Remove src/hwdb

2 files changed, 0 insertions, 739 deletions

diff --git a/src/hwdb/Makefile b/src/hwdb/Makefile
deleted file mode 120000
index d0b0e8e00..000000000
--- a/src/hwdb/Makefile
+++ /dev/null
@@ -1 +0,0 @@
-../Makefile
\ No newline at end of file
diff --git a/src/hwdb/hwdb.c b/src/hwdb/hwdb.c
deleted file mode 100644
index 446de3a2f..000000000
--- a/src/hwdb/hwdb.c
+++ /dev/null
@@ -1,738 +0,0 @@
-/***
-  This file is part of systemd.
-
-  Copyright 2012 Kay Sievers <kay@vrfy.org>
-
-  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 <http://www.gnu.org/licenses/>.
-***/
-
-#include <stdlib.h>
-#include <getopt.h>
-#include <string.h>
-#include <ctype.h>
-
-#include "util.h"
-#include "strbuf.h"
-#include "conf-files.h"
-#include "strv.h"
-#include "mkdir.h"
-#include "verbs.h"
-#include "build.h"
-
-#include "hwdb-internal.h"
-#include "hwdb-util.h"
-
-/*
- * Generic udev properties, key/value database based on modalias strings.
- * Uses a Patricia/radix trie to index all matches for efficient lookup.
- */
-
-static const char *arg_hwdb_bin_dir = "/etc/udev";
-static const char *arg_root = "";
-
-static const char * const conf_file_dirs[] = {
-        "/etc/udev/hwdb.d",
-        UDEVLIBEXECDIR "/hwdb.d",
-        NULL
-};
-
-/* in-memory trie objects */
-struct trie {
-        struct trie_node *root;
-        struct strbuf *strings;
-
-        size_t nodes_count;
-        size_t children_count;
-        size_t values_count;
-};
-
-struct trie_node {
-        /* prefix, common part for all children of this node */
-        size_t prefix_off;
-
-        /* sorted array of pointers to children nodes */
-        struct trie_child_entry *children;
-        uint8_t children_count;
-
-        /* sorted array of key/value pairs */
-        struct trie_value_entry *values;
-        size_t values_count;
-};
-
-/* children array item with char (0-255) index */
-struct trie_child_entry {
-        uint8_t c;
-        struct trie_node *child;
-};
-
-/* value array item with key/value pairs */
-struct trie_value_entry {
-        size_t key_off;
-        size_t value_off;
-};
-
-static int trie_children_cmp(const void *v1, const void *v2) {
-        const struct trie_child_entry *n1 = v1;
-        const struct trie_child_entry *n2 = v2;
-
-        return n1->c - n2->c;
-}
-
-static int node_add_child(struct trie *trie, struct trie_node *node, struct trie_node *node_child, uint8_t c) {
-        struct trie_child_entry *child;
-
-        /* extend array, add new entry, sort for bisection */
-        child = realloc(node->children, (node->children_count + 1) * sizeof(struct trie_child_entry));
-        if (!child)
-                return -ENOMEM;
-
-        node->children = child;
-        trie->children_count++;
-        node->children[node->children_count].c = c;
-        node->children[node->children_count].child = node_child;
-        node->children_count++;
-        qsort(node->children, node->children_count, sizeof(struct trie_child_entry), trie_children_cmp);
-        trie->nodes_count++;
-
-        return 0;
-}
-
-static struct trie_node *node_lookup(const struct trie_node *node, uint8_t c) {
-        struct trie_child_entry *child;
-        struct trie_child_entry search;
-
-        search.c = c;
-        child = bsearch(&search, node->children, node->children_count, sizeof(struct trie_child_entry), trie_children_cmp);
-        if (child)
-                return child->child;
-        return NULL;
-}
-
-static void trie_node_cleanup(struct trie_node *node) {
-        size_t i;
-
-        for (i = 0; i < node->children_count; i++)
-                trie_node_cleanup(node->children[i].child);
-        free(node->children);
-        free(node->values);
-        free(node);
-}
-
-static void trie_free(struct trie *trie) {
-        if (!trie)
-                return;
-
-        if (trie->root)
-                trie_node_cleanup(trie->root);
-
-        strbuf_cleanup(trie->strings);
-        free(trie);
-}
-
-DEFINE_TRIVIAL_CLEANUP_FUNC(struct trie*, trie_free);
-
-static int trie_values_cmp(const void *v1, const void *v2, void *arg) {
-        const struct trie_value_entry *val1 = v1;
