Fixes garbage being added to "." filename.

Found by: Coverity scan.

This tries to catch all cases where grub_cpu_to_XXX was used for constant
expressions (including sizeof).

	Just "packed" doesn't always pack the way we expect.

	entry_type.

	* include/grub/disk.h (grub_disk_read_hook_t): New type.
	(struct grub_disk): Add read_hook_data member.
	* include/grub/file.h (struct grub_file): Likewise.
	* include/grub/fshelp.h (grub_fshelp_read_file): Add read_hook_data
	argument.

	Update all callers.

* include/grub/fs.h (grub_fs_dir_hook_t): New type.
(struct grub_fs.dir): Add hook_data argument.

Update all implementations and callers.

	with old reiserfs.
	(grub_reiserfs_open): Don't free root.

	* grub-core/fs/reiserfs.c (grub_fshelp_node): New field size.
	(grub_reiserfs_read_symlink): Use grub_reiserfs_read_real.
	(grub_reiserfs_iterate_dir): Save size for non-directories.
	(grub_reiserfs_open): Don't reread stat block as we already know the
	size.
	(grub_reiserfs_read): Split into...
	(grub_reiserfs_read_real): ... and ...
	(grub_reiserfs_read): ...this.

	zero after directory block since last entry may be not 0-terminated if
	it ends on block boundary. Use continue instead of if spanning whole
	loop.

	* grub-core/fs/reiserfs.c (grub_reiserfs_get_item): New argument
	exact. All users updated.
	(grub_reiserfs_read): Use nearest btree search for seeking.
	Fix return value on error.

	Fix source dir check.

	on it.

	number.

	created when no uuid support is compiled into mkfs.reiser.

	* grub-core/fs/reiserfs.c (grub_reiserfs_superblock): New field label.
	(REISERFS_MAX_LABEL_LENGTH): Removed.
	(REISERFS_LABEL_OFFSET): Likewise.
	(grub_reiserfs_label): Rewritten.

	guidelines.

	* grub-core/kern/dl.c (grub_dl_check_license): New function.
	(grub_dl_load_core): Use grub_dl_check_license.
	* include/grub/dl.h (GRUB_MOD_SECTION): New macro.
	(GRUB_MOD_LICENSE): Likewise.
	(GRUB_MOD_DUAL_LICENSE): Likewise.
	All modules updated.

	* fs/reiserfs.c (grub_reiserfs_read): Use #if 0 instead of commenting
	code out.

	* commands/efi/loadbios.c: Capitalize acronyms, replace `could not' by
	`couldn't' and `can not' by `cannot'.
	* commands/i386/pc/drivemap.c: Likewise.
	* disk/ata.c: Likewise.
	* disk/ieee1275/nand.c: Likewise.
	* fs/affs.c: Likewise.
	* fs/fat.c: Likewise.
	* fs/hfs.c: Likewise.
	* fs/hfsplus.c: Likewise.
	* fs/iso9660.c: Likewise.
	* fs/jfs.c: Likewise.
	* fs/minix.c: Likewise.
	* fs/reiserfs.c: Likewise.
	* fs/sfs.c: Likewise.
	* fs/udf.c: Likewise.
	* fs/ufs.c: Likewise.
	* fs/xfs.c: Likewise.
	* loader/powerpc/ieee1275/linux.c: Likewise.
	* loader/sparc64/ieee1275/linux.c: Likewise.
	* util/grub-probe.c: Likewise.
	* util/misc.c: Likewise.

