Szymon Janc
4334690fbf
More work on LZO for btrfs support. Some fixes and code refactoring.
2011-08-20 02:05:08 +02:00
Szymon Janc
d6beefcfc9
Add initial support for lzop files decompression.
...
* grub-core/Makefile.core.def (lzopio): New module.
* grub-core/io/lzopio.c: New file.
* include/grub/file.h (grub_file_filter_id): New compression filter
GRUB_FILE_FILTER_LZOPIO.
2011-08-17 19:40:25 +02:00
Szymon Janc
095f077e6d
Add support for LZO compression in btrfs.
...
* Makefile.util.def (libgrubmods.a): Add minilzo.c and add required flags
to cflags in cppflags.
* Makefile.core.def (btrfs): Likewise.
* grub-core/fs/btrfs.c: Include minilzo.h.
(grub_btrfs_superblock): Add sectorsize, nodesize, leafsize, stripsize and
dummy5 field.
(GRUB_BTRFS_COMPRESSION_LZO): New define.
(grub_btrfs_extent_read): Add support for LZO compression type.
2011-08-14 11:46:05 +02:00
Szymon Janc
b6085f3236
* grub-core/fs/btrfs.c: Some code style fixes.
2011-08-14 11:42:53 +02:00
Szymon Janc
b2d7e331e2
Add helper functions for easier unaligned memory access.
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* include/grub/types.h (grub_get_unaligned16): New function.
(grub_get_unaligned32): Likewise.
(grub_get_unaligned64): Likewise.
2011-08-14 11:41:19 +02:00
Szymon Janc
1f1a380be9
Import minilzo library for LZO decompression support.
...
* grub-core/lib/minilzo/lzoconf.h: New file.
* grub-core/lib/minilzo/lzodefs.h: Likewise.
* grub-core/lib/minilzo/minilzo.c: Likewise.
* grub-core/lib/minilzo/minilzo.h: Likewise.
* include/grub/types.h (GRUB_UCHAR_MAX): New define.
(GRUB_USHRT_MAX): Likewise.
(GRUB_UINT_MAX): Likewise.
* grub-core/lib/posix_wrap/limits.h (USHRT_MAX): New define.
(UINT_MAX): Likewise.
(CHAR_BIT): Likewise.
* grub-core/lib/posix_wrap/sys/types.h (ULONG_MAX): Moved to
grub-core/lib/posix_wrap/limits.h
(UCHAR_MAX): Likewise.
2011-08-14 11:39:31 +02:00
