Index header (version 3) adding hierarchical chaining (identifier == IndexBlock3). More...

#include <aaruformat/structs/index.h>

Data Fields
uint32_t	identifier
	Block identifier (must be BlockType::IndexBlock3).
uint64_t	entries
	Number of IndexEntry records that follow in this (sub)index block.
uint64_t	crc64
	CRC64-ECMA of the local entries array (does NOT cover subindexes or previous chains).
uint64_t	previous
	File offset of a previous IndexBlock3 header (0 if none / root segment).

Detailed Description

Index header (version 3) adding hierarchical chaining (identifier == IndexBlock3).

Supports flattened hierarchical indexes: entries referencing additional IndexBlock3 subindexes. The 'previous' pointer allows chaining earlier index segments (e.g., incremental append) enabling cumulative discovery without rewriting earlier headers.

Definition at line 92 of file index.h.

Field Documentation

◆ crc64

uint64_t IndexHeader3::crc64

CRC64-ECMA of the local entries array (does NOT cover subindexes or previous chains).

Definition at line 96 of file index.h.

Referenced by verify_index_v3(), and write_index_block().

◆ entries

uint64_t IndexHeader3::entries

Number of IndexEntry records that follow in this (sub)index block.

Definition at line 95 of file index.h.

Referenced by add_subindex_entries(), process_index_v3(), verify_index_v3(), and write_index_block().

◆ identifier

uint32_t IndexHeader3::identifier

Block identifier (must be BlockType::IndexBlock3).

Definition at line 94 of file index.h.

Referenced by add_subindex_entries(), process_index_v3(), verify_index_v3(), and write_index_block().

◆ previous

uint64_t IndexHeader3::previous

File offset of a previous IndexBlock3 header (0 if none / root segment).

Definition at line 97 of file index.h.

Referenced by write_index_block().

The documentation for this struct was generated from the following file:

include/aaruformat/structs/index.h