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/*
* Copyright (C) 2004-2008 Kay Sievers <kay.sievers@vrfy.org>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <stdlib.h>
#include <stdio.h>
#include <stddef.h>
#include <unistd.h>
#include <fcntl.h>
#include <errno.h>
#include <ctype.h>
#include <string.h>
#include <sys/ioctl.h>
#include <sys/socket.h>
#include <net/if.h>
#include <linux/sockios.h>
#include "udev.h"
#include "udev_rules.h"
struct udevice *udev_device_init(struct udev *udev)
{
struct udevice *udevice;
udevice = malloc(sizeof(struct udevice));
if (udevice == NULL)
return NULL;
memset(udevice, 0x00, sizeof(struct udevice));
udevice->udev = udev;
INIT_LIST_HEAD(&udevice->symlink_list);
INIT_LIST_HEAD(&udevice->run_list);
INIT_LIST_HEAD(&udevice->env_list);
/* set sysfs device to local storage, can be overridden if needed */
udevice->dev = &udevice->dev_local;
/* default node permissions */
udevice->mode = 0660;
strcpy(udevice->owner, "root");
strcpy(udevice->group, "root");
udevice->event_timeout = -1;
return udevice;
}
void udev_device_cleanup(struct udevice *udevice)
{
if (udevice == NULL)
return;
name_list_cleanup(udevice->udev, &udevice->symlink_list);
name_list_cleanup(udevice->udev, &udevice->run_list);
name_list_cleanup(udevice->udev, &udevice->env_list);
free(udevice);
}
dev_t udev_device_get_devt(struct udevice *udevice)
{
const char *attr;
unsigned int maj, min;
/* read it from sysfs */
attr = sysfs_attr_get_value(udevice->udev, udevice->dev->devpath, "dev");
if (attr != NULL) {
if (sscanf(attr, "%u:%u", &maj, &min) == 2)
return makedev(maj, min);
}
return makedev(0, 0);
}
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