grub/include/grub/fs.h
phcoder 05aaebfb7b 2009-04-05 Vladimir Serbinenko <phcoder@gmail.com>
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
2009-04-05 20:19:05 +00:00

91 lines
3.1 KiB
C

/* fs.h - filesystem manager */
/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2002,2003,2004,2007,2008 Free Software Foundation, Inc.
*
* GRUB is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* GRUB is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GRUB. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef GRUB_FS_HEADER
#define GRUB_FS_HEADER 1
#include <grub/device.h>
#include <grub/symbol.h>
#include <grub/types.h>
/* Forward declaration is required, because of mutual reference. */
struct grub_file;
struct grub_dirhook_info
{
int dir:1;
int mtimeset:1;
int case_insensitive:1;
grub_int32_t mtime;
};
/* Filesystem descriptor. */
struct grub_fs
{
/* My name. */
const char *name;
/* Call HOOK with each file under DIR. */
grub_err_t (*dir) (grub_device_t device, const char *path,
int (*hook) (const char *filename,
const struct grub_dirhook_info *info));
/* Open a file named NAME and initialize FILE. */
grub_err_t (*open) (struct grub_file *file, const char *name);
/* Read LEN bytes data from FILE into BUF. */
grub_ssize_t (*read) (struct grub_file *file, char *buf, grub_size_t len);
/* Close the file FILE. */
grub_err_t (*close) (struct grub_file *file);
/* Return the label of the device DEVICE in LABEL. The label is
returned in a grub_malloc'ed buffer and should be freed by the
caller. */
grub_err_t (*label) (grub_device_t device, char **label);
/* Return the uuid of the device DEVICE in UUID. The uuid is
returned in a grub_malloc'ed buffer and should be freed by the
caller. */
grub_err_t (*uuid) (grub_device_t device, char **uuid);
/* Get writing time of filesystem. */
grub_err_t (*mtime) (grub_device_t device, grub_int32_t *timebuf);
/* The next filesystem. */
struct grub_fs *next;
};
typedef struct grub_fs *grub_fs_t;
/* This is special, because block lists are not files in usual sense. */
extern struct grub_fs grub_fs_blocklist;
/* This hook is used to automatically load filesystem modules.
If this hook loads a module, return non-zero. Otherwise return zero.
The newly loaded filesystem is assumed to be inserted into the head of
the linked list GRUB_FS_LIST through the function grub_fs_register. */
typedef int (*grub_fs_autoload_hook_t) (void);
extern grub_fs_autoload_hook_t EXPORT_VAR(grub_fs_autoload_hook);
void EXPORT_FUNC(grub_fs_register) (grub_fs_t fs);
void EXPORT_FUNC(grub_fs_unregister) (grub_fs_t fs);
void EXPORT_FUNC(grub_fs_iterate) (int (*hook) (const grub_fs_t fs));
grub_fs_t EXPORT_FUNC(grub_fs_probe) (grub_device_t device);
#endif /* ! GRUB_FS_HEADER */