_FEATURE_VOLUMEID_ISWRAID       0
+#define ENABLE_FEATURE_VOLUMEID_LSIRAID       0
+#define ENABLE_FEATURE_VOLUMEID_LVM           0
+#define ENABLE_FEATURE_VOLUMEID_NVIDIARAID    0
+#define ENABLE_FEATURE_VOLUMEID_PROMISERAID   0
+#define ENABLE_FEATURE_VOLUMEID_SILICONRAID   0
+#define ENABLE_FEATURE_VOLUMEID_VIARAID       0
+
+/* These filesystems also have no label or uuid: */
+#define ENABLE_FEATURE_VOLUMEID_MINIX         0
+#define ENABLE_FEATURE_VOLUMEID_HPFS          0
+#define ENABLE_FEATURE_VOLUMEID_UFS           0
+
+
 typedef int (*raid_probe_fptr)(struct volume_id *id, uint64_t off, uint64_t size);
 typedef int (*probe_fptr)(struct volume_id *id, uint64_t off);
 
@@ -68,10 +93,9 @@ static const probe_fptr fs1[] = {
 #if ENABLE_FEATURE_VOLUMEID_FAT
 	volume_id_probe_vfat,
 #endif
-// This one only looks for partitions, we don't use it
-//#if ENABLE_FEATURE_VOLUMEID_MAC
-//	volume_id_probe_mac_partition_map,
-//#endif
+#if ENABLE_FEATURE_VOLUMEID_MAC
+	volume_id_probe_mac_partition_map,
+#endif
 #if ENABLE_FEATURE_VOLUMEID_XFS
 	volume_id_probe_xfs,
 #endif
diff --git a/util-linux/volume_id/volume_id_internal.h b/util-linux/volume_id/volume_id_internal.h
index 8c7ca03..78b4a7b 100644
--- a/util-linux/volume_id/volume_id_internal.h
+++ b/util-linux/volume_id/volume_id_internal.h
@@ -163,25 +163,25 @@ void volume_id_free_buffer(struct volume_id *id);
 
 /* RAID */
 
-int volume_id_probe_highpoint_37x_raid(struct volume_id *id, uint64_t off);
-int volume_id_probe_highpoint_45x_raid(struct volume_id *id, uint64_t off, uint64_t size);
+//int volume_id_probe_highpoint_37x_raid(struct volume_id *id, uint64_t off);
+//int volume_id_probe_highpoint_45x_raid(struct volume_id *id, uint64_t off, uint64_t size);
 
-int volume_id_probe_intel_software_raid(struct volume_id *id, uint64_t off, uint64_t size);
+//int volume_id_probe_intel_software_raid(struct volume_id *id, uint64_t off, uint64_t size);
 
 int volume_id_probe_linux_raid(struct volume_id *id, uint64_t off, uint64_t size);
 
-int volume_id_probe_lsi_mega_raid(struct volume_id *id, uint64_t off, uint64_t size);
+//int volume_id_probe_lsi_mega_raid(struct volume_id *id, uint64_t off, uint64_t size);
 
-int volume_id_probe_nvidia_raid(struct volume_id *id, uint64_t off, uint64_t size);
+//int volume_id_probe_nvidia_raid(struct volume_id *id, uint64_t off, uint64_t size);
 
-int volume_id_probe_promise_fasttrack_raid(struct volume_id *id, uint64_t off, uint64_t size);
+//int volume_id_probe_promise_fasttrack_raid(struct volume_id *id, uint64_t off, uint64_t size);
 
-int volume_id_probe_silicon_medley_raid(struct volume_id *id, uint64_t off, uint64_t size);
+//int volume_id_probe_silicon_medley_raid(struct volume_id *id, uint64_t off, uint64_t size);
 
-int volume_id_probe_via_raid(struct volume_id *id, uint64_t off, uint64_t size);
+//int volume_id_probe_via_raid(struct volume_id *id, uint64_t off, uint64_t size);
 
-int volume_id_probe_lvm1(struct volume_id *id, uint64_t off);
-int volume_id_probe_lvm2(struct volume_id *id, uint64_t off);
+//int volume_id_probe_lvm1(struct volume_id *id, uint64_t off);
+//int volume_id_probe_lvm2(struct volume_id *id, uint64_t off);
 
 /* FS */
 
@@ -193,7 +193,7 @@ int volume_id_probe_vfat(struct volume_id *id, uint64_t off);
 
 int volume_id_probe_hfs_hfsplus(struct volume_id *id, uint64_t off);
 
-int volume_id_probe_hpfs(struct volume_id *id, uint64_t off);
+//int volume_id_probe_hpfs(struct volume_id *id, uint64_t off);
 
 int volume_id_probe_iso9660(struct volume_id *id, uint64_t off);
 
@@ -205,7 +205,7 @@ int volume_id_probe_luks(struct volume_id *id, uint64_t off);
 
 //int volume_id_probe_mac_partition_map(struct volume_id *id, uint64_t off);
 
-int volume_id_probe_minix(struct volume_id *id, uint64_t off);
+//int volume_id_probe_minix(struct volume_id *id, uint64_t off);
 
 //int volume_id_probe_msdos_part_table(struct volume_id *id, uint64_t off);
 
@@ -221,6 +221,6 @@ int volume_id_probe_sysv(struct volume_id *id, uint64_t off);
 
 int volume_id_probe_udf(struct volume_id *id, uint64_t off);
 
-int volume_id_probe_ufs(struct volume_id *id, uint64_t off);
+//int volume_id_probe_ufs(struct volume_id *id, uint64_t off);
 
 int volume_id_probe_xfs(struct volume_id *id, uint64_t off);