Struct SegmentTableMut 

pub struct SegmentTableMut<'a> { /* private fields */ }

Mutable view over the segment table region.

Implementations

impl<'a> SegmentTableMut<'a>

pub fn from_bytes( data: &'a mut [u8], segment_count: usize, ) -> Result<Self, ProgramError>

Parse a mutable segment table from data.

pub fn descriptor( &self, index: usize, ) -> Result<SegmentDescriptor, ProgramError>

Read the descriptor at index.

pub fn set_descriptor( &mut self, index: usize, desc: &SegmentDescriptor, ) -> Result<(), ProgramError>

Write a descriptor at index.

pub fn len(&self) -> usize

Number of segments.

pub fn is_empty(&self) -> bool

Whether the table has no segments.

pub fn init( data: &'a mut [u8], data_start: u32, specs: &[(u16, u16)], ) -> Result<Self, ProgramError>

Initialize the segment table with descriptors computed from element sizes and initial counts.

specs is a slice of (element_size, initial_count) pairs. Offsets are computed automatically, starting at data_start (typically fixed_prefix_len + table_size).