diff options
Diffstat (limited to 'import-layers/yocto-poky/scripts/lib/wic/filemap.py')
| -rw-r--r-- | import-layers/yocto-poky/scripts/lib/wic/filemap.py | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/import-layers/yocto-poky/scripts/lib/wic/filemap.py b/import-layers/yocto-poky/scripts/lib/wic/filemap.py index 162603ed0..1f1aacc52 100644 --- a/import-layers/yocto-poky/scripts/lib/wic/filemap.py +++ b/import-layers/yocto-poky/scripts/lib/wic/filemap.py @@ -530,13 +530,16 @@ def filemap(image, log=None): except ErrorNotSupp: return FilemapSeek(image, log) -def sparse_copy(src_fname, dst_fname, offset=0, skip=0): +def sparse_copy(src_fname, dst_fname, offset=0, skip=0, api=None): """Efficiently copy sparse file to or into another file.""" - fmap = filemap(src_fname) + if not api: + api = filemap + fmap = api(src_fname) try: dst_file = open(dst_fname, 'r+b') except IOError: dst_file = open(dst_fname, 'wb') + dst_file.truncate(os.path.getsize(src_fname)) for first, last in fmap.get_mapped_ranges(0, fmap.blocks_cnt): start = first * fmap.block_size |