23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen#include <errno.h>

07630cea1f3a845c09309f197ac7c4f11edd3b62Lennart Poettering#include <fnmatch.h>

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen#include <inttypes.h>

07630cea1f3a845c09309f197ac7c4f11edd3b62Lennart Poettering#include <stdio.h>

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen#include <stdlib.h>

07630cea1f3a845c09309f197ac7c4f11edd3b62Lennart Poettering#include <string.h>

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen#include <sys/mman.h>

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen#include "sd-hwdb.h"

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen

b5efdb8af40ea759a1ea584c1bc44ecc81dd00ceLennart Poettering#include "alloc-util.h"

3ffd4af22052963e7a29431721ee204e634bea75Lennart Poettering#include "fd-util.h"

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen#include "hashmap.h"

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen#include "hwdb-internal.h"

07630cea1f3a845c09309f197ac7c4f11edd3b62Lennart Poettering#include "hwdb-util.h"

07630cea1f3a845c09309f197ac7c4f11edd3b62Lennart Poettering#include "refcnt.h"

07630cea1f3a845c09309f197ac7c4f11edd3b62Lennart Poettering#include "string-util.h"

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersenstruct sd_hwdb {

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen RefCount n_ref;

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen int refcount;

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen FILE *f;

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen struct stat st;

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen union {

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen struct trie_header_f *head;

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen const char *map;

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen };

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen char *modalias;

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen OrderedHashmap *properties;

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen Iterator properties_iterator;

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen bool properties_modified;

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen};

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersenstruct linebuf {

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen char bytes[LINE_MAX];

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen size_t size;

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen size_t len;

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen};

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersenstatic void linebuf_init(struct linebuf *buf) {

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen buf->size = 0;

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen buf->len = 0;

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen}

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersenstatic const char *linebuf_get(struct linebuf *buf) {

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen if (buf->len + 1 >= sizeof(buf->bytes))

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen return NULL;

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen buf->bytes[buf->len] = '\0';

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen return buf->bytes;

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen}

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersenstatic bool linebuf_add(struct linebuf *buf, const char *s, size_t len) {

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen if (buf->len + len >= sizeof(buf->bytes))

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen return false;

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen memcpy(buf->bytes + buf->len, s, len);

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen buf->len += len;

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen return true;

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen}

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen

52efd56a6369e19c2400a42981a197cd2eef924aLennart Poetteringstatic bool linebuf_add_char(struct linebuf *buf, char c) {

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen if (buf->len + 1 >= sizeof(buf->bytes))

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen return false;

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen buf->bytes[buf->len++] = c;

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen return true;

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen}

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersenstatic void linebuf_rem(struct linebuf *buf, size_t count) {

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen assert(buf->len >= count);

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen buf->len -= count;

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen}

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersenstatic void linebuf_rem_char(struct linebuf *buf) {

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen linebuf_rem(buf, 1);

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen}

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersenstatic const struct trie_child_entry_f *trie_node_children(sd_hwdb *hwdb, const struct trie_node_f *node) {

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen return (const struct trie_child_entry_f *)((const char *)node + le64toh(hwdb->head->node_size));

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen}

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersenstatic const struct trie_value_entry_f *trie_node_values(sd_hwdb *hwdb, const struct trie_node_f *node) {

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen const char *base = (const char *)node;

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen base += le64toh(hwdb->head->node_size);

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen base += node->children_count * le64toh(hwdb->head->child_entry_size);

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen return (const struct trie_value_entry_f *)base;

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen}

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersenstatic const struct trie_node_f *trie_node_from_off(sd_hwdb *hwdb, le64_t off) {

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen return (const struct trie_node_f *)(hwdb->map + le64toh(off));

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen}

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersenstatic const char *trie_string(sd_hwdb *hwdb, le64_t off) {

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen return hwdb->map + le64toh(off);

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen}

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersenstatic int trie_children_cmp_f(const void *v1, const void *v2) {

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen const struct trie_child_entry_f *n1 = v1;

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen const struct trie_child_entry_f *n2 = v2;

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen return n1->c - n2->c;

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen}

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersenstatic const struct trie_node_f *node_lookup_f(sd_hwdb *hwdb, const struct trie_node_f *node, uint8_t c) {

