From 7730dfb5e1fc7e2f8b1df0eb9ef62c451a5f725f Mon Sep 17 00:00:00 2001 From: "Anthony G. Basile" Date: Sat, 17 Nov 2012 16:22:12 -0500 Subject: Restructure src/ as per lu_zero --- src/libudev/libudev-hwdb-def.h | 74 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 74 insertions(+) create mode 100644 src/libudev/libudev-hwdb-def.h (limited to 'src/libudev/libudev-hwdb-def.h') diff --git a/src/libudev/libudev-hwdb-def.h b/src/libudev/libudev-hwdb-def.h new file mode 100644 index 0000000000..e167e2805b --- /dev/null +++ b/src/libudev/libudev-hwdb-def.h @@ -0,0 +1,74 @@ +/*** + This file is part of systemd. + + Copyright 2012 Kay Sievers + + systemd is free software; you can redistribute it and/or modify it + under the terms of the GNU Lesser General Public License as published by + the Free Software Foundation; either version 2.1 of the License, or + (at your option) any later version. + + systemd is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public License + along with systemd; If not, see . +***/ + +#ifndef _LIBUDEV_HWDB_DEF_H_ +#define _LIBUDEV_HWDB_DEF_H_ + +#include "sparse-endian.h" + +#define HWDB_SIG { 'K', 'S', 'L', 'P', 'H', 'H', 'R', 'H' } + +/* on-disk trie objects */ +_packed_ struct trie_header_f { + uint8_t signature[8]; + + /* version of tool which created the file */ + le64_t tool_version; + le64_t file_size; + + /* size of structures to allow them to grow */ + le64_t header_size; + le64_t node_size; + le64_t child_entry_size; + le64_t value_entry_size; + + /* offset of the root trie node */ + le64_t nodes_root_off; + + /* size of the nodes and string section */ + le64_t nodes_len; + le64_t strings_len; +}; + +_packed_ struct trie_node_f { + /* prefix of lookup string, shared by all children */ + le64_t prefix_off; + /* size of children entry array appended to the node */ + uint8_t children_count; + uint8_t padding[7]; + /* size of value entry array appended to the node */ + le64_t values_count; +}; + +/* array of child entries, follows directly the node record */ +_packed_ struct trie_child_entry_f { + /* index of the child node */ + uint8_t c; + uint8_t padding[7]; + /* offset of the child node */ + le64_t child_off; +}; + +/* array of value entries, follows directly the node record/child array */ +_packed_ struct trie_value_entry_f { + le64_t key_off; + le64_t value_off; +}; + +#endif -- cgit v1.2.3-54-g00ecf