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-rw-r--r--sysfsutils/test/get_device.c58
1 files changed, 58 insertions, 0 deletions
diff --git a/sysfsutils/test/get_device.c b/sysfsutils/test/get_device.c
new file mode 100644
index 0000000..4af1b8e
--- /dev/null
+++ b/sysfsutils/test/get_device.c
@@ -0,0 +1,58 @@
+/*
+ * get_device.c
+ *
+ * Utility to get details of a given device
+ *
+ * Copyright (C) IBM Corp. 2003-2005
+ *
+ * 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 <stdio.h>
+#include <stdlib.h>
+
+#include "libsysfs.h"
+
+static void print_usage(void)
+{
+ fprintf(stdout, "Usage: get_device [bus] [device]\n");
+}
+
+int main(int argc, char *argv[])
+{
+ struct sysfs_device *device = NULL;
+
+ if (argc != 3) {
+ print_usage();
+ return 1;
+ }
+
+ device = sysfs_open_device(argv[1], argv[2]);
+ if (device == NULL) {
+ fprintf(stdout, "Device \"%s\" not found on bus \"%s\"\n",
+ argv[2], argv[1]);
+ return 1;
+ }
+ fprintf(stdout, "device is on bus %s, using driver %s\n",
+ device->bus, device->driver_name);
+
+ struct sysfs_device *parent = sysfs_get_device_parent(device);
+ if (parent)
+ fprintf(stdout, "parent is %s\n", parent->name);
+ else
+ fprintf(stdout, "no parent\n");
+ return 0;
+}
+