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fs/fat: Big code cleanup.

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- reformat
- throw out macros like FAT_DPRINT and FAT_DPRINT
- remove dead code

Signed-off-by: Wolfgang Denk <wd@denx.de>
This commit is contained in:
Wolfgang Denk
2010-07-19 11:37:00 +02:00
parent 226fa9bb9e
commit 7385c28e9b
4 changed files with 694 additions and 752 deletions
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63
include/fat.h
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@@ -33,7 +33,7 @@
#define SECTOR_SIZE FS_BLOCK_SIZE
#define FS_BLOCK_SIZE 512
#define FS_BLOCK_SIZE 512
#if FS_BLOCK_SIZE != SECTOR_SIZE
#error FS_BLOCK_SIZE != SECTOR_SIZE - This code needs to be fixed!
@@ -57,37 +57,31 @@
#define SIGNLEN 8
/* File attributes */
#define ATTR_RO 1
#define ATTR_HIDDEN 2
#define ATTR_SYS 4
#define ATTR_VOLUME 8
#define ATTR_DIR 16
#define ATTR_ARCH 32
#define ATTR_RO 1
#define ATTR_HIDDEN 2
#define ATTR_SYS 4
#define ATTR_VOLUME 8
#define ATTR_DIR 16
#define ATTR_ARCH 32
#define ATTR_VFAT (ATTR_RO | ATTR_HIDDEN | ATTR_SYS | ATTR_VOLUME)
#define ATTR_VFAT (ATTR_RO | ATTR_HIDDEN | ATTR_SYS | ATTR_VOLUME)
#define DELETED_FLAG ((char)0xe5) /* Marks deleted files when in name[0] */
#define aRING 0x05 /* Used as special character in name[0] */
/* Indicates that the entry is the last long entry in a set of long
/*
* Indicates that the entry is the last long entry in a set of long
* dir entries
*/
#define LAST_LONG_ENTRY_MASK 0x40
/* Flags telling whether we should read a file or list a directory */
#define LS_NO 0
#define LS_YES 1
#define LS_DIR 1
#define LS_ROOT 2
#define LS_NO 0
#define LS_YES 1
#define LS_DIR 1
#define LS_ROOT 2
#ifdef DEBUG
#define FAT_DPRINT(args...) printf(args)
#else
#define FAT_DPRINT(args...)
#endif
#define FAT_ERROR(arg) printf(arg)
#define ISDIRDELIM(c) ((c) == '/' || (c) == '\\')
#define ISDIRDELIM(c) ((c) == '/' || (c) == '\\')
#define FSTYPE_NONE (-1)
@@ -166,17 +160,18 @@ typedef struct dir_entry {
} dir_entry;
typedef struct dir_slot {
__u8 id; /* Sequence number for slot */
__u8 name0_4[10]; /* First 5 characters in name */
__u8 attr; /* Attribute byte */
__u8 reserved; /* Unused */
__u8 alias_checksum;/* Checksum for 8.3 alias */
__u8 name5_10[12]; /* 6 more characters in name */
__u16 start; /* Unused */
__u8 name11_12[4]; /* Last 2 characters in name */
__u8 id; /* Sequence number for slot */
__u8 name0_4[10]; /* First 5 characters in name */
__u8 attr; /* Attribute byte */
__u8 reserved; /* Unused */
__u8 alias_checksum;/* Checksum for 8.3 alias */
__u8 name5_10[12]; /* 6 more characters in name */
__u16 start; /* Unused */
__u8 name11_12[4]; /* Last 2 characters in name */
} dir_slot;
/* Private filesystem parameters
/*
* Private filesystem parameters
*
* Note: FAT buffer has to be 32 bit aligned
* (see FAT32 accesses)
@@ -198,10 +193,10 @@ typedef long (file_read_func)(const char *filename, void *buffer,
unsigned long maxsize);
struct filesystem {
file_detectfs_func *detect;
file_ls_func *ls;
file_read_func *read;
const char name[12];
file_detectfs_func *detect;
file_ls_func *ls;
file_read_func *read;
const char name[12];
};
/* FAT tables */