-        const struct trie_value_entry *val2 = v2;
-        struct trie *trie = arg;
-
-        return strcmp(trie->strings->buf + val1->key_off,
-                      trie->strings->buf + val2->key_off);
-}
-
-static int trie_node_add_value(struct trie *trie, struct trie_node *node,
-                          const char *key, const char *value) {
-        ssize_t k, v;
-        struct trie_value_entry *val;
-
-        k = strbuf_add_string(trie->strings, key, strlen(key));
-        if (k < 0)
-                return k;
-        v = strbuf_add_string(trie->strings, value, strlen(value));
-        if (v < 0)
-                return v;
-
-        if (node->values_count) {
-                struct trie_value_entry search = {
-                        .key_off = k,
-                        .value_off = v,
-                };
-
-                val = xbsearch_r(&search, node->values, node->values_count, sizeof(struct trie_value_entry), trie_values_cmp, trie);
-                if (val) {
-                        /* replace existing earlier key with new value */
-                        val->value_off = v;
-                        return 0;
-                }
-        }
-
-        /* extend array, add new entry, sort for bisection */
-        val = realloc(node->values, (node->values_count + 1) * sizeof(struct trie_value_entry));
-        if (!val)
-                return -ENOMEM;
-        trie->values_count++;
-        node->values = val;
-        node->values[node->values_count].key_off = k;
-        node->values[node->values_count].value_off = v;
-        node->values_count++;
-        qsort_r(node->values, node->values_count, sizeof(struct trie_value_entry), trie_values_cmp, trie);
-        return 0;
-}
-
-static int trie_insert(struct trie *trie, struct trie_node *node, const char *search,
-                       const char *key, const char *value) {
-        size_t i = 0;
-        int err = 0;
-
-        for (;;) {
-                size_t p;
-                uint8_t c;
-                struct trie_node *child;
-
-                for (p = 0; (c = trie->strings->buf[node->prefix_off + p]); p++) {
-                        _cleanup_free_ char *s = NULL;
-                        ssize_t off;
-                        _cleanup_free_ struct trie_node *new_child = NULL;
-
-                        if (c == search[i + p])
-                                continue;
-
-                        /* split node */
-                        new_child = new0(struct trie_node, 1);
-                        if (!new_child)
-                                return -ENOMEM;
-
-                        /* move values from parent to child */
-                        new_child->prefix_off = node->prefix_off + p+1;
-                        new_child->children = node->children;
-                        new_child->children_count = node->children_count;
-                        new_child->values = node->values;
-                        new_child->values_count = node->values_count;
-
-                        /* update parent; use strdup() because the source gets realloc()d */
-                        s = strndup(trie->strings->buf + node->prefix_off, p);
-                        if (!s)
-                                return -ENOMEM;
-
-                        off = strbuf_add_string(trie->strings, s, p);
-                        if (off < 0)
-                                return off;
-
-                        node->prefix_off = off;
-                        node->children = NULL;
-                        node->children_count = 0;
-                        node->values = NULL;
-                        node->values_count = 0;
-                        err = node_add_child(trie, node, new_child, c);
-                        if (err < 0)
-                                return err;
-
-                        new_child = NULL; /* avoid cleanup */
-                        break;
-                }
-                i += p;
-
-                c = search[i];
-                if (c == '\0')
-                        return trie_node_add_value(trie, node, key, value);
-
-                child = node_lookup(node, c);
-                if (!child) {
-                        ssize_t off;
