Struct FileHeader 

pub struct FileHeader {
    pub magic: [u8; 8],
    pub format_type: FormatType,
    pub version: FormatVersion,
    pub feature_flags: u32,
    pub reserved: [u8; 15],
}

File header with magic and version

Fields

magic: [u8; 8]

Magic bytes (8)

format_type: FormatType

Format type (1 byte)

version: FormatVersion

Format version (4 bytes)

feature_flags: u32

Feature flags (4 bytes)

reserved: [u8; 15]

Reserved for future use (15 bytes)

Implementations

impl FileHeader

pub const SIZE: usize = 32

Header size in bytes

pub fn new(format_type: FormatType, version: FormatVersion) -> Self

Create a new header for a format type

pub fn to_bytes(&self) -> [u8; 32]

Serialize to bytes

pub fn from_bytes(buf: &[u8]) -> Result<Self, VersionError>

Parse from bytes

pub fn check_compatibility( &self, expected_type: FormatType, current_version: FormatVersion, ) -> Result<CompatibilityResult, VersionError>

Check compatibility with expected type and version

Trait Implementations

impl Clone for FileHeader

fn clone(&self) -> FileHeader

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for FileHeader

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

Formats the value using the given formatter.