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authorDavid Oberhollenzer <david.oberhollenzer@sigma-star.at>2019-08-05 23:10:03 +0200
committerDavid Oberhollenzer <david.oberhollenzer@sigma-star.at>2019-08-05 23:13:00 +0200
commitd2939161c783c8394ac995d44995fb028731ac28 (patch)
tree726b9a52768b4e9e38bf7c2c78dbb28918fcc88c /include/squashfs.h
parent88f75857702bcc6a2a423570912140c125ec518a (diff)
cleanup data reader
- Split block reading code out from "dump_blocks" into precache_data_block, similar to precache_fragment_block - Merge the code paths for fragment/data block reading and uncompression Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
Diffstat (limited to 'include/squashfs.h')
-rw-r--r--include/squashfs.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/squashfs.h b/include/squashfs.h
index fb60049..eb35fdd 100644
--- a/include/squashfs.h
+++ b/include/squashfs.h
@@ -21,6 +21,10 @@
#define SQFS_DEVBLK_SIZE 4096
#define SQFS_MAX_DIR_ENT 256
+#define SQFS_IS_BLOCK_COMPRESSED(size) (((size) & (1 << 24)) == 0)
+#define SQFS_ON_DISK_BLOCK_SIZE(size) ((size) & ((1 << 24) - 1))
+#define SQFS_IS_SPARSE_BLOCK(size) (SQFS_ON_DISK_BLOCK_SIZE(size) == 0)
+
typedef struct {
uint32_t magic;
uint32_t inode_count;