Struct Header

pub struct Header {

    pub signature: u16,
    pub extra_bytes: u16,
    pub pages: u16,
    pub reloc_items: u16,
    pub header_size: u16,
    pub min_alloc: u16,
    pub max_alloc: u16,
    pub init_ss: u16,
    pub init_sp: u16,
    pub checksum: u16,
    pub init_ip: u16,
    pub init_cs: u16,
    pub reloc_table: u16,
    pub overlay: u16,
}

A definition of a header in a 16 bit dos executable

Fields

signature: u16

extra_bytes: u16

pages: u16

reloc_items: u16

header_size: u16

min_alloc: u16

max_alloc: u16

init_ss: u16

init_sp: u16

checksum: u16

init_ip: u16

init_cs: u16

reloc_table: u16

overlay: u16

Implementations

impl Header

pub fn from_words(words: [u16; 14]) -> Result<Header, HeaderError>

Read a header from 14 16-bit words

pub fn new(bytes: &[u8]) -> Result<Header, HeaderError>

Read a header from bytes

pub fn exe_data_start(&self) -> usize

Get the start of the exe data

pub fn extra_data_start(&self) -> usize

Get the start of the extra data

pub fn relocation_table_start(&self) -> usize

Get the start of the relocation table

pub fn relocation_table_end(&self) -> usize

Get the end of the relocation table

pub fn exe_data<'a>(&self, bytes: &'a [u8]) -> &'a [u8]

Get the exe data as a slice

pub fn extra_data<'a>(&self, bytes: &'a [u8]) -> &'a [u8]

Get the extra data as a slice

pub fn header_data<'a>(&self, bytes: &'a [u8]) -> &'a [u8]

Get the header data

pub fn relocation_table_data<'a>(&self, bytes: &'a [u8]) -> &'a [u8]

Get the relocation table data

Trait Implementations

impl Debug for Header

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.