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Diffstat (limited to 'src/libudev/libudev-hwdb.c')
-rw-r--r--src/libudev/libudev-hwdb.c146
1 files changed, 0 insertions, 146 deletions
diff --git a/src/libudev/libudev-hwdb.c b/src/libudev/libudev-hwdb.c
deleted file mode 100644
index a53f000015..0000000000
--- a/src/libudev/libudev-hwdb.c
+++ /dev/null
@@ -1,146 +0,0 @@
-/***
- This file is part of systemd.
-
- Copyright Tom Gundersen <teg@jklm.no>
-
- 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 "sd-hwdb.h"
-
-#include "alloc-util.h"
-#include "hwdb-util.h"
-#include "libudev-private.h"
-
-/**
- * SECTION:libudev-hwdb
- * @short_description: retrieve properties from the hardware database
- *
- * Libudev hardware database interface.
- */
-
-/**
- * udev_hwdb:
- *
- * Opaque object representing the hardware database.
- */
-struct udev_hwdb {
- struct udev *udev;
- int refcount;
-
- sd_hwdb *hwdb;
-
- struct udev_list properties_list;
-};
-
-/**
- * udev_hwdb_new:
- * @udev: udev library context
- *
- * Create a hardware database context to query properties for devices.
- *
- * Returns: a hwdb context.
- **/
-_public_ struct udev_hwdb *udev_hwdb_new(struct udev *udev) {
- _cleanup_(sd_hwdb_unrefp) sd_hwdb *hwdb_internal = NULL;
- struct udev_hwdb *hwdb;
- int r;
-
- assert_return(udev, NULL);
-
- r = sd_hwdb_new(&hwdb_internal);
- if (r < 0)
- return NULL;
-
- hwdb = new0(struct udev_hwdb, 1);
- if (!hwdb)
- return NULL;
-
- hwdb->refcount = 1;
- hwdb->hwdb = hwdb_internal;
- hwdb_internal = NULL;
-
- udev_list_init(udev, &hwdb->properties_list, true);
-
- return hwdb;
-}
-
-/**
- * udev_hwdb_ref:
- * @hwdb: context
- *
- * Take a reference of a hwdb context.
- *
- * Returns: the passed enumeration context
- **/
-_public_ struct udev_hwdb *udev_hwdb_ref(struct udev_hwdb *hwdb) {
- if (!hwdb)
- return NULL;
- hwdb->refcount++;
- return hwdb;
-}
-
-/**
- * udev_hwdb_unref:
- * @hwdb: context
- *
- * Drop a reference of a hwdb context. If the refcount reaches zero,
- * all resources of the hwdb context will be released.
- *
- * Returns: #NULL
- **/
-_public_ struct udev_hwdb *udev_hwdb_unref(struct udev_hwdb *hwdb) {
- if (!hwdb)
- return NULL;
- hwdb->refcount--;
- if (hwdb->refcount > 0)
- return NULL;
- sd_hwdb_unref(hwdb->hwdb);
- udev_list_cleanup(&hwdb->properties_list);
- free(hwdb);
- return NULL;
-}
-
-/**
- * udev_hwdb_get_properties_list_entry:
- * @hwdb: context
- * @modalias: modalias string
- * @flags: (unused)
- *
- * Lookup a matching device in the hardware database. The lookup key is a
- * modalias string, whose formats are defined for the Linux kernel modules.
- * Examples are: pci:v00008086d00001C2D*, usb:v04F2pB221*. The first entry
- * of a list of retrieved properties is returned.
- *
- * Returns: a udev_list_entry.
- */
-_public_ struct udev_list_entry *udev_hwdb_get_properties_list_entry(struct udev_hwdb *hwdb, const char *modalias, unsigned int flags) {
- const char *key, *value;
-
- if (!hwdb || !modalias) {
- errno = EINVAL;
- return NULL;
- }
-
- udev_list_cleanup(&hwdb->properties_list);
-
- SD_HWDB_FOREACH_PROPERTY(hwdb->hwdb, modalias, key, value) {
- if (udev_list_entry_add(&hwdb->properties_list, key, value) == NULL) {
- errno = ENOMEM;
- return NULL;
- }
- }
-
- return udev_list_get_entry(&hwdb->properties_list);
-}