-
-                        /* new child */
-                        child = new0(struct trie_node, 1);
-                        if (!child)
-                                return -ENOMEM;
-
-                        off = strbuf_add_string(trie->strings, search + i+1, strlen(search + i+1));
-                        if (off < 0) {
-                                free(child);
-                                return off;
-                        }
-
-                        child->prefix_off = off;
-                        err = node_add_child(trie, node, child, c);
-                        if (err < 0) {
-                                free(child);
-                                return err;
-                        }
-
-                        return trie_node_add_value(trie, child, key, value);
-                }
-
-                node = child;
-                i++;
-        }
-}
-
-struct trie_f {
-        FILE *f;
-        struct trie *trie;
-        uint64_t strings_off;
-
-        uint64_t nodes_count;
-        uint64_t children_count;
-        uint64_t values_count;
-};
-
-/* calculate the storage space for the nodes, children arrays, value arrays */
-static void trie_store_nodes_size(struct trie_f *trie, struct trie_node *node) {
-        uint64_t i;
-
-        for (i = 0; i < node->children_count; i++)
-                trie_store_nodes_size(trie, node->children[i].child);
-
-        trie->strings_off += sizeof(struct trie_node_f);
-        for (i = 0; i < node->children_count; i++)
-                trie->strings_off += sizeof(struct trie_child_entry_f);
-        for (i = 0; i < node->values_count; i++)
-                trie->strings_off += sizeof(struct trie_value_entry_f);
-}
-
-static int64_t trie_store_nodes(struct trie_f *trie, struct trie_node *node) {
-        uint64_t i;
-        struct trie_node_f n = {
-                .prefix_off = htole64(trie->strings_off + node->prefix_off),
-                .children_count = node->children_count,
-                .values_count = htole64(node->values_count),
-        };
-        struct trie_child_entry_f *children = NULL;
-        int64_t node_off;
-
-        if (node->children_count) {
-                children = new0(struct trie_child_entry_f, node->children_count);
-                if (!children)
-                        return -ENOMEM;
-        }
-
-        /* post-order recursion */
-        for (i = 0; i < node->children_count; i++) {
-                int64_t child_off;
-
-                child_off = trie_store_nodes(trie, node->children[i].child);
-                if (child_off < 0) {
-                        free(children);
-                        return child_off;
-                }
-                children[i].c = node->children[i].c;
-                children[i].child_off = htole64(child_off);
-        }
-
-        /* write node */
-        node_off = ftello(trie->f);
-        fwrite(&n, sizeof(struct trie_node_f), 1, trie->f);
-        trie->nodes_count++;
-
-        /* append children array */
-        if (node->children_count) {
-                fwrite(children, sizeof(struct trie_child_entry_f), node->children_count, trie->f);
-                trie->children_count += node->children_count;
-                free(children);
-        }
-
-        /* append values array */
-        for (i = 0; i < node->values_count; i++) {
-                struct trie_value_entry_f v = {
-                        .key_off = htole64(trie->strings_off + node->values[i].key_off),
-                        .value_off = htole64(trie->strings_off + node->values[i].value_off),
-                };
-
-                fwrite(&v, sizeof(struct trie_value_entry_f), 1, trie->f);
-                trie->values_count++;
-        }
-
-        return node_off;
-}
-
-static int trie_store(struct trie *trie, const char *filename) {
-        struct trie_f t = {
-                .trie = trie,
-        };
-        _cleanup_free_ char *filename_tmp = NULL;
-        int64_t pos;
-        int64_t root_off;
-        int64_t size;
-        struct trie_header_f h = {
-                .signature = HWDB_SIG,
-                .tool_version = htole64(atoi(VERSION)),
