forgot to svn add util-linux/minix.h :(

2 files changed, 77 insertions, 1 deletions

diff --git a/util-linux/fsck_minix.c b/util-linux/fsck_minix.c
index 2d5562e87..de04a8003 100644
--- a/util-linux/fsck_minix.c
+++ b/util-linux/fsck_minix.c
@@ -176,7 +176,7 @@ static unsigned char *zone_count;
 
 static int bit(char *a, unsigned i)
 {
-          return (a[i >> 3] & (1<<(i & 7))) != 0;
+        return (a[i >> 3] & (1<<(i & 7))) != 0;
 }
 
 #define inode_in_use(x) (bit(inode_map,(x)))
diff --git a/util-linux/minix.h b/util-linux/minix.h
new file mode 100644
index 000000000..476f32735
--- /dev/null
+++ b/util-linux/minix.h
@@ -0,0 +1,76 @@
+/*
+ * This is the original minix inode layout on disk.
+ * Note the 8-bit gid and atime and ctime.
+ */
+struct minix1_inode {
+        uint16_t i_mode;
+        uint16_t i_uid;
+        uint32_t i_size;
+        uint32_t i_time;
+        uint8_t  i_gid;
+        uint8_t  i_nlinks;
+        uint16_t i_zone[9];
+};
+
+/*
+ * The new minix inode has all the time entries, as well as
+ * long block numbers and a third indirect block (7+1+1+1
+ * instead of 7+1+1). Also, some previously 8-bit values are
+ * now 16-bit. The inode is now 64 bytes instead of 32.
+ */
+struct minix2_inode {
+        uint16_t i_mode;
+        uint16_t i_nlinks;
+        uint16_t i_uid;
+        uint16_t i_gid;
+        uint32_t i_size;
+        uint32_t i_atime;
+        uint32_t i_mtime;
+        uint32_t i_ctime;
+        uint32_t i_zone[10];
+};
+
+/*
+ * minix super-block data on disk
+ */
+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;
+};
+
+struct minix_dir_entry {
+        uint16_t inode;
+        char name[0];
+};
+
+/* Believe it or not, but mount.h has this one #defined */
+#undef BLOCK_SIZE
+
+enum {
+        BLOCK_SIZE              = 1024,
+        BITS_PER_BLOCK          = BLOCK_SIZE << 3,
+
+        MINIX_ROOT_INO          = 1,
+        MINIX_BAD_INO           = 2,
+
+        MINIX1_SUPER_MAGIC      = 0x137F,       /* original minix fs */
+        MINIX1_SUPER_MAGIC2     = 0x138F,       /* minix fs, 30 char names */
+        MINIX2_SUPER_MAGIC      = 0x2468,       /* minix V2 fs */
+        MINIX2_SUPER_MAGIC2     = 0x2478,       /* minix V2 fs, 30 char names */
+        MINIX_VALID_FS          = 0x0001,       /* clean fs */
+        MINIX_ERROR_FS          = 0x0002,       /* fs has errors */
+
+        INODE_SIZE1             = sizeof(struct minix1_inode),
+        INODE_SIZE2             = sizeof(struct minix2_inode),
+        MINIX1_INODES_PER_BLOCK = BLOCK_SIZE / sizeof(struct minix1_inode),
+        MINIX2_INODES_PER_BLOCK = BLOCK_SIZE / sizeof(struct minix2_inode),
+};
+