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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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Report an error number from the implementations, change the users to
forward that error number (which also means libtar write header/link
now returns an error code) and all subsequent binaries to use
sqfs_perror() instead of relying on the function to print an error
internally.
Also, make sure to preserve errno/GetLastError() in the implementations
and print out a stringified error in sqfs_perror() if the error code
indicates an I/O error.
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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Having a function to interpret the flags and open a native file handle
simplifies the istream/ostream/file code which shares that decoding
part, particularly on windows where the character set needs to be
transformed.
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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For now, only the interfaces and helper functions are moved, the
concrete implementations remain in libio.
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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istream_t becomes sqfs_istream_t and ostream_t becomes sqfs_ostream_t
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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For the backends, this simplifies the code as both paths (open file
and open stdio) use the same basic code. Even when merging them only
in the backend, it would be done in a similar way. Making the
functions public allows other uses as well.
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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- Reorder dependencies for tar2sqfs
- Fix istream_t implementation issue
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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Instead, make the buffer const, let the user adjust the pointer and
size. The offset can then be inferred in precache.
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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The end goal is to remove direct buffer access from the istream_t
interfaces and make that opaque. For the tar implementation, this
already safes us needless buffer copying, as we essentially allow
the user to read-through from the underlying stream.
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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