-                .header_size = htole64(sizeof(struct trie_header_f)),
-                .node_size = htole64(sizeof(struct trie_node_f)),
-                .child_entry_size = htole64(sizeof(struct trie_child_entry_f)),
-                .value_entry_size = htole64(sizeof(struct trie_value_entry_f)),
-        };
-        int err;
-
-        /* calculate size of header, nodes, children entries, value entries */
-        t.strings_off = sizeof(struct trie_header_f);
-        trie_store_nodes_size(&t, trie->root);
-
-        err = fopen_temporary(filename , &t.f, &filename_tmp);
-        if (err < 0)
-                return err;
-        fchmod(fileno(t.f), 0444);
-
-        /* write nodes */
-        err = fseeko(t.f, sizeof(struct trie_header_f), SEEK_SET);
-        if (err < 0) {
-                fclose(t.f);
-                unlink_noerrno(filename_tmp);
-                return -errno;
-        }
-        root_off = trie_store_nodes(&t, trie->root);
-        h.nodes_root_off = htole64(root_off);
-        pos = ftello(t.f);
-        h.nodes_len = htole64(pos - sizeof(struct trie_header_f));
-
-        /* write string buffer */
-        fwrite(trie->strings->buf, trie->strings->len, 1, t.f);
-        h.strings_len = htole64(trie->strings->len);
-
-        /* write header */
-        size = ftello(t.f);
-        h.file_size = htole64(size);
-        err = fseeko(t.f, 0, SEEK_SET);
-        if (err < 0) {
-                fclose(t.f);
-                unlink_noerrno(filename_tmp);
-                return -errno;
-        }
-        fwrite(&h, sizeof(struct trie_header_f), 1, t.f);
-        err = ferror(t.f);
-        if (err)
-                err = -errno;
-        fclose(t.f);
-        if (err < 0 || rename(filename_tmp, filename) < 0) {
-                unlink_noerrno(filename_tmp);
-                return err < 0 ? err : -errno;
-        }
-
-        log_debug("=== trie on-disk ===");
-        log_debug("size:             %8"PRIi64" bytes", size);
-        log_debug("header:           %8zu bytes", sizeof(struct trie_header_f));
-        log_debug("nodes:            %8"PRIu64" bytes (%8"PRIu64")",
-                  t.nodes_count * sizeof(struct trie_node_f), t.nodes_count);
-        log_debug("child pointers:   %8"PRIu64" bytes (%8"PRIu64")",
-                  t.children_count * sizeof(struct trie_child_entry_f), t.children_count);
-        log_debug("value pointers:   %8"PRIu64" bytes (%8"PRIu64")",
-                  t.values_count * sizeof(struct trie_value_entry_f), t.values_count);
-        log_debug("string store:     %8zu bytes", trie->strings->len);
-        log_debug("strings start:    %8"PRIu64, t.strings_off);
-
-        return 0;
-}
-
-static int insert_data(struct trie *trie, char **match_list, char *line, const char *filename) {
-        char *value, **entry;
-
-        value = strchr(line, '=');
-        if (!value) {
-                log_error("Error, key/value pair expected but got '%s' in '%s':", line, filename);
-                return -EINVAL;
-        }
-
-        value[0] = '\0';
-        value++;
-
-        /* libudev requires properties to start with a space */
-        while (isblank(line[0]) && isblank(line[1]))
-                line++;
-
-        if (line[0] == '\0' || value[0] == '\0') {
-                log_error("Error, empty key or value '%s' in '%s':", line, filename);
-                return -EINVAL;
-        }
-
-        STRV_FOREACH(entry, match_list)
-                trie_insert(trie, trie->root, *entry, line, value);
-
-        return 0;
-}
-
-static int import_file(struct trie *trie, const char *filename) {
-        enum {
-                HW_NONE,
-                HW_MATCH,
-                HW_DATA,
-        } state = HW_NONE;
-        _cleanup_fclose_ FILE *f = NULL;
-        char line[LINE_MAX];
-        _cleanup_strv_free_ char **match_list = NULL;
-        char *match = NULL;
-        int r;
-
-        f = fopen(filename, "re");
-        if (!f)
-                return -errno;
-
-        while (fgets(line, sizeof(line), f)) {
-                size_t len;
-                char *pos;
-
-                /* comment line */
-                if (line[0] == '#')
