volude_id: remove unused fields and functions which were setting them

function                                             old     new   delta
uuidcache_init                                       567     704    +137
findfs_main                                            -     125    +125
packed_usage                                       23662   23694     +32
static.drive_name_string                               -      14     +14
applet_names                                        1815    1822      +7
applet_main                                         1104    1108      +4
volume_id_open_node                                   35      38      +3
applet_nameofs                                       552     554      +2
get_devname_from_label                                78      79      +1
applet_install_loc                                   138     139      +1
volume_id_set_label_unicode16                         31      27      -4
volume_id_set_label_string                            74      70      -4
get_devname_from_uuid                                 63      59      -4
fs1                                                   12       8      -4
volume_id_set_unicode16                              209     202      -7
volume_id_free_buffer                                 71      56     -15
free_volume_id                                        52      37     -15
volume_id_probe_luks                                  97      79     -18
volume_id_set_usage_part                              21       -     -21
volume_id_probe_ufs                                  148     126     -22
volume_id_probe_lsi_mega_raid                        131     108     -23
volume_id_probe_highpoint_45x_raid                   127     104     -23
volume_id_probe_highpoint_37x_raid                    87      63     -24
volume_id_set_usage                                   28       -     -28
volume_id_probe_romfs                                121      93     -28
volume_id_set_label_raw                               30       -     -30
volume_id_probe_promise_fasttrack_raid               174     144     -30
volume_id_set_uuid                                   373     342     -31
volume_id_probe_xfs                                  122      91     -31
volume_id_probe_jfs                                  138     107     -31
volume_id_probe_ocfs2                                139     107     -32
volume_id_probe_lvm1                                  90      58     -32
volume_id_probe_cramfs                               106      63     -43
volume_id_probe_via_raid                             145     101     -44
volume_id_probe_intel_software_raid                  153     108     -45
volume_id_probe_minix                                121      74     -47
volume_id_probe_udf                                  682     632     -50
volume_id_probe_nvidia_raid                          158     108     -50
volume_id_probe_lvm2                                 128      78     -50
volume_id_probe_hpfs                                 117      67     -50
volume_id_probe_ext                                  143      93     -50
volume_id_probe_linux_raid                           191     139     -52
volume_id_probe_sysv                                 244     187     -57
volume_id_probe_silicon_medley_raid                  158      97     -61
usage_to_string                                       64       -     -64
volume_id_probe_linux_swap                           263     198     -65
volume_id_get_buffer                                 372     307     -65
volume_id_probe_iso9660                              412     332     -80
volume_id_probe_hfs_hfsplus                          888     806     -82
volume_id_probe_ntfs                                 396     294    -102
volume_id_probe_vfat                                 980     872    -108
volume_id_probe_reiserfs                             417     268    -149
dev_get_major_minor                                  175       -    -175
uuidcache_check_device                               692     499    -193
volume_id_probe_mac_partition_map                    697       -    -697
------------------------------------------------------------------------------
(add/remove: 2/6 grow/shrink: 8/39 up/down: 326/-2836)      Total: -2510 bytes
   text    data     bss     dec     hex filename
 797220     662    7420  805302   c49b6 busybox_old
 794244     662    7420  802326   c3e16 busybox_unstripped

1 files changed, 7 insertions, 8 deletions

diff --git a/util-linux/volume_id/hfs.c b/util-linux/volume_id/hfs.c
index 71a3df0b8..a7667f725 100644
--- a/util-linux/volume_id/hfs.c
+++ b/util-linux/volume_id/hfs.c
@@ -167,7 +167,7 @@ int volume_id_probe_hfs_hfsplus(struct volume_id *id, uint64_t off)
                 goto checkplus;
 
         /* it may be just a hfs wrapper for hfs+ */
-        if (memcmp(hfs->embed_sig, "H+", 2) == 0) {
+        if (hfs->embed_sig[0] == 'H' && hfs->embed_sig[1] == '+') {
                 alloc_block_size = be32_to_cpu(hfs->al_blk_size);
                 dbg("alloc_block_size 0x%x", alloc_block_size);
 
@@ -188,14 +188,13 @@ int volume_id_probe_hfs_hfsplus(struct volume_id *id, uint64_t off)
         }
 
         if (hfs->label_len > 0 && hfs->label_len < 28) {
-                volume_id_set_label_raw(id, hfs->label, hfs->label_len);
+//              volume_id_set_label_raw(id, hfs->label, hfs->label_len);
                 volume_id_set_label_string(id, hfs->label, hfs->label_len) ;
         }
 
         volume_id_set_uuid(id, hfs->finder_info.id, UUID_HFS);
-
-        volume_id_set_usage(id, VOLUME_ID_FILESYSTEM);
-        id->type = "hfs";
+//      volume_id_set_usage(id, VOLUME_ID_FILESYSTEM);
+//      id->type = "hfs";
 
         return 0;
 
@@ -281,12 +280,12 @@ int volume_id_probe_hfs_hfsplus(struct volume_id *id, uint64_t off)
 
         label_len = be16_to_cpu(key->unicode_len) * 2;
         dbg("label unicode16 len %i", label_len);
-        volume_id_set_label_raw(id, key->unicode, label_len);
+//      volume_id_set_label_raw(id, key->unicode, label_len);
         volume_id_set_label_unicode16(id, key->unicode, BE, label_len);
 
  found:
-        volume_id_set_usage(id, VOLUME_ID_FILESYSTEM);
-        id->type = "hfsplus";
+//      volume_id_set_usage(id, VOLUME_ID_FILESYSTEM);
+//      id->type = "hfsplus";
 
         return 0;
 }