	* bus/usb/usbhub.c: Fix capitalization, fullstop and newlines in
	grub_errno calls.
	* commands/acpi.c: Likewise.
	* commands/blocklist.c: Likewise.
	* commands/efi/loadbios.c: Likewise.
	* commands/i386/pc/drivemap.c: Likewise.
	* commands/loadenv.c: Likewise.
	* commands/memrw.c: Likewise.
	* commands/password.c: Likewise.
	* commands/videotest.c: Likewise.
	* disk/ata.c: Likewise.
	* disk/ata_pthru.c: Likewise.
	* disk/dmraid_nvidia.c: Likewise.
	* disk/ieee1275/nand.c: Likewise.
	* disk/ieee1275/ofdisk.c: Likewise.
	* disk/loopback.c: Likewise.
	* disk/lvm.c: Likewise.
	* disk/mdraid_linux.c: Likewise.
	* disk/raid.c: Likewise.
	* disk/raid6_recover.c: Likewise.
	* disk/scsi.c: Likewise.
	* efiemu/main.c: Likewise.
	* efiemu/mm.c: Likewise.
	* efiemu/pnvram.c: Likewise.
	* efiemu/symbols.c: Likewise.
	* font/font.c: Likewise.
	* fs/cpio.c: Likewise.
	* fs/hfsplus.c: Likewise.
	* fs/iso9660.c: Likewise.
	* fs/jfs.c: Likewise.
	* fs/minix.c: Likewise.
	* fs/ntfs.c: Likewise.
	* fs/ntfscomp.c: Likewise.
	* fs/reiserfs.c: Likewise.
	* fs/ufs.c: Likewise.
	* fs/xfs.c: Likewise.
	* gettext/gettext.c: Likewise.
	* include/grub/auth.h: Likewise.
	* kern/elf.c: Likewise.
	* kern/file.c: Likewise.
	* kern/ieee1275/init.c: Likewise.
	* kern/ieee1275/mmap.c: Likewise.
	* kern/ieee1275/openfw.c: Likewise.
	* kern/powerpc/dl.c: Likewise.
	* kern/sparc64/dl.c: Likewise.
	* lib/arg.c: Likewise.
	* loader/i386/bsd.c: Likewise.
	* loader/i386/bsdXX.c: Likewise.
	* loader/i386/efi/linux.c: Likewise.
	* loader/i386/efi/xnu.c: Likewise.
	* loader/i386/ieee1275/linux.c: Likewise.
	* loader/i386/linux.c: Likewise.
	* loader/i386/multiboot.c: Likewise.
	* loader/i386/pc/linux.c: Likewise.
	* loader/i386/pc/multiboot2.c: Likewise.
	* loader/i386/xnu.c: Likewise.
	* loader/ieee1275/multiboot2.c: Likewise.
	* loader/macho.c: Likewise.
	* loader/machoXX.c: Likewise.
	* loader/multiboot2.c: Likewise.
	* loader/multiboot_loader.c: Likewise.
	* loader/powerpc/ieee1275/linux.c: Likewise.
	* loader/sparc64/ieee1275/linux.c: Likewise.
	* loader/xnu.c: Likewise.
	* loader/xnu_resume.c: Likewise.
	* mmap/i386/pc/mmap.c: Likewise.
	* normal/menu_viewer.c: Likewise.
	* partmap/acorn.c: Likewise.
	* partmap/amiga.c: Likewise.
	* partmap/apple.c: Likewise.
	* script/lexer.c: Likewise.
	* term/gfxterm.c: Likewise.
	* term/i386/pc/serial.c: Likewise.
	* term/i386/pc/vga.c: Likewise.
	* term/ieee1275/ofconsole.c: Likewise.
	* term/terminfo.c: Likewise.
	* video/bitmap.c: Likewise.
	* video/efi_gop.c: Likewise.
	* video/efi_uga.c: Likewise.
	* video/fb/video_fb.c: Likewise.
	* video/i386/pc/vbe.c: Likewise.
	* video/readers/tga.c: Likewise.
	* video/video.c: Likewise.

	* kern/file.c (grub_file_read): Check offset.
	* fs/hfs.c (grub_hfs_read_file): Remove unnecessary offset check.
	* fs/jfs.c (grub_jfs_read_file): Likewise.
	* fs/ntfs.c (grub_ntfs_read): Likewise.
	* fs/reiserfs.c (grub_reiserfs_read): Likewise.
	* fs/minix.c (grub_minix_read_file): Correct offset check.
	* fs/ufs.c (grub_ufs_read_file): Likewise.

	* kernel/disk.c (grub_disk_read): Use void pointer for the
	buffer.
	(grub_disk_write): Use const void pointer for the buffer.
	Adjust all callers.  Remove unnecessary casts.

	* include/grub/dl.h [GRUB_UTIL]: Provide inline implementations
	of grub_dl_ref() and grub_dl_unref().
	* commands/parttool.c: Remove preprocessor conditionals around
	grub_dl_ref() and grub_dl_unref().
	* fs/affs.c: Likewise.
	* fs/afs.c: Likewise.
	* fs/cpio.c: Likewise.
	* fs/ext2.c: Likewise.
	* fs/fat.c: Likewise.
	* fs/hfs.c: Likewise.
	* fs/hfsplus.c: Likewise.
	* fs/iso9660.c: Likewise.
	* fs/jfs.c: Likewise.
	* fs/minix.c: Likewise.
	* fs/ntfs.c: Likewise.
	* fs/reiserfs.c: Likewise.
	* fs/sfs.c: Likewise.
	* fs/udf.c: Likewise.
	* fs/ufs.c: Likewise.
	* fs/xfs.c: Likewise.
	* include/grub/dl.h: Likewise.
	* loader/xnu.c: Likewise.

