typedef struct { int8_t int8_t uint16_t uint8_t uint16_t uint8_t uint16_t uint16_t jump_to_bootstrap [3]; oem_id [8]; bytes_per_sector; sectors_per_cluster; reserved sectors; fat_copies; root_dir_entries; total_sectors; media_descriptor_type; sectors_per_fat; uint8_t uint16_t uint16_t sectors_per_track; uint16_t heads; uint32_t hidden_sectors; uint32_t total_sectors2; uint8_t drive_index; uint8_t _stuff; uint8_t signature; uint32_t id; int8_t label [11]; int8_t type [8]; uint8_t _more_stuff [448]; uint16_t sig; } __attribute _ ((packed)) boot_t; typedef struct int8_t int8_t int8_t int8_t uint16_t uint16_t uint16_t uint32_t filename [8]; extension [3]; attributes; _reserved [10]; update_time; update_date; starting_cluster; file_size; } _ attribute _ ((packed)) dir_entry_t; Write a program to take the name of a file in the root directory and extract its contents to your local disk. Hint: • • • Sector number to byte offset Sector number to next sector number (using the FAT) readCluster(clusterNumber) -> bytes array readSector(sectorNumber) -> bytes array readFromSector(sectorNumber, bytes) -> bytes array readMBR -> boot_t getRootDirEntries() -> dir_entry_t[] find RootDirEntry(string filename, dir_entry_t entries[]) -> dir_entry_t // This has to do a search with a loop
typedef struct { int8_t int8_t uint16_t uint8_t uint16_t uint8_t uint16_t uint16_t jump_to_bootstrap [3]; oem_id [8]; bytes_per_sector; sectors_per_cluster; reserved sectors; fat_copies; root_dir_entries; total_sectors; media_descriptor_type; sectors_per_fat; uint8_t uint16_t uint16_t sectors_per_track; uint16_t heads; uint32_t hidden_sectors; uint32_t total_sectors2; uint8_t drive_index; uint8_t _stuff; uint8_t signature; uint32_t id; int8_t label [11]; int8_t type [8]; uint8_t _more_stuff [448]; uint16_t sig; } __attribute _ ((packed)) boot_t; typedef struct int8_t int8_t int8_t int8_t uint16_t uint16_t uint16_t uint32_t filename [8]; extension [3]; attributes; _reserved [10]; update_time; update_date; starting_cluster; file_size; } _ attribute _ ((packed)) dir_entry_t; Write a program to take the name of a file in the root directory and extract its contents to your local disk. Hint: • • • Sector number to byte offset Sector number to next sector number (using the FAT) readCluster(clusterNumber) -> bytes array readSector(sectorNumber) -> bytes array readFromSector(sectorNumber, bytes) -> bytes array readMBR -> boot_t getRootDirEntries() -> dir_entry_t[] find RootDirEntry(string filename, dir_entry_t entries[]) -> dir_entry_t // This has to do a search with a loop
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
Related questions
Question
please help, i use mac terminal so pls also include how to compile and run
![typedef struct
{
int8_t
int8_t
uint16_t
uint8_t
uint16_t
uint8_t
uint16_t
uint16_t
jump_to_bootstrap [3];
oem_id [8];
bytes_per_sector;
sectors_per_cluster;
reserved sectors;
fat_copies;
root_dir_entries;
total_sectors;
media_descriptor_type;
sectors_per_fat;
uint8_t
uint16_t
uint16_t
sectors_per_track;
uint16_t
heads;
uint32_t
hidden_sectors;
uint32_t
total_sectors2;
uint8_t
drive_index;
uint8_t
_stuff;
uint8_t
signature;
uint32_t
id;
int8_t
label [11];
int8_t
type [8];
uint8_t
_more_stuff [448];
uint16_t
sig;
} __attribute _ ((packed)) boot_t;
typedef struct
int8_t
int8_t
int8_t
int8_t
uint16_t
uint16_t
uint16_t
uint32_t
filename [8];
extension [3];
attributes;
_reserved [10];
update_time;
update_date;
starting_cluster;
file_size;
} _ attribute _ ((packed)) dir_entry_t;](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F4217e83c-b4b2-47da-9d7a-2d6031448fca%2Fde76819d-f04d-4a9c-9aab-d0adfb842d69%2F1m8esb_processed.png&w=3840&q=75)
Transcribed Image Text:typedef struct
{
int8_t
int8_t
uint16_t
uint8_t
uint16_t
uint8_t
uint16_t
uint16_t
jump_to_bootstrap [3];
oem_id [8];
bytes_per_sector;
sectors_per_cluster;
reserved sectors;
fat_copies;
root_dir_entries;
total_sectors;
media_descriptor_type;
sectors_per_fat;
uint8_t
uint16_t
uint16_t
sectors_per_track;
uint16_t
heads;
uint32_t
hidden_sectors;
uint32_t
total_sectors2;
uint8_t
drive_index;
uint8_t
_stuff;
uint8_t
signature;
uint32_t
id;
int8_t
label [11];
int8_t
type [8];
uint8_t
_more_stuff [448];
uint16_t
sig;
} __attribute _ ((packed)) boot_t;
typedef struct
int8_t
int8_t
int8_t
int8_t
uint16_t
uint16_t
uint16_t
uint32_t
filename [8];
extension [3];
attributes;
_reserved [10];
update_time;
update_date;
starting_cluster;
file_size;
} _ attribute _ ((packed)) dir_entry_t;
![Write a program to take the name of a file in the root directory and extract its contents to your
local disk.
Hint:
•
•
•
Sector number to byte offset
Sector number to next sector number (using the FAT)
readCluster(clusterNumber) -> bytes array
readSector(sectorNumber) -> bytes array
readFromSector(sectorNumber, bytes) -> bytes array
readMBR -> boot_t
getRootDirEntries() -> dir_entry_t[]
find RootDirEntry(string filename, dir_entry_t entries[]) -> dir_entry_t // This has to do a
search with a loop](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F4217e83c-b4b2-47da-9d7a-2d6031448fca%2Fde76819d-f04d-4a9c-9aab-d0adfb842d69%2Fx8ny169_processed.png&w=3840&q=75)
Transcribed Image Text:Write a program to take the name of a file in the root directory and extract its contents to your
local disk.
Hint:
•
•
•
Sector number to byte offset
Sector number to next sector number (using the FAT)
readCluster(clusterNumber) -> bytes array
readSector(sectorNumber) -> bytes array
readFromSector(sectorNumber, bytes) -> bytes array
readMBR -> boot_t
getRootDirEntries() -> dir_entry_t[]
find RootDirEntry(string filename, dir_entry_t entries[]) -> dir_entry_t // This has to do a
search with a loop
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