Age | Commit message (Collapse) | Author |
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By adding additional close/duplicate primitives, the remaining, mostly
identical istream/ostream/file code is mostly identical between Windows
and Unix and be merged, mostly without stitches.
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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On Unix like OSes, this saves/restores errno, on Windows both errno
and GetLastError state are saved/restored.
This should make it simpler to preserve that across function calls.
Additionally, while tracking down uses of GetLastError, some places
where the error code was printed out directly where replaced with
instances of w32_perror.
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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- The ostream creation functions already have flag arguments,
but make them an sqfs_u32 instead of int.
- Add flag arguments to the istream functions, sanitzie and forward
them when opening the handle.
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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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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Similar to the sqfs_istream_t & sqfs_ostream_t interfaces.
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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Instead of a separate append-sparse function, simply accept NULL
as an input for append. For both Unix and Win32, a fallback needs
to be implemented. For XFRM, we can just memset the input buffer
to zero, same for the libsquashfs data writer.
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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The common pattern is used in rdsquashfs and sqfs2tar, move the code
to libsquashfs.
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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The structure and functions are renamed to sqfs_xattr_* instead,
an additional helper is added to accept an encoded xattr.
Documentation and unit test are added as well.
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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The idea of the block align feature was to allow micro-managing that
some files are forcefully aligned to 1k/4k ("device block") boundaries,
hoping to improve access time at the cost of data density. The feature
was not exposed in the tools for a long time and eventuall added to the
sort file. Measurement and experimentation showed, that it in fact
worsened the read performance on a test system with an old micro SD
card as the bottle neck.
The feature is removed, and if needed, can be brought back simply by
wrapping/sub-classing the default block writer, if need be..
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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