	* disk/ata.c: Spelling fixes.
	* disk/raid.c: Likewise.
	* disk/usbms.c: Likewise.
	* disk/dmraid_nvidia.c: Likewise.
	* kern/ieee1275/openfw.c: Likewise.
	* kern/ieee1275/init.c: Likewise.
	* kern/ieee1275/cmain.c: Likewise.
	* boot/i386/pc/cdboot.S: Likewise.
	* video/readers/png.c: Likewise.
	* video/i386/pc/vbe.c: Likewise.
	* fs/udf.c: Likewise.
	* fs/hfs.c: Likewise.
	* fs/reiserfs.c: Likewise.
	* efiemu/runtime/efiemu.c: Likewise.
	* efiemu/main.c: Likewise.
	* efiemu/mm.c: Likewise.
	* include/grub/elf.h: Likewise.
	* include/grub/xnu.h: Likewise.
	* include/grub/usbdesc.h: Likewise.
	* include/grub/usb.h: Likewise.
	* include/grub/script_sh.h: Likewise.
	* include/grub/lib/LzmaEnc.h: Likewise.
	* include/grub/efiemu/efiemu.h: Likewise.
	* include/grub/command.h: Likewise.
	* normal/menu.c: Likewise.
	* normal/main.c: Likewise.
	* normal/datetime.c: Likewise.
	* bus/usb/uhci.c: Likewise.
	* mmap/i386/uppermem.c: Likewise.
	* mmap/mmap.c: Likewise.
	* commands/acpi.c: Likewise.
	* commands/test.c: Likewise.
	* partmap/apple.c: Likewise.
	* font/font.c: Likewise.
	* loader/sparc64/ieee1275/linux.c: Likewise.
	* loader/macho.c: Likewise.
	* loader/i386/bsd_trampoline.S: Likewise.
	* loader/i386/bsd.c: Likewise.
	* loader/xnu.c: Likewise.
	* term/i386/pc/vesafb.c: Likewise.
	* term/usb_keyboard.c: Likewise.
	* util/resolve.c: Likewise.
	* util/getroot.c: Likewise.

	Support for mtime and further expandability of dir command

	* include/grub/lib/datetime.h: moved to ...
	* include/grub/datetime.h: ... moved here and added 
	declaration of grub_unixtime2datetime. All users updated
	* include/grub/fs.h: new syntax for dir and mtime functionin 
	struct grub_fs 
	* include/grub/fshelp.h: new declarations of GRUB_FSHELP_TYPE_MASK
	and GRUB_FSHELP_FLAGS_MASK
	* commands/ls.c (grub_ls_list_files): Write mtime in long format
	* fs/ext2.c (grub_ext2_dir): use new dir syntax and supply mtime
	(grub_ext2_mtime): new function
	* fs/hfsplus.c (grub_hfsplus_dir): use new dir syntax and supply mtime
	(grub_hfsplus_mtime): new function
	* fs/ufs.c (GRUB_UFS_ATTR_TYPE): new definition
	(GRUB_UFS_ATTR_FILE): likewise
	(GRUB_UFS_ATTR_LNK): likewise
	(struct grub_ufs_sblock): new fields mtime
	(grub_ufs_read_inode): new parameter to read inode to a separate buffer
	all users updated
	(grub_ufs_dir): mtime support
	(grub_ufs_mtime): new function
	* fs/affs.c (grub_affs_dir): use new dir syntax
	* fs/afs.c (grub_afs_dir): likewise
	* fs/cpio.c (grub_cpio_dir): likewise
	* fs/fat.c (grub_fat_find_dir): likewise
	* fs/hfs.c (grub_hfs_dir): likewise
	* fs/iso9660.c (grub_iso9660_dir): likewise
	* fs/jfs.c (grub_jfs_dir): likewise
	* fs/minix.c (grub_minix_dir): likewise
	* fs/ntfs.c (grub_ntfs_dir): likewise
	* fs/reiserfs.c (grub_reiserfs_dir): likewise
	* fs/sfs.c (grub_sfs_dir): likewise
	* fs/xfs.c (grub_xfs_dir): likewise
	* util/hostfs.c (grub_hostfs_dir): likewise
	* lib/datetime.c: moved to ...
	* normal/datetime.c: ... moved here
	(grub_unixtime2datetime): new function
	* kern/rescue.c (grub_rescue_print_files): use new dir syntax
	* normal/completition.c (iterate_dir): use new dir syntax
	* normal/misc.c (grub_normal_print_device_info): tell the 
	last modification time of a volume
	* kern/fs.c (grub_fs_probe): updated dummy function to use new syntax 
	* conf/common.rmk: added lib/datetime.c to ls.mod
	* conf/i386-coreboot.rmk (grub_emu_SOURCES): add normal/datetime.c  
	(normal_mod_SOURCES): likewise
	(datetime_mod_SOURCES): Removed lib/datetime.c
	* conf/i386-efi.rmk: likewise
	* conf/i386-ieee1275.rmk: likewise	
	* conf/i386-pc.rmk: likewise
	* conf/powerpc-ieee1275.rmk: likewise
	* conf/sparc64-ieee1275.rmk: likewise	
	* conf/x86_64-efi.rmk: likewise	

