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Sourcecode: udev version File versions

udevtest.c

/*
 * udevtest.c
 *
 * Userspace devfs
 *
 * Copyright (C) 2003,2004 Greg Kroah-Hartman <greg@kroah.com>
 *
 *    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 version 2 of the License.
 * 
 *    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, write to the Free Software Foundation, Inc.,
 *    675 Mass Ave, Cambridge, MA 02139, USA.
 *
 */

#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include <errno.h>
#include <ctype.h>
#include <signal.h>

#include "libsysfs/sysfs/libsysfs.h"
#include "udev.h"
#include "udev_sysfs.h"
#include "udev_utils.h"
#include "udev_version.h"
#include "udev_rules.h"
#include "logging.h"


#ifdef USE_LOG
void log_message (int level, const char *format, ...)
{
      va_list args;

      va_start(args, format);
      vprintf(format, args);
      va_end(args);
      if (format[strlen(format)-1] != '\n')
            printf("\n");
}
#endif

int main(int argc, char *argv[], char *envp[])
{
      struct sysfs_class_device *class_dev;
      char *devpath;
      char path[PATH_SIZE];
      char temp[PATH_SIZE];
      struct udevice udev;
      char *subsystem = NULL;

      info("version %s", UDEV_VERSION);

      if (argc < 2 || argc > 3) {
            info("Usage: udevtest <devpath> [subsystem]");
            return 1;
      }

      /* initialize our configuration */
      udev_init_config();

      /* remove sysfs_path if given */
      if (strncmp(argv[1], sysfs_path, strlen(sysfs_path)) == 0)
            devpath = &argv[1][strlen(sysfs_path)] ;
      else
            if (argv[1][0] != '/') {
                  /* prepend '/' if missing */
                  snprintf(temp, sizeof(temp), "/%s", argv[1]);
                  temp[sizeof(temp)-1] = '\0';
                  devpath = temp;
            } else
                  devpath = argv[1];

      info("looking at '%s'", devpath);

      /* initialize the naming deamon */
      udev_rules_init();

      if (argc == 3)
            subsystem = argv[2];

      /* fill in values and test_run flag*/
      udev_init_device(&udev, devpath, subsystem);

      /* skip subsystems without "dev", but handle net devices */
      if (udev.type != DEV_NET && subsystem_expect_no_dev(udev.subsystem)) {
            info("don't care about '%s' devices", udev.subsystem);
            return 2;
      }

      /* open the device */
      snprintf(path, sizeof(path), "%s%s", sysfs_path, udev.devpath);
      path[sizeof(path)-1] = '\0';
      class_dev = sysfs_open_class_device_path(path);
      if (class_dev == NULL) {
            info("sysfs_open_class_device_path failed");
            return 1;
      }

      info("opened class_dev->name='%s'", class_dev->name);

      /* simulate node creation with test flag */
      udev.test_run = 1;
      udev_add_device(&udev, class_dev);

      sysfs_close_class_device(class_dev);

      return 0;
}

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