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Diffstat (limited to 'sysfsutils/test/get_device.c')
-rw-r--r-- | sysfsutils/test/get_device.c | 58 |
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; +} + |