-                        continue;
-
-                /* strip trailing comment */
-                pos = strchr(line, '#');
-                if (pos)
-                        pos[0] = '\0';
-
-                /* strip trailing whitespace */
-                len = strlen(line);
-                while (len > 0 && isspace(line[len-1]))
-                        len--;
-                line[len] = '\0';
-
-                switch (state) {
-                case HW_NONE:
-                        if (len == 0)
-                                break;
-
-                        if (line[0] == ' ') {
-                                log_error("Error, MATCH expected but got '%s' in '%s':", line, filename);
-                                break;
-                        }
-
-                        /* start of record, first match */
-                        state = HW_MATCH;
-
-                        match = strdup(line);
-                        if (!match)
-                                return -ENOMEM;
-
-                        r = strv_consume(&match_list, match);
-                        if (r < 0)
-                                return r;
-
-                        break;
-
-                case HW_MATCH:
-                        if (len == 0) {
-                                log_error("Error, DATA expected but got empty line in '%s':", filename);
-                                state = HW_NONE;
-                                strv_clear(match_list);
-                                break;
-                        }
-
-                        /* another match */
-                        if (line[0] != ' ') {
-                                match = strdup(line);
-                                if (!match)
-                                        return -ENOMEM;
-
-                                r = strv_consume(&match_list, match);
-                                if (r < 0)
-                                        return r;
-
-                                break;
-                        }
-
-                        /* first data */
-                        state = HW_DATA;
-                        insert_data(trie, match_list, line, filename);
-                        break;
-
-                case HW_DATA:
-                        /* end of record */
-                        if (len == 0) {
-                                state = HW_NONE;
-                                strv_clear(match_list);
-                                break;
-                        }
-
-                        if (line[0] != ' ') {
-                                log_error("Error, DATA expected but got '%s' in '%s':", line, filename);
-                                state = HW_NONE;
-                                strv_clear(match_list);
-                                break;
-                        }
-
-                        insert_data(trie, match_list, line, filename);
-                        break;
-                };
-        }
-
-        return 0;
-}
-
-static int hwdb_query(int argc, char *argv[], void *userdata) {
-        _cleanup_hwdb_unref_ sd_hwdb *hwdb = NULL;
-        const char *key, *value;
-        const char *modalias;
-        int r;
-
-        assert(argc >= 2);
-        assert(argv);
-
-        modalias = argv[1];
-
-        r = sd_hwdb_new(&hwdb);
-        if (r < 0)
-                return r;
-
-        SD_HWDB_FOREACH_PROPERTY(hwdb, modalias, key, value)
-                printf("%s=%s\n", key, value);
-
-        return 0;
-}
-
-static int hwdb_update(int argc, char *argv[], void *userdata) {
-        _cleanup_free_ char *hwdb_bin = NULL;
-        _cleanup_(trie_freep) struct trie *trie = NULL;
-        char **files, **f;
-        int r;
-
-        trie = new0(struct trie, 1);
-        if (!trie)
-                return -ENOMEM;
-
-        /* string store */
-        trie->strings = strbuf_new();
-        if (!trie->strings)
-                return -ENOMEM;
-
-        /* index */
-        trie->root = new0(struct trie_node, 1);
-        if (!trie->root)
-                return -ENOMEM;
-
-        trie->nodes_count++;
-
-        r = conf_files_list_strv(&files, ".hwdb", arg_root, conf_file_dirs);
