/*
- * udevtest.c
- *
* Copyright (C) 2003-2004 Greg Kroah-Hartman <greg@kroah.com>
+ * Copyright (C) 2004-2006 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
*
* 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.
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
int main(int argc, char *argv[], char *envp[])
{
- struct udev_rules rules;
- char *devpath;
+ struct udev_rules rules = {};
+ char *devpath = NULL;
struct udevice *udev;
struct sysfs_device *dev;
+ int i;
int retval;
int rc = 0;
info("version %s", UDEV_VERSION);
-
- /* initialize our configuration */
udev_config_init();
if (udev_log_priority < LOG_INFO)
udev_log_priority = LOG_INFO;
- if (argc != 2) {
- info("Usage: udevtest <devpath>");
- return 1;
+ for (i = 1 ; i < argc; i++) {
+ char *arg = argv[i];
+
+ if (strcmp(arg, "--help") == 0 || strcmp(arg, "-h") == 0) {
+ printf("Usage: udevtest [--help] <devpath>\n");
+ goto exit;
+ } else
+ devpath = arg;
+ }
+
+ if (devpath == NULL) {
+ fprintf(stderr, "devpath parameter missing\n");
+ rc = 1;
+ goto exit;
}
sysfs_init();
+ udev_rules_init(&rules, 0);
/* remove /sys if given */
- if (strncmp(argv[1], sysfs_path, strlen(sysfs_path)) == 0)
- devpath = &argv[1][strlen(sysfs_path)];
- else
- devpath = argv[1];
-
- udev_rules_init(&rules, 0);
+ if (strncmp(devpath, sysfs_path, strlen(sysfs_path)) == 0)
+ devpath = &devpath[strlen(sysfs_path)];
dev = sysfs_device_get(devpath);
if (dev == NULL) {
- info("unable to open '%s'", devpath);
+ fprintf(stderr, "unable to open device '%s'\n", devpath);
rc = 2;
goto exit;
}
udev = udev_device_init();
if (udev == NULL) {
- info("can't open device");
+ fprintf(stderr, "error initializing device\n");
rc = 3;
goto exit;
}
setenv("SUBSYSTEM", udev->dev->subsystem, 1);
setenv("ACTION", "add", 1);
+ printf("This program is for debugging only, it does not create any node,\n"
+ "or run any program specified by a RUN key. It may show incorrect results,\n"
+ "if rules match against subsystem specfic kernel event variables.\n"
+ "\n");
+
info("looking at device '%s' from subsystem '%s'", udev->dev->devpath, udev->dev->subsystem);
retval = udev_device_event(&rules, udev);
if (retval == 0 && !udev->ignore_device && udev_run) {