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authorGreg KH <greg@press.(none)>2005-04-26 20:59:47 -0700
committerGreg KH <gregkh@suse.de>2005-04-26 20:59:47 -0700
commitf0083e3d4eb49e11fd7e37532dc64a6e6f5d4039 (patch)
treedda61d89fb9148447b3f301d3fa829f40d1cddeb /udev.c
added initial files.
Diffstat (limited to 'udev.c')
-rw-r--r--udev.c83
1 files changed, 83 insertions, 0 deletions
diff --git a/udev.c b/udev.c
new file mode 100644
index 0000000000..1ac1c98507
--- /dev/null
+++ b/udev.c
@@ -0,0 +1,83 @@
+/*
+ * udev.c
+ *
+ * Userspace devfs
+ *
+ * Copyright (C) 2003 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 "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;
+}
+