X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=util-linux%2Fvolume_id%2Funused_minix.c;fp=util-linux%2Fvolume_id%2Funused_minix.c;h=2f5209333ad981409d67b8b159f72b25346830fe;hb=d25c33f186c7cf3618c34ce79af94fe156f9ab02;hp=0000000000000000000000000000000000000000;hpb=c5b737231debe51edb769a0b5667ee9719e560e0;p=oweals%2Fbusybox.git diff --git a/util-linux/volume_id/unused_minix.c b/util-linux/volume_id/unused_minix.c new file mode 100644 index 000000000..2f5209333 --- /dev/null +++ b/util-linux/volume_id/unused_minix.c @@ -0,0 +1,75 @@ +/* + * volume_id - reads filesystem label and uuid + * + * Copyright (C) 2005 Kay Sievers + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#include "volume_id_internal.h" + +struct minix_super_block { + uint16_t s_ninodes; + uint16_t s_nzones; + uint16_t s_imap_blocks; + uint16_t s_zmap_blocks; + uint16_t s_firstdatazone; + uint16_t s_log_zone_size; + uint32_t s_max_size; + uint16_t s_magic; + uint16_t s_state; + uint32_t s_zones; +} __attribute__((__packed__)); + +#define MINIX_SUPERBLOCK_OFFSET 0x400 + +int volume_id_probe_minix(struct volume_id *id, uint64_t off) +{ + struct minix_super_block *ms; + + dbg("probing at offset 0x%llx", (unsigned long long) off); + + ms = volume_id_get_buffer(id, off + MINIX_SUPERBLOCK_OFFSET, 0x200); + if (ms == NULL) + return -1; + + if (ms->s_magic == cpu_to_le16(0x137f)) { +// id->type_version[0] = '1'; + goto found; + } + + if (ms->s_magic == cpu_to_le16(0x1387)) { +// id->type_version[0] = '1'; + goto found; + } + + if (ms->s_magic == cpu_to_le16(0x2468)) { +// id->type_version[0] = '2'; + goto found; + } + + if (ms->s_magic == cpu_to_le16(0x2478)) { +// id->type_version[0] = '2'; + goto found; + } + + return -1; + + found: +// id->type_version[1] = '\0'; +// volume_id_set_usage(id, VOLUME_ID_FILESYSTEM); +// id->type = "minix"; + return 0; +}