66 lines
1.7 KiB
C
66 lines
1.7 KiB
C
/* SPDX-License-Identifier: LGPL-2.1-or-later */
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#pragma once
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#include <stdint.h>
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#include "sparse-endian.h"
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#define HWDB_SIG { 'K', 'S', 'L', 'P', 'H', 'H', 'R', 'H' }
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/* on-disk trie objects */
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struct trie_header_f {
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uint8_t signature[8];
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/* version of tool which created the file */
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le64_t tool_version;
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le64_t file_size;
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/* size of structures to allow them to grow */
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le64_t header_size;
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le64_t node_size;
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le64_t child_entry_size;
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le64_t value_entry_size;
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/* offset of the root trie node */
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le64_t nodes_root_off;
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/* size of the nodes and string section */
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le64_t nodes_len;
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le64_t strings_len;
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} _packed_;
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struct trie_node_f {
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/* prefix of lookup string, shared by all children */
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le64_t prefix_off;
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/* size of children entry array appended to the node */
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uint8_t children_count;
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uint8_t padding[7];
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/* size of value entry array appended to the node */
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le64_t values_count;
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} _packed_;
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/* array of child entries, follows directly the node record */
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struct trie_child_entry_f {
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/* index of the child node */
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uint8_t c;
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uint8_t padding[7];
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/* offset of the child node */
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le64_t child_off;
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} _packed_;
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/* array of value entries, follows directly the node record/child array */
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struct trie_value_entry_f {
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le64_t key_off;
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le64_t value_off;
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} _packed_;
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/* v2 extends v1 with filename and line-number */
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struct trie_value_entry2_f {
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le64_t key_off;
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le64_t value_off;
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le64_t filename_off;
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le32_t line_number;
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le16_t file_priority;
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le16_t padding;
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} _packed_;
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