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen struct trie_child_entry_f *child;

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen struct trie_child_entry_f search;

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen search.c = c;

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen child = bsearch(&search, trie_node_children(hwdb, node), node->children_count,

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen le64toh(hwdb->head->child_entry_size), trie_children_cmp_f);

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen if (child)

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen return trie_node_from_off(hwdb, child->child_off);

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen return NULL;

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen}

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersenstatic int hwdb_add_property(sd_hwdb *hwdb, const char *key, const char *value) {

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen int r;

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen assert(hwdb);

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen assert(key);

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen assert(value);

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen /*

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen if (key[0] != ' ')

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen return 0;

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen key++;

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen r = ordered_hashmap_ensure_allocated(&hwdb->properties, &string_hash_ops);

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen if (r < 0)

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen return r;

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen r = ordered_hashmap_replace(hwdb->properties, key, (char*)value);

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen if (r < 0)

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen return r;

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen hwdb->properties_modified = true;

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen return 0;

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen}

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersenstatic int trie_fnmatch_f(sd_hwdb *hwdb, const struct trie_node_f *node, size_t p,

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen struct linebuf *buf, const char *search) {

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen size_t len;

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen size_t i;

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen const char *prefix;

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen int err;

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen prefix = trie_string(hwdb, node->prefix_off);

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen len = strlen(prefix + p);

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen linebuf_add(buf, prefix + p, len);

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen for (i = 0; i < node->children_count; i++) {

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen const struct trie_child_entry_f *child = &trie_node_children(hwdb, node)[i];

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen linebuf_add_char(buf, child->c);

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen err = trie_fnmatch_f(hwdb, trie_node_from_off(hwdb, child->child_off), 0, buf, search);

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen if (err < 0)

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen return err;

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen linebuf_rem_char(buf);

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen }

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen if (le64toh(node->values_count) && fnmatch(linebuf_get(buf), search, 0) == 0)

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen for (i = 0; i < le64toh(node->values_count); i++) {

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen err = hwdb_add_property(hwdb, trie_string(hwdb, trie_node_values(hwdb, node)[i].key_off),

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen trie_string(hwdb, trie_node_values(hwdb, node)[i].value_off));

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen if (err < 0)

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen return err;

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen }

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen linebuf_rem(buf, len);

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen return 0;

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen}

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersenstatic int trie_search_f(sd_hwdb *hwdb, const char *search) {

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen struct linebuf buf;

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen const struct trie_node_f *node;

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen size_t i = 0;

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen int err;

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen linebuf_init(&buf);

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen node = trie_node_from_off(hwdb, hwdb->head->nodes_root_off);

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen while (node) {

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen const struct trie_node_f *child;

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen size_t p = 0;

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen if (node->prefix_off) {

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen uint8_t c;

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen for (; (c = trie_string(hwdb, node->prefix_off)[p]); p++) {

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen if (c == '*' || c == '?' || c == '[')

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen return trie_fnmatch_f(hwdb, node, p, &buf, search + i + p);

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen if (c != search[i + p])

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen return 0;

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen }

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen i += p;

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen }

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen child = node_lookup_f(hwdb, node, '*');

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen if (child) {

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen linebuf_add_char(&buf, '*');

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen err = trie_fnmatch_f(hwdb, child, 0, &buf, search + i);

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen if (err < 0)

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen return err;

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen linebuf_rem_char(&buf);

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen }

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen child = node_lookup_f(hwdb, node, '?');

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen if (child) {

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen linebuf_add_char(&buf, '?');

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen err = trie_fnmatch_f(hwdb, child, 0, &buf, search + i);

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen if (err < 0)

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen return err;

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen linebuf_rem_char(&buf);

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen }

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen child = node_lookup_f(hwdb, node, '[');

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen if (child) {

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen linebuf_add_char(&buf, '[');

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen err = trie_fnmatch_f(hwdb, child, 0, &buf, search + i);

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen if (err < 0)

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen return err;

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen linebuf_rem_char(&buf);

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen }

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen if (search[i] == '\0') {

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen size_t n;

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen for (n = 0; n < le64toh(node->values_count); n++) {

