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Diffstat (limited to 'util-linux/volume_id/unused_minix.c')
-rw-r--r--util-linux/volume_id/unused_minix.c75
1 files changed, 75 insertions, 0 deletions
diff --git a/util-linux/volume_id/unused_minix.c b/util-linux/volume_id/unused_minix.c
new file mode 100644
index 0000000..2f52093
--- /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 <kay.sievers@vrfy.org>
+ *
+ * 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;
+}