#include "libudev-private.h"
#include "../udev.h"
+struct udev_device {
+ int refcount;
+ struct udev *udev;
+ char *devpath;
+ char *syspath;
+ char *devname;
+ char *subsystem;
+ struct list_head link_list;
+ struct list_head env_list;
+};
+
struct udev_device *device_init(struct udev *udev)
{
struct udev_device *udev_device;
/* resolve possible symlink to real path */
strlcpy(path, devpath, sizeof(path));
sysfs_resolve_link(path, sizeof(path));
- udev_device->devpath = strdup(path);
+ device_set_devpath(udev_device, devpath);
log_info(udev, "device %p has devpath '%s'\n", udev_device, udev_device_get_devpath(udev_device));
err = udev_db_get_device(udevice, path);
/**
* udev_device_get_udev:
+ * @udev_device: udev device
*
* Retrieve the udev library context the device was created with.
*
udev_device->refcount--;
if (udev_device->refcount > 0)
return;
- free(udev_device->devpath);
+ free(udev_device->syspath);
free(udev_device->devname);
free(udev_device->subsystem);
name_list_cleanup(&udev_device->link_list);
* udev_device_get_devpath:
* @udev_device: udev device
*
- * Retrieve the sys path of the udev device. The path does not contain
- * the sys mount point.
+ * Retrieve the kernel devpath value of the udev device. The path
+ * does not contain the sys mount point, and starts with a '/'.
*
- * Returns: the sys path of the udev device
+ * Returns: the devpath of the udev device
**/
const char *udev_device_get_devpath(struct udev_device *udev_device)
{
return udev_device->devpath;
}
+/**
+ * udev_device_get_syspath:
+ * @udev_device: udev device
+ *
+ * Retrieve the sys path of the udev device. The path is an
+ * absolute path and starts with the sys mount point.
+ *
+ * Returns: the sys path of the udev device
+ **/
+const char *udev_device_get_syspath(struct udev_device *udev_device)
+{
+ if (udev_device == NULL)
+ return NULL;
+ return udev_device->syspath;
+}
+
/**
* udev_device_get_devname:
* @udev_device: udev device
}
return count;
}
+
+int device_set_devpath(struct udev_device *udev_device, const char *devpath)
+{
+ if (asprintf(&udev_device->syspath, "%s%s", udev_get_sys_path(udev_device->udev), devpath) < 0)
+ return -ENOMEM;
+ udev_device->devpath = &udev_device->syspath[strlen(udev_get_sys_path(udev_device->udev))];
+ return 0;
+}
+
+int device_set_subsystem(struct udev_device *udev_device, const char *subsystem)
+{
+ udev_device->subsystem = strdup(subsystem);
+ if (udev_device->subsystem == NULL)
+ return -1;
+ return 0;
+}
+
+int device_set_devname(struct udev_device *udev_device, const char *devname)
+{
+ udev_device->devname = strdup(devname);
+ if (udev_device->devname == NULL)
+ return -ENOMEM;
+ return 0;
+}
+
+int device_add_devlink(struct udev_device *udev_device, const char *devlink)
+{
+ if (name_list_add(&udev_device->link_list, devlink, 0) == NULL)
+ return -ENOMEM;
+ return 0;
+}
+
+int device_add_property(struct udev_device *udev_device, const char *property)
+{
+ if (name_list_add(&udev_device->env_list, property, 0) == NULL)
+ return -ENOMEM;
+ return 0;
+}