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen err = hwdb_add_property(hwdb, trie_string(hwdb, trie_node_values(hwdb, node)[n].key_off),

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen trie_string(hwdb, trie_node_values(hwdb, node)[n].value_off));

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen if (err < 0)

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen return err;

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen }

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen return 0;

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen }

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen child = node_lookup_f(hwdb, node, search[i]);

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen node = child;

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen i++;

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen }

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen return 0;

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen}

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersenstatic const char hwdb_bin_paths[] =

52efd56a6369e19c2400a42981a197cd2eef924aLennart Poettering "/etc/systemd/hwdb/hwdb.bin\0"

52efd56a6369e19c2400a42981a197cd2eef924aLennart Poettering "/etc/udev/hwdb.bin\0"

52efd56a6369e19c2400a42981a197cd2eef924aLennart Poettering "/usr/lib/systemd/hwdb/hwdb.bin\0"

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen#ifdef HAVE_SPLIT_USR

52efd56a6369e19c2400a42981a197cd2eef924aLennart Poettering "/lib/systemd/hwdb/hwdb.bin\0"

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen#endif

52efd56a6369e19c2400a42981a197cd2eef924aLennart Poettering UDEVLIBEXECDIR "/hwdb.bin\0";

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen_public_ int sd_hwdb_new(sd_hwdb **ret) {

4afd3348c7506dd1d36305b7bcb9feb8952b9d6bLennart Poettering _cleanup_(sd_hwdb_unrefp) sd_hwdb *hwdb = NULL;

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen const char *hwdb_bin_path;

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen const char sig[] = HWDB_SIG;

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen assert_return(ret, -EINVAL);

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen hwdb = new0(sd_hwdb, 1);

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen if (!hwdb)

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen return -ENOMEM;

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen hwdb->n_ref = REFCNT_INIT;

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen /* find hwdb.bin in hwdb_bin_paths */

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen NULSTR_FOREACH(hwdb_bin_path, hwdb_bin_paths) {

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen hwdb->f = fopen(hwdb_bin_path, "re");

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen if (hwdb->f)

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen break;

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen else if (errno == ENOENT)

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen continue;

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen else

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen return log_debug_errno(errno, "error reading %s: %m", hwdb_bin_path);

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen }

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen if (!hwdb->f) {

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen log_debug("hwdb.bin does not exist, please run udevadm hwdb --update");

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen return -ENOENT;

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen }

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen if (fstat(fileno(hwdb->f), &hwdb->st) < 0 ||

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen (size_t)hwdb->st.st_size < offsetof(struct trie_header_f, strings_len) + 8)

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen return log_debug_errno(errno, "error reading %s: %m", hwdb_bin_path);

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen hwdb->map = mmap(0, hwdb->st.st_size, PROT_READ, MAP_SHARED, fileno(hwdb->f), 0);

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen if (hwdb->map == MAP_FAILED)

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen return log_debug_errno(errno, "error mapping %s: %m", hwdb_bin_path);

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen if (memcmp(hwdb->map, sig, sizeof(hwdb->head->signature)) != 0 ||

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen (size_t)hwdb->st.st_size != le64toh(hwdb->head->file_size)) {

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen log_debug("error recognizing the format of %s", hwdb_bin_path);

7e518afab9fb55b8052f68888210927259275560Thomas Hindoe Paaboel Andersen return -EINVAL;

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen }

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen log_debug("=== trie on-disk ===");

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen log_debug("tool version: %"PRIu64, le64toh(hwdb->head->tool_version));

1fa2f38f0f011010bf57522b42fcc168856a7003Zbigniew Jędrzejewski-Szmek log_debug("file size: %8"PRIi64" bytes", hwdb->st.st_size);

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen log_debug("header size %8"PRIu64" bytes", le64toh(hwdb->head->header_size));

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen log_debug("strings %8"PRIu64" bytes", le64toh(hwdb->head->strings_len));

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen log_debug("nodes %8"PRIu64" bytes", le64toh(hwdb->head->nodes_len));

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen *ret = hwdb;

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen hwdb = NULL;

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen return 0;

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen}

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen_public_ sd_hwdb *sd_hwdb_ref(sd_hwdb *hwdb) {

