diff options
Diffstat (limited to 'libblkid/sysv.c')
| -rw-r--r-- | libblkid/sysv.c | 154 |
1 files changed, 0 insertions, 154 deletions
diff --git a/libblkid/sysv.c b/libblkid/sysv.c deleted file mode 100644 index 80b0cc542..000000000 --- a/libblkid/sysv.c +++ /dev/null @@ -1,154 +0,0 @@ -/* - * Copyright (C) 2008 Karel Zak <kzak@redhat.com> - * - * This is written from sratch according to Linux kernel fs/sysv/super.c file. - * It seems that sysv probing code in libvolume_id and also in the original - * blkid is useless. - * - * This file may be redistributed under the terms of the - * GNU Lesser General Public License. - */ -#include <stdio.h> -#include <stdlib.h> -#include <unistd.h> -#include <stdint.h> -#include <stddef.h> - -#include "superblocks.h" - -#define XENIX_NICINOD 100 -#define XENIX_NICFREE 100 - -struct xenix_super_block { - uint16_t s_isize; - uint32_t s_fsize; - uint16_t s_nfree; - uint32_t s_free[XENIX_NICFREE]; - uint16_t s_ninode; - uint16_t s_inode[XENIX_NICINOD]; - uint8_t s_flock; - uint8_t s_ilock; - uint8_t s_fmod; - uint8_t s_ronly; - uint32_t s_time; - uint32_t s_tfree; - uint16_t s_tinode; - uint16_t s_dinfo[4]; - uint8_t s_fname[6]; - uint8_t s_fpack[6]; - uint8_t s_clean; - uint8_t s_fill[371]; - uint32_t s_magic; - uint32_t s_type; -} __attribute__((packed)); - - -#define SYSV_NICINOD 100 -#define SYSV_NICFREE 50 - -struct sysv_super_block -{ - uint16_t s_isize; - uint16_t s_pad0; - uint32_t s_fsize; - uint16_t s_nfree; - uint16_t s_pad1; - uint32_t s_free[SYSV_NICFREE]; - uint16_t s_ninode; - uint16_t s_pad2; - uint16_t s_inode[SYSV_NICINOD]; - uint8_t s_flock; - uint8_t s_ilock; - uint8_t s_fmod; - uint8_t s_ronly; - uint32_t s_time; - uint16_t s_dinfo[4]; - uint32_t s_tfree; - uint16_t s_tinode; - uint16_t s_pad3; - uint8_t s_fname[6]; - uint8_t s_fpack[6]; - uint32_t s_fill[12]; - uint32_t s_state; - uint32_t s_magic; - uint32_t s_type; -}; - -static int probe_xenix(blkid_probe pr, const struct blkid_idmag *mag) -{ - struct xenix_super_block *sb; - - sb = blkid_probe_get_sb(pr, mag, struct xenix_super_block); - if (!sb) - return -1; - blkid_probe_set_label(pr, sb->s_fname, sizeof(sb->s_fname)); - return 0; -} - -#define SYSV_BLOCK_SIZE 1024 - -/* Note that we don't probe for Coherent FS, this FS does not have - * magic string. (It requires to probe fname/fpack field..) - */ -static int probe_sysv(blkid_probe pr, - const struct blkid_idmag *mag __attribute__((__unused__))) -{ - struct sysv_super_block *sb; - int blocks[] = {0, 9, 15, 18}; - size_t i; - - for (i = 0; i < ARRAY_SIZE(blocks); i++) { - int off = blocks[i] * SYSV_BLOCK_SIZE + SYSV_BLOCK_SIZE/2; - - sb = (struct sysv_super_block *) - blkid_probe_get_buffer(pr, - off, - sizeof(struct sysv_super_block)); - if (!sb) - return -1; - - if (sb->s_magic == cpu_to_le32(0xfd187e20) || - sb->s_magic == cpu_to_be32(0xfd187e20)) { - - if (blkid_probe_set_label(pr, sb->s_fname, - sizeof(sb->s_fname))) - return -1; - - if (blkid_probe_set_magic(pr, - off + offsetof(struct sysv_super_block, - s_magic), - sizeof(sb->s_magic), - (unsigned char *) &sb->s_magic)) - return -1; - - return 0; - } - } - return 1; -} - -const struct blkid_idinfo xenix_idinfo = -{ - .name = "xenix", - .usage = BLKID_USAGE_FILESYSTEM, - .probefunc = probe_xenix, - .magics = - { - { .magic = "\x2b\x55\x44", .len = 3, .kboff = 1, .sboff = 0x400 }, - { .magic = "\x44\x55\x2b", .len = 3, .kboff = 1, .sboff = 0x400 }, - { NULL } - } -}; - -const struct blkid_idinfo sysv_idinfo = -{ - .name = "sysv", - .usage = BLKID_USAGE_FILESYSTEM, - .probefunc = probe_sysv, - - /* SYSV is BE and LE and superblock could be on four positions. It's - * simpler to probe for the magic string by .probefunc(). - */ - .magics = BLKID_NONE_MAGIC -}; - |