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This only exists for tar2sqfs. Move the sparse file map to libtar
and add the ability to do this into the stind sqfs_file_t abstraction,
so it acts like a normal file but internally stitches the data
together from the sparse implementation.
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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Since they are read directly into memory, blindly allocating the size
from the tar ball is probably a bad idea.
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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This commit removes all the code for parsing and processing atime/ctime
and values and related test code.
Caring about those is kind of pointless because squashfs can only store
mtime in inodes. The only relevant place is when generating a struct
stat from a squashfs inode or an fstree node.
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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Requires that config.h be included before other headers, since the macro
_FILE_OFFSET_BITS changes the definitions of things like 'struct stat'.
I chose to simply include it at the top of every C file and at
immediately after the double-inclusion guards of every header.
Signed-off-by: Matt Turner <mattst88@gmail.com>
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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Some experiments seem to indicate that the various GNU extensions are
more widely supported than their POSIX equivalents[1]. Possibly because
they are easier to implement and possibly because of the wide spread
use of GNU tar.
This commit replaces the PAX writer in the write_tar_header implementation
with a GNU extension based writer.
The writer is also cleaned up by removing all global state. The record
counter is moved outside into the tar2sqfs program and passed in as
function argument.
[1] https://dev.gentoo.org/~mgorny/articles/portability-of-tar-features.html
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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This commit attempts to split some of the monolitic tar parsing code up
into multiple functions in seperate files. Also, some code duplication
(like reading a record into memory which was implemented twice) is
removed.
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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