	* fs/reiserfs.c (grub_reiserfs_read): Fix misuse of grub_size_t
	for file offsets, use grub_off_t instead.  Fix printf format
	warnings.

	* fs/reiserfs.c: Remove #warning, TODO list items don't belong
	there.  Real unexpected warnings should not drown in the noise
	about known problems.

	* disk/raid.c: Cast grub_dprintf() arguments to unsigned long
	long if the format specifier expects it.
	* partmap/gpt.c (gpt_partition_map_iterate): Likewise.
	* partmap/pc.c (pc_partition_map_iterate): Likewise.
	* fs/ntfs.c (grub_ntfs_uuid): Cast data->uuid to unsigned long
	long to fix a warning.
	* fs/reiserfs.c (grub_reiserfs_read): Change casts in
	grub_dprintf() arguments to fix warnings.

	* fs/ext2.c (grub_ext2_blockgroup): Revert to pre journal state.
	(grub_ext2_read_block): Likewise.
	(grub_ext2_read_inode): Likewise.
	(grub_ext2_mount): Likewise.
	(grub_ext2_close): Likewise.
	(grub_ext3_get_journal): Removed.

	* fs/reiserfs.c (grub_reiserfs_get_item): Revert to pre journal state.
	(grub_reiserfs_read_symlink): Likewise.
	(grub_reiserfs_mount): Likewise.
	(grub_reiserfs_open): Likewise.
	(grub_reiserfs_read): Likewise.
	(grub_reiserfs_close): Likewise.
	(grub_reiserfs_get_journal): Removed.

	* fs/fshelp.c (grub_fshelp_read): Removed.
	(grub_fshelp_map_block): Likewise.

	* include/grub/fshelp.h (grub_fshelp_journal_type): Removed.
	(grub_fshelp_journal): Likewise.
	(grub_fshelp_read): Likewise.
	(grub_fshelp_map_block): Likewise.

        *  util/biosdisk.c (get_drive): Verify that `map[i].drive' is non-NULL
        before dereferencing it.

        * fs/fat.c (struct grub_fat_bpb): Move fat32-specific fields into a
        union with fat12/fat16-specific ones.  Add some new fields, including
        `num_serial' for both versions.
        (struct grub_fat_data): Add `uuid' member.
        (grub_fat_mount): Refer to fat32-specific fields in `bpb' by their new
        names.  Initialize `data->uuid' using `num_serial'.
        (grub_fat_uuid): New function.
        (grub_fat_fs): Reference grub_fat_uuid() in `uuid' struct member.

        * fs/reiserfs.c (grub_reiserfs_superblock): Add `uuid' field.
        (grub_reiserfs_uuid): New function.
        (grub_reiserfs_fs): Reference grub_reiserfs_uuid() in `uuid' struct
        member.

        * fs/xfs.c (grub_xfs_sblock): Add `uuid' field.
        (grub_xfs_uuid): New function.
        (grub_xfs_fs): Reference grub_reiserfs_uuid() in `uuid' struct member.

	* fs/fshelp.c (grub_fshelp_map_block): New function.
	(grub_fshelp_find_file): Use 64-bit type for pos and block address.
	Use `>>' and `&' operator to avoid 64-bit divide and modulo.

