1 files changed, 85 insertions, 0 deletions
diff --git a/test/get_driver.c b/test/get_driver.c
new file mode 100644
index 0000000..0a808a6
--- /dev/null
+++ b/test/get_driver.c
@@ -0,0 +1,85 @@
+/*
+ * get_driver.c
+ *
+ * Utility to get details of the given driver
+ *
+ * Copyright (C) IBM Corp. 2003
+ *
+ *      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 <string.h>
+
+#include "libsysfs.h"
+
+static void print_usage(void)
+{
+        fprintf(stdout, "Usage: get_driver [driver]\n");
+}
+
+int main(int argc, char *argv[])
+{
+	char *bus = NULL, path[SYSFS_PATH_MAX];
+	struct sysfs_driver *driver = NULL;
+	struct sysfs_device *device = NULL;
+	struct dlist *devlist = NULL;
+
+	if (argc != 2) {
+		print_usage();
+		return 1;
+	}
+
+	memset(path, 0, SYSFS_PATH_MAX);
+	bus = (char *)calloc(1, SYSFS_NAME_LEN);
+	if ((sysfs_find_driver_bus(argv[1], bus, SYSFS_NAME_LEN)) < 0) {
+		fprintf(stdout, "Driver %s not found\n", argv[1]);
+		free(bus);
+		return 1;
+	}
+	fprintf(stdout, "Driver %s is a member of bus %s\n", argv[1], bus);
+	
+	if ((sysfs_get_mnt_path(path, SYSFS_PATH_MAX)) != 0) {
+		fprintf(stdout, "Sysfs not mounted?\n");
+		return 1;
+	}
+	strcat(path, "/");
+	strcat(path, SYSFS_BUS_NAME);
+	strcat(path, "/");
+	strcat(path, bus);
+	strcat(path, "/");
+	strcat(path, SYSFS_DRIVERS_NAME);
+	strcat(path, "/");
+	strcat(path, argv[1]);
+	driver = sysfs_open_driver_path(path);
+	if (driver == NULL) {
+		fprintf(stdout, "Device %s not found\n", argv[1]);
+		free(bus);
+		return 1;
+	}
+	devlist = sysfs_get_driver_devices(driver);
+	if (devlist != NULL) {
+		fprintf(stdout, "%s is used by:\n", argv[1]);
+		dlist_for_each_data(devlist, device, struct sysfs_device) 
+			fprintf(stdout, "\t\t%s\n", device->bus_id);
+	} else 
+		fprintf(stdout, "%s is presently not used by any device\n", argv[1]);
+	
+	sysfs_close_driver(driver);
+	free(bus);
+	return 0;
+}
+