1 /* vi: set sw=4 ts=4: */
3 * lsusb implementation for busybox
5 * Copyright (C) 2009 Malek Degachi <malek-degachi@laposte.net>
7 * Licensed under GPLv2 or later, see file LICENSE in this source tree.
10 //usage:#define lsusb_trivial_usage NOUSAGE_STR
11 //usage:#define lsusb_full_usage ""
15 static int FAST_FUNC fileAction(
17 struct stat *statbuf UNUSED_PARAM,
18 void *userData UNUSED_PARAM,
19 int depth UNUSED_PARAM)
23 char *busnum = NULL, *devnum = NULL;
24 int product_vid = 0, product_did = 0;
25 char *uevent_filename = concat_path_file(fileName, "/uevent");
27 parser = config_open2(uevent_filename, fopen_for_read);
28 free(uevent_filename);
30 while (config_read(parser, tokens, 4, 2, "\\/=", PARSE_NORMAL)) {
31 if ((parser->lineno == 1) && strcmp(tokens[0], "DEVTYPE") == 0) {
35 if (strcmp(tokens[0], "PRODUCT") == 0) {
36 product_vid = xstrtou(tokens[1], 16);
37 product_did = xstrtou(tokens[2], 16);
41 if (strcmp(tokens[0], "BUSNUM") == 0) {
42 busnum = xstrdup(tokens[1]);
46 if (strcmp(tokens[0], "DEVNUM") == 0) {
47 devnum = xstrdup(tokens[1]);
54 printf("Bus %s Device %s: ID %04x:%04x\n", busnum, devnum, product_vid, product_did);
62 int lsusb_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
63 int lsusb_main(int argc UNUSED_PARAM, char **argv UNUSED_PARAM)
65 /* no options, no getopt */
67 recursive_action("/sys/bus/usb/devices",