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen assert_return(hwdb, NULL);

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen assert_se(REFCNT_INC(hwdb->n_ref) >= 2);

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen return hwdb;

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen}

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen_public_ sd_hwdb *sd_hwdb_unref(sd_hwdb *hwdb) {

f0c4b1c3fd827b429ba36aa45fd39e0a023cbf2cTom Gundersen if (hwdb && REFCNT_DEC(hwdb->n_ref) == 0) {

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen if (hwdb->map)

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen munmap((void *)hwdb->map, hwdb->st.st_size);

74ca738f6a01fb5fc19c5c3899f5cb1fdc1d7f68Lennart Poettering safe_fclose(hwdb->f);

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen free(hwdb->modalias);

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen ordered_hashmap_free(hwdb->properties);

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen free(hwdb);

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen }

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen return NULL;

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen}

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersenbool hwdb_validate(sd_hwdb *hwdb) {

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen bool found = false;

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen const char* p;

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen struct stat st;

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen if (!hwdb)

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen return false;

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen if (!hwdb->f)

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen return false;

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen /* if hwdb.bin doesn't exist anywhere, we need to update */

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen NULSTR_FOREACH(p, hwdb_bin_paths) {

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen if (stat(p, &st) >= 0) {

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen found = true;

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen break;

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen }

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen }

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen if (!found)

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen return true;

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen if (timespec_load(&hwdb->st.st_mtim) != timespec_load(&st.st_mtim))

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen return true;

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen return false;

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen}

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersenstatic int properties_prepare(sd_hwdb *hwdb, const char *modalias) {

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen _cleanup_free_ char *mod = NULL;

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen int r;

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen assert(hwdb);

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen assert(modalias);

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen if (streq_ptr(modalias, hwdb->modalias))

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen return 0;

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen mod = strdup(modalias);

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen if (!mod)

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen return -ENOMEM;

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen ordered_hashmap_clear(hwdb->properties);

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen hwdb->properties_modified = true;

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen r = trie_search_f(hwdb, modalias);

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen if (r < 0)

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen return r;

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen free(hwdb->modalias);

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen hwdb->modalias = mod;

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen mod = NULL;

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen return 0;

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen}

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen_public_ int sd_hwdb_get(sd_hwdb *hwdb, const char *modalias, const char *key, const char **_value) {

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen const char *value;

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen int r;

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen assert_return(hwdb, -EINVAL);

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen assert_return(hwdb->f, -EINVAL);

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen assert_return(modalias, -EINVAL);

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen assert_return(_value, -EINVAL);

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen r = properties_prepare(hwdb, modalias);

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen if (r < 0)

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen return r;

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen value = ordered_hashmap_get(hwdb->properties, key);

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen if (!value)

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen return -ENOENT;

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen *_value = value;

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen return 0;

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen}

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen_public_ int sd_hwdb_seek(sd_hwdb *hwdb, const char *modalias) {

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen int r;

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen assert_return(hwdb, -EINVAL);

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen assert_return(hwdb->f, -EINVAL);

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen assert_return(modalias, -EINVAL);

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen r = properties_prepare(hwdb, modalias);

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen if (r < 0)

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen return r;

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen hwdb->properties_modified = false;

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen hwdb->properties_iterator = ITERATOR_FIRST;

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen return 0;

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen}

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen_public_ int sd_hwdb_enumerate(sd_hwdb *hwdb, const char **key, const char **value) {

8927b1dad2d4a7330174cb924090b4635a2547fbDavid Herrmann const void *k;

8927b1dad2d4a7330174cb924090b4635a2547fbDavid Herrmann void *v;

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen assert_return(hwdb, -EINVAL);

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen assert_return(key, -EINVAL);

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen assert_return(value, -EINVAL);

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen if (hwdb->properties_modified)

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen return -EAGAIN;

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen

8927b1dad2d4a7330174cb924090b4635a2547fbDavid Herrmann ordered_hashmap_iterate(hwdb->properties, &hwdb->properties_iterator, &v, &k);

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen if (!k)

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen return 0;

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen *key = k;

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen *value = v;

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen return 1;

23fbe14f503c1e98292efc4ba1238adb7dc38d80Tom Gundersen}