diff options
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/cbfs/cbfs.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/fs/cbfs/cbfs.c b/fs/cbfs/cbfs.c index 9e534d15f2..443a148e3f 100644 --- a/fs/cbfs/cbfs.c +++ b/fs/cbfs/cbfs.c @@ -91,6 +91,7 @@ static int fill_node(struct cbfs_cachenode *node, void *start, struct cbfs_fileheader *header) { uint name_len; + uint offset; /* Check the header is large enough */ if (header->offset < sizeof(struct cbfs_fileheader)) @@ -104,6 +105,27 @@ static int fill_node(struct cbfs_cachenode *node, void *start, node->name = start + sizeof(struct cbfs_fileheader); node->name_length = name_len; node->attr_offset = header->attributes_offset; + node->comp_algo = CBFS_COMPRESS_NONE; + node->decomp_size = 0; + + for (offset = node->attr_offset; offset < header->offset;) { + const struct cbfs_file_attribute *attr; + uint tag, len; + + attr = start + offset; + tag = be32_to_cpu(attr->tag); + len = be32_to_cpu(attr->len); + if (tag == CBFS_FILE_ATTR_TAG_COMPRESSION) { + struct cbfs_file_attr_compression *comp; + + comp = start + offset; + node->comp_algo = be32_to_cpu(comp->compression); + node->decomp_size = + be32_to_cpu(comp->decompressed_size); + } + + offset += len; + } return 0; } |