-        if (r < 0)
-                return log_error_errno(r, "failed to enumerate hwdb files: %m");
-
-        STRV_FOREACH(f, files) {
-                log_debug("reading file '%s'", *f);
-                import_file(trie, *f);
-        }
-        strv_free(files);
-
-        strbuf_complete(trie->strings);
-
-        log_debug("=== trie in-memory ===");
-        log_debug("nodes:            %8zu bytes (%8zu)",
-                  trie->nodes_count * sizeof(struct trie_node), trie->nodes_count);
-        log_debug("children arrays:  %8zu bytes (%8zu)",
-                  trie->children_count * sizeof(struct trie_child_entry), trie->children_count);
-        log_debug("values arrays:    %8zu bytes (%8zu)",
-                  trie->values_count * sizeof(struct trie_value_entry), trie->values_count);
-        log_debug("strings:          %8zu bytes",
-                  trie->strings->len);
-        log_debug("strings incoming: %8zu bytes (%8zu)",
-                  trie->strings->in_len, trie->strings->in_count);
-        log_debug("strings dedup'ed: %8zu bytes (%8zu)",
-                  trie->strings->dedup_len, trie->strings->dedup_count);
-
-        hwdb_bin = strjoin(arg_root, "/", arg_hwdb_bin_dir, "/hwdb.bin", NULL);
-        if (!hwdb_bin)
-                return -ENOMEM;
-
-        mkdir_parents(hwdb_bin, 0755);
-        r = trie_store(trie, hwdb_bin);
-        if (r < 0)
-                return log_error_errno(r, "Failure writing database %s: %m", hwdb_bin);
-
-        return 0;
-}
-
-static void help(void) {
-        printf("Usage: %s OPTIONS COMMAND\n\n"
-               "Update or query the hardware database.\n\n"
-               "  -h --help            Show this help\n"
-               "     --version         Show package version\n"
-               "     --usr             Generate in " UDEVLIBEXECDIR " instead of /etc/udev\n"
-               "  -r --root=PATH       Alternative root path in the filesystem\n\n"
-               "Commands:\n"
-               "  update               Update the hwdb database\n"
-               "  query MODALIAS       Query database and print result\n",
-               program_invocation_short_name);
-}
-
-static int parse_argv(int argc, char *argv[]) {
-        enum {
-                ARG_VERSION = 0x100,
-                ARG_USR,
-        };
-
-        static const struct option options[] = {
-                { "help",     no_argument,       NULL, 'h'         },
-                { "version",  no_argument,       NULL, ARG_VERSION },
-                { "usr",      no_argument,       NULL, ARG_USR     },
-                { "root",     required_argument, NULL, 'r'         },
-                {}
-        };
-
-        int c;
-
-        assert(argc >= 0);
-        assert(argv);
-
-        while ((c = getopt_long(argc, argv, "ut:r:h", options, NULL)) >= 0) {
-                switch(c) {
-
-                case 'h':
-                        help();
-                        return 0;
-
-                case ARG_VERSION:
-                        puts(PACKAGE_STRING);
-                        puts(SYSTEMD_FEATURES);
-                        return 0;
-
-                case ARG_USR:
-                        arg_hwdb_bin_dir = UDEVLIBEXECDIR;
-                        break;
-
-                case 'r':
-                        arg_root = optarg;
-                        break;
-
-                case '?':
-                        return -EINVAL;
-
-                default:
-                        assert_not_reached("Unknown option");
-                }
-        }
-
-        return 1;
-}
-
-static int hwdb_main(int argc, char *argv[]) {
-        const Verb verbs[] = {
-                { "update", 1, 1, 0, hwdb_update },
-                { "query",  2, 2, 0, hwdb_query  },
-                {},
-        };
-
-        return dispatch_verb(argc, argv, verbs, NULL);
-}
-
-int main (int argc, char *argv[]) {
-        int r;
-
-        log_parse_environment();
-        log_open();
-
-        r = parse_argv(argc, argv);
-        if (r <= 0)
-                goto finish;
-
-        r = hwdb_main(argc, argv);
-
-finish:
-        return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS;
-}