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[udev] Add small utility to check for udev paths
Add small utility to check for udev paths that can be used for usb cable insertion/type detection in case usb-moded cannot figure it out. Signed-off-by: Philippe De Swert <philippe.deswert@jollamobile.com>
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/** | ||
@file udev-search.c | ||
This is a basic utility to check for potential | ||
viable paths to use for usb_moded. | ||
This is in case usb_moded can not figure it out for itself. | ||
compile with gcc -o udev-search udev-search.c -ludev | ||
Copyright (C) 2014 Jolla. All rights reserved. | ||
@author: Philippe De Swert <philippe.deswert@jollamobile.com> | ||
This program is free software; you can redistribute it and/or | ||
modify it under the terms of the Lesser GNU General Public License | ||
version 2 as published by the Free Software Foundation. | ||
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 Lesser GNU General Public License | ||
along with this program; if not, write to the Free Software | ||
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA | ||
02110-1301 USA | ||
*/ | ||
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#include <stdio.h> | ||
#include <stdlib.h> | ||
#include <locale.h> | ||
#include <unistd.h> | ||
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#include <poll.h> | ||
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#include <libudev.h> | ||
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void main (void) | ||
{ | ||
struct udev *udev; | ||
struct udev_enumerate *list; | ||
struct udev_list_entry *list_entry, *first_entry; | ||
const char *udev_name; | ||
int ret = 0; | ||
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udev = udev_new(); | ||
list = udev_enumerate_new(udev); | ||
ret = udev_enumerate_add_match_subsystem(list, "power_supply"); | ||
ret = udev_enumerate_scan_devices(list); | ||
if(ret < 0) | ||
{ | ||
printf("List empty\n"); | ||
exit(1); | ||
} | ||
first_entry = udev_enumerate_get_list_entry(list); | ||
udev_list_entry_foreach(list_entry, first_entry) | ||
{ | ||
udev_name = udev_list_entry_get_name(list_entry); | ||
printf("power_supply device name = %s\n", udev_name); | ||
} | ||
exit(0); | ||
} |