diff options
Diffstat (limited to 'cpukit/libfs/src/dosfs/msdos.h')
| -rw-r--r-- | cpukit/libfs/src/dosfs/msdos.h | 39 |
1 files changed, 28 insertions, 11 deletions
diff --git a/cpukit/libfs/src/dosfs/msdos.h b/cpukit/libfs/src/dosfs/msdos.h index 5a14168012..57ae86c8cf 100644 --- a/cpukit/libfs/src/dosfs/msdos.h +++ b/cpukit/libfs/src/dosfs/msdos.h @@ -81,7 +81,7 @@ typedef rtems_filesystem_node_types_t msdos_node_type_t; /* * Macros for fetching fields from 32 bytes long FAT Directory Entry - * Structure (see M$ White Paper) + * Structure */ #define MSDOS_DIRECTORY_ENTRY_STRUCT_SIZE 32 /* 32 bytes */ @@ -104,7 +104,7 @@ typedef rtems_filesystem_node_types_t msdos_node_type_t; /* * Fields offset in 32 bytes long FAT Directory Entry - * Structure (see M$ White Paper) + * Structure */ #define MSDOS_FILE_SIZE_OFFSET 28 #define MSDOS_FILE_NAME_OFFSET 0 @@ -115,7 +115,7 @@ typedef rtems_filesystem_node_types_t msdos_node_type_t; /* * Possible values of DIR_Attr field of 32 bytes long FAT Directory Entry - * Structure (see M$ White Paper) + * Structure */ #define MSDOS_ATTR_READ_ONLY 0x01 #define MSDOS_ATTR_HIDDEN 0x02 @@ -124,9 +124,24 @@ typedef rtems_filesystem_node_types_t msdos_node_type_t; #define MSDOS_ATTR_DIRECTORY 0x10 #define MSDOS_ATTR_ARCHIVE 0x20 +#define MSDOS_DT_2SECONDS_MASK 0x1F /* seconds divided by 2 */ +#define MSDOS_DT_2SECONDS_SHIFT 0 +#define MSDOS_DT_MINUTES_MASK 0x7E0 /* minutes */ +#define MSDOS_DT_MINUTES_SHIFT 5 +#define MSDOS_DT_HOURS_MASK 0xF800 /* hours */ +#define MSDOS_DT_HOURS_SHIFT 11 + +#define MSDOS_DD_DAY_MASK 0x1F /* day of month */ +#define MSDOS_DD_DAY_SHIFT 0 +#define MSDOS_DD_MONTH_MASK 0x1E0 /* month */ +#define MSDOS_DD_MONTH_SHIFT 5 +#define MSDOS_DD_YEAR_MASK 0xFE00 /* year - 1980 */ +#define MSDOS_DD_YEAR_SHIFT 9 + + /* * Possible values of DIR_Name[0] field of 32 bytes long FAT Directory Entry - * Structure (see M$ White Paper) + * Structure */ #define MSDOS_THIS_DIR_ENTRY_EMPTY 0xE5 #define MSDOS_THIS_DIR_ENTRY_AND_REST_EMPTY 0x00 @@ -171,7 +186,7 @@ typedef enum msdos_token_types_e #define DOT_NODE_P(p) ((char *)(p)) #define DOTDOT_NODE_P(p) ((char *)((p) + MSDOS_DIRECTORY_ENTRY_STRUCT_SIZE)) -/* Size limits for files and directories (see M$ White Paper) */ +/* Size limits for files and directories */ #define MSDOS_MAX_DIR_LENGHT 0x200000 /* 2,097,152 bytes */ #define MSDOS_MAX_FILE_SIZE 0xFFFFFFFF /* 4 Gb */ @@ -345,13 +360,15 @@ msdos_get_name_node(rtems_filesystem_location_info_t *parent_loc, int msdos_dir_info_remove(rtems_filesystem_location_info_t *pathloc); -void -msdos_date_unix2dos(int unix_date, - unsigned short *time_val, - unsigned short *date); +int +msdos_filename_unix2dos(char *un, int unlen, char *dn); + +void +msdos_date_unix2dos(unsigned int tsp, unsigned short *ddp, + unsigned short *dtp); -unsigned int -msdos_date_dos2unix(unsigned short time_val, unsigned short date); +unsigned int +msdos_date_dos2unix(unsigned int dd, unsigned int dt); int msdos_set_first_cluster_num(rtems_filesystem_mount_table_entry_t *mt_entry, |