From f0083e3d4eb49e11fd7e37532dc64a6e6f5d4039 Mon Sep 17 00:00:00 2001 From: Greg KH Date: Tue, 26 Apr 2005 20:59:47 -0700 Subject: added initial files. --- udev.c | 83 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 83 insertions(+) create mode 100644 udev.c (limited to 'udev.c') diff --git a/udev.c b/udev.c new file mode 100644 index 00000000..1ac1c985 --- /dev/null +++ b/udev.c @@ -0,0 +1,83 @@ +/* + * udev.c + * + * Userspace devfs + * + * Copyright (C) 2003 Greg Kroah-Hartman + * + * + * 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 +#include +#include "udev.h" +#include "udev_version.h" + + +static char *get_action(void) +{ + char *action; + + action = getenv("ACTION"); + return action; +} + + +/* yeah this should be dynamically allocated... */ +static char device[255]; + +static char *get_device(void) +{ + char *temp; + + temp = getenv("DEVPATH"); + if (temp == NULL) + return NULL; + strcpy(device, SYSFS_ROOT); + strcat(device, temp); + + return device; +} + + +int main(int argc, char *argv[]) +{ + char *subsystem; + char *action; + char *dev; + + if (argc != 2) { + dbg ("unknown number of arguments"); + return 1; + } + + subsystem = argv[1]; + + action = get_action(); + if (!action) { + dbg ("no action?"); + return 1; + } + + dev = get_device(); + if (!dev) { + dbg ("no device?"); + return 1; + } + + return 0; +} + -- cgit 1.2.3-korg