	* include/grub/fshelp.h (grub_fshelp_journal_type): New enum.
	(GRUB_FSHELP_JOURNAL_UNUSED_MAPPING): New macro.
	(grub_fshelp_journal): New structure.
	(grub_fshelp_map_block): New function prototype.
	(grub_fshelp_read_file): Use grub_disk_addr_t as block type.
	(grub_fshelp_map_block): Likewise.

	* fs/ext2.c (EXT3_FEATURE_COMPAT_HAS_JOURNAL): New macro.
	(EXT3_JOURNAL_MAGIC_NUMBER): Likewise.
	(EXT3_JOURNAL_DESCRIPTOR_BLOCK): Likewise.
	(EXT3_JOURNAL_COMMIT_BLOCK): Likewise.
	(EXT3_JOURNAL_SUPERBLOCK_V1): Likewise.
	(EXT3_JOURNAL_SUPERBLOCK_V2): Likewise.
	(EXT3_JOURNAL_REVOKE_BLOCK): Likewise.
	(EXT3_JOURNAL_FLAG_ESCAPE): Likewise.
	(EXT3_JOURNAL_FLAG_SAME_UUID): Likewise.
	(EXT3_JOURNAL_FLAG_DELETED): Likewise.
	(EXT3_JOURNAL_FLAG_LAST_TAG): Likewise.
	(grub_ext2_sblock): New members for journal support.
	(grub_ext3_journal_header): New structure.
	(grub_ext3_journal_revoke_header): Likewise.
	(grub_ext3_journal_block_tag): Likewise.
	(grub_ext3_journal_sblock): Likewise.
	(grub_fshelp_node): New members logfile and journal.
	(grub_ext2_read_block): Change block type to grub_disk_addr_t. Use
	grub_fshelp_map_block to get real block number.
	(grub_ext2_blockgroup): Use grub_fshelp_map_block to get real block
	number.
	(grub_ext2_read_inode): Likewise.
	(grub_ext3_get_journal): New function.
	(grub_read_inode): Initialize journal using grub_ext3_get_journal.
	(grub_ext2_close): Release memory used by journal.

	* fs/reiserfs.c (REISERFS_MAGIC_STRING): Changed to "ReIsEr".
	(REISERFS_MAGIC_DESC_BLOCK): New macro.
	(grub_reiserfs_transaction_header): Renamed to
	grub_reiserfs_description_block, replace field data with real_blocks.
	(grub_reiserfs_commit_block): New structure.
	(grub_reiserfs_data): New member journal.
	(grub_reiserfs_get_item): Use grub_fshelp_map_block to get real block
	number.
	(grub_reiserfs_read_symlink): Likewise.
	(grub_reiserfs_iterate_dir): Likewise.
	(grub_reiserfs_open): Likewise.
	(grub_reiserfs_read): Likewise.
	(grub_reiserfs_get_journal): New function.
	(grub_reiserfs_mount): Use "ReIsEr" as super block magic, as there are
	three varieties ReIsErFs, ReIsEr2Fs and ReIsEr3Fs. Initialize journal
	using grub_reiserfs_get_journal.
	(grub_reiserfs_close): Release memory used by journal.

	* fs/affs.c (grub_affs_read_block): Change block type to
	grub_disk_addr_t. Use grub_divmod64 to do 64-bit division.

	* fs/afs.c (grub_afs_read_block): Change block type to grub_disk_addr_t.

	* fs/hfsplus.c (grub_hfsplus_read_block): Likewise.

	* fs/ntfs.c (grub_ntfs_read_block): Likewise.

	* fs/udf.c (grub_udf_read_block): Change block type to
	grub_disk_addr_t. Use type cast to avoid warning.

	* fs/xfs.c (grub_xfs_read_block): Likewise.

	* fs/reiserfs.c (grub_reiserfs_read_symlink): Add 0 at the end of
	symlink_buffer.

        * fs/reiserfs.c (grub_fshelp_node): New member next_offset.
        (grub_reiserfs_get_item): Save offset of the next item.
        (grub_reiserfs_iterate_dir): Use next_offset to find next item.

        Fix detection of very small filesystems (like tar).

        * fs/reiserfs.c (grub_reiserfs_mount): When disk is too small to
        contain a ReiserFS, abort with GRUB_ERR_BAD_FS rather than
        GRUB_ERR_OUT_OF_RANGE (which made the upper layer think there's
        a problem with this disk).